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Michael
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49.
Study of bubbling on the housing of the GaAs PA chip in LAr / Jung, DH ; Laskus, H ; Stenzel, H
ATL-LARG-96-049 ; ATL-A-PN-49. - 1996.
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50.
A 16 BIT-40 MHZ readout system based on dual port analog memories for LHC experiments / Ardelean, J ; Augé, E ; Bernier, R ; Bouchel, M ; Breton, D ; Delagnes, E ; Huet, M ; Lavigne, B ; Martin-Chassard, G ; Nikolic, I A et al.
ATL-LARG-96-050 ; ATL-A-PN-50. - 1996.
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51.
Progress report on the ATLAS liquid argon presampler / Hostachy, JY (LPSC, Grenoble ; Joseph Fourier U.)
ATL-LARG-96-051 ; ATL-A-PN-51. - 1996.
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52.
Pollution of liquid argon due to neutron radiation / Martin, P (LPSC, Grenoble ; Joseph Fourier U.)
ATL-LARG-96-052 ; ATL-A-PN-52. - 1996.
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53.
The Concept of the ATLAS Liquid Argon Purity Monitoring System / Adams, M ; Bulchholz, P ; Grams, M ; Hölldorfer, F ; Jakobs, K ; Köpke, L ; Kuhnert, E ; Othegraven, R ; Schué, Yu ; Walkowiak, W
ATL-LARG-96-053 ; ATL-A-PN-53. - 1996.
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54.
Radiation Hardness of GaAs Preamplifiers for Liquid Argon Calorimetry at LHC (ATL-LARG-96-054) / Cheplakov, A P ; Golikov, V ; Golubyh, S M ; Kukhtin, V ; Kulagin, E ; Ladygin, E ; Luschikov, V ; Mehdiyev, R ; Obudovskij, V ; Salihagic, D et al.
ATL-LARG-96-054 ; ATL-A-PN-54. - 1996.
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55.
Effect of Gravitational Sagging over the E.M. Barrel Calorimeter / González, J
ATL-LARG-96-055 ; ATL-A-PN-55. - 1996.
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56.
X-Ray test of drift tubes / Borisov, A ; Goryachev, V N ; Kozhin, A ; Vovenko, A
ATL-MUON-95-069 ; ATL-M-PN-69. - 1995.
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57.
Signal loss extrapolation form pollution measurements done at SARA using an alpha cell to the case of the barrel EM calorimeter / Belymam, A ; Collot, J ; Martin, P
ATL-LARG-96-056 ; ATL-A-PN-56. - 1996.
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58.
Design and development of tungsten-liquid argon modules for the ATLAS forward calorimeter system / Dubeau, J ; Mayer, J K ; Oakham, G K ; O'Neill, M ; Orr, R S ; Stairs, G G
ATL-LARG-96-057 ; ATL-A-PN-57. - 1998.
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59.
Temperature and Electric Field Strength Dependence of Electron Drift Velocity in Liquid Argon / Gonidec, A ; Kalinin, A M ; Potrebenikov, Yu K ; Schinzel, D
ATL-LARG-96-058 ; ATL-A-PN-58. - 1996.
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60.
Further investigations of ringing in the ATLAS end-cap hadronic calorimeter readout / Oram, C J ; Roberts, W ; Wellisch, H P
ATL-LARG-96-059 ; ATL-A-PN-59. - 1996.
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61.
A Four Gain Readout Integrated Circuit: Fric 96_1 / Böhner, G ; Bussat, JM ; Colas, Jacques ; Dzahini, D ; Pouxe, J ; Lecoq, J ; Rossetto, O
ATL-LARG-96-060 ; ATL-A-PN-60. - 1996.
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62.
Study of quantization noise for multi gain systems / Nicoleau, S (Annecy, LAPP)
ATL-LARG-96-061 ; ATL-A-PN-61. - 1996.
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63.
Electromagnetic Wheel Behaviour Dead Load and Thermo-mechanical Effect (Data and finite elements modelization) / Martin, L (Marseille, CPPM)
ATL-LARG-96-062 ; ATL-A-PN-62. - 1996.
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64.
Electromagnetic Wheel Behaviour Dead Load and Thermo-Mechanical Effect (Analysis) / Martin, L (Marseille, CPPM)
ATL-LARG-96-063 ; ATL-A-PN-63. - 1996.
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65.
Electromagnetic Wheel Behaviour Dead Load and Thermo-Mechanical Effect (Annexes) / Martin, L
ATL-LARG-96-064 ; ATL-A-PN-64. - 1996.
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66.
Cabling Scheme for the Hadronic Endcap Calorimeter / Laskus, H ; Oberlack, H ; Schacht, P
ATL-LARG-96-065 ; ATL-A-PN-65. - 1996.
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67.
Muon chamber alignment - a proposal / Blum, W (Munich, Max Planck Inst.)
ATL-MUON-92-007 ; ATL-M-PN-7. - 1992.
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68.
A New Alignment Scheme of the ATLAS Muon Spectrometer / Kroha, H ; Ostapchuk, A Ya
ATL-MUON-95-070 ; ATL-M-PN-70. - 1995.
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69.
Further investigations of ringing in the ATLAS end-cap hadronic calorimeter readout / Oram, C J ; Wellisch, H P ; Roberts, W
ATL-LARG-96-066 ; ATL-A-PN-66. - 1996.
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70.
Energy Sharing in the ATLAS EM Calorimeter / Mansoulié, B ; Simion, S
ATL-LARG-97-067 ; ATL-A-PN-67. - 1997.
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71.
Proposal for Quality Control in the ATLAS End-cap Hadronic Calorimeter / Oram, C J ; Wellisch, H P
ATL-LARG-97-068 ; ATL-A-PN-68. - 1997.
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72.
Lead Thickness Control Systeme for the ATLAS End Cap Production / Leon, LH ; López, G G
ATL-LARG-97-069 ; ATL-A-PN-69. - 1997.
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73.
The electrode test setup developed in Milano: experience with RD3 and ATLAS prototypes / Bonivento, W ; Costa, G ; Mazzanti, M
ATL-LARG-97-070 ; ATL-A-PN-70. - 1997.
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74.
The Data Acquisition System of the Liquid Argon Calorimeter Testbeams 1996 / Bazan, A ; Caprini, M ; Duval, P Y ; Fassnacht, P ; Kozlov, V Yu ; Le Flour, T ; Le Van-Suu, A ; Lund-Jensen, B ; Qian, Z ; Wingerter-Seez, I
ATL-LARG-97-071 ; ATL-A-PN-71. - 1997.
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75.
Analysis of the 1995 liquid argon test beam with a digital readout prototype / Castera, A ; Lacour, D ; Le Dortz, O ; Lund-Jensen, B ; Savoy-Navarro, A ; Vincent, P
ATL-LARG-97-072 ; ATL-A-PN-72. - 1997.
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76.
Determination of losses in HV discharge circuit and measurement of threshold energy to damage BAV99 diodes / Battistoni, G ; Camin, D V ; Fedyakin, N N ; Shuvalov, R S
ATL-LARG-97-073 ; ATL-A-PN-73. - 1997.
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77.
Lead absorber production for the endcap module 0 / López, G G (Madrid, Autonoma U.)
ATL-LARG-97-074 ; ATL-A-PN-74. - 1997.
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78.
Liquid Argon Electromagnetic Calorimeter for ATLAS Absorbers of endcap with constant lead thickness: Thermal expansion coefficient / Romero, P (Madrid, Autonoma U.)
ATL-LARG-97-075 ; ATL-A-PN-75. - 1997.
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79.
Assembly of MDT Chambers / Bensinger, J ; Wellenstein, H
ATL-MUON-95-071 ; ATL-M-PN-71. - 1995.
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80.
Analysis and Results of the measurements of the plate thickness, done at the factory, during the production of the lead for the module 0 of the Barrel and End-Cap ATLAS electromagnetic / Canton, B ; Descotes, G ; Doreste, S ; Imbault, D ; Repain, P ; Schwemling, P
ATL-LARG-97-076 ; ATL-A-PN-76. - 1997.
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81.
A proposal of serial protocol for the LAr calorimeter of ATLAS / Le Dortz, O ; Nayman, P
ATL-LARG-97-077 ; ATL-A-PN-77. - 1997.
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82.
Study of the optimum division of the electromagnetic calorimeter into two samplings at mu > 2.5 / Mirea, A ; Nagy, E ; Tóth, J
ATL-LARG-97-078 ; ATL-A-PN-78. - 1997.
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83.
Development and Performance of a Receiver for an Analogue Optical Link / Coulon, J P ; Go, A ; Lund-Jensen, B ; Pearce, M ; Söderqvist, J
ATL-LARG-97-079 ; ATL-A-PN-79. - 1997.
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84.
Strenghs and weaknesses of digital filtering / Jacquier, Y ; de La Taille, C ; Nikolic, I A ; Serin, L
ATL-LARG-97-080 ; ATL-A-PN-80. - 1997.
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85.
Impact of resistor quality of the readout electrodes on e.m. calorimeter performance / Bonivento, W (Milan U. ; INFN, Milan)
ATL-LARG-97-081 ; ATL-A-PN-81. - 1997.
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86.
Analysis of test beam data taken with OSAM readout system / Augé, E ; Doré, O ; Nikolic, I A ; Romet-Lemonne, G
ATL-LARG-97-082 ; ATL-A-PN-82. - 1997.
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87.
Neutron irradiation of HF BJT and 0-T hybrids / Battistoni, G ; Camin, D V ; Collot, J ; Fedyakin, N N ; Martin, P ; Sala, P
ATL-LARG-97-083 ; ATL-A-PN-83. - 1997.
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89.
Slow control for the ATLAS Hadronic End-Cap Calorimeter Test Beam Experiment / Braun, H M ; Los, S ; Sytnik, V V
ATL-LARG-97-085 ; ATL-A-PN-85. - 1997.
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90.
Studies of Electromagnetic Debris Associated with a High Energy Muon Passing Through Matter / Korytov, A ; Osborne, LS ; McNeil, RR
ATL-MUON-95-072 ; ATL-M-PN-72. - 1995.
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91.
Electronic Calibration for the ATLAS Forward Calorimeter / Babukhadia, L R ; Loch, P
ATL-LARG-97-086 ; ATL-A-PN-86. - 1997.
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92.
On the Stability of 0-T Preamplifier / Battistoni, G ; Camin, D V ; Fedyakin, N N ; Ramaioli, P ; Shuvalov, R S
ATL-LARG-97-087 ; ATL-A-PN-87. - 1997.
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93.
Copper-Polyimide Multi-Layer Electrodes for the End-Cap Electromagnetic Calorimeter / Djama, F ; Hervás, L ; Marin, CP
ATL-LARG-98-088 ; ATL-A-PN-88. - 1998.
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94.
A Study of the Sensitivity of the Purity Monitor for the ATLAS Liquid Argon Calorimeters / Hölldorfer, F ; Walkowiak, W
ATL-LARG-98-089 ; ATL-A-PN-89. - 1998.
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95.
Slanted or Straight Electrodes for the Barrel E.M. Presampler / Collot, J ; Hostachy, JY
ATL-LARG-98-090 ; ATL-A-PN-90. - 1998.
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96.
SPAC: Serial Protocol for the Atlas Calorimeter 091 / Bernier, R ; Breton, D ; Cros, P ; Gara, A
ATL-LARG-98-091 ; ATL-A-PN-91. - 1998.
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97.
The LAr Tri-Gain Shaper / Collot, J ; de La Taille, C ; Dzahini, D ; Lugiez, F ; Pascual, J ; Richer, JP ; Teiger, J
ATL-LARG-98-092 ; ATL-A-PN-92. - 1998.
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98.
SPAC: Serial Protocol for the Atlas Calorimeter 093 / Bernier, R ; Breton, D ; Cros, P ; Gara, A
ATL-LARG-98-093 ; ATL-A-PN-93. - 1998.
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99.
Neutron and Gamma Irradiation Studies of Candidate Components for LArg Front-end Optical Links / Andrieux, M L ; Dinkespiler, B ; Lundqvist, J M ; Martin, O ; Patti, A ; Pearce, M
ATL-LARG-98-094 ; ATL-A-PN-94. - 1998.
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100.
Electron and Pion Test Beam data Analysis of the Hadronic Endcap Prototype Calorimeter / Grubmeier, I ; Jakobs, K ; Marschalkowski, E ; Walkowiak, W
ATL-LARG-98-095 ; ATL-A-PN-95. - 1998.
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101.
Muon flux measurements in the SPS test beam area H8 / Cattaneo, Paolo Walter ; Drakoulakos, D G ; Polesello, G ; Pontecorvo, L
ATL-MUON-95-073 ; ATL-M-PN-73. - 1995.
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102.
Analysis of Electron and Pion Test Beam Data of the Hadronic Endcap Calorimeter / Grubmeier, I ; Jakobs, K ; Marschalkowski, E ; Walkowiak, W
ATL-LARG-98-096 ; ATL-A-PN-96. - 1998.
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103.
Energy Resolution of the HEC Prototype from the Pion'96 Data / Cheplakov, A P ; Gogiberidze, G L ; Grigalashvili, T S ; Kakurin, S ; Kazarinov, M ; Kukhtin, V ; Ladygin, E ; Lazarev, A B ; Mehdiyev, R ; Metreveli, Z V et al.
ATL-LARG-98-097 ; ATL-A-PN-97. - 1998.
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104.
Energy Signal 0 Modulation in the Liquid Argon Electromagnetic Calorimeter / López, G G (Madrid, Autonoma U.)
ATL-LARG-98-098 ; ATL-A-PN-98. - 1998.
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105.
Non-uniformity of lead plates and gaps: Analytical estimates of the shower averaging effect / Mansoulié, B (DAPNIA, Saclay)
ATL-LARG-98-099 ; ATL-A-PN-99. - 1998.
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106.
Search for Higgs decay into photons with EAGLE. Add. 1 Addendum on the Higgs search with photons. Add. 2 (final?) update on Higgs decay to photons / Fayard, Louis ; Unal, G
ATL-PHYS-92-001 ; ATL-GE-PN-1. - 1992.
phys-92-001-Add1 - phys-92-001-Add1 - phys-92-001-Add2 - phys-92-001-Note
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107.
Forward jet tagging in heavy higgs production at the LHC / Zmushko, V V (Serpukhov, IHEP)
ATL-PHYS-92-002 ; ATL-GE-PN-2. - 1992.
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108.
Identification and charged Higgs search / Battistoni, G ; Cavalli, D ; Cozzi, L ; Perini, L
ATL-PHYS-92-003 ; ATL-GE-PN-3. - 1992.
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109.
B-tagging in the SUSY search / Fuglesang, C (Siegbahn Inst. Phys., Stockholm)
ATL-PHYS-92-004 ; ATL-GE-PN-4. - 1992.
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110.
Prospects for Higgs search with Taus in the MSSM / Cavalli, D ; Cozzi, L ; Perini, L ; Unal, G
ATL-PHYS-92-005 ; ATL-GE-PN-5. - 1992.
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111.
B-tagging for top mass measurement / Froidevaux, D ; Gadomski, S ; Turala, M
ATL-PHYS-92-006 ; ATL-GE-PN-6. - 1992.
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112.
Impact of shortening the End Cap Toroid on the muon momentum resolution / Chevalier, L ; Kozanecki, Witold
ATL-MUON-95-074 ; ATL-M-PN-74. - 1995.
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113.
MC simulation of backgrounds to the H -> ZZ -> llnunu signal at the LHC / Artamonov, A V ; Gorbunov, P ; Khovanskii, V D ; Kruchinin, S P ; Maslennikov, A L ; Zuckerman, I
ATL-PHYS-92-007 ; ATL-GE-PN-7. - 1992.
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114.
Study of H -> WW -> lnjj and H -> ZZ -> lljj decays for mH = 1 TeV / Erdogan, A ; Froidevaux, D ; Klioukhine, S ; Zmushko, S V
ATL-PHYS-92-008 ; ATL-GE-PN-8. - 1992.
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115.
Measurement of CP-violation in B-decays with the ATLAS experiment / Eerola, Paule Anna Mari (CERN)
ATL-PHYS-92-009 ; ATL-GE-PN-9. - 1992.
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116.
Detection of the Z' vector boson in the jet decay mode (Z' -> q qbar) (q) -> jj). Resolution and pile-up studies / Henriques, A ; Poggioli, Luc
ATL-PHYS-92-010 ; ATL-GE-PN-10. - 1992.
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117.
Standalone muon performance for intermediate mass Higgs - Add. 1: Update of results on intermediate mass Higgs / Saint-Denis, R
ATL-PHYS-92-011 ; ATL-GE-PN-11. - 1992.
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118.
4-Lepton Signature in Gluino Pair Production / Shuvalov, S M (Moscow, ITEP)
ATL-PHYS-92-012 ; ATL-GE-PN-12. - 1992.
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119.
Summary of Physics Comparisons for Various Toroid Options / Froidevaux, D ; Saint-Denis, R
ATL-PHYS-92-013 ; ATL-GE-PN-13. - 1992.
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120.
Search for gluino pair production through their cascade decay into same sign dileptons / Kawagoe, K ; Komamiya, S
ATL-PHYS-93-014 ; ATL-GE-PN-14. - 1993.
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121.
Calibrating the electromagnetic calorimeter using 20 -> e+e- events / Amorim, A ; Poggioli, Luc ; Maio, A
ATL-PHYS-93-015 ; ATL-GE-PN-15. - 1993.
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122.
Search for Gluino pair production in the ETmiss + jets channel / Polesello, P (INFN, Pavia)
ATL-PHYS-93-016 ; ATL-GE-PN-16. - 1993.
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123.
An Assembly Procedure for Drift Tube Chambers / Bromberg, C ; Hutson, J M ; Miller, R ; Richards, R
ATL-MUON-95-075 ; ATL-M-PN-75. - 1995.
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124.
Electron isolation with ATLAS / Chollet, J-C ; Froidevaux, D ; Nessi, Marzio ; Poggioli, Luc
ATL-PHYS-93-017 ; ATL-GE-PN-17. - 1993.
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125.
Full simulation study of H -> 4 mu using the inner tracking / Malgeri, L ; Nessi, Marzio
ATL-PHYS-93-018 ; ATL-GE-PN-18. - 1993.
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126.
Update on latest particle level simulations for H -> ZZ* -> 4l / Chollet, J-C ; Froidevaux, D ; Gadomski, S ; Serin, L
ATL-PHYS-93-019 ; ATL-GE-PN-19. - 1993.
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127.
Light Higgs boson production in cascade decays of gluino / Didenko, L ; Fuglesang, C ; Lund-Jensen, B
ATL-PHYS-93-020 ; ATL-GE-PN-20. - 1993.
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128.
Prospects for Detecting Singly-produced Scalar Leptoquark with the ATLAS Detector / Tsesmelis, E (CERN)
ATL-PHYS-93-021 ; ATL-GE-PN-21. - 1993.
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129.
B0d Hd -> J/Psi K0 mu X reaction: rates, dilution factor and the error on sin*(2fi) as a function of trigger pt threshold / Smizanska, M ; Hrivnác, J
ATL-PHYS-93-022 ; ATL-GE-PN-22. - 1993.
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130.
Intermediate mass Higgs search using impact parameter technique / Guyot, C
ATL-PHYS-93-023 ; ATL-GE-PN-23. - 1993.
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131.
Implication of top decay models and b quark fragmentation on estimate of the ttbar and Z bbbar background to H -> 4 leptons / Fayard, Louis ; Serin, L
ATL-PHYS-93-024 ; ATL-GE-PN-24. - 1993.
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132.
Ao and Ho -> tau tau : full simulation / Cavalli, D ; Cozzi, L ; Perini, L ; Pronesti, P
ATL-PHYS-93-025 ; ATL-GE-PN-25. - 1993.
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133.
Study of Scalar leptoquark pair production at LHC / D'Avella, A (Milan U. ; INFN, Milan)
ATL-PHYS-93-026 ; ATL-GE-PN-26. - 1993.
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134.
Results of wire vibration test for 6 meters long drift tube / Borisov, A ; Gushin, V ; Kozhin, A ; Tchernichenko, S
ATL-MUON-95-076 ; ATL-M-PN-76. - 1995.
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135.
Hard bremsstrahlung photons in the ttbar production and decay- background to the intermediate Higgs search / Richter-Was, Elzbieta (CERN ; Jagiellonian U.)
ATL-PHYS-93-027 ; ATL-GE-PN-27. - 1993.
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136.
Systematic error on top mass measurement using the dilepton mass method / Fayard, Louis ; Mekki, A
ATL-PHYS-93-028 ; ATL-GE-PN-28. - 1993.
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137.
Further Studies in Detecting Singly-produced Scalar leptoquarks with the ATLAS Detector / Tsesmelis, E (CERN)
ATL-PHYS-93-029 ; ATL-GE-PN-29. - 1993.
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138.
On a possibility to extract a signal from heavy gluino cascade decays via isolated muon detection at the LHC energies / Klyukhin, V.I. (SINP, Moscow) ; Neushkin, A.A. (Serpukhov, IHEP) ; Sokolov, A.A. (Serpukhov, IHEP)
800 GeV gluino pair production is simulated using ISASUSY 1.1 MC-program. [...]
arXiv:1701.08889 ; ATLAS-INTERNAL-NOTE-PHYS-NO-30 ; ATL-PHYS-93-030 ; ATL-GE-PN-30. - 1993. - 21 p.
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139.
Hard bremsstrahlung photons in the ttbar production and decay: a background for the intermediate Higgs search / Richter-Was, Elzbieta (CERN ; Jagiellonian U.)
ATL-PHYS-93-031 ; ATL-GE-PN-31. - 1993.
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140.
Tau Jets Identification using an Artificial Neural Network / Cavalli, D ; Cozzi, L ; Pronesti, P
ATL-PHYS-93-032 ; ATL-GE-PN-32. - 1993.
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141.
Observation of Like-Sign W boson Pairs at LHC - Add.1: meme Titre le 06-04-1995 / Azuelos, Georges ; Leroy, C ; Tafirout, R
ATL-PHYS-93-033 ; ATL-GE-PN-33. - 1993.
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142.
Hard photon bremsstrahlung in the process pp-Zo/gamma*-l+l- : a background for the intermediate mass Higgs / Richter-Was, Elzbieta (CERN ; Jagiellonian U.)
ATL-PHYS-94-034 ; ATL-GE-PN-34. - 1994.
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143.
Charged Higgs boson production in cascade decays of squarks / Didenko, L ; Lund-Jensen, B
ATL-PHYS-94-035 ; ATL-GE-PN-35. - 1994.
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144.
Feasibility of Beauty Baryon Polarization Measurement in Lambda0 J/Psi decay channel by ATLAS-LHC / Hrivnác, J ; Lednicky, R ; Smizanska, M
ATL-PHYS-94-036 ; ATL-GE-PN-36. - 1994.
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145.
An influence of the barrel toroid coil displacements to the intercoil sector magnetic field behaviour / Klioukhine, V I ; Klochkov, B I
ATL-MUON-95-077 ; ATL-M-PN-77. - 1995.
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146.
Study of systematic errors associated with mtop, using the single lepton channel decay of t -> Wb / Andell, N
ATL-PHYS-94-037 ; ATL-GE-PN-37. - 1994.
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147.
Searching for quark-lepton compositeness at LHC / Katsoufis, E C (Natl. Tech. U., Athens)
ATL-PHYS-94-038 ; ATL-GE-PN-38. - 1994.
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148.
B 0S mixing measurement in ATLAS / Eerola, Paule Anna Mari ; Gadomski, S ; Murray, B
ATL-PHYS-94-039 ; ATL-GE-PN-39. - 1994.
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149.
The systematic biases from the structure functions and energy scale parametrization in the case of ttbar, Z0, W and H production in pp collisions / Richter-Was, Elzbieta (CERN ; Jagiellonian U.)
ATL-PHYS-94-040 ; ATL-GE-PN-40. - 1994.
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150.
B Physics in ATLAS (ATL-PHYS-94-041) / Eerola, Paule Anna Mari ; Ellis, Nick ; Gadomski, S ; Gavrilenko, I ; Mir, L M ; Murray, W ; Sanchis-Lozano, MA ; Sherwood, P ; Smizanska, M
ATL-PHYS-94-041 ; ATL-GE-PN-41. - 1994.
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151.
B-tagging of light Higgs Boson in cascade decays of gluino / Didenko, L ; BLund-Jensen ; Lund-Jensen, B
ATL-PHYS-94-042 ; ATL-GE-PN-42. - 1994.
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152.
Is the channel H -> bbbar observable at LHC ? / Froidevaux, D ; Richter-Was, Elzbieta
ATL-PHYS-94-043 ; ATL-GE-PN-43. - 1994.
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153.
On possibility of luminosity measurement in ATLAS using the process pp -> pp + e+e- / Telnov, Valery I (Novosibirsk, IYF)
ATL-PHYS-94-044 ; ATL-GE-PN-44. - 1994.
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154.
Purely Muonic Decays of B-mesons / Melikhov, D ; Rizatdinova, F K ; Sivoklokov, S Yu ; Smirnova, L
ATL-PHYS-94-045 ; ATL-GE-PN-45. - 1994.
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155.
ATLAS sensitivity to CP violation in the channels B0s -> J/Psi phi and B0s -> D+-s K-+ / Cousinou, M C ; Pouit, L
ATL-PHYS-94-046 ; ATL-GE-PN-46. - 1994.
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156.
A Study of the phi Resolution of the ATLAS Muon System / Taylor, FE (MIT, Lincoln Lab)
ATL-MUON-95-078 ; ATL-M-PN-78. - 1995.
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157.
An Evaluation of the Statistical Error on sin 2Beta Using the ATLAS Detector / Eerola, Paule Anna Mari ; Ellis, Nick ; Mir, L M ; Sherwood, P
ATL-PHYS-94-047 ; ATL-GE-PN-47. - 1994.
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158.
Standard Model and Minimal Supersymmetric Standard Model Higgs rates and backgrounds in ATLAS / Cavalli, D ; Cozzi, L ; Froidevaux, D ; Gianotti, F ; Poggioli, Luc ; Richter-Was, Elzbieta
ATL-PHYS-95-048 ; ATL-GE-PN-48. - 1995.
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159.
Tagging of low-pt electrons from b decays with the ATLAS electromagnetic calorimeter / Gianotti, F (CERN ; Milan U.)
ATL-PHYS-95-049 ; ATL-GE-PN-49. - 1995.
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160.
Study of Z+jets background to H -> ZZ -> llnunubar signal using full simulation of ATLAS calorimetry / Bosman, M ; Nessi, Marzio
ATL-PHYS-94-050 ; ATL-GE-PN-50. - 1994.
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161.
Search for A/H -> tautau decays / Cavalli, D ; Cozzi, L ; Perini, L ; Resconi, S
ATL-PHYS-94-051 ; ATL-GE-PN-51. - 1994.
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162.
A -> tautau mass resolution versus calorimeter eta-coverage / Didenko,L ; Lund-Jensen, B
ATL-PHYS-94-052 ; ATL-GE-PN-52. - 1994.
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163.
Search for H+ -> tau nu tau decays / Cavalli, D ; Costa, G ; Cozzi, L ; Paladini, B ; Perini, L
ATL-PHYS-94-053 ; ATL-GE-PN-53. - 1994.
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164.

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165.
Reconstruction of J/psi to electron decay / Gavrilenko, I
ATL-PHYS-94-055 ; ATL-GE-PN-55. - 1994.
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166.
A study of the decay B(0 d) -> pi+ pi- / Camarri, P ; Eerola, Paule Anna Mari ; Gadomski, S ; Nisati, A
ATL-PHYS-94-056 ; ATL-GE-PN-56. - 1994.
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167.
Vibration of Signal Wires in Wire Detectors under Irradiation / Boyko, IR ; Chelkov, G A ; Dodonov, VI ; Ignatenko, M A ; Nikolenko, M
ATL-MUON-95-079 ; ATL-M-PN-79. - 1995.
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168.
Update on the Search for Gluino and Squark Production in the ETmiss + jets Channel / Polesello, G
ATL-PHYS-94-057 ; ATL-GE-PN-57. - 1994.
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169.
Searching for Bc mesons in ATLAS / Albiol, F ; Pérez, R ; Sanchis-Lozano, MA ; Valls, J A
ATL-PHYS-94-058 ; ATL-GE-PN-58. - 1994.
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170.
Search for W' in the lnu channel / Cousinou, M C (Marseille, CPPM)
ATL-PHYS-94-059 ; ATL-GE-PN-59. - 1994.
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171.
Gauge bosons pairs production study with ATLAS / Fouchez, D (Marseille, CPPM)
ATL-PHYS-94-060 ; ATL-GE-PN-60. - 1994.
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172.

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173.
Intermediate mass H->4l: A Particle level and Isolation Study / Hawkings, R (Oxford U.)
ATL-PHYS-95-062 ; ATL-GE-PN-62. - 1995.
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174.
Time-dependent analysis of CP-asymmetries in the B0/d Bbar0/d system / Camarri, P ; Nisati, A
ATL-PHYS-95-063 ; ATL-GE-PN-63. - 1995.
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175.
Comparison of the ATLAS and CMS discovery potential for the H -> gamma gamma channel at the LHC / Froidevaux, D ; Gianotti, F ; Richter-Was, Elzbieta
ATL-PHYS-95-064 ; ATL-GE-PN-64. - 1995.
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176.

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177.
H -> ZZ* -> 4 leptons. A comparison of ATLAS and CMS potentials / Poggioli, Luc (CERN)
ATL-PHYS-95-066 ; ATL-GE-PN-66. - 1995.
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178.
A parameterization of the response function of the air-core toroid muon system / Spiridonov, A A ; Saint-Denis, R
ATL-MUON-92-008 ; ATL-M-PN-8. - 1992.
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179.
Noise Considerations for the ATLAS Muon Front-End Electronics / Blocker, C ; Huth, J ; Oliver, J
ATL-MUON-95-080 ; ATL-M-PN-80. - 1995.
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180.
First Study on the Absolute Energy Calibration of the ATLAS Hadron Calorimeters using Isolated Single Hadrons / Plothow-Besch, H (Clermont-Ferrand U.)
ATL-PHYS-95-067 ; ATL-GE-PN-67. - 1995.
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181.
Higgs-Boson Study at High Mass at the LHC / Boos, EG ; Pokrovskiy, N S ; Zhautykov, B O
ATL-PHYS-95-068 ; ATL-GE-PN-68. - 1995.
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182.
More on Single Top-Quark Production at ATLAS / Ferbel, T (Orsay, LAL ; Rochester U.)
ATL-PHYS-95-069 ; ATL-GE-PN-69. - 1995.
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183.
e/gama-Separation with the Inner Detector Panel Layout / Schuh, S ; Froidevaux, D ; Nevski, P
ATL-PHYS-95-070 ; ATL-GE-PN-70. - 1995.
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184.
Simulation of the Decay Ao -> tau+tau- in the ATLAS Inner Detector / Luthaus, P ; Stavropoulos, G D
ATL-PHYS-95-071 ; ATL-GE-PN-71. - 1995.
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185.
B0s -> D-sa+1 decay channel in the B0s-mixing studies / Bannikov, A.V. (Dubna, JINR) ; Chelkov, G.A. (Dubna, JINR) ; Silagadze, Z.K. (Dubna, JINR)
The usefulness of the $B_s~0 \to D_s~-a_1~+, D_s~- \to \phi \pi~- \to K~+K~-\pi~-, a_1~+ \to \rho~0 \pi~+ \to \pi~+ \pi~- \pi~+$ decay chain is investigated for the $B_s$-reconstruction in the future ATLAS $B_s$-mixing experiment. [...]
hep-ph/9510416 ; JINR-E1-95-444 ; ATLAS-PHYS-72 ; ATL-GE-PN-72. - 1995. - 17 p.
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186.
A study of the use of the decay B**+ -> B0(0) pi+ for B0-Bbar0 tagging in ATLAS / Jonsson, P (Uppsala U.)
ATL-PHYS-95-073 ; ATL-GE-PN-73. - 1995.
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187.
Minimal Supersymmetric Standard Model Higgs rates and backgrounds in ATLAS / Cavalli, D ; Froidevaux, D ; Gianotti, F ; Poggioli, Luc ; Resconi, S ; Richter-Was, Elzbieta
ATL-PHYS-96-074 ; ATL-GE-PN-74. - 1996.
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188.
Final state inner-Bremsstrahling effects on H0 -> ZZ* -> llll channel with ATLAS / Linossier, O ; Poggioli, Luc
ATL-PHYS-95-075 ; ATL-GE-PN-75. - 1995.
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189.
Physics Performance for Various Muon System Configurations / Guyot, C ; Froidevaux, D ; Poggioli, Luc
ATL-PHYS-95-076 ; ATL-GE-PN-76. - 1995.
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190.
MDT Chamber Precision Assembly / Bilokon, H ; Bonini, R ; Capoccia, C ; Ceccarelli, A ; Cerioni, S ; Chiarella, V ; Curatolo, M ; Dulach, B ; Esposito, B ; Maccarrone, G et al.
ATL-MUON-95-081 ; ATL-M-PN-81. - 1995.
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191.
Proposal for Luminosity Measurement at LHC / Piotrzkowski, K (Cracow, INP)
ATL-PHYS-96-077 ; ATL-GE-PN-77. - 1996.
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192.
Study of gamma/jet separation with the ATLAS detector / Gianotti, F ; Vichou, I
ATL-PHYS-96-078 ; ATL-GE-PN-78. - 1996.
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193.
ATLFAST 1.0 A package for particle-level analysis / Froidevaux, D ; Poggioli, Luc ; Richter-Was, Elzbieta
ATL-PHYS-96-079 ; ATL-GE-PN-79. - 1996.
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194.
Missing Transverse Momentum Reconstruction in ATLAS / Cavalli, D (Milan U.)
ATL-PHYS-96-080 ; ATL-GE-PN-80. - 1996.
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195.
B-Physics in ATLAS / Nisati, A (INFN, Rome)
ATL-PHYS-96-081 ; ATL-GE-PN-81. - 1996.
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196.
A study of B-tagging in ATLAS using jet charge techniques / Leinonen, L (Stockholm U.)
ATL-PHYS-96-082 ; ATL-GE-PN-82. - 1996.
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197.
Investigation of rare semimuonic B-decays / Melikhov, D ; Rizatdinova, F K ; Smirnova, L
ATL-PHYS-96-083 ; ATL-GE-PN-83. - 1996.
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198.
VECBOS: a Lowest Order Matrix Element Calculation to simulate direct QCD W + n jet events / Cobal, M ; Costanzo, D ; Lami, S
ATL-PHYS-96-084 ; ATL-GE-PN-84. - 1996.
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199.
Toy Simulation of ATLAS SUSY Points / Paige, FE
ATL-PHYS-96-085 ; ATL-GE-PN-85. - 1996.
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200.
GEANT Hadronic Event Generators: a comparison at the single interaction level / Ferrari, A ; Sala, P R
ATL-PHYS-96-086 ; ATL-GE-PN-86. - 1996.
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201.
Thick Honeycomb Plate as Rigid Supporting Panel RPC Modules / Ammosov, V ; Gapienko, V ; Sviridov, Y ; Suzdalev, V ; Zaetz, V G
ATL-MUON-95-082 ; ATL-M-PN-82. - 1995.
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202.
ATLAS b-tagging performance with low pt electrons / Jagielski, S
ATL-PHYS-96-087 ; ATL-GE-PN-87. - 1996.
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203.
On new possible high energy interactions between fermions and bosons or between bosons, contraints on them from present experiments and from future ATLAS data / Gilewsky, VV ; Satsunkevich, I S
ATL-PHYS-96-088 ; ATL-GE-PN-88. - 1996.
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204.
Second Level TRT Trigger for B-Physics / Smizanska, M (DAPNIA, Saclay)
ATL-PHYS-96-089 ; ATL-GE-PN-89. - 1996.
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205.
The Higgs to Two Photon Decay in the ATLAS Detector UPDATED-Sept. 1996 / Tisserand, V (Orsay, LAL)
ATL-PHYS-96-090 ; ATL-GE-PN-90. - 1996.
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206.
A Search For the Fourth Family Quarks at Hadron Colliders / Arik, E ; Atag, S ; Aydin, Z Z ; Çelikel, A ; Cicek, Z ; Çiftçi, A K ; Mailov, A ; Sultansoy, S F ; Ünel, G
ATL-PHYS-96-091 ; ATL-GE-PN-91. - 1996.
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207.
On new possible high energy interactions between fermions and bosons or between bosons, constraints on them from present experiments and from future ATLAS data / Gilewsky, VV ; Satsunkevich, I S
ATL-PHYS-96-092 ; ATL-GE-PN-92. - 1996.
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208.
Top Physics at LHC / Cobal, M (CERN)
ATL-PHYS-96-093 ; ATL-GE-PN-93. - 1996.
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209.
B-physics potential of ATLAS : and update / Eerola, Paule Anna Mari (CERN)
ATL-PHYS-96-094 ; ATL-GE-PN-94. - 1996.
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210.
ATLAS sensitivity range for the xs measurement / Gadomski, S. (Cracow, INP) ; Eerola, P. (CERN) ; Bannikov, A.V. (Dubna, JINR)
Previous results for the prospects of B_s mixing measurement in the ATLAS experiment at LHC are updated. [...]
hep-ex/9611001 ; HU-SEFT-R-1996-21 ; ATL-GE-PN-95. - 1996. - 17 p.
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211.
H0 -> ZZ* -> 4L channel, in ATLAS -- A complementary study of the ZZ* irreducible background / Linossier, O ; Zitoun, R
ATL-PHYS-96-096 ; ATL-GE-PN-96. - 1996.
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212.
Double Track Resolution of Cathode Strip Chambers / Gratchev, V ; Mohammadi-Baarmand, M ; Polychronakos, V ; Shank, J T ; Tcherniatine, V ; Vaniachine, A
ATL-MUON-95-083 ; ATL-M-PN-83. - 1995.
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213.
Search for right-handed W+- decays in two electrons and two jets with the ATLAS Detector at LHC / Egede, U ; Wielers, M ; Peterson, M
ATL-PHYS-97-097 ; ATL-GE-PN-97. - 1997.
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214.
Detecting Bc mesons in the ATLAS experiment / Egede, U ; Peterson, M
ATL-PHYS-97-098 ; ATL-GE-PN-98. - 1997.
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215.
The search for chargino-neutralino pairs in the trilepton channel. The high luminosity anlaysis / Montarou, G ; Muanza, G S
ATL-PHYS-97-099 ; ATL-GE-PN-99. - 1997.
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216.
Comparison between full simulation and fast simulation of ATLAS detector / Cavalli, D ; Resconi, S
ATL-PHYS-97-100 ; ATL-GE-PN-100. - 1997.
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217.
H to ZZ* to 4 leptons channel, in ATLAS Signal reconstruction and Reducible backgrounds rejection / Linossier, O ; Poggioli, Luc
ATL-PHYS-97-101 ; ATL-GE-PN-101. - 1997.
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218.
1997 ATLAS Jet Production / Dell'Acqua, A ; Froidevaux, D ; Hansl-Kozanecka, Traudl ; O'Neale, S W ; Poulard, G ; Richter-Was, Elzbieta ; Stavrianakou, M
ATL-PHYS-97-102 ; ATL-GE-PN-102. - 1997.
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219.
H -> WW -> lnujj and H -> ZZ -> lljj Particle level studies / Froidevaux, D ; Poggioli, Luc ; Zmushko, S V
ATL-PHYS-97-103 ; ATL-GE-PN-103. - 1997.
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220.
MSSM Higgs searches in multi-b-jet final states / Froidevaux, D ; Richter-Was, Elzbieta
ATL-PHYS-97-104 ; ATL-GE-PN-104. - 1997.
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221.
Primary vertex determination at low and high luminosity and its influence on the significance of the H -> Gamma Gamma decay mode / Egede, U (Lund U.)
ATL-PHYS-97-105 ; ATL-GE-PN-105. - 1997.
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222.
Particle Level Study of W -> qqbar and Jet Algorithms / Bettelli, S ; Bocci, A ; Costanzo, D ; Kuhlmann, S ; Lami, S ; Paoletti, R
ATL-PHYS-97-106 ; ATL-GE-PN-106. - 1997.
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223.
The ATLAS Muon Beam Test Data Acquisition / Hessey, N P (Munich U.)
ATL-MUON-95-084 ; ATL-M-PN-84. - 1995.
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224.
Precision SUSY Measurements with ATLAS: Introduction and Inclusie Measurements / Hinchliffe, Ian ; Paige, FE ; Polesello, G ; Richter-Was, Elzbieta
ATL-PHYS-97-107 ; ATL-GE-PN-107. - 1997.
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225.
Precision SUSY measurements with ATLAS for SUGRA points 1 and 2 / Froidevaux, D ; Richter-Was, Elzbieta ; Söderqvist, J
ATL-PHYS-97-108 ; ATL-GE-PN-108. - 1997.
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226.
Precision SUSY measurements at LHC: Point 3* / Hinchliffe, Ian ; Nagy, E ; Paige, FE ; Shapiro, M D ; Söderqvist, J ; Yao, W
ATL-PHYS-97-109 ; ATL-GE-PN-109. - 1997.
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227.
Precision SUSY measurements with ATLAS: SUGRA "Point 4" / Gianotti, F (CERN ; Milan U.)
ATL-PHYS-97-110 ; ATL-GE-PN-110. - 1997.
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228.
Precision SUSY measurements with ATLAS for SUGRA point 5 / Poggioli, Luc ; Polesello, G ; Richter-Was, Elzbieta ; Söderqvist, J
ATL-PHYS-97-111 ; ATL-GE-PN-111. - 1997.
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229.
Precision SUSY measurements with ATLAS: Extraction of SUGRA model parameters and conclusions. / Froidevaux, D
ATL-PHYS-97-112 ; ATL-GE-PN-112. - 1997.
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230.
The Physics of High Energy Reactions / Ferrari, Alfredo (INFN, Milan) ; Sala, Paola R. (INFN, Milan)
ATL-PHYS-97-113 ; ATL-GE-PN-113. - 1997. - 111 p.
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231.
Study of lepton number violating decay tau -> mu gamma in ATLAS / Serin, L ; Stroynowski, R
ATL-PHYS-97-114 ; ATL-GE-PN-114. - 1997.
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232.
$B_{s}^{0} \to D_{s}^{- }a_{1}^{+} (D_{s}^{-} \to \phi \pi^{-}, D_{s}^{-} \to K^{*0}K^{-})$ decay channel in the ATLAS $B_{s}^{0}$-mixing studies / Bannikov, AV ; Chelkov, G A ; Silagadze, Z K
It is shown, using a track-level simulation, that the use of the $D_s^- \to K^{*0}K^-$ decay channel for $D_s^-$ reconstruction, in additioon with the previously studied $D_s^- \to \phi \pi^-$ mode, enables two fold gain in the ATLAS $B_s^0$-mixing signal statistics through $B_s^0 \to D_s^-a_1$ $B_s^0$-decay channel. [...]
ATL-PHYS-97-115 ; hep-ph/9802434 ; ATL-GE-PN-115 ; E1-98-29 ; JINR-E1-98-29. - 1997. - 23 p.
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233.
Detection Sensitivity for Intermediate Mass Higgs through Final State with the ATLAS Detector / Poggioli, Luc ; Shank, J T ; Sliwa, K ; Taylor, F ; Trefzger, T M ; Zhou, B
ATL-PHYS-98-116 ; ATL-GE-PN-116. - 1998.
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234.
ATLAS Data Challenge 1 / Poulard, Gilbert (CERN)
The ATLAS Collaboration at CERN is preparing for the data taking and analysis at LHC that will start in 2007. [...]
cs/0306052 ; CHEP-2003-MOCT005. - 2003. - 10 p.
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235.
RPC setup in the ATLAS Muon Test area M2 / Dubbert, J ; Hessey, N P ; Pontecorvo, L ; Rosati, S
ATL-MUON-95-085 ; ATL-M-PN-85. - 1995.
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236.
Search for New Physics beyond the Standard Model with the ATLAS Muon Detector / Shank, S (Boston U.)
ATL-PHYS-98-117 ; ATL-GE-PN-117. - 1998.
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237.
Tau-jet separation in ATLAS detector / Cavalli, D ; Resconi, S
ATL-PHYS-98-118 ; ATL-GE-PN-118. - 1998.
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238.
Electron/photon separation / Rousseau, D (CERN)
ATL-PHYS-98-119 ; ATL-GE-PN-119. - 1998.
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239.
The inclusive muon cross-section in ATLAS 120 / Eerola, Paule Anna Mari (Helsinki U.)
ATL-PHYS-98-120 ; ATL-GE-PN-120. - 1998.
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240.
General parameterization of the Gamma Gamma W+W- interactions and its impact on physics at future colliders / Gilewsky, Satsunkevich (Minsk, Inst. Phys.)
ATL-PHYS-98-121 ; ATL-GE-PN-121. - 1998.
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241.
Consequences of Baryonic R-parity Violation for Measurements of SUSY Particles using the ATLAS Detector / Söderqvist, J (Royal Inst. Tech., Stockholm)
ATL-PHYS-98-122 ; ATL-GE-PN-122. - 1998.
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242.
Geometry saving and user input in SLUG / DeWolf, R S ; Nevski, P
ATL-SOFT-93-001 ; ATO-PN-1. - 1993.
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243.
Oh-Oh-Ah-Ah-Rh ... ] Object Oriented Approach for ATLAS Reconstruction / Nevski, P (CERN)
ATL-SOFT-93-002 ; ATO-PN-2. - 1993.
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244.
ATLAS reconstruction banks / Nessi, Marzio ; Nevski, P ; Poulard, G
ATL-SOFT-93-003 ; ATO-PN-3. - 1993.
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245.
An algorithm for ECAL cluster reconstruction / Schwemling, P (Paris U., VI-VII)
ATL-SOFT-93-004 ; ATO-PN-4. - 1993.
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246.
Concepts for the Design and Assembly of forward Region MDT Chambers for ATLAS / Daly, C ; Davisson, R ; Dennis, B ; Guldenmann, H ; Lubatti, H J ; Stark, L
ATL-MUON-95-086 ; ATL-M-PN-86. - 1995.
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247.
Calibration of the Electromagnetic Calorimeter using the Preshower / Mir, L M (Royal Holloway, U. of London)
ATL-SOFT-93-005 ; ATO-PN-5. - 1993.
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248.
Computing in the ATLAS experiment at LHC / Bos, K ; O'Neale, S W
ATL-SOFT-93-006 ; ATO-PN-6. - 1993.
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249.
Fortran Programming Conventions for ATLAS Offline Software / Onions, Christopher J
ATL-SOFT-93-007 ; ATO-PN-7. - 1993.
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250.
Multi-Tape Readout in Slug / Nevski, P (CERN)
ATL-SOFT-94-008 ; ATO-PN-8. - 1994.
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251.
IPATREC: inner detector pattern-recognition and track-fitting / Clifft, R ; Poppleton, A
ATL-SOFT-94-009 ; ATO-PN-9. - 1994.
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252.
ATGEN - Monte-Carlo interface using GENZ / Amorim, A (Lisbon, LIFEP ; Lisbon U., CFNUL)
ATL-SOFT-94-010 ; ATO-PN-10. - 1994.
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253.
DICE Manual Version 0.10 / Dell'Acqua, A
ATL-SOFT-95-011 ; ATO-PN-11. - 1995.
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254.
SLUG Manual - SLUG Interface to GEANT / DeWolf, R S
ATL-SOFT-93-012 ; ATO-PN-12. - 1993.
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255.
GENZ - General Event Handling using Zebra / DeWolf, R S (Cambridge U.)
ATL-SOFT-94-013 ; ATO-PN-13. - 1994.
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256.
DICE-95 / Artamonov, A V ; Dell'Acqua, A ; Froidevaux, D ; Nessi, Marzio ; Nevski, P ; Poulard, G
ATL-SOFT-95-014 ; ATO-PN-14. - 1995.
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257.
Note on Pattern Recognition in the ATLAS Muon Chambers / Krischer, Werner (Chatenay-Malabry, Ecole Centrale)
ATL-MUON-95-087 ; ATL-M-PN-87. - 1995.
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258.
DRAFT ATLAS ATRECON manual (Version 0.015)
ATL-SOFT-94-015 ; ATO-PN-15. - 1994.
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259.
Status of the ATLAS calorimetry simulation for the TP in DICE / Artamonov, A V ; Gianotti, F ; Mansoulié, B ; Nessi, Marzio ; Parrour, G ; Petroff, P ; Tisserand, V
ATL-SOFT-94-016 ; ATO-PN-16. - 1994.
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260.
ATRIG 1.00 ATLAS Trigger Simulation User Guide Revision 0.00 / Baines, J T M ; Carter, J ; Eerola, Paule Anna Mari ; Gianotti, F ; Hansl, T ; Hawkings, R ; Hubbard, D B ; Palamara, O ; Petrera, S ; Sivoklokov, S Yu et al.
ATL-SOFT-94-017 ; ATO-PN-17. - 1994.
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261.
GEANT / DICE Profile / Jarp, S ; Yaari, R
ATL-SOFT-95-018 ; ATO-PN-18. - 1995.
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262.
Implementation of Large Pixel detectors in SLUG/DICE / Luthaus, P ; Pingel, M ; Stavropoulos, G D ; Veselie, M
ATL-SOFT-95-019 ; ATO-PN-19. - 1995.
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263.
AGE Version v1. / Arnault, C (Orsay, LAL)
ATL-SOFT-95-020 ; ATO-PN-20. - 1995.
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264.
Proposal for a discussion on the global software management issues / Arnault, C (Orsay, LAL)
ATL-SOFT-95-021 ; ATO-PN-21. - 1995.
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265.
Applying an Object Oriented Approach to Off-line Reconstruction C++ the LHC / Schaffer, A (Orsay, LAL)
ATL-SOFT-95-022 ; ATO-PN-22. - 1995.
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266.
Towards a Software Development Process for ATLAS / Bos, K ; Fisher, SM
ATL-SOFT-96-023 ; ATO-PN-23. - 1996.
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267.
Improving Inspections / Candlin, R (Edinburgh U.)
ATL-SOFT-96-024 ; ATO-PN-24. - 1996.
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268.
Investigation of the ratio between the streamer and proportional signals in drift tubes / Boyko, IR ; Chelkov, G A ; Dodonov, VI ; Ignatenko, M A ; Nikolenko, M
ATL-MUON-95-088 ; ATL-M-PN-88. - 1995.
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269.
Why ATLAS software should be Object Oriented and written in C++
ATL-SOFT-96-025 ; ATO-PN-25. - 1996.
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270.
An Introduction to the ATLAS Software Process / Candlin, R (Edinburgh U.)
ATL-SOFT-96-026 ; ATO-PN-26. - 1996.
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271.
The ATLAS Software Process / Bos, K ; Candlin, R ; Fisher, SM ; Bos, K
ATL-SOFT-96-027 ; ATO-PN-27. - 1996.
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272.
Benchmarking the Structure of a Raw Data Event / Bos, K ; Tuura, L A ; Bos, K
ATL-SOFT-96-028 ; ATO-PN-28. - 1996.
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273.
C++ coding standards for ATLAS / Fisher, SM ; Tuura, L A
ATL-SOFT-96-029 ; ATO-PN-29. - 1996.
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274.
A Guide to the ATLAS Software Process / Bos, K ; Candlin, R ; Fisher, SM
ATL-SOFT-96-030 ; ATO-PN-30. - 1996.
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275.
Reconstruction and analysis in the ATLAS Inner Detector / Egede, U (Lund U.)
ATL-SOFT-96-031 ; ATO-PN-31. - 1996.
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276.
Matrix element for Dalitz decays in single particle simulation / Egede, U (Lund U.)
ATL-SOFT-96-032 ; ATO-PN-32. - 1996.
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277.
ATGEN 2.0 (ATGEN - Monte-Carlo interface using GENZ / Amorim, A (Lisbon, LIFEP ; Lisbon U., CFNUL)
ATL-SOFT-96-033 ; ATO-PN-33. - 1996.
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278.
ATLAS Software Development Environment
ATL-SOFT-96-034 ; ATO-PN-34. - 1996.
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279.
Ageing of Aluminum Drift Tubes Filled / Boyko, IR ; Chelkov, G A ; Dodonov, VI ; Ignatenko, M A ; Nikolenko, M
ATL-MUON-95-089 ; ATL-M-PN-89. - 1995.
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280.
A Linear Algorithm to Filter and Group 3d Hits of the Discrete Tracking Layers / Drevermann, H ; Kuhn, D ; Nilsson, B S
ATL-SOFT-97-035 ; ATO-PN-35. - 1997.
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281.
Eagle collaboration magnet design data / Baynham, D Elwyn ; Coombs, RC ; Holtom, E
ATL-TECH-92-001 ; ATC-PN-1. - 1992.
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282.
Magnetic field calculations for the EAGLE-A solenoid / Klioukhine, V I (Serpukhov, IHEP)
ATL-TECH-92-002 ; ATC-PN-2. - 1992.
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283.
EAGLE detector layout for simulations towards the L.o.I. / Chwatowski, J ; Dell'Acqua, A ; Froidevaux, D ; Nessi, Marzio
ATL-TECH-92-003 ; ATC-PN-3. - 1992.
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284.
The design and construction of a large iron toroid magnet / Bovard, MH ; Karppinen, M ; Leistam, L ; Vollerin, C ; Wittgenstein, F
ATL-TECH-92-004 ; ATC-PN-4. - 1992.
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285.
End Cap Toroid Design Report / Baynham, D Elwyn ; Coombs, RC ; Holtom, E ; Walters, C R
ATL-TECH-92-005 ; ATC-PN-5. - 1992.
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286.

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287.
Summary of the LHCC-magnet panel-Atlas meeting, Dec.1, 1992 CERN / Pretzl, K (CERN)
ATL-TECH-92-007 ; ATC-PN-7. - 1992.
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288.
Conventional iron end-cap magnets, rail support structure and moving system of the ATLAS superconducting toroidal barrel magnet / Bergsma, F ; Dudragne, N ; Flegel, W
ATL-TECH-93-008 ; ATC-PN-8. - 1993.
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289.
Experimental Area and Installation for the ATLAS Detector Superconducting Air Core Toroid option / Hatch, M ; Schmitt, M
ATL-TECH-93-009 ; ATC-PN-9. - 1993.
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290.
Alignment of muon chambers with Z -> mu+mu- events / Nisati, A
ATL-MUON-92-009 ; ATL-M-PN-9. - 1992.
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291.
Background rates in the Muon system: recent results and the effect of the Tungsten plug / Ferrari, A ; Sala, P R
ATL-MUON-95-090 ; ATL-M-PN-90. - 1995.
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292.
Calculation of three-dimensional magnetic field for ATLAS barrel and end-cap toroids / Boldyrev, E M ; Tkachenko, L M
ATL-TECH-94-010 ; ATC-PN-10. - 1994.
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293.
Style and Notation Guide for the ATLAS Technical Proposal / Einsweiler, K F ; Weidberg, A ; Wotschack, J
ATL-TECH-94-011 ; ATC-PN-11. - 1994.
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294.
Calculation of three-dimensional_magnetic field for ATLAS barrel and end-cap toroids / Boldyrev, E M (Serpukhov, IHEP)
ATL-TECH-94-012 ; ATC-PN-12. - 1994.
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295.
Alignment of the ATLAS detector from inner detector to muon spectrometer / Daum, C
ATL-TECH-94-013 ; ATC-PN-13. - 1994.
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296.
Least square fit and covariance matrix for an octagonal alignment grid for the ATLAS detector . - rev. version / Daum, C
ATL-TECH-95-014 ; ATC-PN-14. - 1995.
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297.
The Modified CERN POISSON Program Package and Its Application to the ATLAS Magnetic System Simulation / Klyukhin, VI ; Klochkov, B I
ATL-TECH-95-015 ; ATC-PN-15. - 1995.
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298.
Comparison of Efficiencies of Neutron Shields Containing Boron and Lithium / Kubasta, J ; Pospísil, S ; Stekl, I ; Vrba, V
ATL-TECH-95-016 ; ATC-PN-16. - 1995.
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299.
Progress Report of the Engineering Data Management System Task Force ATL-TECH-96-017 / Chevalley, J L ; Faber, G ; Flegel, W ; Hervé, A ; Hauviller, Claude ; Klempt, W ; Kuipers, J ; Loos, R ; Nicquevert, B ; Onnela, A et al.
ATL-TECH-96-017 ; ATC-PN-17. - 1996.
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300.
Dimension milestone - Release 0.5 dimensions / Hoffmann, H ; Nicquevert, B
ATL-TECH-96-018 ; ATC-PN-18. - 1996.
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301.
Dimension milestone - Release 0.6.1 of dimensions / Hoffmann, H ; Nicquevert, B
ATL-TECH-96-019 ; ATC-PN-19. - 1996.
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302.
Measurements of 400 Micron Al-Menziken tubes / Flegel, W ; Wotschack, J
ATL-MUON-95-091 ; ATL-M-PN-91. - 1995.
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303.
ATLAS Superconducting Solenoid - CONCEPTUAL DESIGN REPORT / Doi, Y ; Haruyama, T ; Kondo, T ; Makida, Y ; Tanaka, K ; Yamamoto, A
ATL-TECH-96-020 ; ATC-PN-20. - 1996.
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304.
Refrigeration system for the ATLAS Experiment. LHC Project Report / Cragg, D ; Cure, C ; Dauvergne, J P ; Haug, F ; Mayri, C ; Pailler, P ; Passardi, Giorgio
ATL-TECH-96-021 ; ATC-PN-21. - 1996.
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305.
Study of the rail support structure for the Atlas detector / Butin, F ; Paul, R J
ATL-TECH-97-022 ; ATC-PN-22. - 1997.
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306.
Second Progress Report of the Engineering Data Management System Taks Force, 31 January 1997 / De Jonghe, J ; Delamare, Christophe ; Dittus, F ; Faber, G ; Farthouat, Philippe ; Ferran, M ; Hameri, A-P ; Hauviller, Claude ; Høimyr, Nils-Joar ; Kuipers, J et al.
ATL-TECH-97-023 ; ATC-PN-23. - 1997.
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307.
Refrigeration System for the ATLAS Experiment / Cragg, D ; Cure, C ; Dauvergne, J P ; Haug, F ; Mayri, C ; Pailler, P ; Passardi, Giorgio ; Yamamoto, A
ATL-TECH-97-024 ; ATC-PN-24. - 1997.
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308.
Preliminary Design Review of the ATLAS Magnets / Taylor, T
ATL-TECH-97-025 ; ATC-PN-25. - 1997.
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309.
Water Cooled Electronics / Dumont, G ; Righini, B
ATL-TECH-97-026 ; ATC-PN-26. - 1997.
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310.
ATLAS Gas Systems Proposal / Bosman, M (et al.)
ATL-TECH-97-027 ; ATC-PN-27. - 1997.
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311.
Experimental tests of neutron shielding in the ATLAS forward region / Cechák, T ; Dolezal, Z ; Jakubek, J ; Kluson, J ; Konicek, J ; Leroy, C ; Leitner, R ; Lokajícek, M ; Lukhanin, G A ; Némécek, S et al.
ATL-TECH-97-028 ; ATC-PN-28. - 1997.
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312.
Structure ISOGRID appliquee a l'enceinte froide du barrel cryostat d'ATLAS: Calcul de son modele mono-couche equivalent et de son comportement en flambage / Rosier, P
ATL-TECH-97-029 ; ATC-PN-29. - 1997.
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313.
RASNIK Image Processing with a Steepest Ascent / Hashemi, K S ; Bensinger, J
ATL-MUON-95-092 ; ATL-M-PN-92. - 1995.
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314.
Support Structures Systsem Analysis: Results of First Iteration / Butin, F
ATL-TECH-97-030 ; ATC-PN-30. - 1997.
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315.
ATLAS TECH prochain numero / Bachy, Gérard
ATL-TECH-97-031 ; ATC-PN-31. - 1997.
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316.
Remarks on a concept of the ATLAS forward region shielding / Leroy, C (Montreal U.)
ATL-TECH-98-032 ; ATC-PN-32. - 1998.
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317.
Preliminary results on a iron/scintillator TILES hadron calorimeter / Poggioli, Luc (CERN)
ATL-TILECAL-93-001 ; ATL-L-PN-1. - 1993.
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318.
Study of the effect of the radiation on the TileCal barrel hadron calorimeter to be used in ATLAS / Amorim, A (Lisbon U. ; Lisbon, LIFEP) ; David, M (Lisbon U. ; Lisbon, LIFEP) ; Gomes, A (Lisbon U. ; Lisbon, LIFEP) ; Henriques, A (CERN) ; Maio, A (Lisbon U. ; Lisbon, LIFEP)
ATL-TILECAL-93-002 ; ATL-L-PN-2. - 1993.
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319.
Hadron Calorimeter of ATLAS: Conceptual integration project (preliminary) / Surkov, A (Serpukhov, IHEP)
ATL-TILECAL-93-003 ; ATL-L-PN-3. - 1993.
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320.

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321.
Resposa i resolucio d'un prototipus del calorimetre hadronic per al detector ATLAS / Teubert, F
ATL-TILECAL-94-005 ; ATL-L-PN-5. - 1994.
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322.
Preliminary results of the TILECAL hadron calorimeter to be used in the ATLAS experiment / Gomes, A
ATL-TILECAL-94-006 ; ATL-L-PN-6. - 1994.
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323.
Preliminary results on the ATLAS solenoid magnetic field calculations in presence of hadronic tile calorimeter / Klyukhin, VI ; Klochkov, B I
ATL-TILECAL-94-007 ; ATL-L-PN-7. - 1994.
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324.
A Study of U238 in ATLAS Muon Shielding / Sirotenko, V I ; Willis, S
ATL-MUON-95-093 ; ATL-M-PN-93. - 1995.
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325.
Hadron calorimeter of ATLAS 008 / Chernykh, S ; Kostrikov, M E ; Krjakov, N ; Lapin, V ; Ryaboshapko, Y ; Sidorov, V ; Surkov, A ; Surkov, Y ; Trifonov, S ; Vodvud, S et al.
ATL-TILECAL-94-008 ; ATL-L-PN-8. - 1994.
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326.

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327.
Strategy for the transition from Geant3 to Geant4 in ATLAS / Barberis, D ; Polesello, G ; Rimoldi, A
ATL-SOFT-2003-013. - 2003. - 5 p.
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328.
Response of ATLAS Injection Molded Scintillators / Jankowski, D ; Stanek, R
ATL-TILECAL-94-010 ; ATL-L-PN-10. - 1994.
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329.
Preliminary Technical Specifications for the supply of steel for the ATLAS tile hadron calorimeter / Nessi, Marzio (Geneva U.)
ATL-TILECAL-94-011 ; ATL-L-PN-11. - 1994.
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330.
Computer Models for the TILECAL Magnetic Field Distributions / Borisov, O N ; Budagov, Yu A ; Karamysheva, G A ; Lomakina, O V ; Nessi, Marzio ; Vorozhtsov, S B
ATL-TILECAL-94-012 ; ATL-L-PN-12. - 1994.
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331.
Engineering Design Evaluation of ATLAS Tile-Calorimeter / Hill, N ; Guarino, V ; Proudfoot, J ; Stanek, R ; Price, L ; Petereit, E P
ATL-TILECAL-94-013 ; ATL-L-PN-13. - 1994.
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332.
Report on Fabrication of ATLAS Hadron Calorimeter Prototype #5 in Dubna / Budagov, Yu A ; Chirikov-Zorin, I E ; Kolomoets, V ; Lomakin, Yu F ; Romanov, V ; Rusakovitch, N A ; Schelchkov, A ; Topilin, N D
ATL-TILECAL-94-014 ; ATL-L-PN-14. - 1994.
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333.
ATLAS Tile Hadronic Calorimeter. Mechanical Analysis of Barrel Part / Gerwig, H (CERN)
ATL-TILECAL-94-015 ; ATL-L-PN-15. - 1994.
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334.
Tilecal Module Assembly Proposal / Blocki, J ; Bonnet, M ; Cavalli-Sforza, M ; Dudargne, N ; Gildemeister, O ; Miralles, L ; Nessi, Marzio
ATL-TILECAL-94-016 ; ATL-L-PN-16. - 1994.
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335.
Hadron calorimeter of ATLAS 017 / Chernykh, S ; Kostrikov, M E ; Krjakov, N ; Lapin, V ; Ryaboshapko, Y ; Sidorov, V ; Surkov, A ; Surkov, Y ; Trifonov, S ; Vodvud, S et al.
ATL-TILECAL-94-017 ; ATL-L-PN-17. - 1994.
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336.
Measurements of 400 Mu m Metalba tubes / Wotschack, J (CERN)
ATL-MUON-95-094 ; ATL-M-PN-94. - 1995.
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337.
Tilecal Magnetic Field Simulation / Bergsma, F ; Borisov, O N ; Lomakina, O V ; Nessi, Marzio ; Vorozhtsov, S B
ATL-TILECAL-94-018 ; ATL-L-PN-18. - 1994.
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338.
Measurements of light output of TILECAL scintillators and fibres / Leitner, R ; Némécek, S
ATL-TILECAL-94-019 ; ATL-L-PN-19. - 1994.
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339.
Argonne Mechanical Design proposal for the ATLAS Hadron Calorimeter / Hill, NF (CERN)
ATL-TILECAL-94-020 ; ATL-L-PN-20. - 1994.
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340.
TILE Calorimeter Module Assembly. JINR-DUBNA Group Proposal / Topilin, N D ; Romanov, V
ATL-TILECAL-94-021 ; ATL-L-PN-21. - 1994.
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341.
General behaviour of the ATLAS solenoid magnetic field calculated with the modified CERN POISSON package / Klioukhine, V I ; Klochkov, B I
ATL-TILECAL-94-022 ; ATL-L-PN-22. - 1994.
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342.
B-meson tagging improvement using HCAL information / Bosman, M ; Budagov, Yu A ; Chirikov-Zorin, I E ; Nessi, Marzio ; Pantea, A ; Pantea, D ; Pukhov, O
ATL-TILECAL-94-023 ; ATL-L-PN-23. - 1994.
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343.
Measurements of TILECAL scintillators / Amorim, A ; David, M ; Ferreira, P ; Gomes, A ; Maio, A
ATL-TILECAL-94-024 ; ATL-L-PN-24. - 1994.
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344.
Study of molded scintillator radiation hardness / Karyukhin, A N ; Lapin, V ; Zaitsev, A
ATL-TILECAL-94-025 ; ATL-L-PN-25. - 1994.
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345.
Estimation of the magnetic field in PM-cavities and tiles of the ATLAS tile-calorimeter / Bergsman, F ; Bergsma, F
ATL-TILECAL-94-026 ; ATL-L-PN-26. - 1994.
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346.
A Study of the Response Uniformity of the Injection Molded Scintillator Tiles fro the TILECAL Calorimeter / Proudfoot, J
ATL-TILECAL-94-027 ; ATL-L-PN-27. - 1994.
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347.
Autocalibration Performance Study for ALTAS MDT System / Feng, ZY ; Zhao, T
ATL-MUON-95-095 ; ATL-M-PN-95. - 1995.
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348.
Mechanical Tolerances and their Effect on the Assembly of the ATLAS Tile-Cal Hadron Calorimeter / Hill, NF ; Petereit, E P
ATL-TILECAL-94-028 ; ATL-L-PN-28. - 1994.
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349.
Technical Specification for Plate Fabrication for the ATLAS Tile Hadron Calorimeter / Hill, NF (Argonne)
ATL-TILECAL-94-029 ; ATL-L-PN-29. - 1994.
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350.
Technical Specification for Steel for the ATLAS Tile Hadron Calorimeter / Hill, NF (Argonne)
ATL-TILECAL-94-030 ; ATL-L-PN-30. - 1994.
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351.
Stress State Estimations for the Premodule of Tilecal / Blocki, J (CERN)
ATL-TILECAL-94-031 ; ATL-L-PN-31. - 1994.
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352.
Dimensions and Tolerances of the Premodule / Blocki, J (CERN)
ATL-TILECAL-94-032 ; ATL-L-PN-32. - 1994.
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353.
TILECAL Data Acquisition System for the ATLAS Test Beam Experiments / Arsenescu, R (CERN)
ATL-TILECAL-94-033 ; ATL-L-PN-33. - 1994.
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354.
Comparative Measurements of WLS Fibers / David, M ; Jankowski, D ; Gomes, A ; Henriques, A ; Protopopov, Yu ; Maio, A ; Stanek, R
ATL-TILECAL-94-034 ; ATL-L-PN-34. - 1994.
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355.
Support Girder Design for the ATLAS Hadron Calorimeter / Hill, NF ; Guarino, V ; Petereit, E P
ATL-TILECAL-94-035 ; ATL-L-PN-35. - 1994.
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356.
ATLAS Tile Hadron Calorimeter Module Assembly Design / Budagov, Yu A ; Chirikov-Zorin, I E ; Chlachidze, G ; Kolomoets, V ; Kulchitskii, Yu A ; Lebedev, A ; Lomakin, Yu F ; Malyukov, S ; Pantea, D ; Permjakova, L et al.
ATL-TILECAL-94-036 ; ATL-L-PN-36. - 1994.
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357.
ATLAS Tile Hadron Calorimeter Installation Procedure / Krjakov, N ; Lapin, V ; Levin, A ; Orlov, Yu F ; Sidorov, V ; Surkov, A ; Suzdalev, V ; Zaitsev, A
ATL-TILECAL-94-037 ; ATL-L-PN-37. - 1994.
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358.
Geometrical Acceptance Studies for the MDT Muon System in ATLAS / Daly, C ; Dell'Acqua, A ; Rimoldi, A
ATL-MUON-95-096 ; ATL-M-PN-96. - 1995.
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359.
Ponderomotive Force Calculations for the TileCal / Borisov, O N ; Budagov, Yu A ; Nessi, Marzio ; Vorozhtsov, S B
ATL-TILECAL-94-038 ; ATL-L-PN-38. - 1994.
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360.
The Tilecal laser monitoring / Ajaltouni, Ziad J ; Badaud, F ; Bouhemaid, N ; Brette, P ; Brossard, M ; Chadelas, R ; Chevaleyre, JC ; Crouau, M ; Daudon, F ; Dugne, JJ et al.
ATL-TILECAL-94-039 ; ATL-L-PN-39. - 1994.
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361.
The measurements of magnetic field effects on scintillating tiles / Ajaltouni, Ziad J ; Durand, F ; Fayard, C ; Lentignac, G ; Mayade, S ; Nigon, J ; Pozzobon, F ; Sahuc, E ; Saigne, R ; Savinel, G et al.
ATL-TILECAL-94-040 ; ATL-L-PN-40. - 1994.
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362.
The Tilecal 3-in-1 PMT Base concept and the PMT block assembly / Ajaltouni, Ziad J ; Badaud, F ; Bouhemaid, N ; Brette, P ; Brossard, M ; Chadelas, R ; Chevaleyre, J C ; Crouau, M ; Daudon, F ; Dugne, JJ et al.
ATL-TILECAL-94-041 ; ATL-L-PN-41. - 1994.
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363.
The magnetic field studies of the Tilecal PMTs / Ajaltouni, Ziad J ; Badaud, F ; Bouhemaid, N ; Brette, P ; Brossard, M ; Chadelas, R ; Chevaleyre, JC ; Crouau, M ; Daudon, F ; Dugne, JJ et al.
ATL-TILECAL-94-042 ; ATL-L-PN-42. - 1994.
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364.
The drawer system concept for the ATLAS Tilecal readout / Ajaltouni, Ziad J ; Badaud, F ; Bouhemaid, N ; Brette, P ; Brossard, M ; Chadelas, R ; Chevaleyre, JC ; Crouau, M ; Daudon, F ; Dugne, JJ et al.
ATL-TILECAL-94-043 ; ATL-L-PN-43. - 1994.
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365.
Cell Intercalibration and Response Uniformity Studies Using a Movable Cs137 Source in the TILECAL 1994 Prototype / Blanchot, G ; Bosman, M ; Cavalli-Sforza, M ; Efthymiopoulos, I ; Ivanyushenkov, Yu M ; Orteu, S ; Perlas, JA ; Ronceux, B ; Sánchez, F
ATL-TILECAL-94-044 ; ATL-L-PN-44. - 1994.
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366.
Long Term Monitoring of Tilecal Response in ATLAS: Design Considerations / Blanchot, G ; Bosman, M ; Cavalli-Sforza, M ; Efthymiopoulos, I ; Ivanyushenkov, Yu M ; Orteu, S
ATL-TILECAL-94-045 ; ATL-L-PN-45. - 1994.
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367.
Energy calibration of jets in the ATLAS Barrel Calorimeter / Astvatsaturov, A ; Bosman, M ; Budagov, Yu A ; Glagolev, V
ATL-TILECAL-94-046 ; ATL-L-PN-46. - 1994.
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368.
Module Strap Tests and How they Effect the 25 cm Stack Construction / Hill, NF
ATL-TILECAL-95-047 ; ATL-L-PN-47. - 1995.
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369.
Eelctromagnetic Crimping of Aluminum Tubes to Endplugs / Ferbel, T ; Manz, A
ATL-MUON-95-097 ; ATL-M-PN-97. - 1995.
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370.
Measurements of WLS fibres / Di Girolamo, B
ATL-TILECAL-95-048 ; ATL-L-PN-48. - 1995.
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371.
Measurements of new Pol.Hi.Tech. WLS fibres / Di Girolamo, B
ATL-TILECAL-95-049 ; ATL-L-PN-49. - 1995.
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372.
Influence of the TileCal Parameter Modifications on the B-field / Borisov, O N ; Budagov, Yu A ; Lomakina, O V ; Nessi, Marzio ; Vorozhtsov, S B
ATL-TILECAL-95-050 ; ATL-L-PN-50. - 1995.
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373.
Technical Specifications for the supply of steel for the ATLAS tile hadron calorimeter
ATL-TILECAL-95-051 ; ATL-L-PN-51. - 1995.
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374.
ATLAS Barrel Hadron Calorimeter: Module Assembly and Tooling Design Description / Budagov, Yu A ; Kulchitskii, Yu A ; Lebedev, A ; Lomakin, Yu F ; Romanov, V ; Rusakovitch, N A ; Shchelchkov, A S ; Sissakian, A N ; Sorokina, J ; Topilin, N D et al.
ATL-TILECAL-95-052 ; ATL-L-PN-52. - 1995.
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375.
The measurement of energy loss of 150 GeV positive muons in iron with the TILECAL prototype / Leitner, R
ATL-TILECAL-95-053 ; ATL-L-PN-53. - 1995.
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376.
Calculation of the ATLAS magnetic field / Bergsma, F (CERN)
ATL-TILECAL-95-054 ; ATL-L-PN-54. - 1995.
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377.
CERN/LHCC 95-44 LRDB status report RD34, 16 August 1995
ATL-TILECAL-95-055 ; ATL-L-PN-55. - 1995.
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378.
Application of a real-time data processing VME module using a custom high speed I/O multiport board to "ATLAS Tile-Cal Read Out Driver" / González, V ; Sanchis, E
ATL-TILECAL-95-056 ; ATL-L-PN-56. - 1995.
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379.
Several aspects of the WLS fibre measurements. Measurements of spliced fibres / Di Girolamo, B ; Mazzoni, E
ATL-TILECAL-95-057 ; ATL-L-PN-57. - 1995.
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380.
Criteria for the Choice of the MDT Operating Point
ATL-MUON-95-098 ; ATL-M-PN-98. - 1995.
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381.
Contribution to the ATLAS B-field 3D Model / Titkova, I V ; Vorozhtsov, S B
ATL-TILECAL-95-058 ; ATL-L-PN-58. - 1995.
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382.
Magnetic Property Measurements of Steel for TileCal / Fedorenko, S B ; Kalinichenko, V V
ATL-TILECAL-95-059 ; ATL-L-PN-59. - 1995.
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383.
Improvement in pi/mu separation at low pT in ATLAS hadron calorimeter using artificial neural networks technique (Updated 13 October 1995) / Astvatsaturov, A ; Bosman, M ; Budagov, Yu A ; Chirikov-Zorin, I E ; Nessi, Marzio ; Pantea, D ; Paplevka, A ; Shigaev, V N ; Sushkov, S
ATL-TILECAL-95-060 ; ATL-L-PN-60. - 1995.
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384.
Charge Collection Time from Scope Data Acquisition / Galvez-Durand, F ; Marroquim, F ; Seixas, J M
ATL-TILECAL-95-061 ; ATL-L-PN-61. - 1995.
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385.
Low pT Muons in B-jets in ATLAS Tilecal / Bosman, M ; Budagov, Yu A ; Nessi, Marzio ; Pantea, D
ATL-TILECAL-95-062 ; ATL-L-PN-62. - 1995.
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386.
Scintillator detector "Mu-wall" for measurement of charged particles leakage from the TILECAL prototype / Davidek, T ; Dolezal, Z ; Leitner, R ; Lokajícek, M ; Némécek, S ; Suk, M ; Tas, P
ATL-TILECAL-95-063 ; ATL-L-PN-63. - 1995.
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387.
Measurement of pion showers longitudinal leakage in the TILECAL prototype / Davidek, T ; Dolezal, Z ; Leitner, R ; Lokajícek, M ; Némécek, S ; Suk, M ; Tas, P
ATL-TILECAL-95-064 ; ATL-L-PN-64. - 1995.
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388.
Measurements of scintillating tiles / Di Girolamo, B ; Mazzoni, E
ATL-TILECAL-95-065 ; ATL-L-PN-65. - 1995.
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389.
An Optical Model for the Prototype Module Performance from Bench Measurements of Components and the Test Module Response to Muons / Proudfoot, J ; Stanek, R
ATL-TILECAL-95-066 ; ATL-L-PN-66. - 1995.
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390.
Analysis results of the first combined test of the LArgon and TILECAL barrel calorimeter prototyptes / Cavalli-Sforza, M ; Cobal, M ; Costanzo, D ; Di Girolamo, B (CERN) ; Efthymiopoulos, I ; Gomes, A ; Henriques, A ; Lund-Jensen, B ; Mazzoni, E ; Némécek, S et al.
ATL-TILECAL-95-067 ; ATL-L-PN-67. - 1995.
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391.
Measurement of Dimensions of 2.2 - Meter Menziken Tubes / Ferbel, T ; Manz, A
ATL-MUON-95-099 ; ATL-M-PN-99. - 1995.
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392.
The Muon energy losses in the Tile calorimeter / Henriques, A ; Karapetian, G V ; Solodkov, A
ATL-TILECAL-95-068 ; ATL-L-PN-68. - 1995.
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393.
Analysis of the hadronic performance of the TILECAL prototype calorimeter and comparison with Monte Carlo / Juste, A
ATL-TILECAL-95-069 ; ATL-L-PN-69. - 1995.
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394.
First Study on the Angular Resolution of Hadronic Showers with the Combined LAr and Tile Calorimeters / Plothow-Besch, H (Clermont-Ferrand U.)
ATL-TILECAL-95-070 ; ATL-L-PN-70. - 1995.
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395.
Effect of the Tile Calorimeter thickness in the ATLAS Barrel Calorimeter Performance / Bosman, M (et al.)
ATL-TILECAL-95-071 ; ATL-L-PN-71. - 1995.
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396.
Electron Response and e/h Ratio of ATLAS Iron-Scintillator Hadron Prototype Calorimeter with longitudinal Tile Configuration / Kulchitsky, Y.A. (Minsk, Inst. Phys. ; Dubna, JINR) ; Budagov, J.A. (Dubna, JINR) ; Vinogradov, V.B. (Dubna, JINR) ; Nessi, M. (CERN) ; Bogush, A.A. (Minsk, Inst. Phys.) ; Arkadov, V.V. (Moscow Phys. Eng. Inst. ; Dubna, JINR) ; Karapetian, G.V. (Yerevan Phys. Inst. ; CERN)
The detailed information about electron response, electron energy resolution and e/h ratio as a function of incident energy E, impact point Z and incidence angle $\Theta$ of iron-scintillator hadron prototype calorimeter with longitudinal tile configuration is presented. [...]
hep-ex/9903050 ; JINR-E1-95-513A ; ATL-L-PN-72. - 1996. - 16 p.
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397.
Numerical Calculation of the Sampling Variation Intrinsic to the TileCal Scintillator Geometry / Padilla, C ; Proudfoot, J
ATL-TILECAL-96-073 ; ATL-L-PN-73. - 1996.
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398.
Absorber Plates Precision Laser Cutting for ATLAS Hadron Barrel Calorimeter 0-module / Alikov, B A ; Artykov, A ; Budagov, Yu A ; Kochkin, A ; Kulchitskii, Yu A ; Lebedev, A ; Liablin, M V ; Lomakin, Yu F ; Lozovoy, A ; Romanov, V et al.
ATL-TILECAL-96-074 ; ATL-L-PN-74. - 1996.
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399.
H1-inspired analysis of the 1994 combined test of the Liquid Argon and Tilecal calorimeter prototypes / Casado, M P ; Cavalli-Sforza, M
ATL-TILECAL-96-075 ; ATL-L-PN-75. - 1996.
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400.
Experimental Study of the Effect of Hadron Shower Leakage on the Energy Response and Resolution of ATLAS Hadron Barrel Prototype Calorimeter / Bogush, A A ; Budagov, Yu A ; Karapetian, G V ; Kulchitskii, Yu A ; Nessi, Marzio ; Rumyantsev, V S ; Vinogradov, V B
ATL-TILECAL-96-076 ; ATL-L-PN-76. - 1996.
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401.
Identification of b-jets with a low pT muon using ATLAS Tile Calorimeter simulation data and artivicila neural networks technique / Astvatsaturov, A ; Bosman, M ; Budagov, Yu A ; Nessi, Marzio ; Pantea, D ; Shigaev, V N
ATL-TILECAL-96-077 ; ATL-L-PN-77. - 1996.
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402.
Optimization of the EAGLE muon system based on a Fe-Toroid combined with a central solenoid / Goerlach, U (CERN)
ATL-MUON-91-001 ; ATL-M-PN-1. - 1991.
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403.
Momentum construction of muon from b-decay in the air-core toroid muon system / Spiridonov, A A (Serpukhov, IHEP)
ATL-MUON-92-010 ; ATL-M-PN-10. - 1992.
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404.
In-Plane Alignment Design for the Forward MDT Prototype / Bensinger, J ; Hashemi, K S ; Wellenstein, A ; Wellenstein, H
ATL-MUON-95-100 ; ATL-M-PN-100. - 1995.
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405.
Low Dose rate effects in scintillating and WLS fibers by ionizing radiation / Moura-David, M J (Lisbon U.)
ATL-TILECAL-96-078 ; ATL-L-PN-78. - 1996.
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406.
High Voltage Source For the TILECAL Hadron Calorimeter of the ATLAS Detector / Chadelas, R ; Crouau, M ; Hanak, I ; Hruska, I ; Leitner, R ; Lokajícek, M ; Montarou, G ; Némécek, S ; Suk, M ; Valkár, S et al.
ATL-TILECAL-96-079 ; ATL-L-PN-79. - 1996.
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407.
Phi-scan with pions and muons - Analysis of TILECAL test beam data / Amaral, P ; Carvalho, J ; Colaço, F ; Gomes, A ; Henriques, A ; Maio, A ; Onofre, A ; Wolters, H
ATL-TILECAL-96-080 ; ATL-L-PN-80. - 1996.
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408.
Measurements of Some Optical Properties of the Tiles for Module 0 / Cobal, M ; Lapin, V ; Nessi, Marzio ; Shooltz, D
ATL-TILECAL-96-081 ; ATL-L-PN-81. - 1996.
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409.
A Charge Injection System for the TileCal CAEN ADCs / Dawson, J ; Efthymiopoulos, I ; Haberichter, B ; Perlas, J-A ; Rios, A ; Schlereth, J L (Argonne Nat Lab Argonne) ; Stanek, B
ATL-TILECAL-96-082 ; ATL-L-PN-82. - 1996.
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410.
Results of test linearity of 10-stages and 8-stages R5900 PMTS / Crouau, M ; Garnier, E ; Montarou, G
ATL-TILECAL-96-083 ; ATL-L-PN-83. - 1996.
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411.
Dose rate effects in WLS fibers / David, M ; Gomes, A ; Maio, A
ATL-TILECAL-96-084 ; ATL-L-PN-84. - 1996.
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412.
An overview of the ATLAS TILECAL hadronic calorimeter / Di Girolamo, B (Pisa U. ; INFN, Pisa)
ATL-TILECAL-96-085 ; ATL-L-PN-85. - 1997. - 8 p.
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413.
Injection modling scintillator for ATLAS Tile calorimeter / Karyukhin, A N ; Kopikov, S V ; Kostrikov, M E ; Lapin, V ; Zaitsev, A
ATL-TILECAL-96-086 ; ATL-L-PN-86. - 1996.
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414.
Manipulation tool for TILECAL submodules / Dolejsi, J ; Palacky, J ; Tas, P
ATL-TILECAL-96-087 ; ATL-L-PN-87. - 1996.
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415.
Initial Finite Element Analysis of a Barrel Inner Large Muon Chamber for ATLAS. Part 1. / Baliev, L (Serpukhov, IHEP)
ATL-MUON-95-101 ; ATL-M-PN-101. - 1995.
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416.
The First Three TILECAL Submodule Assembly in Prague / Davidek, T ; Dolejsi, J ; Dolezal, Z ; Hruska, I ; Leitner, R ; Lokajícek, M ; Némécek, S ; Soustruznik, K ; Suk, M ; Tas, P et al.
ATL-TILECAL-96-088 ; ATL-L-PN-88. - 1996.
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417.
Test of Module 0 fibres / Del Prete, T ; Di Girolamo, B ; Mazzoni, E
ATL-TILECAL-96-089 ; ATL-L-PN-89. - 1996.
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418.
Auxiliary Technology Equipment Calorimeter Module and Submodule Manipulations and the Quality Control of the Assembled Module / Budagov, Yu A ; Kulchitskii, Yu A ; Lebedev, A ; Lomakin, Yu F ; Romanov, V ; Rusakovitch, N A ; Shchelchkov, A S ; Sissakian, A N ; Sorokina, J ; Topilin, N D
ATL-TILECAL-96-090 ; ATL-L-PN-90. - 1996.
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419.
Single vs. Double Clad Fibres (MonteCarlo Simulation / Costanzo, D ; Del Prete, T
ATL-TILECAL-96-091 ; ATL-L-PN-91. - 1996.
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420.
Comparison between the ATLAS/TileCal hadron barrel calorimeter prototype test beam data and Hadronic Simulation packages / Efthymiopoulos, I (CERN)
ATL-TILECAL-96-092 ; ATL-L-PN-92. - 1996.
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421.
Optical fibre connectors for the laser calibration system / Aitamar, K ; Carvalho, J ; Moita, F ; Onofre, A ; Perpetua, N ; Pinhão, J ; Uva, S
ATL-TILECAL-96-093 ; ATL-L-PN-93. - 1996.
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422.
ATLAS Barrel Hadron Calorimeter 0-Module Assembly technology / Brunel, B ; Budagov, Yu A ; Charra, P ; Fetter, J ; Kulchitskii, Yu A ; Lebedev, A ; Lomakin, Yu F ; Miralles, L ; Necsoiu, T ; Nessi, Marzio et al.
ATL-TILECAL-96-094 ; ATL-L-PN-94. - 1996.
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423.
Systematics of WLS Fibers with UV absorber / David, M ; Gomes, A ; Maio, A
ATL-TILECAL-96-095 ; ATL-L-PN-95. - 1996.
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424.
State of art of (green) wavelengthshifting fibers / Maio, A. (LIP, Lisbon ; Lisbon U.) ; David, M. (LIP, Lisbon ; Lisbon U.) ; Gomes, A. (LIP, Lisbon ; Lisbon U.) ; Henriques, A. (CERN)
ATL-TILECAL-96-096 ; ATL-L-PN-96. - 1997. - 6 p.
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425.
Characterization of the new R5900 Hamamatsu photomultiplier in Pisa / Beschastnov, P ; Cavasinni, V ; Cologna, S ; Del Prete, T ; Di Girolamo, B ; Mazzoni, E
ATL-TILECAL-96-097 ; ATL-L-PN-97. - 1996.
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426.
A Study of gas mixtures for ATLAS MDT / Zhao, T ; He, L
ATL-MUON-95-102 ; ATL-M-PN-102. - 1995.
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427.
The Procurement of the steel absorber for the TILECAL barrel module 0 / Chapuis, J-M ; Davidek, T ; Dolezal, Z ; Leitner, R ; Nessi, Marzio ; Palacky, J ; Sodomka, J ; Soustruznik, K ; Suk, M ; Tas, P et al.
ATL-TILECAL-96-098 ; ATL-L-PN-98. - 1996.
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428.
Energy Leakage Measurement in TILECAL using the Scintillating Detectors MuWalls / Davidek, T ; Leitner, R ; Némécek, S
ATL-TILECAL-96-099 ; ATL-L-PN-99. - 1996.
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429.
The Combined Monitoring Program for Test Beam Data Analysis (version 2.00) / Efthymiopoulos, I ; Lund-Jensen, B ; Solodkov, A ; Vichou, I
ATL-TILECAL-96-100 ; ATL-L-PN-100. - 1996.
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430.
The TILECAL Program for Test Beam Data Analysis - User Manual (Version 3.01) / Efthymiopoulos, I ; Solodkov, A
ATL-TILECAL-96-101 ; ATL-L-PN-101. - 1996.
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431.
Title unknown, ATL-TILECAL-96-102 / Nessi, Marzio
ATL-TILECAL-96-102 ; ATL-L-PN-102. - 1996.
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432.
Muon Walls Setup in the Tilecal Module 0 Beam Test (August - September 1996) / Bromberg,C ; Davidek,T ; Gallas,E ; Huston, J ; Leitner, R ; Lokajicek,M ; Miller,R ; Némécek, S ; Palacky, J ; Richards,R et al.
ATL-TILECAL-96-103 ; ATL-L-PN-103. - 1996.
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433.
Quality control of WLS fibers of the TILECAL/ATLAS detector / David, M ; Gomes,A ; Maio,A ; Santos, J
ATL-TILECAL-96-104 ; ATL-L-PN-104. - 1996.
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434.
Insertion of the fibers in the Tilecal module 0 / Gomes,A ; Henriques, A ; Maio,O ; Santos, J
ATL-TILECAL-97-105 ; ATL-L-PN-105. - 1997.
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435.
Barrel Readout Cell Geometry (Module 0 implementation) / Gomes,A ; Maio,A ; Santos, J
ATL-TILECAL-97-106 ; ATL-L-PN-106. - 1997.
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436.
Routing of the fibers in module 0 / Gomes,A ; Santos, J ; Maio,A
ATL-TILECAL-97-107 ; ATL-L-PN-107. - 1997.
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437.
Muon Energy Loss Measurements in the ATLAS Hadron End-Cap Calorimeter 103 / Sytnik, V V (Serpukhov, IHEP)
ATL-MUON-95-103 ; ATL-M-PN-103. - 1995.
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438.
Characterization of the Hamamatsu 10-stages R5900 photomultipliers at Clermont for the TILE calorimeter / Bouhemaid,N ; Crouau,M ; Gil-Botella, A ; González de la Hoz, S ; Grenier, P ; Montarou, G ; Muanza, G S ; Poirot,S ; Vazeille, F
ATL-TILECAL-97-108 ; ATL-L-PN-108. - 1997.
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439.
Systematic Measurements of Tilecal Module O Grooves Width / Brunel,B ; Chapuis,JM ; Dulcia,L ; Henriques, A ; Maio,A ; Nessi, Marzio ; Pinhão, J ; Raposeiro,L ; Varanda, M
ATL-TILECAL-97-109 ; ATL-L-PN-109. - 1997.
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440.
Mechanical Tests for Sub-module / Blocki, J ; Brunel,B ; Hill,N ; Nessi, Marzio ; Proudfoot, J ; Rose-Dulcina, L
ATL-TILECAL-97-110 ; ATL-L-PN-110. - 1997.
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441.
Routing of the fibers in Extended Barrel (proposal "a la barrel") / Gomes,A ; Maio,A ; Park, I ; Santos, J
ATL-TILECAL-97-111 ; ATL-L-PN-111. - 1997.
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442.
A General Method for Routing Fibers in the ATLAS TileCal / Bromberg,C ; Huston, J ; Miller,RJ ; Richards,R ; Shooltz, D
ATL-TILECAL-97-112 ; ATL-L-PN-112. - 1997.
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443.
ATLAS TileCal Submodule B-field Measurement / Budagov, Yu A ; Fedorenko, S B ; Kalinichenko, V V ; Lomakin, Yu F ; Nessi, Marzio ; Vorojtsov, S B (JINR, Dubna, Russia/)
ATL-TILECAL-97-113 ; ATL-L-PN-113. - 1997.
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444.
Parametrization of the Muon Response in the Tile Calorimeter / Davidek,T ; Leitner, R
ATL-TILECAL-97-114 ; ATL-L-PN-114. - 1997.
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445.
An estimation of Module 0 R5900 PMT quantum efficiency / Montarou, G (Clermont-Ferrand U.)
ATL-TILECAL-97-115 ; ATL-L-PN-115. - 1997.
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446.

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447.
Study of the charge spectra generated by photomultipliers / Cavasinni, V ; Cologna, S ; Del Prete, N ; Di Girolamo, B (CERN) ; Renzoni, G
ATL-TILECAL-97-117 ; ATL-L-PN-117. - 1997.
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448.
Effect of Vacuum Grease on Helium Leak Rate Through O-Rings / Ferbel, T ; Manz, A
ATL-MUON-95-104 ; ATL-M-PN-104. - 1995.
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449.
Submodule Envelope Measurement Report / Guarino, V ; Hill,N ; Petereit, E P ; Proudfoot, J ; Wood,K
ATL-TILECAL-97-118 ; ATL-L-PN-118. - 1997.
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450.
Read-Out and Calibration of a Tile Calorimeter for ATLAS / Tardell, S
ATL-TILECAL-97-119 ; ATL-L-PN-119. - 1997.
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451.
Light produced in the Fibre bundle/Light guide/PMT region of the Tile Calorimeter prototype / Di Girolamo, B (CERN) ; Henriques, A ; Maio,A ; Santos, J ; Varanda, M
ATL-TILECAL-97-120 ; ATL-L-PN-120. - 1997.
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452.
Supply of laminated steel sheets as absorber for the ATLAS TILE Hadron Calorimeter
ATL-TILECAL-97-121 ; ATL-L-PN-121. - 1997.
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453.
Survey of the envelope of the IFAE Extended Barrel Module 0 using an optical transit / Cavalli-Sforza, M ; Gamell, J ; Miralles,L ; Ruiz,H
ATL-TILECAL-97-122 ; ATL-L-PN-122. - 1997.
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454.
Metrological inspection of modules of hadron calorimeter for ATLAS detector / Alikov, B A ; Artikov, A M ; Budagov, Yu A ; Dubnicka, S ; Kurilin, A S ; Lebedev, A I ; Liablin, M V ; Lomakin, U F ; Nessi, Marzio ; Prokoshin, F et al.
ATL-TILECAL-97-123 ; ATL-L-PN-123. - 1997.
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455.
Measurements of Some Optical Properties of the Tiles for the Extended Barrel Modules 0 / Cobal, M ; Mazzoni,E
ATL-TILECAL-97-124 ; ATL-L-PN-124. - 1997.
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456.
Characterization of EMI 9112A photomultipliers at Valencia for the ATLAS Tile Calorimeter / Castillo, V ; Chiron,L ; Fassi,F ; Ferrer, A ; Gil, I ; González, S ; Higón, E ; Romance, J B
ATL-TILECAL-97-125 ; ATL-L-PN-125. - 1997.
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457.
Cutting-polishing device for Tilecal WLS fiber bundles processing / Adamian,F ; Grabskii, V ; Hakopian, H H ; Mkrtchyan, S ; Oganezov, R ; Petrosyan, K G ; Vartapetian, A H ; Zelenko,K
ATL-TILECAL-97-126 ; ATL-L-PN-126. - 1997.
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458.
Study of the Hadron Shower Profiles with the ATLAS Tile Hadron Calorimeter / Budagov, Yu.A. (Dubna, JINR) ; Kulchitsky, Y.A. (Dubna, JINR) ; Rumyantsev, V.S. (Dubna, JINR) ; Rusakovich, N.A. (Dubna, JINR) ; Vinogradov, V.B. (Dubna, JINR) ; Nessi, M. (CERN)
The lateral and longitudinal profiles of the hadronic showers detected by iron-scintillator tile hadron calorimeter with longitudinal tile configuration have been investigated. [...]
hep-ex/9903052 ; JINR-E1-97-318 ; ATL-L-PN-127. - 1997. - 27 p.
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459.
Charge Division and Intrinsic Pulse Shaping in Drift Tubes / Deile, M ; Dubbert, J ; Hessey, N P
ATL-MUON-96-105 ; ATL-M-PN-105. - 1996.
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460.
Addendum on the estimation of Module 0 PMT 480 nm quantum efficiency / Montarou, G (Clermont-Ferrand U.)
ATL-TILECAL-97-128 ; ATL-L-PN-128. - 1997.
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461.
Characterization of 8-stages Hamamatsu R5900 photomultipliers for the TILE calorimeter / Crouau,M ; Grenier, P ; Montarou, G ; Poirot,S ; Vazeille, F
ATL-TILECAL-97-129 ; ATL-L-PN-129. - 1997.
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462.
Light Yield of Barrel Module 0 as measured with Source and Muon data / Bosman,M ; Bravo, S ; Ostankov,S
ATL-TILECAL-97-130 ; ATL-L-PN-130. - 1997.
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463.
Study of the light produced in PMT/light guide region of Tile barrel Module 0 / Henriques, A ; Nessi, Marzio ; Poulsen, Uffe V
ATL-TILECAL-97-131 ; ATL-L-PN-131. - 1997.
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464.
A Digitizer System for the Tile Calorimeter / Anderson, K ; Berglund, S R ; Böhm, C ; Engström, M ; Hellman, S ; Holmgren, S O ; Jon,K ; Pilcher, J E ; Sanders, H ; Selldén, B et al.
ATL-TILECAL-97-132 ; ATL-L-PN-132. - 1997.
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465.
Light yield in the extended barrel prototype modules from electrons at 90 degrees / Proudfoot, J (Argonne)
ATL-TILECAL-97-133 ; ATL-L-PN-133. - 1997.
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466.
A capsule detection sensors for the TiCal Cesium calibration system / Karyukhin, A N ; Kopikov, S V ; Shalanda, N A ; Soldotov,M ; Starchenko, E A
ATL-TILECAL-98-134 ; ATL-L-PN-134. - 1998.
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467.
Studies of internal resolution for 12 bit and 10 bit ADCs in the Tilecal readout electronics / Holmgren, S O ; Sjölin, J
ATL-TILECAL-98-135 ; ATL-L-PN-135. - 1998.
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468.
Testing of welds in the submodule / Blocki, J ; Brundel, B ; Nessi, Marzio
ATL-TILECAL-98-136 ; ATL-L-PN-136. - 1998.
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469.
Calculation of the TileCal magnetic forces using 3D Tosca model / Nessi, Marzio ; Morozov, N A ; Samsonov, E V ; Vorozhtsov, S B
ATL-TILECAL-98-137 ; ATL-L-PN-137. - 1998.
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470.
Gas Flow Model for the MDT Chambers / Bensinger, J ; Wellenstein, H
ATL-MUON-96-106 ; ATL-M-PN-106. - 1996.
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471.
Investigation of the Timesaver Process for De-Burring and Cleaning the Plate for the Atlas Tilecalorimeter / Guarino, V ; Wook, K
ATL-TILECAL-98-138 ; ATL-L-PN-138. - 1998.
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472.
Cooling system for the TILECAL hadron calorimeter of the ATLAS detector / Bonneau,P ; Bonnefoy,R ; Bosteels, Michel ; Grenier, P ; Hébrard, C ; Malyukov,S ; Reinmuth,G ; Rosnet, P ; Saigne,R ; Says,LP et al.
ATL-TILECAL-98-139 ; ATL-L-PN-139. - 1998.
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473.
Digital resolution studies / Nessi, Marzio (CERN)
ATL-TILECAL-98-140 ; ATL-L-PN-140. - 1998.
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474.

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475.
Calibration and Monitoring of the Tile Hadronic Calorimeter of ATLAS with A137Cs Source / Vichou, I (Barcelona, IFAE)
ATL-TILECAL-98-142 ; ATL-L-PN-142. - 1998.
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476.
Analysis of the CIS calibration data of the new Tile Calorimeter bi-gain readout system / Efthymiopoulos, I ; Kontos, T
ATL-TILECAL-98-143 ; ATL-L-PN-143. - 1998.
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477.
A Second Threshold Counter in the H8 Beamline / Stanek, S (Argonne)
ATL-TILECAL-98-144 ; ATL-L-PN-144. - 1998.
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478.

  Detailed record Copy itemCopy item
479.

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480.
Status of the special Tilecal modules / Corso, Jean Pierre ; Kloutchnikova,T ; Nessi, Marzio
ATL-TILECAL-98-147 ; ATL-L-PN-147. - 1998.
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481.
Experimental Study and Finite Element Analysis of the Heat Diffusion Problem for ATLAS MDT Chamber / Baliev, L ; Borisov, A ; Kijine, A ; Kojine, A
ATL-MUON-96-107 ; ATL-M-PN-107. - 1996.
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482.
Technical characteristics of the prototype of the TILECAL photomultipliers test-bench / Crouau, M ; Montarou, G ; Rey, D
ATL-TILECAL-98-148 ; ATL-L-PN-148. - 1998.
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483.
TileCal Steel Magnetic Property Variation Effects / Borisov, O ; Vorojtsov, S
ATL-TILECAL-98-149 ; ATL-L-PN-149. - 1998.
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484.
Hadron Calorimetry using scintillator Tiles and WLS fibers: the Tilecal/ATLAS
ATL-TILECAL-98-150 ; ATL-L-PN-150. - 1998.
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485.
Radiation Damage in WLS Fibres / David, M ; Gomes,A ; Maio,A ; Santos, J ; Varanda, M
ATL-TILECAL-98-151 ; ATL-L-PN-151. - 1998.
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486.
Light yield of the 1997 Extended Barrels Module 0 from Cs data with nominal PMT settings / Delfino, M C ; Bravo, S
ATL-TILECAL-98-152 ; ATL-L-PN-152. - 1998.
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487.
Analytical Representation of the Longitudinal Hadronic Shower Development / Kulchitskii, Yu A ; Vinogradov, V B
ATL-TILECAL-98-153 ; ATL-L-PN-153. - 1998.
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488.
Remote Control of Muon Walls in the Extended Barrel Module 0 Tilecal Beam Test / Bromberg,C ; Davidek,T ; Gallas,E ; Hruska, I ; Huston, J ; Krivkova, P ; Leitner, R ; Lokagicek,M ; Miller,R ; Némécek, S et al.
ATL-TILECAL-98-154 ; ATL-L-PN-154. - 1998.
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489.
New Geometry of Muon Walls in October 1997 Tilecal Beam Test / Bromberg,C ; Davidek,T ; Gallas,e ; Hruska, I ; Huston, J ; Krivkova, P ; Leitner, R ; Lokagicek,M ; Miller,R ; Némécek, S et al.
ATL-TILECAL-98-155 ; ATL-L-PN-155. - 1998.
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490.
Measurement of 20 Hamamatsu R-5900 Photomultiplier Tubes for ATLAS TileCal Module-0 / Ames, E ; Cogswell, F ; Downing, RW ; Errede, D ; Errede, S ; Griswold, M ; La Due, J ; Ruppert-Felsot, J E ; Seshagiri, C ; Simaitis, V et al.
ATL-TILECAL-98-156 ; ATL-L-PN-156. - 1998.
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491.
Protvino drift tubes for BML-98. Test results / Kojine, A (Serpukhov, IHEP)
ATL-MUON-98-247. - 1998. - 42 p.
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492.
Monte Carlo Simulation of the In-Plane Alignment System / Ostapchuk, A Ya (Munich, Max Planck Inst.)
ATL-MUON-96-108 ; ATL-M-PN-108. - 1996.
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493.
Measurement of ATLAS MDT Neutron Sensitivity and Development of a Simulation Model / Shank, J T
ATL-MUON-98-236. - 1998. - 34 p.
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494.
MDT Track Fitting with the Maximum Likelihood Method / Deile, M ; Hessey, N P ; Staude, A
ATL-MUON-98-240. - 1998. - 16 p.
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495.
The material budget of the ATLAS Inner Detector / Parker, A ; Edwards, M ; Hajduk, Z ; Froidevaux, D ; Gichriese, G ; Hallewell, G D ; Pater, J R
The evolution of the material budget of the ATLAS Inner Detector between the time of the Technical Design Report and the Pixel Technical Design Report is described in detail. [...]
ATL-INDET-98-207 ; LHCC-98-17. - 1998.
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496.
Effect of the Magnetic Field on the Jets Energy Measurement / Zolnierowski, Y
We have studied the effect of the magnetic field of the solenoide (2 Tesla) of the Atlas detector on the measurement of the jet energy in the liquid argon calorimeter..
CAL-92-013 ; ATL-CAL-92-013. - 1992.
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497.
Simulation Backup Document for Pixel TDR / Rozanov, A
ATL-INDET-98-208. - 1998. - 42 p.
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498.
Analysis of Irradiated and Annealed ATLAS Prototype Silicon / Riedler, P ; Morgan, D
ATL-INDET-98-209. - 1998. - 14 p.
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499.
Raw material for signal electrodes / Aubert, Bernard ; Jézéquel, S ; Marin, C
ATL-LARG-98-102. - 1998. - 7 p.
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500.
Mechanical design of the BIS module zero MDT chamber / Kaptsis, G ; Petridou, C ; Tsiafis, I ; Wotschack, J
ATL-MUON-98-242. - 1998. - 12 p.
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501.
Assembly and measurements of a mechanical prototype of the BIS MDT chamber / Ekonomou, K ; Petridou, C ; Sampsonidis, D ; Wotschack, J
ATL-MUON-98-243. - 1998. - 14 p.
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502.
Construction and test of a full-scale prototype of an ATLAS muon spectrometer tracking chamber / Biscossa, A ; Cambiaghi, M ; Conta, C ; Ferrari, R ; Fraternali, M ; Freddi, A ; Iuvino, G ; Lanza, A ; Livan, M ; Negri, A et al.
ATL-MUON-98-244. - 1999. - 34 p.
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503.
X-Ray Tomography. Test of New Setup and measurement of 4x8 Drift Tube Prototype / Borisov, A ; Goryachev, V N ; Fakhroutdinov, R ; Kozhin, A ; Vovenko, A ; Zimin, S
ATL-MUON-96-109 ; ATL-M-PN-109. - 1996.
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504.
ATLAS DAQ Back-end software User Requirements Document
ATL-DAQ-98-090 ; ATL-D-PN-90. - 1998.
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505.
The main data flow in the Read-Out Crate of ATLAS DAQ prototype -1 / Ambrosini, G (CERN)
ATL-DAQ-98-091 ; ATL-D-PN-91. - 1998.
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506.
The Sub-farm DAQ for the ATLAS DAQ Prototype -1 / Ambrosini, G (CERN)
ATL-DAQ-98-092 ; ATL-D-PN-92. - 1998.
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507.
The generic I/0 module in ATLAS DAQ prototype -1 / Ambrosini, G (CERN)
ATL-DAQ-98-093 ; ATL-D-PN-93. - 1998.
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508.
The LDAQ in ATLAS DAQ prototype -1 / Ambrosini, G (CERN)
ATL-DAQ-98-094 ; ATL-D-PN-94. - 1998.
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509.
The Dataflow for the ATLAS DAQ/EF Prototype -1 / Ambrosini, G (CERN)
ATL-DAQ-98-095 ; ATL-D-PN-95. - 1998.
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510.
Operating System studies for DAQ applications / Ambrosini, G (Bern U., LHEP)
ATL-DAQ-98-096 ; ATL-D-PN-96. - 1998.
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511.
The Read-Out Crate in ATLAS DAQ/EF Prototype -1 / Petersen, J (CERN)
ATL-DAQ-98-097 ; ATL-D-PN-97. - 1998.
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512.
Event Building in the ATLAS DAQ Prototype / Ambrosini, G (Bern U., LHEP)
ATL-DAQ-98-098 ; ATL-D-PN-98. - 1998.
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513.
The Read-Out Crate in ATLAS DAQ/EF Prototype -1 / Ambrosini, G (Bern U., LHEP)
ATL-DAQ-98-099 ; ATL-D-PN-99. - 1998.
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514.
Projective muon detector / Vertogradov, L S (Dubna, JINR)
ATL-MUON-92-011 ; ATL-M-PN-11. - 1992.
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515.
Test of Wire and Wall Position for a Single Drift Tube by Means of X-Ray / Borisov, A ; Kozhin, A
ATL-MUON-96-110 ; ATL-M-PN-110. - 1996.
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516.
F/E DAQ Discussion Group Summary Document and Work Plan / Ambrosini, G (Bern U., LHEP)
ATL-DAQ-98-100 ; ATL-D-PN-100. - 1998.
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517.
ATLAS Level-2 Trigger Demonstrator-A Activity Report Part 3: Paper model / Kugel, A ; Kornmesser, K ; Lay, R ; Männer, R ; Noffz, K H ; Rühl, S ; Sessler, M ; Simmler, H ; Singpiel, H ; Dörsing, V et al.
ATL-DAQ-98-101 ; ATL-D-PN-101. - 1998.
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518.
Emulation of the Level-2 trigger, architecture B, on the Macrame Testbed 102 / Dobinson, Robert W (CERN)
ATL-DAQ-98-102 ; ATL-D-PN-102. - 1998.
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519.
Trigger & DAQ Interfaces with Front-End Systems: Requirement Document Version 2.0
ATL-DAQ-98-103 ; ATL-D-PN-103. - 1998.
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520.
An ATM based Demonstrator System for the Sequential Option of the ATLAS Trigger / Calvet, D (DAPNIA, Saclay)
ATL-DAQ-98-104 ; ATL-D-PN-104. - 1998.
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521.
A Readout Buffer for Atlas / Calvet, D (DAPNIA, Saclay)
ATL-DAQ-98-105 ; ATL-D-PN-105. - 1998.
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522.
Architecture C Performance from Paper Models / Amadon, A (DAPNIA, Saclay)
ATL-DAQ-98-106 ; ATL-D-PN-106. - 1998.
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523.
Emulation of Architecture C on Machine / Bystrický, J (DAPNIA, Saclay)
ATL-DAQ-98-107 ; ATL-D-PN-107. - 1998.
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524.
Trigger rates from fast simulation / Amadon, A ; Bystrický, J ; Ernwein, J ; Hubbard, John R ; Le Dû, P ; Thooris, B
ATL-DAQ-98-108 ; ATL-D-PN-108. - 1998. - 13 p.
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525.
Overview of the Sequential Single Farm option for the ATLAS high levels Trigger
ATL-DAQ-98-109 ; ATL-D-PN-109. - 1998.
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526.
Status of the Front End Electronics for the MDT System / Giordano, T ; Hazen, E ; Huth, J ; Oliver, J ; Shank, J T
ATL-MUON-96-111 ; ATL-M-PN-111. - 1996.
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527.
ATLAS Trigger Menus at Luminosity 10**33 cm-2 s-1 / Amadon, A (DAPNIA, Saclay)
ATL-DAQ-98-110 ; ATL-D-PN-110. - 1998.
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528.
Using SCI to Implement the Local-Global Architecture for the ATLAS Level 2 Trigger / Hughes-Jones, R E ; Kolya, S D ; Mercer, D ; Botterill, D ; Middleton, R P ; Wickens, F J ; Bogaerts, A ; Dénes, E ; Giacomini, F ; Hauser, R et al.
ATL-DAQ-98-111 ; ATL-D-PN-111. - 1998.
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529.
A logical model for event building in DAQ-1 / Gambrosini, M (CERN)
ATL-DAQ-98-112 ; ATL-D-PN-112. - 1998.
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530.
Paper Models of the ATLAS Second Level Trigger / Dobson, M (Royal Holloway, U. of London) ; George, S (Royal Holloway, U. of London) ; Strong, J A (Royal Holloway, U. of London) ; Vermeulen, Joseph Cornelis (NIKHEF, Amsterdam)
ATL-DAQ-98-113 ; RHCPP-98-06 ; ATL-D-PN-113 ; CERN-OPEN-2000-201. - 1998. - 45 p.
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531.
ATLAS policy for radiation hard electronics / Farthouat, Philippe ; Williams, H
Definition of the ATLAS policy for the use of radiation hard electronics
ATL-ELEC-98-002. - 1996.
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532.
ATLAS policy on radiation tolerant electronics / Farthouat, Philippe ; Williams, H
This note descibes the ATLAS policy for the use of radiation tolerant electronics..
ATL-ELEC-98-003. - 1997.
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533.
ATLAS policy on grounding and power distribution / Williams, H
This note describes the basic principles of the grounding and power distribution in ATLAS..
ATL-ELEC-98-004. - 1997.
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534.
Jet Reconstruction at the ATLAS Second Level Trigger / Tapprogge, Stefan (CERN)
ATL-DAQ-98-115. - 1998. - 32 p.
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535.
Geometrical Acceptance for the Trigger Chamber System and study of the reaction H -> ZZ* -> four muons from the acceptance point of view / Rimoldi, A (INFN, Pavia)
ATL-DAQ-98-119. - 1998. - 12 p.
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536.
Studies of muon isolation in the level-2 muon trigger / Shears, TG (CERN)
ATL-DAQ-98-122. - 1998. - 22 p.
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537.
Studies of the ATLAS MDTs Properties for Different Gas-mixtures and Effect of the Operating Parameters on their Performance / Chouridou, S (Thessaloniki U.)
ATL-MUON-96-112 ; ATL-M-PN-112. - 1996.
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538.
Measurement of the optical properties of the EB Module0 Tiles / Bosman, M ; Bravo, S ; Cavalli-Sforza, M ; Graugès-Pous, E
Optical properties of the tiles equipping the Tilecal Extended Barrel Module0 (EB0) assembled at IFAE (Barcelona) have been measured [...]
ATL-TILECAL-98-157. - 1998.
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539.
A fast simulation of hadronic showers in sampling calorimeters / Graugès-Pous, E
ATL-TILECAL-98-158. - 1998.
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540.
Analysis of the 1997 test beam laser data of the Tilecal exetnded barrel module 0 / Grenier, P ; Says, L
This note presents the analysis of the laser data taken during the tesbema of october 1997. [...]
ATL-TILECAL-98-159. - 1998. - 18 p.
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541.
Proposal for the Tilecal submodule surface protection with DISKOR V2076-7 / Valkár, S ; Davidek, T ; Dolejsi, J ; Dolezal, Z ; Leitner, R ; Soustruznik, K ; Suk, M ; Lokajícek, M ; Némécek, S ; Slavik, J et al.
The results of extensive tests according to DIM standards dor the 12 iron surface protection agents against corrosion are summarised. [...]
ATL-TILECAL-98-160. - 1998.
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542.
Magnetic field measurement requirements of the Inner Detector / Snow, S W (Manchester U.)
ATL-INDET-97-196 ; ATL-I-PN-196. - 1997.
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543.
Measurements of Properties of Highly Irradiated P+ n Pixel Detector Structures / Sícho, P
ATL-INDET-97-189 ; ATL-I-PN-189. - 1997.
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544.
ATLAS Front-end Read-out Link Requirements / Dowell, John D ; Pearce, M
The purpose of this document is summarise ATLAS front-end read-out link architectures. [...]
ATL-ELEC-98-001. - 1998. - 7 p.
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545.
Search for right-handed Majorana neutrinos at LHC in the ATLAS detector / Collot, J ; Ferrari, A
In this paper, we briefly recall the main characteristics of the minimal Left-Right Symmetric Model, a gauge theory which suggests that parity gets restored at high energy and which may also allow neutrinos to be massive. [...]
ATL-PHYS-98-124. - 1998. - 28 p.
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546.
ATLAS Trigger Menus / Baines, J T M ; Connors, A ; Dubitzky, R S ; Ellis, Nick ; Froidevaux, D ; George, S ; González, S ; González-Pineiro, B ; Tansl-Kozanecka, T ; Hinchliffe, Ian et al.
ATL-DAQ-98-121. - 1998. - 13 p.
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547.
Semi-inclusive B-physics triggers at low luminosity / Rizatdinova, F K
ATL-DAQ-98-114. - 1998. - 10 p.
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548.
The alignment of the ATLAS muon spectrometer
ATL-MUON-96-113 ; ATL-M-PN-113. - 1996.
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549.
Design of a cosmics test site for the Quality Assurance and Quality Control (QAQC) of full MDT chambers / Bacci, C ; Baroncelli, A ; Branchini, P ; Ceradini, F ; Farilla, A ; Iodice, M ; Orestano, D ; Pastore, F ; Spiriti, E ; Stanescu, C
MDT chambers are forseen to undergo QAQC tests after the completion of their assembly using a cosmic rays telescope. [...]
ATL-MUON-98-241. - 1998. - 22 p.
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550.
Measurement of torque applied to the end plug central brass pin due to gas jumper / Borisov, A ; Kojine, S
Results of torque induced by gas jumper connecting pair of end plugs are presented. [...]
ATL-MUON-98-251. - 1998. - 11 p.
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551.
Comparative study of geometries and fiber routings for the Extended Barrel Modules 0 / Gomes, A ; Maio, A ; Santos, J
ATL-TILECAL-98-165. - 1998.
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552.
Bicron fibers: choice of the UVA concentration for the Barrel Module 0 / David, M ; Gomes, A ; Maio, A
ATL-TILECAL-98-164. - 1998.
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553.
Reflection coefficient of the mirror aluminized fibres used in the TILECAL prototypes and Modules 0 since 1994 / David, M ; Gomes, A ; Maio, A ; Varanda, M
ATL-TILECAL-98-161. - 1998.
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554.
Optical properties of fibres for the 1998 Module 0 / David, M ; Gomes, A ; Maio, A ; Varanda, M
ATL-TILECAL-98-162. - 1998.
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555.
Fake Level-1 Muon Trigger Rates in the ATLAS experiament / Nisati, A (INFN, Rome)
The high background level expected in the ATLAS hall can contribute to the muon trigger rate by accidental coincidences of hits produced by background particles in the trigger counters. [...]
ATL-DAQ-98-123. - 1998. - 7 p.
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556.
Global Pattern Recognition in the TRT for the ATLAS LVL2 Trigger 210 / Sessler, Matthias ; Smizanska, Maria
extrapolated to high lumino
ATL-INDET-98-210 ; ATLAS-Internal-Note-DAQ-120. - 1998. - 24 p.
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557.
Optical and mechanical properties of the profiles / Varanda, M ; David, M ; Gomes, A ; Maio, A ; Pinhão, J ; Sá da Costa, J
Report on the results obtained in the laboratory with the profiles used to reinstrument the barrel module 0 in 1998..
ATL-TILECAL-98-163. - 1998. - 22 p.
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558.
Global Pattern Recognition in the TRT for the ATLAS LVL2 Trigger 120 / Sessler, Matthias ; Smizanska, Maria
extrapolated to high lumino
ATL-DAQ-98-120. - 1998. - 24 p.
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559.
Optimization of RPC chambers - a first order MC simulation approach / Schuh, S
ATL-MUON-96-114 ; ATL-M-PN-114. - 1996.
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560.
Level-1 Rates for Triggers Using the ETMISS Signature / Dubitzky, R S ; Jakobs, K ; Bagheri, E ; Mahboubi, K ; Wunsch, M
In the ATLAS experiment the ETMISS trigger will be used in conjunction with other triggers like the single jet, the single electron and the tau trigger. [...]
ATL-DAQ-99-011 ; HD-IHEP-98-05. - 1998. - 35 p.
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561.
Temperature Dependence of MDT Wire Tension / Lagouri, T (Munich, Max Planck Inst.)
The wire tension of an 80~cm long aluminum drift tube was measured as a function of temperature in the range of 20~$^0$C to 30~$^0$C. [...]
ATL-MUON-98-248. - 1998. - 4 p.
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562.
Trigger Menus for the ATLAS Second Level Trigger: Design of the Steering System / Clarke, P ; Tapprogge, Stefan
This note presents a scheme for the implementation of trigger menus, to be used in the LVL-2 pilot project. [...]
ATL-DAQ-98-126 ; ATL-COM-DAQ-012. - 1998. - 27 p.
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563.
Three dimensional cleaning of data from HEP events / Drevermann, H ; Kuhn, D ; Luthaus, P ; Nilsson, B S
In large HEP detectors typically a very high number of 3D hits is recorded simultaneously. [...]
ATL-SOFT-98-037. - 1998. - 11 p.
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564.
ATLAS request for future SPS test beam operation with a 25 ns bunch structure / Henriques, A
The ATLAS collaboration plans to make important use of the 40 MHz bunch structure beam for complete system tests of the combined detector components, in particular the tracking detectors (pixels, SCT and TRT), calorimeter, muon spectrometer and trigger system as described in detail in section 3
CERN-SPSC-98-19; ATL-GEN-98-019; SPSC-M-610.- Geneva : CERN, 1998 - 9 p. Access to fulltext document: gen-98-019 - PDF; SC00000948 - TIF; Fulltext: PDF; - CERN library copies
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565.
Electronic tests of the barrel presampler mother boards / Hostachy, JY ; Belhorma, B ; Dzahini, D ; Collot, J
The electrical characteristics of the barrel presampler mother boards are recalled. [...]
ATL-LARG-98-103. - 1998. - 18 p.
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566.
Length and Straightness of the Tubes for the BOS Prototype Chamber / Lagouri, T (Munich, Max Planck Inst.)
We have measured length and straightness of 50 tubes of 3.8~m length, after cleaning, wiring and testing from a batch that was used in the construction of the BOS prototype chamber. [...]
ATL-MUON-98-249. - 1998. - 7 p.
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567.
Tau Identification in the Second Level Trigger / González-Pineiro, B (Michigan State U.)
The studies to optimize the algorithm for tau identification at LVL2 trigger are presented. [...]
ATL-DAQ-98-127. - 1998. - 11 p.
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568.
Enhancement of the Standard Model Higgs Boson Production Cross-section with the Fourth Standard Model Family Quarks. / Arik, E ; Cetin, S A ; Conka, T ; Mailov, A ; Sultansoy, S F
We present the effect of the existance of the 4th Standard Model family quarks to the main production mechanism (gluon-gluon fusion) of the Standard Model Higgs boson at the LHC. [...]
ATL-PHYS-98-125. - 1998. - 18 p.
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569.
Identification of Hadronic Tau decays in ATLAS / Coadou, Y ; Hinchliffe, Ian ; Lozano-Bahilo, J ; Loveridge, L C ; Shapiro, M D
Taus can be an important signature for Supersymmetry at the LHC. [...]
ATL-PHYS-98-126 ; LBNL-41757. - 1998. - 22 p.
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570.
Response of Muon Drift Tubes to Radioactive Sources. / Gabutti, A ; Ferbel, T
ATL-MUON-96-115 ; ATL-M-PN-115. - 1996.
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571.
Geometry Reconstruction using Muon Tracks in DATCHA CERN / Linde, Frank L ; Woudstra, M
The geometry of the muon chambers is reconstructed using straight muon tracks. [...]
ATL-MUON-98-250. - 1998. - 50 p.
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572.
Level-1 trigger rate from beam halo muons in the end-cap / Robins, S (Technion)
Previous detectors at $p$-$\bar{p}$ machines have experienced problems with high muon trigger rates in the forward region due to muons produced in interactions between the beam and the machine. [...]
ATL-DAQ-98-128. - 1998. - 11 p.
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573.
A Database for Silicon Microstrip Detectors in the SCT Central Cluster Working Group / Demièrre, P ; Ferrère, D
Before the construction of the ATLAS Silicon Central Tracker (SCT), several types of silicon microstip detectors are tested across the working groups. [...]
ATL-INDET-98-219. - 1998. - 7 p.
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574.
Update of Inner Detector Performance Parameterisations / Buis, EJ ; Dankers, R J ; Reichold, A ; Haywood, S ; Tartarelli, F ; Labanca, N
This note describes the changes and additions made to the Inner Detector perform-ance parameterisations previously discussed in ATLAS-INDET-NOTE 195. [...]
ATL-INDET-98-215. - 1998. - 14 p.
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575.
MDT Noise Measurements in the X5 and H8 Test Beam / Aleksa, Martin ; Hessey, N P ; Riegler, W
Different measurements of the MDT noise level were performed in the X5 test beam, using the Seattle/Boston EMS chamber equipped with BNL preamplifiers and shapers. [...]
ATL-MUON-98-254. - 1998.
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576.
X-Ray Tomography for the ATLAS Semi-Conductor Tracker / Bibby, J H ; Grosse-Knetter, J ; Nickerson, R B ; Vertogradov, L S
Results are presented of methodical investigations of an X-ray tomography system for positioning silicon strip modules. [...]
ATL-INDET-98-212. - 1998. - 42 p.
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577.
S-shape correction using a neural network / Schwindling, J (DAPNIA, Saclay)
A neural network can be used to fit the S-shape corrections in the measurement of eta in the ATLAS electromagnetic calorimeter. [...]
ATL-LARG-98-104. - 1998. - 11 p.
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578.
Protvino group experience with wire crimping
In this note we brifly described our experience with crimping of thin wires in copper capilar pipes..
ATL-MUON-98-252. - 1998. - 4 p.
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579.
Irradiation of the TC255P CCD by Fast Neutrons / Hashemi, K S ; Bensinger, J
The TC255P is a CCD manufactured by Texas Instruments. [...]
ATL-MUON-98-253. - 1998. - 14 p.
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580.
Jet Finder Library: version 1.0 / Bosman, M ; Park, I C ; Cobal, M ; Costanzo, D ; Lami, S ; Paoletti, R ; Azuelos, Georges ; Strahl, K
This note describes the conventional cone algorithm, two versions of the $K_T$ algorithm, and a new clustering algorithm Mulguisin as they are implemented in the new ATLAS Jet Finder Library. [...]
ATL-SOFT-98-038. - 1998. - 17 p.
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581.
Response of the MDT filled with Ar+5%CO2+3%CH4 to thermal neutrons / Borzakov, S B ; Boyko, I ; Chelkov, G A ; Dodonov, V ; Ignatenko, M A ; Nikolenko, M ; Nozdrin, A ; Pisarev, I
ATL-MUON-96-116 ; ATL-M-PN-116. - 1996.
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582.
Characterization of the new 8 stages Hamamatsu photomultipliers for the July 98 Test Beam / Camarena, F ; Crouau, M ; Grenier, P ; Hébrard, C ; Montarou, G
This note presents the characterization of the 52 new R5900 8 stages Hamamatsu photomultipliers which have been used during the 1998 Tilacal test beam. [...]
ATL-TILECAL-98-166. - 1998. - 21 p.
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583.
Construction of the Full-Scale Prototype of a BOS MDT Chamber / Bartheld, V ; Bratzler, U ; Kalkbrenner, D ; Kroha, H ; Lagouri, T ; Manz, A ; Ostapchuk, A Ya ; Schael, S
The full-scale prototype of a BOS MDT precision chamber has been constructed at MPI Munich between 26 January and 16 February 1998 following the specifications of the ATLAS Muon Spectrometer Technical Design Report. [...]
ATL-MUON-98-256. - 1998. - 54 p.
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584.
Emulation of an Event Builder using the ATM Local Area Network of the RCNP Institute / Calvet, D ; Nomachi, M ; Togawa, T ; Conte, J M ; Mandjavidze, I D ; Nagasaka, Y
The computer network at the Research Center for Nuclear Physics (RCNP), University of Osaka, has been rebuilt recently using state-of-the-art multi-processor servers and workstations linked by an ATM Local Area Network. [...]
ATL-DAQ-98-130. - 1998. - 6 p.
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585.
Choice of materials for the construction of the TRT / Romaniouk, A (Moscow Phys. Eng. Inst.)
This paper is mainly based on a compilation of existing experimental data and on the experience gained by the TRT collaboration over more than 8 years, concerning ageing phenomena in proportional gas chambers and radiation hardness of materials commonly used for the construction of gaseous detectors. [...]
ATL-INDET-98-211. - 1998. - 26 p.
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586.
Level-2 "Pilot Project" / Le Dû, P ; Falciano, S ; Wickens, F J (RAL Chilton)
ATL-DAQ-98-118. - 1998.
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587.
Performance of VCSELs for SCT links / Mandic, I ; Weidberg, T
Vertical Cavity Surface Emitting Laser (VCSEL) diodes will be used as the light source for SCT optical links. [...]
ATL-INDET-98-213. - 1998.
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588.
High Rate Performance of Drift Tubes / Scherberger, G. (Freiburg U.) ; Paschhoff, V. (Freiburg U.) ; Waldmann, V. (Freiburg U.) ; Landgraf, U. (Freiburg U.) ; Herten, G. (Freiburg U.) ; Mohr, W. (Freiburg U.)
This article describes calculations and measurements of space charge effects due to high rate irradiation in high resolution drift tubes. [...]
hep-ex/9810025. - 1998. - 20 p.
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589.
Reusing Code from FLUKA and GEANT4 Geometry / Campanella, M ; Ferrari, A ; Sala, P R ; Vanini, S
The aim of the project is to investigate the feasibility of integrating the GEANT4 geometry facilities with FLUKA physics treatment, and eventually release a production application. [...]
ATL-SOFT-98-039. - 1998. - 19 p.
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590.
A QA/QC system to monitor the planarity of the tube layers in MDT chambers construction / Ciapetti, G ; De Zorzi, G ; Giacalone, R ; Montani, L ; Pinci, D
In this note a commercial laser system for the monitoring of the correct placement of the MDT drift tube end-plugs on the assembly combs is described. [...]
ATL-MUON-98-255. - 1998. - 9 p.
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591.
Search for H to WW to l nu jj with the ATLAS detector (mH = 300-600 GeV) / Cavasinni, V ; Costanzo, D ; Lami, S ; Spanó, F
ATL-PHYS-98-127. - 1998. - 42 p.
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592.
Beam Test Results on Operated in Avalanche Mode RPCs obtained in April 1996 with the IHEP Accelerator 117 / Ammosov, VV ; Gapienko, VA ; Senko, V A ; Usenko, E A ; Vasiliev, IL ; Zaetz, V G
ATL-MUON-96-117 ; ATL-M-PN-117. - 1996.
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593.
Calibration and Light Yield measurements of Steel-plastic scintillator calorimeters for he ATLAS detector. / Bravo, S (Barcelona, IFAE)
ATL-TILECAL-98-167. - 1998. - 144 p.
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594.
EVAPORATIVE COOLING - CONCEPTUAL DESIGN FOR ATLAS SCT / Niinikoski, T O (CERN)
The conceptual design of an evaporative two-phase flow cooling system for the ATLAS SCT detector is described, using perfluorinated propane (C3F8) as a coolant. [...]
ATL-INDET-98-214. - 1998. - 35 p.
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595.
Currents on MDT end plugs / Paschhoff, V ; Treichel, M
A sample of MDT tubes was irradiated in the CERN X5 facility to study their aging behaviour. [...]
ATL-MUON-98-260. - 1998. - 2 p.
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596.
ATLAS Muon Spectrometer: Precision chamber electrical services / Richter, R ; Wotschack, J
ATL-MUON-98-257. - 1998. - 22 p.
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597.
Diffusion of Impurities in the MDT gas system / Hessey, N P ; Deile, M
ATL-MUON-98-235. - 1998. - 9 p.
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598.
Risk of damaging the wires by edges of laser drilled holes in the end plugs / Staude, A ; Ströhmer, R ; Trefzger, T M
No sign of damage to the wire by edges of the laser drilled hole has been seen, based on a sample of four end plugs..
ATL-MUON-98-261. - 1998. - 2 p.
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599.
MDT Performance in a High Rate Background Environment / Aleksa, Martin ; Deile, M ; Hessey, N P ; Riegler, W
A Cs137 gamma source with different lead filters in the SPS beam-line X5 has been used to simulate the ATLAS background radiation. [...]
ATL-MUON-98-258. - 1998.
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600.
Bias-dependent annealing of radiation damage in neutron-irradiated silicon p+ n n+ diodes / Cindro, V ; Kramberger, G ; Mikuz, M ; Zontar, D
High resistivity silicon pad diodes were irradiated With neutrons. [...]
ATL-INDET-98-216. - 1998. - 5 p.
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601.
Pollution of liquid argon after neutron irradiation measured at SARA: summary of raw data / Andrieux, M L ; Collot, J ; de Saintignon, P ; Ferrari, A ; Hostachy, J Y ; Martin, P ; Wielers, M ; Belymam, A ; Hoummada, A ; Merkel, B et al.
The SARA fast neutron facility has been used to irradiate various pieces of materials due to be used in the ATLAS electromagnetic calorimeter, immersed in a liquid argon cryostat. [...]
ATL-LARG-98-105. - 1998. - 17 p.
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602.
ASTRA, a Reconstruction Algorithm for the Silicon Detectors / Drevermann, H ; Luthaus, P
This note describes ASTRA, which is an acronym for Atlas Silicon detector Track Reconstruction Algorithm. [...]
ATL-SOFT-98-040. - 1998. - 13 p.
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603.
On Gluing Tubes into Multilayers / Guldenmann, H ; Zhao, T
ATL-MUON-96-118 ; ATL-M-PN-118. - 1996.
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604.
Beauty Production Overview from Tevatron to LHC / Baranov, S P ; Smizanska, M
We present a comparative analysis of heavy quark production mechanisms at high energies. [...]
ATL-PHYS-98-133. - 1998. - 27 p.
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605.
The Shielding of the ATLAS Forward Region from the point of view of Materials Technology and some Construction Aspects / Sodomka, J ; Leroy, C ; Palla, J ; Pospisvil, S ; Vstekl, I
The aim of this note is to discuss a concept and a construction of the ATLAS forward region shielding as a contribution to the chapter on shielding for the ATLAS infrastructure TDR. [...]
ATL-TECH-98-033. - 1998. - 16 p.
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606.
S-LINK Transmission Measurements / Abolins, M ; González-Pineiro, B ; Peterson, P
This note describes performance measurements of data transfer via S-LINK between two CES RIO2 8062 processors. [...]
ATL-DAQ-98-131. - 1998.
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607.
The raw event format in the ATLAS Trigger & DAQ / Bee, C P ; Francis, D ; Mapelli, L ; McLaren, R ; Mornacchi, Giuseppe (CERN) ; Petersen, J ; Wickens, F J (RAL Chilton)
This note presents the ATLAS raw event format. [...]
ATL-DAQ-98-129 ; ATL-D-ES-0019. - 1998. - 26 p.
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608.
The discovery potential of a Heavy Higgs (MH > 800 GeV) using full GEANT simulation of ATLASr / Savard, P ; Azuelos, Georges
Full GEANT simulation of the Heavy Higgs (m>800 GeV) production via WW fusion, as well as ttbar and W+jets backgrounds have been performed. [...]
ATL-PHYS-98-128. - 1998. - 45 p.
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609.
ATLAS Detector Status / Henriques, A (CERN)
ATLAS is a general detector that will exploit the full potential of the LHC p-p collision programme. [...]
ATL-CONF-98-001. - 1998.
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610.
Tagging b-jets using low-p_T electrons / Jagielski, S ; Kaczmarska, A ; Wolter, M
This note presents a study of b-jet tagging in ATLAS using soft electrons from semileptonic b-quark decays. [...]
ATL-PHYS-98-129. - 1998. - 43 p.
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611.
Analysis results of the April 1996 combined test of the LArgon and TILECAL barrel calorimeter prototypes / Cobal, M ; Cologna, S ; Costanzo, D ; David, M ; Davidek, T ; Efthymiopoulos, I ; Khubua, J I ; Kulchitskii, Yu A ; Kuzmin, M V ; Lund-Jensen, B et al.
In April 1996 a second combined electromagnetic and hadronic ATLAS calorimeter prototype test beam was performed. [...]
ATL-TILECAL-98-168. - 1998. - 49 p.
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612.
The offline lead thickness measurement system for the ATLAS Electromagnetic Barrel Calorimeter / Beauchet, P ; Bertoli, W ; Canton, B ; Descotes, G ; Doreste, S ; Imbault, D ; Laloux, P ; Repain, P ; Schwemling, P ; Treguier, Y
We describe the apparatus that will be used to measure the thickness of the lead plates that are to be used for the production of the absorbers of the ATLAS Electromagnetic Barrel Calorimeter. [...]
ATL-LARG-98-107. - 1998. - 37 p.
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613.
Bending of End-Cap Electrodes / Dargent, P ; Djama, F
The copper-polyimide electrodes have to fit into the accordeon shape of the lead-steel absorbers. [...]
ATL-LARG-98-108. - 1998. - 12 p.
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614.
MUST with a Permanent Magnet / Ostapchuk, A Ya (Munich, Max Planck Inst.)
ATL-MUON-96-119 ; ATL-M-PN-119. - 1996.
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615.
An electromagnetic micrometer to measure wire location inside an ATLAS MDT drift tube / Cambiaghi, M ; Cardini, A ; Ferrari, R ; Gaudio, G
This short memo reports on an electromagnetic system for measuring the wire position inside an ATLAS MDT drift tube with a 2 micron accuracy..
ATL-MUON-98-259. - 1998. - 5 p.
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616.
Search for the SM and MSSM Higgs boson in the ttH, H-->bb channel / Richter-Was, Elzbieta ; Sapisnki, M
A detailes study of the associated Standard Model Higgs boson production ttH with H-->bb is presented for the SM and MSSM scenarios. [...]
ATL-PHYS-98-132. - 1998. - 41 p.
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617.
ATLFAST 2.0 a fast simulation package for ATLAS / Richter-Was, Elzbieta ; Froidevaux, D ; Poggioli, Luc
This paper documents the update of the ATLFAST program for fast detector simula tion and physics analysis.The algorithm is implememnted as an independent packa ge written in Fortran 77 but exists also in an OO/C++ implementation. [...]
ATL-PHYS-98-131. - 1998. - 79 p.
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618.
The implication of new Peterson fragmentation parameters for existing physics studies using a sample of WH, H $\rightarrow$ b\=b. / Dick, B (Melbourne U.)
The effect of using updated values for the Peterson fragmentation parameters was studied for the case of WH, H $\rightarrow$ b\=b, m$_{\rm{H}}$ = 100 GeV. [...]
ATL-PHYS-98-130. - 1998.
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619.
Cold cables for the EM calorimeters: specifications and measurements of the electrical properties / Bonivento, W ; Collet, E ; de La Taille, C ; Imbert, P
This note describes the requirements for the cold cables of the ATLAS EM calorimeters and describes how the different parameters can be measured and to which precision. [...]
ATL-LARG-98-106. - 1998.
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620.
TEST ON ABCD CHIPS / Ferrère, D ; Macina, Daniela (CERN) ; Zsenei, A ; Kaplon, J ; Lacasta, C ; Dabrowski, W ; Kudlaty, J ; Wolter, M ; Azman, S
The ABCD chip is one of the two technological options for the binary readout architecture under development for the Silicon Tracker (SCT) in ATLAS. [...]
ATL-INDET-98-217. - 1998. - 21 p.
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621.

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622.
RPCs for the ATLAS Level-1 muon trigger:Test beam results / Camarri, P ; Cardarelli, R ; Creti, P ; De Asmundis, R ; Di Ciaccio, A ; Donatacci, M ; Gapienko, V ; Gorini, E ; Leo, A ; Konstantinov, V et al.
ATL-MUON-98-234 ; ATL-COM-MUON-98-027. - 1998. - 18 p.
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623.
Determination of \DG by ATLAS and the impact of non-zero \DG on other Bs studies. / Smizanska, M (Lancaster U.)
ATLAS can measure \DG a decay rate difference between the two mass eigenstates of \Bs - \aBs system, by analysing an angular-time distribution in the cascade decay \Bsto. [...]
ATL-PHYS-99-003. - 1998. - 26 p.
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624.
Thermal studies on a mechanical prototype of A BIS MDT chamber / Petridou, C ; Sampsonidis, D ; Wotschack, J ; Zisis, A
The deformations of a BIS MDT chamber owing to temperature gradients between the two multilayers and between the two Faraday cages were studied on a mechanical prototype. [...]
ATL-MUON-98-263. - 1998. - 10 p.
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625.
Pilot results of beam test with high pressure drift tubes / Alekseev, G D (et al.)
ATL-MUON-92-012 ; ATL-M-PN-12. - 1992.
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626.
Beam test results on operated in avalanche mode RPCs obtained in April 1996 with the IHEP Accelerator 120 / Ammosov, VV ; Gapienko, VA ; Senko, V A ; Usenko, E A ; Vasiliev, IL ; Zaetz, V G
ATL-MUON-96-120 ; ATL-M-PN-120. - 1996.
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627.
Hadronic Endcap Modules Zero Pion and Electron Energy Scan Analysis from April 1998 Testbeam Data / Dobbs, MA ; Lefebvre, M ; O'Neil, D C
The Hadronic Endcap modules Zero were tested in the H6 beamline at CERN in April 1998. [...]
ATL-LARG-99-001 ; HEC-Note-59. - 1998. - 24 p.
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628.
Readout of non irradiated and irradiated strip detectors with fast analogue electronic / Cindro, V ; Kramberger, G ; Mikuz, M ; Zontar, D ; Kaplon, J ; Riedler, P ; Roe, S ; Weilhammer, Peter ; Dabrowski, W
Silicon strip detectors with 50 micron readout pitch were connected to fast analogue electronic (SCT 32A). [...]
ATL-INDET-98-220. - 1998. - 11 p.
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629.
Measurement of drift velocity and amplification coefficient in C2H2F4-Isobutane mixtures for avalanche operated Resistive Plate Counters / Colucci, A ; Gorini, E ; Grancagnolo, F ; Primavera, M
The knowledge of the transport and amplification parameters (drift velocity, first Townsend and attachment coefficients) of the gas mixtures used for avalanche operated Resistive Plate Counters gives the possibility ofbetter understanding the underlying physical processes of these detectors and of developping Montecarlo simulations of their behaviour.We present here a measurement of the drift velocity $v_{d}$and of the amplification coefficient $\eta$ in $C_{2}H_{2}F_{4}$-Isobutanemixtures. [...]
ATL-MUON-98-265. - 1998. - 12 p.
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630.
Measurements of the Thermal Conductivity of Pyrolitic Graphite Substrates for use in SCT Modules / Beck, G A ; Carter, A A ; Morris, JF
We describe direct measurements of the thermal conductivity of pyroliticgraphite (pg and tpg) proposed for removing heat from the Atlas SCT modules.For tpg the crucial conductivity (parallel to the lamina plane) is in excessof 1700W/m-K at room temperature with an appreciable negative temperaturecoefficient and is radiation hard. [...]
ATL-INDET-98-221. - 1998. - 13 p.
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631.
ATLAS Irradiation Studies of n-in-n and p-in-n Silicon Microstrip Detectors. / Allport, P P ; Andricek, L ; Buttar, C M ; Carter, J ; Drage, L ; Ferrère, D ; Morgan, D ; Riedler, P ; Robinson, D
Prior to the module production of the ATLAS silicon microstrip tracker for the barreland the forward wheels, the characterisation of full size prototype silicon detecetorsafter radiation to a fluences corresponding to 10 years of ATLAS operation is required.The measurements of leakage current, full depletion voltage, signal-to-noise ratio and charge collection efficiency are presented..
ATL-INDET-98-222. - 1998. - 13 p.
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632.
Electrical tests of E.M. barrel presampler sectors / Belhorma, B ; Hostachy, JY ; Dzahini, D ; Collot, J
A description of the tests and electronics used to control the presampler sectors, before and after their assembly, is given. [...]
ATL-LARG-98-109. - 1998. - 28 p.
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633.
MDT WIRE TENSION MEASUREMENT USING AN ELECTROSTATIC METHOD / Balla, A ; Corradi, G ; Esposito, B ; Felici, G ; Nedosekin, A ; Ponzio, B ; Russo, V ; Spitalieri, M C
An automated system to measure wire tension in MDT tubes is presented.The method uses electrostatic forces between wire and tube to excite mechanical oscillation around the wire harmonic resonance. [...]
ATL-MUON-98-264 ; ATL-COM-MUON-98-032. - 1998. - 7 p.
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634.
Measurements in Gauge Mediated SUSY Breaking Models at LHC / Hinchliffe, Ian ; Paige, FE
Characteristic examples are presented of scenarios of particleproduction and decay in supersymmetry models in which thesupersymmetry breaking is transmitted to the observable world viagauge interactions. [...]
ATL-PHYS-98-134. - 1998. - 46 p.
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635.
Performance of the ATLAS Presampler Prototype of June 1996 / Clément, C (Royal Inst. Tech., Stockholm)
A presampler prototype has been tested together with a liquid argon accordion shaped calorimeter in beam in June 1996. [...]
ATL-LARG-98-112. - 1998. - 17 p.
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636.
Cosmic Ray test stand at the LMU Munich / Hessey, N P ; Staude, A ; Trefzger, T M
In this note we describe the planned cosmic ray test stand which is foreseen for the quality control of BOS chambers. [...]
ATL-MUON-98-266. - 1998. - 9 p.
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637.
Resolutin Studies of a Prototype Set of High Pressure Monitored / Chikanian, A ; Gratchev, V ; Hill, M ; Huth, J ; Polychronakos, V ; Tcherniatine, V
ATL-MUON-96-121 ; ATL-M-PN-121. - 1996.
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638.
Some remarks on Xe density measurements using absorption method / Jagielski, S ; Koperny, S ; Kowalski, T
In this note the measurement of Xe density in TRT detector based on absorption method is described. [...]
ATL-INDET-98-223. - 1998. - 12 p.
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639.
Summary of the activity of the RADIATION and SHIELDING working group / Cobal, M
The RADIATION and SHIELDING Working Group was setup to study and minimize the radiation level in the ATLAS detector.In this note, the studies and results shown during the meetings of this group are presented. [...]
ATL-TECH-98-034. - 1998.
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640.

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641.
The LARG Slow Control. Status Report / Poggioli, Luc (Paris U., VI-VII)
This note summarizes the evolution of the LARG Slow Control since the TDR in 1996. [...]
ATL-LARG-98-110. - 1998. - 30 p.
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642.
A Method for a Level 2 Muon Trigger for ATLAS. / Baytch, N ; Caram, A ; Shank, J T ; Slowe, C ; Taylor, F ; Zhou, B
A method for a level 2 trigger for the ATLAS muon system in the region 0 < eta 2 is described. [...]
ATL-DAQ-99-003. - 1998. - 30 p.
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643.
Non-Linear MDT Drift Gases like Ar/CO2 / Aleksa, Martin ; Riegler, W
Detailed measurements and simulations have been performed, investigating the properties of Ar/CO2 mixtures as a MDT drift gas. [...]
ATL-MUON-98-268. - 1998.
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644.
Report on Beamtest of 1.3m TRT Module / Baker, O ; Ebenstein, E ; Kline, C ; Luehring, F C ; Manara, A ; Martin, B ; Ögren, H O ; Oh, S ; Rust, D R ; Wang, C
Two ATLAS Barrel TRT protype modules were built in 1997 at Duke University andIndiana University. [...]
ATL-INDET-98-224 ; ATL-COM-INDET-98-019. - 1998.
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645.
A prototype wiring automate for the twister/tango based endplug of the ATLAS muon drift tubes / Dumps, R ; Flegel, W ; Linde, Frank L ; Rosset, C ; Rotil, D ; Massaro, G
ATL-MUON-98-267. - 1998. - 20 p.
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646.
Thermal Module Tests with Irradiated 070 Detectors. / HOWCROFT, C L F (Rutherford)
Four n-in-n detectors were irradiated at KEK to a fluence of 3*1014 protons cm-2. [...]
ATL-INDET-99-001. - 1998. - 21 p.
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647.
Conceptual design of the ATLAS EM muon chamber support structures / Von Boehn-Buchholz, R ; Podkladkin, S ; Tchepournov, V ; Wotschack, J
The conceptual design of the support structures of the EM muon chambers is presented. [...]
ATL-MUON-98-232 ; ATLAS-Internal-Note-MUON-232. - 1998. - 31 p.
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648.
Test Beam Studies of the Gas Mixtures / Deile, M ; Dubbert, J ; Faessler, M A ; Gruhn, Charles R ; Hessey, N P ; Staude, A
ATL-MUON-96-122 ; ATL-M-PN-122. - 1996.
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649.

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650.
Precision physics at LHC / Gianotti, F (CERN)
A large number of precision measurements will be possible with the ATLAS and CMS experiments at the CERN Large Hadron Collider. [...]
ATL-PHYS-99-001. - 1999. - 19 p.
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651.
Performance of the ATLAS Semiconductor Tracking System / Clark, Allan G ; Pickford, A ; Poppleton, A ; Stavropoulos, G D ; Tadel, M
ATL-INDET-98-204 ; ATL-I-PN-204. - 1998.
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652.
Pseudorapidity determination with the electromagnetic end cap calorimeter / Liapis, C (Madrid, Autonoma U.)
Possible improvements in the pseudorapidity determination using the end cap of the electromagnetic calorimeter are examined. [...]
ATL-LARG-2000-005. - 1999. - 20 p.
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653.
A Data Preparation Algorithm for the Precision Tracker LVL2 FEX / Dankers, R J ; Baines, J T M
This is the first of a pair of notes on a precision tracker LVL2 FEX. [...]
ATL-DAQ-99-001. - 1999. - 32 p.
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654.
Endcap Hadronic Calorimeter Offline Testbeam Software: The hec_adc Package Version 3.6 / Lefebvre, M ; O'Neil, D C
Prototypes and first modules of the ATLAS Hadronic Endcap liquid argon calorimeter were subjected to beams in several run periods since 1996. [...]
ATL-LARG-99-002 ; ATLAS-HEC-Note-069. - 1999. - 30 p.
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655.
Total Ionizing Dose Effects in a Xilinx FPGA / Buchanan, N J ; Gingrich, D M ; Green, PW ; MacQueen, D M
We have measured the effects of total ionizing dose on three Xilinx XC4036XL FPGAs. [...]
ATL-LARG-99-003. - 1999. - 7 p.
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656.
Analysis of the1997 Test of the Tilecal Extended Barrel Prototypes / Camarena, F ; González de la Hoz, S
ATL-TILECAL-99-001. - 1999. - 31 p.
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657.
Proposal for an access opening through the barrel muon chambers / Von Boehn-Buchholz, R ; Wotschack, J
A concept for an access opening for inner detector and calorimeter maintenance through the barrel muon chambers is presented. [...]
ATL-MUON-98-233 ; ATLAS-Internal-Note-MUON-233. - 1998. - 4 p.
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658.

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659.
Mechanical Stacking of Muon Drift Tubes into Modules / Ferbel, T ; Manz, A
ATL-MUON-96-123 ; ATL-M-PN-123. - 1996.
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660.
Circline: a least squares-to-circles fitting routine. / Hessey, N P (Munich U.)
MDT tracking uses a straight-line to circles fit very frequently. [...]
ATL-MUON-99-008. - 1999. - 11 p.
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661.

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662.
Vector boson scattering in Chiral Lagrangian model / Myagkov, A (Serpukhov, IHEP)
The process WZ scattering in longitudinal polarization with lljj as final state is investigated in the framework of the Chiral Lagrangian model..
ATL-PHYS-99-006. - 1999. - 9 p.
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663.
Light Yield Measurement of the 1998 Tile Barrel Module0 using muon beams / Némécek, S ; Davidek, T ; Leitner, R
The light yield for each cell of the Tile barrel Module 0 wasmeasured using 1998 test beam data. [...]
ATL-TILECAL-99-003. - 1999.
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664.
Muon Trigger with TileCal. A Preliminary Investigation / Costanzo, D ; Del Prete, T ; Mazzoni, E ; Petridou, C
In this short report we summarize a first analysis on how muon can be identified by exploiting fully the TileCal segmentation [...]
ATL-DAQ-99-002. - 1998. - 11 p.
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665.
A search for excited quarks at the CERN LHC / Cakir, O ; Mehdiyev, R
We have studied the production of excited quarks q* of spin-1/2 predicted by composite models. [...]
ATL-PHYS-99-002 ; ATL-COM-PHYS-99-003. - 1999. - 10 p.
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666.
Single Photoelectron Spectra Analysis for the Metal Dynode Photomultiplier / Tokar, S ; Chirikov-Zorin, I E ; Sykora, I ; Pikna, M
This note deals with a method of single photoelectron analysis for the compactmetal dynode photomultipliers. [...]
ATL-TILECAL-99-005. - 1999. - 22 p.
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667.
Steel absorbers for the Hadronic Tile Calorimeter of the ATLAS Experiment / Davidek, T ; Dolezal, Z ; Leitner, R ; Suk, M ; Tas, P ; Valkár, S ; Lokajícek, M ; Némécek, S ; Slavik, J ; Weichert, J et al.
In this note the measurements and quality control checks on the steel absorbers for the Hadronic Tile Calorimeter of the ATLAS detector are reviewed. [...]
ATL-TILECAL-99-008. - 1999.
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668.
Test of Sliding Window Algorithm fir Jets Reconstruction in ATLAS Hadronic Calorimeters / Mehdiyev, R ; Metreveli, Z V ; Nevski, P ; Salihagic, D
Test of the ``sliding window'' jet finding algorithm has been perfor med for reconstruction of back-to-back jets in barrel and end-cap regions of the ATLAS hadronic calorimeters. [...]
ATL-CAL-99-002. - 1999. - 15 p.
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669.
Analysis of the Quality Control Measurements performed on the Absorbers produced for the Module 0 of the ATLAS Electromagnetic EndCap Calorimeter / Labarga, L ; Romero, P
ATL-LARG-99-004 ; ABS-QAP-2000-QR-A-1. - 1999. - 55 p.
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670.
Drift time and gas quality contrl in drift tubes by using secondary electron emission effect / Borisov, A ; Goryachev, V N ; Kojine, A ; Fakhroutdinov, R ; Zimin, S
ATL-MUON-96-124 ; ATL-M-PN-124. - 1996.
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671.
Study of the determination of the SUGRA parameters using the ATLAS detector in the case of L-violating R parity breaking / Mirea, A ; Nagy, E
Simulating pp collisions at LHC energies in the framework of the SUGRA model and the detection of the produced leptons and jets by ATLAS we demonstrate that a clean signature of SUSY can be obtained over a large domain of the parameter space in the case of L-violating R parity breaking (lambda couplings). [...]
hep-ph/9904354 ; ATL-PHYS-99-007. - 1999. - 52 p.
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672.
$H^0 \rightarrow Z^0 \gamma$ channel in ATLAS. \\ A study of the Standard Model and \\ Minimal Supersymmetric SM case / Kiourkos, S ; Schwindling, J
One of the potentially accessible decay modes of the Higgs boson in the mass region $100 < m_H < 180$ GeV is the $H^0 \rightarrow Z^0 \gamma$ channel. [...]
ATL-PHYS-99-010. - 1999. - 15 p.
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673.
Combined Analysis of A->tautau Events from Direct and Associated bbA Production / Cavalli, D ; Resconi, S
ATL-PHYS-2000-005. - 1998. - 29 p.
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674.
Offline Alignment and Calibration of the Inner Detector / Haywood, S (Rutherford)
We examine the possibility of understanding the ID alignment and calibration sufficiently well to allow a 20 MeV Mw measurement..
ATL-INDET-2000-005. - 1999. - 21 p.
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675.
Photon Identification with the ATLAS Detector / Wielers, M
WARNING: This note was not updated for a long time and will soon undergo heavy changes. [...]
ATL-PHYS-99-016. - 1999.
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676.
Uniformity of the 1996 Barrel Module 0 response to muons and pions: Test Beam data and MC simulation / Varanda, M ; Maio, A ; Henriques, A
The uniformity of the Barrel Module 0 light yield was studied using three sources of information: 180GeV muons impinging the module 0 at 90 degrees, the Cesium source and the light yield calculated using a parametrization for tiles and fibres. [...]
ATL-TILECAL-99-006. - 1999. - 23 p.
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677.
Intra and Inter-IOM Ccommunications Summary Document / Ambrosini, G ; Beck, H P ; Cetin, S A ; Conka, T ; Fernandes, A ; Francis, D ; Joos, M ; Lehmann, G ; Mailov, A ; Mapelli, L et al.
This document summarises the work performed, within the context of the DAQ-Unit of the DataFlow system in ATLAS DAQ/EF prototype -1 on intra and inter-Input/Output Module (IOM) message passing. [...]
ATL-DAQ-2000-051. - 1999.
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678.
Measurement of the interaction length of pions and protons in the TileCal Module 0 / Krivkova, P ; Leitner, R
The ratio of the interaction lengths for pions and protons in ATLAS iron-scintillator tile calorimeter was measured. [...]
ATL-TILECAL-99-007. - 1999.
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679.
Acceptable Values of Resistances on Electrodes of the ATLAS e.m. Calorimeter / Bonivento, W ; Lacour, D
This note presents the acceptable values of resistances on kapton electrodes. [...]
ATL-LARG-99-019. - 1999.
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680.
bipolar versus unipolar shaping of MDT signals / Riegler, W ; Aleksa, Martin
The MDT frontend electronics scheme, as presented in the TDR, was optimized for fast liner gases like Ar/N2/CH4 91/4/5, but since these gases contain hydrocarbons which seem to be responsible for aging problems, the current baseline gas is Ar/CO2 93/7 which shows nice aging properties but is slower and very nonlinear. [...]
ATL-MUON-99-003. - 1999. - 21 p.
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681.
A Proposal for the ATLAS MUON Spectrometer (AMS) Detector C Control System (DCS) / Dris, M ; Filippas-Tassos, A ; Gazis, E N ; Rahmani, H ; Stiliaris, E
ATL-MUON-96-125 ; ATL-M-PN-125. - 1996.
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682.
Observability of Standard Model Fourth Family Quarks at CERN-LHC / Arik, E ; Cetin, S A ; Conka, T ; Mailov, A ; Sultansoy, A
We have studied the possible decay channels in which the fourth family quarks will be observed in ATLAS detector. [...]
ATL-PHYS-99-005. - 1999. - 21 p.
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683.
Report on Feasibility of 0 degrees Tilt Angle in the SCT Barrel / Barbier, G ; Clark, Allan G ; Perrin, E
ATL-INDET-99-004. - 1999. - 7 p.
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684.
Comments on "the Forward SCT Layout" / Clark, Allan G ; Jones, T ; Poppleton, A
ATL-INDET-99-002. - 1999. - 23 p.
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685.
Status Report on Cooling Activities involving the University of Geneva / Barbier, G ; Bouvier, P ; Clark, Allan G ; Perrin, E ; Weber, M
ATL-INDET-99-003. - 1999. - 21 p.
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686.
Description and Performances of the Electrical Test Benches for Readout Electrodes of the ATLAS EM Calorimeter / Astesan, F ; Canton, B ; Lacour, D ; Rossel, F
This note describes the different benches proposed by the LPNHE-Paris group to test the electrical properties of ATLAS Liquid Argon calorimeter electrodes. [...]
ATL-LARG-99-005. - 1999.
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687.
Measuring Vtb via s-channel Single Top at ATLAS / O'Neil, D C ; González-Pineiro, B ; Lefebvre, M
The production of single top quarks via the electroweak interaction promises to provide new opportunities to both test the Standard Model and search for new physics. [...]
ATL-PHYS-99-011. - 1999.
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688.
Global Pattern Recognition in the TRT for B-Physics in the ATLAS Trigger / Baines, J T M ; Bock, R ; Hinkelbein, C ; Kugel, A ; Männer, R ; Müller, M ; Sessler, M ; Singpiel, H ; Smizanska, M
the hardware and to me
ATL-DAQ-99-012 ; ATL-DAQ-99-007. - 1999.
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689.
Tungsten Alloy Outgassing Measurements / Rutherfoord, John P ; Savin, A ; Shaver, L
Tungsten alloys have not seen extensive use in liquid argon calorimeters so far. [...]
ATL-LARG-99-007. - 1999. - 10 p.
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690.
Reconstruction of quasi-stable charged sleptons in the ATLAS Muon Spectrometer / Polesello, G ; Rimoldi, A
This note summarizes the work done on the reconstruction of quasi stable charged sparticles in the ATLAS Muon Spectrometer. [...]
ATL-MUON-99-006. - 1999.
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691.
TRT Trigger Performance in the Solenoidal Magnetic Field / Sivoklokov, S Yu (SINP, Moscow)
The effect of the solenoidal magnetic field for the existing Level 2 Trigger TRT tracking algorithms has been studied in comparison with the ideal solenoid homogeneous field. [...]
ATL-INDET-99-005. - 1999. - 16 p.
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692.
On the Number of Layers per Multilayer in MDT chambers Part I / Laporte, J F ; Chavalier, L ; Guyot, C ; Virchaux, M
ATL-MUON-96-126 ; ATL-M-PN-126. - 1996.
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693.
MSSM Higgs decay to top quarks / González de la Hoz, Santiago (Valencia U., IFIC)
A study of the decay channel H/A -> tt is presented, where H/A are the neutral Higgs bosons predicted by the MSSM model..
ATL-PHYS-2000-006. - 1999. - 29 p.
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694.
Measurements of Silicon Detector Thermal Runaway / Heusch, C A ; Holodenko, A G ; Moser, H G
We measured thermal runaway properties of previously irradiated silicon detectors cooled by TPG bars. [...]
ATL-INDET-99-015. - 1999. - 12 p.
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695.
A Minimum Set of Measurements to be made on the Application Testbeds. Version 1.0
We summarise the measurements to be carried out on the ATLAS second level trigger application testbeds. [...]
ATL-DAQ-99-005. - 1999. - 10 p.
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696.
Identification of high pT electrons by the Second Level Trigger of ATLAS / Baines, J T M ; George, S ; González, S ; Sivoklokov, S Yu
In the trigger, electron identification is performed within Regions of Interest (RoI) identified by the first level (LVL1) trigger. [...]
ATL-DAQ-2000-003. - 1999.
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697.
Performance of a LVL2 Trigger Feature Extraction Algorithm for the Precision Tracker. / Baines, J T M ; Dankers, R J ; Sivoklokov, S Yu
An algorithm to search for isolated high pT tracks in the ATLAS precision tracker suitable for use in the LVL2 trigger is described. [...]
ATL-DAQ-99-013. - 1999.
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698.
Measurement of Masses in SUGRA Models at LHC / Bachacou, H ; Hinchliffe, Ian ; Paige, FE
This note presents new measurements at ``Point 5'' in the minimal SUGRA model with $m_0=100\,\GeV$, $\mhalf=300\,\GeV$, $A_0=0$, $\tan\beta=2$, and $\sgn\mu=+$ based on four-body distributions from three-step decays and on minimum masses in such decays. [...]
ATL-PHYS-2000-010. - 1999. - 27 p.
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699.
Measurements in SUGRA Models with Large $\tan\beta$ at LHC / Hinchliffe, Ian ; Paige, F
We present an example of a scenario of particle production and decay in supersymmetry models in which the supersymmetry breaking is transmitted to the observable world via gravitational interactions. [...]
ATL-PHYS-2000-009. - 1999. - 17 p.
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700.
The Readout Tests of Freiburg Hybrids using ABCD chips / Dolezal, Z ; Hornung, M ; Ketterer, C ; Ludwig, J ; Rieth, G ; Rogalla, M ; Runge, K ; Unno, N
New SCT forward hybrids have been completed in Freiburg. [...]
ATL-INDET-99-006. - 1999. - 20 p.
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701.
The tracker system of the H8 muon test beam / Creti, P ; Cambiaghi, M ; Ferrari, R ; Fraternali, M ; Gaudio, G ; Lanza, A ; Livan, M ; Moroni, V ; Bagnaia, P ; Bini, C et al.
The H8 test beam setup has been equipped with a tracking system, able to reconstruct the track position in the MDT chambers under test with an accuracy of <= 50 microns over a large area. [...]
ATL-MUON-99-005. - 1999. - 12 p.
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702.
Prospect of Studies with QCD Jets in ATLAS / Stenzel, H ; Tapprogge, Stefan
The understanding of QCD dijet and multijet events is crucial for most of the searches to be carried out at LHC. [...]
ATL-PHYS-2000-003. - 1999.
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703.
Note on Noise Contribution of the Termination Resistor in the MDTs / Huth, J ; Liu, A ; Oliver, J
ATL-MUON-96-127 ; ATL-M-PN-127. - 1996.
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704.
Studies of Hard Diffraction in ATLAS / Battistoni, G ; Tapprogge, Stefan
This note summarizes the results of the first studies on hard single diffraction and hard central diffraction in the LHC environment for the ATLAS detector. [...]
ATL-PHYS-2000-004. - 1999.
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705.
Selection of high-pT electromagnetic clusters by the Second Level Trigger of ATLAS / González, S ; Hansl-Kozanecka, Traudl ; Wielers, M
In a scheme being considered for the Atlas Second Level (LVL2) trigger, the electron and photon triggers share the selection of electromagnetic clusters. [...]
ATL-DAQ-2000-002. - 1999.
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706.
MC event generators and their predictions for minimum bias events at LHC energies / Kupco, A (Prague, Inst. Phys.)
The prediction of several MC event generators (Pythia, Phojet, Herwig, and Isajet) for minimum bias events at LHC energies are presented here. [...]
ATL-PHYS-99-019. - 1999.
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707.
Study of noise in the November 1998 barrel run / Zitoun, R (Annecy, LAPP)
This note presents the results of a comprehensive noise study in the november 1998 run..
ATL-LARG-99-006. - 1999. - 14 p.
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708.
Measurement of the top quark mass in the inclusive lepton plus jets channel / Grenier, P ; Pallin, D ; Rosnet, P ; Says, LP
ATL-PHYS-99-026. - 1999.
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709.
Absolute Mass Scale Calibration Using Z->mumu / Aleksa, Martin (CERN)
Detailed simulations have been performed, investigating the possibility of calibrating the absolute mass scale of the muon spectrometer by using Z->mumu A sample of 10000 events was processed through DICE/ATRECON applying different scale factors to the magnetic field as a function of phi and eta. [...]
ATL-MUON-99-001. - 1999.
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710.
Obtaining the Space-Time Relationship of Drift Tubes from the Drift-Time Spectrum / Deile, Mario ; Hessey, Nigel Paul
Autocalibration of MDT chambers requires a good start-value for the space-time relation\-ship. [...]
ATL-MUON-99-002. - 1999. - 16 p.
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711.
Precise measurement of the energy loss spectrum of 180 GeV muons in the iron absorber of the TILECAL Module 0 / Leitner, R (Charles U.)
The energy loss spectrum of 180 GeV muons has been measured with the setup of the Module 0 and prototypes of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS [...]
ATL-TILECAL-99-009. - 1999. - 15 p.
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712.
Studying the physics beyond the Standard Model in rare semileptonic B-decay B--> K* mu+ mu- with ATLAS detector / Melikhov, D ; Nikitin, N V ; Rizatdinova, F K ; Smirnova, L
The different analytical expressions for matrix element for B^0_d --> K^*0 mu+ mu- were implemented into PYTHIA and compared with results obtained with standard PYTHIA matrix element. [...]
ATL-PHYS-98-123. - 1998.
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713.
Top and W polarization in EW top production at LHC / González-Pineiro, B ; Brock, R ; O'Neil, D C ; Lefebvre, M
The SM predicts a high degree of polarization of the top quarks produced via the electroweak interaction. [...]
ATL-PHYS-2000-017. - 1999.
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714.
Results from the M-2 test beam using the "flower" MDT's / Gavris, G ; Ioannou, P ; Kourkoumelis, C ; Papadopoulos, I M
ATL-MUON-96-128 ; ATL-M-PN-128. - 1996.
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715.
Test of the per-fluorocarbon cooling system with the Tile Hadron calorimeter of ATLAS / Berry, S ; Bonneau, P ; Bosteels, Michel ; Hallewell, G D ; Bonnefoy, R ; Chadelas, R ; Rosnet, P ; Saigne, R
ATL-TILECAL-99-010. - 1999.
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716.
Improvements to the Level-1 muon trigger giving increased robustness against backgrounds
ATL-DAQ-99-008. - 1999.
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717.
LHC Guide to Parton Distributions and Cross Sections / Huston, J (Michigan State U.)
This ATLAS note is intended to serve as a pedagogical guide on the determination of, the proper use of, and the uncertainties of parton distributions and their impact on physics cross sections at the LHC. [...]
ATL-PHYS-99-008. - 1999. - 53 p.
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718.
Investigation of Momentum Resolution in Straight vs Bent Large End-Cap Chambers / Levin, D S
We report on a calculation of momentum resolution for muons incident on the large end-cap chambers. [...]
ATL-MUON-2000-001. - 1999. - 25 p.
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719.
The Thermal Performance of Forward SCT Module Prototypes / Freestone, J ; Snow, S W ; Thompson, RJ
Performance of TPG spine and composite spine modules are measured One variant of the composite spine design exceeds 220 W/m sqared at 0C..
ATL-INDET-99-007. - 1999. - 12 p.
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720.
Pile-up Simulation for Atlas Calorimeters / Simion, S (CERN)
This is a technical description of the pile-up simulation code..
ATL-SOFT-99-001 ; ATLAS SOFT-36. - 1998. - 5 p.
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721.
Measurement of the LSP mass in supersymmetric models with R-parity violation / Drage, L ; Parker, M A
This note will describe the work done on R-parity violating supersymmetric process using Herwig 6.1 and ATLFAST. [...]
ATL-PHYS-2000-007. - 1999.
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722.

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723.
Discovery potential of a heavy Standard Model Higgs boson trough the H->ZZ->llnunu channel at the LHC with the ATLAS detector / Ruiz, H (Barcelona, IFAE)
The discovery potential of the ATLAS detector for the heavy Standard Model Higgs in the channel H->ZZ->llnunu is presented. [...]
ATL-PHYS-2002-027. - 1999.
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724.
Full and fast simulation and reconstruction of Higgs decay channels with multi-b-jet final states / Cavalli, Donatella ; Sapinski, Mariusz
Channels with multi-b-jet final states might be important for discovery of Higgs boson in ATLAS experiment on LHC. [...]
ATL-PHYS-2000-033. - 1999.
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725.

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726.
Precision measurements in the MSSM Higgs sector with ATLAS / Mitsou, V A (CERN ; Athens U.)
The Higgs sector in the MSSM is expected to be explored with ATLAS at the LHC in various decay channels, if supersymmetry exists. [...]
ATL-PHYS-2000-021. - 1999.
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727.
Observability of the h-->bb channel in cascade decay of SUSY particles within the SUGRA model / Mitsou, V A (CERN ; Athens U.)
The possibility of observing the lightest scalar Higgs boson through the decay h->bb is studied within the SUGRA constrained MSSM model. [...]
ATL-PHYS-99-017. - 1999.
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728.
Analysis of Test-beam Data, Obtained with Module Zero of Hadron End-Cap Calorimeter / Minaenko, A A (Munich, Max Planck Inst.)
Beam tests of the module zero of the LAr hadron end-cap calorimeter were carried out during two periods in April and August 1998. [...]
ATL-LARG-99-011. - 1999.
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729.
ATLAS Experiment Sensitivity to the Flavor-Changing Neutral Currents Decay t--> Zq / Chikovani, L D ; Djobava, T D
The sensitivity of ATLAS experiment to the Branching ratio of the top-quark rare decay via flavor-changing neutral currents t-->Zq (where q represents the c and u quarks) has been studied at \sqrt{s}= 14 TeV in two decay modes: 1. [...]
ATL-PHYS-2001-007. - 1999.
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730.
Search for H-->gamgam in association with jets / Zmushko, S V
Search for H-->gamgam in association with jets is discussed [...]
ATL-PHYS-99-014. - 1999.
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731.
Study of ATLAS Sensitivity to Rare Top Quark Decays / Dodd, J ; McGrath, S ; Parsons, J
Placeholder
ATL-PHYS-2003-016 ; ATL-COM-PHYS-99-039. - 1999.
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732.
Electron Analysis with the DIRAC digitizers in 1998 Module0 test beam / Cobal, M ; Némécek, S
Results are reported on the electron analysis performed with the 1998 Tilecal Module0 test beam data, using the new DIRAC digitizers..
ATL-TILECAL-99-015. - 1999.
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733.
Electron/Jet Separation with the ATLAS detector / Pralavorio, Pascal (Marseille, CPPM)
Results on the single and inclusive electron reconstruction efficiency as well as the rejection capability against QCD-jets with the ATLAS detector are presented [...]
ATL-PHYS-99-015. - 1999. - 15 p.
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734.
A STUDY OF THE JET ENERGY RECONSTRUCTION / Lefèvre, R ; Santoni, C
Results of a study of the jet energy reconstruction in the ATLAS detector are reported. [...]
ATL-PHYS-2001-011. - 1999.
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735.
Tagging b-jets using low-pt electrons (full rapidity range) / Kaczmarska, A (Cracow, INP)
This note presents an extension of a previous study on the expected performance of b-jet tagging in ATLAS experiment using low-pt electrons from semileptonic b-quark decays. [...]
ATL-PHYS-2000-012. - 1999.
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736.
Muon production in a single pion showering of (5:500) GeV/c momenta inside (8:14) gamma absorber / Cheplakov, A P ; Kriushin, A ; Saint-Denis, R
ATL-MUON-92-013 ; ATL-M-PN-13. - 1992.
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737.
Finite Element Analysis of the Vibration Problem for ATLAS MDT Chamber. Part.1 / Baliev, L ; Borisov, A
ATL-MUON-96-130 ; ATL-M-PN-130. - 1996.
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738.
Measuring the rate of non-resonant high mass longitudinal gauge boson pairs in ATLAS / Azuelos, Georges ; Mazini, R ; Myagkov, A
In the absence of a low mass Higgs or new resonances, models for the regularization of vector boson scattering at high energy constrain the production rate of longitudinal vector boson pairs. [...]
ATL-PHYS-99-023. - 1999.
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739.
Top anti-top quark spin correlations and the potential of observation of CP volation in the production vertex / Simák, V ; Smolik, J ; Lagatta, A
Heavy quarks have special properties. [...]
ATL-PHYS-2000-032. - 1999.
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740.
Charged Pion Energy Reconstruction in the ATLAS Barrel Calorimeter / Bosman, M. (Barcelona, IFAE) ; Kulchitsky, Y. (Dubna, JINR ; Minsk, Inst. Phys.) ; Nessi, M. (CERN)
Intrinsic performance of the ATLAS calorimeters in the barrel region with respect to charged pions was studied. [...]
hep-ex/0002033 ; JINR-E1-2000-31. - 1999. - 17 p.
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741.
Jet reconstruction in the ATLAS Barrel Calorimeter / Sjölin, J (Stockholm U.)
Monte Carlo simulated light quark dijet events are investigated in the ATLAS Central and Extended Barrel calorimeters covering the pseudorapidity up to 1.7. [...]
ATL-TILECAL-2000-009. - 1999.
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742.
Results of the Analysis of the August 1998 Material Runs with Silicon Telescope / Kortner, O ; Deile, M ; Hartmann, M ; Hessey, N P ; Staude, A ; Ostapchuk, A Ya
The muons produced at LHC will pass through a large amount of matter before they enter the muon chambers. [...]
ATL-MUON-99-009. - 1999. - 14 p.
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743.
Bunch-Crossing Identification for saturated calorimeter signals / Pfeiffer, Ullrich ; Hötzel, Wolfgang
This paper describes an algorithm, which will be implemented in the Preprocessor ASIC of the ATLAS Level-1 Calorimeter trigger. [...]
ATL-DAQ-99-009. - 1999. - 26 p.
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744.
Combined Analysis of A/H to mu+mu- Events from Direct and Associated bbA Production / Cavalli, D ; Bosatelli, P
ATL-PHYS-2000-001. - 1999.
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745.
Barrel Module0 Autopsy / Cobal, M ; Di Girolamo, B ; Nessi, Marzio ; Blanch, O ; Zamora, Y
Using the information from the Cs calibration runs, many of the problems affecting the response of the barrel Module0 prototype have been spotted out. [...]
ATL-TILECAL-99-016. - 1999.
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746.
Validation of proposed cooling design for the TRT end-cap front-end electronics / Andersson, M ; David, E ; Godlewski, J
This report demonstrates that the connectors between the TRT end-cap front-end electronics boards are not sufficient as a thermal passage for the heat generated by the electronics. [...]
ATL-INDET-99-008. - 1999. - 26 p.
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747.
Conclusions of the workshop on the ATLAS requirements on shower models / Bosman, M ; Di Ciaccio, A ; Efthymiopoulos, I ; Froidevaux, D ; Gianotti, F ; Kiryunin, A E ; Knobloch, J ; Loch, P ; Osculati, B ; Perini, L et al.
The workshop addressed the question of shower models/packages and related issues needed for the simulation of ATLAS physics and test beam data. [...]
ATL-PHYS-2002-001. - 1999.
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748.
Resistive Plate Chambers in ATLAS / Alviggi, M G ; Bagnaia, P ; Camarri, P ; Cardarelli, R ; Ciaccio, A ; Creti, P ; De Asmundis, R ; Gorini, E ; Primavera, M ; Pontecorvo, L et al.
ATL-MUON-96-131 ; ATL-M-PN-131. - 1996.
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749.
A measurement of the photonuclear interactions of 180 GeV muons with the TILECAL Module and prototypes / Leitner, R (Charles U.)
The energy spectrum and the cross section of photonuclear interactions of 180 GeV muons in iron has been measured with the setup of the Module 0 and prototypes of the ATLAS hadron calorimeter in the H8 beam of the CERN SPS. [...]
ATL-TILECAL-99-011. - 1999. - 13 p.
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750.
Simulation of Photomultiplier Response / Fedorko, I ; Tokar, S ; Chirikov-Zorin, I E
A code for simulation of photomultipier response was created and tested for a broad range of photomultiplier gain, A reasonably good agreement between the experimental R5900 spectra and simulated ones was achieved. [...]
ATL-TILECAL-99-012. - 1999. - 17 p.
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751.
PRODUCTION AND DECAY PROPERTIES OF THE PSEUDOSCALAR QUARKONIUM / Arik, E ; Cetin, S A ; Conka-Nurdan, T ; Mailov, A ; Sultansoy, S F
Among the possible fourth family quarkonia states, eta_4 (^{1}S_{0}) pseudoscalar state is the most promising one for observation at LHC-ATLAS experiment. [...]
ATL-PHYS-2000-002. - 1999. - 17 p.
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752.
Search for Technicolor Signals with the ATLAS Detector / Azuelos, Georges ; Depommier, P ; Mazini, R ; Strahl, K
The discovery potential of multiscale technicolor resonances in ATLAS is studied in a low luminosity scenario [...]
ATL-PHYS-99-020. - 1999.
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753.

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754.
On radiation damage by thermal neutrons to the ATLAS SCT detectors / Moszczynski, A ; Gadomski, S ; Dabrowski, W
In addition to other radiation, the modules of the ATLAS SCT will be exposed to a flux of thermal neutrons of the order of 10^13 particles/cm2/year when the mach ine luminosity reaches L=10^34/cm2/s [1]. [...]
ATL-INDET-99-009. - 1999. - 8 p.
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755.
A study of the associated production WH, H-->WW-->lnulnu / Jakobs, K (Mainz U., Inst. Phys.)
In the present note the associated production WH, H-->WW-->lnulnu is studied. [...]
ATL-PHYS-2000-008. - 1999.
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756.
Views on the Status and Future of ATLAS Computing / Knobloch, J
A number of tasks planned in the CTP could not yet be fulfilled due to lack of resources. [...]
ATL-SOFT-99-002. - 1999.
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757.
Mechanical precision of the BMl98 / Cerioni, S ; Curatolo, M ; Esposito, B ; Maccarrone, G
The BML 98 has been measured on the X-ray Cern facility. [...]
ATL-MUON-99-007. - 1999. - 10 p.
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758.
Report on Long Tube Operational Stability Studies / Thun, Rudi ; Zhou Bing
Studies of central wire locators in long ATLAS MDT tubes was carried out at University of Michigan showing that the locartor is not necessary..
ATL-MUON-2000-018. - 1999.
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759.
X-Ray Study of the Seattle Muon Tube Wire Positions / Mockett, P M (Washington U., Seattle)
ATL-MUON-96-132 ; ATL-M-PN-132. - 1996.
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760.
Ageing studies for the ATLAS MDT's using Ar-CO2 90-10 / Paschhoff, V ; Spegel, M
Ageing studies for drift tubes of the Atlas muon system were performed using the 740 GBq 137Cs source of the general irradiation facility (GIF) at the X5 beam line at CERN. [...]
ATL-MUON-2000-004. - 1999. - 5 p.
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761.
Atlas Barrel Tile Calorimeter spacers plates mass production / Artikov, A ; Budagov, Yu A ; Khubua, J I ; Lebedev, A ; Lyablin, M V ; Lomakin, Yu F ; Rusakovitch, N A ; Shabalin, D E ; Shchelchkov, A S ; Sissakian, A N et al.
In this article we expose the main problems of the mass production of the socalled "spacer plates" for the Atlas Barrel Hadron Calorimeter. [...]
ATL-TILECAL-99-014 ; JINR-E1-99-79. - 1999. - 32 p.
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762.
Optimisation of ROB mapping for SCT and Pixel detectors / Wheeler, S
A simple object-oriented program has been written to simulate the SCT and Pixel detectors in order to determine the suitability of various ROB mapping schemes in the context of the Level 2 trigger. [...]
ATL-DAQ-99-006. - 1999. - 23 p.
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763.
Pattern Recognition in the TRT for the ATLAS B-Physics Trigger / Baines, J T M ; Bock, R ; Hinkelbein, C ; Kugel, A ; Männer, R ; Müller, M ; Sessler, M ; Simmler, H ; Singpiel, H ; Smizanska, M
The current B-physics trigger strategy in LVL2 starts with a scan of the full volume of the TRT to reconstruct all tracks with pT > 0.5 GeV. [...]
ATL-DAQ-99-007 ; ATL-DAQ-99-012. - 1999. - 55 p.
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764.
Summary of ATLAS milestones / Wells, P S (CERN)
ATL-GEN-99-001 ; CERN-LHCC-99-24. - 1999.
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765.
Drift Velocity of Free Electrons in Liquid Argon / Walkowiak, W (Mainz U., Inst. Phys.)
A measurement of the drift velocity of free electrons in liquid argon has been performed. [...]
ATL-LARG-99-008. - 1999. - 11 p.
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766.
Irradiation of the TC255P CCD by Fast Neutrons Part 2 / Hashemi, K S ; Bensinger, J
The first time we irradiated TC255Ps with fast neutrons was in April, 1998, at the University of Massachusetts facility in Lowell, USA. [...]
ATL-MUON-2000-011. - 1999. - 8 p.
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767.
Optics Studies of TILECAL Barrel Modules0 with the Cs source datacollected in 98. / Blanch, O ; Vichou, I
ATL-TILECAL-99-023. - 1999. - 17 p.
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768.
Comparison between a specific light source (a blue LED) and the standard Cs Calibration signal at IFAE. / Blanch, O ; Delfino, M C ; Ostankov, S
ATL-TILECAL-99-024. - 1999. - 42 p.
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769.
Liquid Argon Pollution Tests of the ATLAS Detector Materials at IBR-2 Reactor in Dubna / Leroy, C ; Borzunov, Yu T ; Cheplakov, A P ; Chumakov, V ; Golikov, V ; Golovanov, L B ; Golubyh, S M ; Kukhtin, V ; Kulagin, E ; Luschikov, V et al.
A cold test facility has been in operation since October 1998 at the IBR-2 reactor of JINR, Dubna. [...]
ATL-LARG-99-010. - 1999. - 17 p.
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770.
Report on Muon Electronics Review / Anghinolfi, F ; Efthymiopoulos, I ; Ellis, Nick ; Farthouat, Philippe ; Williams, B
ATL-MUON-96-133 ; ATL-M-PN-133. - 1996.
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771.
The quality control of WLS fibres in Pisa / Burdin, S ; Cavasinni, V ; Del Prete, T ; Mazzoni, E ; Usai, G L ; Vasilev, A
We report on the WLS fibre quality control (QC) procedure developed in Pisa. [...]
ATL-TILECAL-99-013. - 1999. - 14 p.
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772.
Comparison of LED and Cs Data Signals for the ANL Optical Test Module / Stanek, B ; Zelitch, S
A set of calibration tests was run on the Argonne optical test module using both Cs and blue LED sources. [...]
ATL-TILECAL-99-017. - 1999. - 20 p.
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773.
Multilanguage Package of slow control programs for the ATLAS Hadronic End-Cap Calorimeter Test Beam Experiment / Sytnik, V V
In this article the package of slow control applications for the Liquid Argon (LAr) Hadronic End-Cap Calorimeter (HEC) test beam set-up is described. [...]
ATL-LARG-99-009. - 1999. - 7 p.
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774.
Bias dependent radiation damage in high resistivity silicon diodes irradaiated with heavily charged particles / Cindro, V ; Kramberger, G ; Mikuz, M ; Tadel, M ; Zontar, D
Planar diodes were irradiated with neutrons and pions to different fluences. [...]
ATL-INDET-99-010. - 1999.
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775.
Operation of Narrow Gap RPC with Tetrafluoroethane Based Mixture. / Ammosov, V ; Ivanilov, A ; Koreshev, V ; Sviridov, Yu ; Zaetz, V G ; Semak, A
Charge, fired strip multiplicity and arrival time distributions for the induced signal were investigated for the $2 ~mm$ gap RPC operating with several tetrafluoroethane ($C_{2}H_{2}F_{4}$) based mixtures with variation of isobutane ($iC_{4}H_{10}$) and sulphur hexafluoride ($SF_{6}$) concentrations. [...]
ATL-MUON-99-010. - 1999. - 15 p.
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776.
Performance and characteristics of the barrel presampler / Hostachy, JY ; Belhorma, B ; Collot, J
The performance of the barrel presampler has been checked both at the ISN-Grenoble (specific liquid nitrogen test bench) and at CERN in liquid argon [...]
ATL-LARG-99-012. - 1999. - 32 p.
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777.
Analysis of the X-Ray Tomograph Data of the BOS MDT Prototype Chamber / Kroha, H ; Manz, A ; Ostapchuk, A Ya
The complete X-ray tomograph data of the BOS MDT prototype chamber for the ATLAS muon spectrometer have been analyzed. [...]
ATL-MUON-2000-015. - 1999. - 31 p.
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778.
Quality Assurance and Control Reference Document for ATLAS MDT Chamber Construction / Kroha, H (Munich, Max Planck Inst.)
Guidelines for the implementation of the quality assurance and quality control procedures during the construction of the Monitored Drift Tube (MDT) Chambers for the ATLAS Muon Spectrometer [...]
ATL-MUON-2000-008. - 1999.
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779.
Search for new gauge bosons and right-handed Majorana neutrinos in $pp$ collisions at $\sqrt{s}$~=~14 TeV / Collot, J ; Ferrari, A
In the theoretical framework of the Left-Right Symmetric Model, we report on the discovery potential for new charged gauge bosons ($W_{R}^{+}$ and $W_{R}^{-}$) as well as right-handed Majorana neutrinos ($N_{l}$) at the future LHC. [...]
ATL-PHYS-99-018. - 1999. - 20 p.
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780.

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781.
Resolution studies of the MPI 4x4x100 MDT with the M2 testbeam data / Gavris, G ; Petridou, C ; Mystakidis, A
ATL-MUON-96-134 ; ATL-M-PN-134. - 1996.
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782.
Outgassing studies of materials for the TRT construction / Guarino, F ; Ilie, S ; Romaniouk, A ; Soutchkov, S ; Tartarelli, F
Systematic outgassing studies of 7 materials and 10 glues candidates to be used in the construction of the TRT are persented. [...]
ATL-INDET-99-011. - 1999. - 22 p.
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783.
Identification of jets with muon in the Tile calorimeter / Davidek, T (Charles U.)
The identification of b-jets is important for large spectrum of physics processes, which will be studied in the ATLAS experiment. [...]
ATL-TILECAL-99-018. - 1999. - 14 p.
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784.
A study of the ATLAS barrel presampler performance / Ferrari, A (Grenoble, CEN)
This note presents the performance of the ATLAS barrel presampler, as obtained from full simulation and reconstruction of single particle events in the whole electromagnetic calorimetry system. [...]
ATL-LARG-99-016. - 1999. - 13 p.
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785.

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786.
Temperature dependence of the MDT gas gain / Gaudio, G ; Nöding, C ; Treichel, M
This note describes the measurements taken in the Gamma Irradiation Facility (GIF) in the X5 test beam area at CERN to investigate the temperature dependence of the MDT drift gas (Ar/CO2 - 90:10). [...]
ATL-MUON-2000-003. - 1999. - 5 p.
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787.

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788.
Detector and Read-Out Specification, and Buffer-RoI Relations, for Level-2 Studies / Clarke, P ; Falciano, S ; Le Dû, P ; Lane, J ; Abolins, M ; Schwick, C ; Wickens, F J (RAL Chilton)
This note, an update to DAQ Note 62, is intended to summarise the present state of knowledge of the modularity, eta-phi ranges, channel count and segmentation of each detector into the RODs and hence ROBs. [...]
ATL-DAQ-99-014. - 1999. - 47 p.
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789.
Rho_T Production via W_L Z_L Fusion at Hadronic Colliders / Azuelos, Georges ; Mazini, R ; Slabospitsky, S R
Multiscale technicolor models predict the existence of high mass resonances at hadron colliders [...]
ATL-PHYS-99-021. - 1999. - 14 p.
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790.
The ATLAS Silicon Pixel Sensors / Alam, M S (SUNY, Albany) ; Ciocio, A ; Einsweiler, K F ; Emes, J ; Gilchriese, M G D ; Joshi, A ; Kleinfelder, S A ; Marchesini, R ; McCormack, F ; Milgrome, O et al.
Prototype sensors for the ATLAS silicon pixel detector have been developed. [...]
ATL-INDET-99-012 ; CERN-EP-99-152. - 2001. - 34 p.
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791.
Data analysis of the ATLAS EMEC module 0 calorimeter september 1998 beam test / García, G
This note contains a detailed analysis of the beam test done with an ATLAS EMEC module at the CERN SPS facility in September 1998..
ATL-LARG-99-017. - 1999.
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792.
Autocalibration of high precision drift tubes / Bacci, C ; Bini, C ; Cambiaghi, M ; Casselotti, G ; Ciapetti, G ; Conta, C ; De Zorzi, G ; Fraternali, M ; Gauzzi, P ; Lacava, F et al.
ATL-MUON-97-135 ; ATL-M-PN-135. - 1997.
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793.
Study of the performance of the Level-1 Pt-miss Trigger / Dubitzky, R S ; Jakobs, K
In the present note the performance of the proposed ATLAS-Level 1-Etmiss trigger is presented. [...]
ATL-DAQ-99-010. - 1998. - 17 p.
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794.
Brandeis Image Analysis Libraries / Hashemi, K S (Brandeis U.)
We have prepared a library of image analysis routines for PCs running Windows 95/98/NT, and another for Macintoshes running MacOS. [...]
ATL-MUON-99-011. - 1999. - 24 p.
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795.
Straightness measurements of ATLAS TRT long straws / Mitsou, V A ; Mouraviev, S V ; Perez-Gomez, F ; Schillinger, C
A new method for the long straw straightness measurements is described. [...]
ATL-INDET-99-013 ; ATL-IT-TR-0002. - 1999. - 10 p.
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796.
Design and performance of an integrated pulse generator for the LARG calibration system / Marschalkowski, E ; Gärtner, V ; Jakobs, K ; Schäfer, U
The design and the results on the performance of an integrated version of the pulse generator of the liquid argon calibration system are presented. [...]
ATL-LARG-99-013. - 1999. - 14 p.
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797.
Monitoring of the Assembly of the BOS 98 Prototype MDT Chamber / Kroha, H ; Manz, A ; Ostapchuk, A Ya ; Schael, S
A detailed description of the monitoring procedures and results during the construction of the BOS 98 prototype MDT chamber is given. [...]
ATL-MUON-2000-013. - 1999. - 31 p.
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798.
Lead Matching and Consequences on the EM Module 0 Constant Term / Fleuret, F ; Laforge, B ; Schwemling, P
We present in this note the mathematical algorithms that have been used to sort and pair the lead plates during the construction of the Module 0 of the Liquid Argon barrel calorimeter [...]
ATL-LARG-99-014. - 1999. - 18 p.
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799.
Constant Term Evolution with Lead Plate Thickness Fluctuations in EM Module 0 / Fleuret, F ; Laforge, B ; Schwemling, P
We report on the results of the Monte Carlo simulation of the module 0 electromagnetic barrel calorimeter. [...]
ATL-LARG-2000-002. - 1999. - 28 p.
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800.
EM Accordion Calorimeter / Fleuret, F ; Laforge, B ; Schwemling, P
We present in this note a method to construct a correction function of the EM accordion calorimeter energy to take into account the lead plates inhomegeneous thickness distribution. [...]
ATL-LARG-2000-001. - 1999. - 13 p.
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801.
Simulation of the pixel detector Module Control Circuit / Calvet, D (Marseille, CPPM)
results..
ATL-INDET-99-014. - 1999. - 25 p.
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802.
3D Magnetic Field Calculations in the Finger Region of the TileCal / Vorojtsov, S B (Dubna, JINR) ; Dubrovin, AN (Novosibirsk, IYF) ; Nessi, Marzio (CERN)
ATL-TILECAL-99-019. - 1999. - 29 p.
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803.
The First Full-Scale Prototype of a BIL MDT Chamber for the ATLAS Muon Spectrometer / Biscossa, A ; Cambiaghi, M ; Conta, C ; Ferrari, A ; Fraternali, M ; Freddi, A ; Iuvino, G ; Lanza, A ; Livan, M ; Negri, A et al.
ATL-MUON-97-136 ; ATL-M-PN-136. - 1997.
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804.
Specification of the LVL1 / LVL2 trigger interface, Version 2.0. / Abolins, M ; Dawson, J ; Ellis, Nick ; Ermoline, Y ; Gee, C N P ; Farthouat, Philippe ; Schwick, C
ATL-DAQ-99-015. - 1999. - 41 p.
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805.
The 2D Prototype of a Rotary X-Ray Tomograph for the ATLAS Semi-Conductor Tracker / Doucas, G ; Grosse-Knetter, J ; Nickerson, R B ; Vertogradov, L S
Results are presented of precision tests with the prototype of an X-ray tomography system for measuring the two-dimensional position of silicon strip modules on barrel structures. [...]
ATL-INDET-99-017. - 1999. - 27 p.
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806.

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807.
Physics at the LHC: ATLAS performance / Tapprogge, Stefan
The expected performance of the ATLAS detector at LHC is summarized for a variety of physics processes. [...]
ATL-CONF-99-004. - 1999. - 40 p.
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808.
MDT BIS module 0 tube assembly / Fassouliotis, D ; Ioannou, P ; Kourkoumelis, C ; Birioukov, V
This note describes the University of Athens Muon Drift Tube assembly line. [...]
ATL-MUON-2000-014. - 1999.
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809.
Timing, Trigger and Control Interface Module for ATLAS SCT Read Out Electronics / Butterworth, J M ; Hayes, D A ; Lane, J B ; Postranecky, M
The design of the TIM ( TTC Interface Module ) is described. [...]
ATL-INDET-99-018. - 1999. - 5 p.
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810.
Irradiation tests of readout chain components of the ATLAS liquid argon calorimeters / Leroy, C ; Cheplakov, A P ; Golikov, V ; Golubyh, S M ; Kukhtin, V ; Kulagin, E ; Luschikov, V ; Minashkin, V F ; Shalyugin, A N
Various readout chain components of the ATLAS liquid argon calorimeters have been exposed to high neutron fluences and $gamma$-doses at the irradiation test facility of the IBR-2 reactor of JINR, Dubna. [...]
ATL-LARG-99-018. - 1999. - 6 p.
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811.
ATLAS Magnetic Field Calculations by Mermaid with All the Coils on / Dubrovin, AN ; Vorojtsov, S B (JINR, Dubna, Russia/)
ATL-TECH-99-001. - 1999. - 17 p.
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812.
Irradiation of the ATLAS SCT hybrid equipped with ABCD chips / Buttar, C M ; Cindro, V ; Dabrowski, W ; Dawson, I ; Eklund, L ; Harper, R ; Kaplon, J ; Kramberger, G ; Kudlaty, G ; Lacasta, C et al.
An ATLAS SCT hybrid equipped with 3 ABCD2T chips and 3 ABCD2NT chips has been irradiated with 24 GeV protons from the PS accelerator at CERN. [...]
ATL-INDET-99-019. - 1999. - 8 p.
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813.
CSC Performance at High Background Rates / Gordeev, A ; Gratchev, V ; Kandasamy, A ; Nevski, P ; Polychronakos, V ; O'Connor, P ; Tcherniatine, V ; Vaniachine, A
The different factors affecting on the CSC performance at high rate were considered. [...]
ATL-MUON-2000-005. - 1999. - 15 p.
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814.
MDT Resolution Simulation Frontend Electronics Requirements / Riegler, W (CERN)
ATL-MUON-97-137 ; ATL-M-PN-137. - 1997.
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815.
Excited Quarks at the LHC: Double Jets Channel / Cakir, O ; Leroy, C ; Mehdiyev, R
The production of excited quarks at CERN LHC through the quark gluon fusion mechanism and their subsequent decays to ordinary quarks and gluons are investigated
ATL-PHYS-99-024. - 1999.
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816.
Study of neutron induced outgassing from tungsten alloy for ATLAS FCAL / Leroy, C ; Alfeev, V ; Cheplakov, A P ; Golikov, V ; Golubyh, S M ; Kulagin, E ; Kukhtin, V ; Luschikov, V
The use of sintered tungsten alloy slugs as absorber in the ATLAS Forward Calorimeter (FCAL) raised concern that it could possibly poison the liquid argon during the detector operation in the hard radiation environment expected at LHC. [...]
ATL-LARG-99-020. - 1999. - 8 p.
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817.

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818.
Crosstalk in the ATLAS Electromagnetic Calorimeter . - preliminary version / Colas, Jacques ; de La Taille, C ; Lafaye, R ; Massol, N ; Pralavorio, Pascal (CRN, IN2P3-CNRS/ULP, Strasbourg, France) ; Sauvage, D ; Serin, L
This note illustrates the simulation and measurements on crosstalk in the modules 00 of barrel and endcap electromagnetic ATLAS calorimeters
ATL-LARG-2000-004. - 1999.
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819.
Analysis of the 1998 test of the Tilecal Barrel prototype / Castillo, V ; González de la Hoz, S
The H1 method is optimized to use only 6 parameters and without assuming prior knowledge of the pion energy, as in a real experimental situation The aim of this note is to report about a data analysis of the 1998 Barrel Module 0 test beam and a comparison between data and Monte Carlo simulation. [...]
ATL-TILECAL-99-020 ; TILECAL-N0-96-75 ; TILECAL-N0-99-001. - 1999. - 36 p.
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820.
The ATLAS Detector - a Status Report / Witzeling, W
The ATLAS Detector is entering the phase of construction and the talk will describe the status of the different parts of this large project..
ATL-CONF-99-006. - 1999. - 9 p.
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821.
Results from the 1998 test beam of the Calypso chamber filled with an Ar-CO2 gas mixture. / Creti, P ; Cambiaghi, M ; Ferrari, R ; Fraternali, M ; Gaudio, G ; Lanza, A ; Livan, M ; Bagnaia, P ; Bini, C ; Cardini, A et al.
In the summer 1998 we have exposed to the Cern H8 test beam the BIL prototype Calypso filled with an Ar(93) CO2 (7) gas mixture, which is the current baseline for the Atlas MDT chambers. [...]
ATL-MUON-2000-006. - 1999. - 16 p.
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822.
TRT Detector Control System specifications and requirements / Hajduk, Z (Cracow, INP)
The note presents specifications for the design of the Detector Control System for Transition Radiation Tracker of the ATLAS experiment. [...]
ATL-INDET-99-020 ; ATL-IT-ES-0009. - 1999. - 57 p.
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823.

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824.
Signature of the charged Higgs decay H^+ ---> Wh^0 with the ATLAS detector / Assamagan, Ketevi A (Hampton U.)
The possiblity of detecting the charged Higgs through H^+ ---> Wh^0 is studied with the ATLAS detector. [...]
ATL-PHYS-99-025. - 1999. - 17 p.
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825.
Reconstruction of the drift characteristic by the integral equation / Yatsunenko, YA (Dubna, JINR)
ATL-MUON-97-138 ; ATL-M-PN-138. - 1997.
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826.
The active ROB complex / Böck, R K ; Francis, D ; Vermeulen, J C ; Wheeler, S
We present results from a modeling exercise allowing to evaluate the impact of grouping readout buffers, with respect to the traffic between individual readout buffers (ROBins) and level-2 processors. [...]
ATL-DAQ-2000-022. - 1999. - 8 p.
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827.

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828.
Silicon Vertex Detectors in HEP and in the semiconductor Tracker of ATLAS. / Ferrère, D
This contribution is an introduction to the physics and the technology of silicon microstrip particles detectors commonly used today in High Energy Physics (HEP). [...]
ATL-CONF-99-007. - 1999. - 23 p.
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829.
A Policy for ATLAS Software Quality Control / Asai, M ; Barberis, D ; Bosman, M ; Jones, R ; Laporte, J F ; Stavrianakou, M
This document presents a proposed general policy for ATLAS software quality control and the global requirements on the quality control process. [...]
ATL-SOFT-99-003. - 1999. - 8 p.
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830.
First look at a Standard Model Higgs boson search with a tri-lepton signal / Bonivento, W
The aim of this work is to study the possibility to detect the Standard Model Higgs boson in the reaction $pp\to WH\to 3l$ when $m_H\sim 160~GeV$
ATL-PHYS-2000-011. - 1999.
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831.
Muon Walls Performance in 1998 and 1999 Tilecal Beam Tests / Bromberg, C ; Huston, J ; Miller, R ; Richards, R ; Schooltz, D ; Gallas, E ; Hruska, I ; Lokajícek, M ; Némécek, S ; Slavik, J et al.
Muon walls setup for beam test of the TILECAL barrel module~0 in June-July 1998 and July 1999 is described. [...]
ATL-TILECAL-99-022. - 1999. - 16 p.
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832.
Ks reconstruction in the ATLAS Inner Detector / Damet, J ; Tartarelli, F
ATL-INDET-99-024. - 1999. - 8 p.
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833.

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834.
Studies of the optics response of Steel-plastic scintillator calorimeters for the ATLAS detector and checks of lights sources for their quality control / Blanch, O (Barcelona, IFAE)
During 1998 a full scale prototype module equipped almost as in the final ATLAS design, has been constructed and tested. [...]
ATL-TILECAL-2000-006. - 1999.
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835.
Measurement of sin(2beta) from B0d->J/psi K0s: statistical reach and estimate of the systematic uncertainties . - final version / Coadou, Y ; Damet, J ; Korsmo, H ; Tartarelli, F
ATL-PHYS-99-022. - 1999. - 22 p.
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836.
CERN prototype wiring automate for the ATLAS MDT muon tubes / Cataneo, F ; Dumps, R ; Fabjan, Christian Wolfgang ; Flegel, W ; Linde, Frank L ; Roset, C ; Rosset, F ; Rotil, D ; Treichel, M ; Wotschack, J
ATL-MUON-97-139 ; ATL-M-PN-139. - 1997.
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837.
Automated sixteen channels wire tension measurement system / Balla, A ; Ciambrone, P ; Corradi, C ; Felici, G ; Paoluzzi, G ; Ponzio, B ; Russo, V ; Santoni, M ; Spitalieri, M C ; Nedosekin, A et al.
A system to measure the wire tension of MDT tubes is presented. [...]
ATL-MUON-2000-002. - 1999. - 15 p.
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838.
Prospects of FPGAs for the ATLAS LVL2 Trigger / Hinkelbein, C ; Kugel, A ; Levinson, L ; Männer, R ; Müller, M ; Sessler, M ; Simmler, H ; Singpiel, H
This note intends to give an overview over the possible evolution of FPGAs, new developments in the field of reconfigurable hardware, the development of hardware programming schemes, and, last but not least, the practical applications of reconfigurable computing in general and for the LVL2 trigger. [...]
ATL-DAQ-2000-006. - 1999. - 13 p.
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839.
The QA_QC Results of the BIS-Module-0 Monitored Drift Tubes / Dris, M ; Gazis, E N ; Maltezos, S ; Stavropoulos, G D ; Avramidou, R
The description of the Quality Assurance and Quality Control (QA_QC) procedure, the quality parameters verification and the obtained results are presented for the construction of the BIS-Module-0 Monitored Drift Tubes. [...]
ATL-MUON-2000-019. - 1999. - 24 p.
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840.

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841.
A Prototype ROI Builder for the Second Level Trigger of ATLAS Implemented in FPGA's / Blair, R E ; Dawson, J W ; Haberichter, W N ; Schlereth, J L (Argonne Nat Lab Argonne) ; Abolins, M ; Ermoline, Y
The design and implementation of a Region of Interest (ROI) Builder connecting the ATLAS Level 1 Trigger to the Level 2 Trigger Supervisor is described. [...]
ATL-DAQ-99-016. - 1999. - 7 p.
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842.
Detector technologies for LHC experiments / Hansl-Kozanecka, Traudl (DAPNIA, Saclay)
Abstract The Large Hadron Collider (LHC) at CERN will provide proton-proton collisions ata centre-of-mass energy of 14 TeV with a design luminosity of 10^34cm^-2s^-1 [...]
ATL-SLIDE-2000-001 ; CMS-TALK-1999-093. - 1999.
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843.
Reconstruction of Top-Antitop System from 2 Leptons and 2 Jets Final States in Experiment ATLAS / Simák, V ; Homola, P ; Valenta, J ; Leitner, R
We have tried to reconstruct momenta of both top and antitop from known momenta and masses of products of the decay of these particles. [...]
ATL-PHYS-2001-018. - 1999. - 20 p.
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844.
First Calorimeter Simulation with the FLUGG Prototype / Campanella, M ; Ferrari, A ; Sala, P R ; Vanini, S
FLUGG is an electron and hadron MonteCarlo simulation package thatintegrates the GEANT4 geometrical description into the FLUKA code.At the present stage of development the FLUGG prototypeis able to perform simulation in complex multi-level geometries.FLUGG and pure FLUKA simulations of the Test36 lead-scintillatorhadronic calorimeter have been performed as a test of the geometryinterface. [...]
ATL-SOFT-99-004. - 1999. - 17 p.
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845.

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846.
Irradiation Studies of Multimode Fibres for use in ATLAS Front-end Links / Mahout, G ; Andrieux, M L ; Arvidsson, C B ; Charlton, D G ; Dinkespiler, B ; Dowell, John D ; Gallin-Martel, L ; Homer, RJ ; Jovanovic, P ; Kenyon, Ian Richard et al.
The radiation tolerance of three multimode optical fibres has been investigatedto establish their suitability for use in the front-end data links of the ATLAS experiment. [...]
ATL-ELEC-99-001. - 1999. - 14 p.
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847.
Proposal of muon trigger an the ATLAS end-cup region / Ammosov, V ; Denisov, A ; Gutnikov, Yu E ; Makeev, V V ; Melnikov, E A ; Usachev, A
ATL-MUON-93-014 ; ATL-M-PN-14. - 1993.
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848.
The first townsend coefficient and optimization of the gas gain in MDT Muon Chambers / Drakoulakos, D G (CERN)
ATL-MUON-97-140 ; ATL-M-PN-140. - 1997.
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849.
Report on the SCT Forward Electrical Module Program / Benes, J ; Dolezal, Z ; Feld, L ; Hornung, M ; Joos, D ; Ketterer, C ; Kodys, P ; Kubik, P ; Ludwig, J ; Modesto, P et al.
IN THE CONTEXT OF THE ATLAS SCT FORWARD HYBRID PROGRAM, THREEELECTRICAL DETECTOR MODULES HAVE BEEN BUILT. [...]
ATL-INDET-2000-001. - 1999. - 11 p.
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850.
The Muon Software Simulation in the OO ERA / Rimoldi, A (CERN ; INFN, Pavia)
ATL-MUON-2000-007. - 1999.
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851.
CONCEPTUAL DESIGN OF C3F8 LOCAL CONDENSER SYSTEM FOR ATLAS PIXEL COOLING / Olcese, M ; Grohmann, S
The conceptual design of an evaporative cooling system for the ATLAS Pixel detector, using C3F8 as coolant, is described.The main elements and components of the system are discussed and a detailed safety analysis is presented.The proposed local condenser concept shows interesting advantages with respect to the compressor-based systems mainly because it implements standard, simple and reliable technologies..
ATL-INDET-2000-002. - 1999.
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852.
Muon Reconstruction / Laporte, J F (DAPNIA, Saclay)
This document presents the status and future evolutions of the Muon reconstruction software
ATL-MUON-2000-010. - 1999.
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853.
SM Higgs Searches for $H\rightarrow WW^{(*)}\rightarrow l^+\nu l^-\nu$ with a Mass between 150-190~GeV at LHC / Trefzger, T M ; Jakobs, K
For the Standard Model Higgs boson in the mass range around 170~GeV thesignificance in the $H\rightarrow ZZ^* \rightarrow 4l$ channel is relativelysmall, due to the suppression of the $ZZ^*$ branching ratio as the $WW$ decay mode opens up. [...]
ATL-PHYS-2000-015. - 1999. - 18 p.
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854.
Single Top quark production via W-gluon fusion at LHC.Simulation with PYTHIA 5.7 Event Generator / Ahmedov, A ; Cheplakov, A P ; Kukhtin, V V ; Mehdiyev, R ; Metreveli, Z V ; Salihagic, D
The electroweak production of single top quarks via so-called W-gluon fusion in proton-proton interactions at sqrt(s)=14 TeV has been studied. [...]
ATL-PHYS-2003-015 ; ATL-COM-PHYS-99-076. - 1999.
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855.
The LArg calorimeter calibration board / Colas, Jacques ; Moynot, M ; Perrodo, P ; Perrot, G ; Wingerter-Seez, I ; Coulon, J P ; de La Taille, C ; Martin-Chassard, G ; Seguin-Moreau, N ; Serin, L
In order to fulfil its physics requirements, the ATLASLiquid Argon calorimeter needs a very accurate calibration system. [...]
ATL-LARG-2000-006. - 1999. - 27 p.
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856.
ATLAS Level-2 Trigger User Requirements Document / Abolins, M ; Bock, RB ; Falciano, S ; Hansen, J R H ; Lankford, AL ; Männer, R ; Middleton, R M ; Strong, J S
This document describes the Users Requirements for the ATLAS Level-2 Trigger. [...]
ATL-DAQ-2000-034. - 1999. - 66 p.
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857.
Back-end Summary Document / Burckhart, Doris ; Caprini, M ; Jones, R ; Kolos, S ; Mapelli, L ; Schweiger, D ; Soloviev, I ; Cohen, L ; Duval, P Y ; Laugier, D et al.
This document provides a summary of the ATLAS DAQ Back-end software sub-system which is part of the DAQ/Event Filter Prototype -1 project for the ATLAS experiment.The back-end software encompasses all the software to do with configuring, controlling and monitoring the DAQ but specifically excludes the management, processing or transportation of physics data..
ATL-DAQ-2000-001. - 1999. - 40 p.
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858.
The ATLAS Muon Spectrometer Database Task . - 1st draft / Goldfarb, S (Michigan U.)
This document outlines the current status, future plans and long-term goals of the ATLAS Muon Spectrometer Database Task. [...]
ATL-MUON-2000-009. - 1999.
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859.
Construction of the MPI BMS Prototype Chamber / Bratzler, U ; Ferbel, T ; Gabutti, A ; Kroha, H ; Manz, A ; Treichel, M
ATL-MUON-97-141 ; ATL-M-PN-141. - 1997.
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860.
Collaboration Board decisions on ATLAS organization in 1998/1999 / Cavalli-Sforza, M
ATL-GEN-2000-001. - 2000. - 2 p.
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861.
Light Yield and Uniformity of the Tilecal Barrel Module 0 prototype / Castillo, V ; Fassi, F
The number of photoelectrons per tile size was calculated by two methods, the splitting method, and by the standard technique of photoelectron statistics.The uniformity and the assymetry were studied using both the information provided by radioactive cesium source and the 180 GeV muon data..
ATL-TILECAL-2000-001. - 2000. - 21 p.
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862.
Excited Quarks at LHC: W/Z+Jet Channel / Cakir, O ; Leroy, C ; Mehdiyev, R
The excited quark production at CERN LHC through the quark gluon mechanism and their subsequent decays to ordinary quarks and weak gauge bosons W or Z is investigated..
ATL-PHYS-2000-030. - 2000.
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863.
Wire tension measurements for the ATLAS end-cap TRT / Barberio, E ; Kaioumov, F ; Mitsou, V A ; Mouraviev, S V ; Schillinger, C
This note presents results of the wire tension measurements performed for all straws of the 4-plane end-cap prototype of the mbox{ATLAS} TransitionRadiation Tracker. [...]
ATL-INDET-2000-003. - 2000. - 18 p.
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864.
Single Event Upset Studies of a High Speed Digital Optical Data Link 003 / Andrieux, M L ; Lundqvist, J M ; Dinkespiler, B ; Evans, G ; Gallin-Martel, L ; Pearce, M ; Rethore, F ; Stroynowski, R ; Ye, J
The results from a series of neutron and photon irradiation tests of a high speed digital optical data link based on a commercial serialiser and a vertical cavity surface emitting laser are described. [...]
ATL-LARG-2000-003. - 2000. - 17 p.
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865.
Results from the 1999 H8 beam tests of SCT prototypes / Bernabeu, J ; Challis, R C ; Gadomski, S ; Kaplon, J ; Lacasta, C ; Moorhead, G F ; Phillips, P ; Sánchez, J ; Vos, M A
Three half-modules, equipped with the principal candidates for the SCTFront End electronics, have been tested in H8 at CERN. [...]
ATL-INDET-2000-004. - 2000.
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866.
Study of MDT Chambers Characteristics in Response to High Voltage and Discriminator Threshold Scan. / Baroncelli, A ; Iodice, M ; Orestano, D ; Pastore, F ; De Cecco, S ; Pontecorvo, L ; Lanza, A
Data from the Calypso MDT BIL chamber exposed to the Cern H8 test-beamin May 1997 and in July 1998 have been analysed. [...]
ATL-MUON-2000-016. - 2000. - 24 p.
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867.

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868.
Comments on "The measurements of attenuation length of WLS fibers" / Cavasinni, V ; Del Prete, T ; Mazzoni, E ; Usai, G L
In this note we discuss shortly how the measurements of attenuationlength of WLS fibers is performed and its results depend on the finedetails of the measurement procedures. [...]
ATL-TILECAL-2000-004. - 2000. - 14 p.
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869.
Hadron Energy Reconstruction for the ATLAS Barrel Prototype Combined Calorimeter in the Framework of the Non-parametrical Method / Kulchitsky, Y.A. (Minsk, Inst. Phys. ; Dubna, JINR) ; Kuzmin, M.V. (Minsk, Inst. Phys. ; Dubna, JINR) ; Budagov, J.A. (Dubna, JINR) ; Vinogradov, V.B. (Dubna, JINR) ; Nessi, M. (CERN)
Hadron energy reconstruction for the ATLAS barrel prototype combined calorimeter, consisting of the lead-liquid argon electromagnetic part and the iron-scintillator hadronic part, in the framework of the non-parametrical method has been fulfilled.This method uses only the known e/h ratios and the electron calibration constants and does not require the determination of any parameters by a minimization technique. [...]
hep-ex/0004009 ; JINR-E1-2000-73. - 2000. - 24 p.
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870.
XTOMO, A Prototype of the X-Ray Tomograph for High Precision Measurements of the MDT Muon Chambers / Alexeev, G D ; Boyko, IP ; Breuker, H ; Chelkov, G A ; Drakoulakos, D G ; Fabjan, Christian Wolfgang ; Ignatenko, M A ; Krumshtein, Z ; Sedykh, Y V ; Vertogradov, L S
ATL-MUON-97-142 ; ATL-M-PN-142. - 1997.
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871.
Effects of possible extensions to rapidity coverage of the ATLAS detector on the determination of sin^2Theta_eff(M^2_Z). / Sliwa, K ; Riley, S ; Baur, Ulrich
ATLAS forward calorimeter offers a possibility of identifying electrons in the forward region, 2.5<|y_e|<4.9. [...]
ATL-PHYS-2000-018 ; TUFTS-HEP-2000-01. - 2000.
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872.
Review of the Radiation Environment in the Inner Detector / Dawson, I (Sheffield U.)
The radiation environment in the inner detector has been simulated using the particle transport program FLUKA with a recent description of the ATLAS experiment. [...]
ATL-INDET-2000-006. - 2000. - 13 p.
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873.
Michigan ATLAS Monitored Drift Chamber Production Database 012 / Neal, Homer Alfred ; McKee, Shawn ; Han Chun Hui
We describe herein the design philosophy and the implementation details of the University of MichiganATLAS MDT Production Database. [...]
ATL-MUON-2000-012. - 2000. - 85 p.
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874.
Search for WH -> WWW -> l nu lnu jet jet using like-sign leptons / Cavasinni, V ; Costanzo, D
The search of the Higgs boson in the intermediate mass range wasinvestigated in the physics TDR looking at the decay channel H->WW followed by leptonic W decays. [...]
ATL-PHYS-2000-013. - 2000. - 18 p.
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875.
Extra-dimension signatures with ATLAS / Vacavant, L ; Hiinchliffe, I
The generic missing transverse energy signals at LHC for theories havinglarge extra dimensions are discussed. [...]
ATL-PHYS-2000-016. - 2000. - 31 p.
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876.
Event Filter Summary Document / Beck, H P ; Bee, C P ; Boissat, C ; Bosman, M ; Davis, R ; Duval, P Y ; Etienne, F ; Fede, E ; Francis, D J ; Green, P et al.
ATL-DAQ-2000-005. - 2000.
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877.
ATLAS Level 1 Calorimeter Trigger - Simulation of the backplane for Common Merger Module / Jayananda, M K (Birmingham U.)
ATL-DAQ-2000-004. - 2000. - 15 p.
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878.
Measuring b-b correlations in ATLAS / Robins, S (INFN, Rome)
The measurement of the relative production angle of b-b quark pairs serves as an excellent probe of QCD, particularly with regard to those contributions from higher order matrix elements. [...]
ATL-PHYS-2000-026. - 2000. - 11 p.
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879.
The Thermal and Mechanical Properties of Glues for the ATLAS SCT ModuleAssembly / Kholodenko, A G ; Moser, H G ; Riadovikov, VN
We perform measurements of $C_{kt}-$the coefficient of thermal conductivityof two types of glue proposed for using in mechanical structureof the SCT modules of ATLAS .We compare the thermal property of thecommonly used electronic industry applications glue familyARALDITE and $Si-organic$ glue ``ELASTOSIL 137-182'' .The coefficients of the thermal conductivity for Boron nitride filled ARALDITE 1102 and ELASTOSIL 137-182 are presented. [...]
ATL-INDET-2000-007. - 2000. - 14 p.
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880.
The case for equipping the Inner Detector with some NMR probes / Snow, S W (Manchester U.)
Precision physics requires knowledge of the magnetic field to 0.05 percent. [...]
ATL-INDET-2000-010. - 2000. - 12 p.
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881.
Wiring of tubes for full scale BIL chamber prototype / Borisov, A ; Borisov, E ; Goryachev, V N ; Fakhroutdinov, R ; Kojine, A ; Rybachenko, V ; Startsev, V ; Vovenko, A
ATL-MUON-97-143 ; ATL-M-PN-143. - 1997.
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882.
Performance Studies of Jets in the High Level Trigger / Wielers, M (TRIUMF)
In this note the performance of the jet selection of the high level trigger is presented. [...]
ATL-DAQ-2000-015. - 2000.
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883.
Isolation of Electrons and Photons on the Second Level Trigger / Wielers, M (TRIUMF)
In this note the possible gain in jet rejection in the second levele/gamma trigger is studied by applying isolation cuts. [...]
ATL-DAQ-2000-026. - 2000.
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884.
A Scheme of Read-Out Organization for the ATLAS High-Level Triggers and DAQ based on ROB Complexes / Calvet, D ; Gachelin, O ; Huet, M ; Mandjavidze, I D
This paper describes a possible organization of the ATLAS High-LevelTriggers and DAQ read-out system downstream the Read-Out Drivers. [...]
ATL-DAQ-2000-014. - 1999. - 14 p.
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885.
Performance Studies for Electron and Photon Selection at the Event Filter / Mommsen, R K ; Radu, A ; Wielers, M
In this note the electron and photon selection potential of the event filter is studied. [...]
ATL-DAQ-2000-007. - 2000.
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886.
B-Physics Event Selection for the ATLAS High Level Trigger / Baines, J T M ; Baratella, A ; Epp, B ; George, S ; Ghete, V M ; Guy, L P ; González, S ; Hutchcroft, D E ; Morettini, P ; Nairz, A et al.
The ATLAS B-physics trigger relies on the partial reconstruction of B decays in order to select semi-exclusively specific channels of interest. [...]
ATL-DAQ-2000-031. - 2000.
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887.
PixTrig: a Level 2 track finding algorithm based on pixel detector / Baratella, A ; Dameri, M ; Morettini, P ; Parodi, F
This note describes an algorithm for track search at Level 2 based on pixel detector. [...]
ATL-DAQ-2000-025. - 2000.
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888.
b-tagging Event Selection for the ATLAS High Level Trigger / Baratella, A ; Morettini, P ; Parodi, F
This note describes an algorithm for the identification of b-jets at Level 2. [...]
ATL-DAQ-2000-023. - 2000.
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889.
DAQ/EF-1 Event Builder system on Linux/Gigabit Ethernet / Hasegawa, Y ; Nagasaka, Y ; Yasu, Y
This note presents the basic performance of Gigabit Ethernet and the performanceof the DAQ/EF-1 event builder as one of its applications..
ATL-DAQ-2000-008 ; DAQ-EF-1-Tech-Note-147. - 2000. - 16 p.
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890.
First Implementation of Calorimeter FEX Algorithms in the LVL2 Reference Software / González, S ; González-Pineiro, B ; Shears, T G
The calorimetric electron/photon, tau/hadron, and jet feature extractionalgorithms, as implemented in version 01-04-00 of the LVL2 trigger Reference Software, are described. [...]
ATL-DAQ-2000-020. - 2000. - 11 p.
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891.
Investigation of the Performace of 100Mbit and Gigabit Ethernet Components Using Raw Ethernet Frames / Hughes-Jones, R E ; Saka, F
This paper describes tests carried out as part of the ATLAS Trigger/DAQ Pilot Project to investigate and measure the performance of 100 Mbit and Gigabit Ethernet components using raw Ethernet frames. [...]
ATL-DAQ-2000-032. - 2000. - 32 p.
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892.
Mechanical and thermal tests on the BIL MDT chamber prototype "Calypso" / Daly, C ; De Zorzi, G ; Oberson, P
ATL-MUON-97-144 ; ATL-M-PN-144. - 1997.
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893.
An UML description of the ATLAS ROB viewed from the Level-2 Trigger / Huet, M
This document presents a description of the ATLAS Read Out Buffer(ROB).It is focused on the interaction with the Level-2 Trigger. [...]
ATL-DAQ-2000-009. - 2000. - 15 p.
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894.
An integrated system for the ATLAS High Level Triggers:Concept, General Conclusions on Architecture Studies,Final Results of Prototyping with ATM / Bystrický, J ; Calvet, D ; Gachelin, O ; Huet, M ; Le Dû, P ; Mandjavidze, I D
This paper recalls the concept of a proposed integrated system forthe "ATLAS High Level Triggers" that has been investigated over thelast 5 years of our involvment in the ATLAS collaboration. [...]
ATL-DAQ-2000-011. - 2000.
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895.
Rejection of rate at EF for $J/\psi$, $\rm{D_s}$ and$\rm{B^0_d} \to \pi^+ \pi^-$ channels. / Rizatdinova, F K ; Nikitin, N V
A detail study of the background rates after Event Filter for the three major B-physics channels was made. [...]
ATL-DAQ-2000-017. - 2000. - 7 p.
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896.
The use of low-cost SMPs in the Atlas level-2 trigger / Bock, R ; Bogaerts, A ; Ermolin, Y ; Kugel, A ; Lay, R ; Werner, P
Low-cost SMP (Symmetric Multi-Processor) systems have become generallyavailable since 1998; they provide substantial CPU and I/O capacity along with a memory that is shared by all processors. [...]
ATL-DAQ-2000-010. - 2000. - 7 p.
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897.
High $p_T$ Level 2 Trigger Algorithm for TRT Detector in ATRIG / Sivoklokov, S Yu (SINP, Moscow)
This note describes a TRT part of Level 2 tracker triggeralgorithm implemented in the ATRIG trigger simulation package. [...]
ATL-DAQ-2000-043. - 2000.
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898.
Ptolemy simulation of the ATLAS level-2 trigger / Dobson, M ; Korcyl, K ; Hughes-Jones, R E ; Clarke, P ; Crone, G J (Univ Coll London) ; Wheeler, S
The ATLAS level-2 trigger has been modelled using the Ptolemy simulation package. [...]
ATL-DAQ-2000-039. - 2000.
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899.
Modeling Ethernet switches for the ATLAS LVL2 system / Korcyl, K ; Saka, F ; Dobinson, Robert W
A parameterized model of the Ethernet, modular, store-and-forward switch has been developed. [...]
ATL-DAQ-2000-044. - 2000.
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900.
Paper modelling of the ATLAS LVL2 trigger system / Bystrický, J ; Vermeulen, J C
ATL-DAQ-2000-030. - 2000.
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901.
A muon trigger algorithm for Level-2 feature extraction / Nisati, A (tech. contact)
An algorithm is presented to perform muon trigger extraction on MuonSpectrometer data in the barrel region, as part of the ATLAS Level-2 trigger. [...]
ATL-DAQ-2000-036. - 2000.
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902.
Combined muon reconstruction at Level-2 / Di Mattia, A ; Nisati, A ; Robins, S
An algorithm is presented which combines features extracted using stand-alone Level-2 algorithms in the muon system and the SCT, to produce a combined muon object at Level-2 for the region |eta|<1. [...]
ATL-DAQ-2000-037. - 2000.
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903.
Energy Resolution for MDT cylindrical counters / Drakoulakos, D G (CERN)
ATL-MUON-97-145 ; ATL-M-PN-145. - 1997.
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904.
Further Studies and Optimisation of the Level-2 trigger electron/photon FEX algorithm / Shears, T G ; González, S
Investigations into data transfer volume, execution time and background rejection have been performed on the level-2 electron/photonfeature extraction algorithm, as implemented in version 01-04-00 ofthe level-2 trigger reference software. [...]
ATL-DAQ-2000-042. - 2000.
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905.
Implementation of the Message Passing Software Layer over SCI for theATLAS Second Level Trigger Testbeds / Giacomini, F ; Belias, A ; Bogaerts, A ; Botterill, David R ; Middleton, R ; Wickens, F J (RAL Chilton) ; Werner, P
This document describes how the Message Passing layer ofthe Reference Software for the Second Level Trigger has beenimplemented using the Scalable Coherent Interface (SCI)as the underlying networking technology..
ATL-DAQ-2000-028. - 2000.
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906.
Running the Second Level Trigger Software on a Large Commercial Cluster / Bogaerts, A ; Giacomini, F ; González, S ; Tapprogge, Stefan
This note describes the porting and the evaluation of theso-called Reference Software developed within the Second Level Triggercommunity of the ATLAS experiment on the Paderborn SCI Cluster (PSC),a large compute cluster installed at the Paderborn Center forParallel Computing (PC2). [...]
ATL-DAQ-2000-024. - 2000.
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907.
The UK ROB-in,A prototype ATLAS readout buffer input module / Boorman, G ; Clarke, P ; Cranfield, R ; Crone, G J (Univ Coll London) ; Green, B ; Strong, J
This paper describes the specification, design, operation, performanceand status of the UK ROB-in. [...]
ATL-DAQ-2000-013. - 2000. - 12 p.
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908.
LVL2 Full TRT Scan Feature Extraction Algorithm for B Physics Performed on the Hybrid FPGA/CPU Processor System ATLANTIS: Measurement Results / Hinkelbein, C ; Kugel, A ; Männer, R ; Müller, M ; Sessler, M ; Simmler, H ; Singpiel, H
This paper updates the preliminary results presented in [4] for a Full Scan TRT algorithm executed on the FPGA processor system ATLANTIS. [...]
ATL-DAQ-2000-012. - 2000. - 8 p.
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909.
Evaluation of Commercial SCI Components and Low-level SCI Softwarefor the ATLAS Second Level Trigger / Giacomini, F ; Belias, A ; Bogaerts, A ; Botterill, David R ; Hauser, R ; Middleton, R ; Wickens, F J (RAL Chilton) ; Werner, P
This note describes the work that has been carried out over aperiod of two years on the evaluation of hardware and softwarecomponents for the Scalable Coherent Interface (SCI).These components include two generations of link controllers,several PCI-SCI interfaces and switches, a number of PCs andworkstations, low-level Application Programming Interfaces andsimple message passing libraries..
ATL-DAQ-2000-029. - 2000.
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910.
STUDY, EVALUATION AND TEST OF SUBMODULE TO GIRDER BOLTED JOINT / Blocki, J ; Guarino, V ; Miralles, Ll ; Topilin, N D
The object of the present work is to study the bolted joint submodule to girder. [...]
ATL-TILECAL-2000-007. - 2000.
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911.
Computer modelling of the ATLAS LVL2 trigger system / Vermeulen, J C (NIKHEF, Amsterdam)
ATL-DAQ-2000-035. - 2000.
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912.
The Atlas Level 2 Reference Software / Hauser, R
The Atlas Second Level Trigger reference software is a common frameworkfor all activities in the LVL2 Pilot Proejct. [...]
ATL-DAQ-2000-019. - 2000. - 25 p.
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913.
Options for the ROB Complex / Cranfield, R ; Vermeulen, J C
Master Working Document of the ATLAS LVL2 Pilot Project ROB Complex Group.Draft version awaiting references, abstract & final agreement..
ATL-DAQ-2000-027. - 2000. - 81 p.
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914.
Creep test results for 50mum diameter wires made of tungsten and tungsten + rhenium alloy / Borisov, A ; Goryachev, V N ; Fakhrutdinov, R M ; Kojin, A ; Tumakov, V ; Zimin, S
ATL-MUON-97-146 ; ATL-M-PN-146. - 1997.
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915.
A SHARC based ROB Complex : design and measurement results / Boterenbrood, H ; Jansweijer, P ; Kieft, G ; Scholte, R ; Slopsema, R ; Vermeulen, J C
ROB hardware, based on and exploiting the properties of the SHARC DSP and of FPGAs, and the associated software are described. [...]
ATL-DAQ-2000-021. - 2000. - 26 p.
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916.
Results from the Level-2 Pilot Project Testbeds
The ATLAS level-2 trigger has to offer an event rate reduction of approximately 1 in 100, from an input rate of up to 100~kHz. [...]
ATL-DAQ-2000-040. - 2000. - 4 p.
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917.
Event Filter rates for the etmiss+jets trigger at low luminosity / Polesello, G ; Cavalli, D ; Caron, B ; Davis, R A
The Etmiss signature will be used in the ATLAS detectorto trigger on a variety of physics processes. [...]
ATL-DAQ-2000-016. - 2000.
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918.
ATLAS Level-2 Trigger SCI Demonstrator Evaluation Report / Belias, A ; Bogaerts, A ; Botterill, David R ; Giacomini, F ; Hauser, R ; Middleton, R ; Werner, P ; Wickens, F J (RAL Chilton)
An evaluation of the ATLAS Level-2 Trigger SCI Demonstrator isgiven. [...]
ATL-DAQ-2000-041. - 1999.
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919.
Reconstruction of the Hadronic Calorimeter Energy using the Shower Topology Weighting Technique / Garabik, R ; Holik, P ; Krajcovic, G ; Stavina, P ; Tokar, S ; Zenis, T
A method for calorimeter energy reconstruction using information abouthadronic shower topology has been developed and used toreconstruct the data from September 1996 and May 1995 stand alonetest beam runs..
ATL-TILECAL-2000-008. - 2000. - 18 p.
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920.
Rejection of $\mu$ from $\pi$ and $K$ decayed in flight at LVL2. / Rizatdinova, F K (SINP, Moscow)
An estimation of the reduction in the LVL2 trigger muon rate from the pions and kaons decayed in flight was made using offline tools, xKalman and MuonBox. [...]
ATL-DAQ-2000-018. - 2000. - 7 p.
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921.
Test Beam Measurement of the Crosstalk in the EM Barrel Module 0 / Hubaut, F ; Laforge, B ; Lacour, D ; Orsini, F
Test beam measurements of the crosstalk in the barrel electromagnetic calorimeter Module 0 tested at CERN in August 99' are reported. [...]
ATL-LARG-2000-007. - 2000. - 33 p.
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922.
First study of the LVL2-EF boundary in the high-pT electron/photon High-Level Trigger / Baines, J T M ; González, S ; Mommsen, R K ; Radu, A ; Shears, T G ; Sivoklokov, S Yu ; Wielers, M
In the ATLAS High-Level Trigger (HLT), the Level-2 and Event Filter stages can be seen as a set of modular selection algorithms that can migrate between the two trigger levels. [...]
ATL-DAQ-2000-045. - 2000.
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923.
Summary Document of the Event Building Studies in the DAQ/EF -1 Project / Ambrosini, G ; Beck, H P ; Hasagawa, Y ; Lehmann, G ; Lopes, J ; Mornacchi, Giuseppe (CERN) ; Nagasaka, Y ; Spiwoks, R ; Yasu, Y ; Arik, E et al.
This document summarises the work done in the area of the event builder subsystemswithin the ATLAS DAQ/EF -1 project..
ATL-DAQ-2000-048. - 2000.
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924.
Physics requirements for the ATLAS High-Level Trigger / Tapprogge, Stefan (CERN)
This note summarizes the physics requirements for the Higher Level Triggerof the ATLAS Trigger and Data Acquisition system. [...]
ATL-DAQ-2000-033. - 2000.
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925.
LHCTOR: A stand alone Geant Program for simulation of the ATLAS spectrometer / Chevalier, L
ATL-MUON-97-147 ; ATL-M-PN-147. - 2004.
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926.
Overview of Monte Carlo simulations for ATLAS B-physics in the period 1996-1999 / Smizanska, M ; Baranov, S P ; Hrivnác, J ; Kneringer, E
We summarize the B-physics particle level and detector Monte Carlo simulations made in the period 1996--1999. [...]
ATL-PHYS-2000-025 ; ATL-COM-PHYS-99-042. - 2000.
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927.
Collider Physics : LHC / Gianotti, F (CERN)
The CERN Large Hadron Collider (LHC) will become operational in 2005. [...]
ATL-CONF-2000-001. - 2000.
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928.
Status Report on the Construction of the Mechanical Outer Forward Module Prototypes for the SCT. / Fortin, R ; Niinikoski, T O ; Roe, S ; Weilhammer, Peter ; Clark, A G ; Ferrère, D ; Macina, Daniela (CERN) ; Morone, C ; Perrin, E ; Weber, M et al.
It is foreseen to assemble and test ~600 silicon detector modules of the Forward Silicon Tracker (SCT), using facilities at CERN and the University of Geneva. [...]
ATL-INDET-2000-008. - 2000. - 16 p.
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929.
Performance summary of the DAQ-Unit in DAQ/EF -1 / Beck, H ; Francis, D ; Joos, M ; Petersen, J
This note describes the processing performance of the DAQ-Unit,developed in the context of the of the DataFlow system inATLAS DAQ/EF prototype -1.The logical model and the software architecture are presented and atiming analysis of a VMEbus based implementation are discussed in detail..
ATL-DAQ-2000-050. - 1999.
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930.
I/O Module Variants in the DAQ-Unit of DAQ/EF Prototype -1 / Beck, H ; Francis, D ; Joos, M ; Petersen, J
The models of the Read-Out Crate, the Sub-Farm Crate and the DAQ-Unitin the DAQ/EF prototype -1 are reviewed. [...]
ATL-DAQ-2000-049. - 2000.
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931.
The Read-Out Buffer in DAQ/EF Prototype -1 / Crone, G J ; Francis, D ; Joos, M ; Petersen, J ; Veneziano, Stefano
This document summarises the work done on the Read-Out Buffer in thecontext of the DAQ/EF -1 project. [...]
ATL-DAQ-2000-053. - 1999.
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932.
The MFCC-ROBIN in the DAQ/EF -1 Project / Francis, D ; Joos, M ; Petersen, J ; Veneziano, Stefano
This is a description of the software and firmware developedfor the MFCC-ROBIN..
ATL-DAQ-2000-052. - 2000.
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933.
The Design of the DAQ-Unit in the ATLAS DAQ/EF -1 Project / Ambrosini, G ; Arik, E ; Beck, H ; Cetin, S A ; Conka, T ; Fernandes, A ; Francis, D ; Hasagawa, Y ; Joos, M ; Lehmann, G et al.
This document persents the design of the ATLAS DAQ/EF -1 projectsDAQ-Unit subsystem..
ATL-DAQ-2000-054. - 1999.
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934.
Evolution of silicon micro-strip detector currents during proton irradiation at the CERN PS / Harper, RS ; Allport, P P ; Andricek, L ; Buttar, C M ; Carter, J R ; Casse, G ; Dawson, I ; Grigson, CM ; Morgan, D ; Robinson, D
The current evolution of full-sized prototype silicon micro-strip detectorsfor the ATLAS SCT during proton irradiation with the 24 GeV beam from theCERN PS is described.It is shown that the measured detector currents agree well withthe predictions of bulk radiation damage parameterizations, indicating thatthe detector design is robust against other damage effects..
ATL-INDET-2000-009. - 2000. - 8 p.
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935.
Studies of wire offset effects on gas gain in the ATLAS TRT straw chamber / Cwetanski, Peter ; Romaniouk, A ; Sosnovtsev, V V
Results of the measurements and simulation (both Analytical and Monte Carlo) ofthe amplification process in straw tubes in the ATLAS TransitionRadiation Tracker are presented. [...]
ATL-INDET-2000-016. - 2000. - 15 p.
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936.
AMDB_SIMREC: A Structured data base for the ATLAS Spectrometer Simulation Program / Chevalier, Laurent ; Virchaux, Marc ; Laporte, Jean-Francois ; Giraud, Pierre-Francois ; Bauer, Florian ; Ouraou, Ahmimed ; Pomarède, Daniel
ATL-MUON-97-148 ; ATL-M-PN-148. - 1997.
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937.
High Speed Backplane links for the L1 Trigger Cluster Processor Module / Staley, R J (Birmingham U.)
The design of the Cluster Processor Crate within the ATLAS L1 Calorimeter trigger requires a large number of high speed data links between modules.Data signals are sent at 160Mb/s across the backplane to reduce the number of module inter-connections and the pin count of onboard processing devices, while covering the largest possible area of the calorimeter. [...]
ATL-DAQ-2000-038. - 2000. - 9 p.
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938.
Effect of a Staged End-Cap Chamber Deployment on MDT System Performance / Levin, Daniel S ; Zhou Bing
This paper evaluates the muon track reconstruction and momentum resolution when specific arrays of mid-section or outer end-cap chambers are not deployed, compared to abaseline configuration having a full complement of chambers. [...]
ATL-MUON-2000-017. - 2000.
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939.

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940.
Measurement of the tau lifetime in ATLAS / Cavalli, D ; Osculati, B
ATL-PHYS-2000-014. - 2000.
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941.
Finite Element calculations of heat transfer for Forward SCT ModulesPart I - the Outer Module / Blocki, J ; Clark, Allan G ; Perrin, E
A status report on the thermal performance of the baseline SCT forward modules is presented. [...]
ATL-INDET-2000-011. - 2000. - 17 p.
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942.
Finite Element calculations of heat transfer for the Forward SCT ModulesPart II - the Inner Module ATL-COM-INDET-2000-015 / Blocki, J (Cracow, INP)
A status report on the thermal performance of the baseline SCT inner forward modules is presented. [...]
ATL-INDET-2000-012. - 2000. - 17 p.
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943.
The ttbb background to the Higgs searches: Pythia versus CompHEP rates. / Sapinski, M (Cracow, INP)
The ttbb production is a dominant background for the SM and MSSM Higgs search in the associated production ttH with H->bb. [...]
ATL-PHYS-2000-020. - 2000. - 10 p.
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944.
Jet Energy Reconstruction in the ATLAS Barrel Calorimeters Using Combined Beam Test Data / Davidek, T (Charles U.)
The method of the parton energy reconstruction in the barrel part ofthe ATLAS calorimeter system (electromagnetic LAr and hadronic Tilecalorimeter) is presented. [...]
ATL-TILECAL-2000-010. - 2000. - 16 p.
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945.
Induced Radioactivity in the ATLAS Inner Detector -TRT / Cetin, S A ; Romaniouk, A
An estimate of the activity levels of the TRT materials activated during LHC operation are presented. [...]
ATL-INDET-2000-013. - 2000. - 52 p.
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946.

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947.
Acceptance Studies for the ATLAS Muon Spectrometer / Dell'Acqua, A ; Rimoldi, A
ATL-MUON-97-149 ; ATL-M-PN-149. - 1997.
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948.

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949.
Remesurements of Preform AP008 and comparison of Kuraray and Pisa Quality Control setups / Cavasinni, V ; Del Prete, T ; Mazzoni, E ; Usai, G L
We report on further measurements and analysis of fibres from preform AP008 (batch 1).We revisit the measurements performed in Pisa on July 99 on many fibres of preform AP008. [...]
ATL-TILECAL-2000-011. - 2000. - 18 p.
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950.
An estimation of the quench pressure rise in the ATLAS barrel toroid cooling channels / Elkonin, B (CERN)
The last version of the quench simulation program GANDALF was used for the ATLAS Barrel Toroid. [...]
ATL-TECH-2000-001. - 2000. - 46 p.
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951.
The Atlas Muon Spectrometer Simulation using Geant4 / Dell'Acqua, A ; Rimoldi, A ; Chevalier, L ; Laporte, J F ; Virchaux, M
ATL-MUON-2000-020. - 2000.
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952.
Lepton Flavor Violation at the LHC / Hinchliffe, Ian ; Paige, FE
Recent results from Super Kamiokande suggest $\nu_\mu-\nu_\tau$mixing and hence lepton flavor violation. [...]
ATL-PHYS-2000-022. - 2000. - 13 p.
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953.
Signals in non-irradiated and irradiated single sided silicon detectors / Kramberger, G ; Cindro, V ; Mikuz, M
A simulation of signals in silicon microstrip detectors ($p^+-n-n^+$) has been written. [...]
ATL-INDET-2000-015. - 2000. - 11 p.
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954.
Comparison between the Higgs boson discovery potential of the ATLAS experiment and the Tevatron in the H --> WW(*) channel / Jakobs, K ; Walkowiak, W
The discovery potential for a Standard Model higgs boson in the H --> WW* channel is compared for the ATLAS experiment at the CERN LHC and for the Tevatron ppbar collider. [...]
ATL-PHYS-2000-019. - 2000. - 19 p.
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955.
Updates to the Level-1 e/gamma and tau/hadron Algorithms / Watson, A T (Birmingham U.)
This note describes changes to the level-1 electromagnetic and hadronic cluster triggers since the level-1 TDR of 1998. [...]
ATL-DAQ-2000-046. - 2000. - 13 p.
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956.
The HepMC C++ Monte Carlo Event Record for High Energy Physics / Dobbs, M ; Hansen, J B
HepMC is an Object Oriented event record written in C++ for High Energy Physics Monte Carlo Event Generators. [...]
ATL-SOFT-2000-001. - 2000. - 7 p.
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957.

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958.
A simulation study of muon reconstruction in the air-core toroid / Halley, A (Munich, Max Planck Inst.)
ATL-MUON-93-015 ; ATL-M-PN-15. - 1993.
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959.
Pattern Recognition with MDT Chambers / Shank, J T ; Sliwa, K ; Taylor, F ; Zhou, B
ATL-MUON-97-150 ; ATL-M-PN-150. - 1997.
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960.
SUSY AT THE LHC / Parker, M A (Cambridge U.)
The potential for the general purpose detectors at the LHC, ATLAS and CMS, to discover supersymmetric particles is reviewed. [...]
ATL-CONF-2000-005 ; CAVENDISH-HEP-2000-08. - 2000.
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961.
Java in Atlas - coding standards / Fisher, SM ; Hrivnác, J
This document addresses a number of issues relating to the use of Java in ATLAS: coding standards and programming advice, the build environment and a little on the co-existence of Java and C++. [...]
ATL-SOFT-2000-002. - 2000.
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962.

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963.
Semi-Transparent Silicon Strip Sensors for the Precision Alignment of Tracking Detectors / Fernández-García, M ; Horváth, S ; Kroha, H ; Ostapchuk, A Ya ; Schael, S
Novel semi-transparent optical position sensors (`ALMY sensors') have been developedfor the alignment monitoring systems of modern large-area tracking detectors. [...]
ATL-MUON-2000-025 ; MPI-Report ; MPI-PhE-2000-12. - 2000. - 6 p.
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964.
Construction and test of MDT chambers for the ATLAS muon spectrometer / Bauer, F (Munich, Max Planck Inst.) ; Bratzler, U (Munich, Max Planck Inst.) ; Dietl, H (Munich, Max Planck Inst.) ; Kroha, H (Munich, Max Planck Inst.) ; Lagouri, T (Munich, Max Planck Inst.) ; Manz, A (Munich, Max Planck Inst.) ; Ostapchuk, A Ya (Munich, Max Planck Inst.) ; Richter, R (Munich, Max Planck Inst.) ; Schael, S (Munich, Max Planck Inst.) ; Chouridou, S (Munich U.) et al.
The Monitored Drift Tube (MDT) chambers for the muon spectrometer of the ATLAS detector at the Large Hadron Collider (LHC) consist of 3-4 layers of pressurized drift tubes on either side ofa space frame carrying an optical monitoring system to correct fordeformations. [...]
ATL-MUON-2001-006 ; MPI-PhE-2000-11 ; MPI-Report. - 2001. - 7 p.
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965.
Error Detection for the Serial Data of the Level-1 Calorimeter Trigger / Bright-Thomas, P G (Birmingham U.)
This note describes a software model of calorimeter trigger data transmission,from which the relationship between bit- or burst-error rates and the likely fake trigger rate can be estimated. [...]
ATL-DAQ-2000-047. - 2000. - 18 p.
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966.
Comparison between full and fast simulation of the ATLAS detector for the channel H/A->ttbar / González de la Hoz, S (Valencia U., IFIC)
This note describes the comparison between full and fast simulation of the ATLAS detector for events with Higgs boson decaying to ttbar. [...]
ATL-COM-PHYS-2000-016 ; ATL-PHYS-2003-019. - 2000. - 30 p.
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967.
Determination of Effective Trapping Times for Electrons and Holes in Irradiated Silicon / Kramberger, G ; Cindro, V ; Mandic, I ; Mikuz, M ; Zavrtanik, M
A set of standard and oxygenated silicon diodes with different resistivities (1 kOhm cm and 15 kOhm cm) was irradiated with neutrons to fluences up to 2*10^{14} cm^{-2} 1 MeV neutron NIEL equivalent. [...]
ATL-INDET-2000-017. - 2000. - 11 p.
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968.

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969.
Naming and numbering scheme for the Endcap muon trigger system / Lellouch, D ; Levinson, L ; Hasuko, K
A naming and numbering scheme is described which meets the requirements of all aspects of the construction and operation of the Muon Endcap trigger detector system: simulation, assembly, installation, trigger, read-out, data-base operations, item bar-coding, and finally analysis..
ATL-MUON-2001-002. - 2000. - 16 p.
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970.
XTOMO, one-dimensional X-ray Scanning of a 8-layer MDT Prototype using the "Passive Mode" / Drakoulakos, D G ; Fabjan, Christian Wolfgang
ATL-MUON-97-151 ; ATL-M-PN-151. - 1997.
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971.
The hadronic tau decay of a heavy charged Higgs in ATLAS / Assamagan, Ketevi A ; Coadou, Y
The hadronic tau decay of a heavy charged Higgs, H+ -->tau nu, is considered in ATLAS. [...]
ATL-PHYS-2000-031. - 2000. - 20 p.
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972.
Revisiting the observability of the WH and ZH, H-->bb channel in the 14 TeV pp and 2 TeV ppbar collisions (lbb and llbb final states) / Richter-Was, Elzbieta (Cracow, INP ; CERN)
A detailed study of the associated Standard Model Higgs boson production, in 14 TeV pp (LHC) and 2 TeV ppbar (Tevatron) collisions, WH with H-->lnu and ZH with Z-->ll, with Higgs boson decays to bb pair, is presented for the Higgs mass of 100 and 120 GeV. [...]
ATL-PHYS-2000-024. - 2000.
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973.
Prospects for the observability of the WH and ZH, H-->bb channel in 14 TeV pp and 2 TeV ppbar collisions (ETmiss + bb final state). / Richter-Was, Elzbieta (Cracow, INP ; CERN)
A detailed study of the associated Standard Model Higgs boson production in 14 TeV pp (LHC) and 2 TeV ppbar (Tevatron) collisions, WH/ZH with H-->bb decay and ETmiss + bb signature, is presented for the benchmark value of the Higgs mass, mH=100 GeV. [...]
ATL-PHYS-2000-023. - 2000.
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974.

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975.
Velocity of sound measurements in gaseous per-fluorocarbons and their custom mixtures / Vacek, V ; Hallewell, G D ; Lindsay, S
An inexpensive sonar instrument was prepared for measurements of sound velocity in two fluorocarbon vapors; per-fluoro-n-propane (C3F8), per-fluoro-n-butane (C4F10), and their custom mixtures. [...]
ATL-INDET-2000-026. - 2000. - 14 p.
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976.
Studies of wire vibrations in TRT straw tubes / Anderson, M ; Godlewski, J ; Romaniouk, A ; Sutchkov, S ; Tikhomirov, V
Results of systematic studies of the potential problem related to wire vibrations in the TRT detector are presented. [...]
ATL-INDET-2000-018. - 2000. - 11 p.
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977.
The PMT-block Test Bench Developed in Pisa / Costanzo, D ; Del Prete, T ; Mazzoni, E ; Pagani, GF ; Paoletti, R ; Rizzi, D
A PMT-block test bench has been developed in Pisa. [...]
ATL-TILECAL-2000-012. - 2000. - 24 p.
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978.
On the determination of Higgs parameters in the ATLAS experiment at the LHC / Hohlfeld, Marc (Mainz U., Inst. Phys.)
Once the Higgs boson will have been discovered, the determination of the Higgs boson parameters is a major goal. [...]
ATL-PHYS-2001-004. - 2000. - 45 p.
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979.
QCD AT THE LHC WITH ATLAS / Tapprogge, Stefan (Helsinki Inst. of Phys. ; CERN)
The LHC will allow QCD studies to be performed at very high energy, including precision tests and measurements in an as yet unexplored kinematic region. [...]
ATL-CONF-2000-006. - 2000. - 4 p.
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980.
High Energy Electromagnetic Shower Development in Air with GEANT4 / Rebuzzi, D ; Rimoldi, A ; Dell'Acqua, A
ATL-PHYS-2001-010. - 2000.
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981.
MDT chamber assembly procedure and construction of a full scale BML / Benvenuto, P ; Bonini, R ; Bilokon, H ; Borisov, E ; Capoccia, C ; Cerioni, S ; Chiarella, V ; Cima, E ; Curatolo, M ; Esposito, B et al.
ATL-MUON-97-152 ; ATL-M-PN-152. - 1997.
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982.
Optical properties of the new TileCal scintillating tiles. Comparison with 1999 production. / Zenine, A (Serpukhov, IHEP)
A few samples of the scintillating tiles made of BASF polystyrol for ATLAS Tile Calorimeter have been measured with a radioactive source. [...]
ATL-TILECAL-2000-013. - 2000. - 5 p.
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983.
Report from the ATLAS Architecture TaskForce / Haywood, S (Rutherford)
In this report, the activities and conclusions of the ATLAS Architecture TaskForce (ATF) are summarised. [...]
ATL-SOFT-2000-003. - 1999. - 68 p.
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984.
BCAM Calibration / Daniels, D ; Hashemi, K S ; Bensinger, J
The Brandeis CCD Angle Monitor (BCAM) has been selected by the ATLAS collaboration to perform the polar alignment of the endcap muon system. [...]
ATL-MUON-2000-026. - 2000. - 20 p.
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985.
The BCAM Camera / Hashemi, K S ; Bensinger, J
The BCAM, or Boston CCD Angle Monitor, is a camera looking at one or more light sources. [...]
ATL-MUON-2000-024. - 2000. - 23 p.
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986.
MTGEANT-4 - The Munich Test-Stand Simulation Programme / Kortner, O (Munich U.)
MTGEANT-4 is the Munich test-stand simulation programme. [...]
ATL-MUON-2000-021. - 2000. - 17 p.
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987.
On the importance of Java to ATLAS / Fisher, SM ; Hrivnác, J
The Java programming language has had a huge impact in the world outside HEP and is now making itself noticed within HEP. [...]
ATL-SOFT-2000-004. - 2000.
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988.

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989.
Updated impact parameter resolutions of the ATLAS Inner Detector / Gadomski, S (CERN)
The layout of the ATLAS pixel system has changed twice since the physics TDR was published. [...]
ATL-INDET-2000-020. - 2000. - 8 p.
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990.
Fiber instrumentation of the Barrel and Extended Barrel Modules 0 / Gomes, A ; Maio, A ; Patriarca, J ; Santos, J ; Varanda, M J ; Pinhão, J ; Ribeiro, F M
We report here on the method used in the optical fiber instrumentation of the Tilecal Barrel and Extended Barrel Modules 0, respectively in 1998 and in 1997..
ATL-TILECAL-2000-014. - 2000. - 50 p.
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991.
Particle Identification using the Time-over-Threshold Method in the ATLAS Transition Radiation Tracker / Åkesson, T (Lund U.) ; Arik, E (Bogazici U.) ; Assamagan, Ketevi A (Hampton U.) ; Baker, K (Hampton U.) ; Barberio, E (CERN) ; Barberis, D (CERN) ; Bertelsen, H (Bohr Inst.) ; Bychkov, V (Dubna, JINR) ; Callahan, J (Indiana U.) ; Catinaccio, A (CERN) et al.
Test-beam studies of the ATLAS Transition Radiation Tracker (TRT) straw tube performance in terms of electron-pion separation using a time-over-threshold method are described. [...]
ATL-INDET-2000-021. - 2001. - 23 p.
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992.
Cross-plate sag compensation in the assembly of the MDT chamber / Ackermann, K H ; Capoccia, C ; Cerioni, S ; Curatolo, M ; Esposito, B ; Ferrer, ML ; Linde, Frank L ; Maccarrone, G ; Manz, A ; Werneke, P
ATL-MUON-97-153 ; ATL-M-PN-153. - 1997.
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993.
A study of Gauge Mediated Supersymmetry Breaking with stau as the NLSP in the ATLAS detector. / Sjölin, J (Stockholm U.)
The feasibility for mass measurements of SUSY particles from GMSB models with stau as the NLSP in the ATLAS detector is studied using parameterized simulations. [...]
ATL-PHYS-2001-001. - 2000. - 21 p.
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994.
The Freiburg MDT leak test setup / Landgraf, U ; Mohr, W ; Zimmermann, S
This note descibes the setup at the university of Freiburg for verifying the gas tightness of the Atlas MDTs after their production, as required by the Atlas muon community QA/QC procedure. [...]
ATL-MUON-2000-022. - 2000. - 12 p.
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995.
Determination of the ATLAS TRT straw tube active length / Lucotte, A ; Mitsou, V A ; Mouraviev, S V
The performance of the TRT straw tubes in the regions near their ends is being discussed in this note. [...]
ATL-INDET-2000-022 ; ATL-IT-TR-0003. - 2000. - 8 p.
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996.
Electronics Evaluation, Jet Reconstruction and a Study of GMSB in ATLAS. / Sjölin, J (Stockholm U.)
The ATLAS detector is described. [...]
ATL-TILECAL-2000-015. - 2000. - 76 p.
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997.
Tests of the presampler electrodes for module 0 / Belymam, A ; Clément, C ; Hoummada, A ; Lund-Jensen, B
The ATLAS presampler will be composed of approximately 90000 printed circuit board electrodes. [...]
ATL-LARG-2000-008. - 2000. - 20 p.
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998.
Searching for physics beyond the Standard Model in the decay B+ -> K+K+pi- / Damet, J ; Eerola, Paule Anna Mari ; Manara, A ; Nooij, SEM
The observation potential of the decay B+ -> K+K+pi- with the ATLAS detector at LHC is described in this paper. [...]
ATL-PHYS-2000-027. - 2000. - 11 p.
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999.
b production measurements with ATLAS / Robins, S (INFN, Rome)
The Large Hadron Collider at CERN will produce b hadrons with unprecedentedly high statistics, and with a higher energy reach than any previous machine. [...]
ATL-CONF-2000-008. - 2000. - 7 p.
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1000.
Crosstalk Measurements in the EM Barrel Module 0 from 99', May 00' and July 00' Beam Tests / Hubaut, F (Paris U., VI-VII)
This note reports test beam measurements of the crosstalk in the barrel electromagnetic calorimeter Module 0 tested at CERN in August 1999, May 2000 and July 2000. [...]
ATL-LARG-2000-009. - 2000. - 17 p.
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1001.
Unweighted event generation in hadronic WZ production at first order in QCD / Dobbs, M ; Lefebvre, M
We present an algorithm for unweighted event generation in the partonic process pp -> WZ(j) with leptonic decays at next-to-leading order in QCD. [...]
ATL-PHYS-2000-028. - 2000. - 9 p.
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1002.
Combining b-tagging methods using a neural network approach / Wolter, M ; Kaczmarska, A
The most powerful method of b-jet tagging in ATLAS experiment is based on the relatively long lifetime of B-hadrons and therefore a separation of the B-hadron decay vertex from the pp interaction point . [...]
ATL-INDET-2000-023. - 2000.
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1003.
Analysis of the MDT chamber assembly
ATL-MUON-97-154 ; ATL-M-PN-154. - 1997.
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1004.
Searching for Narrow Graviton Resonances with the ATLAS Detector at the Large Hadron Collider / Allanach, B.C. (Cambridge U., DAMTP) ; Odagiri, K. (Rutherford) ; Parker, Michael Andrew (Cambridge U.) ; Webber, B.R. (CERN ; Cambridge U.)
A spectrum of massive graviton states is present in several recent theoretical models that include extra space dimensions. [...]
hep-ph/0006114 ; CAVENDISH-HEP-00-07 ; DAMTP-2000-55 ; CERN-TH-2000-158 ; RAL-TR-2000-025 ; ATL-PHYS-2000-029 ; CAVENDISH-HEP-2000-07 ; CERN-TH-2000-158 ; DAMTP-2000-55 ; RAL-TR-2000-025. - 2000. - 13 p.
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1005.

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1006.
Online luminosity monitoring with liquid Argon calorimeters at ATLAS and D0 / Bonivento, W (CERN)
This note discuss a luminosity monitoring method for the high energy hadron colliders Tevatron and LHC, based on the measurement of the high voltage current of liquid Argon calorimeters. [...]
ATL-LARG-2001-001. - 2000.
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1007.
Impact of Service and Access Holes on the ATLAS Muon Spectrometer Performances / Pomarède, D ; Laporte, J F ; Nisati, A
In this note are assessed the consequences of large, permanent service and access holes in the layout of the ATLAS muon spectrometer. [...]
ATL-MUON-2000-023. - 2000. - 23 p.
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1008.
Quality Control of the optical response of the Extended Barrel modules of the ATLAS hadronic calorimeter. / Flix, J (Barcelona, Autonoma U.)
ATL-TILECAL-2000-016. - 2000. - 120 p.
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1009.
Event Filter Dataflow Software / Meessen, C ; Bee, C P ; Bosman, M ; Karr, K M ; Pacheco, A ; Qian, Z ; Touchard, F
This document describes the software handling the flow of events through the Event Filter. [...]
ATL-DAQ-2001-001. - 2000.
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1010.

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1011.
Use of optimal filtering in the 1999 data / Zitoun, R (Annecy, LAPP)
We present results obtained with the optimal filtering method and compare them with those obtained with the parabola method
ATL-LARG-2001-003. - 2000.
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1012.
Sensitivity study for a Z' boson decaying into two right-handed Majorana neutrinos at LHC in the ATLAS detector / Ferrari, A ; Collot, J
In the theoretical framework of the Left-Right Symmetric Model and the See-Saw mechanism, we report on the discovery potential for a new neutral $Z'$ gauge boson decaying into two right-handed Majorana neutrinos ($N_{l}$'s) at the future LHC. [...]
ATL-PHYS-2000-034. - 2000.
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1013.
Material between the presampler and the EMB module 0 / Perrodo, P (Annecy, LAPP)
This note presents an evaluation of the amount of material located between the presampler and the lAr electromagnetic barrel module 0. [...]
ATL-LARG-2001-002. - 2000.
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1014.
XTOMO2, Stereo-measurements of the MDT Muon Chambers using a High Precision X-Ray Tomograph / Benekos, N C ; Drakoulakos, D G ; Fabjan, Christian Wolfgang ; Falaleev, V P ; Krumshtein, Z ; Lejal, F ; Maugain, J M ; Rangod, Stephane ; Rohrbach, F ; Sedykh, Y V et al.
ATL-MUON-97-155 ; ATL-M-PN-155. - 1997.
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1015.
New Tilecal Beam Test Simulation Within Dice 95/Geant 3 Framework / Davidek, T (Charles U.)
The new Tilecal beam test Monte Carlo simulation code within the Dice 95/Geant 3 framework describing the August 2000 beam test setup is presented. [...]
ATL-TILECAL-2000-017. - 2000. - 7 p.
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1016.
PC-based Event Filter supervisor: Design and Implementation / Qian, Z ; Bee, C P ; Fede, E ; Meessen, C ; Touchard, F
This document presents PC-based EF supervisor design, based on JAva and Java Mobile Agents technology [...]
ATL-DAQ-2001-002. - 2000.
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1017.
Physics in ATLAS at a possible upgraded LHC / Azuelos, Georges ; Beck-Hansen, J ; Benchekroun, D ; Cakir, C ; De Jong, J ; Gianotti, F ; Hinchliffe, Ian ; Leroy, C ; Mehdiyev, R ; Paige, F E et al.
The impact on the physics capabilities of the ATLAS detector of possible LHC upgrades is discussed. [...]
ATL-PHYS-2001-002. - 2000.
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1018.
Definition of sets of photomultipliers for the tile hadron calorimeter of the ATLAS detector / Lefèvre, R ; Santoni, C ; Vazeille, F
In order to fulfil to technical and physical requirements, the photomultiplier blocks of the tile hadron calorimeter of ATLAS have to be classified in sets corresponding to different types of cells. [...]
ATL-TILECAL-2000-018. - 2000. - 12 p.
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1019.
Description of the ATLAS Hadronic End-Cap Calorimeter in XML / Karapetian, G V (Montreal U.)
The geometry of the Atlas Hadronic end-cap calorimeter (HEC) is implemented in XML language. [...]
ATL-LARG-2001-005. - 2000. - 11 p.
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1020.
On the impact of the muon spectometer alignment on the search for the SM Higgs boson in the 4mu channel / Avolio, G ; Cerutti, F
The impact of the alignment of the muon spectometer on the search of the SM Higgs boson decaying into four muons is stuied. [...]
ATL-MUON-2001-001. - 2001.
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1021.
Tridimensional measurements of the Barrel absorbers (Module 0) / Puzo, P ; Schwemling, P
In this note we describe the principle of the measurements done on the ATLAS absorbers that have been fabricated for the module 0 of the Liquid Argon Electromagnetic Barrel Calorimeter [...]
ATL-LARG-2001-004. - 2001. - 31 p.
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1022.
Data Base for the X-Ray Tomograph / Sedykh, Yu ; Smirnov, Yu
We describe the Objectivity C++ data base of the X-ray tomograph which was developed to store the scan parameters and the scan analysis results..
ATL-MUON-2001-009. - 2000. - 8 p.
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1023.
Calibration of the X-ray Tomograph / Avramidou, R ; Berbiers, Julien ; Boudineau, C ; Drakoulakos, D G ; Fabjan, Christian Wolfgang ; Grau, S ; Gschwendtner, E ; Krumshtein, Z ; Maugain, J M ; Rangod, Stephane et al.
An X-ray Tomograph has been constructed to measure the mechanical accuracy of the ATLAS Muon chambers. [...]
ATL-MUON-2001-008. - 2000. - 14 p.
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1024.
Cobra Overview / Lavrijsen, WTLP
This note provides an overview of the COmBined Reconstruction for Atlas (Cobra) package. [...]
ATL-SOFT-2001-001. - 2001. - 16 p.
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1025.
Optical Monitoring System for the MDT Assembly Stations / Kroha, H ; Schael, S
ATL-MUON-97-156 ; ATL-M-PN-156. - 1997.
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1026.
Uniformity Scan in the Outer Wheel of the Electromagnetic Endcap Calorimeter / Barrillon, P ; Djama, F ; Hinz, L ; Pralavorio, Pascal (CRN, IN2P3-CNRS/ULP, Strasbourg, France)
Module 0 of the Electromagnetic Endcap Calorimeter has been assembled and tested in 1999. [...]
ATL-LARG-2001-012. - 2001. - 30 p.
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1027.
Effective trapping time of electrons and holes in different silicon materials irradiated with neutrons, protons and pions / Kramberger, G ; Cindro, V ; Mandic, I ; Mikuz, M ; Zavrtanik, M
Silicon diodes fabricated on oxygenated and non-oxygenated silicon wafers with different bulk resistivities (1, 2 and 15 kOhm cm) were irradiated with neutrons, pions and protons to fluences up to 2.4x10**14 n/cm2 1 MeV neutron NIEL equivalent. [...]
ATL-INDET-2002-006. - 2001. - 13 p.
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1028.
Top-Antitop spin correlation measurement in the semi-leptonic decay channel in the ATLAS experiment. / Benchouk, C ; Hinz, L ; Monnier, E
The study of spin correlation in ttbar events produced at the LHC can probe for possible new physics in the strong production vertex. [...]
ATL-PHYS-2002-024. - 2001.
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1029.

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1030.
Review of the crosstalk in the module 0 of the Electromagnetic Endcap Calorimeter / Pralavorio, Pascal (CRN, IN2P3-CNRS/ULP, Strasbourg, France) ; Sauvage, D
This note presents a complete crosstalk map of the endcap calorimeter module 0. [...]
ATL-LARG-2001-006. - 2001. - 29 p.
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1031.
Muon Spectrometer Alignment in ATLAS: Reaching the Design Performance in the Endcap / Amelung, C (CERN)
The current alignment design for the muon endcap of the ATLAS detector is shown to be unable to provide the design accuracy. [...]
ATL-MUON-2001-018. - 2001. - 11 p.
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1032.
Calibration of a RASNIK system for the ATLAS Muon Spectrometer / Machefert, F P ; Guyot, C ; Schuller, J P ; Schune, P
We propose a scheme for the absolute calibration of a set of three individual RASNIK elements and of their bench supports. [...]
ATL-MUON-2001-010. - 2001. - 13 p.
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1033.
Definition of Offline Readout Identifiers for the ATLAS detector / Schaffer, RD ; Bentvelsen, Stanislaus Cornelius Maria
In this note we define a readout identification scheme to be used in the ATLAS offline software. [...]
ATL-SOFT-2001-004. - 2001. - 18 p.
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1034.
The PERSINT Manual / Virchaux, M ; Pomarède, D
This document describes the PERSINT Interactive Visualization program developed by the Saclay Muon Software Group. [...]
ATL-SOFT-2001-003. - 2001.
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1035.
TRT detector HV power supplies - specifications - version 1.1 / Hajduk, Z (Cracow, INP)
Following note is meant as basic specifications for final design of the TRT HV power supplies system. [...]
ATL-INDET-2001-001. - 2001.
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1036.
Alignment System of the ATLAS muon spectrometer: Influence of humidity variations on the dimensional stability of the bar system Note technique TA1/97-09 / Kanoute, P ; Nicquevert, B
ATL-MUON-97-157 ; ATL-M-PN-157. - 1997.
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1037.

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1038.
Improvements/Experience derived from wiring 10% of BIS MDTs / Fassouliotis, D ; Ioannou, P ; Kourkoumelis, C ; Pancheluga, V ; Pappas, D P ; Stefanidis, S ; Birioukov, V
This note describes the improvements performed to the University of Athens Muon Drift Tube assembly line. [...]
ATL-MUON-2001-005. - 2001. - 15 p.
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1039.
A new compact MTD wire tension meter / Fassouliotis, D ; Ioannou, P ; Kourkoumelis, C ; Stefanidis, S ; Kulemzin, A
This note describes a low-cost, compact, reliable, homemade wire tension meter used to check the wire tension of the MDTs during assembly- before leaving the wiring line of the University of Athens..
ATL-MUON-2001-003. - 2001. - 8 p.
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1040.
Muon Spectrometer Alignment in ATLAS: A Generalized Approach to Simulation / Amelung, C (CERN)
A program has been developed to simulate the performance of the alignment system for the ATLAS muon spectrometer. [...]
ATL-MUON-2001-011. - 2001. - 17 p.
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1041.

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1042.
Measurement Of The Top Quark Mass With The ATLAS Detector At LHC / David, M ; Cobal, M ; De Angelis, A ; Maio, A
At the LHC, one of the Standard Model fundamental parameters that will be measured with high accuracy, is the mass of the top quark. [...]
ATL-PHYS-2002-007. - 2001. - 23 p.
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1043.
The cosmic ray hodoscope for the MDT chamber test site in Roma Tre / Branchini, P ; Ceradini, F ; Iodice, M ; Orestano, D ; Petrucci, F ; Spiriti, E
We describe the RPC cosmic ray hodoscope built in Roma Tre for the test of the ATLAS muon chambers. [...]
ATL-MUON-2001-007. - 2001. - 11 p.
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1044.
Evaluation of Strip Detectors on Oxygenated Silicon for the ATLAS-SCT Forward Region / Andricek, L ; Lutz, Gerhard ; Moser, H G ; Richter, R H
Recent results of the RD48 (ROSE) collaboration suggest the usage of oxygen enriched silicon for sensors operated in the harsh radiation environment of future high luminosity experiments. [...]
ATL-INDET-2001-003. - 2001.
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1045.

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1046.
Understanding the ATLAS electromagnetic barrel pulse shapes and the absolute electronic calibration / Neukermans, L ; Perrodo, P ; Zitoun, R
We present an original method to undestand the calibration and physics pulse shapes collected in the 2000 barrel test beam runs with the prototype module. [...]
ATL-LARG-2001-008. - 2001. - 32 p.
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1047.
Measurement of the maximum drift time in the Calypso MDT Chamber / Bagnaia, P ; Bini, C ; Negri, A ; Oberson, P ; Rosati, S
ATL-MUON-97-158 ; ATL-M-PN-158. - 1997.
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1048.
Determination of alpha_s using jet cross section parameterizations at hadron colliders / Stenzel, H (Munich, Max Planck Inst.)
Precise measurements of the single inclusive jet cross section have been performed by the TEVATRON experiments and will be provided by the LHC experiments extending to larger values of transverse energy. [...]
ATL-PHYS-2001-003. - 2001. - 26 p.
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1049.
G4AGDD an AGDD based G4 application / Laporte, J F ; Chevalier, L ; Guyot, C ; Virchaux, M
The aim of this note is to present the G4AGDD application, a Geant 4 application using AGDD..
ATL-SOFT-2001-002. - 2001. - 14 p.
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1050.
Muon Signal in the Electromagnetic Barrel Calorimeter Module 0 from August -99 and May -00 Testbeam Data / Megner, L (Royal Inst. Tech., Stockholm)
Test beam data from the Electromagnetic Calorimeter Module 0 has been analyzed, and a signal from muons has been detected. [...]
ATL-LARG-2001-013. - 2001. - 14 p.
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1051.
EOL3 M0 X-ray Tomography Test Results / Avramidou, R ; Banhidi, Z ; Bozhko, N ; Borisov, A ; Goriatchev, V ; Goriatchev, S ; Gushin, V ; Fakhroutdinov, R ; Kojine, A ; Kononov, A et al.
Results of X-ray tomography test of EOL3 module 0 chamber is presented in the note. [...]
ATL-MUON-2002-009. - 2001. - 34 p.
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1052.
Alignment of irradiated and not irradiated pixel sensors in test-beam operation. / Lari, T
The procedures used to align pixel detectors in test beam operation are presented. [...]
ATL-INDET-2001-002. - 2001. - 11 p.
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1053.
Lorentz angle variation with electric field for ATLAS silicon detectors / Lari, T (INFN, Milan)
The material reported in this note has been presented at the Inner Detector general meeting during the February 2001 ATLAS week. [...]
ATL-INDET-2001-004. - 2001. - 6 p.
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1054.
Proton Induced Radiation Effects on a Xilinx FPGA and Estimates of SEE in the ATLAS Environment / Buchanan, N J ; Gingrich, D M
We have measured the proton induced single-event upset cross-section of a Xilinx SRAM-based FPGA. [...]
ATL-LARG-2001-011. - 2001. - 18 p.
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1055.
A program to calculate the ATLAS magnetic field / Nikitina, T ; Bergsma, F
Results and future extensions of a finite element program to calculate the ATLAS magnetic field with high precision. [...]
ATL-MAGNET-2001-002. - 2001. - 21 p.
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1056.
The e/h ratio of the ATLAS Hadronic Tile Calorimeter / Budagov, J.A. (Dubna, JINR) ; Kulchitsky, Y.A. (Dubna, JINR ; Minsk, Inst. Phys.) ; Kuzmin, M.V. (Dubna, JINR ; Minsk, Inst. Phys.) ; Vinogradov, V.B. (Dubna, JINR)
We have determined the e/h ratios of the Module-0 of the ATLAS Tile iron-scintillator barrel hadron calorimeter for five values of pseudorapidity $\eta$ in the range from -0.55 to -0.15 for the beam energy range from 10 GeV to 300 GeV on the basis of the July 1999 test beam data. [...]
hep-ex/0104046. - 2001. - 17 p.
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1057.
Calculation of the average magnetic permeability of the ATLAS tile calorimeter / Bergsma, F (CERN)
An approximation is given for the permeability of the tile calorimeter taking into account the thickness of the glue layer inbetween the tiles. [...]
ATL-MAGNET-2001-001. - 1997. - 13 p.
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1058.
Physics- and Detector-related Design Requirements for the ATLAS Toroid Magnet System / Chevalier, L ; Guyot, C ; Kozanecki, Witold ; Virchaux, M ; Wotschack, J
ATL-MUON-96-159 ; ATL-M-PN-159. - 1996.
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1059.
Electron Calibration of the TILECAL Module Cells / Kulchitskii, Yu A ; Kuzmin, M V ; Vinogradov, V B
We have performed the electron calibration of the cells of the ATLAS iron-scintillator tile barrel hadron calorimeter on the basis of the August 2000 test beam data. [...]
ATL-TILECAL-2001-002. - 2001.
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1060.

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1061.
A study of pp ->W' ->WZ at LHC in the ATLAS experiment / Arik, E ; Celik, O ; Mailov, A ; Benchekroun, D ; Hoummada, A ; Collot, J ; Ferrari, A
The potential for measuring the $W^\prime$WZ coupling with the ATLAS detector at LHC is investigated in this note. [...]
ATL-PHYS-2001-005. - 2001. - 24 p.
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1062.
Performance of the ATLAS Hadronic Endcap Calorimeter Modules to Electrons and Pions from 1999 Beam Test Data / Fortin, D ; Lefebvre, M
During the summer of 1999, the first six production modules of the Hadronic Endcap Calorimeter were assembled and installed in a beam test cryostat at CERN. [...]
ATL-LARG-2001-010 ; HEC-Note-104. - 2001. - 67 p.
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1063.
Model of the SCT detectors and electronics for the ATLAS simulation using Geant4 / Gadomski, S (Cracow, INP ; CERN)
This note presents a model that describes how the SCT detectors and electronics respond to ionization deposited by particles. [...]
ATL-SOFT-2001-005. - 2001. - 20 p.
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1064.
Limits on the Observability of Direct CP Violation in the Decay $B_d^0 \rightarrow J/\psi \;K_s^0$ for ATLAS / Booth, PA ; Buttar, C M ; Lehto, M H
The effects of CP violation in the decay $B_d^0 \rightarrow J/\psi\; K_s^0$ for low luminosity running at LHC for the ATLAS experiment were simulated using a simple Monte Carlo technique. [...]
ATL-PHYS-2001-013. - 2001. - 9 p.
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1065.
Precision Physics with the ATLAS Detector at the CERN LHC / Lagouri, T
A large number of precision measurements will be possible with the ATLAS experiment at the CERN Large Hadron Collider (LHC). [...]
ATL-CONF-2001-001. - 2001. - 15 p.
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1066.
Precision Physics with the ATLAS Detector at the CERN LHC . - rev. version / Lagouri, T (Munich, Max Planck Inst. ; CERN)
ATL-SLIDE-2001-001. - 2001. - 15 p.
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1067.
A study of the electrical properties and of the signal shapes in the ATLAS Liquid ARgon Accordion Calorimeter using a hardware model / Citterio, M ; Delmastro, M ; Fanti, M
The Milano group realized an apparatus that reproduces a small part of the EM calorimeter barrel. [...]
ATL-LARG-2001-018. - 2001. - 43 p.
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1068.
Study of the EM Barrel Module 0 with muons / Camard, A ; Hubaut, F ; Laforge, B ; Schwemling, P
Muons contaminating the high energy electron beam have been used to study the EM barrel module~0 response to ''minimum ionising'' particles. [...]
ATL-LARG-2001-017. - 2001. - 15 p.
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1069.
Contributions to Muon Resolution in the Air-Core Toroid / Halley, A (Munich, Max Planck Inst.)
ATL-MUON-93-016 ; ATL-M-PN-16. - 1993.
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1070.
Second-coordinate requirements in the ATLAS Muon Spectrometer / Kozanecki, W
ATL-MUON-97-160 ; ATL-M-PN-160. - 1997.
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1071.
Event Filter Rate for the D_s Trigger / Epp, B ; Ghete, V M ; Nairz, A
A set of cuts is proposed for the $D_s{\rightarrow}{\phi}(K^+K^-)\pi$ trigger at the Event Filter level derived from offline analysis. [...]
ATL-DAQ-2001-003. - 2001. - 7 p.
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1072.
Effects of Inner Detector Misalignment and Inefficiency on the ATLAS B-physics Trigger / Baines, J T M ; Epp, B ; Ghete, V M ; Nairz, A ; Sivoklokov, S Yu ; George, S ; Hollyman, G ; Hutchcroft, D E
The B-trigger relies on good quality track reconstruction, both in terms of efficiency and track parameter resolution, at transverse momenta down to ~1 GeV. [...]
ATL-DAQ-2001-006. - 2001. - 23 p.
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1073.
Electroweak Physics at the ATLAS Experiment at the CERN LHC / Ghete, V M (Innsbruck U.)
ATL-SLIDE-2001-002. - 2001. - 12 p.
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1074.
Silicon trackers digitization framework / Calvet, D (NIKHEF, Amsterdam)
This note describes the common framework which has been developed for the digitization of the two Atlas silicon trackers, the Pixel detector and the SCT..
ATL-SOFT-2001-006. - 2001. - 16 p.
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1075.
COMPARISON OF THE IN-PLANE THERMAL AND ELECTRICAL CONDUCTIVITIES AND TRANSVERSE PULL STRENGTHS OF VARIOUS PYROLYTIC GRAPHITE MATERIALS. / Antonov, AA ; Grigorieva, I G ; Kotosonov, A S ; Sazonov, GG ; Shilo, D V ; Kholodenko, A G ; Riadovikov, VN ; Moser, H G
Different pyrolytic graphite materials were produced varying the annealing parameters such as temperature, pressure and time [...]
ATL-INDET-2002-003. - 2001.
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1076.
PHYSICS POTENTIAL AND DETECTOR IMPLICATIONS OF AN UPGRADED LHC / Tapprogge, Stefan (Helsinki Inst. of Phys.)
Results of a first assessment on the impact of an upgrade for the LHC machine on the physics potential are reported, considering both the effects on an upgrade in luminosity and of a hypothetical upgrade in center-of-mass energy. [...]
ATL-CONF-2001-003. - 2001. - 20 p.
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1077.
Prospects for Higgs studies at LHC / Costanzo, D (Pisa U. ; INFN, Pisa)
A major goal of the future Large Hadron Collider will be the Higgs boson search. [...]
ATL-CONF-2001-002 ; hep-ex/0105033. - 2001. - 8 p.
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1078.
The Quality Assurance_Quality Control of the Monitored Drift Tubes at the HEP Laboratory of the National Technical University of Athens / Alexopoulos, T ; Avramidou, R ; Dris, M ; Filippas, A V ; Fokitis, E ; Gazis, E N ; Katsoufis, E C ; Maltezos, A ; Maltezos, S ; Papadopoulos, E et al.
The description of the Quality Assurance and Quality Control (QA_QC) procedures for the Monitored Drift Tubes (MDT's) followed at the HEP Laboratory of NTUA are presented and results of the tested tubes are given. [...]
ATL-MUON-2001-019. - 2001. - 27 p.
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1079.
Cobra Performance / Lavrijsen, WTLP (Nijmegen U.)
This note presents the performance of the Cobra combined muon reconstruction package. [...]
ATL-SOFT-2001-008. - 2001. - 13 p.
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1080.
PESA high-level trigger selection software requirements / George, S
This note describes the software needed to select events in the ATLAS high level trigger. [...]
ATL-DAQ-2001-005. - 2001. - 34 p.
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1081.
Studies on A0, Z' and W' with ATLAS Muon Detector / Shank, J T ; Sliwa, K ; Taylor, F ; Willis, S ; Zhou, B
ATL-MUON-97-161 ; ATL-M-PN-161. - 1997.
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1082.
On the impact of the muon spectrometer alignment on the search for the MSSM Higgs boson A in the 2-mu channel / Avolio, G ; Cerutti, F
A study on the impact of the muon spectrometer alignment on the search for a MSSM Higgs boson A decaying into two muons is reported. [...]
ATL-MUON-2001-016. - 2001. - 6 p.
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1083.
MDT-ASD, CMOS front-end for ATLAS MDT . - rev. version 2.1 / Posch, C ; Hazen, E ; Oliver, J
This document serves as the main reference and user`s manual for the read-out chip of the Monitored Drift Tubes in the ATLAS Muon Spectrometer. [...]
ATL-MUON-2002-003. - 2007. - 46 p.
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1084.
Gas Control Software for the TRT Gas System Prototype / Assamagan, Ketevi A
A gas system software developed for a gas system prototype of the ATLAS Transition Radiation Tracker (TRT) is described. [...]
ATL-INDET-2001-005. - 2001. - 91 p.
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1085.
AGDD-Geant4 description of the EM Barrel Presampler / Benchekroun, D ; Collot, J
The AGDD is used to describe the barrel presampler geometry in the XML language. [...]
ATL-LARG-2001-015. - 2001. - 9 p.
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1086.
Sensitivity of the ATLAS detector to extra dimensions in di-photon and di-lepton production processes / Kabachenko, V V ; Miagkov, Alexei ; Zenin, Anton
The processes of photon and lepton pair production are studied in models where gravity can propagate in large extra dimensions. [...]
ATL-PHYS-2001-012. - 2001. - 13 p.
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1087.
Measurement of Common Mode Noise in Binary Read-Out Systems / Feld, L ; Roe, S ; Ahmad, A ; Snow, S W
Estimators for the magnitude of common mode noise in a binary read-out system are studied using a simple Monte-Carlo program, and the theoretical background is explained. [...]
ATL-INDET-2001-006. - 2001. - 15 p.
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1088.
Monte-Carlo simulations of different concepts for shielding in the ATLAS experiment forward region / Stekl, I ; Bedajanek, I ; Eschbach, R ; Kovalenko, V E ; Leroy, C ; Marquet, C ; Palla, J ; Piquemal, F ; Pospísil, S ; Shupe, M A et al.
The role and performance of various layers (steel, cast iron (CI), concrete, lead, borated polyethylene (BPE), lithium filled polyethylene (LiPE)) and their combinations as shielding against neutrons and photons in the ATLAS experiment forward region (JF shielding) has been studied by means of Monte-Carlo simulations. [...]
ATL-TECH-2001-002. - 2001. - 28 p.
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1089.

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1090.
Performance of the EM end-cap presampler in the 1999 testbeam run / Aulchenko, V M ; Chernyak, D V ; Kazanine, VF ; Kolachev, G M ; Malyshev, VM ; Maslennikov, A L ; Pivovarov, S G ; Pospelov, G E ; Choucharo, AI ; Snopkov, RG et al.
Two electromagnetic end-cap presampler modules were tested together with the EM end-cap calorimeter Module 0 on H6 SPS electron beam at CERN in September-October 1999. [...]
ATL-LARG-2001-016. - 2001. - 27 p.
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1091.
Measuring sparticle masses in non-universal string inspired models at the LHC / Allanach, B.C. (Cambridge U., DAMTP) ; Lester, C.G. (Cambridge U.) ; Parker, Michael Andrew (Cambridge U.) ; Webber, B.R. (Cambridge U. ; CERN)
We demonstrate that some of the suggested five supergravity points for study at the LHC could be approximately derived from perturbative string theories or M-theory, but that charge and colour breaking minima would result. [...]
hep-ph/0007009 ; DAMTP-1999-86 ; CAVENDISH-HEP-00-06 ; CERN-TH-2000-149 ; CERN-TH-2000-149 ; ATL-PHYS-2002-005 ; DAMTP-1999-86 ; CAVENDISH-HEP-2000-06. - 2000. - 32 p.
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1092.
Shielding modifications and their influence on the background values / Ferrari, A ; Sala, P R
ATL-MUON-97-162 ; ATL-M-PN-162. - 1997.
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1093.
The qqbar -> W(->l nu)g*(->bb) process: matrix element implementation to PYTHIA 6.1 / Kersevan, Borut P ; Richter-Was, Elzbieta
The Wbbar production at LHC is recognised as a substantial irreducible background for observability of the Standard Model (SM) or Minimal Standard Model (MSSM) Higgs boson in the associated production, WH, followed by the H-->bb decay. [...]
ATL-PHYS-2001-020. - 2001. - 20 p.
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1094.
The gg, qqbar -> Z/gamma*(-> l l ) b bbar process: matrix element implementation to PYTHIA 6.1 / Kersevan, Borut P ; Richter-Was, Elzbieta
The Z/gamma* (--> l l) b bbar production at LHC is a potentially severe background for observability of different Standard Model (SM) and Minimal Supersymmetric Standard Model (MSSM) Higgs boson(s) decay channels. [...]
ATL-PHYS-2001-021. - 2001.
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1095.
A method to measure the t-quark mass at LHC with small systematic error. / Kostyukhin, V (Serpukhov, IHEP)
A method to measure the top quark mass in the inclusive lepton plus jets channel at LHC is presented. [...]
ATL-PHYS-2001-006. - 2001. - 18 p.
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1096.
Uniformity scan in the Inner Wheel and the crack between the two wheels (eta=2.5) of the Electromagnetic End-cap Calorimeter / Barrillon, P ; Djama, F ; Hinz, L ; Pralavorio, Pascal (CRN, IN2P3-CNRS/ULP, Strasbourg, France)
The Module 0 of the electromagnetic end-cap calorimeter was assembled and tested with electron beams in 1999. [...]
ATL-LARG-2001-014. - 2001. - 25 p.
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1097.
Electron Trigger Performance Studies for the Event Filter / Mommsen, R K (Bern U., LHEP)
In this note a comprehensive study of the high-Pt single electron trigger at the event filter of ATLAS is presented. [...]
ATL-DAQ-2001-004. - 2001. - 21 p.
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1098.
Magnetic Field and Force Calculations for ATLAS Asymmetrical Structure / Nessi, Marzio ; Vorojtsov, S B (JINR, Dubna, Russia/)
Magnetic field distortion in the assymetrical ATLAS structure are calculated. [...]
ATL-TECH-2001-001. - 2001. - 20 p.
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1099.
Particle Identification in the ATLAS Muon Spectrometer / Novák, G S ; Posch, C ; Riegler, W
The front end electronics to be installed on ATLAS MDTs will include an ADC which can be used for time slewing corrections or for particle identification via dE/dx measurements. [...]
ATL-MUON-2001-013. - 2001. - 17 p.
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1100.
Determination of SCT Wheel Positions / Haywood, S (Rutherford)
This note documents the proposed final values for the SCT Endcap Wheel positions..
ATL-INDET-2001-007. - 2001. - 14 p.
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1101.
A New Hadronic-Track Parameterisation for Fast Simulation of the ATLAS Inner Detector / Epp, B ; Ghete, V M ; Nairz, A
This note presents a new parameterisation for hadronic-track smearing, which can be applied in fast simulation of the ATLAS Inner Detector. [...]
ATL-PHYS-2001-009. - 2001. - 22 p.
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1102.
Thermal Qualification of ATLAS Pixel Detector Disk Sector Prototypes / Gilchriese, M G D ; Johnson, T ; McCormack, F ; Weber, T ; Wirth, J ; Wise, W
The thermal qualification tests for the ATLAS Pixel Detector disk sector prototypes are described. [...]
ATL-INDET-2001-008. - 2001. - 12 p.
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1103.
Test Beam Results of a BMS MDT Chamber for the ATLAS Muon Spectrometer / Trefzger, T M
ATL-MUON-97-163 ; ATL-M-PN-163. - 1997.
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1104.
Final definition of sets of photomultipliers for the tile hadron calorimeter of the ATLAS detector. / Lefèvre, R ; Santoni, C ; Vazeille, F
In order to fulfil to technical and physical requirements, the photomultiplier blocks of the tile hadron calorimeter of ATLAS have to be classified in sets corresponding to different types of cells. [...]
ATL-TILECAL-2001-003. - 2001. - 11 p.
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1105.
Search for Excited Electrons with ATLAS at LHC / Cakir, O ; Leroy, C ; Mehdiyev, R
We study the single production of excited electrons at teh CERN LHC through contact interactions of fermions. [...]
ATL-PHYS-2001-015. - 2001.
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1106.

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1107.
Mermaid 3D code in ATLAS applications / Dubrovin, AN ; Simonov, E A (Binp, Novosibirsk) ; Vorojtsov, S B (JINR, Dubna, Russia/)
The paper describes the new periodic boundary condition model of ATLAS detector and changes in the Mermaid 3D code algorithms necessary to calculate it. [...]
ATL-TECH-2001-003. - 2001. - 9 p.
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1108.
Athena Pile-Up Requirements / Luehring, F C
Requirements for the pile-up algorithm in Athena are derived from experiences of simulating pile-up for the Physics TDR and from user requirements. [...]
ATL-SOFT-2001-007. - 2001. - 11 p.
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1109.
On the possibility to determine the gluon structure function in the ATLAS experiment using the direct photon away-side jet cross section at the LHC collider / Abouelouafa, M ; Cherkaoui, R
In lowest order perturbative quantum chromodynamics, high transverse momentum direct photon production accompanied by a recoil hadronic jet is studied in LHC pp collisions at sqrt(s) =14 TeV. [...]
ATL-PHYS-2001-014. - 2001.
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1110.
A study of ROD compression schemes for the TRT / Dam, Mogens (Bohr Inst.)
Zero suppression of the TRT data is foreseen already at the ROD level. [...]
ATL-INDET-2001-009. - 2001. - 15 p.
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1111.
Delay Cables and Output Cables for the Tilecal's Trigger Summing Board / Cerquera, AS ; Seixas, J M ; Heriques, A
This note describes the two types of cables used by the trigger summing board, located on the Tilecal's drawer, the delay cables used to connect the 3-in-1 card to the trigger board's inputs, and the output cables to send the Trigger Board's output signals to the drawer's patch panel. [...]
ATL-TILECAL-2001-004. - 2001.
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1112.
ATLAS calorimeter performance for identification of gamma, pi0 and eta particles at low transverse momentum. / Ohlsson-Malek, F ; Melcher, M
In ATLAS CP violation is studied in the B meson decays. [...]
ATL-PHYS-2001-023 ; ISN-01.75. - 2001. - 22 p.
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1113.
ATLAS Event Filter Tests on the ASGARD cluster at ETH Zurich / Bee, C P ; Etienne, F ; Fede, E ; Meessen, C ; Nacasch, R ; Qian, Z ; Touchard, F
We present here results from a series of tests of the supervision system of the PC-based ATLAS Event Filter prototype performed at the asgard Cluster at ETH Z rich. [...]
ATL-DAQ-2001-007. - 2001. - 9 p.
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1114.
The First Full-Scale Prototype of a BMS MDT Chamber / Ackermann, K H
ATL-MUON-97-164 ; ATL-M-PN-164. - 1997.
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1115.
Measurement of amplifier pulse shapes in SCT modules using a laser setup / Gadomski, S ; Reznicek, P
We have developed a technique to measure the shape of an average pulse at an output of the front-end amplifier in the SCT binary electronics (ABCD chips) in response to a laser signal. [...]
ATL-INDET-2001-010. - 2001. - 9 p.
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1116.
Pulse Propagation on close conductors / Dieckmann, A (Bonn U., ELSA)
The propagation and reflection of arbitrarily shaped pulses on non-dispersive parallel conductors of finite length with user defined cross section is simulated employing the discretized telegraph equation. [...]
ATL-ELEC-2001-001. - 2001. - 60 p.
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1117.
QCD Processes at the LHC / Stavropoulos, G D (CERN)
The study of QCD processes at the LHC will serve two main goals. [...]
ATL-SLIDE-2001-003. - 2001.
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1118.
Comparative Analysis of the ATLAS Tile Calorimeter response to Pions and Protons / Constantinescu, S ; Dita, S ; Henriques, A ; Nessi, Marzio ; Stanek, R
A comparative analysis of the calorimeter response to pions and protons has been done using positive pion beams obtained in the H8 beam line at SPS where among pions there is also a significant amount of protons and muons. [...]
ATL-TILECAL-2001-005. - 2001. - 25 p.
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1119.
QCD Processes at the LHC . - rev. version / Stavropoulos, Georgios D. (CERN)
The study of QCD processes at the LHC will serve two main goals. [...]
hep-ph/0111420. - 2001. - 4 p.
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1120.
ATLAS Muon Spectrometer Detector Description Database Planning Document / Goldfarb, S (Michigan U.)
This document briefly summarizes the current status and future plans for the development of the ATLAS Muon Spectrometer detector description database. [...]
ATL-MUON-2001-015. - 2001. - 12 p.
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1121.
Dataflow integration of the calorimeter trigger CPROD with the RoI Builder and the ROS / Barnett, B M ; Dawson, J ; Ermoline, E ; Gee, CNP ; Landon, M P J ; Schlereth, J L (Argonne Nat Lab Argonne)
A first dataflow integration test was performed in April 2001 between the Level-1 Calorimeter Trigger Cluster Processor ROD (CPROD), the RoI Builder (RoIB), and the Readout Sub-System (ROS). [...]
ATL-DAQ-2001-008. - 2001. - 11 p.
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1122.
First results of the 2001 MDT chambers beam test. / Avolio, G ; La Rotonda, L ; Meoni, E ; Beretta, M ; Bilokon, H ; Braccini, S ; Chiarella, V ; Curatolo, M ; Esposito, B ; Maccarrone, G et al.
Three MDT chamber prototypes have been exposed to the H8 muon test beam during september 2001. [...]
ATL-MUON-2003-001. - 2001. - 18 p.
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1123.
Performance of the ATLAS Hadronic End-Cap Calorimeter in Beam Tests / Dowler, B (Alberta U.) ; Pinfold, J L (Alberta U.) ; Soukup, J (Alberta U.) ; Vincter, M G (Alberta U.) ; Cheplakov, A P (Dubna, JINR) ; Datskov, V I (Dubna, JINR) ; Fedorov, A (Dubna, JINR) ; Javadov, N (Dubna, JINR) ; Kalinnikov, V (Dubna, JINR) ; Kakurin, S (Dubna, JINR) et al.
Modules of the ATLAS liquid argon Hadronic End-cap calorimeter (HEC) were exposed to beams of electrons, muons and pions in the energy range 6GeV<E<200GeV at the CERN SPS. [...]
ATL-LARG-2001-019. - 2002. - 63 p.
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1124.
Refractive Bending of Light due to Thermal Gradients in Air / Schricker, Alexander (CERN)
The principal feature of an alignment system is a straight line reference. [...]
ATL-MUON-2001-017. - 2001. - 10 p.
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1125.
Endplug Design and Precision Wiring Technique for the MDT Muon Chambers / Ackermann, K H
ATL-MUON-97-165 ; ATL-M-PN-165. - 1997.
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1126.
In-situ jet energy calibration methods in ATLAS at the CERN LHC / Biscarat, C
The physics goal of the ATLAS collaboration involving searches for new particles and precise measurements sets the chalenging goal to know the jet energy scale to an accuracy of 1%. In-situ calibration methods are reviewed. [...]
ATL-SLIDE-2003-001; PCCF-RI-200-115.- Geneva Aubière : CERN, Clermont-Ferrand 2. Lab. Phys. Corpusc. Cosmol., 2001 - 11 p. Transparencies from talks on ATLAS Fulltext: PDF; External link: IN2P3 Publications database
In : April Meeting 2001 of the American Physical Society (APS), Washington, DC, USA, 28 Apr - 1 May 2001
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1127.
First straw straightness measurements on a 4-plane end-cap ATLAS TRT wheel / Lucotte, A ; Kovalenko, S ; Mitsou, V A ; Mouraviev, S V ; Nadtochy, A
This document reports the first results and their interpretation of the straw straightness measurements that have been performed on the first 4-plane end-cap prototype of the ATLAS TRT. [...]
ATL-INDET-2002-007. - 2001. - 32 p.
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1128.
Electrical Characteristics of Silicon Pixel Sensors / Gorelov, I ; Gorfine, G ; Hoeferkamp, M ; Mata-Bruni, V ; Santistevan, G ; Seidel, S C ; Ciocio, A ; Einsweiler, K F ; Emes, J ; Gilchriese, M G D et al.
Prototype sensors for the ATLAS silicon pixel detector have been electrically characterized. [...]
ATL-INDET-2001-011. - 2001. - 24 p.
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1129.
Signal Reconstruction in Module 0 of the End-Cap Electromagnetic Calorimeter and Presampler / Barrillon, P ; Djama, F ; Hinz, L ; Pralavorio, Pascal (CRN, IN2P3-CNRS/ULP, Strasbourg, France)
This note describes signal reconstruction of the EMEC module 0. [...]
ATL-LARG-2001-022. - 2001. - 12 p.
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1130.
Parameter of MDT Ageing and Reanimation / Kircher, S ; Kollefrath, M ; Herten, G ; Mohr, W
We present results of ageing tests performed in Ar-CH4-N2-CO2 (94-3-2-1) and Ar-CO2 (93-7). [...]
ATL-MUON-2001-012. - 2001. - 13 p.
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1131.
Isolation of Photons / Wielers, M (TRIUMF)
Photon identification in ATLAS is based mainly on the shower shapes in the calorimeters, conversion reconstruction and a track veto. [...]
ATL-PHYS-2002-004. - 2001. - 19 p.
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1132.
The gg,qqbar --> t tbar b bbar process: matrix element implementation to PYTHIA6.1 / Kersevan, Borut P ; Richter-Was, Elzbieta
The ttbb production at LHC is a dominant irreducible background for observability of the Standard Model (SM) and Minimal Supersymmetric Standard Model (MSSM) Higgs boson in the associated production, ttH, followed by the H-->bb decay. [...]
ATL-PHYS-2001-022. - 2001. - 33 p.
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1133.
Summary of ATLAS System Milestones / Kotamaki, M ; Wells, P S
This document lists ATLAS "LHCC" milestones for the initial detector configuration, with their latest Baseline and Actual dates..
ATL-GEN-2003-001 ; CERN-LHCC-2001-35. - 2001.
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1134.
ROD algorithm performances using the DSP TMS320C64x / Henry-Coüannier, F ; Monnier, E
In the following note, performances of the DSP TMS320C64x are presented in the framework of the LARG ROD system. [...]
ATL-LARG-2001-020. - 2001. - 23 p.
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1135.
The PMT Test-Bench in Pisa / Cicalini, E ; Costanzo, D ; Del Prete, T ; Mazzoni, E ; Usai, G L
One of the seven test-bench for the R7877 Hamamatsu photomultipliers has been set into operation in Pisa. [...]
ATL-TILECAL-2001-007. - 2001. - 23 p.
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1136.
The Jigging Setup for the Assembly of the 1997 BOS Prototype Chamber / Ackermann, K H
ATL-MUON-97-166 ; ATL-M-PN-166. - 1997.
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1137.
A study to assess the possibility to enlarge the Tile Calorimeter ADC dynamic range / Roda, C (INFN, Pisa)
The Hadronic Tile Calorimeter is readout using a dual gain ADC which allows to measure single cell signal ranging from about 100 MeV, corresponding to 0.1 MIP, up to about 1.5 TeV. [...]
ATL-TILECAL-2002-001. - 2001. - 7 p.
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1138.
Beamtests of Prototype ATLAS SCT Modules at CERN H8 in June and August 2000 / Barr, A J ; Carter, A A ; Carter, J R ; Dolezal, Z ; Hill, J C ; Horazdovsky, T ; Kodys, P ; Eklund, L ; Llosa, G ; Moorhead, G F et al.
We report on the beamtest measurements of prototype ATLAS Semicondcuctor Tracker (SCT) modules performed during June and August 2000 at the H8 beamline at the CERN SPS. [...]
ATL-INDET-2002-005. - 2001. - 32 p.
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1139.
Performance and tests of the cooling system for the ATLAS Tile hadron calorimeter modules calibrations / Bonneau, P ; Grenier, P ; Henriques-Correia, A M ; Montarou, G ; Schlager, G ; Varelá-Rodriguez, F ; Vassent, M
The cooling system used for the ATLAS Tile calorimeter modules calibration in beam is presented. [...]
ATL-TILECAL-2001-006. - 2001. - 18 p.
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1140.
Optimization of Repetition Parameters For ABCD3T Chip Analogue Tests / Flacco, C J ; Ciocio, A ; Fadeev, V
For the purpose of reducing the testing time of the ABCD3T chip wafers for the ATLAS SCT, we need to optimize the values of the repetition parameters and the sequence of tests involved in both analogue and digital measurements of the chip. [...]
ATL-INDET-2002-008. - 2001.
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1141.
Determination of the top quak mass from t -> l +J/Psi+X decays / Grenier, P (CERN)
A study of the measurement of the top quark mass in leptonic final states with J/Psi is presented.This indirect method for the determination of the top quark mass relies heavily on the proper Monte Carlo description of top production and decay.This channel,which can be exploited only at high luminosity,would allow a precise measurement of the top mass with both statistical and systematic uncertainties at the level of 1 GeV..
ATL-PHYS-2001-016. - 2001. - 9 p.
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1142.
Avoiding rate limitations in the staging of the LArg ROD system / Henry-Coüannier, F ; Monnier, E ; Fayard, Louis ; Matricon, P ; Hubaut, F ; Laforge, B
Technical discussions are ongoing to finalize the LArg ROD system [...]
ATL-LARG-2001-021. - 2001. - 5 p.
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1143.
The hadronic tau decay of a heavy charged Higgs in models with singlet neutrino in large extra dimensions / Assamagan, Ketevi A ; Deandrea, A
We study the LHC sensitivity to the charged Higgs discovery in the channel H^- ---> \tau^-_L\nu in models with a singlet neutrino in large extra dimensions. [...]
ATL-PHYS-2001-019. - 2001. - 11 p.
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1144.
Test results for the Jet/Energy Processor of the ATLAS Level-1 Calorimeter Trigger / Garvey, J (Birmingham U.) ; Achenbach, R (Kirchhoff Inst. Phys.) ; Apostologlou, P (Rutherford) ; Ay, C (Mainz U., Inst. Phys.) ; Barnett, B M (Rutherford) ; Bauss, B (Mainz U., Inst. Phys.) ; Brawn, I P (Rutherford) ; Bohm, C (Stockholm U.) ; Dahlhoff, A (Mainz U., Inst. Phys.) ; Davis, A O (Rutherford) et al.
The Jet/Energy-sum Processor is one of three processing units of the ATLAS Level-1 Calorimeter Trigger. It identifies and finds the location of jets, and sums total and missing transverse energy information from the trigger data. [...]
ATL-DAQ-2003-049.- Geneva : CERN, 2003 - 5 p. Access to fulltext: PDF; Published version from CERN: PDF;
In : 9th Workshop on Electronics for LHC Experiments, Amsterdam, The Netherlands, 29 Sep - 3 Oct 2003, pp.235-239 (CERN-2003-006)
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1145.
ATLAS Level-1 Calorimeter Trigger : Subsystem Tests of a Jet/Energy-sum Processor Module / Garvey, J (Birmingham U.) ; Hillier, S J (Birmingham U.) ; Mahout, G (Birmingham U.) ; Moye, T H (Birmingham U.) ; Staley, R J (Birmingham U.) ; Watkins, P M (Birmingham U.) ; Watson, A T (Birmingham U.) ; Achenbach, R (Kirchhoff Inst. Phys.) ; Hanke, P (Kirchhoff Inst. Phys.) ; Kluge, E E (Kirchhoff Inst. Phys.) et al.
The ATLAS Level-1 Calorimeter Trigger consists of a Preprocessor, a Cluster Processor (CP), and a Jet/Energy-sum Processor (JEP). [...]
ATL-DAQ-2003-055. - 2004. - 5 p.
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1146.
ATLAS calibration delay chip study / Massol, N (Annecy, LAPP)
The delay chip is an ASIC developed to precisely adjust signals within the range of 0-24ns in steps of 1ns. [...]
ATL-ELEC-2004-001. - 2003. - 13 p.
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1147.
Tile Calorimete : Pre-Assembly Summary and Barrel Assembly Plan / Proudfoot, J ; Batoussov, V ; Liablin, M V ; Topilin, N D
The barrel survey results from the pre-assembly in Building 185 are reviewed. [...]
ATL-TILECAL-2004-004. - 2004. - 16 p.
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1148.
Comparison of FEA Calculations with Cryostat Dummy Weight Test Results / Guarino, V (Argonne, PHY)
Extensive Finite Element analyses were performed to determine the loads and stresses acting on the EB and Barrel during assembly and in its final configuration. [...]
ATL-TILECAL-2004-005. - 2004. - 15 p.
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1149.
Measurement of light attenuation angular dependence in double clad wavelength shifting fiber Y11(200)MS / Adamyan, F ; Hakobyan, H ; Simonyan, M
Measurements of attenuation in double clad WLS fiber Y11(200)MS[1] have been carried out using blue LED source and angular positioning of photo-detector. [...]
ATL-TILECAL-2004-006. - 2004.
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1150.
The ATLAS LARG ROD G-Links Cooling System / Hubaut, F ; Laforge, B ; Repain, P ; Rossel, F ; Vincent, D
In this note is described the water cooling system that will be implemented on the ROD boards of the liquid argon calorimeter detectors in order to guarantee a proper behavior of the optical reception of the data..
ATL-ELEC-2004-002. - 2004. - 15 p.
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1151.
TTC System Implementation for ATLAS Liquid Argon Detectors (V.2.2.2) / Laforge, B ; Perrot, G
This note presents the scheme foreseen for the implementation of the TTC system within the ATLAS liquid argon detectors. [...]
ATL-ELEC-2004-003. - 2004. - 11 p.
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1152.
SPAC Master VME64 boards User Guide / Dhellot, M ; Escalier, M ; Laforge, B ; Le Dortz, O ; Martin, D ; Parraud, J M
This note describes the SPAC Master board used to setup and monitor the front end crate electronics of the Liquid Argon calorimeters..
ATL-ELEC-2004-004. - 2004. - 20 p.
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1153.
Report of the MDT IHEP Beijing Site Review March 25 – 26, 2004 / Curatolo, M ; Daly, C ; Esposito, B ; Ferrari, R ; Lubatti, H J ; Petridou, C ; Wellenstein, H ; Zhao, T ; Zhou, B
In view of the start of the series production of the MDT chambers, the Review of the IHEP(Beijing) Atlas-MDT construction site was held on March 25 and 26, 2004. [...]
ATL-MUON-2004-013. - 2004. - 14 p.
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1154.
Drift time response of the MDT chambers to a variation of the gas mixture / Beretta, M ; Braccini, S ; Chiarella, V ; Curatolo, M ; Esposito, B ; Ferrer, M L ; Martini, A ; Maccarrone, G ; Mei, W
Using the cosmic ray stand at Laboratori Nazionali di Frascati, the drift time response of a MDT-BML chamber is studied, in different positions with respect to the incoming gas flow, during an induced variation of the gas mixture. [...]
ATL-MUON-2004-012. - 2004. - 11 p.
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1155.
MDT Ageing Studies : Results of the measurements conducted at the Gamma Irradiation Facility GIF between autumn 2001 and summer 2003 / Zimmermann, S ; Cernoch, C
This note summarizes the results of MDT ageing studies conducted at the CERN Gamma Irradiation Facility GIF between autumn 2001 and summer 2003, using for the first time a series-production MDT chamber (of type BIS) and a prototype of the gas recirculation system to be installed at Atlas. [...]
ATL-MUON-2004-019. - 2004. - 22 p.
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1156.
MDT Autocalibration using MINUIT / Amelung, C (CERN)
A novel method for obtaining the space-drift time relationship r(t) of the ATLAS muon spectrometer monitored drift tubes (MDTs) from measured drift times, the so-called autocalibration procedure, is presented. [...]
ATL-MUON-2004-020. - 2004. - 22 p.
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1157.
The ATLAS Level-1 Central Trigger System 015 / Borrego-Amaral, P ; Ellis, Nick ; Farthouat, Philippe ; Gällnö, P ; Haller, J ; Maeno, T ; Pauly, T ; Pessoa-Lima, H ; Resurreccion-Arcas, I ; Schuler, G et al.
ATL-DAQ-2004-015 ; ATL-COM-DAQ-2004-024 ; CERN-ATL-COM-DAQ-2004-024. - 2004.
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1158.
The ATLAS Local Trigger Processor (LTP) 016 / Borrego-Amaral, P (CERN) ; Ellis, Nick (CERN) ; Farthouat, Philippe ; Gällnö, P (CERN) ; Maeno, T (CERN) ; Pessoa-Lima, H ; Resurreccion-Arcas, I (CERN) ; Schuler, G (CERN) ; De Seixas, J M (CERN) ; Spiwoks, R (CERN) et al.
ATL-DAQ-2004-016 ; ATL-COM-DAQ-2004-025 ; CERN-ATL-COM-DAQ-2004-025. - 2005.
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1159.
The ATLAS Level-1 Central Trigger Processor Core Module (CTP_CORE) / Spiwoks, R ; Borrego-Amaral, P (CERN) ; Ellis, Nick (CERN) ; Farthouat, Philippe (CERN) ; Gällnö, P (CERN) ; Haller, J (CERN) ; Maeno, T (CERN) ; Pauly, T (CERN) ; Pessoa-Lima, H (Universidade Federal do Rio de Janeiro/COPPE, Rio de Janeiro, Brazil) ; Resurreccion-Arcas, I (CERN) et al.
ATL-DAQ-2004-017 ; ATL-COM-DAQ-2004-026 ; CERN-ATL-COM-DAQ-2004-026. - 2005.
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1160.
Low PT Muon Identification in the ATLAS Detector at the LHC / Tarem, s ; Panikashvili, N
Muon identification and high momentum measurement accuracy is crucial to fully exploit the physics potential of the ATLAS experiment at the LHC. [...]
ATL-SOFT-2004-003 ; ATL-COM-SOFT-2004-005 ; CERN-ATL-COM-SOFT-2004-005. - 2004.
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1161.
The Simulation of the ATLAS Experiment : Present Status and Outlook / Rimoldi, A (Pavia U. ; INFN, Pavia) ; Dell’Acqua, A (CERN) ; Gallas, M (CERN) ; Nairz, A (CERN) ; Boudreau, J (Pittsburgh U.) ; Tsulaia, V (Pittsburgh U.) ; Costanzo, D (LBL, Berkeley)
The simulation program for the ATLAS experiment is presently operational in a full OO environment. [...]
ATL-SOFT-2004-004 ; ATL-COM-SOFT-2004-006 ; CERN-ATL-COM-SOFT-2004-006. - CERN, 2005. - 8 p.
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1162.
The Monitoring Program for the ATLAS Tile Calorimeter / Adragna, P ; Dotti, A ; Roda, C
The Tile Calorimeter is a steel-scintillator device which constitutes the central hadronic section of the ATLAS Calorimeter. [...]
ATL-TILECAL-2004-011 ; ATL-COM-TILECAL-2004-011 ; CERN-ATL-COM-TILECAL-2004-011. - 2004.
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1163.
Radiation and induced activation at high luminosity / Hedberg, V ; Shupe, M
The effects on radiation levels and background rates of an increase of the luminosity at the LHC from 10^34 to 10^35 cm^-2 s^-1 have been studied. [...]
ATL-TECH-2004-002 ; ATL-COM-TECH-2004-003 ; CERN-ATL-COM-TECH-2004-003. - 2004. - 21 p.
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1164.
Final report of the ATLAS AOD/ESD Definition Task Force / Assamagan, Ketevi A ; Barberis, D ; Costanzo, D ; Moyse, E ; Polesello, G ; Quarrie, D ; Rousseau, D ; Schaffer, A ; Sherwood, P
The first prototype of persistent representation of ATLAS data is described by detailing its three major components in addition to raw data: ESD, the detailed reconstruction output, AOD, the compressed form meant to be used by most analyses and the TAGS relational database entry allowing quick event preselection. [...]
ATL-SOFT-2004-006 ; ATL-COM-SOFT-2004-008 ; CERN-ATL-COM-SOFT-2004-008. - 2004.
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1165.
Report of the Onlin : Tier-0 Taskforce / Åkesson, T ; Asbury, D ; Charlton, D G ; Hawkings, R J ; Jones, R W L ; Mornacchi, G ; Nessi, Marzio ; Quarrie, D ; Vercesi, V ; Wickens, F J
ATL-GEN-2004-002 ; ATL-COM-GEN-2004-004 ; CERN-ATL-COM-GEN-2004-004. - 2004. - 19 p.
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1166.
The ATLAS Computing Model / on behalf of the ATLAS Collaboration
The ATLAS Offline Computing Model is described. [...]
ATL-SOFT-2004-007 ; ATL-COM-SOFT-2004-009 ; CERN-ATL-COM-SOFT-2004-009 ; CERN-LHCC-2004-037-G-085. - CERN, 2005. - 37 p.
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1167.
TTC Interface Module for ATLAS Read-Out Electronics : Final production version based on Xilinx FPGA devices / Butterworth, J (University Coll. London) ; Lane, J B (University Coll. London) ; Postranecky, M (University Coll. London) ; Warren, M R M (University Coll. London)
The functionality and the details of firmware, software and hardware of the Xilinx FPGA-based production version of the ATLAS-SCT TTC Interface Module ( TIM ) are described. [...]
ATL-ELEC-PUB-2007-004 ; ATL-COM-ELEC-2005-001. - CERN, 2004. - 5 p.
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1168.
Estimation of Radiation Background, Impact on Detectors, Activation and Shielding Optimization in ATLAS / Baranov, S ; Bosman, M ; Dawson, I ; Hedberg, V ; Nisati, A ; Shupe, M
ATLAS Radiation Background Task Force Summary Document..
ATL-GEN-2005-001 ; ATL-COM-GEN-2005-001 ; CERN-ATL-GEN-2005-001. - 2005. - 249 p.
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1169.
Drift properties of the MDTs in the H8 Test Beam / Bachas, Constantin ; Petridou, C
The drift properties of the MDT chambers of the ATLAS Muon Spectrometer were studied with data from the H8 Test Beam area at CERN, where 13 MDT chambers were operated for over 6 months. [...]
ATL-MUON-2005-014 ; ATL-COM-MUON-2005-002 ; CERN-ATL-MUON-2005-014. - 2005. - 10 p.
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1170.
Impact of the initial Layout on the ATLAS Muon Spectrometer Performance, ATL-COM-MUON-2005-009 / Laporte, J F ; Ouraou, A ; Chevalier, L ; Guyot, C ; Hassani, S ; Lançon, E ; Nicolaidou, R ; Bauer, F ; Formica, A ; Giraud, P et al.
The initial layout of the ATLAS Muon Spectrometer will be incomplete. [...]
ATL-MUON-PUB-2005-001 ; ATL-COM-MUON-2005-009 ; CERN-ATL-MUON-PUB-2005-001. - 2005.
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1171.
Validation of the GEANT4-Based Full Simulation Program for the ATLAS Detector : An Overview of Performance and Robustness / Costanzo, D (BNL) ; Dell'Acqua, A (CERN) ; Gallas, M (CERN) ; Nairz, A (Univ. Innsbruck) ; Benekos, N (MPI Munich) ; Rimoldi, A (INFN and Univ. of Pavia) ; Boudreau, J (Univ. of Pittsburgh) ; Tsulaia, V (Univ. of Pittsburgh)
This paper gives an overview of the validation tests of the ATLAS GEANT4 simulation package G4ATLAS, which were performed in the period from fall 2003 until the end of 2004. [...]
ATL-SOFT-PUB-2005-002 ; ATL-COM-SOFT-2005-004 ; CERN-ATL-SOFT-PUB-2005-002. - 2005. - 22 p.
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1172.
TileCal ROD Motherboard Software Library : User's Manual / Salvachúa, B ; Castelo, J ; Castillo, C ; Cuenca, C ; Ferrer, A ; Fullana, E ; Higón, E ; Iglesias, C ; Munar, A ; Poveda, J et al.
This note describes the software library and an associated standalone application program to handle the TileCal ROD VME motherboard. [...]
ATL-TILECAL-PUB-2005-002 ; CERN-ATL-COM-TILECAL-2005-004. - 2005. - 111 p.
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1173.
Electromagnetic Energy Calibration of the TILECAL Modules with the Flat Filter Method (July 2002 Test Beam Data) / Kulchitskii, Yu A ; Budagov, Yu A ; Khubua, J I ; Rusakovitch, N A ; Tsiareshka, P V ; Vinogradov, V B
The constructed ATLAS detector at the LHC will have the great physics discovery potential, in particular in the detection of a heavy Higgs boson. [...]
ATL-TILECAL-PUB-2005-003 ; CERN-ATL-COM-TILECAL-2005-006. - 2005. - 45 p.
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1174.
Electron Energy Resolution of the ATLAS TILECAL Modules with Flat Filter Method (July 2002 test beam) / Kulchitskii, Yu A ; Tsiareshka, P V ; Vinogradov, V B
The constructed ATLAS detector at the LHC will have the great physics discovery potential, in particular in the detection of a heavy Higgs boson. [...]
ATL-TILECAL-PUB-2005-004 ; CERN-ATL-COM-TILECAL-2005-007. - 2005. - 37 p.
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1175.
Energy Calibration of the TILECAL Modules with the Fit Filter Method (July 2002 Test Beam Data) / Kulchitskii, Yu A ; Tsiareshka, P V ; Vinogradov, V B
The constructed ATLAS detector at the LHC will have the great physics discovery potential, in particular in the detection of a heavy Higgs boson. [...]
ATL-TILECAL-PUB-2005-005 ; CERN-ATL-COM-TILECAL-2005-008. - 2005. - 42 p.
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1176.
The Swiss ATLAS Computing Prototype / Gadomski, S ; Haeberli, C ; Orellana, F ; Volpato, G L
The Swiss ATLAS Computing prototype consists of clusters of PCs located at the universities of Bern and Geneva and at the Swiss National Supercomputing Centre (CSCS) in Manno. [...]
ATL-SOFT-PUB-2005-003 ; CERN-ATL-COM-SOFT-2005-007. - 2005. - 18 p.
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1177.
Response of Production Modules of the ATLAS Tile Calorimeter to Eta-Projective Muons / Pribyl, L (Prague, Inst. Phys.)
In this paper a summary of analysis of Tilecal modules response to 180 GeV eta-projective testbeam muons and comparison with GEANT4 simulation is given, showing the difference between data and simulation is only 1.7%. [...]
ATL-TILECAL-PUB-2005-006 ; ATL-COM-TILECAL-2005-009. - 2005. - 7 p.
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1178.
A Robot for Fiber Insertion in a Profile / Cardeira, C ; Sá da Costa, J ; Gomes, A ; Gouveia, J ; Maio, A ; Pinhão, J
We present a robot built for the insertion of a large amount of optical fibres in profiles. [...]
ATL-TILECAL-PUB-2005-007 ; ATL-COM-TILECAL-2005-012 ; CERN-ATL-COM-TILECAL-2005-012. - 2005. - 9 p.
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1179.
Pre-Production Validation of the ATLAS Level-1 Calorimeter Trigger System / Achenbach, R ; Ay, C ; Barnett, B M ; Bauss, B ; Belkin, A ; Bohm, C ; Brawn, I P ; Davis, A O ; Edwards, J ; Eisenhandler, E F et al.
The Level-1 Calorimeter Trigger is a major part of the first stage of event selection for the ATLAS experiment at the LHC. [...]
ATL-DAQ-CONF-2005-017 ; ATL-COM-DAQ-2005-017 ; CERN-ATL-COM-DAQ-2005-017. - 2005. - 5 p.
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1180.
Configuration of the ATLAS trigger / Haller, J (CERN) ; Dos Anjos, A (Wisconsin U.) ; Ellis, Nick (CERN) ; Landon, M (Queen Mary, U. of London) ; Spiwoks, R (CERN) ; Wengler, T (CERN) ; Wiedenmann, W (Wisconsin U.) ; Zobernig, H (Wisconsin U.)
The ATLAS detector at CERN's LHC will be exposed to proton-proton collisions at a rate of 40 MHz. [...]
ATL-DAQ-CONF-2005-024 ; ATL-COM-DAQ-2005-030 ; CERN-ATL-COM-DAQ-2005-030. - 2006. - 5 p.
IEEE Published version, local copy - Access to fulltext - Access to fulltext
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1181.
Heavy Ions in ATLAS / Rosselet, L (Geneva U.)
The ATLAS experiment is designed to study proton-proton collisions at the LHC. [...]
ATL-PHYS-CONF-2005-009 ; ATL-COM-PHYS-2005-057 ; CERN-ATL-COM-PHYS-2005-057. - 2005. - 5 p.
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1182.
Evaporating short-circuits in the ATLAS liquid argon barrel presampler 006 / Belhorma, B ; Hostachy, J Y ; Lund-Jensen, B ; Rydström, S ; Yamouni, M
A technique to eliminate or limit the implications of short-circuits in the ATLAS barrel presampler is described. [...]
ATL-LARG-PUB-2005-003 ; ATL-COM-LARG-2005-006 ; CERN-ATL-LARG-PUB-2005-003. - 2005. - 15 p.
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1183.
Heavy Ion Physics with the ATLAS Detector / Olszewski, A (Cracow, INP)
ATLAS detector is optimized for studies of high-p_T physics in pp collisions at the LHC collider. [...]
ATL-PHYS-CONF-2005-010 ; ATL-COM-PHYS-2005-063 ; CERN-ATL-COM-PHYS-2005-063. - 2006. - 4 p.
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1184.
Optimisation of the size of the EmTau Region of Interest for the ATLAS Level-2 Trigger using the Electromagnetic Calorimeter / Konstantinidis, N P ; Stefanidis, S ; Sutton, M R
A study for optimizing the size of the EmTau Region of Interest (RoI) using the pointing information from the Electromagnetic Calorimeter is presented. [...]
ATL-DAQ-PUB-2005-002 ; ATL-COM-DAQ-2005-038 ; CERN-ATL-COM-DAQ-2005-038. - 2005. - 15 p.
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1185.
SUSY signatures at ATLAS / Borjanovic, I (U. Salento, Lecce (main) ; Belgrade, Inst. Phys.)
In this report recent studies made to understand the capability to discover and measure properties of supersymmetric particles with the ATLAS detector at LHC are presented. [...]
ATL-PHYS-CONF-2005-012 ; ATL-COM-PHYS-2005-068 ; CERN-ATL-COM-PHYS-2005-068. - 2006. - 4 p.
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1186.
Discovery Potential of MSSM Higgs Bosons with ATLAS / Haller, Johannes (CERN)
In this article the potential of the ATLAS experiment to discover MSSM Higgs bosons is discussed. [...]
hep-ex/0512042 ; ATL-PHYS-CONF-2005-016 ; ATL-COM-PHYS-2005-075 ; CERN-ATL-PHYS-CONF-2005-016. - 2006. - 4 p.
Proceedings of Science Server - Full text - Access to fulltext - Access to fulltext - Access to fulltext - Published version from PoS - Access to fulltext document - Fulltext
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1187.
ATLAS detector simulation : status and outlook / Costanzo, D (Sheffield U.) ; Dell'Acqua, A (CERN) ; Di Simone, A (CERN) ; Gallas, M (CERN) ; Nairz, A (CERN) ; Rimoldi, A (INFN, Pavia ; Pavia U.) ; Boudreau, J (Pittsburgh U.) ; TSulaia, V (Pittsburgh U.)
The simulation program for the ATLAS experiment at CERN is currently in a full operational mode and integrated into the common analysis framework of ATLAS, Athena. [...]
ATL-SOFT-PUB-2005-004 ; CERN-ATL-SOFT-PUB-2005-004 ; ATL-COM-SOFT-2005-008. - 2005. - 19 p.
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1188.
The Eduation and Outreach Project of ATLAS : a new actor in physics education / Barnett, M (LBL, Berkeley) ; Johansson, K E (Stockholm U.)
With the extraordinary possibility to make groundbreaking discoveries, the ATLAS Experiment can play an important role in promoting contemporary physics at school. This experiment at the Large Hadron Collider at CERN has for many years had a substantial collaborative Education and Outreach (E&O;) project in which physicists from various parts of the world take part. [...]
SN-ATLAS-2006-055; ATL-COM-GEN-2006-001; CERN-ATL-COM-GEN-2006-001; ATL-GEN-PUB-2006-001.- Geneva : CERN, 2006 - 7 p. - Published in : Phys. Educ. 41 (2006) 432-436 Access to fulltext document: DOC PDF;
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1189.

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1190.

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1191.

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1192.

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1193.
Alignment of the Silicon Tracking Detector using Survey Constraints / Golling, T (LBL, Berkeley)
The purpose of this document is to describe an alignment method for the ATLAS silicon inner detector based on survey data taken before the detector components are installed into the ATLAS detector. [...]
ATL-INDET-PUB-2006-001 ; ATL-COM-INDET-2006-002 ; CERN-ATL-INDET-PUB-2006-001. - 2006. - 16 p.
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1194.
Testing on a Large Scale : running the ATLAS Data Acquisition and High Level Trigger Software on 700 PC Nodes / Burckhart-Chromek, Doris (CERN) ; Abolins, M ; Adragna, P ; Albuquerque-Portes, M ; Alexandrov, L ; Amorim, A ; Armstrong, S ; Badescu, E ; Baines, J T M ; Barros, N et al.
The ATLAS Data Acquisition (DAQ) and High Level Trigger (HLT) software system will be comprised initially of 2000 PC nodes which take part in the control, event readout, second level trigger and event filter operations. [...]
ATL-DAQ-CONF-2006-002 ; ATL-COM-DAQ-2006-008 ; CERN-ATL-DAQ-CONF-2006-002. - 2006. - 6 p.
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1195.
Fibre tests for the ALFA detector with a lab set-up using a Sr-90 source / Joram, C ; Braem, André
ATL-LUM-PUB-2006-003 ; ATL-COM-LUM-2006-001 ; CERN-ATL-LUM-PUB-2006-003. - 2006.
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1196.
ATLAS Luminosity Detector - Simplified computations on thermo-mechanical straining of the fibre planes / Braem, André ; Joram, C ; Wertelaers, Piet
ATL-LUM-PUB-2006-002 ; ATL-COM-LUM-2006-002 ; CERN-ATL-LUM-PUB-2006-002. - 2005.
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1197.
Characterization studies on scintillating fibres / Braem, André ; Folley, A ; Joram, C ; Kottelat, L
We describe a set of characterization measurements of scintillating fibres in view of their potential use in a tracking detector to determine absolute luminosity for ATLAS at IP 1. [...]
ATL-LUM-PUB-2006-004 ; ATL-COM-LUM-2006-003 ; CERN-ATL-LUM-PUB-2006-004. - 2006.
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1198.
The Architecture and Administration of the ATLAS Online Computing System / Dobson, M (CERN) ; Ciobotaru, M ; Ertorer, E ; Garitaonandia, H ; Leahu, L ; Leahu, M ; Malciu, I M ; Panikashvili, E ; Topurov, A ; Ünel, G
The needs of ATLAS experiment at the upcoming LHC accelerator, CERN, in terms of data transmission rates and processing power require a large cluster of computers (of the order of thousands) administrated and exploited in a coherent and optimal manner. [...]
ATL-DAQ-CONF-2006-001 ; ATL-COM-DAQ-2006-012 ; CERN-ATL-DAQ-CONF-2006-001. - 2006. - 6 p.
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1199.
ATLAS B-physics Trigger Studies using EM and Jet RoIs / Kirk, J ; Baines, J T M ; Watson, A T
This note documents the ATLAS B-physics triggers for final states containing hadrons and electrons or photons. [...]
ATL-DAQ-PUB-2006-004 ; ATL-COM-DAQ-2006-025 ; CERN-ATL-COM-DAQ-2006-025. - 2006.
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1200.
ATLAS Tracking Event Data Model / Åkesson, P F ; Atkinson, T ; Costa, M J ; Elsing, M ; Fleischmann, S ; Gaponenko, A N ; Liebig, W ; Moyse, E ; Salzburger, A ; Siebel, M
In this report the event data model (EDM) relevant for tracking in the ATLAS experiment is presented. [...]
ATL-SOFT-PUB-2006-004 ; ATL-COM-SOFT-2006-005 ; CERN-ATL-COM-SOFT-2006-005. - 2006. - 31 p.
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1201.
Calibration and monitoring of the ATLAS Tile calorimeter / Carvalho, J (LIP, Coimbra)
The calibration and monitoring systems of the ATLAS hadronic calorimeter, the TileCal, are presented. [...]
ATL-TILECAL-PUB-2006-007 ; ATL-COM-TILECAL-2006-009 ; CERN-ATL-COM-TILECAL-2006-009. - 2006. - 8 p.
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1202.
The Barrel Modules of the ATLAS SemiConductor Tracker / Abdesselam, A (Oxford U.) ; Akimoto, T (Tsukuba U.)
This paper describes the silicon microstrip modules in the barrel section of the SemiConductor Tracker (SCT) of the ATLAS experiment at the CERN Large Hadron Collider (LHC). [...]
ATL-INDET-PUB-2006-005 ; ATL-COM-INDET-2006-009 ; CERN-ATL-COM-INDET-2006-009. - 2006. - 41 p.
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1203.
SUSY (s)lepton flavour studies with ATLAS / Borjanovic, I (Salento U.)
This report presents studies made to understand the capability to discover and measure properties of supersymmetric particles with ATLAS detector at Large Hadron Collider. [...]
ATL-PHYS-CONF-2006-009 ; CERN-ATL-PHYS-CONF-2006-009 ; ATL-COM-PHYS-2006-060. - 2006. - 3 p.
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1204.
Physics Analysis Tools 2006 Workshop Summary Report / Asai, S ; Assamagan, K A ; Binet, S ; Bischofberger, M ; Calafiura, P ; Catmore, J ; Cranmer, K ; De, K ; Dell'Acqua, A ; Farbin, A et al.
The third annual Physics Analysis Tools workshop was held in May 2006 at the University of Tokyo, Tokyo Japan. [...]
ATL-SOFT-PUB-2006-005 ; CERN-ATL-SOFT-PUB-2006-005 ; ATL-COM-SOFT-2006-009. - 2006.
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1205.
The ATLAS Simulation : an LHC Challenge / Rimoldi, A ; Dell'Acqua, A ; Gallas, M ; Di Simone, A ; Boudreau, J ; Tsulaia, V ; Costanzo, D
The simulation program for the ATLAS experiment at CERN is currently in a full operational mode and integrated into the ATLAS common analysis framework, Athena. [...]
ATL-SOFT-PUB-2006-007 ; CERN-ATL-SOFT-PUB-2006-007 ; ATL-COM-SOFT-2006-011. - 2006. - 9 p.
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1206.
Organization and Management of ATLAS Offline Software Releases / Obreshkov, E ; Albrand, S ; Collot, J ; Fulachier, J ; Lambert, F ; Adam-Bourdarios, C ; Arnault, C ; Garonne, V ; Rousseau, D ; Schaffer, A et al.
ATLAS is one of the largest collaborations ever undertaken in the physical sciences. [...]
ATL-SOFT-PUB-2006-008 ; CERN-ATL-SOFT-PUB-2006-008 ; ATL-COM-SOFT-2006-013. - 2006. - 7 p.
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1207.
Search for the Standard Model Higgs->ZZ(*)->4leptons in ATLAS / Nikolopoulos, K (Athens U.)
The sensitivity of the ATLAS experiment to possible discovery channels has been recently re-evaluated using complete - ``as built'' - detector simulation, latest theoretical cross-section calculations, optimized selection criteria and appropriate statistical treatment. In this contribution, the sensitivity to H->ZZ(*)->4l, which covers the Standard Model Higgs discovery in the mass range from ~120 GeV to ~700 GeV, is presented. [...]
ATL-PHYS-CONF-2008-013; ATL-COM-PHYS-2008-058.- Geneva : CERN, 2008 - 13 p. Access to fulltext: PDF;
In : 22ème Rencontres de Physique de la Vallée d'Aoste : Results and Perspectives in Particle Physics, La Thuile, Italy, 24 Feb - 01 Mar 2008, pp.481-494
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1208.
ATLAS Style Guide / Eisenhandler, E F (Queen Mary, U. of London) ; Willocq, S (University of Massachusetts)
This is a compendium of rules, recommendations, information and advice for writing papers and notes within the ATLAS Collaboration at the CERN Large Hadron Collider. [...]
ATL-GEN-PUB-2008-001 ; ATL-COM-GEN-2008-003. - 2008. - 51 p.
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1209.
The ATLAS forward physics program / Pilkington, A D (Manchester U.)
The ATLAS forward detector system is presented. [...]
ATL-PHYS-CONF-2008-020 ; ATL-COM-PHYS-2008-092. - 2008. - 4 p.
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1210.
Pion Energy Reconstruction by the Local Hadronic Calibration Method with ATLAS Combined Test Beam 2004 data / Kulchitsky, Y ; Tsiareshka, P ; Khubua, J ; Russakovich, N ; Shigaev, V ; Vinogradov, V
The pion energy reconstruction by the local hadronic calibration method on the basis of the 2004 combined test beam data in the energy range 10 -- 350 GeV and $\eta = 0.25$ is performed. [...]
ATL-TILECAL-PUB-2008-009 ; ATL-COM-TILECAL-2008-008. - 2008. - 34 p.
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1211.
Exclusive SUSY measurements and determination of SUSY parameters from LHC data / Wienemann, Peter (Bonn U.) /for the ATLAS Collaboration
A selection of exclusive SUSY measurements is presented which can be performed provided SUSY will be discovered at the LHC. Such measurements allow to determine the properties of supersymmetry and thus help to pin down the underlying theoretical model. [...]
arXiv:0809.2204; ATL-PHYS-PROC-2008-010; ATL-PHYS-PROC-2008-010.- Geneva : CERN, 2009-01-26 - 3 p. - Published in : AIP Conf. Proc. 1078 (2009) 286-288 Fulltext: PDF; Preprint: PDF; External link: Preprint
In : 16th International Conference on Supersymmetry and the Unification of Fundamental Interactions, Seoul, Korea, 16 - 21 Jun 2008, pp.286-288
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1212.
Search for the neutral MSSM Higgs bosons with ATLAS / Schaarschmidt, J (Dresden, Tech. U.)
The discovery of a neutral Higgs boson with large branching fractions into tau or muon pair final states would be a strong evidence of New Physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2008-011 ; ATL-COM-PHYS-2008-130. - 2008. - 3 p.
Full text
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1213.
The Alignment of the ATLAS Silicon Tracker / Brandt, Oleg (Oxford U.)
The alignment of tracking detectors is crucial for the physics programme at the LHC, especially for precision measurements like the W mass. [...]
arXiv:0808.0204 ; ATL-INDET-PROC-2008-001 ; ATL-COM-INDET-2008-015 ; ATL-COM-INDET-2008-015. - 2008. - 5 p.
Preprint - Full text - CERNREP - Full text
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1214.
Supersymmetry Searches at the LHC / Brandt, Oleg (Oxford U.)
The search for Beyond the Standard Model (BSM) physics is one of the major tasks of the LHC, CERN. [...]
ATL-PHYS-PROC-2008-020 ; arXiv:0808.2934 ; ATL-COM-PHYS-2008-150. - 2008. - 10 p.
Full text - Preprint
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1215.
Missing ET Performance in ATLAS / Hodgkinson, Mark (Sheffield U.)
The observation and measurement of missing transverse energy in an event is a key signature in SUSY searches. [...]
ATL-PHYS-PROC-2008-023 ; arXiv:0810.0181 ; ATL-COM-PHYS-2008-165. - 2008. - 3 p.
Full text - Preprint
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1216.
The ATLAS SCT: Commissioning Experience and SLHC Upgrade / Mitrevski, J (UC, Santa Cruz, Phys. Dept.)
The ATLAS Semiconductor Tracker (SCT) has been installed, and fully connected to electrical, optical and cooling services. [...]
ATL-INDET-PROC-2008-002 ; ATL-COM-INDET-2008-017. - 2008. - 4.
Full text
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1217.
Top quark properties at ATLAS / Jana, Dilip (Oklahoma U.)
The ATLAS potential for the study of the top quark properties and physics beyond the Standard Model in the top quark sector, is described. [...]
arXiv:0810.3428 ; ATL-PHYS-PROC-2008-036 ; ATL-COM-PHYS-2008-183 ; ATL-COM-PHYS-2008-183. - 2008. - 3 p.
Preprint - Full text - Fulltext - Full text
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1218.
Hard Probes of the ATLAS Heavy Ion Physics Program / Jia, Jiangyong
We review the physics performance of ATLAS detector for hard probes in heavy ion collisions, focusing on three fronts: jet reconstruction, direct photon measurement, and heavy favor jet tagging..
arXiv:0810.4536 ; ATL-PHYS-PROC-2008-047 ; ATL-COM-PHYS-2008-185 ; ATL-COM-PHYS-2008-185. - 2008. - 5 p.
Preprint - Full text - Fulltext - Full text
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1219.
Vector Boson Scattering at ATLAS / Ozcan, V E (U. Coll. London) /on behalf of the ATLAS Collaboration
While the Higgs model is the best studied scenario of electroweak symmetry breaking, there is no fundamental reason for the physics responsible for the symmetry breaking to be weakly-coupled. Many alternatives exist, predicting highly model-dependent signatures. [...]
ATL-PHYS-PROC-2008-050; ATL-COM-PHYS-2008-192.- Geneva : CERN, 2009 - 5. - Published in : Balkan Phys. Lett.: 17 (2009) , pp. 155-159 Fulltext: PDF; External link: Published version
In : International Conference on Particle Physics, in Memoriam Engin Arik and her Colleagues, Istanbul, Turkey, 27 - 31 Oct 2008, pp.155-159
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1220.
Testing and calibrating analogue inputs to the ATLAS Level-1 Calorimeter Trigger / Achenbach, R (Kirchhoff Inst. Phys.) ; Adragna, P ; Aharrouche, M ; Andrei, V ; Åsman, B ; Barnett, B M ; Bauss, B ; Bendel, M ; Bohm, C ; Booth, J R A et al.
The ATLAS Level-1 Calorimeter Trigger is a hardwarebased system which aims to identify objects with high transverse momentum within an overall latency of 2.5 μs. It is composed of a PreProcessor system (PPr) which digitises 7200 analogue input channels, determines the bunch crossing of the interaction, applies a digital noise filter, and provides a fine calibration; and two subsequent digital processors. [...]
ATL-DAQ-PROC-2008-003; ATL-COM-DAQ-2008-011.- Geneva : CERN, 2008 - 5 p. Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics, Naxos, Greece, 15 - 19 Sep 2008, pp.467-471 (CERN-2008-008)
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1221.
Digital signal integrity and stability in the ATLAS Level-1 Calorimeter Trigger / Achenbach, R (Kirchhoff Inst. Phys.) ; Adragna, P ; Aharrouche, M ; Andrei, V ; Åsman, B ; Barnett, B M ; Bauss, B ; Bendel, M ; Bohm, C ; Booth, J R A et al.
The ATLAS Level-1 calorimeter trigger is a hardware-based system with the goal of identifying high-pT objects and to measure total and missing ET in the ATLAS calorimeters within an overall latency of 2.5 microseconds. This trigger system is composed of the Preprocessor which digitises about 7200 analogue input channels and two digital processors to identify high-pT signatures and to calculate the energy sums. [...]
ATL-DAQ-PROC-2008-002; ATL-COM-DAQ-2008-012.- Geneva : CERN, 2008 - 5 p. Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics, Naxos, Greece, 15 - 19 Sep 2008, pp.143-147 (CERN-2008-008)
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1222.
Control, Test and Monitoring Software Framework for the ATLAS Level-1 Calorimeter Trigger / Achenbach, R (Heidelerg U.) ; Adragna, P ; Aharrouche, M ; Andrei, V ; Åsman, B ; Barnett, B M ; Bauss, B ; Bendel, M ; Bohm, C ; Booth, J R A et al.
The ATLAS first-level calorimeter trigger is a hardware-based system designed to identify high-pT jets, electron/photon and tau candidates and to measure total and missing ET in the ATLAS calorimeters. The complete trigger system consists of over 300 customdesignedVME modules of varying complexity. [...]
ATL-DAQ-PROC-2008-004; ATL-COM-DAQ-2008-013.- Geneva : CERN, 2008 - 5 p. Fulltext: PDF;
In : Topical Workshop on Electronics for Particle Physics, Naxos, Greece, 15 - 19 Sep 2008, pp.441-445 (CERN-2008-008)
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1223.
Commissioning of the ATLAS Reconstruction Software with First Data / Gibson, A (Toronto U.)
Looking towards first LHC collisions, the ATLAS detector is being commissioned using all types of physics data available: cosmic rays, beam-halo and beam-gas events produced during LHC single beam operations. [...]
ATL-SOFT-PROC-2008-002 ; ATL-COM-SOFT-2008-018. - 2008. - 6 p.
Full text
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1224.
Vertex Reconstruction in the ATLAS Experiment at the LHC / Bouhova-Thacker, E (Lancaster U.) ; Lichard, P (CERN) ; Kostyukhin, V (INFN, Genoa) ; Liebig, W (NIKHEF, Amsterdam) ; Limper, M (NIKHEF, Amsterdam) ; Piacquadio, G (Freiburg U.) ; Weiser, C (Freiburg U.)
In the harsh environment of the Large Hadron Collider at CERN (design luminosity of 10 34 cm-2 s-1) efficient reconstruction of vertices is crucial for many physics analyses. [...]
ATL-INDET-PROC-2008-003 ; ATL-COM-INDET-2008-018. - 2008. - 8 p.
Full text
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1225.
The ATLAS Trigger/DAQ Authorlist, version 1.0 / Abolins, M ; Achenbach, R ; Adorisio, C ; Adragna, P ; Aharrouche, M ; Aielli, G ; Al-Shabibi, A ; Aleksandrov, I ; Alexandre, G ; Aloisio, A et al.
This is a reference document giving the ATLAS Trigger/DAQ author list, version 1.0 of 20 Nov 2008..
ATL-DAQ-PUB-2008-004 ; ATL-COM-DAQ-2008-016. - 2008.
Full text
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1226.
The Atlas Liquid Argon Calorimeter: Commissioning with Cosmic Muons and First LHC Beams / Trocmé, B (LPSC, Grenoble)
In 2009, the Large Hadron Collider at CERN will collide protons with a center of mass energy of 14 TeV. [...]
ATL-LARG-PROC-2008-002 ; ATL-COM-LARG-2008-011. - 2008. - 4 p.
Full text
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1227.
SUSY search with b jets at ATLAS / Milosavljevic, M (Belgrade U.) ; Krstic, J (Belgrade U.) ; Popovic, D (Belgrade U.)
Inclusive SUSY search regard gluino and squark events which are characterised by multiple jets, leptons and missing transverse energy and can provide the first evidence of the deviation from the Standard Model. [...]
ATL-PHYS-PROC-2008-078 ; ATL-COM-PHYS-2008-256. - 2008. - 3 p.
Full text
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1228.
The reach of the ATLAS experiment in SUSY parameter space / Lumb, D (Freiburg U.)
With the very first LHC data, the ATLAS experiment should be sensitive to a SUSY signal well beyond the regions explored by the Tevatron. [...]
ATL-PHYS-PROC-2008-084 ; ATL-COM-PHYS-2008-269. - 2008. - 3 p.
Full text
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1229.
Status of ATLAS / Jenni, P (CERN)
The general status of the ATLAS experiment at the LHC is briefly reviewed in this report. [...]
ATL-GEN-PROC-2009-002 ; ATL-COM-GEN-2009-001. - 2009. - 7 p.
Full text
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1230.
b-tagging Performance in ATLAS / Gorfine, G (Wuppertal U.) /on behalf of the ATLAS Collaboration
The algorithms used in ATLAS to identify b-jets are described along with their anticipated performance. The impact of various critical ingredients such as the residual misalignments in the tracker are presented. [...]
ATL-PHYS-PROC-2009-011; ATL-COM-PHYS-2009-014.- Geneva : CERN, 2009 - 5 p. - Published in : Balkan Phys. Lett.: 17 (2009) , pp. 169-173 Fulltext: PDF; External link: Published version
In : International Conference on Particle Physics, in Memoriam Engin Arik and her Colleagues, Istanbul, Turkey, 27 - 31 Oct 2008, pp.169-173
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1231.
The ATLAS Experiment Entering Operation : Overview, Motivation and Status / Jenni, P (CERN)
The general motivation and the status of the ATLAS experiment at the LHC are briefly reviewed in this report. [...]
ATL-GEN-PROC-2009-003 ; ATL-COM-GEN-2009-003. - 2009. - 8 p.
Full text - Published version
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1232.
Associated production of weak bosons at the LHC with the ATLAS detector / Groll, M (Mainz U., Inst. Phys.)
The study of the associated production of weak vector bosons at LHC allows to search for New Physics through the measurement of possible deviations of the weak boson self-couplings from the expectation within the Standard Model. [...]
ATL-PHYS-PROC-2009-036 ; ATL-COM-PHYS-2009-036. - 2009. - 7 p.
Full text
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1233.
The ATLAS Muon Trigger vertical slice at LHC startup / Grancagnolo, Sergio (INFN, Lecce ; Salento U.)
The ATLAS trigger system has a three-levels structure, implemented to retain interesting physics events, here described for the muon case ("Muon Vertical Slice"). [...]
ATL-DAQ-PROC-2009-003 ; ATL-COM-DAQ-2009-006. - 2009. - 7 p.
Full text
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1234.
ATLAS trigger for first physics and beyond / Fonseca-Martin, T (Royal Holloway, U. of London)
ATLAS is a multi-purpose spectrometer built to perform precision measurements of Standard Model parameters and is aiming at discovery of Higgs particle, Super Symmetry and possible other physics channels beyond Standard Model. [...]
ATL-DAQ-PROC-2009-004 ; ATL-COM-DAQ-2009-008. - 2009. - 3 p.
Full text
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1235.
Status and performance of the ATLAS MUON spectrometer / Vlachos, Sotirios (Natl. Tech. U., Athens) /on behalf of the ATLAS Collaboration
The ATLAS experiment at the Large Hadron Collider at CERN is currently waiting to record first data from proton- proton collisions in 2009. During the last two years the MUON spectrometer was commissioned with cosmic rays while being assembled in the underground experimental cavern. [...]
ATL-MUON-PROC-2009-002; ATL-COM-MUON-2009-008.- Geneva : CERN, 2010 - 3 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 623 (2010) 85-87 Fulltext: PDF;
In : 1st International Conference on Technology and Instrumentation in Particle Physics, Tsukuba, Ibaraki, Japan, 12 Mar - 17 Mar 2009, pp.85-87
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1236.
First Results from the ATLAS Muon Spectrometer Optical Alignment System / Amelung, C (Brandeis U.) /on behalf of the ATLAS Collaboration
The muon spectrometer of the ATLAS detector at the Large Hadron Collider (LHC) at CERN consists of 1182 muon chambers for precision track measurements, arranged in three concentric cylinders of up to 25m length in the central (barrel) region, and in four wheels of up to 25m diameter in each of the two endcaps. They are located between 5m and 22m from the interaction point, and each muon track is detected in three equally spaced chambers. [...]
ATL-MUON-PROC-2009-001; ATL-COM-MUON-2009-010.- Geneva : CERN, 2010 - 3 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 623 (2010) 388-390 Fulltext: PDF;
In : 1st International Conference on Technology and Instrumentation in Particle Physics, Tsukuba, Ibaraki, Japan, 12 Mar - 17 Mar 2009, pp.388-390
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1237.
Commissioning of the ATLAS High Level Trigger with Single Beam and Cosmic Rays / Di Mattia, A (Michigan State U.)
ATLAS is one of the two general-purpose detectors at the Large Hadron Collider (LHC). [...]
ATL-DAQ-PROC-2009-013 ; ATL-COM-DAQ-2009-037. - 2009. - 10 p.
Full text
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1238.
The ATLAS Level-1 Central Trigger System in Operation / Pauly, T (CERN) /on behalf of the ATLAS Collaboration
The ATLAS Level-1 Central Trigger (L1CT) electronics is a central part of ATLAS data-taking. It receives the 40 MHz bunch clock from the LHC machine and distributes it to all sub-detectors. [...]
ATL-DAQ-PROC-2009-012; ATL-COM-DAQ-2009-038.- Geneva : CERN, 2010 - 7 p. - Published in : J. Phys.: Conf. Ser. 219 (2010) 022017 Fulltext: PDF;
In : 17th International Conference on Computing in High Energy and Nuclear Physics, Prague, Czech Republic, 21 - 27 Mar 2009, pp.022017
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1239.
The ATLAS online High Level Trigger framework : experience reusing offline software components in the ATLAS trigger / Wiedenmann, W (Wisconsin U., Madison)
Event selection in the Atlas High Level Trigger is accomplished to a large extent by reusing software components and event selection algorithms developed and tested in an offline environment. [...]
ATL-DAQ-PROC-2009-011 ; ATL-COM-DAQ-2009-039. - 2009. - 10 p.
Full text
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1240.
Validation and computing and performance studies for the ATLAS simulation / Marshall, Z (Caltech ; Nevis Labs, Columbia U.)
We present the validation of the ATLAS simulation software pro ject. [...]
ATL-SOFT-PROC-2009-001 ; ATL-COM-SOFT-2009-005. - 2009. - 10 p.
Full text
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1241.
The ATLAS Trigger System / Padilla, C (Barcelona, IFAE ; CERN) /on behalf of the ATLAS Collaboration
The ATLAS detector at CERN’s Large Hadron Collider will be exposed to proton-proton collisions at a rate of 40 MHz. A three-level trigger system has been designed to select potentially interesting events and reduce the incoming rate to about 200 Hz of storage rate. [...]
ATL-DAQ-PROC-2009-018; ATL-COM-DAQ-2009-050.- Geneva : CERN, 2010 - 8 p. - Published in : IEEE Trans. Nucl. Sci. 57 (2010) 650-657 Fulltext: PDF; IEEE Published version, local copy: PDF;
In : 16th IEEE NPSS Real Time Conference 2009, Beijing, China, 10 - 15 May 2009, pp.650-657
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1242.
Commissioning of the ATLAS High Level Trigger with Single LHC Beam and Cosmic Rays / Padilla, C (Barcelona, IFAE ; CERN) /for the ATLAS Collaboration
ATLAS is one of the two general-purpose detectors at the Large Hadron Collider (LHC). Using fast reconstruction algorithms, its trigger system needs to efficiently reject a huge rate of background events and still select potentially interesting ones with good efficiency. [...]
ATL-DAQ-PROC-2009-017; ATL-COM-DAQ-2009-051.- Geneva : CERN, 2010 - 4 p. - Published in : IEEE Trans. Nucl. Sci. 57 (2010) 566-568
Fulltext: PDF; IEEE Published version, local copy: PDF;
In : 16th IEEE NPSS Real Time Conference 2009, Beijing, China, 10 - 15 May 2009, pp.555-557
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1243.
The ATLAS High Level Trigger Infrastructure, Performance and Future Developments / Winklmeier, F (CERN)
The ATLAS High Level Trigger (HLT) is a distributed real-time software system that performs the final online selection of events produced during proton-proton collisions at the Large Hadron Collider (LHC). [...]
ATL-DAQ-PROC-2009-019 ; ATL-COM-DAQ-2009-053. - 2009. - 6 p.
Full text
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1244.
The Data Acquisition and Calibration System for the ATLAS Semiconductor Tracker / Barber, TJ (Cambridge U. (main))
The Semiconductor Tracker (SCT) data acquisition (DAQ) system has been built to calibrate, configure, and control the approximately six million front-end channels of the ATLAS silicon strip detector. [...]
ATL-INDET-PROC-2009-006 ; ATL-COM-INDET-2009-024. - 2009. - 7 p.
Full text
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1245.
Standard Models tests and searches with photons at the LHC
We report on the sensitivity of the LHC experiments to the Standard Model predictions for $Wgamma$ and $Zgamma$ productions in $pp$ collisions with final states containing electrons, muons and photons. [...]
ATL-PHYS-PROC-2009-069. - 2009. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1246.
Data-Driven Determination of $t\overline{t}$ Background to Supersymmetry Searches in ATLAS
The Standard Model process of ttbar production is one of the most important backgrounds to searches for Supersymmetry (SUSY) at the Large Hadron Collider (LHC) at CERN. [...]
ATL-PHYS-PUB-2009-083. - 2009. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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1247.
Status of ATLAS and Preparation for the Pb-Pb Run / Dolejsi, Jiri
The ATLAS experiment took its first beam data in September 2008 and is actively preparing for the planned start of LHC collision data-taking in 2009. [...]
arXiv:0907.4597 ; ATL-GEN-PROC-2009-011. - 2009. - 8 p.
Original Communication (restricted to ATLAS) - Preprint - Full text - Fulltext - Full text
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1248.
Elucidating Jet Energy Loss Using Jets : Prospects from ATLAS / Grau, N.
Jets at the LHC are expected to provide the testing ground for studying QCD energy loss. [...]
arXiv:0907.4944 ; ATL-PHYS-PROC-2009-072. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Preprint - Full text - Full text - Fulltext
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1249.
Preparations for precise measurements of rare muonic B-decays
The LHC experiments will perform sensitive tests of physics phenomena beyond the Standard Model (BSM). [...]
ATL-PHYS-PROC-2009-073. - 2009. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1250.
ATLAS preparations for precise B-decays measurements sensitive to BSM phenomena
The LHC experiments will perform sensitive tests of physics phenomena beyond the Standard Model (BSM). [...]
ATL-PHYS-PROC-2009-074. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1251.
Emulating the GLink Chip-Set with FPGA Serial Transceivers in the ATLAS Level-1 Muon Trigger / Aloisio, Alberto (INFN, Naples ; Naples U.) ; Cevenini, Francesco (INFN, Naples ; Naples U.) ; Giordano, Raffaele (INFN, Naples ; Naples U.) ; Izzo, Vincenzo (INFN, Naples)
Many High Energy Physics experiments based their serial links on the Agilent HDMP-1032/34A serializer/deserializer chip-set (or GLink). [...]
ATL-DAQ-PROC-2009-026. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1252.
The ATLAS Trigger/DAQ Authorlist, version 2.0 / The ATLAS collaboration
This is the ATLAS Trigger/DAQ Authorlist, version 2.0, 31 July 2009
ATL-DAQ-PUB-2009-003. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1253.
The ATLAS Trigger/DAQ Authorlist, version 2.1 / The ATLAS collaboration
This is the ATLAS Trigger/DAQ Authorlist, version 2.1, 31 July 2009
ATL-DAQ-PUB-2009-004. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1254.
Early QCD measurements with ATLAS / Buttar, Craig (Glasgow U.)
This paper describes some of the QCD measurements that ATLAS will make using data from the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2009-075. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1255.
The ATLAS Forward Physics Program
After a brief review of the approved ATLAS forward detector system we describe the main ATLAS forward physics program. [...]
ATL-LUM-PROC-2009-003. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1256.
Monitoring of the ATLAS Liquid Argon calorimeter
The ATLAS detector at the Large Hadron Collider is expected to collect an unprecedented wealth of new data at a completely new energy scale. [...]
ATL-LARG-PROC-2009-008. - 2009. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1257.
Forward Physics with Early ATLAS data
The ATLAS forward detector system is presented. [...]
ATL-PHYS-PROC-2009-076. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1258.
The TriggerTool Graphical User Interface to the ATLAS Trigger Configuration Database / The ATLAS collaboration
A system has been designed and implemented to configure all three levels of the ATLAS trigger system from a centrally provided relational database, in which an archive of all trigger configurations used in data taking is also maintained [...]
ATL-DAQ-PUB-2009-005. - 2009. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1259.
Searches for the Higgs boson at the LHC / Delmastro, M (CERN)
The search strategy for the Standard Model Higgs boson at the Large Hadron Collider is reviewed, with a particular emphasis on its potential observation by the ATLAS and CMS detectors in the $\gamma\gamma$, $\tau^+\tau^-$, $ZZ^{*}$ and $WW^{*}$ final states. [...]
ATL-PHYS-PROC-2009-077. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1260.
SM Higgs properties measurement at ATLAS / Murray, William (AEA Industrial Tech., Harwell)
The discovery of a new particle in the Higgs searches being prepared for LHC will not guarantee that the Standard Model Higgs boson has been seen [...]
ATL-PHYS-PROC-2009-078. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1261.
Searching for Supersymmetry with two same-sign leptons, multi-jets plus missing transverse energy in ATLAS at $\sqrt{s}$=10 TeV
A search for R-parity conserving supersymmetry using the ATLAS detector is described. [...]
ATL-PHYS-PUB-2009-085. - 2009. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1262.
ATLAS B-Physics Results with First Data / Grybel, Kai (Siegen U.)
First data of ATLAS will allow several B-physics related analyses. [...]
ATL-PHYS-PROC-2009-079. - 2009. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1263.
Prospects for measuring top pair production in the dilepton channel with early ATLAS data at $\sqrt{s}$=10 TeV
We present prospects for measuring the ttbar production cross-section with the ATLAS detector at a center-of-mass energy of 10 TeV with two leptons in the final state ($ee, \mu \mu$ and $e\mu$). [...]
ATL-PHYS-PUB-2009-086. - 2009. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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1264.
Prospects for the Top Pair Production Cross-section at $\sqrt{s}$ = 10 TeV in the Single Lepton Channel in ATLAS
The measurement of the top quark pair production cross-section at the LHC is considered for a center of mass collision energy of 10 TeV and an assumed 200 pb^-1 of integrated luminosity. [...]
ATL-PHYS-PUB-2009-087. - 2009. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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1265.
New Developments in Data-driven Background Determinations for SUSY Searches in ATLAS / Legger, F (Munich, Max Planck Inst.)
Any discovery of new physics relies on detailed understanding of the Standard Model background. [...]
ATL-PHYS-PROC-2009-080. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1266.
ATLAS Sensitivity to the Standard Model Higgs in the HW and HZ Channels at High Transverse Momenta
Until recently it was thought that for Higgs boson searches at the Large Hadron Collider, WH and ZH production where the Higgs boson decays to bbbar would be poor search channels due to large backgrounds. [...]
ATL-PHYS-PUB-2009-088. - 2009. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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1267.
Prospects for R-Parity Conserving SUSY searches at the LHC / Genest, Marie-Helene (Munich, Tech. U.)
We review the current strategies to search for generic SUSY models with R-parity conservation in the ATLAS and CMS detectors at the LHC. [...]
arXiv:0912.4378 ; ATL-PHYS-PROC-2009-081. - 2009. - 5 p.
Proceedings of Science Server - Full text - Full text - Fulltext
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1268.

Fulltext: PDF;
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1269.
Trigger strategies for central exclusive $H \to b\overline{b}$ studies with the AFP detector / Brown, G J A (Manchester U.) ; Campanelli, M (University Coll. London) ; Kupco, A (Prague U.) ; Pilkington, A (Manchester U.) ; Tasevsky, M (Prague, Inst. Phys.)
The ATLAS Forward Proton (AFP) upgrade proposes to install proton detectors at 220 m and 420 m either side of the ATLAS interaction point, turning the LHC into a giant magnetic spectrometer. [...]
ATL-DAQ-PUB-2009-006. - 2009. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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1270.
Cosmic Ray Muons Timing in the ATLAS Detector / Meirose, Bernhard (Freiburg U.) /ATLAS Tile Calorimeter System Collaboration
In this talk I discuss the use of calorimeter timing both for detector commissioning and in searches for new physics. In particular I present real and simulated cosmic ray muons data results for the ATLAS Tile Calorimeter system. [...]
arXiv:0907.4029; ATL-TILECAL-PROC-2009-001.- Geneva : CERN, 2009-12-30 - 4 p. - Published in : AIP Conf. Proc. 1182 (2009) 192-195 Fulltext: arXiv:0907.4029 - PDF; ATL-TILECAL-PROC-2009-001 - PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 10th Conference on the Intersections of Particle and Nuclear Physics, San Diego, CA, USA, 26 May - 31 May 2009, pp.192-195
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1271.
Extracting backgrounds to SUSY searches from LHC data / Zhuravlov, V (Munich, Max Planck Inst.)
Any discovery of new physics relies on detailed understanding of the Standard Model background. [...]
ATL-PHYS-PROC-2009-082. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1272.
Top quark mass measurement with ATLAS / Marzin, A (Saclay)
The top quark mass measurement with ATLAS in the lepton plus jets channel is summarized from the perspective of the first data taking at a center of mass energy of 14 TeV. [...]
ATL-PHYS-PROC-2009-083. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1273.
Prospects for early discoveries at the LHC with dileptons, jets and no missing energy with the ATLAS detector / Ströhmer, R (Munich U., Neutron Group)
This article describes the search for leptoquark pair production and for the decay of a right-handed $W$ in the cascade decay $W_R -> l N_l -> lqlq$ in final states containing two leptons, additional jets and no missing transverse energy [...]
ATL-PHYS-PROC-2009-084. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1274.
Photon Reconstruction and Identification with the ATLAS Detector / Berglund, Elina (Geneva U.)
The understanding of the reconstruction of photons will be one of the key issues at the start-up of data-taking with the ATLAS experiment at the LHC in 2009. [...]
ATL-PHYS-PROC-2009-085. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1275.
The Expected Performance of the ATLAS Inner Detector / Lee, J S H (Sydney U.)
The ATLAS experiment~cite{detectorpaper} is a general purpose detector designed to exploit the discovery potential of the Large Hadron Collider (LHC) at CERN, which will provide proton-proton collisions at a center of mass energy of 14 TeV. [...]
ATL-INDET-PROC-2009-011. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1276.
Discovery Potential of R-hadrons with the ATLAS Detector at the LHC / Mermod, Philippe
R-hadrons are predicted in a range of supersymmetric scenarios including split-supersymmetry and gauge-mediated supersymmetry breaking. [...]
arXiv:0909.1911. - 2010-03-05. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Fulltext
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1277.
Associated Standard Model Higgs boson search with ATLAS / Bernius, C (U. Coll. London)
The observation with the ATLAS detector at the LHC of a Standard Model Higgs boson produced in association with ttbar, W or Z bosons, and decaying to WW and bbbar final is reported. [...]
ATL-PHYS-PROC-2009-087. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1278.
Commissioning the ATLAS reconstruction software with first LHC beam and cosmic ray data / Karagoz Unel, Muge (Oxford U.)
Looking towards first LHC collisions, the ATLAS detector is being commissioned using all data available: cosmic rays and events produced during a few days of LHC single beam operations. [...]
ATL-SOFT-PROC-2009-004. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1279.
Fake Missing Transverse Energy from Calorimeter Effects / Meirose, B (Freiburg U.)
In this paper we discuss briefly the correlation between fake $\met{}$ and jets pointing to crack regions in the ATLAS calorimeters..
ATL-PHYS-PROC-2009-088 ; arXiv:0909.4152. - 2009. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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1280.
R-parity violation with jet signatures at the ATLAS detector / French, ST (Cambridge U.)
We demonstrate a recently proposed method for determining the mass of boosted neutralinos, in a hadronic detector environment, from their decays into three jets. [...]
ATL-PHYS-PROC-2009-089. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1281.
Heavy Ion Physics with the ATLAS Detector at the LHC / Trzupek, A (Cracow, INP)
The heavy-ion program at the LHC will be pursued by three experiments including ATLAS, a multipurpose detector to study p+p collisions. [...]
ATL-PHYS-PROC-2009-090. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1282.
Performance of the missing transverse energy measurement with the ATLAS detector in commissioning data / Weber, Pavel (Heidelberg U.)
The measurement of the missing transverse momentum in events produced in proton- proton collisions is an important ingredient in the physics program of LHC. [...]
ATL-PHYS-PROC-2009-091. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1283.
Top quark pair production at the LHC with the ATLAS detector / Ta, D B (Bonn U.)
We present a study of the prospects for measuring the t ¯t production cross-section with the ATLAS detector, using decays with one or two leptons (electrons and muons) in the final state. [...]
ATL-PHYS-PROC-2009-092. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1284.
Minimum Bias and Hadronic Event Shapes at LHC / Vivarelli, I (Freiburg U.)
Given the large uncertainties in the extrapolation at the LHC energies of the soft hadron physics cross sections and in the particle multiplicities, the direct measurement of the minimum bias and the underlying event at LHC will be necessary for the understanding of the Standard Model and (possibly) Beyond the Standard Model physics. [...]
ATL-PHYS-PROC-2009-093. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1285.
QCD Studies with W and Z Measurements at LHC / Jen-La Plante, I (Chicago U.)
Events containing W or Z bosons, with subsequent leptonic decays, are important channels to test the Standard Model. [...]
ATL-PHYS-PROC-2009-094. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1286.
The Tau Trigger at the ATLAS Experiment / Reinsch, A (Oregon U.)
The selection of events with tau leptons is motivated by the prospects of new physics discoveries at the energy scales accessible at the LHC. [...]
ATL-DAQ-PROC-2009-027. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1287.
Multi-lepton SUSY searches with the ATLAS detector / Pajchel, K (U. Oslo (main))
We investigate the potential of the ATLAS detector to discover new physics events containing three leptons ($e$ or $mu$). [...]
ATL-PHYS-PROC-2009-095. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1288.
ATLAS upgrades for theSuperLHC collider / Palestini, S (CERN)
While LHC is getting ready for collisions, ATLAS is studying upgrades solutions necessary to cope with the scenarios of a three-fold increase in the collision rate, 3⋅1034 cm-2s-1, for phase-1 upgrade and of a ten-fold increase for the Super-LHC upgrade. [...]
ATL-UPGRADE-PROC-2009-004. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1289.
Search for new physics with long-lived particles in ATLAS / Policicchio, A (Washington U., Seattle)
Various models of new physics, including Hidden Valley models and some supersymmetric models, predict the existence of long-lived particles decaying a significant distance away from the interaction point or traveling inside the detector with a beta less than 1. [...]
ATL-PHYS-PROC-2009-096. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1290.
The ATLAS Trigger System: Recent Experience and Future Plans / Farrington, S M (Oxford U.)
Proceedings for EPS09. [...]
ATL-DAQ-PROC-2009-028. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1291.
Top Cross Section and properties measurements at LHC / Fiorini, L (IFAE, Barcelona)
The study of the top quark phenomena will be a fundamental element of the early physics program at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2009-097. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1292.
Early new physics searches with leptons at LHC / Gatti, C (Frascati)
Several models predict the existence of new gauge bosons leading to final states with high pT leptons: heavier copies of Standard Model W and Z, decaying to dilepton or lepton with missing ET; bosons coupling to right-handed fermions, as in Left-Right symmetric models, where the decay of a heavy neutrino leads to final states with leptons and jets. [...]
ATL-PHYS-PROC-2009-098. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1293.
Low mass Higgs and Higgs properties at the LHC / Tanaka, J (Tokyo U., ICEPP)
The discovery of the Higgs boson is one of the most important studies at the LHC to understand a mechanism of the electroweak symmetry-breaking and an origin of a mass. [...]
ATL-PHYS-PROC-2009-099. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1294.
SEARCHES FOR SUSY AT LHC / Gaudio, G (INFN, Pavia)
Supersymmetry searches is one of the main topics of the research program for the experiments at the LHC, ATLAS and CMS. [...]
ATL-PHYS-PROC-2009-100. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1295.
ATLAS detector with cosmic rays and expected performance with early data / Vu-Anh, T (Mainz U., Inst. Phys.)
Cosmic muons have helped to understand the ATLAS detector in terms of DAQ, trigger, alignment and calibration. [...]
ATL-PHYS-PROC-2009-101. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1296.
Commissioning of the ATLAS Liquid Argon Calorimeter / Labbe, J (LPSC, Grenoble)
The Liquid Argon (LAr) calorimeter is one of the main sub-detectors of the ATLAS experiment at the CERN LHC collider (Geneva, Switzerland). [...]
ATL-LARG-PROC-2009-009. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1297.
The ATLAS Computing Model / Barberis, D (INFN, Genoa ; Genoa U.) ; Jones, R W L (Lancaster U.)
The ATLAS computing model was constructed to exploit the opportunities of the Grid in handling the large volumes of data from the Large Hadron Collider and to allow easy and relatively local access to data for all of its collaborators worldwide. [...]
ATL-SOFT-PROC-2009-005. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1298.
The ATLAS Trigger/DAQ Authorlist, version 3.0 / The ATLAS collaboration
This is the ATLAS Trigger/DAQ Authorlist, version 3.0, 11 September 2009
ATL-DAQ-PUB-2009-007. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1299.
The ATLAS Trigger/DAQ Authorlist, version 3.1 / The ATLAS collaboration
This is the ATLAS Trigger/DAQ Authorlist, version 3.1, 17 September 2009
ATL-DAQ-PUB-2009-008. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1300.
The Online Histogram Presenter for the ATLAS experiment : a modular system for histogram visualization / Dotti, A (CERN ; Pisa U.) ; Adragna, P (Queen Mary, U. of London) ; Vitillo, R A (INFN, Pisa)
The Online Histogram Presenter (OHP) is the ATLAS tool to display histograms produced by the online monitoring system. [...]
ATL-DAQ-PUB-2009-009. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1301.
ATLAS Electroweak Measurements With Early Data / Borroni, S (INFN, Rome ; Rome U.)
The large W and Z cross sections expected at the LHC allow for several measurements involving electroweak bosons already in the early data. [...]
ATL-PHYS-PROC-2009-102. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Published Version from PoS
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1302.

Fulltext: PDF;
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1303.
ATLAS Insertable B-Layer / Marcisovsky, M (Prague, Inst. Phys. ; Prague, Tech. U.)
For the sLHC phase I, the ATLAS detector will be upgraded by installation of additional Pixel Detector layer. [...]
ATL-INDET-PROC-2009-012. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1304.
Results from the commissioning of the ATLAS Pixel Detector with cosmic ray data / Ibragimov, I (Siegen U.)
The ATLAS Pixel Detector is one of the largest silicon pixel hybrid detectors in the world. [...]
ATL-INDET-PROC-2009-013. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1305.
Exclusive Measurements for SUSY Events with the ATLAS detector at the LHC / Ozturk, N (Texas U., Arlington)
We present recent work performed in ATLAS on the SUSY mass measurement techniques by selecting exclusive decay chains as well as on the determination of SUSY model parameters with an integrated luminosity of 1~fb$^{-1}$ at 14 TeV center of mass energy..
ATL-PHYS-PROC-2009-103. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1306.
Determination of QCD Backgrounds in ATLAS: A challenge for SUSY searches / Meirose, Bernhard (Freiburg U.)
In this paper we briefly discuss the estimation of uncertainties in QCD backgrounds to searches for Supersymmetry under development by the ATLAS collaboration..
arXiv:0909.4427 ; ATL-PHYS-PROC-2009-104. - 2010-03-05. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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1307.
Higgs Physics with ATLAS / Davidek, T (Charles U.)
The discovery potential of the ATLAS experiment at the CERN Large Hadron Collider (LHC) also includes the Higgs boson. [...]
ATL-PHYS-PROC-2009-105. - 2009. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1308.
Operation of the ATLAS Semiconductor Tracker: commissioning and performance results with cosmic ray data / González-Sevilla, S (Geneva U.)
The Semiconductor Tracker (SCT) is one of the three sub-systems of the ATLAS internal tracker. [...]
ATL-INDET-PROC-2009-014. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1309.
Reconstruction of tau leptons and prospects for SUSY in ATLAS / Zendler, C (Bonn U.)
Final states with tau leptons may play a special role among the broad variety of signatures for the production of supersymmetric particles at the LHC. [...]
ATL-PHYS-PROC-2009-106. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1310.
Implementation and Performance of the ATLAS Jet Trigger / Conde-Muíño, P (Lisbon, LIFEP)
ATLAS is one of the main experiments at the LHC. [...]
ATL-DAQ-PROC-2009-029. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1311.
Search for new physics with long-lived particles / Marino, C (Indiana U.)
Various models of new physics, including hidden valley models and some supersymmetric models, predict the existence of long lived particles decaying a significant distance away from the interaction point, or even leaving the detector undecayed. [...]
ATL-PHYS-PROC-2009-107. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1312.
Jet calibration in the ATLAS experiment at LHC / Francavilla, P (INFN, Pisa ; Pisa U.)
Jets produced in the hadronisation of quarks and gluons play a central role in the rich physics program that will be covered by the ATLAS experiment at the LHC, and are central elements of the signature for many physics channels. [...]
ATL-PHYS-PROC-2009-108. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1313.
Search for non-Standard-Model Higgs at the LHC with ATLAS / Fassouliotis, D (Athens U.)
The discovery prospects of non Standard Model Higgs bosons with the ATLAS detector are presented [...]
ATL-PHYS-PROC-2009-109. - 2009. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1314.
In-situ Determination of ATLAS Muon Performance / Lopez Mateos, D (Caltech ; Columbia U.)
The ATLAS detector allows for the precise and efficient reconstruction of muons. [...]
ATL-PHYS-PROC-2009-110. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1315.
Electron Reconstruction and Identification with the ATLAS Detector / Kerschen, N (Sheffield U.)
The understanding of the reconstruction of electrons will be one of the key issues at the start-up of data-taking with the ATLAS experiment at the LHC in 2009. [...]
ATL-PHYS-PROC-2009-111. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1316.
Search for dilepton and lepton+Etmiss resonances at high mass with ATLAS / Castaneda-Miranda, E (Wisconsin U., Madison )
We present the discovery potential for a heavy new resonance decaying into lepton pairs, or into a high $pT$ lepton and missing $ET$, using the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2009-112. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1317.
Muon identification algorithms in ATLAS / Resende, B (NIKHEF, Amsterdam)
In the midst of the intense activity that will arise from the proton-proton collisions at the LHC, muons will be very useful to spot rare events of interest. [...]
ATL-PHYS-PROC-2009-113. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1318.
ATLAS prospects for beyond the Standard Model searches / Ledroit-Guillon, F (LPSC, Grenoble)
We discuss how ATLAS has been preparing for the analysis of the first fb-1 of good data at 14 TeV in view of discovering new physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2009-114. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1319.
Inclusive Standard Model Higgs Searches in ATLAS / Fanti, M (Milan U. ; INFN, Milan)
The Standard Model Higgs boson searches with the ATLAS experiment at the Large Hadron Collider through its observation in the ZZ(?), WW(?), ?? and ?+?? final states are reported. [...]
ATL-PHYS-PROC-2009-115. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1320.
Commissioning of the ATLAS Liquid Argon Calorimeter / Talyshev, A (Novosibirsk, IYF)
The ATLAS liquid argon (LAr) calorimeter system consists of an electromagnetic barrel calorimeter and two end-caps with electromagnetic, hadronic and forward calorimeters. [...]
ATL-LARG-PROC-2009-010. - 2009. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1321.
Signatures of GMSB with Non-Pointing Photons at the ATLAS Detector / Hayward, H (Liverpool U.)
Signatures of gauge-mediated supersymmetry breaking include events in which the NLSP is a neutralino decaying to a photon and a gravitino. [...]
ATL-PHYS-PROC-2009-116. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1322.
ATLAS SUSY search prospects at 10 TeV / Dietrich, Janet (Freiburg U.)
The search for physics beyond the Standard Model (BSM) is one of the most important goals for the general purpose detector ATLAS at the Large Hadron Collider at CERN. [...]
arXiv:0910.5653 ; ATL-PHYS-PROC-2009-117. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Preprint - ATL-PHYS-PROC-2009-117 (2009-10-01) - Full text
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1323.
Electron Reconstruction and Identification with the ATLAS Detector / Arnaez, O (Annecy, LAPP)
Several Standard Model processes present electrons in the final state. [...]
ATL-PHYS-PROC-2009-118. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1324.
Prospects for Supersymmetry discovery based on inclusive searches in ATLAS / Portell Bueso, X (Freiburg U.)
This document summarizes the studies performed by ATLAS to address the Supersymmetry discovery based on inclusive searches, assuming 1 fb-1 of data and 14 TeV center-of-mass energy. [...]
ATL-PHYS-PROC-2009-119. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1325.
ATLAS plans on soft and hard diffraction at the early LHC / Juranek, V (Prague, Inst. Phys.)
A brief review of ATLAS forward detector system is presented. [...]
ATL-PHYS-PROC-2009-120. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from CERN
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1326.
Searches for SUSY with the ATLAS detector / Jinnouchi, Osamu (Tokyo Inst. Tech.)
We present a review of the SUSY search strategies in ATLAS in conjunction with a readiness of the detector systems for first collision data in 2009 fall. [...]
ATL-PHYS-PROC-2009-121 ; arXiv:0910.0559. - 2010-03-05. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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1327.
Beyond the Standard Model Higgs Searches at ATLAS / Lampen, C (Arizona U.)
The discovery of a neutral Higgs boson with large decay branching fraction to tau and muon pairs final states, as well as the discovery of a charged Higgs boson would represent a strong evidence of New Physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2009-122. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1328.
Reconstruction And Identification Of Heavy Long-Lived Particles At The ATLAS Detector At The LHC / Tarem, S (Technion)
Long-lived charged particles are predicted by many models of physics beyond the Standard Model (SM). [...]
ATL-PHYS-PROC-2009-123. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1329.
Alignment of the ATLAS Inner Detector Tracking System / Cooper, B (Queen Mary, U. of London)
The position and orientation of the modules of the ATLAS Inner Detector tracking system must be known to O(10 microns) precision in order to not degrade the tracking performance significantly. [...]
ATL-INDET-PROC-2009-015. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1330.
Search for resonances decaying into top quark pairs with ATLAS / Isobe, T (Tokyo U., ICEPP)
Some models, including the so-called Randall-Sundrum model, predict the existence of heavy Kaluza-Klein resonances decaying mainly into top quarks. [...]
ATL-PHYS-PROC-2009-124. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1331.
Prospects of Measuring ZZ and WZ Polarization with ATLAS / Bella, G (Wise Observ.)
The measurement of angular distributions of the decay leptons in di-boson final states allows to reconstruct the spin density element rho_00 in processes where ZZ and WZ final states are produced via quark anti-quark annihilation in proton-proton collisions at the LHC. [...]
ATL-PHYS-PROC-2009-125. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1332.
Measurement of Pion and Proton Response and Longitudinal Shower Profiles up to 20 Nuclear Interaction Lengths with the ATLAS Tile Calorimeter / The ATLAS collaboration
The response of pions and protons in the energy range of 20 to 180 GeV produced at CERN's SPS H8 test beam line in the ATLAS iron-scintillator Tile hadron calorimeter has been measured. [...]
CERN-PH-EP-2009-019 ; ATL-TILECAL-PUB-2009-009. - 2010. - 60 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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1333.
Tau physics at the LHC with ATLAS / Lai, Stan
The presence of tau leptons in the final state is an important signature in searches for physics beyond the Standard Model. [...]
arXiv:0910.4727 ; ATL-PHYS-PROC-2009-126. - 2009. - 6 p.
Electronic Version from a server - Proceedings write-up on eConf - Full text - Fulltext - Full text
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1334.
Performance of the ATLAS Detector on First Single Beam and Cosmic Ray Data / Aleksa, Martin (CERN)
We report on performance studies of the ATLAS detector obtained with first single LHC beam data in September 2008, and large samples of cosmic ray events collected in the fall of 2008. [...]
arXiv:0910.2198 ; ATL-GEN-PROC-2009-012. - 2010-03-05. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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1335.
Commissioning of the ATLAS Liquid Argon Calorimeter / Gibson, A (Toronto U.)
The Liquid Argon (LAr) calorimeter provides electromagnetic and forward hadronic calorimetry for the ATLAS experiment at the LHC. [...]
ATL-LARG-PROC-2009-011. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1336.
Optimization and Performance of the ATLAS Tau Trigger with Cosmics Data / Shamim, M (Oregon U.)
Cosmics data are providing a valuable handle to optimize and commission the ATLAS detector before beam collissions. [...]
ATL-DAQ-PROC-2009-030. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1337.
ATLAS Silicon Microstrip Tracker Operation / Vankov, P (Liverpool U.)
The ATLAS experiment at the CERN Large Hadron Collider (LHC) has started taking data last autumn with the inauguration of the LHC. [...]
ATL-INDET-PROC-2009-016. - CERN, 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from CERN
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1338.
VALIDATION OF THE HADRONIC CALIBRATION OF THE ATLAS CALORIMETER WITH TESTBEAM DATA CORRESPONDING TO THE PSEUDORAPIDITY RANGE $2.5<|eta|<4.0$} / Pospelov, G (Munich, Max Planck Inst.)
The pseudorapidity region $2.5&lt;|eta|&lt;4.0$ in ATLAS is a particularly complex transition zone between the endcap and forward calorimeters. [...]
ATL-LARG-PROC-2009-012. - 2009. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1339.
Analogue Input Calibration of the ATLAS Level-1 Calorimeter Trigger : TWEPP-09 / Morris, J D (Queen Mary, U. of London)
The ATLAS Level-1 Calorimeter Trigger is a hardware-based pipelined system using custom electronics which identifies, within a fixed latency of 2.5 $mu$s, highly energetic objects resulting from LHC collisions. [...]
ATL-DAQ-PROC-2009-031. - CERN, 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from CERN
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1340.
Search for the Higgs Boson in the Channel H->ZZ*->4l with the ATLAS Detector / Rebuzzi, D (INFN, Pavia ; Pavia U.)
The decay channel H->ZZ*->4l provides a clean signature for the Higgs boson in the mass range between ~120 GeV and 2MZ, above which the "gold-plated" channel with two real Z bosons in the final state opens up. [...]
ATL-PHYS-PROC-2009-127. - 2009. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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1341.
ATLAS Liquid Argon Endcap Calorimeter R and D for sLHC / Schacht, P (Munich, Max Planck Inst.)
The performance of the ATLAS liquid argon endcap has been studied for luminosities as expected for the operation at sLHC. [...]
ATL-LARG-PROC-2009-013. - 2009. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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1342.
COMMISSIONING OF THE MUON TRACK RECONSTRUCTION IN THE ATLAS EXPERIMENT / Oda, SX (Tokyo U., ICEPP)
The Muon Spectrometer for the ATLAS experiment at the Large Hadron Collider (LHC) is designed to identify muons with momenta greater than 3 GeV/c and measure muon transverse momenta up to greater than 1 TeV/c. [...]
ATL-MUON-PROC-2009-006. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1343.
Background Studies for the Higgs -> ZZ(*) -> 4l channel for the discovery of the Higgs Boson at the LHC / Anastopoulos, C (Sheffield U.)
XXIX PHYSICS IN COLLISION, The background studies for the the Standard Model Higgs boson in the four lepton (electron and muon) final states in Atlas de- tector at the Large Hadron Collider are reviewed..
ATL-PHYS-PROC-2009-128. - 2009.
Original Communication (restricted to ATLAS) - Full text
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1344.
Combined Studies of the EM Calorimeter and the Inner Detector in the 2004 ATLAS Combined Testbeam / Froeschl, R (CERN)
In 2004 at the ATLAS combined test beam, one slice of the ATLAS barrel detector (including an Inner Detector set-up and the Liquid Argon (LAr) calorimeter) was exposed to particles from the H8 SPS beam line at CERN. [...]
ATL-LARG-PROC-2009-014. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1345.
Calibration of the ATLAS muonchambers / Rauscher, F (Munich U.)
The high-pressure drift tube chambers for the muon spectrometer of the ATLAS detector at the LHC have to provide a track position resolution of 40~$mu$m. [...]
ATL-MUON-PROC-2009-007. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1346.
A Prototype Front-End Readout Chip for Silicon Microstrip Detectors Using an Advanced SiGe Technology / Grillo, A A (UC, Santa Cruz, Inst. Part. Phys) ; Spencer, E (UC, Santa Cruz, Inst. Part. Phys) ; Daniel, L (UC, Santa Cruz, Inst. Part. Phys) ; Horn, G (UC, Santa Cruz, Inst. Part. Phys) ; Martchovsky, A (UC, Santa Cruz, Inst. Part. Phys) ; Martinez-McKinney, F (UC, Santa Cruz, Inst. Part. Phys) ; Sadrozinski, H F W (UC, Santa Cruz, Inst. Part. Phys) ; Seiden, A (UC, Santa Cruz, Inst. Part. Phys) ; Wilder, M (UC, Santa Cruz, Inst. Part. Phys)
The upgrade of the ATLAS detector for the high luminosity upgrade of the LHC will require a rebuild of the Inner Detector as well as replacement of the readout electronics of the Liquid Argon Calorimeter and other detector components. [...]
ATL-UPGRADE-PROC-2009-005. - CERN, 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from CERN
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1347.
A Low-cost Multi-channel Analogue Signal Generator / Müller, F (Heidelberg U.) ; Schmitt, K (Heidelberg U.) ; Shen, W (Heidelberg U.) ; Stamen, R (Heidelberg U.)
A scalable multi-channel analogue signal generator is presented. [...]
ATL-DAQ-PROC-2009-032. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1348.
ATLAS Muon Spectrometer / takahashi, yuta (Nagoya U.)
The muon spectrometer of the ATLAS experiment at the Large Hadron Collider (LHC) at CERN was designed to achieve a momentum resolution of better than 10% at 1 TeV. [...]
ATL-MUON-PROC-2009-008. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1349.
Improved performance for the ATLAS ReadOut System with the switchbased architecture / The ATLAS collaboration
About 600 custom-built ReadOut Buffer INput (ROBIN) PCI boards are used in the DataCollection system of the ATLAS experiment at CERN. [...]
ATL-DAQ-PROC-2009-033. - CERN, 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from CERN
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1350.
The ATLAS Detector: Status and Results from Cosmic Rays / Shank, J (Boston U.)
The ATLAS detector at the Large Hadron Collider, CERN has been under construction for more than a decade. [...]
ATL-GEN-PROC-2009-013. - 2009. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1351.
Monitoring and Data Quality assessments for the ATLAS Liquid Argon Calorimeter at the LHC / Lévêque, J (Marseille, CPPM)
The ATLAS detector at the Large Hadron Collider is expected to collect an unprecedented wealth of data at a completely new energy scale. [...]
ATL-LARG-PROC-2009-015. - 2009. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1352.

Fulltext: PDF;
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1353.
The ATLAS detector at the LHC / Robichaud-Véronneau, A (Geneva U.)
The biggest existing multi-purpose particle detector, ATLAS, is now built and running at CERN. [...]
ATL-GEN-PROC-2009-014. - 2009. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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1354.
Development of new readout electronics for the ATLAS LAr Calorimeter at the sLHC / Strässner, A (Dresden, Tech. U.)
The readout of the ATLAS Liquid Argon (LAr) calorimeter is a complex multi-channel system to amplify, shape, digitize and process signals of the detector cells. [...]
ATL-LARG-PROC-2009-016. - CERN, 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from CERN
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1355.
LAPAS: A SiGe Front End Prototype for the Upgraded ATLAS LAr Calorimeter / Dressnandt, N (Pennsylvania U.) ; Newcomer, F M (Pennsylvania U.) ; Rescia, S (Brookhaven) ; Vernon, E (Brookhaven)
We have designed and fabricated a very low noise preamplifier and shaper to replace the existing ATLAS Liquid Argon readout for use at the Large Hadron Collider upgrade (sLHC) [...]
ATL-LARG-PROC-2009-017. - CERN, 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from CERN
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1356.
The Physics Analysis Tools project for the ATLAS experiment / Lenzi, B (IRFU, SPP, Saclay)
The Large Hadron Collider is expected to start colliding proton beams in 2009. [...]
ATL-SOFT-PROC-2009-006. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1357.
Commissioning of the ATLAS Pixel Detector with Cosmics Ray Data / Pérez-Réale, V (Nevis Labs, Columbia U.)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2009-017. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1358.
Reconstruction and Identification of Electron and Photon with the ATLAS Detector / Ahmad, A (SUNY, Stony Brook)
Electrons and photons will be produced in many physics channels of prime interest at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2009-130. - 2009. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1359.
Commissioning of the ATLAS Trigger Event Selection with Single Beam and Cosmic Rays / Urquijo, P (Geneva U.)
ATLAS is a particle physics experiment at the CERN Large Hadron Collider (LHC), designed to discover new physics beyond the Standard Model as well as for precise measurements of known particles and interactions. [...]
ATL-DAQ-PROC-2009-034. - 2009. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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1360.
Analyses of high mass resonances at ATLAS and CMS / Flores Castillo, L R (Wisconsin U., Madison)
Several plausible extensions of the Standard Model predict the existence of high mass resonances that can be reconstructed (either fully or partially) in the ATLAS and CMS detectors using leptons, jets and the missing transverse energy. [...]
ATL-PHYS-PROC-2009-131. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1361.
New developments in data-driven background determinations for SUSY searches in ATLAS / Koetsveld, F (Nikhef ; Nijmegen U.)
The LHC will open a whole new window on supersymmetry (SUSY) searches, probing energies where also the Standard Model (SM) behavior is unknown. [...]
ATL-PHYS-PROC-2009-132. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Published version from PoS
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1362.
Performance of the Resistive Plate Chambers as LVL1 ATLAS muon trigger detectors / Bianco, M (Salento U. ; INFN, Lecce)
Resistive Plate Chambers (RPC) are used for the fast tracking trigger in the barrel region of the muon system which forms the outer shell of the ATLAS experiment at the Large Hadron Collider (LHC). [...]
ATL-MUON-PROC-2009-009. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1363.
Distributed Data Analysis in ATLAS / Nilsson, P (Texas U., Arlington)
Data analysis using grid resources is one of the fundamental challenges to be addressed before the start of LHC data taking. [...]
ATL-SOFT-PROC-2009-007. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1364.
COMMISSIONING OF THE ATLAS PIXEL DETECTOR WITH COSMICS DATA / Hirsch, F (Dortmund U.)
This paper presents results from the commissioning periods of the ATLAS Pixel Detector in 2008 and 2009. [...]
ATL-INDET-PROC-2009-018. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1365.
Discovery potential of the SM Higgs with ATLAS / Fleischmann, P (Wurzburg U.)
The discovery potential of the Standard Model Higgs boson with the ATLAS experiment at the Large Hadron Collider is reviewed for the HEP-MAD'09 conference. [...]
ATL-PHYS-PROC-2009-133. - 2009. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1366.
Precise Timing Adjustment for the ATLAS Level1 Endcap Muon Trigger System / The ATLAS collaboration
The ATLAS level1 endcap muon trigger system consists of about 4000 Thin Gap Chambers (TGC) with 320,000 input electronics channels in order to find level1 trigger candidates for muons in both endcap regions. [...]
ATL-DAQ-PROC-2009-035. - CERN, 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from CERN
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1367.
ATLAS cosmic ray results / Schmitt, C (Mainz U., Inst. Phys.)
Since the start of the LHC operations, ATLAS has recorded several hundred million cosmic-ray events. [...]
ATL-GEN-PROC-2009-015. - 2009. - 10 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1368.
Expected performance of the ATLAS detector in GMSB models with tau final states
Gauge Mediated Supersymmetry Breaking (GMSB) models provide a possible mechanism to mediate supersymmetry to the visible sector. [...]
ATL-PHYS-PUB-2009-089. - 2009. - 19 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1369.
W mass measurement in the ATLAS experiment / Besson, N (CEA, Saclay ; IRFU, Saclay)
A precise measurement of the mass of the W boson will be essential to provide improved indirect constraints, e.g. [...]
ATL-PHYS-PROC-2009-134. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
  Detailed record Copy itemCopy item
1370.
Commissioning of the ATLAS liquid argon calorimeter (conference record) / Guillemin, T
The status of the ATLAS liquid argon calorimeter on the eve of the Large Hadron Collider startup is reviewed. [...]
ATL-LARG-PROC-2009-018. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1371.
A Layer Correlation Technique for Pion Energy Calibration at the 2004 ATLAS Combined Beam Test (Conference record) / Grahn, K-J (KTH Stockholm)
A new method for calibrating the hadron response of a segmented calorimeter is developed. [...]
ATL-LARG-PROC-2009-019. - 2009. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1372.
ATLAS Silicon Microstrip Tracker Operation / Hanagaki, K (Osaka U.)
A Semi-Conductor Microstrip Tracker (SCT) has been built and installed into the ATLAS detector at the Large Hadron Collider (LHC) in CERN. [...]
ATL-INDET-PROC-2009-019. - 2009. - 7 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1373.
Alignment of the ATLAS Inner Detector Tracking System / Cortiana, G (Munich, Max Planck Inst.)
ATLAS is a multi purpose detector built to study proton-proton collisions, at the center of mass energy of 14 TeV, as provided by the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2009-020. - 2009. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1374.
The Luminosity Monitor of the ATLAS Experiment / Villa, M (Bologna U. ; INFN, Bologna)
In the ATLAS experiment, the online luminosity will be monitored mainly by a dedicated detector called LUCID (LUminosity Cherenkov Integrating Detector). [...]
ATL-LUM-PROC-2009-004. - 2009. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1375.
The Expected Performance of the ATLAS Inner Detector / Lee, J S H (Sydney U.)
Abstract—The ATLAS experiment is a general purpose detector designed to exploit the discovery potential of the Large Hadron Collider (LHC) at CERN, which will provide proton- proton collisions at a center of mass energy of 14 TeV. [...]
ATL-INDET-PROC-2009-021. - 2009. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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1376.
A Receiver System for the TileCal Muon Signals / Ciodaro, T (Rio de Janeiro Federal U.)
The muon signals of the hadronic calorimeter of ATLAS (TileCal) have successfully been used to trigger on cosmic rays. [...]
ATL-TILECAL-PROC-2009-002. - 2009. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1377.
The ATLAS RPC ROD for Super LHC / Aloisio, A (INFN, Naples ; Naples U.) ; Capasso, L (INFN, Naples ; Naples U.) ; Cevenini, F (INFN, Naples ; Naples U.) ; Della Pietra, M (Naples U. ; INFN, Naples) ; Giordano, R (INFN, Naples ; Naples U.) ; Izzo, V (Naples U. ; INFN, Naples)
The number of interactions per bunch crossing for the upgrade of the Large Hadron Collider is expected to be ten times greater than the actual one. [...]
ATL-DAQ-PROC-2009-036. - 2009. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1378.
Neural Online Filtering Based on Preprocessed Calorimeter Data / Torres, R C (Rio de Janeiro Federal U.) ; de Lima, D E F (Rio de Janeiro Federal U.) ; de Simas Filho, E F (Rio de Janeiro Federal U.) ; De Seixas, J M (Rio de Janeiro Federal U.)
Aiming at coping with LHC high event rate, the ATLAS collaboration has been designing a sophisticated three-level online triggering system. [...]
ATL-DAQ-PROC-2009-037. - 2009. - 7 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1379.
Track Reconstruction in the ATLAS High Level Trigger Using Cosmic Ray Muons / Lane, J (Manchester U.) ; Ask, S (Manchester U.) ; Masik, J (Manchester U.)
The large collision rate together with the complicated event signatures at the LHC implies critical requirements on the trigger system. [...]
ATL-DAQ-PROC-2009-038. - 2009. - 11 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1380.
Performance of the ATLAS Hadronic Tile Calorimeter at the LHC Startup / Solans, C (Valencia U., IFIC)
The Tile hadronic calorimeter is the central hadronic barrel calorimeter of the ATLAS experiment at CERN. [...]
ATL-TILECAL-PROC-2009-003. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1381.
Physics with B-mesons in ATLAS / Smirnova, L (Moscow State U.) ; Boldyrev, A (Moscow State U.)
B-physics is an importany part of studies with the LHC beams at low luminosities. [...]
ATL-PHYS-PROC-2009-135. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1382.
The ATLAS TileCal Read-Out Drivers Signal Reconstruction / Valero, A (Valencia U., IFIC)
TileCal is the hadronic calorimeter of the ATLAS experiment at the LHC collider at CERN. [...]
ATL-TILECAL-PROC-2009-004. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1383.
Commissioning of the ATLAS Reconstruction Software with First Data (Conference Record) / Lampl, W (Arizona U.)
Looking towards first LHC collisions, the ATLAS detector is being commissioned using all types of physics data available: cosmic rays and events produced during a few days of LHC single beam operations [...]
ATL-SOFT-PROC-2009-008. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1384.
The ATLAS Level-1 Muon Barrel Trigger timing studies using combined trigger and offline tracking / Salamanna, G (NIKHEF, Amsterdam)
I present here the strategy and tools developed to time in all the elements of the Level-1 Muon Barrel Trigger of the ATLAS experiment at the CERN Large Hadron Collider. [...]
ATL-DAQ-PROC-2009-039. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1385.
The ATLAS tau trigger / Tsuno, S (KEK, Tsukuba)
The ATLAS tau trigger consists of three level trigger systems: the first one (L1) is hardware based and uses FPGAs, while the second (L2) and third levels (EF -Event Filter-) are software based and use commodity computers (2 x Intel Harpertown quad-core 2.5 GHz), running scientific linux 5. [...]
ATL-DAQ-PROC-2009-040. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1386.
Streamlined Calibration of the ATLAS Muon Spectrometer Precision Chambers / Levin, DS (Michigan U.) ; Amram, N (Tel Aviv U.) ; Dai, T (Michigan U.) ; Diehl, EB (Michigan U.) ; Ferretti, C (Michigan U.) ; Hindes, JM (Michigan U.) ; Zhou, B (Michigan U.)
The ATLAS Muon Spectrometer is comprised of nearly 1200 optically Monitored Drifttube Chambers (MDTs) containing 354,000 aluminum drift tubes. [...]
ATL-MUON-PROC-2009-010. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1387.
Status of the ATLAS Detector and results from commissioning with cosmic rays and single beams / Hervas, L (CERN)
We report on operation and performance studies of the ATLAS detector with large samples of cosmic-ray events collected during 2008 and first single LHC beam data in September 2008. [...]
ATL-GEN-PROC-2009-016. - 2009. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1388.
Expected Performance of the ATLAS Inner Detector / Chouridou, S (UC, Santa Cruz)
The ATLAS experiment at the CERN Large Hadron Collider (LHC) has started taking data in September 2008 with the inauguration of the LHC. [...]
ATL-INDET-PROC-2009-022. - 2009. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1389.
ATLAS CNI Experiment : Total Cross Sections and Luminosity / Heller, M (Orsay, LAL)
The absolute luminosity measurement will be performed for the ATLAS detector at LHC during dedicated runs with a precision of a few percents using elastic scattering at very low momentum transfer. [...]
ATL-PHYS-PROC-2009-136. - 2009. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1390.
Jet and Missing ET Reconstruction and Signatures at ATLAS and CMS / Terashi, K (Tokyo U.)
Jet and missing transverse energy reconstruction and calibration strategies and their expected performance in ATLAS and CMS experiments at the LHC are presented, together with studies of high transverse momentum signatures of jets aimed at the search for new phenomena such as boosted top quark mono-jets expected in various beyond the standard model scenarios..
ATL-PHYS-PROC-2009-137. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1391.
The ATLAS silicon strip detector running experience / Kayl, Manuel (NIKHEF, Amsterdam)
The silicon strip detector (Semi-Conductor-Tracker, SCT) is one of the three sub-detectors of the ATLAS inner tracking system. [...]
ATL-INDET-PROC-2009-023. - 2009. - 8 p.
Original Communication (restricted to ATLAS) - Published version from PoS - Full text
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1392.
ATLAS Pixel Detector: Running Experience / Keil, M (Geneva U.)
The ATLAS Pixel Detector is the innermost tracking device of the ATLAS Experiment. [...]
ATL-INDET-PROC-2009-024. - 2009. - 9 p.
Original Communication (restricted to ATLAS) - Published version from PoS - Full text
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1393.
Early ATLAS B-physics with the first 10 - 100 pb-1 / Sampsonidis, D (Aristotle U., Thessaloniki)
The B-physics program of the ATLAS experiment at the LHC with the early data is presented. [...]
ATL-PHYS-PROC-2009-138. - 2009. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1394.
Alignment of the ATLAS Inner Detector tracking system / Brandt, O (Oxford U. ; Gottingen U.)
The Large Hadron Collider (LHC) at CERN is the world largest particle accelerator. [...]
ATL-INDET-PROC-2009-025. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1395.
Muon reconstruction and selection at the last trigger level of the ATLAS experiment / Crupi, R (Salento U.)
The three-level Trigger and DAQ system of ATLASis designed to be very selective while preserving the full physics potential of the experiment; out of the ~1 GHz of proton-proton interactions provided by the LHC at nominal operating conditions, ~200 events/sec are retained. [...]
ATL-DAQ-PROC-2009-041. - 2009. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1396.
Stable massive particle in the ATLAS high-level muon trigger / Okada, S (Kobe U.)
Charged stable massive particles (SMPs) which are predicted by theories beyond the Standard Model, may be produced at the Large Hadron Collider (LHC) built at CERN. [...]
ATL-DAQ-PROC-2009-042. - 2009. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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1397.
Commissioning and Alignment of the ATLAS Inner Detector using Cosmic Data / Kollar, D (CERN)
The ATLAS experiment is one of the two general purpose detectors at the LHC at CERN. [...]
ATL-INDET-PROC-2009-026. - 2009. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1398.
Usage of vertex detectors in the ATLAS trigger software / Coccaro, Andrea (Genoa U. ; INFN, Genoa)
The challenging environment in which the Large Hadron Collider (LHC) experiments are going to operate implies a sophisticated trigger system, capable of real-time track and vertex reconstruc- tion. [...]
ATL-DAQ-PROC-2009-043. - 2009. - 7 p.
Original Communication (restricted to ATLAS) - Published version from PoS - Full text
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1399.
$B_s \rightarrow J/\psi \phi$ with ATLAS/CMS / Dewhurst, A (Lancaster U.)
There is large potential for New Physics to be discovered in $B^0_s - \overline{B}^0_s$ mixing-induced CP violation. [...]
ATL-PHYS-PROC-2009-139. - 2009. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1400.
ATLAS commissioning and early physics of resonance and jet production / HARA, K (Tsukuba U., GSPAS)
As early physics programs with the ATLAS detector, we present J/psi and Upsilon cross section and spin alignment measurements, and the strategy for the jet energy calibration..
ATL-PHYS-PROC-2009-140. - 2009. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1401.
Operational Experience of the ATLAS High Level Trigger with Single-Beam and Cosmic Rays / Aracena, I (SLAC)
ATLAS is one of two general-purpose detectors at the LHC. [...]
ATL-DAQ-PROC-2009-044. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1402.
ATLAS Strips Upgrade / Miñano, Mercedes (Valencia U., IFIC)
It is foreseen to increase the luminosity of the LHC at CERN around 2020 by about an order of magnitude (SLHC). [...]
ATL-INDET-PROC-2009-027. - 2009. - 8 p.
Original Communication (restricted to ATLAS) - Published version from PoS - Full text
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1403.
Status of the ATLAS Experiment and Early Physics Measurements / Iodice, M (INFN, Rome3)
The ATLAS experiment has collected several hundred million cosmic ray events during 2008 and 2009 providing the primary source for commissioning the detectors, trigger, data acquisition and event reconstruction programs. [...]
ATL-GEN-PROC-2009-017. - 2009. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1404.
ATLAS detector commissioning results with cosmics and first beam / Cerri, A (CERN)
An intense finalization and commissioning activity has preceded the delivery of the first LHC events to its experiments. [...]
ATL-GEN-PROC-2009-018. - 2009. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1405.
Measuring the Properties of the Higgs Boson with the ATLAS Detector / Strandberg, Jonas (Michigan U.)
The prospects for determining the properties of a Higgs boson like particle discovered at the Large Hadron Collider using measurements with the ATLAS detector are summarized. [...]
ATL-PHYS-PROC-2009-141. - 2009. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1406.
The TRT Fast-OR Trigger / Fratina, S (The University of Pennsylvania, Philadelphia, PA, USA) ; Hance, M (The University of Pennsylvania, Philadelphia, PA, USA) ; Newcomer, M (The University of Pennsylvania, Philadelphia, PA, USA) ; Olivito, D (The University of Pennsylvania, Philadelphia, PA, USA) ; Van Berg, R (The University of Pennsylvania, Philadelphia, PA, USA) ; Wagner, P (The University of Pennsylvania, Philadelphia, PA, USA) ; Williams, H (The University of Pennsylvania, Philadelphia, PA, USA) ; Auerbach, B (Yale University, New Haven, CT, USA) ; Dobos, D (CERN) ; Lichard, P (CERN)
The TRT “Fast-OR” trigger is the highest track rate cosmics trigger of the Inner Detector at ATLAS. [...]
ATL-INDET-PUB-2009-002. - 2009. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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1407.
ATLAS Trigger: design and commissioning / Pastore, F (CERN)
The ATLAS detector at CERN's Large Hadron Collider (LHC) will be exposed to proton-proton collisions from beams crossing at 40 MHz. [...]
ATL-DAQ-PROC-2009-045. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1408.
A Fast Hardware Tracker for the ATLAS Trigger System / Neubauer, M (Illinois U., Urbana)
As the LHC luminosity is ramped up to the design level of 10^{34} cm^{-2} s^{-1} and beyond, the high rates, multiplicities, and energies of particles seen by the detectors will pose a unique challenge. [...]
ATL-DAQ-PROC-2009-046. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1409.
prospects of measuring ZZ and WZ polarization with ATLAS detector / Liang, Z (Taiwan, Inst. Phys. ; SYSU, Guangzhou)
The prospects are presented for measuring the longitudinal polarization fraction of the W and Z boson in WZ and ZZ production at the LHC, using the ATLAS detector. [...]
ATL-PHYS-PROC-2009-142. - 2009. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1410.
The Configuration System of the ATLAS Trigger / Bell, P (Manchester U.) ; Berge, D (Cern) ; Brunet, S (DESY) ; Fischer, G (DESY) ; Goebel, M (DESY) ; Haller, J (DESY ; Hamburg U.) ; Head, S (Manchester U.) ; Höcker, A (Cern) ; Kono, T (Cern) ; Martyniuk, A (Manchester U.) et al.
The ATLAS detector at CERN’s LHC will be exposed to proton-proton collisions at a rate of 40 MHz. [...]
ATL-DAQ-PROC-2009-047. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1411.
B Hadron Properties at the LHC / Ji, W (Lund U.)
We present the prospects of measuring B hadron properties in the ATLAS, CMS and LHCb experiments at the LHC. [...]
ATL-PHYS-PROC-2009-143. - 2009. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1412.
The FE-I4 Pixel Readout Integrated Circuit / Garcia-Sciveres, M (LBNL, Berkeley) ; Arutinov, D (Bonn U.) ; Barbero, M (Bonn U.) ; Beccherle, R (INFN, Genoa) ; Dube, S (LBNL, Berkeley) ; Elledge, D (LBNL, Berkeley) ; Fleury, J (Orsay, LAL) ; Fougeron, D (Marseille, CPPM) ; Gensolen, F (Marseille, CPPM) ; Gnani, D (LBNL, Berkeley) et al.
A new pixel readout integrated circuit denominated FE-I4 is being designed to meet the requirements of ATLAS experiment upgrades. [...]
ATL-UPGRADE-PROC-2010-001. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1413.
Commissioning of the ATLAS Trigger and Data Acquisition System with Single-Beam and Cosmic Rays / Hauser, R (Michigan State U.)
ATLAS is one of the two general purpose detectors at the Large Hadron Collider (LHC). [...]
ATL-DAQ-PROC-2010-001. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1414.
Trigger Monitoring at ATLAS / Sidoti, A (Humboldt U., Berlin)
The Trigger and Data Acquisition system for the ATLAS experiment has to reduce the 40 MHz of LHC bunch crossing rate to ~200 Hz of recording rate. [...]
ATL-DAQ-PROC-2010-002. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1415.
Minimum bias and early QCD physics at LHC / Tapprogge, S (Mainz U., Inst. Phys.)
An overview of early measurements expected from the ATLAS and the CMS experiment on the properties of proton-proton interactions at the Large Hadron Collider (LHC) is presented. [...]
ATL-PHYS-PROC-2010-001. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1416.
Commissioning of the Charged Lepton Identification with Cosmic Rays in ATLAS / Kortner, O (Munich, Max Planck Inst.)
Efficient identification of charged leptons will be a key to the study of many physics processes at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2010-002. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1417.
First observation of electrons in the ATLAS detector / Kraus, J (Bonn U.)
The special topology of cosmic events traversing all subdetectors offers the unique opportunity to investigate the combined performance of ATLAS in identifying and reconstructing particles before first collisions. [...]
ATL-PHYS-PROC-2010-003. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1418.
Implementation and Performance of the ATLAS Jet Trigger / Anjos, N (LIP, Lisbon)
This work presents the challenges of the ATLAS jet trigger and describes its implementation and expected performance. [...]
ATL-DAQ-PROC-2010-003. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1419.
Cut based identification of hadronic tau decays
In this note we discuss the performance of two cut-based approaches for the identification of $\tau$ leptons based on studies using Monte Carlo samples with $E_\mathrm{CM}= 14$ TeV. [...]
ATL-PHYS-PUB-2010-001. - 2010. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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1420.
TCAD Simulations of ATLAS Pixel Guard Ring and Edge Structure for SLHC Upgrade / Lounis, A (LAL, Univ Paris-Sud, CNRS/IN2P3, Orsay, France) ; Martinot, D (LPNHE, CNRS/IN2P3, University of Paris VI, Paris, France) ; Calderini, G (LPNHE, CNRS/IN2P3, University of Paris VI, Paris, France) ; Marchiori, G (LPNHE, CNRS/IN2P3, University of Paris VI, Paris, France) ; Benoit, M (LAL, Univ Paris-Sud, CNRS/IN2P3, Orsay, France) ; Dinu, N (LAL, Univ Paris-Sud, CNRS/IN2P3, Orsay, France)
In this work, the magnitude of the electric field and the depletion inside a simplified two dimensional model of the ATLAS planar pixel sensor for the insertable b-layer and the super-LHC upgrade have been studied. [...]
ATL-UPGRADE-PUB-2010-001. - 2010. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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1421.
Top quark properties with ATLAS / Castro, N (Granada U., Theor. Phys. Astrophys. ; LIP, Coimbra)
The top quark is unique in the Standard Model due to its large mass, possible role in electroweak symmetry breaking and rapid decay without forming bound states. [...]
ATL-PHYS-PROC-2010-004. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1422.
Discovery potential of Supersymmetry and Universal Extra Dimensions in the ATLAS experiment at the Large Hadron Collider at CERN / Bianchi, R M (Freiburg U.)
This paper presents an evaluation of the discovery potential of Supersymmetry and Universal Extra Dimensions for channels with jets, leptons and missing transverse energy. [...]
ATL-PHYS-PROC-2010-005. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1423.
The Tau Trigger at the Atlas Experiment / Ptacek, E (Oregon U.)
The tau trigger system is a component of the Atlas trigger system. [...]
ATL-DAQ-PROC-2010-004. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1424.
B Physics and Quarkonia studies with early ATLAS data / Etzion, E (Tel Aviv U.)
Quarkonia and B-Physics are among the first areas to be investigated with the first data collected by ATLAS. [...]
ATL-PHYS-PROC-2010-006. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1425.
Search for the SM Higgs boson at the LHC / Cerutti, Fabio (LNF, Dafne Light)
The Standard Model Higgs discovery potential of the ATLAS and CMS experiments is reviewd. [...]
ATL-PHYS-PROC-2010-007. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1426.
Forward physics at the ATLAS experiment / Ruzicka, Pavel (Prague, Inst. Phys.)
This contribution describes forward physics measurements possible to make with current ATLAS forward detectors including the upgrade project AFP. [...]
ATL-LUM-PROC-2010-001. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1427.
Commissioning of the ATLAS Tile Calorimeter / Maneira, Jose (LIP, Lisbon)
TileCal is the barrel hadronic calorimeter for ATLAS at the LHC/CERN, made of iron and scintillating tiles, read-out by WLS fibers and PMTs. [...]
ATL-TILECAL-PROC-2010-001. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1428.
The ATLAS Tracker Upgrade : Short Strips Detectors for the sLHC / Soldevila, U (Valencia U., IFIC) ; García, C (Valencia U., IFIC) ; Lacasta, C (Valencia U., IFIC) ; Marti i García, S (Valencia U., IFIC) ; Miñano, M (Valencia U., IFIC)
It is foreseen to increase the luminosity of the Large Hadron Collider (LHC) at CERN around 2018 by about an order of magnitude, with the upgraded machine dubbed Super-LHC or sLHC. [...]
ATL-UPGRADE-PROC-2010-002. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1429.
Prospectives of the Hadron Program in ATLAS / Kwee, R (CERN ; Humboldt U.)
One of the first measurements will be made at the LHC by ATLAS on properties of inelastic collisions, analysing the central charged particle density and transverse momentum distributions. [...]
ATL-PHYS-PROC-2010-008. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1430.
ATLAS Detector Commissioning with Photons / Koffas, T (CERN)
An intense commissioning activity of the ATLAS detector has preceded the LHC beam start up. [...]
ATL-PHYS-PROC-2010-009. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1431.
Top Quark Pair Production Cross Section at LHC with ATLAS / Doxiadis, AD (NIKHEF, Amsterdam)
The prospects for measuring the top quark pair production cross section with the ATLAS detector at a center-of-mass energy of 10 TeV and an integrated luminosity of 200 pb-1 is presented here, using decays with one or two leptons (electrons and muons) in the final state. [...]
ATL-PHYS-PROC-2010-010. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1432.
Standard Model Higgs search in 4-lepton final state with ATLAS detector / Di Nardo, R (Rome U., Tor Vergata ; INFN, Rome)
The discovery potential of the ATLAS detector at the LHC for a neutral SM Higgs boson decaying to purely leptonic final states, that is H-&gt;ZZ(*)-&gt; 4 leptons (electrons or muons), is presented. [...]
ATL-PHYS-PROC-2010-011. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1433.
Estimation of Top Background to SUSY Searches from Data / Kroha, H (Munich, Max Planck Inst.)
The Standard Model process of ttbar production is one of the most important backgrounds to searches for Supersymmetry (SUSY) at the LHC. [...]
ATL-PHYS-PROC-2010-012. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1434.
Expected Performance of the ATLAS Detector in GMSB Models with Tau Final States / Ludwig, Dorthe (DESY)
Gauge Mediated Supersymmetry Breaking (GMSB) models provide a possible mechanism to mediate Supersymmetry to the visible sector. [...]
arXiv:1002.0944 ; ATL-PHYS-PROC-2010-013. - 2010. - 3 p.
Proceedings of Science Server - Full text - Fulltext - Fulltext - Full text
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1435.
IBL - ATLAS Pixel Upgrade / Flick, T (Wuppertal U.)
The upgrade for the ATLAS detector will undergo different phases towards sLHC. [...]
ATL-INDET-PROC-2010-001. - 2009. - 8 p.
Original Communication (restricted to ATLAS) - Published version from PoS - Full text
  Detailed record Copy itemCopy item
1436.
Tagging b-jets in ATLAS / Goepfert, T (Dresden, Tech. U., ITP)
The ability to identify jets containing b-hadrons is important for the high-pT physics program of a general-purpose experiment at the LHC such as ATLAS. [...]
ATL-PHYS-PROC-2010-014. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1437.
Cooling: Experience from ATLAS and CMS / Nagai, Koichi (Brookhaven)
The cooling system of a large scale silicon detector system is critical for the long term operation of detectors in the harsh radiation environment of the LHC. [...]
ATL-INDET-PROC-2010-002. - 2009. - 9 p.
Original Communication (restricted to ATLAS) - Published version from PoS - Full text
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1438.
Operation of the ATLAS Semiconductor Tracker / Barlow, N (Cambridge U.)
ATLAS is one of the large general purpose detectors for the Large Hadron Collider at CERN, designed to search for a wide range of New Physics phenomena. [...]
ATL-INDET-PROC-2010-003. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1439.
Status of the ATLAS Experiment / Jon-And, K (Stockholm U., OKC)
The ATLAS detector, which has been under construction and installation for more than 15 years, is now fully installed and running at the CERN Large Hadron Collider. [...]
ATL-GEN-PROC-2010-001. - 2010. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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1440.
L1 Track Trigger for ATLAS / Konstantinidis, Nikos (University Coll. London)
We present preliminary ideas and feasibility studies of a L1 track trigger for the ATLAS detector upgrade for super-LHC. [...]
ATL-UPGRADE-PROC-2010-003. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1441.
Thermal Grease Evaluation for ATLAS Upgrade Micro-Strip Detector. / Barbier, G (University of Geneva) ; Cadoux, F (University of Geneva) ; Clark, A (University of Geneva) ; Ferrère, D (University of Geneva) ; Pernecker, S (University of Geneva) ; Perrin, E (University of Geneva) ; Streit, KP (University of Geneva) ; Weber, M (University of Geneva)
The ATLAS upgrade detector foreseen at the phase 2 upgrade of LHC requires a complete new inner detector using silicon pixel and strip detectors. [...]
ATL-UPGRADE-PUB-2010-002. - 2010. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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1442.
ATLAS Data Acquisition / Zhang, J (Argonne)
ATLAS is a general purpose High Energy Physics experiment at the Large Hadron Collider. [...]
ATL-DAQ-PROC-2010-005. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1443.
Prospects for b-tagging in ATLAS and tracking commissioning results with cosmic rays / Vacavant, L (Marseille, CPPM)
The ability to identify jets containing B hadrons is important for the high-pT physics program of a general-purpose experiment at the LHC such as ATLAS. [...]
ATL-PHYS-PROC-2010-015. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1444.
QCD Studies at the LHC with the ATLAS Detector / Eckweiler, S (U. Mainz, PRISMA)
This paper describes a selection of early QCD analyses, planned to be performed with the ATLAS experiment. [...]
ATL-PHYS-PROC-2010-016. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1445.
Other BSM Searches at the LHC / Benslama, Kamal (Regina U.)
The considerable center-of-mass energy and luminosity provided by the Large Hadron Collider (LHC) will ensure a discovery reach for new particles which extends well into the multi-TeV region. [...]
ATL-PHYS-PROC-2010-017. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1446.
Search for New Physics with Long-Lived Neutral Particles in ATLAS: The Hidden Valley Scenario / Harris, O M (Washington U., Seattle)
With the start of the Large Hadron Collider a new energy frontier will be accessible to experimental particle physics, and many new models and extensions to the Standard Model will be tested. [...]
ATL-PHYS-PROC-2010-018. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1447.
Commissioning of the ATLAS Pixel Detector with Cosmic Ray Data / Di Girolamo, B (CERN)
The Pixel Detector is the innermost tracking device of the ATLAS experiment at LHC [...]
ATL-INDET-PROC-2010-004. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1448.
Early top-pair cross-section measurements at ATLAS / Urbaniec, D (Columbia U.)
Top-quark pairs are expected to be produced copiously at the LHC, even at the lower beam energies and luminosities expected in the first year of running. [...]
ATL-PHYS-PROC-2010-019. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1449.
ATLAS Inner Detector: Commissioning with Cosmics Data / Masetti, L (Bonn U.)
The ATLAS experiment at the CERN Large Hadron Collider (LHC) has started taking data last Autumn with the inauguration of the LHC. [...]
ATL-INDET-PROC-2010-005. - 2009. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1450.
Visualizing and Understanding ATLAS Calorimeters with Atlantis / Nepomuceno, A (Rio de Janeiro Federal U.)
We describe tools that have been developed for the visualization and understanding of the hadronic and electromagnetic calorimeters of the ATLAS experiment with the event visualization program Atlantis. [...]
ATL-SOFT-PROC-2010-001. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1451.
Status of the ATLAS Experiment / Wells, P S (CERN)
The ATLAS experiment is a general purpose detector to observe proton-proton collisions at the Large Hadron Collider. [...]
ATL-GEN-PROC-2010-002. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1452.
Evaporative cooling in ATLAS - present and future / Viehhauser, G (Oxford U.)
The ATLAS Inner Detector cooling system is the largest evaporative cooling system used in High Energy Physics today. [...]
ATL-INDET-PROC-2010-006. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1453.
ATLAS Monte Carlo tunes for MC09
This note describes the ATLAS tunes of underlying event and minimum bias description for the main Monte Carlo generators used in the MC09 production. [...]
ATL-PHYS-PUB-2010-002. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1454.
The ATLAS Liquid Argon Calorimeter at the LHC / Koletsou, I (Annecy, LAPP)
The Liquid Argon (LAr) Calorimeter is a key detector component in the ATLAS experiment at the LHC. [...]
ATL-LARG-PROC-2010-001. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1455.
Diamond Pixel Modules and the ATLAS Beam Conditions Monitor / Dobos, D (CERN) ; Pernegger, H (CERN)
The ATLAS Beam Conditions Monitor’s (BCM) main purpose is to protect the experiments silicon tracker from beam incidents. [...]
ATL-INDET-PROC-2010-007. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1456.
Data Quality from the Detector Control System at the ATLAS Experiment / for the ATLAS Collaboration
At the ATLAS experiment, the Detector Control System (DCS) is used to oversee detector conditions and supervise the running of equipment. [...]
ATL-SOFT-PROC-2010-002. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1457.
Commissioning and Performance of the ATLAS Transition Radiation Tracker with Cosmic Rays and First High Energy Collisions / Wagner, P (U. of Pennsylvania)
The Transition Radiation Tracker is the outermost of the three subsystems in the ATLAS Inner Detector. [...]
ATL-INDET-PROC-2010-008. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1458.
Commissioning of the ATLAS reconstruction software with first data / Tonoyan, A (Bergen U.) ; Costa, M J (Valencia U., IFIC) ; Boyd, J T (CERN)
Looking towards first LHC collisions, the ATLAS detector is being commissioned using all types of physics data available: cosmic rays and events produced during a few days of LHC single beam operations. [...]
ATL-SOFT-PROC-2010-003. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1459.
Commissioning of the ATLAS Silicon Tracker with Cosmic Rays and Beam Data / Morettini, P (INFN, Genova)
This note summarizes the most important results obtained during the preparation of the ATLAS Silicon Tracker for data taking at LHC. [...]
ATL-INDET-PROC-2010-009. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1460.
Top physics with the ATLAS detector at LHC / Pallin, D (Clermont-Ferrand U.)
Studies performed at 14 TeV and 10 TeV centre-of-mass to estimate the potential for Top quark physics of the ATLAS experiment at the LHC are reviewed..
ATL-PHYS-PROC-2010-020. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1461.
ATLAS Discovery Potential of the Standard Model Higgs Boson / Weiser, C (Freiburg U.)
The Standard Model of elementary particles is remarkably succesful in describing experimental data. [...]
ATL-PHYS-PROC-2010-023. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1462.
Expectations at day-1 at the LHC / Behera, P (Iowa U.)
This paper presents the status of Minimum Bias physics analysis with the ATLAS detector. [...]
ATL-PHYS-PROC-2010-024. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1463.
Searches for Supersymmetry in ATLAS / Bruckman de Renstrom, P (Cracow, INP)
The boson-fermion unification offered by the Supersymmetry is capable of providing remedies for various theoretical deficiencies of the experimentally established Standard Model. [...]
ATL-PHYS-PROC-2010-025. - 2010. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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1464.
Optimal Signal Selection for a Highly Segmented Calorimeter / Peralva, B S M (Juiz de Fora U.) ; Cerqueira, A S (Juiz de Fora U.) ; Filho, L M A (Juiz de Fora U.) ; Seixas, J M (Rio de Janeiro Federal U.)
This work presents an extensive study of signal detection against noise for a high-energy calorimeter (energy measurement) in the context of particle collider experiments. [...]
ATL-TILECAL-PROC-2010-002. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1465.
A Receiver System for Detecting Calorimeter Signals Under Low Signal-to-Noise Ratio Conditions / Ciodaro, T (Rio de Janeiro Federal U.)
In the context of high-energy physics collider experiments, calorimetry (energy measurement) plays an important role in identifying particles. [...]
ATL-TILECAL-PROC-2010-003. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1466.
Looking for Technicolor in ATLAS / Helary, Louis (Annecy, LAPP)
Developed since the early 60’s, the Standard Model is a powerful framework describing physics at the subatomic scale. [...]
ATL-PHYS-PROC-2010-026. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1467.
FATRAS - A Novel Fast Track Simulation Engine for the ATLAS Experiment / Fleischmann, S (Bonn U.)
Monte Carlo simulation of the detector response is an essential part of any kind of analysis of contemporary High Energy Physics experimental data. [...]
ATL-INDET-PROC-2010-010. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1468.
ATLAS Level-1 Calorimeter Trigger: Timing Calibration with 2009 LHC Beam Splashes
The ATLAS Level-1 Calorimeter Trigger (L1Calo) identifies high-pT objects and measures the total and missing ET in the Tile and Liquid Argon Calorimeters. [...]
ATL-DAQ-PUB-2010-001. - 2010. - 11 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1469.
Response and Shower Topology of 2 to 180 GeV Pions Measured with the ATLAS Barrel Calorimeter at the CERN Test-beam and Comparison to Monte Carlo Simulations / The ATLAS Collaboration
The response of the ATLAS barrel calorimeter to pions with momenta from $2$ to $180$~GeV~ is studied in a test--beam at the CERN H8 beam line. [...]
ATL-CAL-PUB-2010-001. - 2010. - 92 p.
Original Communication (restricted to ATLAS) - Full text
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1470.
Startup and first physics results with the ATLAS detector at the LHC / Wildauer, A (Valencia U., IFIC)
An overview of the first data taking with the ATLAS detector at CERN is given. [...]
ATL-PHYS-PROC-2010-027. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1471.
The ATLAS discovery reach for SUSY models with early data / Dietrich, Janet (Freiburg U.)
The search for physics beyond the Standard Model (BSM) is one of the most important goals for the general purpose detector ATLAS at the Large Hadron Collider at CERN. [...]
arXiv:1005.2034 ; ATL-PHYS-PROC-2010-028. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Preprint - Full text - Fulltext
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1472.
ATLAS first results Charged-particle multiplicities in pp interactions at sqrt(s) = 900 GeV / Bell, W H (Geneva U.)
The first physics results from $pp$ collisions measured with the ATLAS detector at the Large Hadron Collider (LHC) are presented. [...]
ATL-PHYS-PROC-2010-029. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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1473.
Performance of the ATLAS Resistive Plate Chambers / Cattani, G (INFN, Rome ; Rome U., Tor Vergata)
The ATLAS detector is now installed at CERN's LHC and fully operational. [...]
ATL-MUON-PROC-2010-001. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1474.
ATLAS tracking results from the first collision data-taking period / Salzburger, A (CERN)
he first collision data taking period at the LHC at $\sqrt{s}$ = 900 GeV in November and December 2009 provided stringent tests of the ATLAS track reconstruction. [...]
ATL-PHYS-PROC-2010-030. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1475.
The ATLAS Trigger/DAQ Authorlist, version 4.0 / The ATLAS Collaboration
This is the ATLAS Trigger/DAQ Authorlist, version 4.0, 06 May 2010
ATL-DAQ-PUB-2010-002. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1476.
Heavy Ions studies in ATLAS / Rybar, M (Charles U.)
The ATLAS detector is designed primarily for proton-proton collisions but it will also participate in the Heavy Ion program of the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2010-031. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1477.
Strategy to Search for Single-Top Events using early Data of the ATLAS Detector at the LHC
At the LHC, single top-quark events will be produced at a third of the rate of top-quark pairs. [...]
ATL-PHYS-PUB-2010-003. - 2010. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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1478.
The ATLAS Trigger Monitoring and Operations in proton-proton collisions
With the first proton-proton collisions at $\sqrt{s}=900~\mathrm{GeV}$ in December 2009, the full chain of the ATLAS Trigger and Data Acquisition system could be tested with real conditions for the first time. [...]
ATL-DAQ-PUB-2010-003. - 2010. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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1479.
Prospects for the Measurement of the Top-Quark Mass using the Template Method with early ATLAS Data
The prospects are presented for a top-quark mass, mtop, measurement via the template method using the channel ttbar->lepton+jets based on early ATLAS data. [...]
ATL-PHYS-PUB-2010-004. - 2010. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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1480.
Alignment of the ATLAS Inner Detector / Ahsan, M (Texas U., Dallas) ; Fleischmann, S (Bonn U.)
ATLAS is one of two general purpose detectors at world’s largest particle accelerator Large Hadron Collider (LHC) designed to study proton-proton collisions at the center of mass energy √s = 14 TeV. [...]
ATL-INDET-PROC-2010-011. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1481.
ATLAS Experiment Status and First Results / Arguin, JF (LBL, Berkeley)
A Toroidal LHC ApparatuS (ATLAS) is a multi-purpose experiment that aims to explore the energy frontier of particle physics [...]
ATL-GEN-PROC-2010-004. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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1482.
The ATLAS Trigger Monitoring and Operation in proton-proton collisions / zur Nedden, M (Humboldt U., Berlin) ; Sidoti, A (Humboldt U., Berlin) ; Bold, T (UC, Irvine)
With the first proton-proton collisions at $sqrt{s}=900~mathrm{GeV}$ in December 2009, the full chain of the ATLAS Trigger and Data Acquisition system could be tested under real conditions for the first time. [...]
ATL-DAQ-PROC-2010-006. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1483.
The ATLAS/TileCal Detector Control System / Santos, H (LIP, Lisbon)
The main task of the Tile calorimeter Detector Control System (DCS) is to enable the coherent and safe operation of the calorimeter. [...]
ATL-TILECAL-PROC-2010-004. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1484.
First results on electrons and photons with early collision data at √s = 900 GeV with the ATLAS experiment / Abreu, H (Orsay, LAL)
This note presents the first study of electron and photon candidates at √s = 900 GeV collected by the ATLAS detector at the end of 2009. [...]
ATL-PHYS-PROC-2010-032. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1485.
Network Resiliency Implementation in the ATLAS TDAQ System / Stancu, S N (UC, Irvine ; Bucharest, Polytechnic Inst.) ; Al-Shabibi, A (Cern ; U. Heidelberg, ITP) ; Batraneanu, S M (UC, Irvine ; Bucharest, Polytechnic Inst.) ; Ballestrero, S (Cern ; Johannesburg U.) ; Caramarcu, C (Bucharest, IFIN-HH) ; Martin, B (Cern) ; Savu, D O (Cern) ; Sjoen, R V (U. Oslo ; Cern) ; Valsan, L (Cern ; Bucharest, Polytechnic Inst.)
The ATLAS TDAQ (Trigger and Data Acquisition) system performs the real-time selection of events produced by the detector. [...]
ATL-DAQ-PROC-2010-007. - 2010.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1486.
Electronic Readout of the ATLAS Liquid Argon Calorimeter: Calibration and Performance / Majewski, S (Brookhaven Natl. Lab.)
The Liquid Argon (LAr) calorimeter is a key detector component in the ATLAS experiment at the Large Hadron Collider (LHC) at CERN. [...]
ATL-LARG-PROC-2010-002. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1487.
Prospects for Higgs Boson Searches using the $H\rightarrow WW^{(*)}\rightarrow \ell\nu \ell\nu$ Decay Mode with the ATLAS Detector for 10 TeV
The prospects for Higgs boson searches using the $H\rightarrow WW^{(*)}\rightarrow \ell\nu \ell\nu~(\ell=e,\mu)$ decay mode at ATLAS are presented, including realistic detector effects and a discussion of methods to estimate the backgrounds and systematic errors. [...]
ATL-PHYS-PUB-2010-005. - 2010. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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1488.
Performance of the ATLAS Inner Detector Trigger algorithms in pp collisions at sqrt(s) = 900 GeV / Christidi, I A (University Coll. London)
The ATLAS Inner Detector (ID) trigger algorithms ran online during data taking with proton-proton collisions at the Large Hadron Collider (LHC) in December 2009. [...]
ATL-DAQ-PROC-2010-008. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1489.
Real-time configuration changes of the ATLAS High Level Trigger / Winklmeier, F (CERN) /for the ATLAS collaboration
The ATLAS High Level Trigger (HLT) is a distributed real-time software system that performs the final online selection of events produced during proton-proton collisions at the Large Hadron Collider (LHC). It is designed as a two-stage trigger and event filter running on a farm of commodity PC hardware. [...]
ATL-DAQ-PROC-2010-009.- Geneva : CERN, 2010 - 5 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 17th IEEE NPSS Real Time Conference (Conference Record), Lisbon, Portugal, 24 - 28 May 2010, pp.5750407
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1490.
Commissioning of the ATLAS High Level Muon Trigger with Beam Collisions / Owen, M (Manchester U.)
The ATLAS experiment is a multipurpose experiment at the Large Hadron Collider (LHC) designed to study the interactions of the fundamental particles. [...]
ATL-DAQ-PROC-2010-010. - 2010. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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1491.
Expected Sensitivity in Light Charged Higgs Boson Searches for H+ to tau+nu and H+ to c+sbar with Early LHC Data at the ATLAS Experiment / "ATLAS, Coll"
In many particle physics models beyond the Standard Model, the top quark can decay to a bottom quark and a light charged Higgs boson in the reaction top to bH+. [...]
ATL-PHYS-PUB-2010-006. - 2010. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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1492.
Performance of the ATLAS first-level Trigger with first LHC Data / Lundberg, J (CERN) /for the ATLAS collaboration
ATLAS is one of the two general-purpose detectors at the Large Hadron Collider (LHC). Its trigger system must reduce the anticipated proton collision rate of up to 40 MHz to a recordable event rate of 100-200 Hz. [...]
ATL-DAQ-PROC-2010-011.- Geneva : CERN, 2010 - 5 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 17th IEEE NPSS Real Time Conference (Conference Record), Lisbon, Portugal, 24 - 28 May 2010, pp.5750348
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1493.
Digital Filtering Performance in the ATLAS Level-1 Calorimeter Trigger / Hadley, D R (Birmingham U.)
The ATLAS Level-1 Calorimeter Trigger is a hardware-based system designed to identify high-pT jets, elec- tron/photon and tau candidates, and to measure total and missing ET in the ATLAS Liquid Argon and Tile calorimeters. [...]
ATL-DAQ-PROC-2010-012. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1494.
Associative Memory design for the FastTrack processor (FTK) at ATLAS / Annovi, A (INFN Frascati) ; Beretta, M (INFN Frascati) ; Bossini, E (INFN Frascati ; INFN, Pisa) ; Crescioli, F (INFN, Pisa) ; Dell'Orso, M (INFN, Pisa) ; Giannetti, P (INFN, Pisa) ; Piendibene, M (INFN, Pisa) ; Sacco, I (Pisa, Scuola Normale Superiore) ; Sartori, L (INFN, Ferrara) ; Tripiccione, R (INFN, Ferrara)
We propose a new generation of VLSI processor for pattern recognition based on Associative Memory architecture, optimized for on-line track finding in high-energy physics experiments. [...]
ATL-DAQ-PROC-2010-013. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1495.
Jet kinematic distributions in proton-proton collisions at $\sqrt{s}=$900~GeV with the ATLAS detector
Distributions of kinematic variables of jets produced in soft proton-proton collisions at a centre-of-mass energy sqrt(s) =900 GeV are measured with the ATLAS detector. [...]
ATLAS-CONF-2010-001. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1496.
Reconstruction of jets from tracks in proton-proton collisions at centre-of-mass energy √s = 900 GeV with the ATLAS detector
Basic properties of jets reconstructed from tracks measured in the ATLAS 2009 run at √s = 900 GeV are presented. [...]
ATLAS-CONF-2010-002. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1497.
Tracking studies for b-tagging with 900 GeV collision data with the ATLAS detector
The ability to identify jets containing b-hadrons is important for the high-pT physics program of a general-purpose experiment at the LHC such as ATLAS. [...]
ATLAS-CONF-2010-003. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1498.
Performance of the ATLAS Secondary Vertex b-tagging Algorithm in 900 GeV Collision Data
In December 2009, the ATLAS experiment recorded approximately 400,000 collision events, at a centre-of-mass energy of 900 GeV, with the tracking detectors and the solenoid magnet fully operational. [...]
ATLAS-CONF-2010-004. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1499.
Electron and photon reconstruction and identification in ATLAS: expected performance at high energy and results at 900 GeV
This note presents the first study of electron and photon candidates in the 900 GeV collision data collected by ATLAS at the end of 2009, the collision events analysed corresponding to a total integrated luminosity of approximately 9 μb$^{-1}$. [...]
ATLAS-CONF-2010-005. - 2010. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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1500.
ATLAS prospects for New Physics using neutrino-like signatures / Ferrag, S (Glasgow U.)
Many possible extensions to the Standard Model predict new particles and heavy neutrinos. [...]
ATL-PHYS-PROC-2010-033. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1501.
Performance of the ATLAS electromagnetic calorimeter for $\pi^0\to\gamma\gamma$ and $\eta\to\gamma\gamma$ events
The first collision data at √s=900 GeV have been used to extract the $\pi^0$ and $\eta$ signals in the $\gamma\gamma$ final state. [...]
ATLAS-CONF-2010-006. - 2010. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1502.
Photon Conversions at $\sqrt{s} = 900 \GeV$ measured with the ATLAS Detector
This note presents the first study of converted photons reconstructed with the ATLAS detector in the $\sqrt{s}$ = 900 GeV run in 2009. [...]
ATLAS-CONF-2010-007. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1503.
Performance of the missing transverse energy reconstruction in minimum bias events at $\sqrt{s}$ of 900~GeV and 2.36~TeV with the ATLAS detector
In December 2009, the ATLAS experiment collected more than half a million minimum bias events at center-of-mass energies of 900 GeV and 2.36 TeV. [...]
ATLAS-CONF-2010-008. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1504.
Estimating Track Momentum Resolution in Minimum Bias Events using Simulation and K_s in sqrt(s) = 900 GeV collision data
The understanding of the transverse momentum (pT) resolution of the ATLAS Inner Detector is important for many physics analyses. [...]
ATLAS-CONF-2010-009. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1505.
First look at the JetProb b-tagging algorithm in the 900 GeV collision data with the ATLAS detector
The ability to identify jets containing b-hadrons is important for the high-pT physics program of a general-purpose experiment at the LHC such as ATLAS. [...]
ATLAS-CONF-2010-010. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1506.
Prospects for the measurement of the top-quark mass with early ATLAS data / Cortiana, G (Munich, Max Planck Inst.)
The prospects are presented for a top-quark mass, mtop, measurement in the ttbar -> letpon+jets channel via the template method using early ATLAS data. [...]
ATL-PHYS-PROC-2010-034. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1507.
Search for SUSY at ATLAS / Borjanovic, I (Belgrade, Inst. Phys.)
The search for physics beyond the Standard Model is one of the main goals of the general purpose ATLAS detector at Large Hadron Collider at CERN. [...]
ATL-PHYS-PROC-2010-035. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1508.
ATLAS Forward Detectors and Physics / Soni, Nitesh (Alberta U.)
In this communication I describe the ATLAS forward physics program and the detectors, LUCID, ZDC and ALFA that have been designed to meet this experimental challenge. [...]
arXiv:1006.5426 ; ATL-LUM-PROC-2010-002. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Preprint - Full text
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1509.
Charm and beauty physics at ATLAS / Matsushita, T (Kobe U.)
ATLAS has a rich charmonium and beauty physics programme. [...]
ATL-PHYS-PROC-2010-036. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1510.
The FastTrack Real Time Processor and Its Impact on Muon Isolation, Tau and b-Jet Online Selections at ATLAS / Crescioli, F (INFN, Pisa ; Pisa U.) ; Andreani, A (INFN, Milan ; Milan U.) ; Zhang, J (Argonne) ; Boveia, A (Chicago U.) ; Bevacqua, V (INFN, Pisa ; Pisa U.) ; Cheng, Y (Chicago U.) ; Canelli, F (Fermilab ; Chicago U.) ; Bogdan, M (Chicago U.) ; Dell'Orso, M (INFN, Pisa ; Pisa U.) ; Bossini, E (Frascati) et al.
As the LHC luminosity is ramped up to 31034 cm−2 s−1 and beyond, the high rates, multiplicities, and energies of particles seen by the detectors will pose a unique challenge. [...]
ATL-DAQ-PROC-2010-014. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1511.
ATLAS Online Data Quality Monitoring / Cuenca Almenar, C (Yale U.)
With the delivery of the first proton-proton collisions by the LHC, the ATLAS collaboration had the opportunity to operate the detector under the environment it was designed for. [...]
ATL-DAQ-PROC-2010-015. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1512.
Search for the Higgs boson at the ATLAS Experiment. / Coniavitis, Elias (Uppsala U.)
The search for the Higgs boson is one of the main goals of the ATLAS experiment. [...]
ATL-PHYS-PROC-2010-037. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1513.
QCD Results from ATLAS / Gray, HM (Caltech ; Columbia U.)
ATLAS results of measurements of both soft- and hard-QCD are presented the first data produced by the LHC. [...]
ATL-PHYS-PROC-2010-038. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1514.
Commissioning of the ATLAS High Level Trigger with Proton Collisions at the LHC / Petersen, B A (CERN) /on behalf of the ATLAS Collaboration
ATLAS is one of the two general-purpose detectors at the Large Hadron Collider (LHC). The ATLAS trigger system uses fast reconstruction algorithms to efficiently reject a large rate of background events and still select potentially interesting ones with good efficiency. [...]
ATL-PROC-2010-001.- Geneva : CERN, 2010 - 6 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 17th IEEE NPSS Real Time Conference (Conference Record), Lisbon, Portugal, 24 - 28 May 2010, pp.5750350
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1515.
Online Measurement of LHC Beam Parameters with the ATLAS High Level Trigger / Miller, D W (SLAC) /for the ATLAS collaboration
We present the results of the first online measurement in ATLAS of the LHC beam position and size at sqrt(s)=900 GeV in 2009 and sqrt(s)=7 TeV in spring 2010. A dedicated algorithm, implemented in the ATLAS level 2 trigger, takes fully reconstructed tracks in the inner detector as input to a fast vertex fitter in order to reconstruct vertices on an event-by-event basis. [...]
ATL-DAQ-PROC-2010-016.- Geneva : CERN, 2010 - 5 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 17th IEEE NPSS Real Time Conference (Conference Record), Lisbon, Portugal, 24 - 28 May 2010, pp.5750367
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1516.
Electron reconstruction and identi cation in ATLAS. Implication for the Higgs into four electron nal state. / Dudziak, F (Orsay, LAL)
The Higgs boson search is one of the primary issues for the LHC and the ATLAS experiment. [...]
ATL-PHYS-PROC-2010-039. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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1517.
Tracking Results and Comparison to Monte Carlo simulation at $\sqrt{s} = 900$~GeV
This document summarises basic track reconstruction performance using the $\sqrt{s} = 900$~GeV data. [...]
ATLAS-CONF-2010-011. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1518.
ATLAS Forward Detectors / Brandt, A G (Texas U., Arlington)
A brief description of the ATLAS forward detectors is given..
ATL-LUM-PROC-2010-003. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1519.
Measurement of top properties in ATLAS / Veloso, F (Coimbra U. ; LIP, Coimbra)
The top quark may play a special role in the Standard Model of particle physics. [...]
ATL-PHYS-PROC-2010-040. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1520.
Commissioning of the ATLAS Tau-Lepton Reconstruction Using 900 GeV Minimum-Bias Data
As part of the preparations for the commissioning of the ATLAS tau reconstruction and identification algorithms, a set of studies is presented, based on data taken with a minimum bias trigger at a center-of-mass energy of 900 GeV during the initial running of the LHC in December 2009. [...]
ATLAS-CONF-2010-012. - 2010.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1521.
Atlas Muon Trigger Performance on cosmics and p-p collisions at √s = 900 GeV
ATLAS has a three level muon trigger, whose performance is assessed in this note using 2009 p-p collisions data at sqrt(s) = 900 GeV and cosmic ray muons collected in Fall 2009 and later. [...]
ATLAS-CONF-2010-013. - 2010. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1522.
Performance of the ATLAS Inner Detector Trigger algorithms in p-p collisions at sqrt{s}=900 GeV
The ATLAS Inner Detector trigger software ran online during data taking in December 2009. [...]
ATLAS-CONF-2010-014. - 2010. - 12 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1523.
Identification of muon candidates in pp collisions at sqrt(s)=900 GeV with the ATLAS detector
This paper presents the first reconstructed muon candidates observed with the ATLAS detector in pp collisions at LHC. [...]
ATLAS-CONF-2010-015. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1524.
Inputs to Jet Reconstruction and Calibration with the ATLAS Detector Using Proton-Proton Collisions at $\sqrt{s}=900$ GeV
Preliminary studies of jet reconstruction and calibration in the ATLAS detector using a sample of proton-proton collisions at a center-of-mass energy of $\sqrt{s}=900$ GeV are presented. [...]
ATLAS-CONF-2010-016. - 2010. - 17 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1525.
ATLAS sensitivity prospects to W′ and Z′ in the decay channels W′->lnu and Z′->l+l- at sqrt(s)=7 TeV
The ATLAS sensitivities to a high-mass dilepton resonance, and to a lepton-neutrino resonance,are evaluated using full detector simulation. [...]
ATL-PHYS-PUB-2010-007. - 2010. - 18 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1526.
Response of the ATLAS calorimeters to single isolated hadrons produced in proton proton collisions at a center of mass energy of sqrt{s} = 900 GeV
Data produced in soft proton-proton collisions at a center-of-mass energy of sqrt{s} = 900 GeV collected by the ATLAS experiment at CERN are used to select iso- lated tracks and to probe the calorimeter response associated to them. [...]
ATLAS-CONF-2010-017. - 2010. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1527.
Properties and internal structure of jets produced in soft proton-proton collisions at √s = 900 GeV
Preliminary results are presented on the study of charged tracks in jets and the internal jet structure using a sample of proton-proton collisions at a center-of-mass energy of √s = 900 GeV collected by the ATLAS detector. [...]
ATLAS-CONF-2010-018. - 2010. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1528.
Study of the Material Budget in the ATLAS Inner Detector with K0S decays in collision data at sqrt(s)=900 GeV
The precise knowledge of material in the ATLAS Inner Detector is vital for understanding tracking performance and thus important for many physics analyses. [...]
ATLAS-CONF-2010-019. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1529.
Measurement of the missing transverse momentum based on tracks in proton-proton collisions at sqrt(s) = 900 GeV centre-of-mass energy with the ATLAS detector
This note presents the performances of the Missing Transverse Energy based on Tracks in 900 GeV proton-proton collisions data collected by the ATLAS detector during the end of the 2009 LHC run. [...]
ATLAS-CONF-2010-020. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1530.
Performance of the ATLAS tau trigger in p-p collisions at \sqrt{s}=900 GeV
This note describes the analysis of the tau trigger related variables, using data collected with the ATLAS detector at $\sqrt{s} = 900$ GeV. [...]
ATLAS-CONF-2010-021. - 2010. - 11 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1531.
Performance of the Electron and Photon Trigger in p-p Collisions at a centre of mass energy of 900 GeV
This note summarises the performance of the electron and photon triggers which were run online during the ATLAS data taking period at the end of 2009. [...]
ATLAS-CONF-2010-022. - 2010. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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1532.
Phi-meson production in 900 GeV collision data
In this note, the observation of the phi(1020) meson in the 900 GeV collision data is discussed and presented. [...]
ATLAS-CONF-2010-023. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1533.
Charged particle multiplicities in pp interactions at sqrt(s) = 7 TeV measured with the ATLAS detector at the LHC
The first measurements from proton-proton collisions at sqrt(s)=7 TeV recorded with the ATLAS detector at the LHC are presented. [...]
ATLAS-CONF-2010-024. - 2010. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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1534.
Performance of the Minimum Bias Trigger in p-p Collisions at Sqrt(s) = 900 GeV
This note presents the performance of the Minimum Bias Trigger system that is used in the 900 GeV data taking. [...]
ATLAS-CONF-2010-025. - 2010.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1535.
The ATLAS missing Et trigger performance with initial LHC runs at sqrt(s) = 900 GeV
This paper presents an early study of the performance of the ATLAS trigger based on the vector (MET) and scalar (SumET) sums of the measured transverse energies, obtained with data collected during the 2009 LHC runs, with proton-proton collisions at sqrt(s) = 900 GeV..
ATLAS-CONF-2010-026. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1536.
Characterization of Interaction-Point Beam Parameters Using the pp Event-Vertex Distribution Reconstructed in the ATLAS Detector at the LHC
We present results from the measurement of the three-dimensional luminosity distribution with the ATLAS Inner Detector during early running. [...]
ATLAS-CONF-2010-027. - 2010. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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1537.
Performance of the ATLAS jet trigger with pp collisions at sqrt(s)=900GeV
In this article we present performance results of the ATLAS jet trigger system during the 2009 LHC data taking period with p-p collisions at a center of mass energy of sqrt(s)=900GeV..
ATLAS-CONF-2010-028. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1538.
Track-based underlying event measurements in pp collisions at sqrt{s} = 900 GeV and 7 TeV with the ATLAS Detector at the LHC
The first underlying event measurements with the ATLAS detector at the LHC are presented. [...]
ATLAS-CONF-2010-029. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1539.
ATLAS High Level Calorimeter Trigger Software Performance for First LHC Collision Events
The present note describes the results obtained with the ATLAS calorimeter High Level Trigger during the 2009 collisions period. [...]
ATLAS-CONF-2010-030. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1540.
Charged particle multiplicities in p p interactions at $\sqrt{s}$ = 0.9 and 7 TeV in a diffractive limited phase-space measured with the ATLAS detector at the LHC and new PYTHIA6 tune
This note is an update to the result presented in ATLAS-CONF-2010-024, where the phase-space is restricted to ≥ 6 charged particles in order to limit the contribution due to diffraction processes. [...]
ATLAS-CONF-2010-031. - 2010. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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1541.
Measurement of Xi,Omega baryons and K*(890) meson production at sqrt(s)=7 TeV with ATLAS detector at LHC
We present a study of Xi,Omega baryons and K*(890 meson productions at sqrt(s)=7 TeV proton-proton collisions using minimum bias data collected by ATLAS experiment. [...]
ATLAS-CONF-2010-032. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1542.
Kinematic Distributions of K0s and Lambda decays in collision data at sqrt(s) = 7 TeV
In this note, we present kinematic distributions of K0s and Lambda decays reconstructed with the ATLAS Inner Detector using data from sqrt(s) = 7 TeV collisions at the LHC. [...]
ATLAS-CONF-2010-033. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1543.
D^(*) mesons reconstruction in pp collisions at sqrt{s}= 7 TeV
A study of D*+-, D+- and Ds+- reconstruction with the ATLAS detector in pp collisions at sqrt{s}= 7 TeV is presented. [...]
ATLAS-CONF-2010-034. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1544.
Preliminary studies for the measurement of the inclusive muon spectrum in pp collisions at √s = 7 TeV with the ATLAS detector
We report a first measurement of the inclusive muon spectrum in pp collisions at √s=7 TeV with the ATLAS detector at the LHC collider. [...]
ATLAS-CONF-2010-035. - 2010. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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1545.
Muon Performance in Minimum Bias pp Collision Data at √s = 7 TeV with ATLAS
Muonic final states provide clean signatures for many physics processes at the LHC. [...]
ATLAS-CONF-2010-036. - 2010. - 11 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1546.
Probing the material in front of the ATLAS electromagnetic calorimeter with energy flow from sqrt(s)=7 TeV minimum bias events
In early April 2010, ATLAS collected several million of minimum bias events at a center of mass energy of 7 TeV. [...]
ATLAS-CONF-2010-037. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1547.
Data-Quality Requirements and Event Cleaning for Jets and Missing Transverse Energy Reconstruction with the ATLAS Detector in Proton-Proton Collisions at a Center-of-Mass Energy of $sqrt{s}=7$ TeV
The criteria for the selection of jets and missing transverse energy reconstructed with the ATLAS detector, in proton-proton collisions at a center-of-mass energy of $sqrt{s}=7$~TeV are described. [...]
ATLAS-CONF-2010-038. - 2010. - 13 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1548.
Performance of the missing transverse energy reconstruction in proton-proton collisions at center-of-mass energy of $\sqrt{s}=7$ TeV with the ATLAS detector
In April 2010, the ATLAS experiment collected more than 34M collision events at a center-of-mass energy of 7 TeV. [...]
ATLAS-CONF-2010-039. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1549.
Tracking studies for b-tagging with 7 TeV collision data with the ATLAS detector
The ability to identify jets containing $b$-hadrons is important for the high-$pt$ physics program of a general-purpose experiment at the LHC such as ATLAS. [...]
ATLAS-CONF-2010-040. - 2010. - 17 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1550.
Impact parameter-based b-tagging algorithms in the 7 TeV collision data with the ATLAS detector: the TrackCounting and JetProb algorithms
The ability to identify jets containing b-hadrons is important for the high-pT physics program of a general-purpose experiment at the LHC such as ATLAS. [...]
ATLAS-CONF-2010-041. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
1551.
Performance of the ATLAS Secondary Vertex b-tagging Algorithm in 7 TeV Collision Data
This note describes performance studies of a secondary vertex $b$-tagging algorithm using collision data at $\sqrt{s}=7$~TeV corresponding to an integrated luminosity of about 0.4~nb$^{-1}$. [...]
ATLAS-CONF-2010-042. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1552.
Observation of Energetic Jets in $pp$ Collisions at $sqrt{s}=7~$TeV using the ATLAS Experiment at the LHC
We report on the observation of energetic jets of particles in the final state in proton-proton collisions at sqrt(s)=7 TeV, using the ATLAS detector and based on 1 nb-1 of total LHC delivered luminosity [...]
ATLAS-CONF-2010-043. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1553.
Observation of W->lnu and Z->ll production in proton-proton collisions at root{s}=7 TeV with the ATLAS detector
This note details an observation by the ATLAS experiment of 57 $\ensuremath{W}\rightarrow \ell \nu$ candidates and three $\ensuremath{Z} \rightarrow \ell \ell$ candidates, where $\ell=e,\mu$, produced from the $\sqrt{s}=7$~TeV proton-proton collisions of the LHC. [...]
ATLAS-CONF-2010-044. - 2010. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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1554.
First observation of the J/ψ → μ+μ− resonance in ATLAS pp collisions at √s = 7 TeV
The first J/ψ → μ+μ− observation using the ATLAS detector, in 7 TeV proton-proton collisions at the LHC, is reported for an integrated luminosity of approximately 6.4 nb−1. [...]
ATLAS-CONF-2010-045. - 2010. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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1555.
W/Z Production at ATLAS / Borroni, S (INFN, Rome ; Rome U.)
The W and Z bosons are produced at LHC with high cross-sections and are the most copious sources of high-pt leptons. [...]
ATL-PHYS-PROC-2010-041. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1556.
ATLAS IBL Pixel Upgrade / La Rosa, A. (CERN)
The upgrade for ATLAS detector will undergo different phase towards super-LHC [...]
arXiv:1104.1980. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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1557.
ATLAS Search Strategy for Single-Top Production / Husemann, U (DESY)
The search strategy of the ATLAS experiment for single top quark production during the first two years of data-taking at the LHC is presented. [...]
ATL-PHYS-PROC-2010-042. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1558.
Event streaming in the online system / Klous, S (NIKHEF, Amsterdam)
The Large Hadron Collider (LHC), currently in operation at CERN in Geneva, is a circular 27-kilometer-circumference machine, accelerating bunches of protons in opposite directions. [...]
ATL-DAQ-PROC-2010-017. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1559.
Prospects for top anti-top resonance searches using early ATLAS data.
Searches for signatures of new physics in top anti-top events at the LHC require efficient reconstruction of top quarks with a broad range of transverse momenta. [...]
ATL-PHYS-PUB-2010-008. - 2010. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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1560.
ATLAS Sensitivity Prospects for Higgs Boson Production at the LHC Running at 7 TeV
Projections for the ATLAS sensitivity in selected channels to the Standard Model (SM) and Minimal Super-Symmetric Standard Model (MSSM) Higgs boson(s) from the LHC running at 7 TeV are reported. [...]
ATL-PHYS-PUB-2010-009. - 2010. - 37 p.
Original Communication (restricted to ATLAS) - Full text
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1561.
Prospects for Supersymmetry discovery based on inclusive searches at a 7 TeV centre-of-mass energy with the ATLAS detector
This note presents an evaluation of the discovery potential of Supersymmetry for channels with jets, leptons and missing transverse energy with the ATLAS detector. [...]
ATL-PHYS-PUB-2010-010. - 2010. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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1562.
Discovery Potential of A/H->ττ->lh in ATLAS
This note describes a study of the discovery potential for the supersymmetric Higgs bosons $H/A$ in proton-proton collisions at a centre-of-mass energy of 14 TeV in final states with $\tau$-lepton pairs with the ATLAS detector at the LHC. [...]
ATL-PHYS-PUB-2010-011. - 2010. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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1563.
Expected event distributions for early top pair candidates in ATLAS at sqrt(s)=7 TeV
This note documents the expected distributions of key variables for events passing an early ttbar candidate event selection which will be applied to ATLAS pp collision data at sqrt(s)=7 TeV. [...]
ATL-PHYS-PUB-2010-012. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1564.
Top quark cross-section measurements with the early ATLAS data / Saleem, M (Oklahoma U.)
We present a study of the prospects for measuring the $t\bar{t}$ production cross-section with the ATLAS detector at the CERN LHC. [...]
ATL-PHYS-PROC-2010-043. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1565.
Performance of the Missing Transverse Energy Reconstruction in the first ATLAS Data at 7 TeV / Yurkewicz, A (SUNY, Stony Brook)
In April 2010, the ATLAS experiment collected over 43M collision events at a center-of-mass energy of 7 TeV. [...]
ATL-PHYS-PROC-2010-044. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1566.
Top rediscovery at ATLAS and CMS. / Donini, J (LPSC, Grenoble)
We describe the plans and strategies of the ATLAS and CMS collaborations to measure the top-antitop cross section using early LHC data, assuming center-of-mass proton-proton collisions at 10 TeV. [...]
ATL-PHYS-PROC-2010-045. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1567.
Design and Performance of the Detector Control System of the ATLAS Resistive-Plate-Chamber Muon Spectrometer / Polini, A (INFN, Bologna)
Muon detection plays a key role at the Large Hadron Collider. [...]
ATL-MUON-PROC-2010-002. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1568.
The short term strategy and plan for tbar and single-top at the LHC / Ferrari, P (NIKHEF, Amsterdam ; Amsterdam U.) ; Hegner, B (Cern)
This paper is intended to give an overview of first tbar and single-top physics results that the CMS and ATLAS Collaborations are going to provide with the early data. [...]
ATL-PHYS-PROC-2010-046. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1569.
B-tagging, leptons and missing energy in ATLAS after first data / van Vulpen, I (NIKHEF, Amsterdam)
The start-up of the Large Hadron Collider at CERN marks a new era in particle physics. [...]
ATL-PHYS-PROC-2010-047. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1570.
Charged particle multiplicities in pp interactions for track pT > 100 MeV at sqrt{s} = 0.9 and 7 TeV measured with the ATLAS detector at the LHC
New measurements are presented from proton-proton collisions at centre-of-mass energies of sqrt(s)=0.9 and 7 TeV recorded with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2010-046. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1571.
Charged particle multiplicities in pp interactions at \sqrt{s} = 2.36$ TeV measured with the ATLAS detector at the LHC
In December 2009 data at the centre-of-mass energy of sqrt(s) = 2.36 TeV were recorded with the ATLAS detector. [...]
ATLAS-CONF-2010-047. - 2010. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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1572.
Studies of Diffractive Enhanced Minimum Bias Events in ATLAS
While charged particle multiplicities in non-diffractive events have been studied in great detail both at the Tevatron and the LHC, there is comparatively little information about the diffractive component of the inelastic cross section. [...]
ATLAS-CONF-2010-048. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1573.
Measurement of differential cross section and fragmentation of jets from tracks in proton-proton collisions at center-of-mass energy $\sqrt{s}=7$ TeV with the ATLAS detector
Jets are identified and their properties studied using tracks measured by the ATLAS Inner Detector. [...]
ATLAS-CONF-2010-049. - 2010. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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1574.
Measurement of jet production in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS Detector
Jet cross sections have been measured with the ATLAS detector for the first time in proton-proton collisions at centre-of-mass energy of 7 TeV, using an integrated luminosity of 17 nb-1. [...]
ATLAS-CONF-2010-050. - 2010. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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1575.
Measurement of the W->lnu production cross-section and observation of Z -> ll production in proton-proton collisions at root{s}=7 TeV with the ATLAS detector
This note describes the first measurement of the W->lnu production cross section and an observation of Z->ll production, where l = e,μ, by the ATLAS experiment. [...]
ATLAS-CONF-2010-051. - 2010. - 31 p.
Original Communication (restricted to ATLAS) - Full text
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1576.
ATLAS Calorimeter Response to Single Isolated Hadrons and Estimation of the Calorimeter Jet Scale Uncertainty
The ATLAS calorimeter response to single isolated hadrons is measured using an integrated luminosity of approximately 300 µb−1 of proton-proton collisions at a center-of-mass energy of $sqrt{s} = 7$ TeV collected during April 2010 by the ATLAS experiment. [...]
ATLAS-CONF-2010-052. - 2010. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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1577.
Properties of Jets and Inputs to Jet Reconstruction and Calibration with the ATLAS Detector Using Proton-Proton Collisions at $\sqrt{s}=7$ TeV
Preliminary results are presented on the properties and calibration of jets in the ATLAS detector at the LHC using a sample of proton-proton collisions at a center-of-mass energy of $\sqrt{s}=7$ TeV. [...]
ATLAS-CONF-2010-053. - 2010. - 32 p.
Original Communication (restricted to ATLAS) - Full text
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1578.
Jet energy resolution and selection efficiency relative to track jets from in-situ techniques with the ATLAS Detector Using Proton-Proton Collisions at a Center of Mass Energy $sqrt{s}$ = 7 TeV
A first in-situ measurement of the jet energy resolution and selection efficiency relative to track jets using a sample of proton-proton collisions at a center-of-mass energy of √s = 7 TeV is presented. [...]
ATLAS-CONF-2010-054. - 2010. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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1579.
In-situ pseudo-rapidity inter-calibration to evaluate jet energy scale uncertainty and calorimeter performance in the forward region
The response of the ATLAS calorimeters to jets is studied by balancing the transverse momenta of dijets in pp collisions at sqrt(s)=7 TeV using 17nb-1 of integrated luminosity. [...]
ATLAS-CONF-2010-055. - 2010. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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1580.
Jet energy scale and its systematic uncertainty for jets produced in proton-proton collisions at sqrt(s) = 7 TeV and measured with the ATLAS detector
The first determination of the jet energy scale (JES) and the evaluation of its systematic uncertainty for inclusive jets measured in the ATLAS detector from proton-proton collisions at sqrt(s) = 7 TeV are described. [...]
ATLAS-CONF-2010-056. - 2010. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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1581.
Performance of the Missing Transverse Energy Reconstruction and Calibration in Proton-Proton Collisions at a Center-of-Mass Energy of 7 TeV with the ATLAS Detector
In April and May 2010, the ATLAS experiment collected a large number of proton-proton collision events at a center-of-mass energy of 7 TeV. [...]
ATLAS-CONF-2010-057. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1582.
Mapping the material in the ATLAS Inner Detector using secondary hadronic interactions in 7 TeV collisions
This note describes an analysis to reconstruct vertices due to secondary hadronic interactions of particles, produced in the primary pp collision, with material in the ATLAS Inner Detector. [...]
ATLAS-CONF-2010-058. - 2010. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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1583.
Reconstruction of hadronic tau candidates in QCD events at ATLAS with 7 TeV proton-proton collisions
The first LHC collisions at a centre-of-mass energy of sqrt(s)=7 TeV recorded with the ATLAS detector are used to study the reconstruction and identification algorithms for hadronic $\tau$ decays. [...]
ATLAS-CONF-2010-059. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1584.
Luminosity Determination Using the ATLAS Detector
We present the algorithms and results of the measurement of the luminosity in the ATLAS experiment during the first LHC run at energies of $\sqrt s = 900$ GeV and $\sqrt s = 7$ TeV. [...]
ATLAS-CONF-2010-060. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1585.
Properties of tracks in jets observed in proton-proton collisions at $\sqrt{s}=7$ TeV in the ATLAS detector
The properties of tracks inside jets in proton-proton collisions at $\sqrt{s}$=7 TeV are presented. [...]
ATLAS-CONF-2010-061. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1586.
A first measurement of the differential cross section for the $J/\psi\to\mu\mu$ resonance and the non-prompt to prompt $J/\psi$ cross-section ratio with pp collisions at $\sqrt{s}$=7 TeV in ATLAS
The inclusive production of the $J/\psi$ meson in its dimuon decay mode is studied in proton-proton collisions at $\sqrt{s}$=7 TeV with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2010-062. - 2010. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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1587.
Search for top pair candidate events in ATLAS at sqrt(s)=7 TeV
A search is performed for events consistent with top quark pair production in 280 nb^-1 of ATLAS pp collision data taken at sqrt(s)=7 TeV. [...]
ATLAS-CONF-2010-063. - 2010. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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1588.
Muon Reconstruction Performance
The performance of the ATLAS muon reconstruction and identification is studied with 17 nb−1 of LHC p-p collision data at $\sqrt{s}$=7 TeV collected with muon triggers. [...]
ATLAS-CONF-2010-064. - 2010. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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1589.
Early supersymmetry searches in channels with jets and missing transverse momentum with the ATLAS detector
This note describes a first set of measurements of supersymmetry-sensitive variables in the final states with jets, missing transverse momentum and no leptons from the $\sqrt{s}$ = 7 TeV proton-proton collisions at the LHC. [...]
ATLAS-CONF-2010-065. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1590.
Early supersymmetry searches with jets, missing transverse momentum and one or more leptons with the ATLAS Detector
This note describes a first set of measurements of supersymmetry-sensitive variables in the final states with jets, missing transverse momentum and leptons using the $\sqrt{s}=7$ TeV proton-proton collisions at the LHC. [...]
ATLAS-CONF-2010-066. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1591.
Alignment Performance of the ATLAS Inner Detector Tracking System in 7 TeV proton-proton collisions at the LHC
The performance of the ATLAS Inner Detector tracking system alignment has been studied using the 7 TeV centre-of-mass energy LHC proton-proton collisions. [...]
ATLAS-CONF-2010-067. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1592.
Performance of the Minimum Bias Trigger in p-p Collisions at Sqrt(S) = 7 TeV
This note presents the performance of the ATLAS minimum bias trigger in proton-proton collisions at 7 TeV. [...]
ATLAS-CONF-2010-068. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1593.
Performance of primary vertex reconstruction in proton-proton collisions at $\sqrt{s}=$7 TeV in the ATLAS experiment
Performance results of the primary vertex reconstruction of the ATLAS experiment in proton-proton collisions at a centre-of-mass energy of 7 TeV are presented. [...]
ATLAS-CONF-2010-069. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1594.
Tracking Studies for $b$-tagging with 7 TeV Collision Data with the ATLAS Detector
The ability to identify jets containing b-hadrons is important for the physics program of ATLAS. [...]
ATLAS-CONF-2010-070. - 2010. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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1595.
ATLAS Online Data Quality Monitoring / Cuenca Almenar, C (Yale U.) ; Corso-Radu, A (UCLA) ; Kolos, S (UCLA) ; Slagle, K (UCLA) ; Taffard, A (UCLA) ; Hadavand, H (Southern Methodist U.) ; Ilchenko, Y (Southern Methodist U.)
Every minute of an ATLAS data taking session, the monitoring framework serves several thousands of physics events to the monitoring data analysis applications and handles millions of histogram updates coming from many di erent applications. [...]
ATL-DAQ-PROC-2010-018. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1596.
Commissioning of the ATLAS Pixel Detector and operational experience with first data / Montesano, S (INFN, Milan ; CERN)
The Pixel Detector is the innermost component of the ATLAS tracking system. [...]
ATL-INDET-PROC-2010-013. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1597.
Background studies to searches for long-lived stopped particles decaying out-of-time with LHC collisions
R-hadrons are massive, long-lived particles predicted in several Supersymmetry scenarios. [...]
ATLAS-CONF-2010-071. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1598.
Performance of the ATLAS Silicon Pattern Recognition Algorithm in Data and Simulation at $\sqrt{s} = 7$ TeV
We study the performance of the silicon pattern recognition algorithms on Monte Carlo simulation and data at $\sqrt{s} = 7$ TeV at different stages of track reconstruction. [...]
ATLAS-CONF-2010-072. - 2010. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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1599.
Observation of inclusive electrons in the ATLAS experiment at $\sqrt{s} = 7$ TeV.
This note presents the first observation of inclusive electrons in the collision data collected by the ATLAS experiment at $sqrt{s} =$ 7 TeV, corresponding to a total integrated luminosity of 13.8$\pm$1.5 nb$^{-1}$. [...]
ATLAS-CONF-2010-073. - 2010. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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1600.
High-pT dijet angular distributions in pp interactions at $\sqrt{s}=$7 TeV measured with the ATLAS detector at the LHC
Dijet angular distributions from the first proton-proton collisions at center-of-mass energy $\sqrt{s}=$7 TeV have been measured with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2010-074. - 2010. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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1601.
Extraction of the prompt muon component in inclusive muons produced at $\sqrt{s}$ = 7 TeV
We present a measurement of the prompt muon component in collision data collected by the ATLAS experiment at $\sqrt{s}=7$ TeV. [...]
ATLAS-CONF-2010-075. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1602.
Measurement of the Z to ll production cross section in proton-proton collisions at sqrt{s}=7 TeV with the ATLAS detector
This note describes the first measurement of the Z$\to\ell\ell$ production cross section, where $\ell$ = e, μ, by the ATLAS experiment. [...]
ATLAS-CONF-2010-076. - 2010. - 1 p.
Original Communication (restricted to ATLAS) - Full text
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1603.
Evidence for prompt photon production in p p collisions at √s = 7 TeV with the ATLAS detector
Photon identification is important for many physics signatures at the LHC. [...]
ATLAS-CONF-2010-077. - 2010. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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1604.
J/ψ Performance of the ATLAS Inner Detector
A performance study of J/ψ → μ+μ− decays is presented from 7 TeV proton-proton collisions using the ATLAS detector at the LHC with an integrated luminosity of 78 nb−1. [...]
ATLAS-CONF-2010-078. - 2010. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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1605.
Challenges in New Physics searches in top-like events at the LHC / Lessard, J-R (Victoria U.) ; Steggemann, J (RWTH Aachen University)
These proceedings follow from the presentation ``Challenges in New Physics searches in top-like events at the LHC" given on the 4th of June 2010 at the 3rd International Workshop on Top Quark Physics held in Bruges, Belgium. [...]
ATL-PHYS-PROC-2010-048. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1606.
First measurement of jets and missing transverse energy with the ATLAS calorimeter at $\sqrt{s}=900$ GeV and $\sqrt{s}=7$ TeV / Miller, D W (SLAC ; Stanford U.)
In December 2009, ATLAS recorded the first proton-proton collisions delivered by the LHC at a center-of-mass energy of sqsnineh, and at sqsseven beginning in March 2010. [...]
ATL-PHYS-PROC-2010-049. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1607.
Performance of the ATLAS Inner Detector Trigger Algorithms in p-p collisions at sqrt{s}=900 GeV and sqrt{s}=7 TeV / Ferretto, A (DESY)
The ATLAS Inner Detector trigger algorithms were running online during data taking with proton-proton collisions at the Large Hadron Collider (LHC) in December 2009 and spring 2010. [...]
ATL-DAQ-PROC-2010-019. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1608.
Commissioning of the ATLAS Tile calorimeter with Single Beam and First collisions / Saraiva, J G (LIP, Lisbon)
The ATLAS hadronic barrel calorimeter was tested using dedicated calibration systems, cosmic ray muons and single beam data prior to the start of collisions. [...]
ATL-TILECAL-PROC-2010-005. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1609.
Calibration and signal reconstruction in the ATLAS Tile Hadronic calorimeter / Febbraro, R (Clermont-Ferrand U.)
Tilecal is the central hadronic calorimeter of the ATLAS detector which is one of the four experiment installed at the Large Hadron Collider (LHC) collider at CERN. [...]
ATL-TILECAL-PROC-2010-006. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1610.
Underlying event studies in inelastic pp collision events with the ATLAS detector / Warsinsky, M (Freiburg U.)
The first measurement of the charged particle flow in inelastic pp collision events with the ATLAS detector is described. [...]
ATL-PHYS-PROC-2010-050. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1611.
LHC State of the Art and News / Straessner, A (Dresden, Tech. U.)
The Large Hadron Collider (LHC) and the four LHC Detectors, ATLAS, CMS, LHCb, and ALICE, started regular operation in November 2009. [...]
ATL-GEN-PROC-2010-005. - 2010. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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1612.
ATLAS Inner Detector material studies / Tackmann, Kerstin (CERN)
Proceedings for PLHC2010 --- A good understanding of the material budget of the ATLAS Inner Detector is crucial for physics analyses at ATLAS. [...]
ATL-PHYS-PROC-2010-051. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1613.
b and c physics with early ATLAS data / Amram, N (Tel Aviv U. ; Cern)
Studies of the first J/psi ->mu+mu- and D*+/-, D+/-, Ds+/- observations using the ATLAS detector, in 7 TeV proton-proton collisions at the LHC, is reported
ATL-PHYS-PROC-2010-052. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1614.
Alignment of the ATLAS Inner Detector tracking system / Loddenkoetter, T (Bonn U.)
The Large Hadron Collider (LHC) at CERN is the world's largest particle accelerator. [...]
ATL-INDET-PROC-2010-014. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1615.
Commissioning of the calorimetry in the ATLAS tau trigger system / Sfyrla, Anna (CERN)
Calorimeters are fundamental in the three levels of the ATLAS tau trigger system. [...]
ATL-DAQ-PROC-2010-020. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1616.
Tile Calorimeter at work in the collision era / Zenis, T (Comenius U.)
http://atlas.web.cern.ch/Atlas/SUB_DETECTORS/TILE/tileref/conferences/pLHC_abs.pdf
ATL-TILECAL-PROC-2010-007. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1617.
Reconstruction and selection of physics objects in the ATLAS High Level trigger / Mackeprang, R (Bohr Inst.)
We give an overview of the performance of the ATLAS trigger selections based on extensive online running during LHC collisions and describe the progress towards fully commissioning the individual triggers. [...]
ATL-DAQ-PROC-2010-021. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1618.
ATLAS High-Level Calorimeter Trigger Algorithms Performance with First LHC pp Collisions / Jez, P (Bohr Inst.)
The proceedings describe the performance of the calorimeter HLT during the period of ATLAS early operation with 900 GeV and low-intensity 7 TeV collisions. [...]
ATL-DAQ-PROC-2010-022. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1619.
Charged particle multiplicities in inelastic pp interactions with ATLAS and the ATLAS Minimum Bias Tune 1 / Brandt, G (DESY)
Measurements of the charged particle multiplicity produced in proton-proton collisions at the LHC at centre-of-mass energies $sqrt{s}=0.9$~TeV and $7$~TeV recorded with the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2010-053. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1620.
Alignment of the ATLAS Inner Detector Tracking System / Hsu, S-C (LBL, Berkeley)
The ATLAS Experiment is equipped with a charge particle tracking system built on three subdetectors: silicon pixels, silicon strips and straw tubes, composing the ATLAS Inner Detector (ID) in a 2 Tesla magnetic field. [...]
ATL-INDET-PROC-2010-015. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1621.
Commissioning and performance of the ATLAS trigger with proton collisions at the LHC / Grabowska-Bold, I (UC, Irvine ; AGH-UST, Cracow)
The ATLAS trigger has been used very successfully to collect cosmic ray and single-beam events, and collision data during 2009-2010 LHC running at centre-of-mass energies of 900 GeV and 7 TeV. [...]
ATL-DAQ-PROC-2010-023. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1622.
ATLAS Tracker Upgrade: Silicon Strip Detectors for the sLHC / Wiik, Liv (Freiburg U.)
After the successful start of the Large Hadron Collider (LHC) in November 2009 plans for a luminosity upgrade, called super-LHC (sLHC), are already heavily advancing. [...]
ATL-INDET-PROC-2010-016. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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1623.
Highlights from ATLAS / Wengler, T (Manchester U.)
ATLAS has been taking data very efficiently since LHC collisions started, first at the injection energy of 450~GeV/beam and later at 1.18~TeV/beam in 2009, then at 3.5~TeV/beam in 2010. [...]
ATL-GEN-PROC-2010-006. - 2010. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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1624.
Recent performance results with the ATLAS Muon Spectrometer / Zevi Della Porta, G (Harvard U.)
Recent performance results from cosmics and 7 TeV collisions are summarized..
ATL-MUON-PROC-2010-003. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1625.
Performance of the ATLAS missing ET trigger with first sqrt(s) = 7 TeV data / Beauchemin, P H (Oxford U.)
We present an early study of the performance of the ATLAS trigger based on the vector (MET) and scalar (SumET) sums of the measured transverse energies, obtained with data collected during the first 2010 LHC runs, with proton-proton collisions at $sqrt{s}=7$ TeV. [...]
ATL-DAQ-PROC-2010-024. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1626.
ATLAS level-1 calorimeter trigger hardware: initial timing and energy calibration / Childers, JT (Heidelberg U.)
The ATLAS Level-1 Calorimeter Trigger identifies high-pT objects in the Liquid Argon and Tile Calorimeters with a fixed latency of up to 2.4 microseconds using a hardware-based, pipelined system built with custom electronics. [...]
ATL-DAQ-PROC-2010-025. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1627.
ATLAS RPCs operation and performance tuning through the Detector Control System at the startup of 2009 LHC run / Bindi, M (INFN, Bologna ; Bologna U.)
Detailed studies on the behavior of ATLAS RPCs have been performed during last year of commissioning by using cosmic rays data and the first proton-proton collisions at 450 GeV. [...]
ATL-MUON-PROC-2010-004. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1628.
Calibration of the ATLAS Muon Spectrometer Precision Chambers for Initial LHC Beam Collisions / Yang, H (Michigan U.)
ATLAS is a general purpose experiment at the Large Hadron Collider (LHC) at CERN which began operation in September, 2009. [...]
ATL-MUON-PROC-2010-005. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1629.
Hadron response and shower development in the ATLAS calorimeters / Simonyan, M (Bohr Inst. ; Copenhagen U.)
The response of the ATLAS Calorimeters to hadrons in the energy range of 2 to 350 GeV produced at CERN's Super Proton Synchrotron (SPS) H8 test beam line has been measured. [...]
ATL-CAL-PROC-2010-001. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1630.
The performance of the ATLAS Inner Detector Trigger algorithms in pp collisions at the LHC / Sutton, Mark (Sheffield U.)
The ATLAS Experiment, Inner Detector trigger algorithms have been running online during data taking with proton-proton collisions at the Large Hadron Collider (LHC) since December 2009. [...]
ATL-DAQ-PROC-2010-026. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1631.
Early Electroweak signals at the LHC / Boonekamp, M (IRFU, SPP, Saclay)
I review the current uncertainties on electroweak boson production at the LHC, and how the foreseen measurements will help to improve the situation, even with modest integrated luminosities..
ATL-PHYS-PROC-2010-054. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1632.
Response of Single Isolated Hadrons in the First ATLAS Data at $\sqrt{s}$ = 900 GeV / DeViveiros, P-O (Toronto U.)
The response of single isolated hadrons in the ATLAS calorimeters has been studied in 360 thousand collision events at 900 GeV collected during the December 2009 LHC commissioning run. [...]
ATL-PHYS-PROC-2010-055. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1633.
Alignment of the Inner Detector and of the Muon Spectrometer of the ATLAS experiment / Potrap, I (Munich, Max Planck Inst.)
The ATLAS experiment at the Large Hadron Collider at CERN is equipped with two tracking systems: the Inner Detector and the Muon Spectrometer. [...]
ATL-GEN-PROC-2010-007. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1634.
Performance of muon identification and reconstruction in ATLAS / Cornelissen, T G (INFN, Genova)
Muon final states provide clean signatures for many physics processes at the LHC. [...]
ATL-PHYS-PROC-2010-056. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1635.
Early Physics with Atlas at LHC / Esposito, B (Frascati)
The Atlas experiment is aimed at the exploitation of the full physics potential of LHC. [...]
ATL-PHYS-PROC-2010-057. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1636.
The Sensitivity of the ATLAS Detector to the Standard Model Higgs Boson in the Four Lepton Final State / Wiglesworth, Craig (Liverpool U.)
The search for the Standard Model (SM) Higgs boson is one of the main objectives of the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2010-058. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1637.
Response of single isolated hadrons in the ATLAS calorimeter / Simonyan, M (Bohr Inst.)
Data produced in proton-proton collisions at a center-of-mass energy of $\sqrt{s} = 900$ GeV collected by the ATLAS experiment at CERN are used to select isolated tracks and to probe the calorimeter response associated to them. [...]
ATL-PHYS-PROC-2010-059. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1638.
Commissioning of real time algorithms in the ATLAS tau trigger system / Kadlecik, Peter (Bohr Inst.)
A significant part of the Standard Model particles involve tau leptons in their decay chains. [...]
ATL-DAQ-PROC-2010-027. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1639.
Commissioning and Performance of the ATLAS Transition Radiation Tracker with high energy collisions at LHC / Alonso, A (Lund U.)
The ATLAS Transition Radiation Tracker (TRT) is the outermost of the three sub-systems of the ATLAS Inner Detector at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2010-017. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1640.
Threshold Tuning of the ATLAS Pixel Detector / Behara, P ; Gaycken, G ; Horn, C ; Khanov, A ; Lopez Mateos, D ; Masetti, L ; Muller, K ; Perez, K
The threshold of each pixel in the Pixel Detector must be properly set in order to optimize position resolution and particle detection efficiency. [...]
ATL-INDET-PUB-2010-001. - 2010. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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1641.
Monitoring and Data Quality Assessment for the ATLAS Liquid Argon Calorimeter at the LHC - Proceedings for IPRD10 / Simard, O (IRFU, SPP, Saclay)
See document..
ATL-LARG-PROC-2010-004. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1642.
The ATLAS Liquid Argon Calorimeter at the LHC: Overview and Performance / Aurousseau, M (Annecy, LAPP)
The Liquid Argon (LAr) Calorimeters provide electromagnetic and forward hadronic calorimetry measurements for the ATLAS experiment. [...]
ATL-LARG-PROC-2010-005. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1643.
Performance of the ATLAS Forward Calorimeters in First LHC Data / Gillberg, Dag (Carleton U.)
The ATLAS Forward Calorimeters (FCal) cover the very forward region of $3.1 &lt; |eta| &lt; 4.9$ and are hence designed to operate in a very high rate environment. [...]
ATL-LARG-PROC-2010-006. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1644.
Tridimensional Event Visualization for the ATLAS Calorimeter / Filho, L M A ; Seixas, J M ; Vitillo, R ; Martin, B
The ATLAS detector has been commissioned with cosmic rays. [...]
ATL-TILECAL-PUB-2010-001. - 2010. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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1645.
Soft QCD Measurements at 900 GeV and 7 TeV with ATLAS / Proudfoot, J (Argonne)
We present results on charged hadron production in proton-proton collisions at the Large Hadron Collider and center of mass energies ps = 900 GeV and 7 TeV in the ATLAS Detector. [...]
ATL-PHYS-PROC-2010-060. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1646.
First results and status of the ATLAS detector at the LHC / Maettig, Peter (Wuppertal U.)
The road with early ATLAS data towards top physics is discussed. [...]
ATL-GEN-PROC-2010-008. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1647.
The ATLAS Liquid Argon Calorimeter: Overview and Performance / ZHANG, H (Marseille, CPPM)
The LHC is delivering collision data since Nov. [...]
ATL-LARG-PROC-2010-007. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1648.
Signal Reconstruction of the ATLAS Hadronic Tile Calorimeter: implementation and performance / Usai, G (Texas U., Arlington)
TileCal, the central hadronic section of the ATLAS Calorimeter, is a sampling calorimeter made of steel and scintillating tiles. [...]
ATL-TILECAL-PROC-2010-008. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1649.
Commissioning of the ATLAS Electron and Photon Trigger Selection / Dao, V (Geneva U.)
First collisions at a center of mass energy of 7 TeV at the Large Hadron Collider (LHC) were recorded by the ATLAS at the beginning of 2010. [...]
ATL-DAQ-PROC-2010-028. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1650.
Local hadron calibration with ATLAS / Giovannini, P (Munich, Max Planck Inst.)
The method of Local Hadron Calibration is used in ATLAS as one of the two major calibration schemes for the reconstruction of jets and missing transverse energy. [...]
ATL-LARG-PROC-2010-008. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1651.
A Serializer ASIC at 5 Gbps for Detector Front-end Electronics Readout / Ye, J (Southern Methodist U.)
Optical data links are used in detector front-end electronics readout systems of experiments in the Tevatron and the LHC. [...]
ATL-LARG-PROC-2010-009. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1652.
ATLAS-detector operations with beams: the data-acquisition perspective / Ferrari, R (INFN, Pavia)
The ATLAS data acquisition system is based on O(2k) processing nodes, interconnected by a multi-layer Gigabit Ethernet network. [...]
ATL-DAQ-PROC-2010-029. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1653.
Commissioning of the ATLAS Tile Hadronic Calorimeter with cosmic muons, single beams and first collisions / Rossetti, V (Barcelona, IFAE)
Until December 2009 the ATLAS detector has undergone a long period of commissioning with cosmic rays. [...]
ATL-TILECAL-PROC-2010-009. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1654.
ATLAS LAr calorimeters readout electronics upgrade R&D for sLHC / Chen, Hucheng (Brookhaven Natl Lab.)
The ATLAS Liquid Argon (LAr) calorimeters consist of an electromagnetic barrel calorimeter and two end-caps with electromagnetic, hadronic and forward calorimeters. [...]
ATL-LARG-PROC-2010-010. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1655.
ATLAS Silicon Microstrip Tracker Operation and Performance / Mayne, A (Sheffield U.)
This overview presents the current status of the ATLAS SemiConductor Tracker, including results from the latest data-taking periods in autumn 2009 and spring 2010, and from the detector alignment. [...]
ATL-INDET-PROC-2010-018. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1656.
Observation of Energetic Jet Production in $pp$ Collisions at $sqrt{s}=7~$TeV using the ATLAS Experiment at the LHC / Feng, Eric (Chicago U., EFI)
We report the observation of energetic jet production in proton-proton collisions at $sqrt{s}=7$~TeV, based on about 1~nb${}^{-1}$ of integrated luminosity collected by the ATLAS detector. [...]
arXiv:1010.1974 ; ATL-PHYS-PROC-2010-061. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Fulltext - Preprint - Full text - Fulltext
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1657.
TOP QUARK PHYSICS WITH ATLAS / Karpova, Z M (Dubnam JINR)
The main Monte-Carlo predictions of the expected features of top-quark physics are presented for the 10 and 14 TeV collisions energy of the LHC machine. [...]
ATL-PHYS-PROC-2010-062. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1658.
Upgrade of the Tracking and Trigger System ATLAS and CMS / Parodi, F (Genoa U. ; INFN, Genoa)
While the Large Hadron Collider (LHC) has started to record collisions in late 2009, plans are already advancing for an upgrade. [...]
ATL-UPGRADE-PROC-2010-004. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1659.
ATLAS Latest Results / Dittus, F (CERN)
First results from the analysis of proton-proton collisions recorded with the ATLAS detector at the LHC are presented. [...]
ATL-GEN-PROC-2010-009. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1660.
ATLAS: Status and First Results / Tovey, D R (Sheffield U.)
Recent results from the ATLAS experiment at the CERN Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2010-063. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1661.
ATLAS Status / Rossi, L P (INFN Genoa)
The status of the ATLAS detector is presented together with the first measurements on 7 TeV proton-proton collisions at the Large Hadron Collider (LHC) [...]
ATL-GEN-PROC-2010-010. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1662.
Top Physics at ATLAS / Suruliz, K (ICTP, Trieste)
We describe the prospects for top physics with early data from the ATLAS experiment, focusing on the measurement of the top pair production cross-section in the single lepton and dilepton channels..
ATL-PHYS-PROC-2010-064. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1663.
ATLAS Status and First Results / Conde Muino, P (LIP, Lisbon)
After more than 20 years of continuous work and several months of commissioning with cosmic muon data, the ATLAS experiment started data taking at the Large Hadron Collider (CERN). [...]
ATL-GEN-PROC-2010-011. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published version from AIP
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1664.
The ATLAS Pixel Detector operation and performance / Andreazza, A (INFN, Milan)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2010-019. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1665.
ATLAS measurements of $J/\psi$ events at $\sqrt{s} = 7 TeV$ / Vlachos, S (Natl. Tech. U., Athens)
The first J/psi to mu+ mu- observation using the ATLAS detector, in 7 TeV proton-proton collisions at the LHC, is reported for an integrated luminosity of approximately 6.4 nb-1. [...]
ATL-PHYS-PROC-2010-065. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1666.
Heavy Ion Physics with the ATLAS Detector / Santos, H (LIP, Lisbon)
The ATLAS experiment will participate in the Heavy Ion Program of the Large Hadron Collider (LHC), for which the main goal is to create strong interacting matter under extreme energy density and temperature conditions. [...]
ATL-PHYS-PROC-2010-066. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1667.
Strategies of data-driven estimations of ttbar backgrounds in ATLAS / Loginov, A (Yale U.)
An overview of data-driven methods developed in ATLAS to evaluate main sources of backgrounds for the estimation of the ttbar cross section is presented. [...]
ATL-PHYS-PROC-2010-067. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1668.
Identified particle production in inelastic pp scattering with ATLAS / Biesiada, J (LBL, Berkeley)
We present the observation of strange and charm hadrons using tracking information from the ATLAS Inner Detector..
ATL-PHYS-PROC-2010-068. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1669.
The Influence of the Underlying Event on Jet Measurements in Heavy Ion Collisions / Spousta, M (Charles U.)
We present a study of the performance of jet reconstruction algorithms for Pb+Pb collisions at $sqrt{s_{NN}} = 5.52$~TeV/n based on a full GEANT simulation of the ATLAS detector. [...]
ATL-PHYS-PROC-2010-069. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1670.
Electron performance with the ATLAS detector with J/Psi, W and Z / Kerschen, Nicolas (CERN)
We outline the electron performance of the ATLAS experiment with the very first data taken at the LHC with a center of mass energy of 7 TeV. [...]
ATL-PHYS-PROC-2010-070. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1671.
ATLAS Upgrade / Muenstermann, D (Dortmund U.)
Following the commissioning of ATLAS and the LHC, plans to further increase the design luminosity of $1*10^{34}{cm}^{-2}{s}^{-1}$ towards $5*10^{34}{cm}^{-2}{s}^{-1}$ (SuperLHC or sLHC) have been presented [...]
ATL-UPGRADE-PROC-2010-005. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1672.
Jet Production in proton-proton collisions at oldmath sqrt (s)=7TeV with ATLAS / Roda, C (Pisa U.)
We report on the first measurements done with the ATLAS experiment of the characteristics of energetic jets produced in proton-proton collisions at the unprecedentedly reached center of mass energy of 7 TeV. [...]
ATL-PHYS-PROC-2010-071. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1673.
Atlas Silicon Strips Operations and Performance / Bitenc, U (Freiburg U.)
In these proceedings the current status of the ATLAS SemiConductor Tracker is presented. [...]
ATL-INDET-PROC-2010-020. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1674.
Tests of Local Hadron Calibration Approaches in ATLAS Combined Beam Tests / Grahn, KJ (Royal Inst. Tech., Sodertalje) ; Kiryunin, A (Munich, Max Planck Inst.) ; Pospelov, G (Munich, Max Planck Inst.)
Three ATLAS calorimeters in the region of the forward crack at $|eta| = 3.2$ in the nominal ATLAS setup and a typical section of the two barrel calorimeters at $|eta| = 0.45$ of ATLAS have been exposed to combined beam tests with single electrons and pions. [...]
ATL-LARG-PROC-2010-011. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1675.
First ATLAS results on charm production / Mountricha, E (Natl. Tech. U., Athens ; IRFU, SPP, Saclay)
The first results on charm production in s = 7 TeV p-p collisions with the ATLAS detector at the LHC will be presented. [...]
ATL-PHYS-PROC-2010-072. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1676.
Timing behavior of the ATLAS Pixel Detector in calibration, cosmic-ray and collision data / Ibragimov, I (Siegen U.)
The ATLAS Pixel Detector is the innermost tracking detector of the ATLAS experiment at the Large Hadron Collider (LHC) at CERN. [...]
ATL-INDET-PROC-2010-021. - 2010. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1677.
ATLAS Alignment, Tracking and Physics Performance Results / Piacquadio, G (CERN)
The present contribution describes the track reconstruction performance of the ATLAS Detector, based on the first proton-proton collisions delivered by the LHC accelerator at CERN at center-of-mass energies of 900~GeV and 7~TeV. [...]
ATL-PHYS-PROC-2010-073. - 2010. - 20 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1678.
Distributions for one-lepton SUSY Searches with the ATLAS Detector / Genest, M.-H. (Munich U.)
Using ATLAS data corresponding to 70 +- 8 nb^-1 of integrated luminosity from the 7 TeV proton-proton collisions at the LHC, distributions of relevant supersymmetry-sensitive variables are shown for the final state containing jets, missing transverse momentum and one isolated electron or muon. [...]
arXiv:1009.1951. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text - Fulltext
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1679.
SUSY PHYSICS WITH ATLAS / Karpov, S N (Dubna, JINR)
The main Monte Carlo predictions of the expected SUSY signal are presented for the 10 TeV collision energy of the LHC machine. [...]
ATL-PHYS-PROC-2010-075. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1680.
The charmonium and beauty physics programme in ATLAS / Smizanska, M (Lancaster U.)
The first J/ψ → μ+μ− signal in the ATLAS detector, from 7 TeV proton-proton collisions in the LHC, with integrated luminosity of 6.4 nb−1 was extracted and analysed. [...]
ATL-PHYS-PROC-2010-076. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1681.
A Cherenkov Detector for Monitoring ATLAS Luminosity / Sbrizzi, A (Bologna U. ; INFN, Bologna)
LUCID is the luminosity monitor of the LHC accelerator for the ATLAS experiment. [...]
ATL-LUM-PROC-2010-004. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1682.
ATLAS measurements of minimum bias and soft QCD / Limper, Maaike (Iowa U.)
The first measurements of charged particle production in proton-proton collisions at center-of-mass energy sqrt(s)=900 GeV and 7 TeV recorded with the ATLAS detector at the LHC are presented. [...]
ATL-PHYS-PROC-2010-077. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from AIP
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1683.
R&D for the local support and cooling channel for the ATLAS Pixel Insertable B-Layer (IBL) / Coelli, S (INFN, Milan)
The Pixel Detector is a Silicon Vertex Tracker installed into the ATLAS Experiment on the LHC at CERN. [...]
ATL-INDET-PROC-2010-022. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1684.
Searches for Supersymmetry and Other Exotica at the LHC / Milstead, D (Stockholm U.)
The Large Hadron Collider (LHC) has opened up a new kinematic regime. [...]
ATL-PHYS-PROC-2010-078. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1685.
Measurement of the properties of inelastic p-p events with the ATLAS detector / Limper, M (Iowa U.)
New measurements are presented from proton-proton collisions recorded with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2010-079. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1686.
Early Searches with Jets with the ATLAS detector at the LHC / Lendermann, V (Heidelberg U.)
First data collected with the ATLAS detector in 2010 allow us to search for new physics in various jet signatures. [...]
ATL-PHYS-PROC-2010-080. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1687.
Studies of W and Z bosons at $sqrt{s}=7 TeV$ with ATLAS / Di Simone, A (INFN, Rome2 ; Rome U., Tor Vergata)
The contribution describes the first observation of W and Z bosons produced in $sqrt{s}=7TeV$ collisions. [...]
ATL-PHYS-PROC-2010-081. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1688.
Minimum Bias and Early QCD at ATLAS / Kar, D. (Dresden, Tech. U.)
The early minimum bias and the QCD results from the ATLAS experiment in the LHC are presented..
arXiv:1010.3302 ; ATL-PHYS-PROC-2010-082. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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1689.
Top quark pair production Cross Section in ATLAS with early data / Abi, Babak (Oklahoma State U.)
A search is performed for top quark pairs with early data of ATLAS pp collision taken at √s = 7 TeV. [...]
arXiv:1010.0148 ; ATL-PHYS-PROC-2010-083 ; ATL-PHYS-PROC-2010-083. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2010-083 (2010-09-29) - Preprint - Fulltext - Preprint
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1690.
First results on top-quark from ATLAS / Cortiana, G (Munich, Max Planck Inst.)
The search for first top pair candidate events and the related preliminary background studies using data-driven techniques are reported in about 300 inverse nb of sqrt(s)=7 TeVproton-proton collisions data delivered by the Large Hadron Collider (LHC) and collected with the ATLAS detector. [...]
ATL-PHYS-PROC-2010-084. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1691.
Commissioning of the ATLAS Electron and Photon Trigger Selection / Santamarina Rios, Cibran (McGill U.) ; Rios
Since the start-up of the LHC end of 2009, the trigger commissioning is in full swing. [...]
arXiv:1009.6222. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - Preprint - Full text - Fulltext
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1692.
Commissioning of the ATLAS Muon Trigger Selection / Musto, E (Naples U. ; INFN, Naples)
The performance of the three-level ATLAS muon trigger using LHC data are presented. [...]
ATL-DAQ-PROC-2010-031. - 2010. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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1693.
Tracking Performance of the ATLAS Inner Detector and Observation of Known Hadrons / Kayl, M S (NIKHEF, Amsterdam)
The inner detector is the central tracking device of the ATLAS detector. [...]
ATL-PHYS-PROC-2010-085. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1694.
Prospects for early top anti-top resonance searches in ATLAS / Chapleau, Bertrand
Searches for signatures of new physics in top anti-top events at the LHC require efficient reconstruction of top quarks with a broad range of transverse momenta. [...]
arXiv:1010.0362 ; ATL-PHYS-PROC-2010-086 ; ATL-PHYS-PROC-2010-086. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Preprint
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1695.
The ATLAS Trigger System Commissioning and Performance / Hamilton, Andrew (Geneva U.)
The ATLAS trigger has been used very successfully to collect collision data during 2009 and 2010 LHC running at centre of mass energies of 900 GeV, 2.36 TeV, and 7 TeV. [...]
arXiv:1010.0017. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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1696.
Tau Reconstruction and Identification Performance at ATLAS / Gosdzik, Bjoern
For many signals in the Standard Model and new physics like Supersymmetry and Higgs Bosons, $ au$ leptons represent an important signature. [...]
arXiv:1009.6135 ; ATL-PHYS-PROC-2010-087. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Full text
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1697.
Performance of the ATLAS Minimum Bias Trigger in pp collisions at the LHC / Tompkins, Lauren (UC, Berkeley ; LBL, Berkeley)
Part of the early physics program at the ATLAS experiment is to measure basic properties of proton proton collisions, such as charged particle multiplicities, which will constrain phenomenological models in the LHC energy regime. [...]
arXiv:1009.6133 ; ATL-DAQ-PROC-2010-033. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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1698.
Performance of the ATLAS Tau and Missing Energy triggers with 7 TeV proton proton collisions / Hooft van Huysduynen, L (New York U.)
A study of the performance of the ATLAS tau and missing energy triggers with data collected at sqrt(s) = 7 TeV proton-proton collisions is presented. [...]
ATL-DAQ-PROC-2010-034. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1699.
The latest results from the ATLAS experiment / Samset, BH (Oslo U.)
The ATLAS detector at the LHC is a general purpose experiment for studying p+p collisions at TeV energies. [...]
ATL-PHYS-PROC-2010-088. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1700.
The search for single top quarks at the LHC / Hirschbuehl, D (Wuppertal U.) ; Iorio, A O M (Naples U.)
We report on the predictions of the Standart Model for the single top-quark production at LHC and on the analysis strategies adopted by CMS and ATLAS for the single top-quark search. [...]
ATL-PHYS-PROC-2010-089. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1701.
Higgs Boson Parameters at the LHC / Psoroulas, S (Bonn U.)
The search for the Higgs Boson is one of the main goals for the LHC. [...]
ATL-PHYS-PROC-2010-001. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1702.
Reconstruction of primary vertices in pp collisions at energies of 900 GeV and 7 TeV with the ATLAS detector / Prokofiev, K (CERN)
The Large Hadron Collider (LHC) of the European Organisation for Nuclear Research started its operation in autumn of 2009. [...]
ATL-INDET-PROC-2010-023. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1703.
ATLAS Silicon Microstrip Detector Operation and Performance / Coniavitis, E (Oxford U.)
In December 2009 the ATLAS experiment at the CERN Large Hadron Collider (LHC) recorded the first proton-proton collisions at a centre-of-mass energy of 900 GeV, followed by the unprecedented energy of 7 TeV in March 2010. [...]
ATL-INDET-PROC-2010-024. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1704.
Alignment of the ATLAS Inner Detector / Ahsan, M (Texas U., Dallas)
ATLAS is one of the two general purpose detectors at the world’s largest particle accelerator, the Large Hadron Collider (LHC). [...]
ATL-INDET-PROC-2010-025. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1705.
Chaged Particle Multiplicities in Inelastic proton-proton Collisions with the ATLAS Detector. / Zaidan, R (Iowa U.)
The measurement of the charged particle multiplicities with the ATLAS detector in inelastic p − p collisions at center of mass energy of 900 GeV and 7 TeV are presented. [...]
ATL-PHYS-PROC-2010-090. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1706.
Atlas Tracker Upgrade: Silicon Strip Detectors and Modules for the SLHC / Minano, M (Valencia U., IFIC)
It is foreseen to increase the luminosity of the Large Hadron Collider (LHC) at CERN by a significant factor, with the upgraded machine dubbed Super-LHC. [...]
ATL-INDET-PROC-2010-026. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1707.
Alignment of the ATLAS Inner Detector Tracking System / Moles-Valls, R (Valencia U., IFIC)
ATLAS is a multipurpose experiment that records the products of the LHC collisions. [...]
ATL-INDET-PROC-2010-027. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1708.
Jet results and jet reconstruction techniques in p+p and their prospects in heavy-ion collisions in ATLAS / Spousta, M (Charles U.)
We present the measurement of jet production performed with the ATLAS detector in proton-proton collisions at center-of-mass energy of 7 TeV, using an integrated luminosity of 17 nb$^{-1}$. [...]
ATL-PHYS-PROC-2010-091. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1709.
Observation and study of the J/ψ ->μ+μ- in the ATLAS experiment at LHC / Rossi, E (Naples U.)
The high cross section for the J/ψ production and the wide pT spectrum accessible to ATLAS give to these events a central role in the calibration of the muon spectrometer. [...]
ATL-PHYS-PROC-2010-092. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1710.
Early supersymmetry searches in events with missing transverse energy and b-jets with the ATLAS detector
This note describes a first set of measurements of supersymmetry-sensitive var iables in heavy-flavour enriched final state events with jets and missing transverse energy, from initial \sqrt{s}=7 TeV proton-proton collisions at the LHC. [...]
ATLAS-CONF-2010-079. - 2010. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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1711.
Search for new particles decaying into dijets in proton-proton collisions at sqrt{s} = 7 TeV with the ATLAS detector
A search for new heavy particles manifested as narrow dijet (two-jet) invariant mass resonances is presented using the ATLAS detector to study proton-proton collisions at a centre-of-mass energy of sqrt{s} = 7 TeV. [...]
ATLAS-CONF-2010-080. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1712.
Track-based underlying event measurements in pp collisions at sqrt{s} = 900 GeV and 7 TeV with the ATLAS Detector at the LHC
The first underlying event measurements with the ATLAS detector at the LHC are presented. [...]
ATLAS-CONF-2010-081. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1713.
Angular correlations between charged particles from proton-proton collisions at sqrt{s} = 900 GeV and sqrt{s} = 7 TeV measured with ATLAS detector
This note describes a study of angular correlations between charged particles steaming from proton-proton collisions. [...]
ATLAS-CONF-2010-082. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1714.
Azimuthal Decorrelations in Dijet Events at sqrt{s]=7 TeV
The azimuthal decorrelation in central high-pT dijet events has been measured with the ATLAS detector in pp interactions at center-of-mass energy sqrt{s}=7 TeV with an integrated luminosity of L=315+-35 nb-1. [...]
ATLAS-CONF-2010-083. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1715.
Measurements of multijet production cross sections in proton-proton collisions at 7 TeV center-of-mass energy with the ATLAS Detector
Inclusive multijet production has been studied with the ATLAS detector in proton-proton collisions at a center-of-mass energy of 7 TeV, using an integrated luminosity of 17 nb$^{-1}$. [...]
ATLAS-CONF-2010-084. - 2010. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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1716.
Dijet production with a jet veto in pp collisions at √s=7TeV
In this note, we measure the fraction of dijet events in pp collisions at √s=7TeV that do not contain an additional jet in the rapidity region bounded by the dijet system. [...]
ATLAS-CONF-2010-085. - 2010. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1717.
Tau Reconstruction and Identification Performance in ATLAS
Using LHC collisions at a centre-of-mass energy of sqrt(s)=7 TeV recorded with the ATLAS detector, the performance of the reconstruction and identification algorithms for hadronic tau decays is studied. [...]
ATLAS-CONF-2010-086. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1718.
Background studies for top-pair production in lepton plus jets final states in $\sqrt{s}=7 TeV$ ATLAS data
The search for top quark pairs at the LHC requires the selection of events with leptons, high jet multiplicity, b-tagged jets and missing transverse energy, and the study of control samples with lower jet multiplicity to evaluate the backgrounds. [...]
ATLAS-CONF-2010-087. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1719.
Online Calibration and Performance of the ATLAS Pixel Detector / Keil, M (CERN ; Gottingen U.)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2010-028. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1720.
Search for new physics in multi-body final states at high invariant masses with ATLAS
Preliminary results of a search for new physics in multi-body final states in proton-proton collisions at a centre-of-mass energy of ps = 7 TeV are presented. [...]
ATLAS-CONF-2010-088. - 2010. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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1721.
Search for high-mass states with electron plus missing transverse energy using the ATLAS Detector at $\sqrt{s}=7TeV$
The ATLAS detector has been used to search for high-mass states, such as new heavy charged gauge bosons, decaying to an electron plus missing energy. [...]
ATLAS-CONF-2010-089. - 2010. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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1722.
Performance of the ATLAS tau trigger in p-p collisions at $\sqrt{s} = 7$ TeV
This note describes the analysis of the tau trigger related variables, using data collected with the ATLAS detector at $\sqrt{s} = 7$ TeV. [...]
ATLAS-CONF-2010-090. - 2010. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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1723.
Performance of Impact Parameter-Based b-tagging Algorithms with the ATLAS Detector using Proton-Proton Collisions at √s = 7 TeV
The ability to identify jets containing $b$-hadrons is important for the high-pt physics program of a general-purpose experiment at the LHC such as ATLAS. [...]
ATLAS-CONF-2010-091. - 2010. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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1724.
Observation of the Background from W+jets to the H -> WW -> ll nu nu Search with the ATLAS detector at 7 TeV
This note describes an observation of events with two lepton candidates, one of which can be loose, together with large missing transverse momentum with the ATLAS detector at a proton-proton centre-of-mass energy of 7 TeV. [...]
ATLAS-CONF-2010-092. - 2010. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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1725.
Update of the search for new particles decaying into dijets in proton-proton collisions at $\sqrt{s} = 7 TeV$ with the ATLAS detector
We present an update of the results presented in [1], using 3.12 pb−1 [...]
ATLAS-CONF-2010-093. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1726.
Performance of the ATLAS Jet Trigger in the Early sqrt{s}=7 TeV Data
We present the performance of the ATLAS jet trigger using collision data acquired in April & May 2010 at a center-of-mass energy of 7~TeV. [...]
ATLAS-CONF-2010-094. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1727.
Offline calibrations and performance of the ATLAS Pixel Detector / Dell'Asta, L (Milan U. ; INFN, Milan)
The ATLAS Pixel Detector is the innermost detector of the ATLAS Experiment at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2010-029. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1728.
ATLAS Status and First Results / Beringer, J (LBL, Berkeley)
The ATLAS experiment at the Large Hadron Collider at CERN has been recording a rapidly growing data sample during the few months since proton--proton collisions at the LHC started in November 2009. [...]
ATL-PHYS-PROC-2010-093. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1729.
Performance of the ATLAS Muon Trigger in p-p collisions at $\sqrt{s} = 7 TeV$
The performance of the muon trigger has been studied using collision data taken in 2010 at Sqrt{s}=7 TeV with a total luminosity of approximately 94 nb^-1. [...]
ATLAS-CONF-2010-095. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1730.
Gauge Couplings at the LHC / Wang, SM (Taiwan, Inst. Phys.)
The potential for measuring the di-boson production at the LHC has been studied by both the ATLAS and CMS experiments, using full detector simulation of the signal and background samples. [...]
ATL-PHYS-PROC-2010-094. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1731.
Performance of the ATLAS Transition Radiation Tracker read-out with cosmic rays and first high energy collisions at the LHC / Olivito, D (Pennsylvania U.)
The Transition Radiation Tracker (TRT) is the outermost of the three subsystems in the ATLAS Inner Detector. [...]
ATL-INDET-PROC-2010-030. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1732.
Flavor Physics at ATLAS: Status and Perspectives / zur Nedden, M (Humboldt U., Berlin)
In this note, the first flavor physics results of ATLAS based on a luminosity up to $78~\mathrm{nb}^{-1}$ are presented. [...]
ATL-PHYS-PROC-2010-095. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1733.
Detailed Performance Study of ATLAS Endcap Muon Trigger with Beam Collision / Hayakawa, T (Kobe U.)
Since the first p-p collision of the LHC, The Trigger System has been providing level-1 trigger signals of muon candidates with the specified latency to the central trigger system. [...]
ATL-DAQ-PROC-2010-035. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - IOP Open Access article - Full text
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1734.
The IBL Readout System / Dopke, J (University of Wuppertal) ; Falchieri, D (INFN, Bologna) ; Flick, T (Wuppertal U.) ; Gabrielli, A (INFN, Bologna) ; Kugel, A (Heidelberg U.) ; Maettig, P (Wuppertal U.) ; Morettini, P (INFN, Genoa) ; Polini, A (INFN, Bologna) ; Schroer, N (Heidelberg U.)
The first upgrade for the ATLAS Pixel Detector will be an additional layer, which is called IBL (Insertable B-Layer). [...]
ATL-INDET-PROC-2010-031. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1735.
The ATLAS Level-1 Central Trigger / Stockton, M (CERN)
The ATLAS Level-1 trigger system is responsible for reducing the anticipated LHC collision rate from 40 MHz to less than 100 kHz. [...]
ATL-DAQ-PROC-2010-036. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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1736.
Data-driven background estimation for the H -> tau+tau- -> lh search at 7 TeV with the ATLAS detector
Events characterised by the presence of an electron or muon, plus a hadronically decaying tau lepton and large missing transverse momentum are searched for in 7 TeV proton-proton collision data at the LHC. [...]
ATLAS-CONF-2010-096. - 2010. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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1737.
The latest results from the ATLAS Experiment / Perez-Reale, V (Columbia U.)
With the LHC start-up and the first runs at 900 GeV, 2.36 TeV and 7 TeV centre-of-mass energy in the years 2009 and 2010, the ATLAS detector started to record its first collision events. [...]
ATL-PHYS-PROC-2010-096. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1738.
The simulation principle and performance of the ATLAS fast calorimeter simulation FastCaloSim / ATLAS, Coll ; Beckingham, M ; Duehrssen, M ; Schmidt, E ; Shapiro, M ; Venturi, M ; Virzi, J ; Vivarelli, I ; Werner, M ; Yamamoto, S et al.
The FastCaloSim calorimeter simulation was developed to provide a reasonably accurate but still fast simulation of the ATLAS calorimeter system. [...]
ATL-PHYS-PUB-2010-013. - 2010. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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1739.
A Readout Driver for the ATLAS LAr Calorimeter at a High Luminosity LHC / Kielburg-Jeka, A (Dresden, Tech. U.) ; Stärz, S (Dresden, Tech. U.)
A new readout driver (ROD) is being developed as a central part of the signal processing of the ATLAS liquid-argon calorimeters for operation at the High Luminosity LHC (HL-LHC). [...]
ATL-LARG-PROC-2010-012. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1740.
Early B-physics at ATLAS / Oda, S.
The B-physics program at the ATLAS experiment, which covers the mid-rapidity region, complements that at the dedicated LHCb experiment, which covers the forward rapidity region. [...]
arXiv:1010.3675 ; ATLAS-PHYS-PROC-2010-097 ; ATLAS-PHYS-PROC-2010-097. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text - Fulltext
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1741.
Submission of the First Full Scale Prototype Chip for Upgraded ATLAS Pixel Detector at LHC, FE-I4A / Barbero, M (Bonn U.) ; Arutinov, D (Bonn U.) ; Beccherle, R (INFN, Genova) ; Darbo, G (INFN, Genova) ; Dube, S (LBNL, Berkeley) ; Elledge, D (LBNL, Berkeley) ; Fleury, J (LBNL (visiting from LAL)) ; Fougeron, D (Marseille, CPPM) ; Garcia-Sciveres, M (LBNL, Berkeley) ; Gensolen, F (Marseille, CPPM) et al.
A new ATLAS pixel chip FE-I4 is being developed for use in upgraded LHC luminosity environments, including the near-term Insertable B-Layer (IBL) upgrade. [...]
ATL-UPGRADE-PROC-2010-006. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1742.
Drift Time measurement in the ATLAS Liquid Argon electromagnetic calorimeter using cosmic muons / Gabaldon, C (CERN)
In this article, measurements of the drift time (Tdrift) of the ionization electrons in the ATLAS ElectroMagnetic (EM) calorimeter are presented, using 32-samples cosmic muon data. [...]
ATL-LARG-PROC-2010-013. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1743.
ATLAS IBL: Integration of new HW/SW readout features for the additional layer of Pixel Detector / The ATLAS collaboration
An additional inner layer for the existing ATLAS Pixel Detector, called Insertable B-Layer (IBL), is under design. [...]
ATL-INDET-PROC-2010-032. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1744.
Measurement of the inclusive jet production cross sections and dijet cross sections in proton-proton collisions at 7 TeV center-of-mass energy with the ATLAS detector at the LHC / Marshall, Z (Caltech)
We present the first measurement of the double-differential inclusive jet production cross section in proton-proton collisions at 7~TeV center of mass energy using the ATLAS detector. [...]
ATL-PHYS-PROC-2010-098. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1745.
Muon performance and related ATLAS fi rst physics / Moreno Llacer, M (Valencia U., IFIC)
Muon final states provide clean signatures for many physics processes at LHC. [...]
ATL-PHYS-PROC-2010-099. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1746.
Tracking and Vertexing with the ATLAS Detector at the LHC / Hirsch, F (Dortmund U.)
The ATLAS Inner Detector contains the three tracking devices of the ATLAS experiment at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2010-033. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1747.
Upgrading the ATLAS Level-1 Calorimeter Trigger using Topological Information / Ermoline, Y (Michigan State U.)
The ATLAS Level-1 Calorimeter Trigger (L1Calo) is a fixed latency, hardware-based pipelined system designed for operation at the LHC design luminosity of 10^34cm-2s-1 [...]
ATL-DAQ-PROC-2010-037. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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1748.
Upgrade of the PreProcessor System for the ATLAS Level-1 Calorimeter Trigger / Khomich, A (Kirchhoff Inst. Phys.)
The ATLAS Level-1 Calorimeter Trigger is a hardware-based pipelined system designed to identify high-pT objects in the ATLAS calorimeters within a fixed latency of 2.5\,us. [...]
ATL-DAQ-PROC-2010-038. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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1749.
Production of charm and charmonium with the ATLAS detector at 7 TeV / Price, D (Indiana U.)
We report on the observation of the charm mesons D*+-, D+- and Ds+-, and of the J/psi -> mu+mu- resonance in first data from the ATLAS detector in 7 TeV proton-proton collisions at the LHC. [...]
ATL-PHYS-PROC-2010-100. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1750.
The ATLAS Pixel Insertable B-Layer (IBL) / Huegging, F (Bonn U.)
The upgrade for the ATLAS Detector will undergo di erent phases towards sLHC. [...]
ATL-INDET-PROC-2010-034. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1751.
First tuning of HERWIG/JIMMY to ATLAS data
This note describes the first systematic tuning of the HERWIG generator to ATLAS data, with the JIMMY model for multiple parton interactions. [...]
ATL-PHYS-PUB-2010-014. - 2010. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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1752.
The performance of the ATLAS Level-1 Calorimeter Trigger with LHC collision data / Bracinik, J (Birmingham U.)
The ATLAS first-level calorimeter trigger is a hardware-based system designed to identify high-E$_T$ jets, electron/photon and $ au$ candidates and to measure total and missing E$_T$ in the ATLAS calorimeters. [...]
ATL-DAQ-PROC-2010-039. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1753.
W and Z Production in pp Collisions at 7TeV with ATLAS / Prasad, S (Harvard U.)
Measurements of W and Z cross-sections in pp collisions at ECM = 7TeV are reported from the ATLAS experiment. [...]
ATL-PHYS-PROC-2010-101. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1754.
$W$ and $Z$ Production in $pp$ Collisions at 7 TeV with the ATLAS Experiment at the LHC / Martinez Outschoorn, V.I. (Harvard U.)
The observation of W→lν and Z→ll (l=e,μ) bosons and a measurement of the production cross sections in proton proton collisions at ECM = 7 TeV are presented using data from the ATLAS experiment at the LHC. [...]
arXiv:1011.0164 ; ATL-PHYS-PROC-2010-102. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Preprint
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1755.
A 16:1 Serializer ASIC for Data Transmission at 5 Gbps / Gong, D (Southern Methodist U.)
A high speed, low power 16:1 serializer has been developed with a commercial 0.25 μm silicon-on-sapphire CMOS technology. [...]
ATL-LARG-PROC-2010-014. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1756.
A 4.9-GHz Low Power, Low Jitter, LC Phase Locked Loop / Liu, Tiankuan (Southern Methodist U.)
This paper present a low power, low jitter LC phase locked loop (PLL) which has been designed and fabricated in a commercial 0.25-µm Silicon-on-Sapphire CMOS technology. [...]
arXiv:2202.05730 ; ATL-LARG-PROC-2010-015 ; ATL-COM-LARG-2010-043. - 2010. - 6 p.
Fulltext - Full text - Fulltext
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1757.
Optical Links for ATLAS Liquid Argon Calorimeter Front-end Electronics Readout / Liu, Tiankuan (Southern Methodist U.)
We present optical data links for the ATLAS liquid argon calorimeter. [...]
arXiv:2202.05733. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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1758.
ATLAS calorimeter results / Monnier, E (Marseille, CPPM)
This report presents results obtained with the ATLAS detector. [...]
ATL-PHYS-PROC-2010-103. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1759.
ATLAS Sensitivity Prospects for 1 Higgs Boson Production at the LHC Running at 7, 8 or 9 TeV
Projections for the ATLAS sensitivity to the Standard Model boson from LHC running at 7 and 8 TeV are reported. [...]
ATL-PHYS-PUB-2010-015. - 2010. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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1760.
Commissioning and Performance of the ATLAS Calorimeter System with Proton Collisions at the LHC / Pralavorio, P (Marseille, CPPM)
ATLAS is a general purpose detector located on the CERN Large Hadron Collider (LHC) which recorded its first proton-proton collisions at the end of 2009. [...]
ATL-PHYS-PROC-2010-104. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1761.
Commissioning and Performance of the ATLAS muon, electron, tau and B-physics triggers with 7 TeV collisions at the LHC / Anduaga, X (La Plata U.)
In order to cope with the large rate of proton collisions at the LHC, the ATLAS experiment is equipped with a complex three level trigger system, where the first level (L1) is implemented in custom built hardware and the two successive levels (referred together as High Level Triggers - HLT) are software selection algorithms running on large PC farms. [...]
ATL-DAQ-PROC-2010-040. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1762.
Development and Online Operation of Minimum Bias Triggers in ATLAS / Martin, T A D (Birmingham U.)
Since the restart of the LHC in November 2009, ATLAS has recorded inelastic $p - p$ collisions to perform first measurements on charged particle multiplicities. [...]
ATL-DAQ-PROC-2010-041. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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1763.
Performance of the ATLAS Detector and its Electronics under First Beam Conditions / Pauly, Thilo (CERN)
Since spring 2010 the LHC delivers proton-proton collisions at a centre-of-mass energy of 7 TeV, marking the start of its high-energy physics program. [...]
ATL-DAQ-PROC-2010-042. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - IOP Open Access article - Full text
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1764.
Performance of the ATLAS Liquid Argon Calorimeter / Meng, Z (Taiwan, Inst. Phys. ; Shandong U.)
The Liquid Argon Calorimeter, as a part of ATLAS detector, is to measure energy of particles produced in the p-p collision at CERN Large Hadron Collider. [...]
ATL-LARG-PROC-2010-017. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1765.
Jet production cross-section and jet properties in pp at sqrt(s) = 7 TeV with the ATLAS detector / Vives, F (Barcelona, IFAE)
Making use of the excellent calorimetry of the ATLAS experiment, measurements of the cross-section for jet production and of jet properties in proton-proton interactions at sqrt(s) = 7 TeV will be presented. [...]
ATL-PHYS-PROC-2010-105. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1766.
First Results from ATLAS on QCD, Quarkonia and Heavy_Flavour Physics / Kirk, J (Rutherford)
ATLAS and the LHC are designed primarily to discover new physics such as the Higgs boson [...]
ATL-PHYS-PROC-2010-106. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1767.
Enhancement of the ATLAS Trigger System with a Hardware Tracker Finder FTK / Zhang, J (Argonne) ; Andreani, A (INFN, Milan ; Milan U.) ; Andreazza, A (INFN, Milan ; Milan U.) ; Annovi, A (Frascati) ; Beretta, M (Frascati) ; Bevacqua, V (INFN, Pisa ; Pisa U.) ; Bogdan, M (Chicago U.) ; Bossini, E (Frascati) ; Boveia, A (Chicago U.) ; Canelli, F (Chicago U. ; Fermilab) et al.
The existing three-level ATLAS trigger system is deployed to reduce the event rate from the bunch crossing rate of 40 MHz to ~200 Hz for permanent storage at the LHC design luminosity of 10^34 cm^-2 s^-1. [...]
ATL-DAQ-PROC-2010-043. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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1768.
Performance of the ATLAS Trigger Reconstruction for Minimum Bias Events, Missing Transverse Energy and Jets in pp-collisions at √s = 7 TeV / Kwee, R E (CERN ; Humboldt U., Berlin)
Since the restart of the LHC, ATLAS has successfully recorded data at √s = 0.9 and 7 TeV. [...]
ATL-DAQ-PROC-2010-044. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1769.
Alignment of the ATLAS Inner Detector tracking system / Wang, J (Taiwan, Inst. Phys.)
The ATLAS Inner Detector (ID) consists of two silicon subsystems, the Pixel detector and the Semiconductor Tracker (SCT), complemented by the Transition Radiation Tracker (TRT) composed of drift tubes. [...]
ATL-INDET-PROC-2010-035. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1770.
Early searches for new physics with $\tau$ leptons using the ATLAS detector / Ludwig, D (DESY ; U. Hamburg) /for the ATLAS collaboration
In many models of new physics the third generation plays a special role. $\tau$ leptons are a sensitive probe of new phenomena such as supersymmetry also in early LHC data at 7 TeV. [...]
ATL-PHYS-PROC-2010-107.- Geneva : CERN, 2011 - 6 p. - Published in : Nucl. Phys. B, Proc. Suppl. 218 (2011) 279-284 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 11th International Workshop on Tau Lepton Physics, Manchester, UK, 13 - 17 Sep 2010, pp.279-284
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1771.
The ATLAS Silicon Microstrip Tracker / Haefner, Petra (Munich, Max Planck Inst.)
In December 2009 the ATLAS experiment at the CERN Large Hadron Collider (LHC) recorded the first proton-proton collisions at a centre-of-mass energy of 900 GeV. [...]
ATL-INDET-PROC-2010-036. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1772.
PROJECTIONS FOR NON-SUSY SEARCHES AT THE LHC FOR 200~ $pb^{-1}$ and 1~ $fb^{-1}$ / Pedraza-Morales, MI (Wisconsin U., Madison )
We present some projections on physics beyond Standard Model except SUSY with the expected integrated luminosity of 200 pb$^{-1}$ and 1 fb$^{-1}$ in pp collisions at $sqrt{s} = 7$ TeV at the ATLAS and CMS, LHC collider experiments. [...]
ATL-PHYS-PROC-2010-108. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1773.
A novel method for ATLAS FSI alignment based on rapid, direct phase monitoring / Gibson, S M (CERN) ; Dehchar, M (Oxford U.) ; Horton, K (Oxford U.) ; Lewis, A (Oxford U.) ; Liang, Z (Oxford U.) ; Livermore, S (Oxford U.) ; Mattravers, C (Oxford U.) ; Nickerson, R B (Oxford U.)
Frequency Scanning Interferometry is a precise, multiple distance measurement technique, originally developed for ATLAS, which is suited to a variety of applications in the survey and alignment of future accelerators and particle detectors. [...]
ATL-INDET-PROC-2010-037. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1774.
Commissioning and Operation of the ATLAS Pixel Detector / Moss, J (Ohio State U.)
In December 2009 the ATLAS experiment at the CERN Large Hadron Collider (LHC) recorded the first proton-proton collisions at a center-of-mass energy of 900 GeV, and in March 2010 at the unprecedented energy of 7 TeV. [...]
ATL-INDET-PROC-2010-038. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1775.
ATLAS Tracker Upgrade: Silicon Strip Detectors for the sLHC / Koehler, M (Freiburg U.)
To extend the physics potential of the Large Hadron Colider (LHC) at CERN, upgrades of the accelerator complex and the detectors towards the Super-LHC (sLHC) are foreseen. [...]
ATL-UPGRADE-PROC-2010-007. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1776.
Commissioning of the ATLAS Muon Trigger with Beam Collisions at the LHC / Oh, A (Manchester U.)
The ATLAS experiment at CERN's Large Hadron Collider (LHC) has taken its first data with colliding beams. [...]
ATL-DAQ-PROC-2010-045. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1777.
Diffraction and central exclusive production at ATLAS / Tasevsky, Marek (Prague, Inst. Phys.)
The diffractive physics program for the ATLAS experiment with an emphasis on the central exclusive production is discussed. [...]
ATL-PHYS-PROC-2010-109. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1778.
Performance of the ATLAS tau trigger with 7 TeV collision data at the LHC / Robinson, M (Oregon U.)
Tau leptons are a fundamental ingredient in the discovery of new physics at the LHC. [...]
ATL-DAQ-PROC-2010-046. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1779.
Proposal for a readout driver card for the ATLAS Insertable B-Layer / Falchieri, D (Bologna U. ; INFN, Bologna) ; Bruni, G (INFN, Bologna) ; Bruschi, M (INFN, Bologna) ; D'Antone, I (INFN, Bologna) ; Dopke, J (Wuppertal U.) ; Flick, T (Wuppertal U.) ; Gabrielli, A (INFN, Bologna ; Bologna U.) ; Grosse-Knetter, J (Gottingen U., II. Phys. Inst.) ; Joseph, J (LNBL, Berkeley) ; Krieger, N (Gottingen U., II. Phys. Inst.) et al.
An additional inner layer for the existing ATLAS Pixel Detector, called Insertable B-Layer (IBL), is under design and it will be installed by Phase 1. [...]
ATL-INDET-PROC-2010-039. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1780.
The ATLAS Forward Physics Program / Royon, C (IRFU, SPP, Saclay)
We describe the ATLAS Forward Physics Program at low luminosity using the rapidity gap method and a dedicated detector called ALFA to tag the protons. [...]
ATL-PHYS-PROC-2010-110. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1781.
Observation of W->tau nu Decays with the ATLAS Experiment
A search for W -> tau nu decays, with the tau lepton decaying into hadrons, has been performed with the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2010-097. - 2010. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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1782.
Observation of the B± meson in the decay B± → J/ψ (μ+μ−) K± in ATLAS
The production of B± mesons is observed in ATLAS through their decay to J/ψ (μ+μ−)K±, using 3.4 pb−1 of 7 TeV LHC collisions. [...]
ATLAS-CONF-2010-098. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1783.
Simulation strategies for the LHC ATLAS experiment / Buckley, A G (Edinburgh U.)
The ATLAS experiment, operational at the new LHC collider, is fully simulated using a Geant 4-based simulation program within the ATLAS Athena framework. [...]
ATL-SOFT-PROC-2010-004. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1784.
Diagnostic Systems and Resource Utilization of the ATLAS Higher Level Trigger / Sidoti, A (Humboldt U., Berlin ; ENEA, Bologna) ; Fedorko, W (Cern) ; Ospanov, R (Pennsylvania U.) ; zur Nedden, M (Humboldt U., Berlin)
With the first year of data taking of proton-proton LHC collisions the full chain of the ATLAS Trigger and Data Acquisition System could be tested under real conditions. [...]
ATL-DAQ-PROC-2010-047. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1785.
Commissioning of the ATLAS Electron, Photon and Tau Trigger Selection / Mora Herrera, C (Geneva U.)
Since March 2010, the ATLAS experiment has been recording collisions of the Large Hadron Collider (LHC) at a center of mass energy of 7 TeV. [...]
ATL-DAQ-PROC-2010-048. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1786.
Performance of the ATLAS Transition Radiation Tracker with Cosmic Rays and First High Energy Collisions at the LHC / Degenhardt, J (Pennsylvania U.)
The ATLAS Transition Radiation Tracker (TRT) is the outermost of the three sub-systems of the ATLAS Inner Detector at the Large Hadron Collider (LHC) at CERN. [...]
ATL-INDET-PROC-2010-040. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1787.
Triggering on 7 TeV Collisions with the ATLAS High Level Trigger / Fedorko, W (Michigan State U.)
In 2010 ATLAS has seen the first proton-proton collisions at 7 TeV. [...]
ATL-DAQ-PROC-2010-049. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1788.
Muon Detection Based on a Hadronic Calorimeter / on behalf of the ATLAS TDAQ collaboration
The ATLAS Tile hadronic calorimeter (TileCal) provides highly-segmented energy measurements of incoming particles. [...]
ATL-DAQ-PROC-2010-050. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1789.
Tools for Trigger Aware Analyses in Atlas / Krasznahorkay, A (New York U.)
In order to search for rare processes, all four Large Hadron Collider experiments have to use advanced triggering methods for selecting and recording the events of interest. [...]
ATL-DAQ-PROC-2010-051. - 2010. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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1790.
ATLAS Silicon Microstrip Tracker Operation and Performance / Vankov, P (DESY)
In December 2009 the ATLAS experiment at the CERN Large Hadron Collider (LHC) recorded the first proton-proton collisions at a center-of-mass energy of 900 GeV and this was followed by the unprecedented energy of 7 TeV in March 2010. [...]
ATL-INDET-PROC-2010-041. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1791.
Reconstruction of known particle decays in proton-proton collisions at energies of 900 GeV and 7 TeV with the ATLAS Inner Detector / Di Nardo, R (INFN, Rome ; Rome U.,Tor Vergata)
The ATLAS experiment is one of two general purpose detectors at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2010-111. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1792.
Performance of Track and Vertex Reconstruction and $b$-Tagging Studies with ATLAS in pp Collisions at $\sqrt{s}$ = 7 TeV / Fleckner, J (CERN ; Mainz U.)
First 7 TeV proton-proton collisions produced by the Large Hadron Collider (LHC) at CERN have been recorded by the ATLAS experiment. [...]
ATL-PHYS-PROC-2010-112. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published Version from PoS
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1793.
Expected ATLAS Higgs Sensitivity for 1 fb-1 of data at sqrt{s}=7 TeV / Schram, M (McGill U.)
Presented in this note is the expected ATLAS sensitivity to the Standard Model (SM) and Charged Higgs boson from the LHC running at $sqrt{s}=7$ TeV for select channels. [...]
ATL-PHYS-PROC-2010-113. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1794.
Commissioning and Operation of the ATLAS Pixel Detector at the CERN LHC Collider / Djama, F (Marseille, CPPM)
Physics program at the CERN LHC collider started in autumn 2009. [...]
ATL-INDET-PROC-2010-042. - 2010. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1795.
Search strategies for charged Higgs bosons in ATLAS / Ferrari, A (Uppsala U.)
Charged Higgs bosons are predicted by various theories beyond the Standard Model, where the Higgs sector consists of more than only one doublet of scalar fields. [...]
ATL-PHYS-PROC-2010-114. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1796.
Early material studies at the ATLAS experiment / Morley, A K (CERN)
Crucial to numerous physics analyses at ATLAS is a detailed understanding of the material budget of the ATLAS Inner detector. [...]
ATL-GEN-PROC-2010-012. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published Version from PoS
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1797.
Processing, Calibration and Reprocessing of ATLAS Data from LHC Collisions at 7 TeV / Boehler, M (DESY)
The ATLAS experiment has successfully recorded, reconstructed and analyzed millions of collision events delivered by the LHC at an unprecedented centre-of-mass energy of 7 TeV. [...]
ATL-PHYS-PROC-2010-115. - 2010. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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1798.
ATLAS discovery prospects for the charged Higgs in the H+ to tau nu final state / Klemetti, M (McGill U.)
In the Minimal Super-Symmetric model (MSSM), the decay H+ to tau nu can be a dominant decay channel for the light (m(H+) < m(top) ) charged Higgs boson. [...]
ATL-PHYS-PROC-2010-116. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1799.
Searches for Exotic Long-lived Particles using Early Data from the ATLAS Detector at the LHC / Salvatore, F (Sussex U.)
Exotic heavy long-lived particles are predicted in a range of theories which extend the Standard Model. [...]
ATL-PHYS-PROC-2010-117. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1800.
Measurement of D-mesons production at LHC with ATLAS / Gladilin, L K (SINP, Moscow)
The D*±, D± and Ds± charm mesons were reconstructed in the range of transverse momentum pT(D(*)) &gt; 3.5 GeV and pseudorapidity |η(D(*))| &lt; 2.1 in data corresponded to an integrated luminosity of 1.4 nb−1. [...]
ATL-PHYS-PROC-2010-118. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1801.
Identified particle production in inelastic pp events with the ATLAS detector / Gladilin, L K (SINP, Moscow)
Various strange and charm hadrons were reconstructed with the ATLAS detector in pp collisions at sqrt{s}=7 TeV. [...]
ATL-PHYS-PROC-2010-119. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1802.
ATLAS results from pp collisions at the LHC / Andreazza, A (INFN, Milan)
The ATLAS detector has collected more than 11 pb−1 of data on pp collisions at sqrt(s) = 7 TeV, at the LHC. [...]
ATL-PHYS-PROC-2010-120. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1803.
Isolated charged hadron response and determination of the jet energy scale uncertainty with the ATLAS detector / Vivarelli, I (Freiburg U.)
The ATLAS calorimeter response to single charged hadron has been measured for hadrons with momenta up to ∼ 20 GeV using about 300 µb− 1 of proton proton collisions at a center of mass energy √s=7 TeV up to |η| &lt; 2.3. [...]
ATL-PHYS-PROC-2010-121. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1804.
ATLAS Monte Carlo tunes to LHC data / Buckley, A G (Edinburgh U.)
Tunes of the PYTHIA and HERWIG/JIMMY Monte Carlo event generators to the first measurements from the LHC are presented, based on data collected at center-of-mass energies of 900 GeV and 7 TeV. [...]
ATL-PHYS-PROC-2010-122. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1805.
ATLAS Computing: From Commissioning to 7TeV Data / Stewart, G A (Glasgow U.)
In this paper we summarise ATLAS operations from the STEP09 campaign in June 2009 through to ATLAS taking data in the first 7 TeV collisions at the LHC in 2010. [...]
ATL-SOFT-PROC-2010-005. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1806.
ATLAS Electroweak results / Salamanna, G (NIKHEF, Amsterdam)
{We present the first results on electroweak physics obtained by the ATLAS experiment at the CERN Large Hadron Collider (LHC), using $p-p$ collisions at a centre-of-mass energy of 7 TeV. [...]
ATL-PHYS-PROC-2010-123. - 2010. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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1807.
Performance of the ATLAS Trigger with Proton Collisions at the LHC / Baines, J T M (Rutherford)
The ATLAS trigger has been used very successfully to collect collision data during 2009 and 2010 LHC running at centre of mass energies of 900 GeV, 2.36 TeV, and 7 TeV. [...]
ATL-DAQ-PROC-2010-052. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1808.
Performance of jet reconstruction and calibration in 1 first ATLAS data at a centre-of-mass energy of 7 TeV / Eckweiler, S (Mainz U.)
We report on first results of jet reconstruction and jet calibration in proton-proton collisions produced at a centre-of-mass energy of 7 TeV at the LHC [...]
ATL-PHYS-PROC-2010-124. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1809.
Operation of the ATLAS detector with first collisions at 7 TeV at the LHC / Onyisi, P (Chicago U.)
The ATLAS experiment has successfully recorded over 300 nb^-1 of pp collisions at 7 TeV provided by the Large Hadron Collider, with an efficiency of 94%. [...]
ATL-GEN-PROC-2010-013. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1810.
ATLAS Data Quality Monitoring: Experience with First Collision Data / Waller, P (Liverpool U.)
It is essential to get quick feedback at all stages of the collection and reconstruction of particle physics data, and to correctly record quality decisions to ensure that only good data are used to obtain physics results. [...]
ATL-DAPR-PROC-2010-001. - 2010. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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1811.
Top quark pair production in ATLAS / Moreno Llacer, M (Valencia U., IFIC)
The Large Hadron Collider (LHC) is a top quark factory. [...]
ATL-PHYS-PROC-2010-125. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1812.
The ATLAS High Level Trigger Configuration and Steering Software: Experience with 7 TeV Collisions / George, S (Royal Holloway, U. of London)
In 2010 ATLAS has seen the first proton-proton collisions at 7 TeV. [...]
ATL-DAQ-PROC-2010-053. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1813.
Understanding Jet Structure and Constituents: Track Jets and Jet Shapes at ATLAS / Zenz, Seth (UC, Berkeley ; LBNL, Berkeley)
The ATLAS Detector at the Large Hadron Collider has begun to take proton-proton collision data, and an understanding of hadronic jets and their substructure is an important part of its early physics program. [...]
ATL-PHYS-PROC-2010-126. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1814.
Inclusive Searches for Supersymmetry with Leptons with the ATLAS detector / Horner, S (Freiburg U.)
Using the first 70±8 nb−1 of integrated luminosity from 7 TeV proton-proton collisions collected by the ATLAS detector distributions of events containing two or more jets, missing transverse energy and at least one isolated electron or muon are analyzed in a search for new physics. [...]
ATL-PHYS-PROC-2010-127. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1815.
ATLAS Tracking and Vertexing Performance / Cooper, B D (Queen Mary, U. of London)
In these proceedings are presented a selection of studies which investigate the charged particle tracking and vertexing performance of the ATLAS Inner Detector. [...]
ATL-PHYS-PROC-2010-128. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1816.
Tau reconstruction and identification with 7 TeV collisions in ATLAS / Kaczmarska, A (Cracow, INP)
The first LHC collisions at a centre-of-mass energy of sqrt{s}=7 TeV recorded with the ATLAS detector are used to study the reconstruction and identification algorithms for hadronic tau decays. [...]
ATL-PHYS-PROC-2010-129. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1817.
SM Higgs boson searches in the early ATLAS data / Tsukerman, I. (Moscow, ITEP)
ATLAS exclusion and discovery potentials of Standard Model Higgs boson searches at the LHC at 14 TeV, 10 TeV and 7 TeV center-of-mass energy are reviewed. [...]
arXiv:1012.0694 ; ATL-PHYS-PROC-2010-130. - 2010. - 6 p.
Preprint - Original Communication (restricted to ATLAS) - Full text - Full text - Fulltext
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1818.
Rare B Decays: Results and Prospects in ATLAS / Sipica, V (Siegen U.)
Searches of processes beyond the Standard Model (SM) are among the main topics of interest at the ATLAS experiment. [...]
ATL-PHYS-PROC-2010-131. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1819.
Performance of the missing transverse energy reconstruction in first ATLAS data at a center-of-mass energy of 7 TeV / Olariu, A (Bucharest, IFIN-HH ; Marseille, CPPM)
The performance of the missing transverse energy (Etmiss) reconstructed with the ATLAS detector is assessed using a sample of proton-proton collisions at a centre-of-mass energy of 7 TeV collected in April and May 2010. [...]
ATL-PHYS-PROC-2010-132. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1820.
ATLAS status, operation and performance / Smirnova, Lidia (SINP, Moscow)
In 2010 detector ATLAS was completely functional with 3.5 TeV proton beam collisions. [...]
ATL-GEN-PROC-2010-014. - 2010. - 19 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - Full text
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1821.
Electron and Photon Performance and Electron pt Spectrum Measurement with ATLAS in pp Collisions at sqrt{s} = 7 TeV / Snyder, Scott (Brookhaven)
We discuss the early performance of the reconstruction of electrons and photons at ATLAS with a center-of-mass energy of 7 TeV. [...]
arXiv:1012.0554 ; ATL-PHYS-PROC-2010-133. - 2010. - 4 p.
Proceedings of Science Server - Preprint - Fulltext - Fulltext - Full text
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1822.
Jet production cross section and jet properties in pp collisions at sqrt{s} = 7TeV with the ATLAS detector / Zinonos, Z (Pisa U. ; INFN, Pisa)
Jet cross sections have been measured with the ATLAS detector for the first time in proton-proton collisions at center-of-mass energy of $7~ eraelectronvolt$. [...]
ATL-PHYS-PROC-2010-134. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1823.
Measurement of Jet Cross Section and Fragmentation Using Tracks with the ATLAS Detector / Zenz, Seth (UC, Berkeley ; LBL, Berkeley)
Jets are identified and their properties studied using tracks measured by the ATLAS Inner Detector. [...]
ATL-PHYS-PROC-2010-135. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1824.
Commissioning of the ATLAS Jet and Missing Energy Triggers with Beam collisions at the LHC / Zhao, L (New York U.) ; Beachemin, PH (Oxford U.)
We present the algorithms constituting the ATLAS jet and Missing Transverse Energy (MET) triggers and summarize the performance studies that have been made for these triggers with the 7 TeV early LHC collision data. [...]
ATL-DAQ-PROC-2010-054. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1825.
Commissioning and Performance of the ATLAS Inner Detector with proton-proton Collisions at the LHC / Limosani, A (Melbourne U.)
The ATLAS Inner Detector is a composite tracking system consisting of silicon pixels, silicon strips and straw tubes in a 2 T magnetic field. [...]
ATL-INDET-PROC-2010-046. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1826.
Dijet Angular Distributions at the ATLAS Experiment / DeViveiros, Pier-Olivier (Toronto U.)
Dijet angular distributions from the first proton-proton collisions at 7 TeV have been measured with the ATLAS detector at the LHC. [...]
arXiv:1012.1309 ; ATL-PHYS-PROC-2010-136. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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1827.
Experimental and Physics Prospects at ATLAS and CMS – 2011 and Beyond / Clark, A (Geneva U.)
The ATLAS and CMS experiments have collected data at the CERN Large Hadron Collider (LHC) since December 2009, and with a collision energy √s=7 TeV since March 2010. [...]
ATL-GEN-PROC-2010-015. - 2010. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1828.
Performance of Jet, Missing Transverse Energy and Tau Reconstruction with ATLAS in pp Collisions at $\sqrt{s}$ = 7 TeV / Schwartzman, A (SLAC)
Preliminary results of jet, missing transverse energy, and tau reconstruction and calibration with the ATLAS detector form proton-proton collisions at sqrt(s)=7 TeV are presented. [...]
ATL-PHYS-PROC-2010-137. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1829.
Calibrating the $b$-Tag and Mistag Efficiencies of the SV0 $b$-Tagging Algorithm in 3~pb$^{-1}$ of Data with the ATLAS Detector
The $b$-tag and mistag efficiencies of the secondary vertex $b$-tagging algorithm (SV0) have been measured on data. [...]
ATLAS-CONF-2010-099. - 2010.
Original Communication (restricted to ATLAS) - Full text
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1830.
Measurement of W and Z production at $\sqrt{s}$ = 7 TeV with the ATLAS detector / Serin, L (Orsay, LAL ; CERN)
In spring 2010, the LHC has delivered its first proton-proton collisions at a centre of mass of 7 TeV. [...]
ATL-PHYS-PROC-2010-138. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published Version from PoS
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1831.
Underlying Event Studies at ATLAS and CDF / Kar, D (Dresden, Tech. U.)
Improving our understanding and modeling of the underlying event in high energy collider environment is important for more precise measurements at the LHC. [...]
ATL-PHYS-PROC-2010-139. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1832.
Minimum Bias Trigger in ATLAS / Kwee, R E (CERN ; Humboldt U., Berlin)
Since the restart of the LHC in November 2009, ATLAS has collected inelastic pp-collisions to perform first measurements on charged particle densities. [...]
ATL-DAQ-PROC-2010-055. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1833.
A revised design and implementation of the ATLAS Log Service package / Murillo García, R (UC, Irvine) ; Lehmann Miotto, G (CERN)
This paper presents a revised design and implementation of the Log Service for the ATLAS Trigger and Data Acquisition (TDAQ) framework at CERN. [...]
ATL-DAQ-PROC-2010-056. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1834.
Search for New Particles in 2-Jet Final States in 7 TeV Proton-Proton Collisions with the ATLAS Detector at the LHC / Cheung, Sing-Leung (Toronto U.)
A search for new heavy particles manifested as resonances in two-jet final states is presented. [...]
ATL-PHYS-PROC-2010-140 ; arXiv:1012.1830. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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1835.
ATLAS Higgs Sensitivity for 1fb$^{-1}$ of data at the LHC running at 7 TeV / Masubuchi, T (Tokyo U., ICEPP)
The Standard Model Higgs discovery potential of ATLAS for each independent final state, such as photon, $W$ and $Z$ boson pairs, as well as for combined channels, is reported. [...]
ATL-PHYS-PROC-2010-141. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1836.
High pT: EWK and QCD results from ATLAS / Alonso, A (Lund U.)
By August 2010 the ATLAS detector had collected more than 3 nb−1 at √s = 7 TeV of data. [...]
ATL-PHYS-PROC-2010-142. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1837.
Performance of the ATLAS Transition Radiation Tracker with Cosmic Rays and First High Energy Collisions at LHC / Mashinistov, R (Lebedev Inst.)
The ATLAS Transition Radiation Tracker (TRT) is the outermost of the three sub-systems of the ATLAS Inner Detector at the Large Hadron Collider (LHC) at CERN. [...]
ATL-INDET-PROC-2010-043. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1838.
3D-FBK Pixel sensors: recent beam tests results with irradiated devices / The ATLAS collaboration
The Pixel detector is the innermost part of the ATLAS experiment tracking device at the Large Hadron Collider (LHC), and plays a key role in the reconstruction of the primary and secondary vertices of short-lived particles. [...]
ATL-INDET-PROC-2010-044. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1839.
Systematics in charged Higgs search in ATLAS / Gentile, S (Rome U. ; INFN, Rome)
The charged light MH+ &lt;Mtop MSSM Higgs boson production via t-&gt;bH+ and the subsequent decay into H+-&gt;csbar or H+ -&gt;taunu has been studied for the ATLAS experiment. [...]
ATL-PHYS-PROC-2010-143. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1840.
Performance of the ATLAS Muon Spectrometer and Muon Identification / Woudstra, MJ (Massachusetts U., Amherst)
The large cosmic data samples collected in 2008 and 2009 by the ATLAS experiment have been used to study the performance of the muon spectrometer. [...]
ATL-PHYS-PROC-2010-144. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1841.
Performance of the ATLAS Tau Trigger system with 7 TeV pp collisions at the LHC / Xella, S (Bohr Inst.)
The LHC has started operation and roughly provided 60 nb$^{-1}$ of 7 TeV proton-proton collisions in the period March-June 2010. [...]
ATL-DAQ-PROC-2010-057. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1842.
Jet production cross-section in proton proton collisions at $\sqrt{s}$ = 7 TeV measured with the ATLAS detector / Carli, T (CERN)
Jet production cross sections have been measured for the first time in proton-proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS detector. [...]
ATL-PHYS-PROC-2010-145. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published Version from PoS
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1843.
Performance of the ATLAS Beam Diagnostic Systems / Macek, B (Stefan Inst., Ljubljana)
The beam diagnostic system of the ATLAS detector comprises two diamond sensor based devices. [...]
ATL-INDET-PROC-2010-045. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1844.
Study of charged particle correlations and underlying events with the ATLAS detector / Bélanger-Champagne, C (Uppsala U.)
Recent ATLAS measurements of underlying event properties and charged particle angular correlations are reviewed. [...]
ATL-PHYS-PROC-2010-146. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1845.
Status of the ATLAS experiment / Orestano, D (Rome III U.)
The ATLAS Experiment at the CERN Large Hadron Collider was operated with colliding proton beams at 7 TeV center of mass energy since March 2010. [...]
ATL-GEN-PROC-2010-016. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1846.
ATLAS status, operation and performance / Solodkov, A (Serpukhov, IHEP)
Since March 30th ATLAS detector has been successfully collecting data during the first LHC run at sqrt(s) = 7 TeV. [...]
ATL-PHYS-PROC-2010-147. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1847.
Early W and Z Measurements at ATLAS / Mills, C (Harvard U.)
The first measurements of the W and Z cross sections in pp collisions at sqrt{s} = 7 TeV using the ATLAS detector at the Large Hadron Collider (LHC) have been completed. [...]
ATL-PHYS-PROC-2010-148. - 2010. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1848.
ATLAS Physics Prospects for 2010-2011 / Maleev, V (St. Petersburg, INP)
The ATLAS experiment is aimed at the exploitation of the full physics potential of LHC. [...]
ATL-GEN-PROC-2010-017. - 2010. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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1849.
ttbar backgrounds in charged Higgs boson searches / Flechl, M (Freiburg U.)
Top quark pair production is the main background for searches in most charged Higgs boson channels. [...]
ATL-PHYS-PROC-2010-149. - 2010. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1850.
Soft muon tagging and Dstar/mu correlations in 7 TeV collisions with ATLAS
Muons from the semi-leptonic decay of bottom quarks offer several opportunities to study b-tagging in jets. [...]
ATLAS-CONF-2010-100. - 2010. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1851.
A Serializer ASIC for High Speed Data Transmission in Cryogenic and HiRel Environment / Liu, T (Southern Methodist U.)
A high speed 16:1 serializer ASIC has been developed using a commercial 0.25 μm silicon-on-sapphire CMOS technology. [...]
ATL-LARG-PROC-2010-018. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1852.
Minimum Bias and Underlying Event studies with a Monte Carlo tune for pp events with the ATLAS detector / Nurse, E (University Coll. London)
Charged particle distributions from p p collisions at 0.9 and 7 TeV measured with the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2010-150. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1853.
J/$\psi \to \mu\mu$ from 7 TeV pp collisions in ATLAS: physics with the first data / Nelson, A (Iowa State U.)
ATLAS has a rich charmonium and beauty physics programme. [...]
ATL-PHYS-PROC-2010-151. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1854.
Performance of the Liquid Argon Calorimeter / Arfaoui, S (CERN)
The Liquid Argon calorimeter (LAr) is a key detector component in the ATLAS experiment at the LHC. [...]
ATL-LARG-PROC-2010-019. - 2010. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1855.
The tracking performance of the ATLAS High Level Trigger in pp collisions at the LHC / Christidi, I A (University Coll. London)
At the design luminosity, the Large Hadron Collider will have a bunch crossing rate of 40 MHz with up to 25 separate pp interactions per bunch crossing. [...]
ATL-DAQ-PROC-2010-058. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1856.
Central charged-particle multiplicities in pp interactions with |$eta$| < 0.8 and pt > 0.5 and 1 GeV measured with the ATLAS detector at the LHC
This note presents the results of the analysis of charged-particle spectra from proton-proton collisions at $\sqrt{s}$ = 0.9 TeV and 7 TeV in a restricted phase-space with respect to the nominal analysis [1] in order be able to directly compare the measurements with the results from other LHC experiments. [...]
ATLAS-CONF-2010-101. - 2010. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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1857.
Measurement of the Rate of Collisions from Satellite Bunches for the April-May 2010 LHC Luminosity Calibration
The LHC luminosity measurement relies on a precise determination of the beam currents contributing to colliding bunch pairs. [...]
ATLAS-CONF-2010-102. - 2010. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1858.
Tau trigger and tau reconstruction, efficiency and fake rates in ATLAS / Coadou, Y (Marseille, CPPM)
Tau leptons will play an important role in the physics program at the LHC. [...]
ATL-PHYS-PROC-2010-152. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1859.
Higgs searches at the LHC / Nakamura, K (Tokyo U., ICEPP)
During the operation at the center-of-mass energy of 7~TeV, the LHC is expected to deliver up to 1~fb$^{-1}$ of $pp$ collision data by the end of 2011. [...]
ATL-PHYS-PROC-2010-153. - 2010. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1860.
First Results from ATLAS on W and Z Boson Production in proton-proton Collisions at $\sqrt{s}$=7,$TeV / Kretzschmar, J (Liverpool U.)
First measurements by the ATLAS experiment are presented of the W and Z production cross section. [...]
ATL-PHYS-PROC-2010-154. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1861.
Early searches for new physics with the ATLAS detector DETECTOR / Sedykh, E (St. Petersburg, INP)
The ATLAS detector has been used to search for high-mass states, such as new heavy charged gauge bosons W', decaying to an electron plus missing energy, and narrow resonances in two-jet final states, formed by the decay of excited quarks (q*) predicted in a quark composite model. [...]
ATL-PHYS-PROC-2010-155. - 2010. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1862.
Jet production cross-section and jet properties in pp at sqrt(s) = 7 TeV with the ATLAS detector / Fullana, E (CERN)
Jet cross sections have been measured in proton-proton collisions at a centre-of-mass energy of 7~TeV using the ATLAS detector. [...]
ATL-PHYS-PROC-2010-156. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1863.
Electron and Photon Reconstruction and Identification with the ATLAS Detector / Kuna, M (Marseille, CPPM)
This article presents the electron and photon reconstruction performance in ATLAS with the first LHC collision data at $sqrt{s}$~=~7~TeV collected up to the beginning of June 2010. [...]
ATL-GEN-PROC-2010-018. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1864.
Soft QCD in ATLAS: Minimum bias and diffraction studies / Sarkisyan-Grinbaum, EK (Texas U., Arlington)
We present measurements on charged particle production in proton-proton collisions at centre-of-mass energies of root(s)= 0.9, 2.36 and 7 TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2011-001. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1865.
ATLAS Tracker Upgrade: Silicon Strip Detectors for the sLHC / Dawson, I (Sheffield U.)
A future upgrade of the LHC at CERN is foreseen which would extend its physics reach by increasing significantly the luminosity delivered to the experiments. [...]
ATL-UPGRADE-PROC-2011-001. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1866.
Underlying Event studies and Charged particle multiplicities in inelastic pp events with the ATLAS detector / Behera, P (Iowa U.)
Underlying Event studies and Charged particle multiplicities in inelastic pp events with the ATLAS detector
ATL-PHYS-PROC-2011-002. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1867.
W+jets backgrounds in charged Higgs searches with the ATLAS experiment at the LHC / Tarrade, F (Brookhaven)
W+jets events with one lepton in the final state could be an important background for charged Higgs boson searches. [...]
ATL-PHYS-PROC-2011-003. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1868.
Inclusive Searches for Supersymmetry with Jets and Missing Transverse Energy with the ATLAS Detector / Vranjes Milosavljevic, M (Belgrade, Inst. Phys.)
This document summarizes a first set of measurements of most important kinematical variables for SUSY searches in the final states with jets and missing transverse momentum from the $sqrt{s}=7TeV$ proton-proton collisions at the LHC. [...]
ATL-PHYS-PROC-2011-004. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1869.
J/ψ →μ+μ− from 7 TeV pp collisions in ATLAS: performance with first data / Korn, A (LBL, Berkeley)
Starting early 2010 the Large Hadron Collider (LHC) has been colliding protons on protons at a center of mass energy of 7 TeV. [...]
ATL-PHYS-PROC-2011-005. - 2010. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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1870.
ATLAS Upgrade: meeting the challenges of the sLHC / Loginov, A (Yale U.)
With the Large Hadron Collider (LHC) providing pp collisions data at sqrt(s)=7 TeV, plans are already advancing for a series of upgrades leading eventually to about 5 x 10^{34} cm-2 s-1 some ten years from now in the super-LHC (sLHC) project. [...]
ATL-UPGRADE-PROC-2011-002. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1871.
Commissioning of the ATLAS Muon High Level Trigger with beam collisions at the LHC / Kanno, T (Tokyo Inst. Tech.)
The performance of the ATLAS muon trigger has been evaluated using data from proton-proton collisions at sqrt(s) = 7 TeV with a total integrated luminosity of approximately 94 nb^−1. [...]
ATL-DAQ-PROC-2011-001. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1872.
ARC and gLite interoperability in ATLAS sites / Filipcic, A (Stefan Inst., Ljubljana) ; Gadomski, S (Geneva U.) ; Haug, S (Bern U.)
In the Worldwide Large Hadron Collider Computing Grid several sites deploy both gLite and ARC middlewares. [...]
ATL-SOFT-PROC-2011-001. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1873.
The ATLAS PanDA Monitoring System and its Evolution / Klimentov, A (Brookhaven Natl. Lab.) ; Nevski, P (Brookhaven Natl. Lab.) ; Potekhin, M (Brookhaven Natl. Lab.) ; Wenaus, T (Brookhaven Natl. Lab.)
The PanDA (Production and Distributed Analysis) Workload Management System is used for ATLAS distributed production and analysis worldwide. [...]
ATL-SOFT-PROC-2011-002. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1874.
Using TAGs to Speed up the ATLAS Analysis Process / for the ATLAS collaboration
In the ATLAS experiment, Tag Data, or short TAG, are event-level metadata -- thumbnail information about events to support efficient identification and selection of events of interest to a given analysis. [...]
ATL-SOFT-PROC-2011-003. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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1875.
Atlas operation in the GridKa Tier1/Tier2 Cloud / Nderitu, S (Bonn U.) ; Walker, R (Munich U.) ; Duckeck, G (Munich U.) ; Serfon, C (Munich U.) ; Petzold, A (Karlsruhe U.) ; Harenberg, T (Wuppertal U.) ; Schultes, J (Wuppertal U.) ; Kawamura, G (Mainz U.) ; Sundermann, J (Freiburg U.) ; Meyer, J (Gottingen U.) et al.
The ATLAS GridKa cloud consists of the GridKa Tier1 centre and 12 Tier2 sites from five countries associated to it. [...]
ATL-SOFT-PROC-2011-004. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1876.
Commissioning of ATLAS Data Quality Infrastructure with First Collision Data / Frost, J A (Cambridge U.)
During particle physics data taking, the data being recorded must be monitored and checked continuously and promptly. [...]
ATL-SOFT-PROC-2011-005. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1877.
The consistency service of the ATLAS Distributed Data Management system / Serfon, C (Munich U.) ; Garonne, V (CERN)
With the continuously increasing volume of data produced by ATLAS and stored on the WLCG sites, the probability of data corruption or data losses, due to software and hardware failures is increasing. [...]
ATL-SOFT-PROC-2011-006. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1878.
Data-driven auto-configuration of the ATLAS reconstruction software / Boehler, M (DESY)
The central data reconstruction of the ATLAS experiment of LHC is a very challenging task, involving large-scale computing and a wide variety of data formats, applications and software versions. [...]
ATL-SOFT-PROC-2011-007. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1879.
H->tau tau and H->tau nu with the ATLAS Detector at the LHC / Goncalo, R (Royal Holloway, U. of London)
The discovery and study of the source of electroweak symmetry breaking, usually explained through the Higgs mechanism, is one of the main goals of the ATLAS experiment, operating at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2011-006. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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1880.
Online remote monitoring facilities for the ATLAS experiment / Kolos, S (UC, Irvine) ; Alexandrov, E (Dubna, JINR) ; Feng, E (Chicago U., EFI) ; Hauser, R (Michigan State U.) ; Yakovlev, A (Dubna, JINR) ; Zaytsev, A (Novosibirsk, IYF)
ATLAS is one of the 4 LHC experiments which started to be operated in the collisions mode in 2010. [...]
ATL-DAQ-PROC-2011-002. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1881.
FATRAS - the ATLAS Fast Track Simulation project / Mechnich, J (NIKHEF, Amsterdam)
The Monte Carlo simulation of the detector response is an integral component of any analysis performed with data from the LHC experiments. [...]
ATL-SOFT-PROC-2011-008. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1882.
1 The German National Analysis Facility as a tool for ATLAS analyses / Mehlhase, S (DESY) ; Ehrenfeld, W (DESY) ; Leffhalm, K (DESY)
In 2008 the German National Analysis Facility (NAF) at DESY was established. [...]
ATL-SOFT-PROC-2011-009. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1883.
Usage of Message Queueing Technologies in the ATLAS Distributed Data Management System / Calfayan, P (Munich U.) ; Dongsong, Z (Beijing, Inst. High Energy Phys.) ; Garonne, V (CERN)
The ATLAS Distributed Data Management system is composed of semi-autonomous, heterogeneous, and independently designed subsystems. [...]
ATL-SOFT-PROC-2011-010. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1884.
Reinforcing user data analysis with Ganga in the LHC era: scalability, monitoring and user-support. / Brochu, F (Cambridge U.) ; Dzhunov, I (CERN) ; Ebke, J (Munich U.) ; Egede, U (Imperial Coll., London) ; Elmsheuser, J (Munich U.) ; Jha, M K (INFN, Bologna) ; Kokoszkiewicz, L (CERN) ; Lee, H C (NIKHEF, Amsterdam) ; Maier, A (CERN) ; Moscicki, J (CERN) et al.
Ganga is a grid job submission and management system widely used in the ATLAS and LHCb experiments and several other communities in the context of the EGEE project. [...]
ATL-SOFT-PROC-2011-011. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1885.
Software release build process and components in ATLAS offline - proceedings for CHEP2010 / Obreshkov, Emil (DESY)
ATLAS is one of the largest collaborations in the physical sciences and involves 3000 scientists and engineers from 174 institutions in 38 countries [...]
ATL-SOFT-PROC-2011-012. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1886.
Experience with PROOF-Lite in ATLAS data analysis / Panitkin, S (Brookhaven Natl. Lab.) ; Hollowell, C (Brookhaven Natl. Lab.) ; Ma, H (Brookhaven Natl. Lab.) ; Ye, S (Brookhaven Natl. Lab.)
We discuss our experience with PROOF-Lite in a context of ATLAS Collaboration physics analysis of data obtained during the LHC physics run of 2009-2010. [...]
ATL-SOFT-PROC-2011-013. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1887.
ATLAS Distributed Computing Operations Shift Team Experience / De, K (Texas U., Arlington) ; Espinal, X (Barcelona, IFAE) ; Forti, A (Manchester U.) ; Korolkova, E (Sheffield U.) ; Leffhalm, K (DESY) ; Love, P A (Lancaster U.) ; Schovancova, J (Prague, Inst. Phys.) ; Smirnov, Y (Brookhaven Natl. Lab.)
Description of ATLAS Distributed Computing Operations Shift (ADCoS) duties and available monitoring tools along with the operational experience is presented in this paper..
ATL-SOFT-PROC-2011-014. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1888.
PanDA Pilot Submission using Condor-G: Experience and Improvements / Zhao, X (Brookhaven Natl. Lab.) ; Hover, J (Brookhaven Natl. Lab.) ; Wlodek, T (Brookhaven Natl. Lab.) ; Wenaus, T (Brookhaven Natl. Lab.) ; Frey, J (Wisconsin U., Madison) ; Tannenbaum, T (Wisconsin U., Madison) ; Livny, M (Wisconsin U., Madison)
PanDA (Production and Distributed Analysis) is the workload management system of the ATLAS experiment, used to run managed production and user analysis jobs on the grid. [...]
ATL-SOFT-PROC-2011-015. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1889.
Simulation Strategies for the ATLAS Experiment at LHC / Rimoldi, A (Pavia U. ; INFN, Pavia)
The ATLAS experiment, operational at the new LHC collider, is fully simulated using the Geant4 tool. [...]
ATL-SOFT-PROC-2011-016. - 2011. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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1890.
Operating the ATLAS data-flow system with the first LHC collisions. / Garelli, N (CERN)
In this paper we will report on the operation and the performance of the ATLAS data-flow system during the 2010 physics run of the Large Hadron Collider (LHC) at 7TeV. [...]
ATL-DAQ-PROC-2011-003. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1891.
Very Forward Calorimetry at the LHC - Recent results from ATLAS / White, S N (Brookhaven Natl. Lab.)
We present first results from the ATLAS Zero Degree Calorimeters (ZDC) based on 7 TeV pp collision data recorded in 2010. [...]
ATL-LUM-PROC-2011-001. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1892.
Glance Information System for ATLAS Management / De Oliveira Fernandes Moraes, L (U. Fed. Rio de Janeiro) ; Maidantchik, C (U. Fed. Rio de Janeiro) ; Ramos De Azevedo Evora, LH (U. Fed. Rio de Janeiro) ; Karam, K (U. Fed. Rio de Janeiro) ; Fink Grael, F (U. Fed. Rio de Janeiro) ; Pommes, K (CERN) ; Nessi, M (CERN) ; Cirilli, M (CERN)
ATLAS Experiment is an international collaboration where more than 37 countries, 172 institutes and laboratories, 2900 physicists, engineers, and computer scientists plus 700 students participate. [...]
ATL-SOFT-PROC-2011-017. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1893.
Optimization and performance measurements of ROOT-based data formats in the ATLAS experiment / Vukotic, I (Orsay, LAL) ; Bhimji, W ; Biscarat, C ; Brandt, G ; Duckeck, G ; van Gemmeren, P ; Peters, A ; Schaffer, RD
The interplay of the ATLAS persistent event data model and the ROOT based I/O backend was studied in order to improve the read performance and disk size of ATLAS data formats for simulation, reconstruction and data analysis. [...]
ATL-SOFT-PROC-2011-027. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1894.
Iberian ATLAS Cloud response during the first LHC collisions / Villaplana, M (Valencia U., IFIC) ; Amorós, G (Valencia U., IFIC) ; Borges, G (LIP, Lisbon) ; Borrego, C (Barcelona, IFAE) ; Carvalho, J (LIP, Coimbra) ; David, M (LIP, Lisbon) ; Espinal, X (Barcelona, IFAE) ; Fernández, A (Valencia U., IFIC) ; Gomes, J (LIP, Coimbra) ; González de la Hoz, S (Valencia U., IFIC) et al.
The computing model of the ATLAS experiment at the LHC (Large Hadron Collider) is based on a tiered hierarchy that ranges from Tier0 (CERN) down to end-user's own resources (Tier3). [...]
ATL-SOFT-PROC-2011-018. - 2011. - 6 p.
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1895.
Prompt reconstruction of LHC collision data with the ATLAS reconstruction software / Barlow, N (Cambridge U.)
Since the start of LHC operations in November 2009, the ATLAS detector has recorded many millions of collision events. [...]
ATL-SOFT-PROC-2011-019. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1896.
ATLAS Live: Collaborative Information Streams / Goldfarb, S (Michigan U.)
I report on a pilot project launched in 2010 focusing on facilitating communication and information exchange within the ATLAS Collaboration, through the combination of digital signage software and webcasting. [...]
ATL-SOFT-PROC-2011-020. - 2011. - 6 p.
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1897.
The ATLAS calorimeter simulation FastCaloSim / Yamanaka, T (Tokyo U.)
The FastCaloSim calorimeter simulation was developed to provide a reasonably accurate but still fast simulation of the ATLAS calorimeter system. [...]
ATL-SOFT-PROC-2011-021. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1898.
The ATLAS Tier-3 in Geneva and the Trigger Development Facility / Gadomski, S (Geneva U.) ; Baud, J-P (CERN) ; Meunier, Y (Geneva U.) ; Pasche, P (Geneva U.)
The ATLAS Tier-3 farm at the University of Geneva provides storage and processing power for analysis of ATLAS data. [...]
ATL-SOFT-PROC-2011-022. - 2011. - 6 p.
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1899.
Metadata aided run selection at ATLAS / Buckingham, RM (Oxford U.) ; Gallas, EJ (Oxford U.) ; Tseng, JC-L (Oxford U.) ; Viegas, F (CERN) ; Vinek, E (CERN)
Management of the large volume of data collected by any large scale scientific experiment requires the collection of coherent metadata quantities, which can be used by reconstruction or analysis programs and/or user interfaces, to pinpoint collections of data needed for specific purposes. [...]
ATL-SOFT-PROC-2011-023. - 2011. - 7 p.
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1900.
Distributed analysis functional testing using GangaRobot in the ATLAS experiment / Legger, F (LMU Munich)
Automated distributed analysis tests are necessary to ensure smooth operations of the ATLAS grid resources. [...]
ATL-SOFT-PROC-2011-024. - 2011.
Original Communication (restricted to ATLAS) - Full text
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1901.
Improving Security in the ATLAS PanDA System / Caballero, J (Brookhaven Natl. Lab.) ; Maeno, T (Brookhaven Natl. Lab.) ; Nilsson, P (Texas U. Arlington) ; Stewart, G (Glasgow U.) ; Potekhin, M (Brookhaven Natl. Lab.) ; Wenaus, T (Brookhaven Natl. Lab.)
The security challenges faced by users of the grid are considerably different to those faced in previous environments. [...]
ATL-SOFT-PROC-2011-025. - 2011. - 6 p.
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1902.
Overview of ATLAS PanDA Workload Management / Maeno, T (Brookhaven Natl. Lab.) ; De, K (Texas U., Arlington) ; Wenaus, T (Brookhaven Natl. Lab.) ; Nilsson, P (Texas U., Arlington) ; Stewart, G A (Glasgow U.) ; Walker, R (Munich U.) ; Stradling, A (Texas U., Arlington) ; Caballero, J (Brookhaven Natl. Lab.) ; Potekhin, M (Brookhaven Natl. Lab.) ; Smith, D (SLAC)
The Production and Distributed Analysis System (PanDA) plays a key role in the ATLAS distributed computing infrastructure. [...]
ATL-SOFT-PROC-2011-026. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1903.
The TDAQ Analytics Dashboard: a real-time web application for the ATLAS TDAQ control infrastructure / Magnoni, L (CERN) ; Lehmann Miotto, G (CERN) ; Sloper, J E (Warwick U.)
The ATLAS Trigger and Data Acquisition (TDAQ) infrastructure is responsible for filtering and transferring ATLAS experimental data from detectors to mass storage systems. [...]
ATL-DAQ-PROC-2011-004. - 2011. - 6 p.
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1904.
Role Based Access Control system in the ATLAS experiment / Valsan, M L (Bucharest, Polytechnic Inst.) ; Dobson, M (CERN) ; Lehmann Miotto, G (CERN) ; Scannicchio, D A (UC, Irvine) ; Schlenker, S (CERN) ; Filimonov, V (St. Petersburg, INP) ; Khomoutnikov, V (St. Petersburg, INP) ; Dumitru, I (Bucharest, Polytechnic Inst.) ; Zaytsev, A S (Novosibirsk, IYF) ; Korol, A A (Novosibirsk, IYF) et al.
The complexity of the ATLAS experiment motivated the deployment of an integrated Access Control System in order to guarantee safe and optimal access for a large number of users to the various software and hardware resources. [...]
ATL-DAQ-PROC-2011-005. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1905.
The ATLAS PanDA Pilot in Operation / Nilsson, P (Texas U., Arlington) ; Caballero, J (Brookhaven Natl. Lab.) ; De, K (Texas U., Arlington) ; Maeno, T (Brookhaven Natl. Lab.) ; Stradling, A (Texas U., Arlington) ; Wenaus, T (Brookhaven Natl. Lab.)
The Production and Distributed Analysis system (PanDA) [1-2] was designed to meet ATLAS [3] requirements for a data-driven workload management system capable of operating at LHC data processing scale. [...]
ATL-SOFT-PROC-2011-028. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1906.
arcControlTower: the System for Atlas Production and Analysis on ARC / Filipcic, A (Stefan Inst., Ljubljana)
PanDA, the Atlas management and distribution system for production and analysis jobs on EGEE and OSG clusters, is based on pilot jobs to increase the throughput and stability of the job execution on grid. [...]
ATL-SOFT-PROC-2011-029. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1907.
ATLAS Muon Calibration Framework / CARLINO, G (INFN, Naples ; Naples U.) ; De Salvo, A (INFN, Rome ; Rome U.) ; Di Simone, A (INFN, Rome ; Rome U.) ; Doria, A (INFN, Naples ; Naples U.) ; Jha, MK (INFN, CNAF ; INFN, Bologna) ; Mazzaferro, L (INFN, Rome ; Rome U.) ; Walker, R (Munich U.)
Automated calibration of the ATLAS detector subsystems ( like MDT and RPC chambers) are being performed at remote sites, called Remote Calibration Centers. [...]
ATL-SOFT-PROC-2011-030. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1908.
The ATLAS Level-1 Central Trigger / Stockton, M (CERN)
The ATLAS Level-1 trigger system is responsible for reducing the anticipated LHC collision rate from 40 MHz to less than 100 kHz. [...]
ATL-DAQ-PROC-2011-006. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1909.
Data Quality Monitoring Framework for ATLAS Experiment: Performance Achieved with Colliding Beams at LHC / Corso-Radu, A (UC, Irvine) ; Havadand, H (Southern Methodist U.) ; Ilchenko, Y (Southern Methodist U.) ; Kolos, S (UC, Irvine) ; Okawa, H (UC, Irvine) ; Slagle, K (UC, Irvine) ; Taffard, A (UC, Irvine)
This first year of data taking has been of great interest, not only for the physics outcome, but also for operating the system under the environment it was designed for. [...]
ATL-DAQ-PROC-2011-007. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1910.
ATLAS: Status Report and Performance for Physics Objects / Masetti, L (Mainz U.)
An overview of the detector status and of the performance for the reconstruction and identification of physics objects is given, based on cosmic ray and collision data up to 7 TeV. [...]
ATL-PHYS-PROC-2011-007. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1911.
Integrated System for Performance Monitoring of the ATLAS TDAQ Network / Savu, DO (CERN) ; Al-Shabibi, A (CERN ; Heidelberg U.) ; Martin, B (CERN) ; Sjoen, R (Oslo U.) ; Batraneanu, SM (UC, Irvine) ; Stancu, S (UC, Irvine)
The ATLAS TDAQ Network consists of three separate networks spanning four levels of the experimental building. [...]
ATL-DAQ-PROC-2011-008. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1912.
ATLAS Tier-2 at the Compute Resource Center GoeGrid in Goettingen / Meyer, J (Gottingen U.) ; Quadt, A (Gottingen U.) ; Weber, P (Gottingen U.)
GoeGrid is a grid resource center located in G¨ottingen, Germany. [...]
ATL-SOFT-PROC-2011-031. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1913.
ATLAS Operations: Experience and Evolution in the Data Taking Era / Ueda, I (Tokyo U., ICEPP) ; Kubes, T (CERN ; Prague, Inst. Phys.) ; Goossens, L (CERN) ; Stewart, G (Glasgow U.) ; Jezequel, S (Annecy, LAPP ; CNRS/IN2P3) ; Nairz, A (CERN) ; Negri, G (CERN) ; Campana, S (CERN) ; Di Girolamo, A (CERN)
This paper summarises the operational experience and improvements of the ATLAS hierarchical multi-tier computing infrastructure in the past year leading to taking and processing of the first collisions in 2009 and 2010. [...]
ATL-SOFT-PROC-2011-032. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1914.
Composing Distributed Services for Selection and Retrieval of Event Data in the ATLAS Experiment / Vinek, E (CERN ; Vienna U.) ; Viegas, F (CERN)
TAGs are event-level metadata allowing a quick search for interesting events for further analysis, based on selection criteria defined by the user. [...]
ATL-SOFT-PROC-2011-033. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1915.
The Online Luminosity Calculator of ATLAS / Maettig, S (CERN ; DESY)
Online luminosity monitoring at the LHC is important for optimizing the luminosity at the experimental insertions and vital for good data taking of the LHC experiments. [...]
ATL-DAQ-PROC-2011-009. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1916.
Engineering the ATLAS TAG Browser / Zhang, Q (Argonne)
ELSSI is a web-based event metadata (TAG) browser and event-level selection service for ATLAS. [...]
ATL-SOFT-PROC-2011-034. - 2011. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1917.
Scaling up ATLAS Database Release Technology for the LHC Long Run / Borodin, M (Moscow Phys. Eng. Inst. ; Cern) ; Nevski, P (Brookhaven Natl. Lab.) ; Vaniachine, A (Argonne)
To overcome scalability limitations in database access on the Grid, ATLAS introduced the Database Release technology replicating databases in files. [...]
ATL-SOFT-PROC-2011-035. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1918.
Distributing and storing required data efficiently by means of specifically tailored data formats in the ATLAS collaboration / Koeneke, K (CERN)
With the start of the LHC physics program, the ATLAS experiment started to record vast amounts of data. [...]
ATL-SOFT-PROC-2011-036. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1919.
Further investigations of ATLAS Sensitivity to Higgs Boson Production in different assumed LHC scenarios
Projections for the ATLAS sensitivity to the Standard Model Higgs boson from LHC running at centre-of-mass energies of sqrts = 7 and 8 TeV are reported. [...]
ATL-PHYS-PUB-2011-001. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1920.
Algorithm Acceleration from GPGPUs for the ATLAS Upgrade / Washbrook, A (Edinburgh U.) ; Clark, PJ (Edinburgh U.) ; Jones, C (Edinburgh U.) ; Rovatsou, M (Edinburgh U.) ; Emeilyanov, D (Rutherford)
Feasibility studies into the use of GPUs have been performed on two key algorithms in the ATLAS High Level Trigger. [...]
ATL-DAQ-PROC-2011-010. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1921.
Physics potential of Z' and W' searches with the ATLAS Detector as a function of the LHC center-of-mass energy
The ATLAS physics potential in the searches for high mass dilepon and lepton-neutrino resonances, are evaluated as a function of the LHC center-of-mass energy $sqrt{s}$, for a few values of the total integrated luminosity. [...]
ATL-PHYS-PUB-2011-002. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1922.
Simple extrapolations for supersymmetry discovery limits at different LHC centre-of-mass energies and luminosities, based on inclusive searches with the ATLAS detector
This short note presents a simple extrapolation of ATLAS results on the discovery potential of inclusive searches for supersymmetry based on selections using jets and missing transverse energy, with and without leptons. [...]
ATL-PHYS-PUB-2011-003. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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1923.
ATLAS top physics potential as a function of LHC integrated luminosity
This note summarizes the impact of a run extension of the LHC until the end of 2012 as opposed to the end of 2011. [...]
ATL-PHYS-PUB-2011-004. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1924.
Searches for new physics with jets at ATLAS / Courneyea, L (Victoria U.)
Using data taken by the ATLAS detector at sqrt(s) = 7 TeV, two types of events with jets were analyzed for evidence of new physics—di-jet and multi-jet events. [...]
ATL-PHYS-PROC-2011-008. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1925.
Charged particle yields and spectra in p+p and Heavy Ion Collisions with ATLAS at the LHC / Dolejsi, J (Charles U.)
The ATLAS experiment has extensive charged particle tracking over full azimuth and within |eta| < 2.5. [...]
ATL-PHYS-PROC-2011-009. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1926.
Measurement of the production cross section for Z/γ∗ in association with jets in pp collisions at √s = 7 TeV with the ATLAS Detector
We report preliminary results on the production of jets of particles in association with a Z/γ∗ boson in the final state, in proton-proton collisions at √s = 7 TeV with the ATLAS detector, based on an integrated luminosity of 1.3 pb−1. [...]
ATLAS-CONF-2011-001. - 2011. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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1927.
Charged particle multiplicities in inelastic pp events with the ATLAS detector / Lister, A (Geneva U.)
Measurements are presented from proton-proton collisions at centre-of-mass energies of \sqall\ recorded with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2011-010. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1928.
Measurement of the Inelastic Proton-Proton Cross Section at $sqrt{s}=7$~TeV with the ATLAS Detector
We present a first measurement of the inelastic cross section for proton-proton collisions at a center-of-mass energy $\sqrt{s}=7$~TeV using the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2011-002. - 2011. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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1929.
Dimuon composition in ATLAS at 7 TeV
We present a determination of the π and K contributions to the invariant mass spectrum of di-muon events up to 150 GeV in collision data collected by the ATLAS experiment at √s = 7 TeV. [...]
ATLAS-CONF-2011-003. - 2011.
Original Communication (restricted to ATLAS) - Full text
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1930.
Measurement of the backgrounds to the $H\rightarrow\gamma\gamma$ search and reappraisal of its sensitivity with 37 pb$^{-1}$ of data recorded by the ATLAS detector
This note presents the first measurement of the background to the search for the Higgs boson in the diphoton channel with the ATLAS detector at a proton-proton center-of-mass energy of $\sqrt{s}$=7 TeV with an integrated luminosity of 37~pb$^{-1}$. [...]
ATLAS-CONF-2011-004. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1931.
Calibration of the ATLAS Transition Radiation Tracker
The Transition Radiation Tracker (TRT) is the outermost charged particle tracking device of the ATLAS Inner Detector. [...]
ATLAS-CONF-2011-006. - 2011. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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1932.
Update on the jet energy scale systematic uncertainty for jets produced in proton-proton collisions at $\sqrt{s}=7$~TeV measured with the ATLAS detector
An update to the jet energy scale systematic uncertainty for inclusive jets measured in the ATLAS detector and produced in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=7$~TeV is described. [...]
ATLAS-CONF-2011-007. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1933.
Determination of the muon reconstruction efficiency in ATLAS at the Z resonance in proton-proton collisons at sqrt(s)=7 TeV
This note presents a measurement of the muon reconstruction efficiency in p-p collision data collected by the ATLAS experiment at s = 7 TeV using muons from Z boson decays. [...]
ATLAS-CONF-2011-008. - 2011. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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1934.
Measurement of underlying event characteristics using charged particles in pp collisions at sqrt{s} =900 GeV and 7 TeV with the ATLAS detector in a limited phase space
Measurements of charged particle distributions, sensitive to the underlying event, is presented in a restricted phase-space to directly compare with the results from the other LHC experiments. [...]
ATLAS-CONF-2011-009. - 2011.
Original Communication (restricted to ATLAS) - Full text
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1935.
Design and Performance of the ATLAS Muon Detector Control System / Polini, A (INFN, Bologna)
Muon detection plays a key role at the Large Hadron Collider. [...]
ATL-MUON-PROC-2011-001. - 2011.
Original Communication (restricted to ATLAS) - Full text
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1936.
Correlated noise unfolding on a Hadronic Calorimeter / Fiolhais, M C N (Coimbra U.)
The correlated noise component of TileCal, the barrel hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider, is studied and an algorithm is used to parametrize and unfold it from the response of the photomultipliers. [...]
ATL-TILECAL-PROC-2011-003. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1937.
The implementation of the ATLAS missing Et triggers for the initial LHC operation / Casadei, D (NYU) ; Aracena, I (SLAC) ; Banerjee, S (Victoria) ; Beauchemin, P-H (Oxford) ; Calvet, S (Mainz) ; Cranmer, K (NYU) ; Damazio, D (BNL) ; Djilkibaev, R (NYU) ; Eifert, T (Geneve, CERN) ; Hillier, S (Birmingham) et al.
The trigger system of the ATLAS detector is a three-level architecture in which the decision is taken by custom electronics at the first level whereas the following levels operate in a software environment that is similar to the offline reconstruction program. [...]
ATL-DAQ-PUB-2011-001. - 2011.
Original Communication (restricted to ATLAS) - Full text
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1938.
Studies of particle production in inelastic pp events with the ATLAS detector / Wynne, BM (Edinburgh U.)
Charged particle density, transverse momentum and pseudorapidity are measured in proton-proton interactions at sqrt{s} = 900 GeV, of 2.36 TeV and of 7 TeV in the ATLAS detector. [...]
ATL-PHYS-PROC-2011-012. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1939.
Observation of Z->tau_h tau_l Decays with the ATLAS detector
A study of Z->tau tau decays has been performed with the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2011-010. - 2011. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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1940.
Design of the Jet Performance Software for the ATLAS Experiment at LHC / Doglioni, C (Oxford U.) ; Francavilla, P (Pisa U.) ; Loch, P (Arizona U.) ; Perez, K (Caltech) ; Vitillo, RA (INFN, Pisa)
This paper describes the design and implementation of the JetFramework, a software tool developed for the data analysis of the ATLAS experi- ment at CERN. [...]
ATL-SOFT-PROC-2011-037. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1941.
Early Search for Supersymmetry at ATLAS / Zhuang, Xuai
The search for physics beyond the Standard Model (BSM) is one of the most important goals for the general purpose detector ATLAS at the Large Hadron Collider at CERN. [...]
arXiv:1104.2907 ; ATL-PHYS-PROC-2011-013. - 2011. - 6 p.
Proceedings of Science Server - Full text - Fulltext - Fulltext - ATL-PHYS-PROC-2011-013 (2011-06-03)
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1942.
Updated Luminosity Determination in pp Collisions at root(s)=7 TeV using the ATLAS Detector
Improvements to the luminosity calibration performed using the ATLAS detector at the LHC during pp collisions at sqrt(s) = 7 TeV are presented. [...]
ATLAS-CONF-2011-011. - 2011. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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1943.
Alignment of the ATLAS Inner Detector Tracking System with 2010 LHC proton-proton collisions at $\sqrt{s}$ = 7 TeV
The ATLAS Inner Detector tracking system has been aligned for the analysis of the LHC √s = 7 TeV proton-proton collision data taken during 2010. [...]
ATLAS-CONF-2011-012. - 2011. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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1944.
Production of W and Z bosons in ATLAS / Czyczula, Z (Oslo U.)
The first measurements of the W and Z boson cross section in proton-proton collisions at $sqrt{s}$=7 TeV are presented using data recorded in the ATLAS detector. [...]
ATL-PHYS-PROC-2011-014. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1945.
Measurement of the production cross section of Wgamma and Zgamma at sqrt(s) = 7 TeV with the ATLAS Detector
We present measurements of high energy photons produced in associated with either a W or Z boson in pp collisions at √s = 7 TeV. [...]
ATLAS-CONF-2011-013. - 2011. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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1946.
Soft QCD Measurements in ATLAS / Laycock, P (Liverpool U.)
Measurements dominated by soft QCD processes, made with the ATLAS detector using LHC $pp$ data at $sqrt{s}=0.9, 2.36$ and $7$ TeV, are presented. [...]
ATL-PHYS-PROC-2011-015. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1947.
In-situ pseudorapidity intercalibration for evaluation of jet energy scale uncertainty using dijet events in proton-proton collisions at sqrt(s)=7 TeV
The response of the ATLAS calorimeters to jets is studied by balancing the transverse momenta of dijets in pp collisions at sqrt(s)=7 TeV using 35 pb^(-1) of integrated luminosity. [...]
ATLAS-CONF-2011-014. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1948.
Measurement of the WW production cross section in proton-proton collisions at √s = 7 TeV with the ATLAS detector
We provide the first measurement of the WW production cross section in pp collisions at √s =7 TeV. [...]
ATLAS-CONF-2011-015. - 2011. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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1949.
Searches for new physics with leptons in ATLAS / Chen, X (Wisconsin U., Madison)
Leptonic final states are rare and have relatively small backgrounds at a hadron collider. [...]
ATL-PHYS-PROC-2011-016. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1950.
LHC potential: Energy and Luminosity / Murray, W J (Rutherford ; CERN)
The prospects for discovery physics in 2011 at LHC are reviewed. [...]
ATL-PHYS-PROC-2011-017. - CERN, 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Slides - Published version from CERN
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1951.
Performance of Tau Trigger and Tau Reconstruction in ATLAS in pp Collisions at $\sqrt{s}$=7 TeV / Wolter, Marcin (Cracow, INP)
Tau leptons provide a useful signature in searches for new physics phenomena in ATLAS experiment, like charged Higgs bosons or supersymmetry. [...]
ATL-PHYS-PROC-2011-018. - 2011. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1952.
Higgs Boson Sensitivity in ATLAS / Novakova, Jana (Charles U.)
Higgs boson searches are one of the main goals of the ATLAS physics program. [...]
ATL-PHYS-PROC-2011-019. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1953.
Tier-3 Monitoring Software Suite (T3MON) proposal / Andreeva, J (CERN) ; Benjamin, D (Dubna, JINR ) ; Klimentov, A (Dubna, JINR ) ; Korenkov, V (Dubna, JINR ) ; Oleynik, D (Dubna, JINR ) ; Panitkin, S (Dubna, JINR ) ; Petrosyan, A (Dubna, JINR )
The ATLAS Distributed Computing activities concentrated so far in the “central” part of the computing system of the experiment, namely the first 3 tiers (CERN Tier0, the 10 Tier1s centres and the 60+ Tier2s) [...]
ATL-SOFT-PUB-2011-001. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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1954.
Hidden Valley Search at ATLAS / Verducci, M (Washington U., Seattle)
A number of extensions of the Standard Model result in neutral and weakly-coupled particles that decay to multi hadrons or multi leptons with macroscopic decay lengths. [...]
ATL-DAQ-PROC-2011-012. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1955.
Measurement of top quark pair production with the ATLAS detector / Papadelis, Aras (Stockholm U.)
A measurement of the production cross-section for top quark pairs in pp collisions at $\sqrt{s}=7$ TeV is presented using data recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2011-020. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1956.
Performance of the ATLAS Calorimeters using Cosmic Muons / Santoni, C (Clermont-Ferrand U.)
The ATLAS calorimeter provides precision measurements of electrons, photons, jets and missing transverse energy produced in the LHC proton-proton collisions. [...]
ATL-PHYS-PROC-2011-021. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1957.
dE/dx measurement in the ATLAS Pixel Detector and its use for particle identification
The ATLAS Pixel Detector provides a measurement of the charge deposited by each track crossing it. [...]
ATLAS-CONF-2011-016. - 2011. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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1958.
Two Early Exotics Searches With Dijet Events In The ATLAS Detector / Rezvani, R (Toronto U.)
This document summarises two exotic searches in dijet events. [...]
ATL-PHYS-PROC-2011-022. - 2011.
Original Communication (restricted to ATLAS) - Full text
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1959.
Measurement of D^(*) meson production cross sections in pp collisions at sqrt{s}=7 TeV with the ATLAS detector
The production of the D*+-, D+- and Ds+- charm mesons have been measured with the ATLAS detector in pp collisions at sqrt{s}=7 TeV using an integrated luminosity of 1.1 nb^{-1}. [...]
ATLAS-CONF-2011-017. - 2011. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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1960.
Study of discriminating variables for charged Higgs boson searches in ttbar events with leptons, using 35/pb of data from the ATLAS detector
In several extensions of the Standard Model, the top-quark can decay to a bottom-quark and a light charged Higgs boson ($m_{H^+}<m_{\text{top}}$) which is assumed to decay only into $\tau\nu$. [...]
ATLAS-CONF-2011-018. - 2011.
Original Communication (restricted to ATLAS) - Full text
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1961.
Response of isolated particles identified using resonances in proton-proton collisions at $sqrt{s}$=7~TeV with the ATLAS detector
A measurement of the raw calorimeter energy response for identified particles in proton-proton collisions is presented. [...]
ATLAS-CONF-2011-019. - 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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1962.
A Search for Light CP-Odd Higgs Bosons Decaying to mu+ mu- in ATLAS
We present a search for a very light \CP -odd Higgs boson, \aone , decaying to \mumu , using 36.7 \ipb\ of \pp\ collisions at \rts\ = 7 \TeV\ recorded by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2011-020. - 2011. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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1963.
A measurement of the ATLAS muon reconstruction and trigger efficiency using J/psi decays
We present a measurement of the ATLAS muon reconstruction and trigger efficiencies using decay muons from the J/ resonance. [...]
ATLAS-CONF-2011-021. - 2011. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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1964.
Search for Fourth Generation Quarks Decaying to WqWq -> ll nu nu q q in $pp$ collisions at $sqrt{s}=7$ TeV with the ATLAS Detector
We present a search for pair production of heavy quarks Q4 decaying via Q4 Q4 -> WqWq -> l nu l nu q q. [...]
ATLAS-CONF-2011-022. - 2011. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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1965.
Top Quark Pair Production Cross-section Measurements in ATLAS in the Single Lepton+Jets Channel without b-tagging
This note summarises measurements of the ttbar cross-section in the lepton+jets channel using approximately 35 pb−1of ATLAS data collected in 2010. [...]
ATLAS-CONF-2011-023. - 2011. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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1966.
Search for neutral MSSM Higgs bosons decaying to tau+ tau- pairs in proton-proton collisions at sqrt{s} = 7 TeV with the ATLAS Experiment
A search for neutral Higgs bosons $A$, $H$, $h$ in the Minimal Supersymmetric Standard Model with the ATLAS detector at the LHC is presented. [...]
ATLAS-CONF-2011-024. - 2011.
Original Communication (restricted to ATLAS) - Full text
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1967.
Search for the Higgs boson in the diphoton final state with 38 pb$^{-1}$ of data recorded by the ATLAS detector in proton-proton collisions at $sqrt{s}$=7 TeV
This note reports on a search for the Standard Model Higgs boson in the diphoton decay channel with the ATLAS detector at a proton-proton center-of-mass energy of $\sqrt{s}$=7 TeV, with an integrated luminosity of 38 pb$^{-1}$. [...]
ATLAS-CONF-2011-025. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1968.
Search for a Standard Model Higgs Boson in the Mass Range 200-600 GeV in the Channels H -> ZZ -> llnunu and H -> ZZ -> llqq with the ATLAS Detector
This note summarizes preliminary results on the search for a Standard Model Higgs boson with a mass in the range between 200~GeV and 600~GeV in the channels H -> ZZ -> llnunu and H -> ZZ -> llqq. [...]
ATLAS-CONF-2011-026. - 2011. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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1969.
Searches for Single Top-Quark Production with the ATLAS Detector in pp Collisions at sqrt(s) = 7TeV
Searches for single top-quark production in the t- and Wt-channels in 7 TeV proton-proton collisions have been carried out with the ATLAS detector using an integrated luminosity of 35 pb−1 collected in the 2010 LHC run. [...]
ATLAS-CONF-2011-027. - 2011. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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1970.
The ATLAS High Level Trigger Configuration and Steering, Experience with the First 7 TeV Collisions / Stelzer, J (DESY)
In March 2010 the four LHC experiments saw the first proton-proton collisions at a center-of-mass energy of 7 TeV. [...]
ATL-DAQ-PROC-2011-013. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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1971.
Electron performance with J/$\psi$ with the ATLAS detector / Theveneaux-Pelzer, Timothée (Paris U., VI-VII)
This paper describes the performance of low energy electron reconstruc- tion and identification at ATLAS with proton-proton collisions at a centre of mass energy of 7 TeV produced by the Large Hadron Collider. [...]
ATL-PHYS-PROC-2011-023. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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1972.
ATLAS Calorimeter Response to Single Isolated Hadrons and Estimation of the Calorimeter Jet Scale Uncertainty
The ATLAS calorimeter response to single isolated hadrons is measured using an integrated luminosity of approximately 866~$mu b^{-1}$ of proton-proton collisions at a center-of-mass energy of $\sqrt{s} = 7$ TeV collected during 2010 by the ATLAS experiment. [...]
ATLAS-CONF-2011-028. - 2011. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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1973.
Probing the jet energy measurement at the TeV-scale using the multi-jet balance technique in proton-proton collisions at sqrt(s) =7 TeV
High transverse momentum jets are excellent probes for new physics at the highest scale reachable at the LHC. [...]
ATLAS-CONF-2011-029. - 2011. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1974.
SOFTWARE RELEASES MANAGEMENT IN THE TRIGGER AND DATA ACQUISITION OF ATLAS EXPERIMENT / Kazarov, A (Cern) ; Caprini, M (Bucharest, IFIN-HH) ; Hauser, R (Michigan State U.) ; Soloviev, I (UC, Irvine)
ATLAS is a general-purpose experiment in high-energy physics at Large Hadron Collider at CERN. [...]
ATL-DAQ-PROC-2011-014. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1975.
Overview of the ATLAS data acquisition system operating at the TeV scale / Borer, C (Bern U.)
This paper focuses on the operation of the ATLAS data-acquisition system during the first months of 2010. [...]
ATL-DAQ-PROC-2011-015. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1976.
In-situ jet energy scale and jet shape corrections for multiple interactions in the first ATLAS data at the LHC
In-situ methods are presented for subtracting contributions to the measured jet energy due to multiple proton-proton interactions (pile-up) in the first data collected with the ATLAS detector in proton-proton collisions at the LHC at a center-of-mass energy of $\sqrt{s} = 7$ TeV. [...]
ATLAS-CONF-2011-030. - 2011. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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1977.
Determination of the ATLAS jet energy measurement uncertainty using photon-jet events in proton-proton collisions at sqrt{s} = 7 TeV
The ATLAS jet energy calibration is validated in-situ by exploiting the conservation of transverse momentum pT in events which contain a photon and a hadronic jet in the central region of the detector. [...]
ATLAS-CONF-2011-031. - 2011. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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1978.
Jet energy scale and its systematic uncertainty in proton-proton collisions at sqrt(s)=7 TeV in ATLAS 2010 data
The jet energy scale (JES) and its systematic uncertainty is determined for jets measured in the full 2010 proton-proton collision dataset at sqrt(s)=7 TeV using the ATLAS detector. [...]
ATLAS-CONF-2011-032. - 2011.
Original Communication (restricted to ATLAS) - Full text
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1979.
Measurement of the Top-Quark Mass using the Template Method in pp Collisions at root(s)=7 TeV with the ATLAS detector
The top-quark mass (mtop) has been measured using the template method in the channel ttbar -> lepton+jets based on ATLAS data recorded in the year 2010. [...]
ATLAS-CONF-2011-033. - 2011.
Original Communication (restricted to ATLAS) - Full text
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1980.
Measurement of the top quark pair production cross-section with ATLAS in pp collisions at sqrt(s) = 7 TeV in dilepton final states
A measurement is presented of the production cross section of top quark pairs (ttbar) in proton-proton (pp) collisions at √s = 7 TeV recorded with the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2011-034. - 2011. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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1981.
Measurement of the top quark-pair cross-section with ATLAS in pp collisions at sqrt(s) = 7 TeV in the single-lepton channel using b-tagging
A measurement of the production cross section for top-quark pairs in pp collisions at sqrt(s) = 7 TeV is presented using data recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2011-035. - 2011. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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1982.
Search for Anomalous Missing ET in tt Events
We present a search for anomalous missing transverse energy in the lepton+jets tt final state. [...]
ATLAS-CONF-2011-036. - 2011. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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1983.
Measurement of the W-boson polarisation in top quark decays in pp collision data at sqrt(s) = 7 TeV using the ATLAS detector
The polarisation of W bosons in top-quark decays is sensitive to the Wtb vertex structure. [...]
ATLAS-CONF-2011-037. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1984.
Measurement of dijet production with a jet veto in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector
In this note, we measure the fraction of dijet events in pp collisions at sqrt(s) = 7 TeV that do not contain an additional jet in the rapidity region bounded by the dijet system. [...]
ATLAS-CONF-2011-038. - 2011.
Original Communication (restricted to ATLAS) - Full text
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1985.
SUSY Searches at ATLAS in Multilepton Final States with Jets and Missing Transverse Energy
Results are presented from a search for supersymmetric signals in multilepton final states at ATLAS – with three or more leptons, jets, and moderate missing transverse energy in the final state. [...]
ATLAS-CONF-2011-039. - 2011.
Original Communication (restricted to ATLAS) - Full text
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1986.
A combined measurement of the top quark pair production cross-section using dilepton and single-lepton final states
We present a combined measurement of the top quark pair production cross-section in $pp$ collisions at $\sqrt{s}=7$ TeV using the results of dilepton and single-lepton analyses with 35 pb-1 of data. [...]
ATLAS-CONF-2011-040. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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1987.
A measurement of the total W± and Z/γ∗cross sections in the e and μ decay channels and of their ratios in pp collisions at √s = 7 TeV with the ATLAS detector
This paper presents the measurements of W-&gt;ln and Z-ll (l=e,mu) inclusive cross-sections with the ATLAS detector in proton-proton collisions at sqrt(s) = 7 TeV. [...]
ATLAS-CONF-2011-041. - 2011.
Original Communication (restricted to ATLAS) - Full text
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1988.
Measurement of the production cross section for Z/γ∗ in association with jets in pp collisions at √s = 7 TeV with the ATLAS Detector
We report preliminary results on the production of jets of particles in association with a Z/γ∗ boson in the final state, in proton-proton collisions at √s = 7 TeV with the ATLAS detector. [...]
ATLAS-CONF-2011-042. - 2011. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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1989.
Measurement of multi-jet cross-sections in proton-proton collisions at 7 TeV center-of-mass energy
Inclusive multi-jet production is studied using the ATLAS detector for proton-proton collisions with a center of mass energy of 7 TeV. [...]
ATLAS-CONF-2011-043. - 2011. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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1990.
A Search for High Mass Diphoton Resonances in the Context of the Randall-Sundrum Model in √s = 7 TeV pp Collisions
A search has been performed for evidence of a narrow resonance in the diphoton invariant mass spectrum. [...]
ATLAS-CONF-2011-044. - 2011. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1991.
First Observation of the process Z -> tautau -> emu + 4nu with the ATLAS Detector
The first measurement of the process Z → ττ → eμ + 4ν using the ATLAS detector has been performed. [...]
ATLAS-CONF-2011-045. - 2011. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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1992.
Muon Momentum Resolution in First Pass Reconstruction of pp Collision Data Recorded by ATLAS in 2010
We present a measurement of the muon momentum resolution in the first pass reconstruction of ATLAS pp collision data in 2010, which uses preliminary calibration and alignment constants. [...]
ATLAS-CONF-2011-046. - 2011. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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1993.
Measurement of inclusive jet and dijet cross sections in proton-proton collision data at 7 TeV centre-of-mass energy using the ATLAS detector
Inclusive and dijet cross sections have been measured in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2011-047. - 2011. - 51 p.
Original Communication (restricted to ATLAS) - Full text
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1994.
Search for the Standard Model Higgs boson in the decay channel $H \rightarrow ZZ^{(*)} \rightarrow 4l$ with 40 pb$^{-1}$ of pp collisions at $\sqrt{s} = 7$ TeV
This note presents the search for a Standard Model Higgs boson in the channel $H \rightarrow ZZ^{(*)} \rightarrow 4l$ using 40 pb~$^{-1}$ of pp collision data collected by the ATLAS experiment in 2010. [...]
ATLAS-CONF-2011-048. - 2011. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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1995.
Hard QCD Measurements in ATLAS / Stamen, R (Kirchhoff Inst. Phys.)
Proton-Proton collisions at the LHC offer the possibility to study perturbative QCD at unprecedented small distances. [...]
ATL-PHYS-PROC-2011-024. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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1996.
Setting of the ATLAS Jet Energy Scale / Petteni, M (Simon Fraser U.)
The setting of the jet energy scale in the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2011-025. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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1997.
Upper Limits on the Charge in Satellite Bunches for the October 2010 LHC Luminosity Calibration
The LHC luminosity measurement relies on a precise determination of the beam currents contributing to colliding bunch pairs. [...]
ATLAS-CONF-2011-049. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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1998.
Determination of integrated Luminosity via W/Z Boson Production at the ATLAS Detector / Schott, M (CERN)
The possibility to determine the recorded integrated luminosity via the production cross-section measurement of W and Z bosons with the ATLAS detector is discussed. [...]
ATL-PHYS-PROC-2011-026. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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1999.
First results from ATLAS experiment on production of $W$ and $Z$ bosons in proton-proton collisions at $sqrt{s}=7$~TeV / Malecki, Pa (Cracow, INP)
First results on $W$ and $Z$ bosons production cross-section at $sqrt{s}=7$~TeV obtained with ATLAS detector are presented. [...]
ATL-PHYS-PROC-2011-027. - 2011. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2000.
The ATLAS Fast Track Simulation Project / Hamilton, S ; Kneringer, E ; Lukas, W ; Ritsch, E ; Salzburger, A ; Sliwa, K ; Todorova, S ; Wetter, J ; Zimmermann, S
The ATLAS Fast Track Simulation (FATRAS), originally developed in the frame of ATLAS Inner Detector, has been extended to ATLAS Muon Spectrometer and interfaced with ATLAS Fast Calorimeter Simulation. [...]
ATL-SOFT-PROC-2011-038. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2001.
Observation of the B0d and B0s mesons in the decays B0d → J/ψK∗0 and B0s → J/ψφ in ATLAS
The production of B0d and B0s mesons is observed in ATLAS through their decays B0d → J/ψ K∗0 and B0s→J/ψφ . [...]
ATLAS-CONF-2011-050. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2002.
Data-driven estimation of the background to charged Higgs boson searches using hadronically-decaying tau final states in ATLAS
The experimental observation of charged Higgs bosons, $H^{\pm}$, which are theoretically predicted by many non-minimal Higgs scenarios, would indicate new physics beyond the Standard Model. [...]
ATLAS-CONF-2011-051. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2003.
Aggregated monitoring and automatic site exclusion of the ATLAS computing activities: the ATLAS Site Status Board / Borrego, C (Barcelona, IFAE) ; Di Girolamo, A (CERN) ; Espinal, X (PIC, Bellaterra) ; Rinaldi, L (INFN, CNAF) ; Schovancova, J (Prague, Inst. Phys.) ; Andreeva, J (CERN) ; Nowotka, M M (CERN) ; Saiz, P (CERN)
In the context of the Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN), ATLAS (A Toroidal LHC Apparatus) is one of the six particle detectors constructed at the accelerator. [...]
ATL-SOFT-PROC-2011-039. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2004.
Search for Higgs Boson Production in $pp$ Collisions at sqrt{s}=7 TeV using the H->WW->lvqq Decay Channel and the ATLAS Detector
A search for the Higgs boson in the H->WW->lvqq decay mode has been performed using 35 pb^-1 of 7 TeV proton-proton collision data recorded by the ATLAS detector during the 2010 run of the LHC. [...]
ATLAS-CONF-2011-052. - 2011. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2005.
Light-quark and Gluon Jets in ATLAS
The jet energy response depends on the observable properties of a jet, including, for example, the momentum spectra and number of charged hadrons. [...]
ATLAS-CONF-2011-053. - 2011. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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2006.
Determination of the Top-Quark Mass from the ttbar Cross Section Measurement in pp Collisions at sqrt(s)=7 TeV with the ATLAS detector
We extract the top-quark pole mass using the experimental ttbar production cross section measured in the lepton+jets channel by the ATLAS detector together with the latest theoretical ttbar cross section predictions in higher-order QCD that include soft gluon resummations [...]
ATLAS-CONF-2011-054. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2007.
Measurement of Inclusive Two-Particle Angular Correlations in Proton-Proton Collisions at sqrt{s} = 900 GeV and 7 TeV
Measurements of two-particle angular correlations in proton-proton collisions at centre-of-mass energies of 900 GeV and 7 TeV are presented. [...]
ATLAS-CONF-2011-055. - 2011. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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2008.
Measurement of the inclusive and dijet cross section of b-jets in pp collisions at $\sqrt{s}=7$ TeV with the ATLAS detector
We present a measurement of the inclusive and dijet differential cross sections of b-jets produced in proton--proton collisions at $\sqrt{s}=7$\,TeV, using data collected with the ATLAS detector that correspond to an integrated luminosity of 3\,pb$^{-1}$. [...]
ATLAS-CONF-2011-056. - 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2009.
ATLAS Tags Web Service calls Athena via Athenaeum Framework / Hrivnac, J (Orsay, LAL)
High Energy Physics experiments start using a Web Service style application to access functionality of their main frameworks. [...]
ATL-SOFT-PROC-2011-040. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2010.
Precision tests of the Standard Model using the ATLAS detector at the LHC / Chekanov, S (Argonne)
This article discusses the recent tests of the Standard Model using pp collision events collected with the ATLAS detector at Large Hadron Collider (LHC) during 2010 data taking period. [...]
ATL-PHYS-PROC-2011-028. - 2011. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2011.
Measurement of the b-jet production cross section using muons in jets with ATLAS in pp Collisions at $/sqrt{s}=7$ TeV
We present a measurement of the inclusive $b$-jet production differential cross section in proton-proton collisions at $sqrt{s}$ = 7 TeV, using a sample of jets containing a muon. [...]
ATLAS-CONF-2011-057. - 2011. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2012.
Measurement of the inclusive isolated prompt photon cross section in $pp$ collisions at $sqrt{s} = 7$ TeV with the ATLAS detector using 35 pb$^{−1}$
A measurement of the cross section for the inclusive production of isolated prompt photons in $pp$ collisions at a center-of-mass energy $\sqrt{s}$ = 7 TeV is presented. [...]
ATLAS-CONF-2011-058. - 2011. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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2013.
Comparisons of the measured inclusive jet cross section to a selection of NLO QCD predictions, and a study of the parton content of the calculations
Additional comparison of the recently measured inclusive jet cross section data with NLO QCD calculation are presented. [...]
ATL-PHYS-PUB-2011-005. - 2011. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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2014.
Unfolding in ATLAS / Choudalakis, Georgios (Chicago U.)
This article presents the unfolding techniques used so far in ATLAS. [...]
arXiv:1104.2962. - Geneva : CERN, 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Full text
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2015.
Rapidity gap cross sections in $pp$ interactions at $\sqrt{s} = 7 \ {\rm TeV}$
Pseudorapidity gap distributions are studied using a data sample of integrated luminosity $7.08 \pm 0.24 \ {\rm \mu b^{-1}}$ from the first stable physics run provided by the Large Hadron Collider at $\sqrt{s} = 7 \ {\rm TeV}$. [...]
ATLAS-CONF-2011-059. - 2011. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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2016.
The AFP Project / Staszewski, R. (Cracow, INP)
AFP is a project to extend the diffractive physics programme of the ATLAS experiment by installing new detectors that will be able to tag forward protons scattered at very small angles. [...]
arXiv:1104.1858 ; ATL-UPGRADE-PROC-2011-003. - 2011. - 10 p.
Acta Physica Polonica Server - Full text - Fulltext - Full text
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2017.
Measurement of the production cross section for W-bosons in association with jets in $pp$ collisions using 33 pb-1 at sqrt(s) = 7 TeV with the ATLAS detector
This note reports on the measurement of the inclusive $W$+jets cross section in proton-proton collisions at a centre-of-mass energy of 7 \TeV~a t the LHC, with the ATLAS detector. [...]
ATLAS-CONF-2011-060. - 2011. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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2018.
The ATLAS High Level Trigger Steering Framework and the Trigger Configuration System. / Perez Cavalcanti, Tiago (DESY)
The ATLAS detector system installed in the Large Hadron Collider (LHC) at CERN is designed to study proton-proton and nucleus-nucleus collisions with a maximum centre of mass energy of 14 TeV at a bunch collision rate of 40MHz. [...]
ATL-DAQ-PROC-2011-016. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2019.
Search for FCNC top quark processes at 7 TeV with the ATLAS detector
The first ATLAS results on the search for flavour changing neutral current~(FCNC) processes involving the top quark are presented. [...]
ATLAS-CONF-2011-061. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2020.
Close-by Jet Effects on Jet Energy Scale Calibration in pp Collisions at sqrt(s)=7 TeV with the ATLAS Detector
The jet energy scale (JES) and systematic uncertainty determined by ATLAS using the full 2010 data-set of 7 TeV proton-proton collisions are applicable to isolated jets that have no other jet within a certain distance in the rapidity and azimuthal angle space. [...]
ATLAS-CONF-2011-062. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2021.
Expected electron performance in the ATLAS experiment
We describe the latest improvements in electron reconstruction and identification and give an update on the expected electron performance of the ATLAS detector. [...]
ATL-PHYS-PUB-2011-006. - 2011. - 33 p.
Original Communication (restricted to ATLAS) - Full text
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2022.
Expected photon performance in the ATLAS experiment
We present the description and expected performance of the photon reconstruction and identification in the ATLAS experiment, with the software release used for the initial LHC data--taking at $\sqrt{s}=7TeV$. [...]
ATL-PHYS-PUB-2011-007. - 2011. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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2023.
New ATLAS event generator tunes to 2010 data
This note describes the Monte Carlo event generator tunings for the Pythia 6 and Herwig/Jimmy generators in the ATLAS MC11 simulation production. [...]
ATL-PHYS-PUB-2011-008. - 2011. - 33 p.
Original Communication (restricted to ATLAS) - Full text
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2024.
Muon reconstruction efficiency in reprocessed 2010 LHC proton-proton collision data recorded with the ATLAS detector
This note presents measurements of the muon reconstruction and isolation efficiencies based on an analysis of Z->&mu;+&mu;- decays in 40 pb-1 of sqrt(s)=7 TeV proton-proton collision data recorded with the ATLAS detector in 2010. [...]
ATLAS-CONF-2011-063. - 2011. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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2025.
Combined exclusion reach of searches for squarks and gluinos using final states with jets, missing transverse momentum, and zero or one lepton, with the ATLAS detector in sqrt(s)=7 TeV proton-proton collisions
The combination of searches for squarks and gluinos in final states containing jets, missing transverse momentum and zero or one electron or muon is presented. [...]
ATLAS-CONF-2011-064. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2026.
Search for strong gravity effects in same-sign dimuon final states
A search for mini black holes has been performed in a same sign dimuon final state using31 pb−1 of proton-proton collision data collected by the ATLAS detector at a centre of mass energy of 7 TeV at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2011-065. - 2011. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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2027.
ATLAS Overview / Dobos, D (Tech. U., Dortmund ; Cern)
The performance of the detectors, the data taking in 2010 and the latest results of the ATLAS Experiment at CERN are presented..
ATL-GEN-PROC-2011-001. - 2011. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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2028.
Search for ttbar production in the all-hadronic channel in ATLAS with sqrt{s} = 7 TeV data
We present a search for ttbar production in the all-hadronic channel. [...]
ATLAS-CONF-2011-066. - 2011. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2029.
Statistical methods used in ATLAS for exclusion and discovery / Casadei, Diego (New York U.)
The statistical methods used by the ATLAS Collaboration for setting upper limits or establishing a discovery are reviewed, as they are fundamental ingredients in the search for new phenomena. [...]
arXiv:1108.2288. - Geneva : CERN, 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Preprint
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2030.
Heavy Ion Physics with the ATLAS Detector / Grabowska-Bold, Iwona (UC, Irvine ; AGH-UST, Cracow)
The heavy-ion program at the Large Hadron Collider has been commenced in November 2010 by three experiments including ATLAS, a multipurpose detector originally constructed to study high-energy proton-proton collisions, which now also proved to be an excellent tool for studying nuclear interactions. [...]
ATL-PHYS-PROC-2011-030. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2031.
ATLAS Status and Latest Results / Sbarra, Carla (INFN, Bologna)
ATLAS is a general-purpose detector located at one of the four interaction points of the Large Hadron Collider at the CERN laboratory near Geneva, Switzerland. [...]
ATL-PHYS-PROC-2011-031. - 2011. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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2032.
Performance of $\tau$ lepton identification in ATLAS 7 TeV data / Zemla, Andrzej (Cracow, INP)
The reconstruction and identification of $ au$ leptons are important in physics analysis of Standard Model (SM) processes and searches for new phenomena. [...]
ATL-PHYS-PROC-2011-032. - 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2033.
Methods of multiplicity reconstruction in heavy ion collisions in the ATLAS experiment / Zabinski, B (Cracow, INP)
The Large Hadron Collider accelerates and collides both proton beams and lead beams at the highest energies available in the laboratory. [...]
ATL-PHYS-PROC-2011-033. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2034.
ATLAS jet energy scale uncertainties using tracks in proton proton collisions at $\sqrt{s}=7$~TeV
Tracks are used to validate the energy calibration of jets reconstructed in the calorimeter. [...]
ATLAS-CONF-2011-067. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2035.
Search for Microscopic Black Holes in Multi-Jet Final States with the ATLAS Detector at sqrt(s) = 7 TeV
Microscopic black holes are searched for in multi-jet final states in proton-prot on collisions at the Large Hadron Collider. [...]
ATLAS-CONF-2011-068. - 2011. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2036.
Invariant mass distribution of jet pairs produced in association with one lepton and missing transverse energy at the ATLAS experiment
This note presents a study of the invariant mass distribution of jet pairs produced in association with one identified lepton and missing transverse energy with the ATLAS detector in proton-proton collisions at s=7TeV. [...]
ATLAS-CONF-2011-069. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2037.
A Search for New High-Mass Phenomena Producing Top Quarks with the ATLAS Experiment
A search for top quark pair resonances in the lepton plus jets final states has been performed with the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2011-070. - 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2038.
Update of the Background Studies in the Search for the Higgs Boson in the Two Photons Channel in pp Collisions at √s=7 TeV
This note presents an update of the study of the backgrounds to the search for the Higgs boson decaying into a pair of photons. [...]
ATLAS-CONF-2011-071. - 2011.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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2039.
Performance of the ATLAS transverse energy triggers with initial LHC runs at sqrt(s) = 7 TeV
The performance of the ATLAS triggers based on the vector and scalar sums of the transverse energies is shown for LHC proton-proton collision events at sqrt(s) = 7 TeV recorded from 19 August to 29 October 2010. [...]
ATLAS-CONF-2011-072. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2040.
Commissioning and performance of the ATLAS Transition Radiation Tracker with first high energy pp and Pb-Pb collisions at LHC / Schaepe, S (Bonn U.)
The ATLAS Transition Radiation Tracker (TRT) is the outermost of the three sub-systems of the ATLAS Inner Detector at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2011-001. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2041.
The ATLAS Tile Calorimeter performance at the LHC / Calkins, R (Northern Illinois U.)
The Tile Calorimeter (TileCal), the central section of the hadronic calorimeter of the ATLAS experiment, is a key detector component to detect hadrons, jets and taus and to measure the missing transverse energy. [...]
ATL-TILECAL-PROC-2011-004. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2042.
A new “Variable Resolution Associative Memory” for High Energy Physics / Annovi, A (Frascati) ; Amerio, S (INFN, Padua) ; Beretta, M (Frascati) ; Bossini, E (INFN, Pisa) ; Crescioli, F (INFN, Pisa) ; Dell'Orso, M (INFN, Pisa) ; Giannetti, P (INFN, Pisa) ; Hoff, J (Fermilab) ; Liberali, V (INFN, Milan) ; Liu, T (Fermilab) et al.
We describe an important advancement for the Associative Memory device (AM). [...]
ATL-UPGRADE-PROC-2011-004. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2043.
The ATLAS Liquid Argon Calorimeter: One year of LHC operation and future upgrade plans for HL-LHC / Krieger, P
An overview of the ATLAS liquid-argon calorimeter system is provided, along with a discussion of its operation and performance during the first year of LHC running. [...]
ATL-LARG-PROC-2011-001. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2044.
D meson production cross sections at ATLAS / Head, S J (Birmingham U.) /for the ATLAS collaboration
The production of $D^{*\pm}$, $D^\pm$ and $D^\pm_s$ charmed mesons has been measured with the ATLAS detector in $pp$ collisions at $\sqrt{s}=7$ TeV using an integrated luminosity of 1.1 nb$^{-1}$. The charmed mesons have been reconstructed in the range of transverse momentum $p_T(D^{(*)}) > 3.5$ GeV and pseudorapidity $|\eta(D^{(*)})| < 2.1$. [...]
ATL-PHYS-PROC-2011-034.- Geneva : CERN, 2011 - 6 p. - Published in : PoS BEAUTY2011 (2011) 027 Fulltext: PDF; Published version from PoS: PDF; External link: Original Communication (restricted to ATLAS)
In : 13th International Conference on B-Physics at Hadron Machines, Amsterdam, Netherlands, 4 - 8 Apr 2011, pp.027
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2045.
Measurement of Jet Mass and Substructure for Inclusive Jets in √s = 7 TeV pp Collisions with the ATLAS Experiment
At LHC energies, electroweak scale objects are often created well above threshold and can therefore be highly boosted. [...]
ATLAS-CONF-2011-073. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2046.
Estimation of SM backgrounds to SUSY search in the 1-lepton + jets + MET channel / Lorenz, Jeanette M. (Munich U.)
The ATLAS Collaboration has reported the first results of the search for SUSY particles in 1-lepton + 3 jets + MET final states. [...]
arXiv:1105.6207 ; ATL-PHYS-PROC-2011-035. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Full text - Fulltext
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2047.
Measurement of elliptic flow and higher-order flow coefficients with the ATLAS detector in $\sqrt{s_{\mathrm{NN}}}$=2.76 TeV Pb+Pb collisions
We present a differential measurement of the azimuthal anisotropy of the charged hadron production in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}$=2.76 TeV with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2011-074. - 2011. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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2048.
Centrality dependence of Jet Yields and Jet Fragmentation in Lead-Lead Collisions at √sNN = 2.76 TeV with the ATLAS detector at the LHC
Measurements are presented for jet spectra and jet yield central-to-peripheral ratios (RCP) and jet charged particle fragmentation distributions in √sNN = 2.76 TeV Pb+Pb collisions using data obtained from the Fall 2010 LHC Pb+Pb run. [...]
ATLAS-CONF-2011-075. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2049.
A Search for Lepton-Jets with Muons at ATLAS
We present a search for a new, light (∼1 GeV) boson decaying to muons in a final state consisting of collimated leptons (lepton-jets). [...]
ATLAS-CONF-2011-076. - 2011. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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2050.
Reconstruction, Energy Calibration, and Identification of Hadronically Decaying Tau Leptons
The reconstruction algorithm, energy calibration, and identification methods for hadronically decaying tau leptons in ATLAS are described in this note. [...]
ATLAS-CONF-2011-077. - 2011. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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2051.
Measurements of W Boson Yields in Pb+Pb at 2.76 TeV/nucleon via single muons with the ATLAS detector
We report on the first measurements of W boson production in lead-lead collisions measured by the ATLAS detector at the nucleon-nucleon centre of mass energy √sNN = 2.76 TeV. [...]
ATLAS-CONF-2011-078. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2052.
Jet measurements in ATLAS / Loch, Peter (Arizona U.)
The reconstruction of particle jets generated in the proton-proton collisions at the Large Hadron Collider (LHC) at a center of mass energy of sqrt(s) = 7 TeV with the ATLAS detector is discussed. [...]
ATL-PHYS-PROC-2011-036. - 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2053.
Exotic Search at ATLAS / Gingrich, Douglas M. (Alberta U. ; TRIUMF)
We present the first results of searches for new physics with the ATLAS detector using the 2010 Large Hadron Collider proton-proton collision data at a centre of mass energy of 7 TeV. [...]
arXiv:1105.5101 ; ATL-PHYS-PROC-2011-037. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Full text - Fulltext
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2054.
Non-SUSY Searches at ATLAS / Thompson, E.N. (Massachusetts U., Amherst)
The ATLAS detector has begun the search for new physics beyond the Standard Model (BSM) with \int L dt = ~45 pb-1 of data collected in 2010. [...]
arXiv:1105.5730. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-038 (2011-05-28) - Preprint - Full text - Full text
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2055.
Top mass reconstruction in ATLAS / Neusiedl, A (U. Mainz, PRISMA)
The top-quark mass is a fundamental parameter of the Standard Model. [...]
ATL-PHYS-PROC-2011-039. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2056.
Operation and Performance of the ATLAS Silicon Micro-strip Tracker / "Pylypchenko, Y (Oslo U.)
The SemiConductor Tracker (SCT) is the key precision tracking device in ATLAS, made from silicon micro-strip detectors processed in the planar p-in-n technology. [...]
ATL-INDET-PROC-2011-002. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2057.
Higgs Boson Searches at CMS and ATLAS / Quayle, W (Wisconsin U., Madison)
Searches for Higgs bosons decaying to a variety of final states have been performed with the CMS and ATLAS detectors in 35-38 pb$^{-1}$ of proton-proton collisions at the LHC. [...]
ATL-PHYS-PROC-2011-040. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2058.
Heavy Flavour Production at ATLAS / Dolezal, Z (Charles U.)
ATLAS is a general purpose detector built at the Large Hadron Collider at CERN, Geneva. [...]
ATL-PHYS-PROC-2011-041. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2059.
Electroweak and Top physics at ATLAS / Sandstroem, A R (Munich, Max Planck Inst. ; NIKHEF, Amsterdam)
The observation of electroweak boson ($W,Z$) and top quark pair ($tar{t}$) production is one of the key milestones for the early LHC physics programme. [...]
ATL-PHYS-PROC-2011-042. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2060.
RECENT RESULTS ON JETS WITH ATLAS / Pospelov, G (Munich, Max Planck Inst.)
Recent results on jets from proton-proton collisions at $sqrt{s}=7,{ m TeV}$ measured with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2011-043. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2061.
Recent results on top physics at ATLAS / Cristinziani, M. (Bonn U.)
During the 2010 pp run of the Large Hadron Collider at sqrt(s)=7 TeV, a substantial data sample of high pT triggers, 35/pb, has been collected by the ATLAS detector, corresponding to about 3,000 top-quark events containing at least one lepton in the final state. [...]
arXiv:1105.6302. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-044 (2011-05-31) - Preprint - Full text - fulltext
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2062.
Measurement of the centrality dependence of charged particle spectra and RCP in lead-lead collisions at √sNN = 2.76 TeV with the ATLAS detector at the LHC
Lead-lead collisions at the LHC provide an opportunity to study the properties of strongly interacting matter at the highest temperatures and energy densities ever achieved in the lab- oratory. [...]
ATLAS-CONF-2011-079. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2063.
Reconstruction and Calibration of Missing Transverse Energy and Performance in Z and W events in ATLAS Proton-Proton Collisions at 7 TeV
The missing transverse energy (etmiss) is studied in Wln and Zll events (where l is an electron or muon) selected in 2010 proton-proton collisions at a center-of-mass energy of 7 TeV collected by the ATLAS experiment. [...]
ATLAS-CONF-2011-080. - 2011. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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2064.
Update of the Search for New Physics in the Dijet Mass Distribution in 163 pb^-1 of pp Collisions at sqrt(s) = 7 TeV Measured with the ATLAS Detector
We present a search for new physics in the dijet mass distribution using 163 pb^-1 of data collected in 2011 with the ATLAS detector. [...]
ATLAS-CONF-2011-081. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2065.
Jet Production in p+p and Pb+Pb collisions from ATLAS / Dunford, M (CERN)
At the LHC, measurements of jet production cross sections is an important test of the Standard Model in a new unexplored energy region. [...]
ATL-PHYS-PROC-2011-045. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2066.
The ATLAS detector performance / Nicolaidou, Rosy (IRFU, SPP, Saclay) /for the ATLAS collaboration
The status and performance of the ATLAS detector with the data taken in 2010 from proton-proton (pp) collisions at the centre-of-mass energy of 7 TeV delivered by the Large Hadron Collider at CERN as well as from the heavy ion lead-lead collisions at centre-of-mass energy of 2.76 TeV, are presented in this paper. Highlights from physics results from pp collisions reviewed here, include studies on physics with jets, W and Z bosons as well as top quark pair production. [...]
ATL-PHYS-PROC-2011-046.- Geneva : CERN, 2011 - 10 p. - Published in : PoS BEAUTY2011 (2011) 041 Fulltext: PDF; Published version from PoS: PDF; External link: Original Communication (restricted to ATLAS)
In : 13th International Conference on B-Physics at Hadron Machines, Amsterdam, Netherlands, 4 - 8 Apr 2011, pp.041
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2067.
First observation of Z->τhτℓ Decays with the ATLAS detector / Larner, A (Oxford U.)
A study of Z-&gt;ττ decays has been performed with the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2011-047. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2068.
$B_s^0 \to J/\psi \phi$ - ATLAS / Dewhurst, A (Rutherford)
The study of the decay \Bst is of significant interest to particle physics as it allows the measurement of the \Bs mixing phase. The \BtoKns channel provides a valuable testing ground for measurements of \Bst due to its equivalent topology and similar helicity structure of the final states, with the advatage of higher statistics. [...]
ATL-PHYS-PROC-2011-048.- Geneva : CERN, 2011 - 6 p. - Published in : PoS: BEAUTY2011 (2011) , pp. 013 Fulltext: PDF; Published version from PoS: PDF; External link: Original Communication (restricted to ATLAS)
In : 13th International Conference on B-Physics at Hadron Machines, Amsterdam, Netherlands, 4 - 8 Apr 2011, pp.013
  Detailed record Copy itemCopy item
2069.
Search for high-mass states with one muon plus missing transverse momentum in proton-proton collisions at $\sqrt{s}= 7 TeV$ with the ATLAS detector
The ATLAS detector is used to search for high-mass states, such as heavy charged gauge bosons (W'), decaying to a muon and a neutrino. [...]
ATLAS-CONF-2011-082. - 2011. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2070.
Search for high mass dilepton resonances in pp collisions at sqrt{s} = 7 TeV with the ATLAS experiment
This note presents a search for high mass ee or mumu resonances in pp collisions at sqrt{s} = 7 TeV at the LHC. [...]
ATLAS-CONF-2011-083. - 2011. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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2071.
Measurement of the WZ to lllnu Production Cross Section in Proton-Proton Collisions at sqrt{s}=7 TeV with the ATLAS Detector
This note presents a measurement of \WZ production in collisions at sqrt{s}=7 using data collected by the ATLAS experiment in 2011..
ATLAS-CONF-2011-084. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2072.
Search for the Higgs Boson in the Diphoton Channel with the ATLAS Detector using 209 pb-1 of 7 TeV Data taken in 2011
This note presents the result of a search for a Higgs boson decaying into a pair of photons in pp collision data collected in 2011 with the ATLAS detector at a centre-of-mass energy of sqrt(s)=7 TeV. [...]
ATLAS-CONF-2011-085. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2073.
Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in $sqrt{s}=7TeV$ proton-proton collisions
A search for squarks and gluinos in final states containing jets, missing transverse mo- mentum and no electrons or muons is presented. [...]
ATLAS-CONF-2011-086. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2074.
Measurement of the production cross section for W- and Z-bosons in association with jets in ATLAS / Ask, Stefan (Cambridge U.)
We report on the measurements of inclusive W+jets and Z+jets cross sections in proton-proton collisions at sqrt{s} = 7 TeV with the ATLAS detector. [...]
arXiv:1106.2061 ; ATL-PHYS-PROC-2011-049. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-049 (2011-06-06) - Preprint - Full text
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2075.
A Search for $t\bar{t}$ Resonances in the Lepton Plus Jets Channel in 200 pb$^{-1}$ of $pp$ Collisions at $\sqrt{s} = 7$ TeV
A search for top quark pair ($t\bar{t}$) resonances in the lepton plus jets final states has been performed with the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2011-087. - 2011. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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2076.
Observation of t Channel Single Top-Quark Production in pp Collisions at $sqrt{s} = 7$~TeV with the ATLAS detector
We report the observation of single top-quark production in the t-channel mode using 156 pb-1 of $pp$ collision data at sqrt(s)=7 TeV recorded with the ATLAS detector at CERN. [...]
ATLAS-CONF-2011-088. - 2011. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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2077.
Calibrating the b-Tag Efficiency and Mistag Rate in 35 pb^{-1} of Data with the ATLAS Detector
The b-tag efficiency and mistag rate of two b-tagging algorithms have been measured with a number of complementary methods using data from the ATLAS detector. [...]
ATLAS-CONF-2011-089. - 2011. - 50 p.
Original Communication (restricted to ATLAS) - Full text
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2078.
Jet Reconstruction and Jet Quenching in Heavy Ion Collisions at ATLAS / Spousta, Martin (Charles U.)
We present a measurement of di-jet asymmetry and di-jet azimuthal correlations measured in Pb+Pb collisions at $sqrt{s_{NN}} = 2.76$ TeV using the ATLAS detector. [...]
arXiv:1106.1604. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Fulltext - Fulltext
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2079.
SUSY searches at ATLAS / Caron, S (Freiburg U.)
First ATLAS searches for signals of Supersymmetry in proton-proton collisions at the LHC are presented. [...]
ATL-PHYS-PROC-2011-051. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2080.
QCD at ATLAS: The Story So Far / Newman, Paul (Birmingham U.)
Many of the earliest ATLAS results based on 2010 LHC data are focused on strong interaction dynamics. [...]
ATL-PHYS-PROC-2011-052. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2081.
Measurements of standard model processes at ATLAS / Alison, John (Pennsylvania U.)
With over 45 pb−1 of 7 TeV pp collisions recorded, the ATLAS Standard Model physics program is well under way. [...]
arXiv:1106.1669 ; ATL-PHYS-PROC-2011-053 ; ATL-COM-PHYS-2011-640. - 2011. - 6 p.
Fulltext - Fulltext - Preprint - Full text
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2082.
Charged particle distributions and correlations in proton-proton collisions measured with the ATLAS detector / Di Nardo, R (Rome U.,Tor Vergata ; INFN, Rome)
We present soft-QCD measurements in proton-proton collisions at $sqrt{s}= 900$ GeV and $sqrt{s}= 7$ TeV recorded with the ATLAS detector at the LHC using a single-arm minimum bias trigger. [...]
ATL-PHYS-PROC-2011-054. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2083.
Higgs Boson Searches with ATLAS based on 2010 Data / Schumacher, Markus (Freiburg U.)
The results of Higgs Boson searches with the ATLAS detector based on 2010 proton proton collision data corresponding to integrated luminosities of up to 39 pb-1are presented [...]
arXiv:1106.2496 ; ATL-PHYS-PROC-2011-055. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-055 (2011-06-11) - Preprint - Full text - Fulltext - Fulltext - Fulltext
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2084.
HEAVY FLAVOUR PHYSICS AT ATLAS / Jones, RWL (Lancaster U.)
Early results on heavy flavours and onia from the ATLAS experiment are presented. [...]
ATL-PHYS-PROC-2011-056. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2085.
Inclusive jet cross section measurement in ATLAS / Vives, F (Barcelona, IFAE)
The inclusive jet cross section has been measured in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2011-057. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2086.
Search for supersymmetry with jets, missing transverse momentum and one lepton at sqrt(s) = 7 TeV
This note presents an update of the search for supersymmetry in final states containing one isolated electron or muon, jets, and missing transverse momentum from sqrt{s} = 7 TeV proton-proton collisions at the LHC, with 165 pb^{-1} of luminosity recorded by ATLAS in 2011..
ATLAS-CONF-2011-090. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2087.
QCD physics at ATLAS / Meoni, E (Barcelona, IFAE)
Proceedings of the"Les Rencontres de Physique de la Vallée d'Aoste" (La Thuile Conference, 2011)
ATL-PHYS-PROC-2011-058. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2088.
ATLAS data processing with GridPilot on NorduGrid and WLCG / Orellana, F ; Badensø, M ; Hansen, J B ; Debel, J ; Heisterkamp, S ; Jensen, A E
We present a novel tool for managing data processing on grid resources. [...]
ATL-SOFT-PUB-2011-002. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2089.
Popularity framework to process dataset tracers and its application on dynamic replica reduction in the ATLAS experiment / Molfetas, A ; Megino, F ; Tykhonov, A ; Garonne, V ; Campana, S ; Lassnig, M ; Barisits, M ; Dimitrov, G ; Viegas, F
The ATLAS experiment's data management system is constantly tracing file movement operations that occur on the Worldwide LHC Computing Grid (WLCG). [...]
ATL-SOFT-PROC-2011-041. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2090.
ATLAS Detector Data Processing on the Grid / Klimentov, A (Brookhaven Natl. Lab.) ; Nevski, P (Brookhaven Natl. Lab.) ; Strandberg, J (Nordita) ; Tojo, J (KEK, Tsukuba) ; Vaniachine, A (Argonne) ; Walker, R (Munich U.)
The ATLAS detector is in the second year of the LHC long run. [...]
ATL-SOFT-PROC-2011-042. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2091.
Top-quark pair cross-section measurement in the lepton+jets channel / Pinamonti, Michele (INFN, Udine ; Trieste U.)
A measurement of the production cross-section for top quark pairs in $pp$ collisions at $\sqrt{s}$ =7 TeV is presented using data recorded with the ATLAS detector at the Large Hadron Collider (LHC). [...]
arXiv:1106.3833. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-059 (17-06-2011) - Preprint - Fulltext
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2092.
Heavy Ion Physics with the ATLAS Detector at the LHC / Steinberg, P (Brookhaven)
First results on jet, $Jpsi$ and $Z$ production are presented from the first lead-lead run at the LHC, using the ATLAS detector. [...]
ATL-PHYS-PROC-2011-060. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2093.
Interpretation of same-sign dilepton events at ATLAS with a simplified SUSY model
A search for supersymmetric particles was performed in events with two like-sign leptons using 35 pb^-1 of integrated luminosity recorded by the ATLAS detector in pp collisions at sqrt(s)=7 TeV. [...]
ATLAS-CONF-2011-091. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2094.
Dimuon reconstruction for B physics in ATLAS / Corradi, M (INFN, Bologna) /for the ATLAS collaboration
The performance of the ATLAS muon reconstruction and trigger during the 2010 data taking are reviewed, with particular emphasys on the dimuon sample to be used for the ATLAS B physics programme..
ATL-MUON-PROC-2011-002.- Geneva : CERN, 2011 - 8 p. - Published in : PoS BEAUTY2011 (2011) 011 Fulltext: PDF; Published version from PoS: PDF; External link: Original Communication (restricted to ATLAS)
In : 13th International Conference on B-Physics at Hadron Machines, Amsterdam, Netherlands, 4 - 8 Apr 2011, pp.011
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2095.
W and Z Boson Production Cross Section Measurements in ATLAS / Martinez Outschoorn, Verena
The electroweak boson inclusive production cross sections and their ratios are described in the electron and muon decay channels. [...]
arXiv:1110.2054 ; ATL-PHYS-PROC-2011-061. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-061 (2011-06-26) - Preprint - Fulltext - Full text
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2096.
Measurement of Inclusive Two-Particle Angular Correlations in pp Collisions at ATLAS / Oropeza Barrera, C (Glasgow U.)
Proceedings for the XIX International Workshop on Deep-Inelastic Scattering and Related Subjects describing the measurement on inclusive two-particle angular correlations at 7 TeV..
ATL-PHYS-PROC-2011-062. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2097.
Top cross section measurement at ATLAS / Okumura, Y (Nagoya U.)
Measurements of the production cross section of top-quark pairs in pp collisions at sqrt(s) = 7 TeV are presented using 35/pb of data recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2011-063. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2098.
Beyond Standard Model Searches at ATLAS / Lenz, T (Wuppertal U.)
These proceedings review recent searches for physics beyond the Standard Model (BSM) with the ATLAS experiment. [...]
ATL-PHYS-PROC-2011-064. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2099.
Searches for supersymmetry with the ATLAS detector / Lari, T (INFN, Milan)
First ATLAS searches for signals of Supersymmetry in proton-proton collisions at the LHC are presented. [...]
ATL-PHYS-PROC-2011-065. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2100.
Searches for new physics with jets in ATLAS / Salvachua, B (Argonne)
We present the latest results of searches for new physics beyond the Standard Model with jets in the final state using the ATLAS detector. [...]
ATL-PHYS-PROC-2011-066. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2101.
ATLAS tunes of PYTHIA 6 and Pythia 8 for MC11
We present the latest developments of the ATLAS MC generator tuning project for the Pythia family of event generators, including the C++ Pythia 8 code for the first time. [...]
ATL-PHYS-PUB-2011-009. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2102.
Centrality dependence of charged particle spectra and RCP in Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV with the ATLAS detector at the LHC / Milov, Alexander (Weizmann Inst.)
The ATLAS experiment at the LHC measures the charged particle spectra and the nuclear modification factor in Pb+Pb collisions at the \sqrt{s_{NN}}=2.76TeV in a transverse momentum range up to 30 GeV and a pseudorapidity range up to |\eta| < 2.5. [...]
arXiv:1107.0460 ; ATL-PHYS-PROC-2011-067. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-067 (2011-07-02) - Preprint - Full text - Fulltext
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2103.
Measurement of jet cross sections in ATLAS / Poveda, J (Wisconsin U., Madison )
Jet cross sections have been measured in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector. [...]
ATL-PHYS-PROC-2011-068. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2104.
Leptonic observables in $\sqrt{s_{NN}}=2.76$~TeV Pb+Pb collisions measured with the ATLAS detector at the LHC / Sandstroem, A R (Munich, Max Planck Inst.)
We report on the first measurements of $J/\psi$, $W$ and $Z$ boson production in lead-lead collisions measured by the ATLAS detector at the nucleon-nucleon centre of mass energy $\sqrt{s_{NN}} = 2.76$~TeV. [...]
ATL-PHYS-PROC-2011-069. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2105.
Measurement of the B0 and Bs0 lifetimes in the decay modes B0 → J/ψK∗0 and Bs0 → J/ψφ in ATLAS
The lifetimes of B0 and B0 mesons are determined from their decays Bd0 → J/ψK∗0 and Bs0 →J/ψφ reconstructed in ATLAS using the pp collisions data at acenter-of-mass energy of 7 TeV corresponding to an integrated luminosity of 40 pb−1. [...]
ATLAS-CONF-2011-092. - 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2106.
Charged particle multiplicity in Pb+Pb collisions at sqrt{s}=2.76 TeV by ATLAS expriment / Chen, Y (Columbia U.)
We present the study of charged particle pseudorapidity density distribution over a broad range of pseudorapidity and centrality in Pb+Pb collisions at $sqrt{s_{NN}} = 2.76$~TeV with ATLAS detector at LHC. [...]
ATL-PHYS-PROC-2011-070. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2107.
Exclusive heavy flavor production in ATLAS / Chiodini, G (INFN, Lecce)
The ATLAS experiment has studied exclusive heavy flavor production, measured production cross sections of J/Psi and D mesons, and observed B meson decays with a J/Psi in the final state with 2010 data at LHC. [...]
ATL-PHYS-PROC-2011-071. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2108.
Higgs Searches with ATLAS / Moeser, N (Bonn U.)
A number of Higgs boson searches were performed with the first $unit[45]{pb^{-1}}$ of data collected with the ATLAS detector in 2010. [...]
ATL-PHYS-PROC-2011-072. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2109.
Recent Heavy Ion Results with the ATLAS Detector at the LHC / Steinberg, Peter (Brookhaven)
Results are presented from the ATLAS collaboration from the 2010 LHC heavy ion run, during which nearly 10 inverse microbarns of luminosity were delivered. [...]
ATL-PHYS-PROC-2011-073 ; arXiv:1107.2182. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-073 (2011-07-06) - Preprint - Full text
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2110.
First searches for single top quark production with ATLAS / Tardif, D (Toronto U.)
Searches for single top quark production in the t- and Wt-channels have been carried out in 35 pb-1 of 7 TeV proton-proton collision data collected using the ATLAS detector during the 2010 LHC run. [...]
ATL-PHYS-PROC-2011-074. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2111.
Measurement of hadronic tau decay identification efficiency using W->taunu events
A study to determine the hadronic tau identification efficiency with W->taunu events is reported, using data collected with the ATLAS detector, corresponding to a luminosity of 34 pb-1. [...]
ATLAS-CONF-2011-093. - 2011. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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2112.
Measurement of elliptic and higher order flow from ATLAS experiment at the LHC / Jia, Jiangyong (SUNY, Stony Brook, Chem. Dept. ; Brookhaven)
We present a differential measurement of the azimuthal anisotropy of charged hadron production in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}$=2.76 TeV. [...]
arXiv:1107.1468. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-075 (2011-07-07) - Preprint - Preprint - Fulltext
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2113.
Silicon strip detectors for the ATLAS upgrade / Gonzalez Sevilla, S
The Large Hadron Collider at CERN will extend its current physics program by increasing the peak luminosity by one order of magnitude. [...]
ATL-UPGRADE-PUB-2011-001. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2114.
Top physics with the ATLAS detector / Helsens, C. (Barcelona, IFAE)
During the 2010 CERN Large Hadron Collider operation at $sqrt{s}$ = 7 TeV, 35 pb$^{-1}$ of high $p_T$ triggers has been collected by the ATLAS detector. [...]
arXiv:1107.2899. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-076 (2011-07-08) - Preprint - Full text
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2115.
Measurement of Jets and Jet Quenching in $oldmath sqrt{s_{mathrm{NN}}}=2.76$~TeV Lead-Lead Collisions with the ATLAS detector at the LHC / Angerami, Aaron (Columbia U.)
Measurement of Jets and Jet Quenching in $oldmath sqrt{s_{mathrm{NN}}}=2.76$~TeV Lead-Lead Collisions with the ATLAS detector at the LHC} author{Aaron Angerami$^dagger$ on behalf of the ATLAS Collaboration} address{$^dagger$Columbia University, Nevis Labs, Irvington, NY, 10533, USA} ead{angerami@cern.ch} egin{abstract} We present the first results of single jet observables in~PbPb collisions at $sqrt{s_{mathrm{NN}}}=2.76$~TeV measured with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2011-077. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2116.
Jet probes of $sqrt{s_{NN}} = 2.76$~TeV Pb+Pb collisions with the ATLAS detector / Cole, B (Columbia U.)
The ATLAS detector provides excellent capabilities for reconstructing jets in PbPb collisions with highly segmented calorimeters covering the pseudo-rapidity interval $|eta|&lt;5$. [...]
ATL-PHYS-PROC-2011-078. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2117.
Open b and $b\bar{b}$ cross section using inclusive and exclusive channels at ATLAS / Christidi, I A (Imperial Coll., London) /for the ATLAS collaboration
The production of b-quarks in proton-proton collisions at the LHC provides an important test of perturbative QCD. The cross-section can either be measured inclusively, using all tagged b-jets, or exclusively, exploiting specific B-hadron decay final states. [...]
ATL-PHYS-PROC-2011-079.- Geneva : CERN, 2011 - 8 p. - Published in : PoS BEAUTY2011 (2011) 009 Fulltext: PDF; Published version from PoS: PDF; External link: Original Communication (restricted to ATLAS)
In : 13th International Conference on B-Physics at Hadron Machines, Amsterdam, Netherlands, 4 - 8 Apr 2011, pp.009
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2118.
Measurement of elliptic flow and higher-order flow harmonics from the event plane and two particle correlation methods in $\sqrt{s_{NN}}$ = 2.76 TeV Pb+Pb collisions with the ATLAS detector at the LHC / Trzupek, A (Cracow, INP)
The measurement of elliptic flow of charged particles in Pb+Pb collisions with the ATLAS detector is presented in a wide range of transverse momentum ($p_T$), pseudorapidity ($\eta$) and collision centrality. [...]
ATL-PHYS-PROC-2011-080. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2119.
J/Psi and Z production in p+p and Pb+Pb collisions at the LHC measured with the ATLAS detector. / Beckingham, M (Freiburg U.)
Measurements of the production of J/Ψ mesons and Z bosons at the LHC provides tests of the Standard Model in a new energy regime for proton-proton collisions, as well providing a probe of the matter produced in heavy ion collisions. [...]
ATL-PHYS-PROC-2011-081. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2120.
Measurements of isolated prompt photons in pp collisions at 7 TeV in ATLAS / Marchiori, Giovanni
Two recent measurements of the cross section for the inclusive production of isolated prompt photons in pp collisions at a center-of-mass energy sqrt(s) = 7 TeV are presented. [...]
arXiv:1107.2200 ; ATL-PHYS-PROC-2011-082. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-082 (2011-07-13) - Preprint - Full text - Fulltext
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2121.
Top quark mass and properties at ATLAS / Fiolhais, M C N (LIP, Coimbra)
The measurements of the top quark mass and other top quark properties in the lepton+jets and dilepton channels at ATLAS are presented in this paper with emphasis on the current understanding of the systematic uncertainties. [...]
ATL-PHYS-PROC-2011-083. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2122.
W and Z physics with the ATLAS detector / Makovec, N (Orsay, LAL)
We present measurements involving W and Z bosons production in $pp$ collisions at $sqrt{s}$=7~TeV with an integrated luminosity of $sim$35~pb$^{-1}$ recorded by the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2011-084. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2123.
Inclusive $b\bar{b}$ production in ATLAS / Ruiz Martinez, A (Iowa State U.)
The QCD production of high-$p_{\rm{T}}$ $B$-hadrons is an important process as a probe of perturbative QCD. [...]
ATL-PHYS-PROC-2011-085. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2124.
Measurement of multi-jet cross-sections in proton-proton collisions at 7~TeV center-of-mass energy in ATLAS / Zinonos, Z (Pisa U.)
Inclusive multi-jet production is studied using the ATLAS detector for proton-proton collisions with a center-of-mass energy of 7 TeV. [...]
ATL-PHYS-PROC-2011-086. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2125.
A Search for a light charged Higgs boson decaying to cs ̄ in pp collisions at √s = 7 TeV with the ATLAS detector
We present the search results for a light charged Higgs boson produced in top quark decays and decaying into two jets in pp collisions at √s = 7 TeV with the ATLAS detec- tor. [...]
ATLAS-CONF-2011-094. - 2011. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2126.
SUSY Searches at ATLAS / Barlow, N (Cambridge U.)
Results are presented on searches for Supersymmetric particles in a dataset corresponding toan integrated luminosity of 34pb−1 recorded by the ATLAS detector at the Large Hadron Collider (LHC) at CERN. [...]
ATL-PHYS-PROC-2011-087. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2127.
Jet Shapes in ATLAS and MC modeling
In this note we present results on the comparison between the measured jet shapes in inclusive jet production published by ATLAS with a variety of Monte Carlo predictions. [...]
ATL-PHYS-PUB-2011-010. - 2011. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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2128.
Search for New Physics in Dijet Mass Distributions in 0.81 fb^-1 of pp Collisions at sqrt(s) = 7 TeV
Invariant mass distributions of jet pairs (dijets) produced in LHC proton-proton collisions at a center-of-mass energy sqrt(s) = 7 TeV have been studied with the ATLAS detector using a data set acquired in 2011 with an integrated luminosity of 0.81 fb^-1. [...]
ATLAS-CONF-2011-095. - 2011. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2129.
Search for New Phenomena in Monojet plus Missing Transverse Momentum Final States using 1~fb-1 of pp Collisions at sqrt{s}=7 TeV with the ATLAS Detector
We report preliminary results on a search for new physics in an event sample with monojets and large missing transverse momentum in the final state. [...]
ATLAS-CONF-2011-096. - 2011. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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2130.
Invariant mass distribution of jet pairs produced in association with a leptonically decaying $W$ boson using 1.02 fb**-1 of ATLAS data
This note presents an updated study of the invariant mass distribution of jet pairs produced in association with a leptonically decaying $W$ boson in the ATLAS detector in proton-proton collisions at sqrt(s) = 7 TeV. [...]
ATLAS-CONF-2011-097. - 2011. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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2131.
Search for supersymmetry in pp collisions at sqrt(s) = 7TeV in final states with missing transverse momentum, b-jets and no leptons with the ATLAS detector
A search for supersymmetric particles in events with large missing transverse momentum, heavy flavour jet candidates and no leptons (e, mu) in sqrt(s) = 7TeV proton-proton collisions is presented. [...]
ATLAS-CONF-2011-098. - 2011. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2132.
Measurement of the W±Z Production Cross-Section in Proton-Proton Collisions at √s = 7 TeV with the ATLAS Detector
This note presents a measurement of W±Z production in 822 pb−1 of pp collision data at √s = 7 TeV collected by the ATLAS experiment in 2011. [...]
ATLAS-CONF-2011-099. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2133.
Measurement of the top quark pair production cross section in pp collisions at √s = 7 TeV in dilepton final states with ATLAS
A measurement of the production cross section of top quark pairs in proton-proton collisions at a center-of-mass energy of 7~TeV recorded with the ATLAS detector at the Large Hadron Collider is reported. [...]
ATLAS-CONF-2011-100. - 2011. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2134.
Measurement of the t-channel Single Top-Quark Production Cross Section in 0.70fb^-1 of pp Collisions at sqrt(s) = 7 TeV with the ATLAS detector
We report a measurement of the cross section of single top-quark production in the t-channel mode using 0.70 fb^-1 of pp collision data sqrt(s)=7 TeV recorded with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2011-101. - 2011. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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2135.
Commissioning of the ATLAS high-performance b-tagging algorithms in the 7 TeV collision data
The ability to identify jets containing $b$-hadrons is important for the high-pT physics program of a general-purpose experiment at the LHC such as ATLAS. [...]
ATLAS-CONF-2011-102. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2136.
Search for the Standard Model Higgs boson produced in association with a vector boson and decaying to a b-quark pair with the ATLAS detector at the LHC
This note summarizes results on a first direct search for the Standard Model Higgs boson with a mass in the range 110 &lt; mH &lt; 130 GeV when produced in association with a W or Z boson and decaying to b¯ b. [...]
ATLAS-CONF-2011-103. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2137.
Search for W+t single-top events in the dileptonic channel at ATLAS
We present the results of a search for W-associated (Wt-channel) single top quark production in 7~TeV pp collisions with the ATLAS detector at the LHC [...]
ATLAS-CONF-2011-104. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2138.
Observation of the decay $B^0_d \to J/\psi (\mu^+\mu^-) K^0_S (\pi^+\pi^-) $ with the ATLAS experiment at the LHC
The production of $B_d^0$ mesons is observed with the ATLAS experiment at the LHC through their decays to $B_d^0 \to J/\psi(\mu^+\mu^-) K^0_S(\pi^+\pi^-)$. [...]
ATLAS-CONF-2011-105. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2139.
Searches for SUSY with ATLAS / Bressler, S (Technion)
Searches for various super-symmetry signatures were performed using a data sample of approximately $35~ipb$ from $pp$ collisions at $sqrt{s} = 7TeV$ collected by the ATLAS detector at the LHC in 2010. [...]
ATL-PHYS-PROC-2011-088. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2140.
ATLAS ID performance at LHC / Cornelissen, T G (Wuppertal U.)
Since the LHC startup in 2009, the ATLAS inner tracker has played a central role in many ATLAS physics analyses. [...]
ATL-PHYS-PROC-2011-089. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2141.
Measurement of the charge asymmetry in top quark pair production in pp collisions at sqrt{s}=7 TeV using the ATLAS detector
A measurement of the top-antitop charge asymmetry is presented using data corresponding to an integrated luminosity of 0.70${\rm fb}^{-1}$ of $pp$ collisions at $\sqrt{s} = 7$ TeV collected by the ATLAS detector [...]
ATLAS-CONF-2011-106. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2142.
Measurement of the ZZ production cross section in proton-proton collisions at 7 TeV with the ATLAS detector
A measurement of the ZZ production cross section in proton-proton collisions at $sqrt{s} = 7TeV$ using data collected by the ATLAS experiment at the LHC is presented. [...]
ATLAS-CONF-2011-107. - 2011. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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2143.
Combined searches for the Higgs boson with ATLAS and CMS / Cranmer, Kyle (New York U.)
This document outlines the conceptual challenges involved in forming the combined statistical model of several ATLAS and CMS searches for the Higgs boson, as well as the technology developed to form such a complicated model and the statistical tests the group is considering for the initial result..
ATL-PHYS-PROC-2011-090. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published version from CERN
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2144.
Measurement of the top quark pair production cross-section based on a statistical combination of measurements of dilepton and single-lepton final states at √s = 7 TeV with the ATLAS detector
We present a measurement of the top quark pair production cross-section based on a statistical combination of measurements using dilepton final states with 0.70 fb−1 of data and single-lepton final states with 35 pb−1 of data. [...]
ATLAS-CONF-2011-108. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2145.
Search for a heavy neutral particle decaying into an electron and a muon pair using L = 0.87 $fb^{-1}$ of ATLAS data
A search for a high mass neutral particle that decays directly to the $e^\pm \mu^\mp$ final state is presented. [...]
ATLAS-CONF-2011-109. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2146.
Measurement of the W+W− production cross section in proton-proton collisions at √s = 7 TeV with the ATLAS detector
We report a measurement of the W+W− production cross section in pp collisions at sqrt(s) = 7 TeV. [...]
ATLAS-CONF-2011-110. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2147.
J/psi production in pp and heavy-ion collisions at ATLAS / Hus, S-C (LBL, Berkeley)
The inclusive J/psi production cross-section and fraction of J/Psi mesons produced in B-hadron decays are measured in proton-proton collisions at \sqrt{s}=7 TeV with the ATLAS detector at the LHC, as a function of the transverse momentum and rapidity of the J/Psi, using 2.3~pb-1 of the integrated luminosity. [...]
ATL-PHYS-PROC-2011-091. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2148.
QCD and Top physics studies in proton-proton collisions at 7 TeV centre-of-mass energy with the ATLAS detector / Barisonzi, M (Wuppertal U.)
Beginning from 2010, ATLAS collected proton-proton collision data at a centre-of-mass energy of 7~TeV, accumulating by the Spring of 2011 an integrated luminosity of ~200 inverse picobarn. [...]
ATL-PHYS-PROC-2011-092. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2149.
Electroweak results with the ATLAS 2010 data / Dell'Asta, L (INFN, Milan)
The ATLAS Experiment is one of the two multi-purpose detectors at the LHC. [...]
ATL-PHYS-PROC-2011-093. - 2011. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2150.
In Situ Measurements of the Jet Energy Scale in ATLAS / Schouten, D (TRIUMF)
Hadron jets are the most commonly observed objects in p-p collisions at the Large Hadron Collider at CERN. [...]
ATL-PHYS-PROC-2011-094. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2151.
The Inelastic Cross-Section and Prospects for Elastic Measurements with ATLAS / Tompkins, L (LBL, Berkeley)
A first measurement of the inelastic cross-section of proton-proton collisions at $sqrt{s}~=$~7~TeV using the ATLAS detector at the Large Hadron Collider is presented. [...]
ATL-PHYS-PROC-2011-095. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2152.
Search for the Higgs boson in the H->WW->lnln decay mode with the ATLAS Detector
A Higgs boson search in the \hwwlnln\ ($\ell=e,\mu$) decay mode has been performed using \lumi\ fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of 7 TeV collected with the ATLAS detector. [...]
ATLAS-CONF-2011-111. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2153.
Combination of the Searches for the Higgs Boson in ~1 fb−1 of Data Taken with the ATLAS Detector at 7 TeV Center-of-Mass Energy
This note presents the result of the combination of the searches for the Standard Model Higgs boson using 1.0 fb-1 of data taken with the ATLAS detector at a centre-of-mass energy of 7 TeV. [...]
ATLAS-CONF-2011-112. - 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2154.
Measurement of the Mis-identification Probability of τ Leptons from Hadronic Jets and from Electrons
Measurements of the mis-identification probability of QCD jets and electrons as hadronically decaying τ leptons using tag-and-probe methods are described. [...]
ATLAS-CONF-2011-113. - 2011. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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2155.
Performance of the Electron and Photon Trigger in p-p Collisions at sqrt(s) = 7 TeV
Events with electrons and photons (e/$\gamma$) in the final state are important signatures for many physics analyses at the LHC. [...]
ATLAS-CONF-2011-114. - 2011. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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2156.
A Search for Heavy Majorana Neutrino and WR in dilepton plus jets events with the ATLAS detector in pp collisions at √s = 7TeV
This note reports on a search for hypothetical heavy Majorana neutrinos and $W_R$ gauge bosons in the context of the Left-Right Symmetric Model, in events with two isolated high-\pT\ same-sign or opposite-sign leptons and high-\pT\ hadronic jets. [...]
ATLAS-CONF-2011-115. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2157.
Procedure for the LHC Higgs boson search combination in summer 2011
In this note, we report the results of the technical combination exercises conducted by the group during winter-spring 2011 and summarize the decisions taken in preparation for the statistical combination of the Standard Model Higgs searches at the LHC. [...]
ATL-PHYS-PUB-2011-011. - 2011. - 46 p.
Original Communication (restricted to ATLAS) - Full text
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2158.
Luminosity Determination in pp Collisions at sqrt(s) = 7 TeV using the ATLAS Detector in 2011
The luminosity calibration for the ATLAS detector at the LHC during pp collisions at sqrt(s) = 7 TeV in 2011 is presented. [...]
ATLAS-CONF-2011-116. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2159.
Measurement of spin correlation in $t \bar{t}$ production from $pp$ collisions at $\sqrt{s}=7$ TeV using the ATLAS detector
The ATLAS collaboration has performed a study of spin correlation in $t\bar{t}$ production from proton-proton collisions at a centre-of-mass energy of 7 TeV using 0.70 fb$^{-1}$ of data. [...]
ATLAS-CONF-2011-117. - 2011. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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2160.
Search for s-Channel Single Top-Quark Production in $pp$ Collisions at $\sqrt{s}$ = 7 TeV
A search for s-channel single top-quark production in 0.70 fb-1 of LHC pp collision data collected with the ATLAS detector at a center-of-mass energy of 7 TeV is presented. [...]
ATLAS-CONF-2011-118. - 2011. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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2161.
Measurement of the top quark pair production cross section in pp collisions at $\sqrt{s}=$ 7 TeV in $\mu$+$\tau$ final states with ATLAS.
A measurement of the cross section of top quark pairs production in proton$-$proton collisions at 7 TeV using events with an isolated $\mu$ and a $\tau$ lepton decaying hadronically is reported [...]
ATLAS-CONF-2011-119. - 2011. - 33 p.
Original Communication (restricted to ATLAS) - Full text
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2162.
Measurement of the top quark mass from 2011 ATLAS data using the template method
The top-quark mass (mtop) has been measured using the template method in the channel tt ̄ → lepton+jets (lepton=e, mu) based on ATLAS data recorded in the year 2011. [...]
ATLAS-CONF-2011-120. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2163.
Measurement of the ttbar production cross-section in pp collisions at sqrt{s} = 7 TeV using kinematic information of lepton+jets events
A measurement of the ttbar production cross section in pp collisions at a center-of-mass energy of sqrt{s}=7 TeV is presented. [...]
ATLAS-CONF-2011-121. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2164.
Measurement of the W boson polarisation in top quark decays in 0.70 fb$^{-1}$ of pp collisions at sqrt(s)=7 TeV with the ATLAS detector
Measurements of the helicities of W bosons in top quark decays and angular asymmetries are presented in this note. [...]
ATLAS-CONF-2011-122. - 2011. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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2165.
A Search for ttbar Resonances in the Dilepton Channel in 1.04/fb of pp Collisions at sqrt(s) = 7 TeV
This note presents a search for a high mass ttbar resonance in pp collisions at \sqrt(s) = 7 TeV at the LHC. [...]
ATLAS-CONF-2011-123. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2166.
Forward Physics Results from ATLAS / Viti, M
In this paper the main forward ATLAS detectors will be presented with their description and implementation. [...]
ATL-PHYS-PROC-2011-096. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2167.
Top Quark Mass and Top Properties at ATLAS / Ta, Duc Bao (NIKHEF, Amsterdam)
The measurement of the top quark mass and other top quark properties, such as the $W$ boson polarization, flavor changing neutral currents (FCNC), anomalous production with large missing transverse energy ($met$) and charge asymmetry in top quark pair ( tbar) production, at ATLAS~cite{} are presented in this paper. [...]
ATL-PHYS-PROC-2011-097. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2168.
Recent Higgs results from ATLAS / Escalier, Marc (Orsay, LAL)
In the context of the Standard Model and of scenarios beyond the Standard Model, results of Higgs boson searches of the ATLAS experiment are presented for 2010 and 2011 data. [...]
ATL-PHYS-PROC-2011-098. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2169.
Inclusive b-jet Production in ATLAS / Jussel, P (Innsbruck U.)
The production of high-pT b-jets at the Large Hadron Collider LHC is an important process probing perturbative QCD at next-to-leading order. [...]
ATL-PHYS-PROC-2011-099. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2170.
Comparison of D^(*) meson production cross sections with FONLL and GM-VFNS predictions
The differential cross sections for D*+- and D+- production, measured with the ATLAS detector in pp collisions at sqrt{s}=7TeV using an integrated luminosity of 1.1 nb^{-1}, have been compared with the FONLLL and GM-VFNS calculations. [...]
ATL-PHYS-PUB-2011-012. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2171.
ATLAS Measurements of Isolated Photon Cross-Sections / Fanti, Marcello (Milan U. ; INFN, Milan)
A measurement of the cross section for the inclusive production of isolated prompt photons in pp collisions at a centre-of-mass energy $sqrt{s}=7$~TeV is presented, as well as a measurement of di-photon production. [...]
ATL-PHYS-PROC-2011-100. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2172.
W and Z Production measured using the ATLAS Detector and impact on Parton Densities of the proton / Chouridou, S (UC, Santa Cruz)
Inclusive and differential cross sections for W and Z production are presented, as well as the lepton charge asymmetry as a function of lepton pseudorapidity. [...]
ATL-PHYS-PROC-2011-101. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2173.
Observation of the decay $\Lambda_b^0\to J/\psi(\mu^+\mu^-) \Lambda^0 (p^+\pi^-)$ with the ATLAS experiment at the LHC
The production of $\Lambda_b^0$ baryons is observed with the ATLAS experiment at the LHC through their decays $\Lambda_b^0\to J/\psi(\mu^+\mu^-) \Lambda^0 (p^+\pi^-)$. [...]
ATLAS-CONF-2011-124. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2174.
Standard Model Higgs Boson Searches in ATLAS / Vossebeld, J (Liverpool U.)
Searches in the ATLAS experiment for a standard model Higgs boson in different decay channels are presented. [...]
ATL-PHYS-PROC-2011-102. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2175.
Heavy Hadron Production and Spectroscopy at ATLAS / Schiavi, C (INFN, Genoa)
ATLAS has studied heavy flavor production and measured the production cross sections of heavy quarkonia, open bottom and charm. [...]
ATL-PHYS-PROC-2011-103. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2176.
Top Quark Production Measurements at ATLAS / Calkins, Robert
An overview of top quark production measurements using the ATLAS detector at the LHC is presented. [...]
arXiv:1110.1027. - 2012-04-20. - 3 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-104 (2011-09-04) - Preprint - Preprint - Fulltext
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2177.
Searches for high mass dilepton resonances in pp collisions at sqrt(s) = 7 TeV with the ATLAS Experiment / Olivito, D.
The ATLAS detector has been used to search for high mass ee or mumu resonances, such as new heavy neutral gauge bosons. [...]
arXiv:1109.0934. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Full text
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2178.
Measurements of vector-meson production with the ATLAS detector / Pasztor, G (Geneva U.)
The inclusive Jpsi production cross-section and the fraction of Jpsi mesons produced in B-hadron decays in proton--proton collisions at $ ts=7$~TeV are presented. [...]
ATL-PHYS-PROC-2011-106. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2179.
Charged Particle Production in Pb+Pb Collisions at √sNN = 2.76 TeV with the ATLAS Detector at LHC / Derendarz, D (Cracow, INP)
A broad program of measurements using heavy ion collisions is underway in ATLAS, with the aim of studying the properties of QCD matter at high temperatures and densities. [...]
ATL-PHYS-PROC-2011-107. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2180.
Initial Measurements On Pixel Detector Modules For The ATLAS Upgrades / Gallrapp, C (CERN)
Sophisticated conditions in terms of peak and integrated luminosity in the Large Hadron Collider (LHC) will raise the ATLAS Pixel detector to its performance limits. [...]
ATL-INDET-PROC-2011-003. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2181.
Search for Supersymmetry in events with large missing transverse momentum, at least one b-jet candidate and at least one electron or muon in 7 TeV pp collisions with the ATLAS detector / Winkelmann, S (Freiburg U.)
Supersymmetry (SUSY) is a well motivated theory for physics beyond the standard model, which solves the hierarchy problem and provides a dark matter candidate if R-parity is conserved (lightest SUSY particle, LSP). [...]
ATL-PHYS-PROC-2011-108. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2182.
Exotics Searches for New Physics with the ATLAS Detector / Abdallah, Jalal (Barcelona, IFAE)
This conference report presents a compilation of some of the latest results on the Exotics searches in ATLAS. [...]
ATL-PHYS-PROC-2011-109. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2183.
Calibration of the ATLAS hadronic barrel calorimeter TileCal using 2008, 2009 and 2010 cosmic-ray muon data / Weng, Z (Taiwan, Inst. Phys. ; SYSU, Guangzhou)
The ATLAS iron-scintillator hadronic calorimeter (TileCal) provides precision measurements of jets and missing transverse energy produced in the LHC proton-proton collisions. [...]
ATL-TILECAL-PROC-2011-005. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2184.
Search for R-Parity Violating Supersymmetry and Long-Lived Particles with the ATLAS Detector / Mazur, M (Bonn U.)
We present the results of two recent searches for physics beyond the Standard Model in pp-collision data with a center-of-mass energy of 7 TeV collected by the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2011-110. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2185.
Elliptic and higher order flow measured in a large phase space in $\sqrt{s_{NN}}$ = 2.76 TeV Lead-Lead Collisions / Mohapatra, Soumya (SUNY, Stony Brook)
We present the measurements of flow harmonics $v_2$-$v_6$ using the Event Plane (EP) method and Two Particle Correlations (2PC) in broad $p_T$, $eta$ and centrality ranges using the ATLAS detector at LHC. [...]
ATL-PHYS-PROC-2011-111. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2186.
Alignment of the Muon Spectrometer in ATLAS / Aefsky, S (Brandeis U.)
The ATLAS muon spectrometer is designed to measure the momentum of a 1 TeV/c muon to an accuracy of 10%. [...]
ATL-MUON-PROC-2011-003. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2187.
Operation and Performance of the ATLAS Silicon Microstrip Tracker / Haefner, P (Munich, Max Planck Inst.)
Proceedings of SCT talk at the 20th Anniversary Vertex Conference [...]
ATL-INDET-PROC-2011-004. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2188.
Measurement of the W + Jets Production Cross Section with ATLAS / Jen-La Plante, I (Chicago U.)
The associated production of jets with a W-boson provides a proving ground for perturbative QCD predictions and an important background to other interesting processes in the Standard Model and beyond. [...]
ATL-PHYS-PROC-2011-112. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2189.
The TileCal Optical Multiplexer Board 9U / Valero, A (Valencia U., IFIC)
TileCal is the hadronic calorimeter of the ATLAS experiment at LHC/CERN. [...]
ATL-TILECAL-PROC-2011-006. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2190.
The TileCal Laser calibration system / Giangiobbe, V (Barcelona, IFAE)
TileCal is the central hadronic calorimeter of the ATLAS detector operating at LHC. [...]
ATL-TILECAL-PROC-2011-007. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2191.
Silicon Strip Detectors for the ATLAS HL-LHC Upgrade / Affolder, A (Liverpool U.)
To further extend the ultimate physics reach of the experiments at the Large Hadron Collider (LHC), a series of accelerator and experimental upgrades are planned in 2014 (phase 0), 2017 (phase 1) and 2022 (phase 2). [...]
ATL-UPGRADE-PROC-2011-005. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2192.
New ATLAS Event Generator Tunes to 2010 pp Collision Data at 7 TeV Centre-of-Mass Energy / Styles, NA (DESY)
Tunes of the PYTHIA 6 and HERWIG/JIMMY MC event generators to 7 TeV ATLAS data are shown. [...]
ATL-PHYS-PROC-2011-113. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2193.
Implementation and performance of the signal reconstruction in the ATLAS Hadronic Tile Calorimeter / Valero, A (Valencia U., IFIC)
The Tile Calorimeter (TileCal) for the ATLAS experiment at the CERN Large Hadron Collider (LHC) is currently taking data with proton‐proton collisions. [...]
ATL-TILECAL-PROC-2011-008. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2194.
Study of Tau Leptons from Top Quark Pairs in ATLAS / McCarn, A (Illinois U., Chicago)
Top quark pair decay events resulting in final states containing τ leptons present interesting channels in the search for physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2011-114. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2195.
Calibration, testing, commissioning and first data of ALFA at LHC / Jakobsen, S (Cern ; Copenhagen U. ; Bohr Inst.)
The ALFA (Absolute Luminosity For ATLAS) project aims at measuring luminosity of the LHC with high precision by using pp-scattering under small angles. [...]
ATL-LUM-PROC-2011-002. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2196.
Searches for physics beyond the Standard Model at ATLAS / Sfyrla, A (CERN)
Results on searches for new phenomena in particle physics are presented using $p-p$ collision data collected with the ATLAS detector at the Large Hadron Collider at CERN. [...]
ATL-PHYS-PROC-2011-115. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2197.
Commissioning and Performance of the ATLAS Transition Radiation Tracker with First High Energy pp and Pb-Pb collisions at LHC / Stahlman, JM (Pennsylvania U.)
The ATLAS Transition Radiation Tracker (TRT) is the outermost of the three sub-systems of the ATLAS Inner Detector at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2011-005. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2198.
Measurement of the WW Cross Section in 7 TeV pp Collisions with the ATLAS Detector / Yang, Haijun (Michigan U.)
We report a measurement of the WW production cross section in pp collisions at $sqrt s $ = 7~TeV. [...]
arXiv:1109.2576. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-116 (2011-09-14) - Preprint - Fulltext - Full text
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2199.
The Performance of the ATLAS Trigger System in the LHC proton-proton Collisions / Rajagoapalan, Srini (Brookhaven)
The ATLAS Trigger System has collected proton-proton collisions over six orders of magnitude in instantaneous luminosity during the 2010-2011 LHC running. [...]
ATL-DAQ-PROC-2011-017. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2200.
The EDRO board connected to the Associative Memory: a "Baby" FastTracKer processor for the ATLAS experiment / for the ATLAS collaboration
The FastTracKer (FTK), a hardware dedicated processor, performs fast and precise online full track reconstruction at the ATLAS experiment, within an average latency of few dozens of microseconds. [...]
ATL-DAQ-PROC-2011-018. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2201.
Search for a Dark Matter Candidate with the ATLAS Detector / Genest, M-H (LMU Munich)
Supersymmetry is an appealing theory beyond the Standard Model which provides a natural Dark Matter candidate. [...]
ATL-PHYS-PROC-2011-117. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2202.
The ATLAS Tile Hadronic Calorimeter performance in the LHC collision era / Succurro, A (Barcelona, IFAE)
The Tile Calorimeter (TileCal), the central section of the hadronic calorimeter of the ATLAS experiment, is a key detector component to detect hadrons, jets and taus and to measure the missing transverse energy. [...]
ATL-TILECAL-PROC-2011-009. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2203.
Silicon sensor technologies for the ATLAS IBL upgrade. / Grenier, P (SLAC)
An overview of radiation hard planar and 3D pixel sensor technologies currently under development for ATLAS upgrades is presented. [...]
ATL-INDET-PROC-2011-006. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2204.
Operational Experience with the ATLAS Pixel Detector at the LHC / Keil, M (Gottingen U. ; CERN)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN, providing high-resolution measurements of charged particle tracks in the high radiation environment close to the collision region. [...]
ATL-INDET-PROC-2011-007. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article - Elsevier Open Access article
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2205.
Operational experience of the ATLAS Pixel Detector / Marcisovsky, M (Prague, Inst. Phys.)
The ATLAS Pixel Detector is situated in the heart of the ATLAS apparatus operating at the Large Hadron Collider. [...]
ATL-INDET-PROC-2011-008. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2206.
The ATLAS Insertable B-Layer Pixel Detector / Pernegger, H (CERN)
ATLAS currently develops a new pixel detector for the first upgrade of its tracking system: The ATLAS Insertable B-Layer Pixel detector (IBL). [...]
ATL-INDET-PROC-2011-009. - 2011. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2207.
Integrator based readout in Tile Calorimeter of the ATLAS experiment / Gonzalez Parra, G (Barcelona, IFAE)
TileCal is the hadronic tile calorimeter of the ATLAS experiment at LHC/CERN. [...]
ATL-TILECAL-PROC-2011-010. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2208.
Calibration and Performance of the ATLAS Level-1 Calorimeter Trigger with LHC Collision Data / Wessels, M (Heidelberg U.)
The ATLAS Level-1 Calorimeter Trigger is one of the main elements of the first stage of event selection for the ATLAS experiment at the LHC. [...]
ATL-DAQ-PROC-2011-019. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2209.
Silicon strip detectors for the ATLAS HL-LHC upgrade / Bernabeu, J (Valencia U., IFIC)
While the Large Hadron Collider (LHC) at CERN is continuing to deliver an ever-increasing luminosity to the experiments, plans for an upgraded machine called High Luminosity LHC (HLLHC) are progressing. [...]
ATL-INDET-PROC-2011-010. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2210.
Diffractive Measurements in ATLAS / Shaw, K. (ICTP, Trieste ; INFN, Udine)
Measurements made using the ATLAS detector at the LHC at \surd s = 7 TeV incorporating diffractive processes are presented. [...]
arXiv:1112.2281. - 2012-04-20. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint - Fulltext
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2211.
Tracking and vertexing performance of the ATLAS Inner Detector at the LHC / Marti-Garcia, S (Valencia U., IFIC)
The ATLAS experiment at the LHC is equipped with a charged particle tracking system, the Inner Detector, built on three subdetectors, which provide high precision measurements made from a fine detector granularity. [...]
ATL-INDET-PROC-2011-011. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2212.
Search for supersymmetry in events with large missing transverse momentum and at least one b-jet candidate in 7 TeV pp collisions with the ATLAS detector / Yamanaka, T (Tokyo U.)
Searches for supersymmetric particles in events with large missing transverse momentum, heavy flavour jet candidates and no lepton or one leptons (e,m) in √s=7 TeV proton proton collisions are presented. [...]
ATL-PHYS-PROC-2011-119. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2213.
Measurement of Single-top Quark Production with the ATLAS Detector / Holzbauer, J.L.
Single-top production has been studied with the ATLAS detector using 0.7 fb-1 of 2011 data recorded at 7 TeV center-of-mass energy. [...]
arXiv:1109.4100. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint - Fulltext
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2214.
ATLAS IBL: a challenging first step for ATLAS Upgrade at the sLHC / La Rosa, Alessandro
With the LHC collecting data at 7 TeV, plans are already advancing for a series of upgrades leading eventually to about five times the LHC design luminosity some 10 years from now in the High Luminosity LHC (HL-LHC) project. [...]
arXiv:1109.3372. - 2011. - 4 p.
Proceedings of Science Server - Preprint - Fulltext - Fulltext - ATL-INDET-PROC-2011-012 (2011-09-15)
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2215.
ATLAS TDAQ system: current status and performance / Ballestrero, S (Johannesburg U. ; CERN) ; Vandelli, W (CERN) ; Avolio, G (UC, Irvine)
In this paper we will report on the operation and the performance of the ATLAS data-flow system during the 2011 physics run of the Large Hadron Collider (LHC) at 7\,\mathrm{TeV}. [...]
ATL-DAQ-PROC-2011-020. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2216.
Resource utilization by the ATLAS High Level Trigger during 2010 and 2011 LHC running / Ospanov, R (Pennsylvania U.)
In 2010 and 2011, the ATLAS experiment successfully recorded data from LHC collisions with high efficiency and excellent data quality. [...]
ATL-DAQ-PROC-2011-021. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2217.
Measurement of multi-jet cross sections at ATLAS / Tamsett, Matthew
Inclusive multi-jet production is studied using the ATLAS detector for proton-proton collisions with a center- of-mass energy of 7 TeV. [...]
arXiv:1109.6843. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-121 (2011-09-16) - Preprint - Fulltext - Preprint
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2218.
Measurement of the ZZ production cross section and limits on anomalous neutral triple gauge couplings in proton-proton collisions at sqrt{s} =7 TeV with the ATLAS detector / Hsu, Shih-Chieh (LBL, Berkeley)
A measurement of the ZZ production cross section in proton-proton collisions at $sqrt{s} = 7TeV$ using data collected by the ATLAS experiment at the LHC is presented. [...]
arXiv:1109.6670 ; ATL-PHYS-PROC-2011-122. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Full text
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2219.
ATLAS IBL Sensor Qualification / Weingarten, J (Gottingen U., II. Phys. Inst)
The upgrade for the ATLAS detector will undergo different phases towards HL-LHC. [...]
ATL-INDET-PROC-2011-013. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2220.
Measurement of the Top Pair Production Cross section at ATLAS / Saleem, M. (Oklahoma U.)
We present the measurement of the production cross section for top quark pair ($t\bar{t}$) in pp collisions at $\sqrt{s}$ = 7 TeV using the data recorded with the ATLAS detector at the Large Hadron Collider (LHC). [...]
arXiv:1109.3912 ; ATL-PHYS-PROC-2011-123. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-123 (18-09-2011) - Preprint - Full text
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2221.
Search for technihadrons in pp collisions at sqrts=7 TeV with the ATLAS detector
The search for the technivector mesons hoT and omegaT produced in pp collisions at sqrts=7TeV and decaying to the dielectron and dimuon final states is presented. [...]
ATLAS-CONF-2011-125. - 2011. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2222.
Search for Anomalous Production of Prompt Like-sign Muon Pairs
An inclusive search for non-Standard Model production of two prompt, isolated muons with the same electric charge is presented. [...]
ATLAS-CONF-2011-126. - 2011. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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2223.
Search for Doubly Charged Higgs Boson Production in Like-sign Muon Pairs in pp Collisions at √s=7 TeV
A search for doubly charged Higgs boson production at √s = 7 TeV is presented. [...]
ATLAS-CONF-2011-127. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2224.
Particle Identification Performance of the ATLAS Transition Radiation Tracker
The Transition Radiation Tracker (TRT) is the outermost charged particle tracking device of the ATLAS Inner Detector. [...]
ATLAS-CONF-2011-128. - 2011. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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2225.
An extrapolation to a larger fiducial volume of the measurement of the W->lnu charge asymmetry in proton-proton collisions at sqrt(s)=7TeV with the ATLAS detector
This short note reports an extrapolation of the measurement of the lepton charge asymmetry for W bosons produced in proton-proton collisions at sqrt(s)=7 TeV, using data collected by the ATLAS experiment at the LHC corresponding to a total integrated luminosity of 35 pb-1. [...]
ATLAS-CONF-2011-129. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2226.
Search for supersymmetry in pp 1 collisions at √s = 7 TeV in final states with missing transverse momentum, b-jets and one lepton with the ATLAS detector
A search for supersymmetric particles in events with large missing transverse momentum, heavy flavour jet candidates and one leptons (e,m) in √s=7 TeV proton proton collisions is presented. [...]
ATLAS-CONF-2011-130. - 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2227.
Search for the Standard Model Higgs boson in the decay channel $H\rightarrow ZZ^{(*)}\rightarrow 4\ell$ with 1 fb$^{-1}$ of pp collisions at $\sqrt{s} = 7$ TeV
The search for the Standard Model Higgs boson in the decay channel $H\rightarrow ZZ^{(*)}\rightarrow 4\ell$, where $\ell=e,\mu$, is presented. [...]
ATLAS-CONF-2011-131. - 2011. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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2228.
Search for neutral MSSM Higgs bosons decaying to tau+tau- pairs in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector
A search for neutral Higgs bosons decaying to pairs of tau leptons with the ATLAS detector at the LHC is presented. [...]
ATLAS-CONF-2011-132. - 2011. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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2229.
Search for the Standard Model Higgs boson in the decay mode H -> tau+ tau- -> ll + 4 neutrinos in Association with jets in Proton-Proton Collisions at sqrt(s) =7 TeV with the ATLAS detector
A search for a neutral Higgs boson as predicted by the Standard Model (SM) is presented based on proton-proton collisions at a nominal center-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 1.06 fb-1. [...]
ATLAS-CONF-2011-133. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2230.
Search for the Standard Model Higgs boson in the H->WW->llnunu decay mode using 1.7 fb-1 of data collected with the ATLAS detector at sqrt(s)=7 TeV
A Higgs boson search in the H->WW->llnunu (l=e,mu) decay mode has been performed using 1.7 fb^-1 of proton-proton collisions at a centre-of-mass energy of 7 TeV collected with the ATLAS detector. [...]
ATLAS-CONF-2011-134. - 2011. - 40 p.
Original Communication (restricted to ATLAS) - Full text
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2231.
Update of the Combination of Higgs Boson Searches in pp Collisions at sqrt(s) = 7 TeV with the ATLAS Experiment at the LHC
The combination of searches for the Higgs boson by the ATLAS experiment with the first ~1 fb−1 of data taken in 2011 at the LHC is updated. [...]
ATLAS-CONF-2011-135. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2232.
Observation of the χc1(1P) and χc2(1P) charmonium states in √s = 7 TeV pp collisions at the ATLAS experiment
We present the observation of the χc1 (1P) and χc2 (1P) charmonium states in χc → J/ψ γ decays in ATLAS using pp collision data at a center-of-mass energy of 7 TeV corresponding to an integrated luminosity of 39 pb−1. [...]
ATLAS-CONF-2011-136. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2233.
Non-collision backgrounds as measured by the ATLAS detector during the 2010 proton-proton run
In this note we discuss the level of non-collision backgrounds and their properties in the ATLAS experiment. [...]
ATLAS-CONF-2011-137. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2234.
Search for Charged Higgs Bosons in the $\tau$+jets Final State in $t\overline{t}$ Decays with 1.03 fb$^{-1}$ of $pp$ Collision Data Recorded at $\sqrt{s} = 7$ TeV with the ATLAS Experiment
This note presents the results of a search for charged Higgs bosons, $H^{\pm}$, in 1.03 fb$^{-1}$ of proton-proton collision data recorded at $\sqrt{s}=7$ TeV with the ATLAS experiment at the LHC using the $\tau$+jets channel in $t\overline{t}$ decays with a hadronically decaying $\tau$ lepton in the final state. [...]
ATLAS-CONF-2011-138. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2235.
Search for New Physics at √s = 7 TeV in Hadronic Final States with Missing Transverse Energy and Heavy Flavor / Butler, B (SLAC)
A search for supersymmetric particles in events with large missing transverse momentum, heavy flavor jet candidates and no leptons (e,µ) in √s = 7 TeV proton-proton collisions is presented. [...]
ATL-PHYS-PROC-2011-124. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2236.
ATLAS FTK: Fast Track Trigger / Amerio, S (INFN, Padua) ; Andreani, A (INFN, Milan ; Milan U.) ; Andreazza, A (INFN, Milan ; Milan U.) ; Annovi, A (Frascati) ; Beretta, M (Frascati) ; Bevacqua, V (INFN, Pisa ; Pisa U.) ; Bogdan, M (Chicago U.) ; Bossini, E (INFN, Siena ; Siena U.) ; Boveia, A (Chicago U.) ; Cavaliere, V (Illinois U., Urbana) et al.
A track reconstruction system for the trigger of the ATLAS detector at the Large Hadron Collider is described. [...]
ATL-DAQ-PROC-2011-022. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2237.
ATLAS Experiment Pixel Detector Upgrades / Garcia-Sciveres, M.
The ATLAS experiment pixel detector upgrade plans are focused on development of new technology, including the FE-I4 readout integrated circuit. [...]
arXiv:1109.4662 ; ATL-UPGRADE-PROC-2011-006 ; ATL-UPGRADE-PROC-2011-006. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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2238.
Monitoring radiation damage in the ATLAS Silicon Tracker / Gibson, S M (CERN)
The record breaking instantaneous luminosities of $10^{33}$ cm$^{-2}$ s$^{-1}$ recently surpassed at the Large Hadron Collider generate a rapidly increasing particle fluence in the ATLAS silicon tracker. [...]
ATL-INDET-PROC-2011-014. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2239.
Offline calibrations and performance of the ATLAS Pixel Detector / Andreazza, A (INFN, Milan)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2011-015. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2240.
Measurement of The Top Quark Pair Production Cross Section in The Single Lepton Channel With The ATLAS Experiment / Henrichs, A (Gottingen U., II. Phys. Inst.)
Proceedings for Poster at PLHC Conference. [...]
ATL-PHYS-PROC-2011-125. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2241.
Inclusive Search for Same-Sign Dileptons at ATLAS / Cerio, Ben
An inclusive search for the non-Standard Model production of two isolated leptons of the same electrical charge is presented. [...]
arXiv:1109.5646 ; ATL-PHYS-PROC-2011-126. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-126 (2011-09-23) - Preprint - Fulltext - Preprint
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2242.
Data handling and processing for the ATLAS experiment / Barberis, D (Genoa U. ; INFN, Genoa)
The ATLAS experiment is taking data steadily since Autumn 2009, collecting so far over 2.5 fm-1 of data (several petabytes of raw and reconstructed data per year of data-taking). [...]
ATL-SOFT-PROC-2011-043. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2243.
The ATLAS Pixel Detector / Di Girolamo, B (CERN)
This paper presents an overview of the ATLAS Pixel Detector from the detector description to few examples of the performance while illustrating the work invested to achieve a high precision calibration. [...]
ATL-INDET-PROC-2011-016. - 2011. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2244.
Constraints on Anomalous $\mu^+\mu^+$ and Like-sign Top Quark Pair Production
A previous search for like-sign dimuon production based on 1.6 fb$^{-1}$ of integrated luminosity is slightly extended to separately analyze specifically $\mu^+\mu^+$ production with the goal of constraining like-sign top quark production. [...]
ATLAS-CONF-2011-139. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2245.
Measurement of $t\bar{t}$ production in the all-hadronic channel in 1.02~$\mathrm{fb}^{-1}$ of pp collisions at $\sqrt{s}=7$ TeV with the ATLAS detector
We present a measurement of the $t\bar{t}$ production cross-section in the all-hadronic channel with the ATLAS detector. [...]
ATLAS-CONF-2011-140. - 2011.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
2246.
Measurements of minimum bias and underlying event distributions and Monte Carlo generator tuning with ATLAS / Schulz, H (Humboldt U., Berlin)
Measurements of particle and transverse energy distributions are presented from proton-proton collisions at centre-of-mass energies of sqrt(s) = 0.9, 2.36 and 7 TeV. [...]
ATL-PHYS-PROC-2011-127. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2247.
Performance of Particle Identification with the ATLAS Transition Radiation Tracker / Hines, E.
The ATLAS Transition Radiation Tracker (TRT) is the outermost of the three sub-systems of the ATLAS Inner Detector at the Large Hadron Collider at CERN. [...]
arXiv:1109.5925. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text - Fulltext
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2248.
Search for High-Mass States with Lepton Plus Missing Transverse Energy Using the ATLAS Detector at Center-of-Mass Energy of 7 TeV / Degenhardt, J (Pennsylvania U.)
The ATLAS detector has been used to search for high-mass states decaying into a single high momentum lepton and missing energy, such as new heavy charged gauge bosons. [...]
ATL-PHYS-PROC-2011-128. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2249.
Measurement of the top quark charge in pp collisions at $\sqrt{s}$ = 7 TeV in the ATLAS experiment
The measurement of the top quark charge carried out in the lepton+jets final state in the ATLAS experiment is presented in this note. [...]
ATLAS-CONF-2011-141. - 2011. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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2250.
Reconstructed jet multiplicities from the top-quark pair decays and associated jets in pp collisions at √s = 7 TeV measured with the ATLAS detector at the LHC
The multiplicity distribution of reconstructed jets in ttbar events is presented, measured in proton-proton collisions using 0.70 fb−1 of data collected at √s = 7 TeV. [...]
ATLAS-CONF-2011-142. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2251.
Search for the Higgs boson in WH to lnubb and H to WW to lnulnu decay modes on ATLAS / Kashif, L M (Wisconsin U., Madison)
Results for a Higgs boson search by the ATLAS experiment in the WH ightarrow lnubb and H ightarrow WW ightarrow lnulnu decay modes are presented. [...]
ATL-PHYS-PROC-2011-129. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2252.
Upgrade Plans for ATLAS Forward Calorimetry for the HL-LHC / Turner, J (Carleton U.)
Even though data-taking has just started with the LHC, plans are being developed to operate the machine and its detectors at up to 10 times the original design luminosity. [...]
ATL-LARG-PROC-2011-002. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2253.
WZ Cross-section Measurement for DPF 2011 Meeting Proceeding / Wu, Y (Michigan U. ; CUST)
This document presents a measurement of WZ production in 1.02 fb-1 of pp collision data at ATLAS detector and using these data aTGC limits are set
ATL-PHYS-PROC-2011-130. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2254.
Calibration and Performance of the ATLAS Muon Spectrometer / Diehl, E.
The ATLAS muon spectrometer is designed to measure muon momenta with a resolution of 4% @ 100 GeV/c rising to 10% @ 1 TeV/c track momentum. [...]
arXiv:1109.6933 ; ATL-COM-MUON-2011-019. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - ATL-MUON-PROC-2011-004 (2011-09-28) - Preprint - Fulltext - Full text
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2255.
Diffractive and Low-X Physics at ATLAS / Martin, T A D (Birmingham U.)
A brief overview of soft di ractive physics from colour singlet exchange at ATLAS is presented. [...]
ATL-PHYS-PROC-2011-131. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2256.
Searches for new particles decaying into jet pairs in ATLAS data / Buckingham, RM (Oxford U.) ; Issever, C (Oxford U.)
Results are presented on the search for new physics in the dijet mass and angular distributions using data collected in 2010 and 2011 with the ATLAS detector. [...]
ATL-PHYS-PROC-2011-132. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2257.
Design and Performance of the ATLAS LAr Calorimeter / del Peso, J (Madrid, Autonoma U.)
An overview of the ATLAS liquid-argon calorimeter design is provided, as well as some examples of its operation and performance measured using both cosmic and LHC collisions data
ATL-LARG-PROC-2011-003. - 2011. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2258.
The TileCal/ATLAS calorimeter calibration systems / Carvalho, J (LIP, Coimbra)
The calibration and monitoring systems of the ATLAS hadronic tile calorimeter (TileCal), are presented. [...]
ATL-TILECAL-PROC-2011-011. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2259.
Calibration of the ATLAS hadronic barrel calorimeter TileCal using 2008, 2009 and 2010 cosmic rays data
Cosmic rays collected in 2008, 2009 and 2010 have been used in the ATLAS experiment to test the calibration of the hadronic barrel calorimeter TileCal. [...]
ATL-TILECAL-PUB-2011-001. - 2011. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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2260.
Measurement of elliptic and higher order flow harmonics at $\sqrt{s_{NN}}$=2.76 TeV Pb+Pb collisions with the ATLAS Detector / Mohapatra, Soumya (YITP, Stony Brook)
The measurements of flow harmonics $v_2$-$v_6$ using the event plane and two particle correlations methods in broad $p_T$, $\eta$ and centrality ranges using the ATLAS detector at LHC are presented. [...]
arXiv:1109.6721. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-133 (2011-09-28) - Preprint - Fulltext - Full text
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2261.
W and Z production measured using the ATLAS detector, and impact on parton densities of the proton / Ellinghaus, F (U. Mainz, PRISMA)
Measurements of W and Z production cross sections in proton proton collisions are sensitive to parton distribution functions. [...]
ATL-PHYS-PROC-2011-134. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2262.
A Fast Hardware Tracker for the ATLAS Trigger System / Neubauer, Mark S. (Illinois U., Urbana)
In hadron collider experiments, triggering the detector to store interesting events for offline analysis is a challenge due to the high rates and multiplicities of particles produced. [...]
arXiv:1110.1910 ; ATL-DAQ-PROC-2011-023. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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2263.
The ATLAS insertable B-Layer (IBL) project / Gemme, C (INFN, Genoa)
The ATLAS detector upgrade will undergo different phases towards super-LHC. [...]
ATL-INDET-PROC-2011-018. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2264.
Search for New Physics Involving Top Quarks at ATLAS / Golling, Tobias
Two searches for new phenomena involving top quarks are presented: a search for a top partner in ttbar events with large missing transverse momentum, and a search for ttbar resonances in proton-proton collisions at a center-of-mass energy of 7 TeV. [...]
arXiv:1109.6734. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Preprint
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2265.
W/Z + jets results from the LHC / Venturi, N (Bern U.)
We present measurements of the inclusive W and Z boson production cross sections in association with jets, $sigma(V + geq N_{ m jets}$) V = W or Z, in the electron and muon decay channels of the bosons. [...]
ATL-PHYS-PROC-2011-136. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2266.
The ATLAS Trigger/DAQ Authorlist / Abolins, M ; Abreu, R ; Achenbach, R ; Aharrouche, M ; Aielli, G ; Al-Shabibi, A ; Aleksandrov, I ; Alexandrov, E ; Allbroke, B M ; Aloisio, A et al.
This is the ATLAS Trigger/DAQ Authorlist, version 11.09 (September 28, 2011)..
ATL-DAQ-PUB-2011-002. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2267.
Measurements of isolated prompt photons in pp collisions at ATLAS / Stockton, M (CERN)
A measurement of the cross section for the inclusive production of isolated prompt photons in pp collisions at a centre-of-mass energy sqrt(s) = 7 TeV is presented. [...]
ATL-PHYS-PROC-2011-137. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2268.
Measurement of Wγ and Zγ production at sqrt(s) = 7 TeV with the ATLAS Detector / Zhijun, L (Oxford U.)
We present measurements of high energy photons produced in association with either a W or Z boson in pp collisions at s = 7 TeV. [...]
ATL-PHYS-PROC-2011-138. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2269.
Operational experience with the ATLAS Pixel Detector at the LHC / Hirschbuehl, D (Wuppertal U.)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN, providing high-resolution measurements of charged particle tracks in the high radiation environment close to the collision region. [...]
ATL-INDET-PROC-2011-019. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2270.
Beyond the Desert: Tevatron and LHC Results on Searches for Physics Beyond the Standard Model / Redlinger, G. (Brookhaven)
This is a brief and limited review of searches for physics beyond the Standard Model from the ATLAS,CDF,CMS and D0 experiments, as of the end of July 2011. [...]
ATL-PHYS-PROC-2011-139 ; arXiv:1109.6927. - 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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2271.
Interpretations of SUSY Searches in ATLAS with Simplified Models / Okawa, Hideki
We present the status of interpretations of Supersymmetry (SUSY) searches in ATLAS at the Large Hadron Collider (LHC) using simplified models. [...]
arXiv:1110.0282. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-140 - Preprint - Fulltext - Full text
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2272.
b-Jet Tagging Efficiency Calibration using the System8 Method
This Note describes a calibration of lifetime tagging efficiencies for b-quark jets involving semileptonic decays using the System8 method, designed to minimise the dependence on the quality of the description of the data by simulations by using three independent criteria applied to a data sample containing a muon associated with a jet to create eight comparisons between observed and expected event counts. [...]
ATLAS-CONF-2011-143. - 2011. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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2273.
Electron Vetoes and Taus at ATLAS / Bedikian, S (Yale U.)
Strategies used to separate electron signatures from tau lepton signatures with the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2011-141. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2274.
Jet substructure in ATLAS / Miller, David W.
Measurements are presented of the jet invariant mass and substructure in proton-proton collisions at $\sqrt{s} = 7$ TeV with the ATLAS detector using an integrated luminosity of 37 pb$^{-1}$. [...]
arXiv:1110.1094 ; ATL-PHYS-PROC-2011-142 ; ATL-PHYS-PROC-2011-142. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-142 - Preprint - Fulltext - Full text
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2275.
Tau physics in ATLAS / Kuehn, S (Freiburg U.)
The ATLAS experiment has an extensive physics program, involving tau lepton final states. [...]
ATL-PHYS-PROC-2011-143. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2276.
Searches for - non-SUSY - new physics at ATLAS / Cuhadar Donszelmann, T (Sheffield U.)
The results of searches for physics (non-SUSY) beyond the Standard Model using approxi- mately 45 pb−1 of ATLAS data are presented. [...]
ATL-PHYS-PROC-2011-144. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2277.
ATLAS Silicon Microstrip Tracker: Operation and Performance / Mitsou, Vasiliki A. (Valencia U., IFIC)
The Semiconductor Tracker (SCT) is a silicon strip detector and one of the key precision tracking devices in the Inner Detector of the ATLAS experiment at CERN LHC. [...]
arXiv:1110.1983 ; ATL-INDET-PROC-2011-020. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - World Scientific Open Access article - Preprint - Fulltext
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2278.
B and D Hadron Production and Prospects / Rossi, E (Rome U. ; INFN, Rome ; Naples U. ; INFN, Naples)
The production cross sections of the D*+-, D+- and Ds+- charm mesons are measured with the ATLAS detector in pp collisions at sqrt(s)=7 TeV. [...]
ATL-PHYS-PROC-2011-145. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2279.
Efficient Network Monitoring for Large Data Acquisition Systems / Savu, DO (CERN) ; Martin, B (CERN) ; Al-Shabibi, A (Heidelberg University, Germany) ; Sjoen, R (University of Oslo, Norway) ; Batraneanu, SM (University of California, Irvine, USA) ; Stancu, SN (University of California, Irvine, USA)
Though constantly evolving and improving, the available network monitoring solutions have limitations when applied to the infrastructure of a high speed real-time data acquisition (DAQ) system. [...]
ATL-DAQ-PROC-2011-024. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2280.
Results from Top Physics at ATLAS / Saleem, M (Oklahoma U.)
We present the measurement of the production cross section for top quark pairs ($tar{t}$) in pp collisions at $sqrt{s}$ = 7 TeV using 35pb$^{-1}$ of data recorded with the ATLAS detector at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2011-146. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2281.
Alignment of the ATLAS Inner Detector Tracking System / Heller, C (Munich, Tech. U., Universe)
ATLAS is one of the multipurpose experiments that records the products of the LHC proton-proton and heavy ion collisions. [...]
ATL-INDET-PROC-2011-021. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2282.
Search for Supersymmetry in events with large missing transverse momentum and two leptons in p-p collisions at 7 TeV with the ATLAS detector / Legger, F (Munich U.)
In 2010, the Large Hadron Collider (LHC) at CERN opened up a new regime for probing physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2011-147. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2283.
Search for New Physics in Events with Four Charged Leptons
We present two searches for new phenomena in events with four charged leptons, using data from $pp$ collisions at $\sqrt{s}= 7$\ TeV collected by the ATLAS detector corresponding to an integrated luminosity of 1.02 fb$^{-1}$. [...]
ATLAS-CONF-2011-144. - 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2284.
Single top-quark production with the ATLAS detector in pp collisions at $\sqrt{s}$=7TeV / Schwienhorst, Reinhard
The ATLAS experiment at the LHC at CERN has analyzed 2010 and 2011 data looking for electroweak production of single top quarks in the lepton+jets and di-lepton final states. [...]
arXiv:1110.2192 ; ATL-PHYS-PROC-2011-148. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-148 (2011-10-10) - Preprint - Full text - Fulltext
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2285.
Overview of the ATLAS Insertable B-Layer (IBL) Project / Grosse-Knetter, J (Gottingen U.)
The upgrades for the ATLAS Pixel Detector will be staged in preparation for high luminosity LHC. [...]
ATL-INDET-PROC-2011-022. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2286.
Calibration and Performance of the precision chambers of the ATLAS muon spectrometer / Diehl, E (Michigan U.)
The ATLAS muon spectrometer consists of a system of precision tracking and trigger chambers embedded in a 2T magnetic field generated by three large air‐core superconducting toroids. [...]
ATL-MUON-PROC-2011-005. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2287.
Tau Reconstruction And Identification Performance in ATLAS / Coniavitis, E (Oxford U.)
Tau leptons play an important role in the physics program at the LHC. [...]
ATL-PHYS-PROC-2011-149. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2288.
The ATLAS Tile Calorimeter performance at LHC in pp collisions at 7 TeV / Solodkov, A (Serpukhov, IHEP)
The Tile Calorimeter (TileCal), the central section of the hadronic calorimeter of the ATLAS experiment, is a key detector component to detect hadrons, jets and taus and to measure the missing transverse energy. [...]
ATL-TILECAL-PROC-2011-012. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2289.
{Performance of the ATLAS Inner Detector Trigger algorithms in pp collisions at 7TeV / Masik, Jiri (Manchester U.)
The ATLAS trigger performs online event selection in three stages. [...]
ATL-DAQ-PROC-2011-025. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2290.
Performance and the evolution of the ATLAS tau trigger during 2011 data taking period / Jez, P (Bohr Inst.)
The use of the $\tau$ leptons in the Standard Model processes and in channels probing for Physics beyond the Standard Model is very important at the LHC. [...]
ATL-DAQ-PROC-2011-026. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2291.
ATLAS DETECTOR OVERVIEW (OPERATION,EXPERIENCE, PERFORMANCE) / Henriques, A (CERN)
ATLAS is a general-purpose detector located at one of the 4 interaction points of the LHC at the CERN laboratory near Geneva, Switzerland. [...]
ATL-GEN-PROC-2011-003. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2292.
Recent results from New Physics searches at ATLAS / Lari, T (INFN, Milan)
A review of the searches for new physics performed by the ATLAS experiment with 2010 and early 2011 data is presented..
ATL-PHYS-PROC-2011-150. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2293.
Measurement of the Average B Lifetime with the ATLAS Detector
Measurement of the average lifetime of all species of B-hadrons produced in p-p collisions at sqrt(s) = 7 TeV at the LHC..
ATLAS-CONF-2011-145. - 2011. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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2294.
Operational experience with the ATLAS Pixel detector at the LHC / Deluca, C (Stony Brook U.)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN, providing high-resolution measurements of charged particle tracks in the high radiation environment close to the collision region. [...]
ATL-INDET-PROC-2011-023. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2295.
Results on Standard Model and Heavy Ions physics of the ATLAS collaboration at the LHC / DERUE, F (Paris U., VI-VII)
This document presents results of the ATLAS collaboration at the Large Hadron Collider at CERN on Standard Model and Heavy Ions physics. [...]
ATL-PHYS-PROC-2011-151. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2296.
The ATLAS experiment: overview and main results. / Stroynowski, R (Southern Methodist U.)
The status and recent performance of the ATLAS experiment at LHC is described [...]
ATL-PHYS-PROC-2011-152. - 2011. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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2297.
On the Challenge of Keeping ATLAS Tile Calorimeter Raw Data / Tsiskaridze, V (Freiburg U.)
The Tile Calorimeter (TileCal) for the ATLAS experiment at the CERN Large Hadron Collider (LHC) is currently taking data with proton-proton collisions. [...]
ATL-TILECAL-PROC-2011-013. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2298.
Searches for new heavy gauge bosons in 2011 ATLAS data / Olivito, D (Pennsylvania U.)
The ATLAS detector at the Large Hadron Collider has been used to search for high-mass states decaying to a charged lepton (electron or muon) and a neutrino, or into two oppositely-charged leptons. [...]
ATL-PHYS-PROC-2011-153. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2299.
Recent Heavy Ion Results with the ATLAS Detector at the LHC / Steinberg, P (Brookhaven)
Results are presented from the ATLAS collaboration from the 2010 LHC heavy ion run, during which nearly 10 inverse microbarns of luminosity were delivered. [...]
arXiv:1110.3352 ; ATL-PHYS-PROC-2011-154. - 2011. - 11 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-154 (2011-10-12) - Preprint
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2300.
Refined reconstruction and calibration of the missing transverse energy in the ATLAS detector / Simoniello, R (Milan U. ; INFN, Milan)
We describe a refined reconstruction and calibration of missing transverse energy (Etmiss) developed by ATLAS and tested on events containing Z and W bosons. [...]
ATL-PHYS-PROC-2011-155. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2301.
Measurement of the jet energy resolution in ATLAS / Psoroulas, S (Bonn U.)
The jet energy resolution can be determined in in-situ from the measurement of the transverse momentum balance of a system of two jets (transverse momentum asymmetry). [...]
ATL-PHYS-PROC-2011-156. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2302.
The ATLAS experiment: status report and recent results / Pontecorvo, L (INFN, Rome ; CERN)
The status of the ATLAS detector is presented as well as some of the most relevant physics results obtained with up to 200 pb-1..
ATL-PHYS-PROC-2011-157. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2303.
ATLAS Online Determination and Feedback of the LHC Beam Parameters / Cogan, J (SLAC) ; Bartoldus, R (SLAC) ; Strauss, E (SLAC) ; Miller, E (Chicago U.)
The High Level Trigger of the ATLAS experiment relies on the precise knowledge of the position, size and orientation of the luminous region produced by the LHC. [...]
ATL-DAQ-PROC-2011-027. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2304.
Upgrade plans for ATLAS Forward Calorimetry for the HL-LHC / Randrianarivony, K (Carleton U.)
Even though data taking has just started with the LHC, plans are being developed to operate the machine and its detectors at up to 10 times the original design luminosity. [...]
ATL-LARG-PROC-2011-004. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2305.
Top quark property measurements at ATLAS / Dao, V (Geneva U.)
We present result on the direct measurement of the top quark mass in the lepton+jets channel, and an ndirect measurement of the top quark mass from the top quark pair production cross section. [...]
ATL-PHYS-PROC-2011-158. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2306.
Measurements of isolated prompt photons in pp collisions with the ATLAS detector / Turra, R (Milan U. ; INFN, Milan)
We present the latest ATLAS measurement of the cross section for the inclusive production of isolated prompt photons of pp collisions at a centre-of-mass energy $sqrt{s}$ = 7 TeV, as well as the measurement of diphoton production. [...]
ATL-PHYS-PROC-2011-159. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2307.
Jet Suppression at LHC / Spousta, M (Charles U.)
Jet measurements at the LHC are expected to provide new insight into the mechanisms responsible for the energy loss accompanying a propagation of hard scattered partons through the hot and dense medium created in nucleus-nucleus collisions. [...]
ATL-PHYS-PROC-2011-160. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2308.
Electroweak di-boson production in ATLAS / Ebke, J (Munich U.)
Proceedings for the talk "Electroweak di-boson production in ATLAS" at the PLHC2011 conference..
ATL-PHYS-PROC-2011-161. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2309.
Measurement of the top quark pair production cross section in dilepton final states with ATLAS / Poghosyan, T (Bonn U.)
The production cross section of top quark pairs in proton-proton ($pp$) collisions at $sqrt{s}=7TeV$ using $35~ipb$ data recorded with the ATLAS detector in 2010 is measured. [...]
ATL-PHYS-PROC-2011-162. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2310.
Jet results from ATLAS / Shimizu, S (CERN) /on behalf of the ATLAS collaboration
The ATLAS collaboration has performed various measurements on jet physics to probe QCD in a TeV regime using the sqrt{s}=7 TeV proton-proton collision data at LHC. In this report, the results are reviewed..
ATL-PHYS-PROC-2011-163.- Geneva : CERN, 2012 - 4 p. - Published in : Prog. Theor. Phys., Suppl. 193 (2012) 244-248 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 41st International Symposium of Multiparticle Dynamics, Hiroshima, Japan, 26 - 30 Sep 2011, pp.244-248
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2311.
VALIDATION OF THE LOCAL HADRONIC CALIBRATION SCHEME OF ATLAS WITH COMBINED BEAM TEST DATA IN THE ENDCAP AND FORWARD REGIONS OF ATLAS / Kiryunin, A (Munich, Max Planck Inst.) ; Strizenec, P (Kosice, IEF)
The local hadronic calibration developed for the energy reconstruction and the calibration of jets and missing transverse energy in ATLAS, has been validated using data obtained during combined beam tests of the ATLAS endcap and forward calorimeters. [...]
ATL-LARG-PROC-2011-005. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2312.
Characterization of new hybrid pixel module concepts for the ATLAS Insertable B-Layer upgrade / Backhaus, M (Bonn U.)
For the ATLAS pixel detector, a fourth hybrid pixel detector layer known as Insertable B-Layer (IBL) is developed, which will be slid into the present pixel detector. [...]
ATL-INDET-PROC-2011-024. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2313.
First observation of WZ events in leptonic channels with ATLAS / Resende, B (Saclay)
The LHC proton-proton collisions at a center-of-mass energy of 7 TeV now allow observation of Standard Model phenomena in an unexplored energy range, where windows towards new physics may be opened. [...]
ATL-PHYS-PROC-2011-164. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2314.
Measurement of inclusive lepton cross sections with the ATLAS detector / Petrucci, F (Rome III U. ; INFN, Rome3)
An understanding of electron and muon production in proton-proton (pp) collisions is a prerequisite for measurements and searches including these particles in the final state. [...]
ATL-PHYS-PROC-2011-165. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2315.
Heavy flavour production in ATLAS / Salzburger, A (CERN)
We present a measurement of the inclusive and dijet differential cross sections of jets containing heavy flavour in proton-proton collisions at $sqrt{s} = 7$ TeV using data collected with the ATLAS detector. [...]
ATL-PHYS-PROC-2011-166. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2316.
Studies of the internal properties of jets and jet substructure with the ATLAS Detector / Miller, David W.
The internal structure of jets produced in pp collisions at the LHC is measured using the ATLAS detector in an inclusive jet sample corresponding to 35pb-1 of pp collisions at sqrt(s) = 7 TeV. [...]
arXiv:1110.5995 ; SLAC-PUB-15895 ; ATL-PHYS-PROC-2011-167 ; ATL-PHYS-PROC-2011-167. - 2011. - 6 p.
Proceedings of Science Server - Full text - Fulltext - Fulltext - ATL-PHYS-PROC-2011-167 (2011-10-14)
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2317.
A Measurement of the Ratio of the W + 1 Jet to Z + 1 Jet Cross Sections with ATLAS / Meade, A. ; Brau, B.
The measurement of hadronic activity recoiling against W and Z vector bosons provides an important test of perturbative QCD, as well as a method of searching for new physics in a model independent fashion. [...]
arXiv:1110.0435. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint - Fulltext
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2318.
Vector boson production on ATLAS / Kashif, L M (Wisconsin U., Madison )
Electroweak bosons are a "standard candle" process for physics at the LHC. [...]
ATL-PHYS-PROC-2011-169. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2319.
Observation of leading Phi-mesons in high pT jets with the ATLAS detector at sqrt(s)=7 TeV
This note describes the reconstruction of high pT Phi-mesons in the environment of energetic jets from √s = 7 TeV pp collisions, in the ATLAS tracking detector at the LHC. [...]
ATLAS-CONF-2011-146. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2320.
Neutron and Proton Tests of Different Technologies for the Upgrade of Cold Readout Electronics of the ATLAS Hadronic Endcap Calorimeter / Nagel, Martin (Munich, Max Planck Inst.)
The expected increase of total integrated luminosity by a factor ten at the sLHC compared to the design goals for LHC essentially eliminates the safety factor for radiation hardness realized at the current cold amplifiers of the ATLAS Hadronic Endcap Calorimeter (HEC). [...]
arXiv:1208.1989. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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2321.
Open bottom and charm production at ATLAS / Watson, MF (Birmingham U.)
An overview of ATLAS bottom and charm results presented at the PLHC 2011 conference..
ATL-PHYS-PROC-2011-170. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2322.
Jet production in association with vector bosons in ATLAS / Fiascaris, Maria (Chicago U.)
We presents the measurement of the cross-sections for W and Z bosons produced in association with jets performed with approximately 33^ipb of data collected by the ATLAS detector in 2010 at a centre of mass energy of 7 TeV. [...]
ATL-PHYS-PROC-2011-171. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2323.
Calibration and Performance of the precision chambers of the ATLAS muon spectrometer. / Solfaroli Camillocci, E (Rom U. ; INFN, Rome)
The ATLAS muon spectrometer consists of a system of precision tracking and trigger chambers embedded in a 2T magnetic field generated by three large air‐core superconducting toroids. [...]
ATL-MUON-PROC-2011-006. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2324.
ATLAS Higgs Results / Zhu, Y (Hefei, CUST)
Searches for Higgs bosons in various channels were performed using about 40 pb^-1 of 2010 data or 209 pb^-1 of 2011 data, covering a mass range 110 < m_{H} < 600 GeV. [...]
ATL-PHYS-PROC-2011-172. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2325.
ATLAS Measurements of Jet Suppression in Heavy Ion Collisions / Angerami, Aaron (Columbia U.)
The first results of single jet observables in~PbPb collisions at $sqrt{s_{mathrm{NN}}}=2.76$~TeV measured with the ATLAS detector at the LHC are presented. [...]
ATL-PHYS-PROC-2011-173. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2326.
W/Z boson production in leptonic final states at the ATLAS experiment / Artoni, G (Rome U. ; INFN, Rome) ; Ippolito, V (Rome U. ; INFN, Rome) ; Lo Sterzo, F (Rome U. ; INFN, Rome)
W and Z boson production has been studied by the ATLAS Collaboration in proton-proton collisions at sqrt(s) = 7 TeV. [...]
ATL-PHYS-PROC-2011-174. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2327.
Jet Production Measurements with the ATLAS Experiment / Mueller, Felix (Heidelberg U.)
Jet production is the hard QCD process with the widest kinematic reach and largest cross section at the LHC. [...]
ATL-PHYS-PROC-2011-175. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2328.
Searches for TeV-gravity signatures in final states with leptons and jets with the ATLAS detector at sqrts = 7 TeV
The production of high transverse momentum events containing charged leptons and jets has been measured, using 1 fb−1 of data recorded by the ATLAS detector in 2011 at sqrts = 7 TeV. [...]
ATLAS-CONF-2011-147. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2329.
Online Determination of the LHC Luminous Region with the ATLAS High-Level Trigger / Bartoldus, R (SLAC)
During stable-beams operations of the LHC, the ATLAS High Level Trigger (HLT) offers the fastest and most precise online measurement available of the position, size and orientation of the luminous region at the interaction point. [...]
ATL-DAQ-PROC-2011-028. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2330.
Study of the Performance of the ATLAS Muon Spectrometer / Borroni, S (Rome U. ; INFN, Rome)
The assesment of the different objects reconstruction and identification are an essential component of each physics analysis of the experiment. [...]
ATL-MUON-PROC-2011-007. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2331.
Performance of the ATLAS Transition Radiation Tracker With First High Energy pp and Pb-Pb Collisions / Vogel, A (Bonn U.)
The ATLAS Transition Radiation Tracker (TRT) is the outermost of the three sub-systems of the ATLAS Inner Detector at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2011-025. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2332.
Search for high-mass dielectron resonances at ATLAS / Heim, S (Michigan State U.)
We present a search for high-mass dielectron resonances using $sim$1~$fb^{-1}$ of 7 TeV $pp$ collisions recorded by the ATLAS detector in 2011. [...]
ATL-PHYS-PROC-2011-176. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2333.
SUSY Higgs results from 2010 ATLAS data / Schwindt, T (Bonn U.)
Discovering the mechanism responsible for electroweak symmetry breaking, which requires the existence of at least one scalar Higgs boson in the Standard Model (SM), is one of the major goals of the physics program of the LHC. [...]
ATL-PHYS-PROC-2011-177. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2334.
Measurement of the Top Quark Pair Production Cross Section with ATLAS / Roe, A (Gottingen U.)
An overview of measurements of the top pair production cross section at ATLAS using the 2010 dataset is given..
ATL-PHYS-PROC-2011-178. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2335.
Track based alignment of the ATLAS Inner Detector Tracking System / Schieck, J (Munich U.)
We discuss the track based alignment of the inner detector of the ATLAS experiment. [...]
ATL-INDET-PROC-2011-026. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2336.
Muon reconstruction performance in the ATLAS experiment / Capriotti, D (Heidelberg, Max Planck Inst.)
Measurements of the muon reconstruction effciency as well as the muon momentum resolution have been carried out with LHC collision data recorded by the ATLAS experiment. [...]
ATL-PHYS-PROC-2011-179. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2337.
Silicon Strip Detectors for the ATLAS HL-LHC Upgrade / Miñano, M (Valencia U., IFIC)
While the Large Hadron Collider (LHC) at CERN is continuing to deliver an ever-increasing luminosity to the experiments, plans for an upgraded machine called High Luminosity LHC (HL-LHC) are progressing. [...]
ATL-INDET-PROC-2011-027. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2338.
Measurement of the Inelastic Proton-Proton Cross-Section at \sqrt{s} = 7 TeV with the ATLAS Detector. / Eckweiler, S (Mainz U.)
A first measurement of the inelastic cross-section is presented for proton-proton collisions at a center of mass energy $\sqrt{\rm s} = 7$\,TeV using the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2011-180. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2339.
SM background estimation in the 1-lepton channel in SUSY searches / Lorenz, J M (Munich U.)
One of the promising channels in the search for Supersymmetry is the 1-lepton channel which requires one isolated electron or muon, multiple jets and a high Missing Transverse Energy. [...]
ATL-PHYS-PROC-2011-181. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2340.
Search for a Standard Model Higgs in the H->ZZ->llvv decay channel with 2.05 fb$^{-1}$ of ATLAS data
A search for a heavy Standard Model Higgs~boson decaying via htollvv, where $\ell=e,\mu$, is presented. [...]
ATLAS-CONF-2011-148. - 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2341.
Search for the Second Generation Leptoquarks at the ATLAS Experiment / Schott, M (CERN)
This proceeding briefly describes the searches for 2nd generation leptoquarks based on the full 2010 data-set..
ATL-PHYS-PROC-2011-182. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2342.
Measurement of Single-top Quark Production with ATLAS Data / Holzbauer, J.L.
Single-top production processes have been studied using 0.7 fb-1 of data from 7 TeV center-of-mass energy proton-proton collisions collected with the ATLAS detector at the LHC. [...]
arXiv:1111.3346. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-183 (2011-10-24) - Full text - Fulltext
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2343.
Electron efficiency measurement at low energies with J/psi in ATLAS / Theveneaux-Pelzer, T (Paris U., VI-VII)
The J/psi is one of the few "standard candles" that are used to calibrate the ATLAS detector and measure the electron performances. [...]
ATL-PHYS-PROC-2011-184. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2344.
ATLAS results on inelastic pp collisions and the underlying event / Limper, M (Iowa U.)
Several results from ATLAS on the properties inelastic p-p collisions and the underlying event are presented. [...]
ATL-PHYS-PROC-2011-185. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2345.
Precision measurement of the luminosity in the ATLAS experiment. / Hedberg, V (Lund U.)
A precision luminosity measurement is of critical importance for the ATLAS physics program, both for searches for new physics as well as for precision measurements of Standard Model cross-sections. [...]
ATL-LUM-PROC-2011-003. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2346.
THE ATLAS FORWARD CALORIMETER / Orr, R S (Toronto U.)
Complete calorimetric hermeticity is important for many physics studies at the LHC. [...]
ATL-LARG-PROC-2011-007. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2347.
Tracker and Calorimeter Performance for the Identification of Hadronic Tau Lepton Decays in ATLAS / Lai, Stan /for the ATLAS collaboration
Tau leptons play an important role in the physics program in ATLAS. They can be used not only in searches for new phenomena like the Higgs boson or Supersymmetry, or for electroweak measurements but also in detector related studies like the determination of the missing transverse energy scale. [...]
arXiv:1111.3773; ATL-PHYS-PROC-2011-186; ATL-PHYS-PROC-2011-186.- Geneva : CERN, 2011 - 4 p. - Published in : PoS EPS-HEP2011 (2011) 189 Fulltext: arXiv:1111.3773 - PDF; EPS-HEP2011_189 - PDF; ATL-PHYS-PROC-2011-186 - PDF; 1111.3773 - PDF; External link: Proceedings of Science Server
In : 2011 Europhysics Conference on High Energy Physics, Grenoble, France, 21 - 27 Jul 2011, pp.189
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2348.
Production and Spectroscopy of Heavy Hadrons at the LHC / Evans, H.
Measurements of heavy flavor production and decay have featured prominently in the early results from the four large LHC experiments: ALICE, ATLAS, CMS, and LHCb. [...]
arXiv:1110.5294. - 2011. - 13 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-187 (2011-10-25) - Preprint - Fulltext - Preprint
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2349.
ATLAS Measurements of Electroweak Boson Production Cross Sections / Goeringer, C
Electroweak production cross-sections are presented measured with a dataset with an integrated luminosity of 36pb−1 to 1fb−1 taken at the ATLAS detector at the LHC with pp-collisions at sqrt s = 7TeV. [...]
ATL-PHYS-PROC-2011-188. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2350.
Measurements of isolated prompt photons in pp collisions with the ATLAS detector / Tripiana, M (La Plata U.)
ATLAS has measured the production cross section of events with one and two isolated prompt photons in the final state, in proton-proton collisions at a center-of-mass energy $sqrt{s}=7$ TeV. [...]
ATL-PHYS-PROC-2011-189. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2351.
Design of the ATLAS IBL Readout System / for the ATLAS collaboration
An Insertable B-Layer is planned for the upgrade of the ATLAS detector and will add a fourth and innermost silicon layer to the existing Pixel Detector. [...]
ATL-INDET-PROC-2011-028. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2352.
Supersymmetry Searches at the Tevatron and the LHC Collider Experiments / Portell Bueso, X (CERN)
This document is a brief review of some of the most relevant searches for Supersymmetry carried out at the Tevatron and the LHC collider experiments, until the end of August 2011. [...]
ATL-PHYS-PROC-2011-190 ; arXiv:1112.1723. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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2353.
Top quark mass measurement using template methods, with 35 pb−1 recorded by the ATLAS detector, at sqrt(s) = 7 TeV. / Etienvre, AI (Saclay)
A first measurement of the top quark mass (mtop) has been performed by ATLAS with the first 35 pb−1 recorded by the experiment. [...]
ATL-PHYS-PROC-2011-191. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2354.
ATLAS overview / Ventura, A (INFN, Lecce ; Salento U.)
An overview of the ATLAS experiment running at the LHC is given. [...]
ATL-PHYS-PROC-2011-192. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2355.
Measurement of the Luminosity by the ATLAS Experiment / Gabaldon, C (CERN)
The luminosity is a fundamental parameter of a particle collider. [...]
ATL-LUM-PROC-2011-004. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published Version from PoS
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2356.
Search for New Physics at √s = 7 TeV in Hadronic Final States with Missing Transverse Energy and Heavy Flavor / Butler, Bart
A search for supersymmetric particles in events with large missing transverse momentum, heavy flavor jet candidates and no leptons (e,mu) in sqrt{s} = 7 TeV proton-proton collisions is presented. [...]
arXiv:1112.1722 ; 45. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text - Fulltext
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2357.
Measurement of the inclusive W$^{\pm}$ and Z/$\gamma^∗$ cross sections in the e and mu decay channels in p-p collisions at $\sqrt{s}$ = 7 TeV with the ATLAS detector / Bellomo, M (CERN)
Measurements by the ATLAS Collaboration are presented of the inclusive Drell-Yan W+- to lnu and Z/gamma∗ to ll (l = e,mu) production cross sections in proton-proton collisions at sqrt{s}= 7 TeV. [...]
ATL-PHYS-PROC-2011-194. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published Version from PoS
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2358.
Search for new physics in dijet mass and angular distributions in pp collisions at sqrt(s) = 7 TeV measured with the ATLAS detector / Dietzsch, T (Kirchhoff Inst. Phys.)
We present a search for physics beyond the Standard Model in proton-proton collisions at a centre-of-mass energy of sqrt(s) = 7 TeV, performed with the ATLAS Detector at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2011-195. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2359.
Performance of the ATLAS Tau Trigger in High Luminosity Scenarios / Mechnich, Joerg (NIKHEF, Amsterdam)
The sensitivity to new physics at the LHC is very much enhanced when hadronically decaying taus are present in the event topology, as for example with the Standard Model Higgs boson, Supersymmetry or exotic heavy resonances. [...]
ATL-DAQ-PROC-2011-029. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2360.
The ATLAS b-jet Trigger / Ferreira de Lima, D E (Glasgow U.)
The ATLAS detector, at the LHC, has a three-level trigger, which selects events relevant for the physics goals of the experiment. [...]
ATL-DAQ-PROC-2011-030. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2361.
The ATLAS IBL BOC Prototype / On behalf of the ATLAS Collaboration
The pixel detector of the ATLAS experiment at CERN will be upgraded with an additional layer (IBL) in 2013. [...]
ATL-INDET-PROC-2011-029. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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2362.
Search for the Standard Model Higgs boson in $H o ZZ$ decay channels with the ATLAS detector / Carrillo-Montoya, G (Wisconsin U., Madison)
The Standard Model Higgs boson in the medium and high mass ranges has a large branching ratio for decays to a pair of neutral weak bosons. [...]
ATL-PHYS-PROC-2011-196. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2363.
Recent updates of the Control and Configuration of the ATLAS Trigger and Data Acquisition System / Bianchi, R M (CERN)
The ATLAS experiment at the Large Hadron Collider at CERN relies on a complex and highly distributed Trigger and Data Acquisition (TDAQ) system \cite{tdaq:tdr} to gather and select particle collision data at unprecedented energy and rates. [...]
ATL-DAQ-PROC-2011-031. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2364.
Exotics Searches in photon and lepton final states with the ATLAS detector / Hryn'ova, T (Annecy, LAPP)
This paper presents a summary of exotics searches with photons and leptons in the final state performed up to July 2011 with the proton-proton collision data collected at the LHC at the center-of-mass energy of 7$,$TeV in 2010 and 2011 by the ATLAS detector..
ATL-PHYS-PROC-2011-197. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2365.
Measurement of the inclusive electron cross-section from the decays of heavy flavour hadrons in pp collisions at $sqrt{s}$ = 7 TeV at ATLAS / Bell, P J (Geneva U.)
We present the measurement of the inclusive electron spectrum in proton-proton collisions at a centre-of-mass energy of 7 TeV, using 1.3 pb-1 of data collected by the ATLAS experiment at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2011-198. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2366.
ATLAS New Heavy Quark Searches / Bousson, N (Marseille, CPPM)
This poster reviews the motivations for searching a fourth generation of fermions, and describes different strategies to detect new heavy quarks with the ATLAS experiment..
ATL-PHYS-PROC-2011-199. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2367.
Search for resonances in the diphoton channel at the ATLAS experiment of the Large Hadron Collider / Anduaga, X (IFIMAR, Buenos Aires)
A search has been performed for evidence of a narrow resonance in the diphoton invariant mass spectrum. [...]
ATL-PHYS-PROC-2011-200. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2368.
SUSY Searches at ATLAS in Multilepton Final States with Jets and Missing Transverse Energy / Schneider, B (Bern U.)
Results are presented from a search for supersymmetric signals in multilepton final states at ATLAS – with three or more leptons, jets, and moderate missing transverse energy in the final state. [...]
ATL-PHYS-PROC-2011-201. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2369.
Commissioning of high-performance b-tagging algorithms in pp collisions at sqrt(s)=7 TeV with the ATLAS experiment / Bousson, N (Marseille, CPPM)
The ability to identify jets containing b-hadrons is important for the high-pT physics program of a general-purpose experiment at the LHC such as ATLAS. [...]
ATL-PHYS-PROC-2011-202. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2370.
Measurement of the inclusive muon differential cross section with the ATLAS detector at LHC / Di Micco, B (Cern)
We present the measurement of the muon inclusive differential cross section (dsigma/dpT) in pp collisions at sqrt(s)=7 TeV with the ATLAS detector. [...]
ATL-PHYS-PROC-2011-203. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2371.
Measurements of Diboson Production in pp collisions at 7 TeV with the ATLAS detector / Oh, A (Manchester U.)
Measurements of the diboson cross sections in the WW,WZ,and ZZ channels are presented. [...]
ATL-PHYS-PROC-2011-204. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2372.
Measurement of the production cross section for Z/gamma* in association with jets in pp collisions at sqrt(s)=7 TeV with the ATLAS detector / Perez Codina, E (Barcelona, IFAE)
The study of the production of jets of particles in association with a Z/gamma* boson in proton-proton collisions at sqrt(s) = 7 TeV provides a stringent test of perturbative quantum chromodynamics (pQCD). [...]
ATL-PHYS-PROC-2011-205. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2373.
Performance of Tau Identification and Associated Systematic Uncertainties in ATLAS / Seifert, F (TU, Dresden)
In these proceedings, a description of the reconstruction and identification methods for tau leptons in ATLAS at the LHC is presented. [...]
ATL-PHYS-PROC-2011-206. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2374.
Search for supersymmetry in jets plus missing transverse momentum final states with the ATLAS detector / Vivarelli, I (Freiburg U., Inst. Phys. Chem.)
The ATLAS collaboration has searched for squarks and gluinos in final states with different jet multiplicities and large missing transverse momentum using 1.04 fb$^{-1}$ of proton-proton collisions at $sqrt{s} = 7$ TeV collected during 2011. [...]
ATL-PHYS-PROC-2011-207. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2375.
Single-top quark studies in ATLAS / Hirschbuehl, D (Wuppertal U.)
We present the result of searches for single top-quark production in the t and Wt-channels in 7 TeV proton-proton collisions with the ATLAS detector using 0.7~fb$^{-1}$ luminosity. [...]
ATL-PHYS-PROC-2011-208. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2376.
Performance studies of $b$-tagging algorithms using top quark pair production in $pp$ collisions at the center of mass energy 7 TeV with the ATLAS experiment / Kirika, U (Bonn U.)
$b$-tagging algorithms are calibrated with $tar{t}$ events for the first time with early data in the ATLAS experiment. [...]
ATL-PHYS-PROC-2011-209. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2377.
Searches for effects of TeV-scale gravity in the 2010 ATLAS data / KANEDA, M (CERN)
Models of extra dimensions give the solution of the hierarchy problem in the Standard Model by introducing the fundamental Planck scale in (n+4)-dimensions, where n is the number of extra dimensions, which is much smaller than the Planck scale in four space-time dimensions. [...]
ATL-PHYS-PROC-2011-210. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2378.
Silicon Strip Detectors for the ATLAS HL-LHC Upgrade / Dervan, P (Liverpool U.)
While the Large Hadron Collider (LHC) at CERN is continuing to deliver an ever-increasing luminosity to the experiments, plans for an upgraded machine called the High Luminosity-LHC (HL-LHC) are progressing. [...]
ATL-UPGRADE-PROC-2011-007. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2379.
Measurement of Wgamma and Zgamma Production in proton-proton collisions at sqrt(s)=7 TeV with the ATLAS Detector / Wang, SM (Taiwan, Inst. Phys.)
We present studies of W and Z bosons with associated high energy photons produced in pp collisions at sqrt(s)=7 TeV. [...]
ATL-PHYS-PROC-2011-211. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2380.
Reconstruction of Single-Top Events in the Semi-Leptonic t-Channel at sqrt(s)=7TeV / Kind, O M (Humboldt U.)
The electroweak production of single top quarks is of great interest for many aspects in and beyond the standard model. [...]
ATL-PHYS-PROC-2011-212. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2381.
Compiled measurements of the inclusive isolated prompt photon cross section in $pp$ collisions at $\sqrt{s} = 7$TeV with the ATLAS detector
This note compiles all ATLAS results on the isolated prompt photon production at 7 TeV centre-of-mass energy. [...]
ATL-PHYS-PUB-2011-013. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2382.
Measurement of the top-quark pair production cross section in ATLAS / Costa, M J (Valencia U., IFIC)
Measurements of the top-quark pair-production in proton-proton collisions at √s= 7 TeV with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2011-213. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2383.
Jet energy scale uncertainty and resolution in the ATLAS experiment / Doglioni, C (Oxford U.)
About one year after the first proton proton collisions at a centre of mass energy of sqrt(s)= 7 TeV the ATLAS experiment has achieved an accuracy of the jet energy measurement between 2-4\% for jet transverse momenta from 20 GeV to 2 TeV in the pseudo-rapidity region up to eta=4.5. [...]
ATL-PHYS-PROC-2011-214. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2384.
Measurement of the cross sections for the production of W and Z bosons in association with jets and heavy flavours in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector / Messina, A (Rome U. ; CERN)
Preliminary measurements are presented of the cross sections for the production of W and Z bosons in association with jets in pp collisions at sqrt(s) = 7 TeV. [...]
ATL-PHYS-PROC-2011-215. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2385.
Search for new phenomena in events with monojet and large missing transverse momentum with the ATLAS detector / Rossetti, V (Barcelona, IFAE)
This contribution reports preliminary results on a model independent search for new phenomena in events with monojets and large missing transverse momentum. [...]
ATL-PHYS-PROC-2011-216. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2386.
Measurement of the top quark cross-section in the single-lepton channel in $pp$ collisions at $sqrt{s} = 7$ TeV using kinematic fits and b-tagging information with the ATLAS Experiment / Lange, C (DESY)
The measurement of the top-quark pair production cross-section is a powerful tool to test the Standard Model (SM) at a new energy. [...]
ATL-PHYS-PROC-2011-217. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2387.
Fully hadronic ttbar cross section measurement with ATLAS detector / Bertella, Claudia (Marseille, CPPM)
The top quark pair production cross section in the fully hadronic final state is characterized by a six jet topology, two of which could be identified as originating from a b-quark using ATLAS b-tagging algorithms. [...]
arXiv:1111.3745. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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2388.
Measurements of the inclusive electron cross-section in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector / Bordoni, S (Paris U., VI-VII)
This poster presents the measurement of the inclusive differential cross-section as a function of the transverse momentum pT for electron production in proton-proton collisions at a center of mass energy of sqrt(s) = 7 TeV. [...]
ATL-PHYS-PROC-2011-219. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2389.
ATLAS Results on Pb+Pb Collisions / Santos, H (LIP)
A wide research program provided by heavy ion collisions is ongoing at the Large Hadron Collider with the aim of studying the properties of QCD matter at extreme temperatures and densities. [...]
ATL-PHYS-PROC-2011-220. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2390.
Higgs searches in the H->bb channel in ATLAS / Conde Muino, P (LIP) ; Goncalo, R (Royal Holloway, U. of London)
This paper summarizes results of the first ATLAS direct search for the Standard Model Higgs boson in the mass range 110 &lt; m_H &lt; 130 GeV when produced in association with a W or Z boson and decaying to bb. [...]
ATL-PHYS-PROC-2011-221. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2391.
High pT Jet Physics / Teuscher, Richard
This report gives a selection of recent jet results from the LHC and Tevatron, including inclusive jet production, dijets, and jets produced in association with massive vector bosons..
arXiv:1111.2484. - 2011. - 7 p.
Fermilab Library Server - Full text - Fulltext - Fulltext - ATL-PHYS-PROC-2011-222 (2011-11-03)
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2392.
Searches for Higgs and physics beyond the Standard Model in ATLAS / Bini, C (Rome U. ; INFN, Rome)
ATLAS results on the search for the Standard Model Higgs boson in a mass range from 110 GeV to 600 GeV are presented, based on data collected in 2011. [...]
ATL-PHYS-PROC-2011-223. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2393.
Performance of the ATLAS Trigger and Data-Acquisition system / Dobson, E (CERN)
The ATLAS Trigger and Data Acquisition (TDAQ) system cite{TriggerPerf} is responsible for reducing the event rate from the design bunch-crossing rate of 40 MHz to an average recording rate of 200 Hz. [...]
ATL-DAQ-PROC-2011-032. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published Version from PoS
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2394.
Development of an ATCA IPMI controller mezzanine board to be used in the ATCA developments for the ATLAS Liquid Argon upgrade / Dumont Dayot, N (Annecy, LAPP)
In the context of the LHC upgrades, a new Read-Out Driver (ROD) board for the ATLAS LAr calorimeter is being developed. [...]
ATL-LARG-PROC-2011-008. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2395.
Readout Electronics for the ATLAS LAr Calorimeter at HL-LHC / Chen, H (Brookhaven Natl. Lab.)
The ATLAS Liquid Argon (LAr) calorimeters are high precision, high sensitivity and high granularity detectors designed to provide precision measurements of electrons, photons, jets and missing transverse energy. [...]
ATL-LARG-PROC-2011-009. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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2396.
Search for high-mass dimuon resonances in the ATLAS experiment at sqrt{s} = 7 TeV / Viel, S (British Columbia U. ; TRIUMF)
We present a search for high-mass mu+mu- resonances in pp collisions at a centre-of-mass energy of 7 TeV recorded by the ATLAS experiment in 2011. [...]
ATL-PHYS-PROC-2011-224. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2397.
Design and assembly of double-sided silicon strip module prototypes for the ATLAS upgrade strip tracker. / Barbier, G (DPNC, University of Geneva) ; Cadoux, F (DPNC, University of Geneva) ; Clark, A (DPNC, University of Geneva) ; Ferrere, D (DPNC, University of Geneva) ; Gonzalez-Sevilla, S (DPNC, University of Geneva) ; Ikegama, Y (KEK High Energy Accelerator Research Organization) ; Hara, K (University of Tsukuba) ; La Marra, D (DPNC, University of Geneva) ; Pelleriti, G (DPNC, University of Geneva) ; Pohl, M (DPNC, University of Geneva) et al.
The LHC foresees a peak luminosity increase of up to $\sim 5\times 10^{34}\,\rm{cm}^{-2}\,\rm{s}^{-1}$ from $\sim$2022 with an integrated luminosity of $\sim 3000\,\rm{fb^{-1}}$ before 2030. [...]
ATL-UPGRADE-PUB-2011-002. - 2011. - 57 p.
Original Communication (restricted to ATLAS) - Full text
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2398.
Measurement of the ZZ production cross section in Proton-Proton collisions at sqrt{s} = 7 TeV with the ATLAS detector / Petridis, A (Thessaloniki U.)
This work attempts to measure the ZZ production cross section in proton-proton collisions at sqrt{s} = 7 TeV using 1fb-1 data collected by the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2011-225. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2399.
ATLAS Studies of Soft QCD Processes at 7 TeV / Kar, D (Dresden, Tech. U.)
Using Minimum Bias data recorded in 2010, ATLAS has carried out several studies of the global properties of pp collisions at 7 TeV. [...]
ATL-PHYS-PROC-2011-226. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2400.
STATUS OF THE ATLAS LIQUID ARGON CALORIMETER AND ITS PERFORMANCE / Berillari, T (Munich, Max Planck Inst.)
The liquid argon (LAr) calorimeters are used in ATLAS for all electromagnetic and for hadron calorimetry. [...]
ATL-LARG-PROC-2011-010. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2401.
Search for high-mass dilepton resonances with the ATLAS experiment at $\sqrt{s}$ = 7 TeV / Viel, Simon
We present a search for high-mass l+l- resonances in pp collisions at a centre-of-mass energy of 7 TeV recorded by the ATLAS experiment in 2011. [...]
arXiv:1111.2360. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2011-227 (2011-11-07) - Preprint - Fulltext - Full text
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2402.
Exotics searches in top, top-like and diboson final states with the ATLAS detector / Kuhl, Th (DESY)
We present analyses for top quark and top quark like final states using an integrated luminosity of 33 to $200,mathrm{pb^{-1}}$ of data recorded with the ATLAS experiment [...]
ATL-PHYS-PROC-2011-228. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2403.
Search for supersymmetry in lepton/photon(s)/b-jets and missing transverse momentum final states with the ATLAS detector / Hayward, H (Liverpool U.)
Channels with one or several leptons or photons and high missing transverse momentum (and potentially high pT jets or b-jets) are a natural place to search for supersymmetry at the LHC. [...]
ATL-PHYS-PROC-2011-229. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2404.
Measurement of the muon inclusive cross section in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector / Franchino, S (Pavia U. ; INFN, Pavia)
The measurement of the muon inclusive di fferential cross section dsigma/dpt in pp collisions at sqrt(s)=7 TeV with the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2011-230. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2405.
VCSEL Reliability in ATLAS and development of robust arrays / Weidberg, A R (Oxford U.)
Vertical Cavity Surface Emitting Lasers (VCSELs) are used for the readout and control of all ATLAS detectors at the LHC. [...]
ATL-ELEC-PROC-2011-001. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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2406.
The ATLAS SemiConductor Tracker Operation and Performance / Pater, J (Manchester U.)
Draft of proceedings contribution for PSD9, 13-09-2011
ATL-INDET-PROC-2011-030. - 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2407.
Measurement of isolated prompt photons in pp collisions with the ATLAS detector / Polci, F (LPSC, Grenoble)
Measurements of the cross sections for the inclusive productions of isolated prompt photons and di-photons in proton-proton collisions at a centre-of-mass energy $sqrt{s}$ = 7 TeV at the Large Hadron Collider (LHC) with the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2011-231. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2408.
Search for neutral and charged MSSM Higgs bosons in ATLAS / Flechl, Martin (Freiburg U.)
The results of Higgs boson searches in the context of the Minimal Supersymmetric extension of the Standard Model (MSSM) in proton-proton collisions with the ATLAS detector based on collected data corresponding to up to 36 pb$^{-1}$ are presented. [...]
arXiv:1307.2045 ; ATL-PHYS-PROC-2011-232. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Fulltext - Preprint
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2409.
Measurement of the ATLAS di-muon trigger efficiency in proton-proton collisions at 7 TeV / Piccaro, E.
At the LHC, muons are produced in many final states and used in a variety of analysis, such as Standard Model precision measurements and searches for new physics. [...]
arXiv:1111.4329. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - ATL-DAQ-PROC-2011-033 (2011-11-07) - Preprint - Full text - Fulltext
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2410.
Search for the Standard Model Higgs boson through the $H \to ZZ$ decay channels with the ATLAS detector / Nikolopoulos, K (Brookhaven Natl. Lab.)
The search for the Standard Model-like Higgs boson via its decays into two Z bosons is presented, based on the ATLAS data collected in 2011. [...]
ATL-PHYS-PROC-2011-233. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2411.
Overview of searches for supersymmetry with the ATLAS detector / Taffard, A (UC Irvine)
ATLAS searches for supersymmetry in data from the 2010 and 2011 running of the LHC will be reviewed. [...]
ATL-PHYS-PROC-2011-234. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2412.
Measurement of the Z->tau tau and W-> tau nu cross sections with the ATLAS detector / Griffiths, J (Washington U., Seattle)
Short description of the poster I presented at EPS. [...]
ATL-PHYS-PROC-2011-235. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2413.
Update on the high speed serializer ASIC development for ATLAS Liquid Argon calorimeter upgrade / Liua, Tiankuan ; Liu, T. (Southern Methodist U.)
We have been developing a serializer application-specific integrated circuit (ASIC) based on a commercial 0.25-μm silicon-on-sapphire (SOS) CMOS technology for the ATLAS liquid argon calorimeter front-end electronics upgrade. [...]
arXiv:2202.05106. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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2414.
Photon and di-photon production at ATLAS / Delmastro, Marco (CERN)
The latest ATLAS measurements of the cross section for the inclusive production of isolated prompt photons in $pp$ collisions at a centre-of-mass energy $\sqrt{s}$ = 7 TeV at the LHC are presented, as well as the measurement of the di-photon production cross section..
arXiv:1111.2223 ; ATL-PHYS-PROC-2011-236 ; ATL-PHYS-PROC-2011-236. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Preprint - Fulltext - Full text
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2415.
Performance and Calibration of the ATLAS Jet Trigger / Machado Miguens, J (LIP, Lisbon)
ATLAS has been successfully collecting 7 TeV pp collision data from the LHC since 2010, at a rate that will ultimately reach 40 MHz for nominal LHC conditions. [...]
ATL-DAQ-PROC-2011-034. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2416.
ATLAS Results from the first Pb-Pb Collisions / White, Sebastian N. (Rockefeller U. ; INFN, Pisa ; Pisa U.)
The ATLAS detector is capable of resolving the highest energy pp collisions at luminosities sufficient to yield 10's of simultaneous interactions within a bunch collision lasting <0.5 nsec. [...]
arXiv:1111.2789. - 2012-03-15. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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2417.
Search for a fermiophobic Higgs boson in the diphoton channel with the ATLAS detector
The search for a fermiophobic Higgs boson in the diphoton channel with the ATLAS detector in proton-proton collisions at a centre-of-mass energy of sqrt(s) = 7 TeV is performed using an integrated luminosity of 1.08/fb recorded in 2011. [...]
ATLAS-CONF-2011-149. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2418.
Development of noSQL data storage for the ATLAS PanDA Monitoring System / Potekhin, Maxim (Brookhaven)
For several years the PanDA Workload Management System has been the basis for distributed production and analysis for the ATLAS experiment at the LHC. [...]
ATL-SOFT-PROC-2011-044. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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2419.
SUSY SEARCHES AT ATLAS / Primavera, M (INFN, Lecce)
Supersymmetry (SUSY) predicts a new symmetry between fermions and bosons and it is one of the most favoured theories to describe physics beyond the Standard Model (SM). [...]
ATL-PHYS-PROC-2011-238. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2420.
A Search for $tar{t}$ Resonances in the Dilepton Channel in 1.04 fb$^{-1}$ of $pp$ collisions at $sqrt{s} = 7$ TeV with the ATLAS experiment / Petteni, M (Simon Fraser U.)
A search for a high mass $tar{t}$ resonance in $pp$ collisions at $sqrt{s} = 7$~TeV at the LHC is presented. [...]
ATL-PHYS-PROC-2011-239. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2421.
Measurement of the W and Z boson production cross sections in pp collisions at 7 TeV with the ATLAS detector. / Reece, R (Pennsylvania U.)
In this document, the speaker presents results from recent measurements of the production cross sections of W and Z bosons in decays to electrons, muons, and taus, with the ATLAS detector. [...]
ATL-PHYS-PROC-2011-240. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2422.
Soft QCD with ATLAS Detector at LHC / Ferrag, S (Glasgow U.)
Soft QCD measurements in proton-proton collisions at $sqrt s$ = 900 GeV and 7 TeV recorded with the ATLAS detector at the LHC are presented. [...]
ATL-PHYS-PROC-2011-241. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2423.
Distributed processing and analysis of ATLAS experimental data / Barberis, D (Genoa U. ; INFN, Genoa)
The ATLAS experiment is taking data steadily since Autumn 2009, and collected so far over 5 fb-1 of data (several petabytes of raw and reconstructed data per year of data-taking). [...]
ATL-SOFT-PROC-2011-045. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2424.
Search for a Standard Model Higgs Boson in the mass range 200-600 GeV in the channel H -> ZZ -> llqq using the ATLAS Detector.
This note describes an updated search for the Standard Model Higgs boson with a mass in the range 200 <= mH <= 600 GeV decaying via the channel H -> ZZ -> llqq, where l = e or mu. [...]
ATLAS-CONF-2011-150. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2425.
Boson and diboson production at ATLAS / Venturi, M (Freiburg U.)
Results obtained with the ATLAS detector cite{atlas} at the LHC, with 7 TeV pp-collisions and an integrated luminosity up to 1 fb$^{-1}$, are presented for many electroweak processes. [...]
ATL-PHYS-PROC-2011-242. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2426.
A SEARCH FOR W_R AND HEAVY NEUTRINOS IN THE DILEPTONS+JETS FINAL STATE WITH THE ATLAS DETECTOR / Yoosoofmiya, R (Pittsburgh U.)
This report describes a search for heavy Majorana neutrinos and $W_R$ gauge bosons predicted by the Left-Right Symmetric Model and Effective Lagrangian Operators, in dilepton+dijet final state. [...]
ATL-PHYS-PROC-2011-243. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2427.
Exotic Searches at ATLAS / Frost, J A (Cambridge U.)
A selection of the most recent ATLAS results of searches for Exotic new physics phenomena are detailed. [...]
ATL-PHYS-PROC-2011-244. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2428.
Diffractive measurements in ATLAS / Grafstrom, P (CERN)
Several diffractive measurements in ATLAS are discussed. [...]
ATL-PHYS-PROC-2011-245. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2429.
The ATLAS b-Jet Trigger / Hansson Adrian, Per Ola (SLAC)
The online event selection is crucial to reject most of the events containing uninteresting background collisions while preserving as much as possible the interesting physical signals. [...]
arXiv:1111.4190 ; SLAC-PUB-15851. - 2011. - 4 p.
SLAC Document Server - Full text - Full text
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2430.
Search for a charged Higgs boson decaying via H+ to tau(lep)+nu in ttbar events with one or two light leptons in the final state using 1.03/fb of pp collision data recorded at sqrt(s) = 7 TeV with the ATLAS detector
This paper presents the results of a search for charged Higgs bosons by the ATLAS experiment, based on 1.03/fb of proton-proton collision data at sqrt(s) = 7 TeV using the single-lepton and dilepton channels in ttbar decays with a leptonically decaying tau in the final state. [...]
ATLAS-CONF-2011-151. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2431.
Performance of the Reconstruction and Identification of Hadronic Tau Decays with ATLAS
The reconstruction algorithm, energy calibration, and identification methods for hadronically decaying tau leptons in ATLAS are described in this note. [...]
ATLAS-CONF-2011-152. - 2011. - 40 p.
Original Communication (restricted to ATLAS) - Full text
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2432.
Measurement of the inclusive t tbar gamma cross section with the ATLAS detector
Top quark pair events with additional photons in the final state are directly sensitive to the t¯tγ vertex [...]
ATLAS-CONF-2011-153. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2433.
A search for Flavour Changing Neutral Currents in Top Quark Decays t-> qZ at sqrt{s}=7 TeV in 0.70 fb$^{-1}$ of pp collision data collected with the ATLAS Detector
A search by the ATLAS collaboration for flavour changing neutral current~(FCNC) processes involving the top quark is presented. [...]
ATLAS-CONF-2011-154. - 2011. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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2434.
Search for supersymmetry with jets and missing transverse momentum: Additional model interpretations
This note describes a set of new model interpretations of the search for supersymme- try using final states with jets and missing transverse momentum. [...]
ATLAS-CONF-2011-155. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2435.
Constraining the gauge-mediated Supersymmetry breaking model in final states with two leptons, jets and missing transverse momentum with the ATLAS experiment at sqrt(s) = 7 TeV
This note describes a new interpretation of a search for Supersymmetry in final states with exactly two oppositely charged leptons, jets and missing transverse momentum within the gauge-mediated Supersymmetry breaking model. [...]
ATLAS-CONF-2011-156. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2436.
Identification of Pile-up Using the Quality Factor of Pulse Shapes in the ATLAS Tile Calorimeter / Clement, C (Stockholm U.) ; Klimek, P (Stockholm U.)
Abstract—The ATLAS experiment records data from the proton-proton collisions produced by the Large Hadron Col- lider (LHC). [...]
ATL-TILECAL-PROC-2011-014. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2437.
An Upgraded Front-End Switching Power Supply Design for the ATLAS TileCAL Detector of the LHC / Drake, G (Argonne) ; Cundiff, T (Argonne) ; De Lurgio, P (Argonne) ; Henriques, A (CERN) ; Minashvili, I (Dubna, JINR) ; Nemecek, S (Prague, Inst. Phys.) ; Price, L (Argonne) ; Proudfoot, J (Argonne) ; Stanek, R (Argonne)
We present the design of an upgraded switching power supply brick for the front-end electronics of the ATLAS hadron tile calorimeter (TileCAL) at the LHC. [...]
ATL-TILECAL-PROC-2011-015. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2438.
Preparing the ATLAS Jet Trigger for High Luminosity / Kasieczka, G (Kirchhoff Inst. Phys.)
The jet trigger of the ATLAS detector is crucial for selecting events containing jets of high transverse energy. [...]
ATL-DAQ-PROC-2011-036. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2439.
Study of the performance of the ATLAS Muon Spectrometer / Bini, C (INFN, Rome ; Rome U.)
The ATLAS muon spectrometer consists of three large air-core superconducting toroids [...]
ATL-MUON-PROC-2011-008. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2440.
Prompt Reconstruction of ATLAS Data in 2010 and 2011 / Oda, S (Tokyo U., ICEPP)
The LHC started operating in November 2009 and has since then provided billions of collision events that were recorded by the ATLAS experiment and promptly reconstructed at an on-site computing farm. [...]
ATL-DAPR-PROC-2011-001. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2441.
An Alternative Method for TileCal Signal Detection and Amplitude Estimation / Sotto-Maior Peralva, B (Juiz de Fora U.) ; Santiago Cerqueira, A (Juiz de Fora U.) ; Manhães de Andrade Filho, L (Juiz de Fora U.) ; Manoel de Seixas, J (Rio de Janeiro Federal U.)
The Tile Barrel Calorimeter (TileCal) is the central section of the hadronic calorimeter of ATLAS. [...]
ATL-TILECAL-PROC-2011-016. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2442.
ATLAS ABCD Hybrid Fatal Charge Dosage Test / Kuhl, A (UC, Santa Cruz) ; Fadeyev, V (UC, Santa Cruz) ; Grillo, A A (UC, Santa Cruz) ; Martinez-McKinney, F (UC, Santa Cruz) ; Nielsen, J (UC, Santa Cruz) ; Spencer, E (UC, Santa Cruz) ; Wilder, M (UC, Santa Cruz)
The Semi-Conductor Tracker (SCT) in the ATLAS experiment at the Large Hadron Collider (LHC) could be subject to various beam loss scenarios. [...]
ATL-INDET-PROC-2011-031. - 2011. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2443.
Measurement of the W helicity in top quark decays with the ATLAS detector using a template method / Knue, A (Gottingen U.)
Using 35 pb-1 of data, recorded in 2010, ATLAS has measured the helicity of the W-boson in top quark decays in the lepton+jet channel of ttbar events. [...]
ATL-PHYS-PROC-2011-246. - 2011. - 1 p.
Original Communication (restricted to ATLAS) - Full text
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2444.
Performance of the ATLAS Tau Trigger system with 7 TeV pp collisions at the LHC / Casado, MP (Barcelona, IFAE)
The LHC resumed operation in February 2011, colliding proton beams at a center of mass energy of 7 TeV. [...]
ATL-DAQ-PROC-2011-037. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2445.
Measurements of multijets and the internal structure of jets at ATLAS / Demirkoz, B (Barcelona, IFAE ; Middle East Tech. U., Ankara)
Recent measurements of multijets and the internal structure of jets at ATLAS are presented..
ATL-PHYS-PROC-2011-247. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2446.
Searches for long-lived charged particles with the ATLAS experiment / Ohm, C (Stockholm U.)
Proceedings for PLHC 2011 poster summarizing the ATLAS searches for R-hadrons and stable sleptons using the 2010 dataset..
ATL-PHYS-PROC-2011-248. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2447.
A prototype for the upgraded readout electronics of TileCal / Eriksson, D (Stockholm U.) ; Muschter, S (Stockholm U.) ; Bohm, C (Stockholm U.) ; Kavianipour, H (Stockholm U.) ; Anderson, K (Chicago U.) ; Oreglia, M (Chicago U.) ; Tang, F (Chicago U.)
Upgrade plans for ATLAS hadronic tile calorimeter (TileCal) include full readout of all data to the counting room. [...]
ATL-TILECAL-PROC-2011-017. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2448.
Top Physics Results From the ATLAS Experiment / Cobal, M (Udine U.)
A short review of the main results from the ATLAS experiment on top studies is given..
ATL-PHYS-PROC-2011-249. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2449.
Functional Super Read Out Driver Demonstrator for the Phase II Upgrade of the ATLAS Tile Calorimeter / Carrió, F (Valencia U.) ; Castillo, V (Valencia U.) ; Ferrer, A (Valencia U.) ; Fiorini, L (Valencia U.) ; González, V (Valencia U.) ; Hernández, Y (Valencia U.) ; Higón, E (Valencia U.) ; Moreno, P (Valencia U.) ; Sanchis, E (Valencia U.) ; Solans, C (Valencia U.) et al.
This work presents the implementation of a functional super Read Out Driver (sROD) demonstrator for the Phase II Upgrade of the ATLAS Tile Calorimeter (TileCal) in the LHC experiment. [...]
ATL-TILECAL-PROC-2011-018. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2450.
Optimal Filtering Algorithm implementation in FPGAs for the ATLAS TileCal Read-Out Drivers / Moreno, P (Valencia U. ; Valencia U., IFIC) ; Carrió, F (Valencia U. ; Valencia U., IFIC) ; Castillo, V (Valencia U. ; Valencia U., IFIC) ; Ferrer, A (Valencia U. ; Valencia U., IFIC) ; Fiorini, L (Valencia U. ; Valencia U., IFIC) ; González, V (Valencia U.) ; Higón, E (Valencia U. ; Valencia U., IFIC) ; Sanchis, E (Valencia U.) ; Solans, C (Valencia U. ; Valencia U., IFIC) ; Valero, A (Valencia U. ; Valencia U., IFIC) et al.
TileCal is the hadronic calorimeter of the ATLAS experiment in the LHC (CERN). [...]
ATL-TILECAL-PROC-2011-019. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2451.
An FPGA based demonstrator for a topological processor in the future ATLAS L1-Calo trigger “GOLD” / for the ATLAS collaboration
Abstract: The existing ATLAS trigger consists of three levels. [...]
ATL-DAQ-PROC-2011-038. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2452.
ATLAS SemiConductor Tracker: operation and performance / Moreno Llacer, M (Valencia U., IFIC)
The SemiConductor Tracker (SCT) is a silicon strip detector and one of the key precision tracking devices in the Inner Detector of the ATLAS (A Toroidal LHC ApparatuS) experiment at CERN. [...]
ATL-INDET-PROC-2011-032. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2453.
Calibration and Performance of the Precision Chambers of the ATLAS Muon Spectrometer / Iodice, Mauro (INFN, Rome3)
The ATLAS Muon Spectrometer consists of a system of precision tracking and trigger chambers embedded in a 2T magnetic field generated by three large air-core superconducting toroids. [...]
ATL-MUON-PROC-2011-009. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2454.
LIQUID ARGON CALORIMETER PERFORMANCE AT HIGH RATES / Kukhtin, V (Dubna, JINR)
The performance of the ATLAS liquid argon endcap and forward calorimeters has been projected at the planned high luminosity LHC option HL-LHC by exposing small calorimeter modules of the electromagnetic, hadronic, and forward calorimeters to high intensity proton beams at IHEP/Protvino accelerator. [...]
ATL-LARG-PROC-2011-012. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2455.
Combined Standard Model Higgs boson searches with up to 2.3 fb-1 of pp collisions at sqrt{s}=7~TeV at the LHC
A combination of searches for the Standard Model (SM) Higgs boson by the ATLAS and CMS experiments at the LHC is presented. [...]
ATLAS-CONF-2011-157. - 2011. - 44 p.
Original Communication (restricted to ATLAS) - Full text
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2456.
Search for New Phenomena in Events with Three or more Charged Leptons
We present a generic search for new phenomena in events with at least three charged leptons using 1.02 fb−1 of p p collision data recorded by the ATLAS detector at sqrt{s} = 7 TeV. [...]
ATLAS-CONF-2011-158. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2457.
Performance of the ATLAS Transition Radiation Tracker / Adelman, J (Yale U.)
The ATLAS Transition Radiation Tracker (TRT) is a large straw tube tracking system that is the outermost of the three subsystems of the ATLAS Inner Detector (ID). [...]
ATL-INDET-PROC-2011-033. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2458.
Online Muon Reconstruction in the ATLAS Muon Spectrometer at the Level-2 stage of the Event Selection / Di Mattia, A (Michigan State U.)
To cope with the 40 MHz event production rate of LHC, the ATLAS experiment uses a multi level trigger architecture that selects events in three sequential steps, increasing the complexity of reconstruction algorithms and accuracy of measurements with each step. [...]
ATL-DAQ-PROC-2011-039. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2459.
Physics program of ALFA and precision luminosity measurement in ATLAS / Sykora, T (Charles U.)
ALFA - Absolute Luminosity For ATLAS - is a system of tracker-type detectors which primary goal is to measure absolute luminosity. [...]
ATL-PHYS-PROC-2011-250. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2460.
Performance of the ATLAS tau trigger during 2011 data taking period / Isaksson, Charlie (Uppsala U., Inst. Theor. Phys.)
Many models for physics Beyond the Standard Model predict an increased production rate for tau leptons. [...]
ATL-DAQ-PROC-2011-040 ; arXiv:1112.6110 ; ATL-DAQ-PROC-2011-040. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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2461.
First Results from the Online Radiation Dose Monitoring System in ATLAS experiment / Mandić, I (Stefan Inst., Ljubljana) ; Cindro, V (Stefan Inst., Ljubljana) ; Deliyergiyev, M (Stefan Inst., Ljubljana) ; Gorišek, A (Stefan Inst., Ljubljana) ; Kramberger, G (Stefan Inst., Ljubljana) ; Mikuž, M (Stefan Inst., Ljubljana) ; Franz, S (CERN) ; Hartert, J (Freiburg U.) ; Dawson, I (Sheffield U.) ; Miyagawa, P S (Sheffield U.) et al.
High radiation doses which will accumulate in components of ATLAS experiment during data taking will cause damage to detectors and readout electronics. [...]
ATL-INDET-PROC-2011-034. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2462.
Particle Identification with the ATLAS Transition Radiation Tracker / Hines, E (Pennsylvania U.)
The ATLAS Transition Radiation Tracker (TRT) is the outermost of the three sub-systems of the ATLAS Inner Detector at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2011-035. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2463.
Higgs Searches at ATLAS / Solans, C (Valencia U., IFIC)
We review the current searches at ATLAS for Higgs bosons in the Standard Model performed at the LHC with a center of mass energy of 7 TeV [...]
ATL-PHYS-PROC-2011-251. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2464.
Real time algorithms in the ATLAS tau trigger system at 7 TeV center of mass energy / Kadlecik, P (Bohr Inst.)
The ATLAS tau trigger plays an important role in many real data analyses. [...]
ATL-DAQ-PROC-2011-041. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2465.
Operational Experience with the ATLAS Pixel Detector / Lange, C (DESY)
The ATLAS Pixel Detector is the innermost part of the ATLAS Detector, which is operated at the Large Hadron Collider (LHC) at CERN. [...]
ATL-INDET-PROC-2011-036. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2466.
Further ATLAS tunes of PYTHIA6 and Pythia 8
We present the latest developments of the ATLAS MC generator tuning project for the Pythia family of event generators, including the C++ Pythia 8 code. [...]
ATL-PHYS-PUB-2011-014. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2467.
HEAVY FLAVOUR PRODUCTION AT ATLAS / Sivoklokov, S (SINP, Moscow ; Moscow State U.)
The production of heavy flavours at LHC provides an opportunity for new insight into QCD. [...]
ATL-PHYS-PROC-2011-252. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2468.
Alignment of the ATLAS Inner Detector tracking system / Skinnari, L (UC, Berkeley ; LBNL, Berkeley)
To reconstruct trajectories of charged particles produced in the LHC collisions, the ATLAS detector is equipped with an inner tracking system built using two different technologies, silicon planar sensors (pixels and microstrips) and drift-tube based detectors. [...]
ATL-INDET-PROC-2011-037. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2469.
Measuring the b-tagging Performance with ATLAS Data / Tannoury, N (Marseille, CPPM)
The identification of jets originating from b-quarks, referred to as b-tagging, is an important part of the LHC physics program. [...]
ATL-GEN-PROC-2011-004. - 2011. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2470.
Measurement of the Z/gamma* transverse momentum spectrum with ATLAS / Mueller, K (Bonn U.)
A measurement of the Z/gamma* transverse momentum with ATLAS in sqrt(s)=7TeV proton-proton collisions at the LHC is presented. [...]
ATL-PHYS-PROC-2011-253. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2471.
The ATLAS IBL BOC Demonstrator / Ancu, J (Bern U.) ; Dopke, J (CERN) ; Falchieri, D (INFN, Bologna) ; Flick, T (Wuppertal U.) ; Gabrielli, A (Bologna U.) ; Grosse-Knetter, J (Gottingen U.) ; Heim, T (Wuppertal U.) ; Joseph, J (LBNL, USA) ; Krieger, N (Gottingen U.) ; Kugel, A (Heidelberg U.) et al.
The Insertable-B-Layer (IBL) is a new pixel detector layer to be installed at the ATLAS experiment at the LHC, CERN in 2013. [...]
ATL-INDET-PROC-2011-038. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2472.
ATLAS Status and recent results / Cheplakov, A (Dubna, JINR)
The Large Hadron Collider at CERN has resumed its operation in 2011 by showing a stable world-record-breaking performance at 3.5 TeV per proton beam energy. [...]
ATL-PHYS-PROC-2011-254. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2473.
Performance of the ATLAS Trigger System / Gabaldon, C (CERN)
The ATLAS Trigger System reduces the event rate from the bunch-crossing rate of $40 \rm \ MHz$ to an average recording rate of $200 \rm \ Hz$ by selecting high-$p_{T}$ physics events. [...]
ATL-DAQ-PROC-2011-042. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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2474.
Top Quark Production at the LHC / Spano, F (Royal Holloway, U. of London)
Top quark production in proton proton collisions at the Large Hadron Collider (LHC) is reviewed using data collected by the ATLAS and CMS detectors. [...]
ATL-PHYS-PROC-2011-255. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2475.
Performance and Operational Experience with the Heterogeneous Farm of the ATLAS Trigger and Data Acquisition System / Garelli, N (CERN) ; Pasqualucci, E (INFN Roma) ; Vandelli, W (CERN)
The ATLAS trigger and data acquisition (TDAQ) is a distributed, multi trigger level, data-acquisition system, mostly made of off-the-shelf processing units organized in a farm. [...]
ATL-DAQ-PROC-2011-043. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2476.
An Early Slice Prototype for the Upgraded Readout Electronics of TileCal (conference record) / Muschter, S (Stockholm U.) ; Anderson, K (Chicago U., EFI) ; Bohm, C (Stockholm U.) ; Eriksson, D (Stockholm U.) ; Kavianipour, H (Stockholm U.) ; Oreglia, M (Chicago U., EFI) ; Tang, F (Chicago U., EFI)
We have developed a slice prototype of the full TileCal readout chain based on prototype modules and off-the-shelf components. [...]
ATL-TILECAL-PROC-2011-020. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2477.
Measurement of dijet production with a jet veto at ATLAS / Tricoli, A (CERN)
This contribution to the 2011 Low-x meeting presents ATLAS measurements that provide accurate tests of perturbative QCD radiation models in dijet systems in two limits: large jet rapidity separation and large jet transverse momentum. [...]
ATL-PHYS-PROC-2011-256. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2478.
Search for new physics in dijet mass and angular distributions in pp collisions at sqrt(s) = 7 TeV measured with the ATLAS detector / Dietzsch, T (Kirchhoff Inst. Phys.)
We present a search for physics beyond the Standard Model in proton-proton collisions at a centre-of-mass energy of sqrt(s) = 7 TeV, performed with the ATLAS Detector at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2011-257. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2479.
Alignment of the ATLAS Inner Detector / Wang, J (Taiwan, Inst. Phys.)
In order to reach the track parameter accuracy requested by the physics goals of the experiment, the ATLAS tracking system requires to determine accurately its almost 700,000 degrees of freedom. [...]
ATL-INDET-PROC-2011-039. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2480.
Standard Model Higgs searches with the ATLAS detector at the Large Hadron Collider / Nisati, Aleandro
The investigation of the mechanism responsible for electroweak symmetry breaking is one of the most important tasks of the scientific program of the Large Hadron Collider. [...]
arXiv:1111.7132. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint - Fulltext
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2481.
A measurement of the ATLAS di-muon trigger efficiency in proton-proton collisions at sqrt(s)= 7 TeV / Conventi, F A
The B physics programme of the ATLAS experiment includes the study of the production cross sections, the searches for rare b decay signatures which are sensitive to new physics at the TeV energy scale and the measurements of CP violation effects in B-events, such as BS0→J /ψ φ and Bd0 →J /ψ KS0 . [...]
ATL-DAQ-PROC-2011-044. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2482.
WZ Production in pp Collisions at 7 TeV with ATLAS / Kagan, M (Harvard U.)
The measurement of the W±Z production cross section in proton-proton interactions at √s = 7 TeV is reported from the ATLAS experiment at the LHC using 1.02 fb−1 of data. [...]
ATL-PHYS-PROC-2011-259. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2483.
Associative Memory Design for the FastTrack Processor (FTK) at ATLAS / Annovi, A (Frascati) ; Beretta, M (Frascati) ; Volpi, G (Frascati) ; Beccherle, R (INFN, Pisa ; Pisa U.) ; Bossini, E (INFN, Pisa ; Pisa U.) ; Crescioli, F (INFN, Pisa ; Pisa U.) ; Dell'Orso, M (INFN, Pisa ; Pisa U.) ; Giannetti, P (INFN, Pisa ; Pisa U.) ; Amerio, S (Fermilab) ; Hoff, J (Fermilab) et al.
We propose a new generation of VLSI processor for pattern recognition based on Associative Memory architecture, optimized for on-line track finding in high-energy physics experiments. [...]
ATL-DAQ-PROC-2011-045. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2484.
Searches for Long-lived particles with the ATLAS experiment / Jackson, Paul D.
The discovery of a new type of a heavy long-lived particle (LLP) would be of fundamental significance due to their existence in many beyond the Standard Model scenarios. [...]
arXiv:1112.0081 ; SLAC-PUB-16015. - 2011. - 3 p.
SLAC Document Server - Fulltext - Preprint - Full text
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2485.
Studies of vector boson transverse momentum simulation in Monte Carlo event generators
We present studies of event generator behaviours regarding vector boson production characteristics, in particular the transverse momentum, pT, of the $Z$ boson as measured by ATLAS, for discussion at the LPCC working group meeting on precision electroweak physics at the LHC. [...]
ATL-PHYS-PUB-2011-015. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2486.
Multi-Threaded Evolution of the Data-Logging System of the ATLAS Experiment at CERN / Colombo, T (Pavia U. ; CERN) ; Vandelli, W (CERN)
The ATLAS experiment observes proton-proton collisions delivered by the LHC accelerator at a centre of mass energy of 7 TeV with a peak luminosity of ~ 10^33 cm^-2 s^-1 in 2011. [...]
ATL-DAQ-PROC-2011-046. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2487.
A Persistent Back-End for the ATLAS TDAQ On-line Information Service (P-BEAST) / Sicoe, A (CERN) ; Lehmann Miotto, G (CERN) ; Kolos, S (UC, Irvine) ; Magnoni, L (CERN) ; Soloviev, I (UC, Irvine)
This paper describes P-BEAST, a highly scalable, highly available and durable system for archiving monitoring information of the trigger and data acquisition (TDAQ) system of the ATLAS experiment at CERN. [...]
ATL-DAQ-PROC-2011-047. - 2011. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2488.
Triggering on hadronic tau decays: ATLAS meets the challenge. / Scarcella, M (Sydney U.)
Hadronic tau decays play a crucial role in taking Standard Model measurements as well as in the search for physics beyond the Standard Model. [...]
ATL-DAQ-PROC-2011-048. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2489.
Online Particle Detection by Neural Networks Based on Topologic Calorimetry Information / Ciodaro, T (Rio de Janeiro Federal U.) ; Deva, D (Rio de Janeiro Federal U.) ; Damazio, D (Brookhaven Natl. Lab.) ; de Seixas, JM (Rio de Janeiro Federal U.)
This paper presents the last results from the Ringer algorithm, which is based on artificial neural networks for the electron identification at the online filtering system of the ATLAS particle detector, in the context of the LHC experiment at CERN [...]
ATL-DAQ-PROC-2011-049. - 2011. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2490.
The ADAM project: a generic web interface for retrieval and display of ATLAS TDAQ information. / Harwood, A (West England U.) ; Lehmann Miotto, G (CERN) ; Magnoni, L (CERN) ; Vandelli, W (CERN) ; Savu, D (CERN)
This paper describes a new approach to the visualization of stored information about the operation of the ATLAS Trigger and Data Acquisition system. [...]
ATL-DAQ-PROC-2011-050. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2491.
Track Reconstruction and b-Jet Identification for the ATLAS Trigger System / Coccaro, Andrea (Genoa U. ; INFN, Genoa)
A sophisticated trigger system, capable of real-time track reconstruction, is used in the ATLAS experiment to select interesting events in the proton-proton collisions at the Large Hadron Collider at CERN. [...]
arXiv:1112.0180 ; ATL-DAQ-PROC-2011-051. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - ATL-DAQ-PROC-2011-051 (2011-11-30) - Preprint - Preprint
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2492.
Online measurement of LHC beam parameters with the ATLAS High Level Trigger / Strauss, E (SLAC)
We present an online measurement of the LHC beam parameters in ATLAS using the High Level Trigger (HLT). [...]
ATL-DAQ-PROC-2011-052. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2493.
Exotic Searches in Jet Final States with the ATLAS Detector / Gibson, Adam (Toronto U.)
We summarize searches for physics beyond the Standard Model with events containing jets in the final state in pp collision data recorded with the ATLAS detector. [...]
ATL-PHYS-PROC-2011-261. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2494.
Search with the ATLAS detector for new physics with significant missing transverse energy and two isolated leptons / Firmino da Costa, J (DESY)
We present results for searches of new physics in the context of supersymmetry, with a signature of significant missing transverse energy and two isolated leptons with the experiment ATLAS at the LHC. [...]
ATL-PHYS-PROC-2011-262. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2495.
The AAL project: automated monitoring and intelligent analysis for the ATLAS data taking infrastructure / Kazarov, A (CERN) ; Lehmann Miotto, G (CERN) ; Magnoni, L (CERN)
The Trigger and Data Acquisition (TDAQ) system of the ATLAS experiment at CERN is the infrastructure responsible for filtering and transferring ATLAS experimental data from detectors to the mass storage system. [...]
ATL-DAQ-PROC-2011-053. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2496.
Tau Reconstruction, Energy Calibration and Identification at ATLAS / Trottier-McDonald, M (Simon Fraser U.)
Tau leptons play a central role in the LHC physics programme, in particular as an important signature in many Higgs boson and Supersymmetry searches. [...]
ATL-PHYS-PROC-2011-263. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2497.
Performance of the ATLAS Transition Radiation Tracker Readout with High Energy Collisions at the LHC / Wagner, P (Pennsylvania U.)
The ATLAS Transition Radiation Tracker is the outermost of the three subsystems of the ATLAS Inner Detector. [...]
ATL-INDET-PROC-2011-040. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2498.
Measurements of the electron and muon inclusive cross-sections in proton-proton collisions at sqrt{s} = 7 TeV with the ATLAS detector / Backes, M (Geneva U.)
We present the measurements of the differential cross-sections for inclusive electron and muon production in proton-proton collisions at a centre-of-mass energy of $sqrt{s} = $~7~TeV, using $sim$1.4 pb$^{-1}$ of data collected by the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2011-264. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2499.
Higgs Searches With ATLAS / Wiglesworth, C (Queen Mary, U. of London)
The search for the Standard Model Higgs boson with the ATLAS detector at the LHC is reported. [...]
ATL-PHYS-PROC-2011-265. - 2011. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2500.
W+jets in pp collisions at 7 TeV with ATLAS / Zevi Della Porta, G (Harvard U.)
We present measurements of differential and inclusive cross sections of W boson production in association with jets, and jets containing b hadrons. [...]
ATL-PHYS-PROC-2011-266. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2501.
Tau identification using multivariate techniques in ATLAS / "O'Neil, D C (Simon Fraser U.)
Tau leptons play an important role in the physics program of the LHC. [...]
ATL-PHYS-PROC-2011-267. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2502.
Measurement of single and multi-jet cross sections in proton-proton collisions at 7 TeV centre-of-mass energy with ATLAS / Francavilla, P (Pisa U.)
Jets are a spray of collimated particles, foot-print of the dynamics governing the production of quarks and gluons, produced in high energy collisions. [...]
ATL-PHYS-PROC-2011-268. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2503.
ATLAS Detector Data Processing on the Grid / Vaniachine, A V (Argonne)
The ATLAS detector is in the second year of continuous LHC running. [...]
ATL-SOFT-PROC-2011-046. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2504.
Validating the measurement of jet energies with the ATLAS detector using Z + jet events from proton-proton collisions at sqrt(s) = 7 TeV
The energy calibration of jets measured with the ATLAS detector at the LHC is validated in situ using the direct transverse momentum balance p_T^jet/p_T^Z between a jet in the central region of the detector (|eta|<1.2) and a Z boson decaying into an e+e− pair. [...]
ATLAS-CONF-2011-159. - 2011. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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2505.
Radiation Damage Observations in the ATLAS Pixel Detector Using the High Voltage Delivery System / Toms, K
We describe the implementation of radiation damage monitoring using leakage current measurement of the silicon pixel sensors provided by the circuits of the ATLAS Pixel Detector high voltage delivery (HVPP4) system. [...]
ATL-INDET-PROC-2011-041. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2506.
Results on elliptic flow and higher-order flow harmonics in Pb+Pb collisions from the ATLAS detector at the LHC / Derendarz, D (Cracow, INP)
The measurement of elliptic flow and higher-order flow harmonics of charged particles in sqrt{s_{NN}}=2.76 TeV Pb+Pb collisions with the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2011-269. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2507.
Overview of Silicon Pixel Sensor Development for the ATLAS Insertable B-Layer (IBL) / Grinstein, S (ICREA, Barcelona ; Barcelona, IFAE)
The ATLAS Pixel Detector is the innermost part of the ATLAS tracking system and is critical for track and vertex reconstruction. [...]
ATL-INDET-PROC-2011-042. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2508.
A measurement of hard double-partonic interactions in $W \rightarrow l\nu$ + 2 jet events using the ATLAS detector at the LHC
The production of W bosons in association with two jets has been investigated using protonproton collisions at a centre-of-mass energy of $\sqrt{s}$ = 7 TeV. [...]
ATLAS-CONF-2011-160. - 2012. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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2509.
Forward physics results from ATLAS / Brown, G J A (Manchester U.)
The rapidity gap cross section and the dijet with jet veto analyses that were measured at the ATLAS experiment at the LHC are discussed. [...]
ATL-PHYS-PROC-2011-270. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2510.
Simulation of Transition Radiation and Electron Identification Ability of the ATLAS TRT / Klinkby, E B (Bohr Inst. ; RISO Natl. Lab, Denmark)
The Transition Radiation Tracker (TRT) is the outermost tracking detector of the ATLAS experiment. [...]
ATL-INDET-PROC-2011-043. - 2011. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2511.
L1 Track Triggers for ATLAS in the HL-LHC / Lipeles, E (Pennsylvania U.) ; Konstantinidis, N (University Coll. London) ; Newcomer, M (Pennsylvania U.) ; Warren, M (University Coll. London)
The HL-LHC, the planned high luminosity upgrade for the LHC, will increase the collision rate in the ATLAS detector approximately a factor of 5 beyond the luminosity for which the detectors were designed, while also increasing the number of pile-up collisions in each event by a similar factor. [...]
ATL-DAQ-PROC-2011-054. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2512.
Top physics with 0.70- 1.08/fb of pp collisions with the ATLAS detector at the LHC / Cristinziani, M (Bonn U.)
With data collected during the first half of the 2011 pp run of the Large Hadron Collider at √s = 7 TeV, a substantial data sample of high pT triggers, corresponding to an integrated luminosity of 1.08/fb, has been collected by the ATLAS detector. [...]
ATL-PHYS-PROC-2011-271. - 2011. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2513.
Search for the Standard Model Higgs boson in the diphoton decay channel with 4.9 fb-1 of ATLAS data at sqrt(s)=7TeV
This note presents a search for the Standard Model Higgs boson in the diphoton decay channel in proton-proton collisions at a centre-of-mass energy of sqrt(s)=7 TeV using data corresponding to an integrated luminosity of 4.9 fb-1 collected with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2011-161. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2514.
Search for the Standard Model Higgs boson in the decay channel $H \rightarrow ZZ^{(*)} \rightarrow 4\ell$ with 4.8 fb$^{-1}$ of pp collisions at $\sqrt{s} = 7$ TeV
A search for the Standard Model Higgs boson in the decay channel $H\rightarrow ZZ^{(∗)}\rightarrow l+l−l'+l'−$, where $l,l' = e,\mu$, is presented. [...]
ATLAS-CONF-2011-162. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2515.
Combination of Higgs Boson Searches with up to 4.9 fb-1 of pp Collisions Data Taken at a center-of-mass energy of 7 TeV with the ATLAS Experiment at the LHC
A preliminary combination of Standard Model Higgs searches with the ATLAS experiment, in a dataset corresponding to an integrated luminosity of up to 4.9 fb−1 of pp collisions collected at √s = 7 TeV at the LHC, is presented. [...]
ATLAS-CONF-2011-163. - 2011. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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2516.
ATLAS status / Fratina, S (Pennsylvania U.) /for the ATLAS collaboration
The ATLAS detector is a general-purpose particle detector collecting data at the Large Hadron Collider (LHC) in Geneva, Switzerland. This document reports the ATLAS detector performance during 2011 proton-proton collision data-taking..
ATL-PHYS-PROC-2011-272.- Geneva : CERN, 2012 - 4 p. - Published in : Nuovo Cimento C 035 (2012) 7-11 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 4th International Workshop on Top Quark Physics, Sant Feliu de Guixols, Spain, 25 - 30 Sep 2011, pp.7-11
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2517.
W-polarisation and constraints on Wtb-vertex / Castro, N F (Minho U.) /for the ATLAS collaboration
The structure of the $Wtb$-vertex can be tested using single top and $t\bar t$ events collected at the LHC. The measurement of the t-channel single top quark production cross section by the CMS Collaboration was used to constrain the $V_{tb}$ CKM matrix element while the measurement of the helicities of $W$ bosons and angular asymmetries in top quark decays by the ATLAS Collaboration were used to constrain possible new physics contributions to the $Wtb$-vertex..
ATL-PHYS-PROC-2011-273.- Geneva : CERN, 2012 - 4 p. - Published in : Nuovo Cimento C 035 (2012) 131-134 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 4th International Workshop on Top Quark Physics, Sant Feliu de Guixols, Spain, 25 - 30 Sep 2011, pp.131-134
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2518.
Highlights and Searches in ATLAS / Charlton, D (Birmingham U.)
Highlights from ATLAS are reported, focussing primarily on searches for new particles using proton-proton collision data. [...]
ATL-PHYS-PROC-2011-274. - 2011. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2519.
Measurement of top quark charge asymmetry at the LHC using the ATLAS detector / Besana, M I (Milan U. ; INFN, Milan)
The measurement of the charge asymmetry in top quark pair production at the LHC can be an important window on new physics, as in some Beyond Standard Model theories this asymmetry is significantly enhanced with respect to Standard Model prediction. [...]
ATL-PHYS-PROC-2011-275. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2520.
Object ID performance for top physics at the ATLAS detector / Garberson, F (Yale U.) /for the ATLAS collaboration
Various objects that are important for top physics at ATLAS are described. These objects include, jets, electrons, muons, and taus. [...]
ATL-PHYS-PROC-2011-276.- Geneva : CERN, 2012 - 5 p. - Published in : Nuovo Cimento C 035 (2012) 19-23 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 4th International Workshop on Top Quark Physics, Sant Feliu de Guixols, Spain, 25 - 30 Sep 2011, pp.19-23
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2521.
RESULTS FROM THE ATLAS EXPERIMENT AT THE LHC / Sidoti, A (INFN, Rome)
ATLAS is a general purpose detector located at one of the four interaction points of the Large Hadron Collider at the CERN laboratory near Geneva, Switzerland. [...]
ATL-PHYS-PROC-2011-277. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2522.
Searches for rare or BSM top quark decays at the LHC / McCarn, A (Illinois U.)
Recently approved results for rare or beyond Standard Model processes involving top quark decays from ATLAS and CMS observed in collision data from the LHC running with $sqrt s = 7$ TeV are described. [...]
ATL-PHYS-PROC-2011-278. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2523.
Measurement of the single top quark cross section in 0.70/fb of pp Collisions with the ATLAS detector / Alvarez Gonzalez, B (Michigan State U.)
We present the single-top production results carried out with the integrated luminosity collected by the ATLAS detector during the 2011 LHC run..
ATL-PHYS-PROC-2011-279.- Geneva : CERN, 2012 - 4 p. - Published in : Nuovo Cimento C 035 (2012) 201-204 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 4th International Workshop on Top Quark Physics, Sant Feliu de Guixols, Spain, 25 - 30 Sep 2011, pp.201-204
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2524.
Prospects for $t\bar{t} H$ / Allwood-Spiers, S (Glasgow U.)
The search for the Higgs boson is a major focus for the ATLAS and CMS experiments at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2011-280. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2525.
Search for Flavour Changing Neutral Currents in Top Quark Decays in ATLAS / Castro, N F (Minho U.)
The first ATLAS results on the search for flavour changing neutral current (FCNC) processes involving the top quark are presented. [...]
ATL-PHYS-PROC-2011-281. - 2011.
Original Communication (restricted to ATLAS) - Full text
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2526.
Search for the Higgs boson in the $H \to WW \to l\nu jj$ decay channel in $pp$ collisions at $\sqrt{s}$ = 7 TeV with the ATLAS detector / Jana, D (Oklahoma U.)
A search for a Higgs boson has been performed in the $H \to WW \to l\nu jj$ channel using 1.04 $fb^{-1}$ of $pp$ collision data at $\sqrt{s}$ = 7 TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2011-282. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2527.
ATLAS Fast Physics Monitoring / Koeneke, K (CERN)
The ATLAS experiment at the LHC is recording data from proton-proton collisions with 7 TeV center-of-mass energy since spring 2010. [...]
ATL-DAPR-PROC-2011-002. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2528.
Tracking and Level-1 triggering in the forward region of the ATLAS Muon Spectrometer at sLHC / Bittner, B (Munich, Max Planck Inst.) ; Dubbert, J (Munich, Max Planck Inst.) ; Kroha, H (Munich, Max Planck Inst.) ; Richter, R (Munich, Max Planck Inst.) ; Schwegler, P (Munich, Max Planck Inst.) /for the ATLAS collaboration
In the endcap region of the ATLAS Muon Spectrometer (eta>1) precision tracking and Level-1 triggering are performed by different types of chambers. Monitored Drift Tube chambers (MDT) and Cathode Strip Chambers (CSC) are used for precision tracking, while Thin Gap Chambers (TGC) select high-pT muons and form the Level-1 muon trigger. [...]
ATL-UPGRADE-PROC-2011-008.- Geneva : CERN, 2012 - 9 p. - Published in : JINST 7 (2012) C01048 Fulltext: PDF; IOP Open Access article: PDF; External link: Original Communication (restricted to ATLAS)
In : Topical Workshop on Electronics for Particle Physics, Vienna, Austria, 26 - 30 Sep 2011, pp.C01048
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2529.
Soft QCD in ATLAS: measurements and modelling of multi-parton interactions / Buckley, A G (Edinburgh U.)
Soft QCD contributes to all observables at the LHC, due to the presences of underlying event (UE) and pile-up in all events. [...]
ATL-PHYS-PROC-2011-283. - 2011. - 33 p.
Original Communication (restricted to ATLAS) - Full text
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2530.
Search for displaced vertexes arising from decays of new, heavy particles in 7 TeV pp collisions in ATLAS / Brochu, F M (Cambridge U.)
We present the results of a search for neutralinos decaying at a significant distance from their production point into charged hadrons and a high momentum muon, forming displaced vertexes. [...]
arXiv:1201.1742 ; ATL-PHYS-PROC-2011-284. - 2011. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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2531.
Searches for Charged Higgs Bosons in ATLAS / Czodrowski, P (TU, Dresden (main)) /for the ATLAS collaboration
The charged Higgs boson is predicted by many extended Higgs scenarios, such as models containing Higgs triplets and Two-Higgs-Doublet Models (2HDM). The observation of charged Higgs bosons, $H^+$, would indicate physics beyond the Standard Model (SM). [...]
ATL-PHYS-PROC-2011-285.- Geneva : CERN, 2012 - 4 p. - Published in : Nuovo Cimento C 035 (2012) 213-216 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 4th International Workshop on Top Quark Physics, Sant Feliu de Guixols, Spain, 25 - 30 Sep 2011, pp.213-216
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2532.
Measurement of J/$\psi$ , W Boson and Z Boson in Pb–Pb Collisions at ATLAS / Sandstroem, A R (Munich, Max Planck Inst.)
A broad program of measurements using heavy ion collisions is underway in ATLAS, with the aim of studying the properties of QCD matter at high temperatures and densities. [...]
ATL-PHYS-PROC-2011-286. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2533.
Measurement of the top quark charge in the ATLAS experiment / Federic, P (Comenius U.) /for the ATLAS collaboration
A measurement of the top quark charge using the lepton+jets final state resulting from ttbar pair production is presented, using data from the ATLAS detector. The results were obtained using proton-proton collision data at a center-of-mass of 7 TeV corresponding to an integrated luminosity of 0.70 fb-1 . [...]
ATL-PHYS-PROC-2011-287.- Geneva : CERN, 2012 - 4 p. - Published in : Nuovo Cimento C 035 (2012) 217-220 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 4th International Workshop on Top Quark Physics, Sant Feliu de Guixols, Spain, 25 - 30 Sep 2011, pp.217-220
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2534.
TRTViewer: the ATLAS TRT detector monitoring and diagnostics tool / Smirnov, S.Yu. (Moscow Phys. Eng. Inst.) /on behalf of the ATLAS Collaboration
The Transition Radiation Tracker (TRT) is the outermost of the three sub-systems of the ATLAS Inner Detector at the LargeHadron Collider (LHC) at CERN. It is designed to combine the drift tube tracker with transition radiation detector, providing an important contribution to the charged particles precise momentum measurement and particle (mainly electron) identification. [...]
arXiv:1208.0502; CERN-REPORT-NO-ATL-INDET-PROC-2011-044; CERN-REPORT-NO:-ATL-INDET-PROC-2011-044; ATL-INDET-PROC-2011-044.- Geneva : CERN, 2013 - 7 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 706 (2013) 90-92 Fulltext: PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : TRDs for the third Millennium : 4th Workshop on Advanced Transition Radiation Detectors for Accelerator and Space Applications, Bari, Italy, 14 - 26 Sep 2011, pp.90-92
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2535.
Properties of the top quark decays in ATLAS / Ferrari, P (NIKHEF, Amsterdam)
A summary on the most recent results of the ATLAS Collaboration on top quark properties is presented. [...]
ATL-PHYS-PROC-2011-288. - 2011. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2536.
Search for R-parity violating supersymmetry with the ATLAS detector / Jackson, P D (SLAC)
R-parity violation in supersymmetry gives rise to many unique experimental signatures. [...]
ATL-PHYS-PROC-2012-001. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2537.
ATLAS Higgs Searches / Abreu, Henso (Orsay, LAL)
A search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7 TeV is reported, based on a total integrated luminosity of 1.0 to 2.3 fb−1 collected by the ATLAS detector in 2011. [...]
ATL-PHYS-PROC-2012-002. - 2012. - 16 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2538.
ATLAS Jet Energy Scale / Schouten, D. ; Tanasijczuk, A. ; Vetterli, M.
Jets originating from the fragmentation of quarks and gluons are the most common, and complicated, final state objects produced at hadron colliders. [...]
arXiv:1201.2429. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Preprint
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2539.
A Search for Heavy Resonances in the Dilepton Channel / Hayden, D (Royal Holloway, U. of London)
There are many extensions to the standard model of particle physics which predict the addition of a U(1) symmetry, and/or extra spatial dimensions, which give rise to new high mass resonances such as the Z′ and Randall-Sundrum Graviton. [...]
ATL-PHYS-PROC-2012-004. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2540.

Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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2541.
ttbar cross-section measurements at LHC (lepton+jets / all jets) / Nadal, J (Barcelona, IFAE)
The most precise measurements of the top pair production cross- section are described for the single lepton and the fully hadronic channels. [...]
ATL-PHYS-PROC-2012-006. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2542.
Estimation Techniques for Instrumental Backgrounds at the LHC / Sjölin, J (Stockholm U.)
Backgrounds induced by the detector and its environment in high energy hadron collisions are present in all measurements at the LHC, and it can in many cases be significant. [...]
ATL-PHYS-PROC-2012-007. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2543.
The FE-I4 Pixel Readout Chip and the IBL Module / Barbero, M (U. Bonn (main))
FE-I4 is the new ATLAS pixel readout chip for the upgraded ATLAS pixel detector. [...]
ATL-UPGRADE-PROC-2012-001. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2544.
ATLAS Standard Model Results / Jez, P (Bohr Inst.)
The Standard Model results obtained in $sqrt{s} = 7$~TeV proton-proton collisions at the Large Hadron Collider using the ATLAS detector are reviewed. [...]
ATL-PHYS-PROC-2012-008. - 2012. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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2545.
Measurement of the top quark pair production cross section in pp collisions at $sqrt{s}$=7 TeV in $\mu$ + $\tau$ final states with ATLAS / Searcy, J (Oregon U. ; Brookhaven) /for the ATLAS collaboration
A measurement of the cross section of top quark pair production in proton$-$proton collisions at a center-of-mass of 7 TeV at the LHC using events with an isolated $mu$ and a $ au$ lepton decaying hadronically is reported. In addition to a $mu$ and a $ au$ lepton, large missing transverse energy and two or more jets are required [...]
ATL-PHYS-PROC-2012-009.- Geneva : CERN, 2012 - 4 p. - Published in : Nuovo Cimento C 035 (2012) 233-236 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 4th International Workshop on Top Quark Physics, Sant Feliu de Guixols, Spain, 25 - 30 Sep 2011, pp.233-236
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2546.
Alignment of the ATLAS Inner Detector / Wang, J (Taiwan, Inst. Phys.)
In order to reach the track parameter accuracy motivated by the physics goals of the experiment, the ATLAS tracking system needs to determine accurately its almost 700,000 degrees of freedom. [...]
ATL-INDET>-PROC-2012-001. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2547.
Search for extra dimensions in the diphoton final state with ATLAS / Buat, Q (LPSC, Grenoble)
The large difference between the Planck scale and the electroweak scale, known as the hierarchy problem, has been addressed in some models through the existence of extra spatial dimensions. [...]
ATL-PHYS-PROC-2012-010. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2548.
Muon reconstruction efficiency measurement in the ATLAS experiment / Orlando, N (INFN, Lecce)
The measurement of the muon reconstruction efficiency in the ATLAS experiment based on the “tag and probe” method using decay muons from J/ψ and Z resonances is presented. [...]
ATL-PHYS-PROC-2012-011. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2549.
Search for flavor-changing neutral currents in top quark decays at ATLAS / Cortes-Gonzalez, A (Illinois U., Urbana (main))
ATLAS results are presented on a search for flavor-changing neutral currents in top quark decays. [...]
ATL-PHYS-PROC-2012-012. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2550.
Operational experience with the ATLAS Pixel Detector / Ince, T (U. Bonn (main))
The ATLAS Pixel Detector is the innermost element of the ATLAS experiment at the Large Hadron Collider at CERN, providing high-resolution measurements of charged particle tracks in the high radiation environment close to the collision region. [...]
ATL-INDET-PROC-2012-001. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2551.
Measurement of muon momentum resolution of the ATLAS detector / Salvucci, A (Nijmegen U.)
The ATLAS detector has been designed to have good muon momentum resolution up to momenta in the TeV range. [...]
ATL-PHYS-PROC-2012-013. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2552.
SUSY Searches at ATLAS / de Jong, Paul (NIKHEF, Amsterdam)
Recent results of searches for supersymmetry by the ATLAS collaboration in up to 2 fb-1 of sqrt{s} = 7 TeV pp collisions at the LHC are reported..
arXiv:1201.4548 ; ATL-PHYS-PROC-2012-014 ; ATL-PHYS-PROC-2012-014. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Preprint - ATL-PHYS-PROC-2012-014 (20/01/2012) - Full text - Fulltext
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2553.
ATLAS Distributed Computing on the way to the automatic site exclusion / Schovancova, J (Prague, Inst. Phys.)
This paper details the different aspects of ATLAS Distributed Computing experience after the first 1.5 years of LHC data taking. [...]
ATL-SOFT-PROC-2012-001. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2554.
Measurement of the production cross section for $Z/\gamma^{*}$ in association with jets in pp collisions at $\sqrt {s}$ = 7 TeV with the ATLAS Detector / Meoni, Evelin
We present results on the production of jets of particles in association with a $Z/\gamma^*$ boson, in proton-proton collisions at $\sqrt{s} = 7$ TeV with the ATLAS detector at the LHC. [...]
arXiv:1201.4745 ; ATL-PHYS-PROC-2012-015 ; ATL-PHYS-PROC-2012-015. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2012-015 (21/01/2012) - Preprint - Full text - Fulltext - Fulltext
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2555.
Measurement of the b-jet cross-section with associated vector boson production with the ATLAS experiment at the LHC / Gray, Heather M.
A measurement of the cross-section for vector boson production in association with jets containing b-hadrons is presented using 35 pb-1 of data from the LHC collected by the ATLAS experiment in 2010. [...]
arXiv:1201.4976 ; ATL-PHYS-PROC-2012-016 ; ATL-PHYS-PROC-2012-016. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2012-016 (2012-01-22) - Preprint - Fulltext - Full text
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2556.
Silicon strip staves and petals for the ATLAS Upgrade tracker of the HL-LHC / Diez, S (LBNL, Berkeley)
This paper describes the baseline integration structures for the silicon strip sensors to be used in the ATLAS detector for the Phase-II upgrade of the Large Hadron Collider (LHC) machine, the so-called High Luminosity LHC (HL-LHC). [...]
ATL-UPGRADE-PROC-2012-002. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2557.
The ATLAS Semi-Conductor Tracker Operation and Performance / Robinson, D (Cambridge U.)
The Semi-Conductor Tracker (SCT), is a silicon strip detector and one of the key precision tracking devices in the Inner Detector of the ATLAS experiment at the CERN Large Hadron Collider (LHC). [...]
ATL-INDET-PROC-2012-002. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2558.
Search for charged Higgs bosons in ATLAS / Pelikan, Daniel (Uppsala U.)
Charged Higgs bosons are predicted in several extensions of the Standard Model, where the Higgs sector contains more than one doublet of complex scalars, for instance in the Minimal Supersymmetric Standard Model (MSSM). [...]
arXiv:1201.4710 ; ATL-PHYS-PROC-2012-017 ; ATL-PHYS-PROC-2012-017. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text - Fulltext
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2559.
Di-boson results at ATLAS / Giraud, Pierre-Francois (IRFU, Saclay)
Pairs of gauge boson produced in proton-proton collisions at a center-of-mass energy $\sqrt{s}$ of 7 TeV are reconstructed with the ATLAS detector in their leptonic final states. [...]
ATL-PHYS-PROC-2012-018 ; arXiv:1201.4868. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2012-018 (2012-01-23) - Preprint - Full text
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2560.
Single Top Results by ATLAS and CMS / Haefner, Petra (Munich, Max Planck Inst.)
Electroweak production of top quarks, the so-called single top production, is interesting both in the context of measurements of the Standard Model of Particle Physics as well as searches for new phenomena beyond that. [...]
arXiv:1205.1352. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2012-019 (2012-01-24) - Preprint - Full text - Fulltext
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2561.
Heavy flavour results from ATLAS / Bell, Paul (Geneva U.)
A selection of heavy-flavour physics results from the ATLAS experiment is presented, based on data collected in proton-proton collisions at the LHC during 2010. [...]
arXiv:1201.4933. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - ATL-COM-PHYS-2011-1701 - Preprint - Full text - Fulltext
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2562.
Track-Based Alignment of the Inner Detector of ATLAS / Ovcharova, Ana (LBL, Berkeley)
ATLAS is a multipurpose experiment at the LHC. [...]
arXiv:1201.4961. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - ATL-INDET-PROC-2012-003 (2012-01-24) - Preprint - Fulltext - Fulltext - Full text
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2563.
Hard QCD Results with jets at the LHC / Menke, Sven (Munich, Max Planck Inst.)
Hard QCD results in proton-proton collisions at sqrt(s) = 7 TeV with jets from data recorded up to the end of 2010 by the CMS and ATLAS experiments at the LHC are reported. [...]
arXiv:1201.4978 ; ATL-PHYS-PROC-2012-021. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2012-021 (2012-01-26) - Preprint - Full text
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2564.
Overview of the ATLAS Insertable B-Layer (IBL) Project / Grinstein, S (Barcelona, IFAE ; ICREA, Barcelona)
The upgrades for the ATLAS Pixel Detector will be staged in preparation for high luminosity LHC. [...]
ATL-INDET-PROC-2012-004. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2565.
Search for supersymmetry in events with four or more leptons and missing transverse momentum in pp collisions at $\sqrt{s}=7$ TeV with the ATLAS detector
The results of a search for supersymmetric particles in final states with four or more leptons (electrons or muons) and missing transverse momentum with the ATLAS detector are presented. [...]
ATLAS-CONF-2012-001. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2566.
Search for single top quark production through FCNC at ATLAS experiment / Alhroob, M (Bonn U.)
Flavour changing neutral currents (FCNC) are strongly suppressed in the Standard Model (SM). [...]
ATL-PHYS-PROC-2012-022. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2567.
Supersymmetry and Beyond Standard Model Higgs searches at ATLAS / Igonkina, Olga (NIKHEF, Amsterdam)
The searches for supersymmetric and beyond Standard Model Higgs boson with the ATLAS detector are presented. [...]
arXiv:1201.5886 ; ATL-PHYS-PROC-2012-023. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2012-023 (2012-01-25) - Preprint - Full text - Fulltext - Fulltext
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2568.
ATLAS Exotic Searches / Bousson, Nicolas (Marseille, CPPM)
Thanks to the outstanding performance of the Large Hadron Collider (LHC) that delivered more than 2 fb^-1 of proton-proton collision data at center-of-mass energy of 7 TeV, the ATLAS experiment has been able to explore a wide range of exotic models trying to address the questions unanswered by the Standard Model of particle physics. [...]
ATL-PHYS-PROC-2012-024 ; arXiv:1201.5256. - 2012. - 4 p, 4 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2012-024 (2012-01-25) - Preprint
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2569.
Tau Lepton Reconstruction and Identification at ATLAS / Friedrich, Felix (Dresden, Tech. U., ITP)
Tau leptons play an important role in the physics program at the LHC. [...]
ATL-PHYS-PROC-2012-025 ; arXiv:1201.5466. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2012-025 (2012-01-25) - Preprint
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2570.
ATLAS Upgrade for the HL-LHC: meeting the challenges of a five-fold increase in collision rate / Vankov, Peter (DESY)
With the LHC successfully collecting data at 7 TeV, plans are actively advancing for a series of upgrades leading eventually to about five times the LHC design-luminosity some 10-years from now in the High-Luminosity LHC (HL-LHC) project. [...]
arXiv:1201.5469 ; ATL-UPGRADE-PROC-2012-003 ; ATL-UPGRADE-PROC-2012-003. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - ATL-UPGRADE-PROC-2012-003 (2012-01-25) - Preprint - Full text - Fulltext
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2571.
Development of an ATCA IPMI controller mezzanine board to be used in the ATCA developments for the ATLAS Liquid Argon upgrade / Letendre, N (Annecy, LAPP)
In the context of the LHC upgrade, we develop a new Read Out Driver (ROD) for the ATLAS Liquid Argon (LAr) community. [...]
ATL-LARG-PROC-2012-001. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2572.
Triggering On Hadronic Tau Decays: A challenge met by ATLAS / Morgenstern, M (Dresden, Tech. U., ITP)
The ATLAS experiment at the Large Hadron Collider (LHC) has taken plenty of data in 2011. [...]
ATL-DAQ-PROC-2012-001. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2573.
Refined reconstruction and calibration of the missing transverse energy in the ATLAS detector / Testa, M (Frascati)
The measurement of the missing transverse energy (\etmiss) is fundamental for many analyses at LHC. [...]
ATL-PHYS-PROC-2012-026. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2574.
A Measurement of the ATLAS Di-Muon Trigger Efficiency in Proton-Proton Collision at $\sqrt{s} = 7$TeV / Picazio, A (Geneva U.)
The B physics program of the ATLAS experiment includes the study of the production cross sections, the searches for rare b decay signatures which are sensitive to new physics at the TeV energy scale and the measurement of CP violation effects in B-events, such as $B_{s}^{0}ightarrow J/psi phi$ and $B_{d}^{0} ightarrow J/psi K_{s}^{0}$. [...]
ATL-DAQ-PROC-2012-002. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2575.
Measurements of single top-quark production at the LHC / Wagner, W (Bergische U., Wuppertal (main))
This article summarizes the status of measurements of single top-quark production at the LHC operating at a center-of-mass energy of 7 TeV. [...]
ATL-PHYS-PROC-2012-027. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2576.
A search for ttbar resonances in the dilepton channel in 1.04/fb of pp collisions at sqrt(s) = 7 TeV. / Swedish, S (TRIUMF ; British Columbia U.)
The first ATLAS result on a search for a high mass top pair resonance at the LHC in the subset of events where both W bosons from the top decays decay to either a final state electron or muon is presented. [...]
ATL-PHYS-PROC-2012-028. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2577.
Top-Quark Physics Results From LHC / Fiorini, Luca (Valencia U., IFIC ; Valencia U.)
The top-quark is a fundamental element of the physics program at the Large Hadron Collider (LHC). [...]
arXiv:1201.5844 ; ATL-PHYS-PROC-2012-029. - Hamburg : DESY, 2013. - 8 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2012-029 (2012-01-27) - Preprint - Full text - Fulltext
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2578.
The ATLAS Tile Calorimeter performance at LHC in pp collisions at 7 TeV / Bertolucci, F (Pisa U. ; INFN, Pisa)
The Tile Calorimeter (TileCal), the central section of the % hadronic calorimeter of the ATLAS % experiment, is a key detector component % to detect hadrons, jets and taus and to % measure the missing transverse energy [...]
ATL-TILECAL-PROC-2012-001. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2579.
Search for the Standard Model Higgs boson decaying to a b-quark pair with ATLAS / Palma, A (Lisbon U. ; LIP, Lisbon)
Summary of the first ATLAS direct search for the Standard Model Higgs boson, in the mass range 110 &lt; mH &lt; 130 GeV, when produced in association with a W/Z boson and decaying to a pair of $b$-quarks. [...]
ATL-PHYS-PROC-2012-030. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2580.
Search for new phenomena in events with a monojet and large missing transverse momentum at the LHC using the ATLAS detector / Martinez, M (ICREA, Barcelona)
We report preliminary results on a search for new phenomena in an event sample with monojets and large missing transverse momentum in the final state. [...]
ATL-PHYS-PROC-2012-031. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2581.
High Mass Resonances at ATLAS / Fedorko, Wojciech
A brief overview of searches for high mass resonances using a subset of data collected by the ATLAS experiment during the 2011 LHC run is presented. [...]
arXiv:1202.0727 ; ATL-PHYS-PROC-2012-032. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2012-032 (2012-02-02) - Preprint - Fulltext - Full text - Fulltext
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2582.
Minimum Bias and Underlying Event Measurements with ATLAS / Leyton, Michael (CERN)
A summary of some of the recent minimum bias and underlying event measurements by the ATLAS collaboration is given. [...]
arXiv:1202.2090 ; DESY-PROC-2012-03 ; ATL-PHYS-PROC-2012-033. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Fulltext - Preprint - Full text - Fulltext
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2583.
The ATLAS Monte Carlo tuning system / Wahrmund, S (Dresden, Tech. U.)
The ATLAS experiment moved the tuning of the underlying event and minimum bias event shape modeling, previously done in a manual fashion, to the automated Professor tuning tool, employed in connection with the Rivet analysis framework, when the first corresponding experimental analysis from LHC became available. [...]
ATL-PHYS-PROC-2012-034. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2584.
Search for 1st-Generation Leptoquarks Using the ATLAS Detector / Stupak III, John (SUNY, Stony Brook)
A model independent search for the pair-production of scalar leptoquarks in 1fb−1 of 7 TeV ATLAS data is presented. [...]
arXiv:1202.1369. - 2012-06-06. - 3 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2012-035 (2012-02-07) - Preprint - Full text - Fulltext - Fulltext
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2585.
Search for Standard Model Higgs boson in the two-photon final state in ATLAS / Davignon, Olivier
We report on the search for the Standard Model Higgs boson decaying into two photons based on proton-proton collision data with a center-of-mass energy of 7 TeV recorded by the ATLAS experiment at the LHC. [...]
arXiv:1202.1636. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2012-036 (2012-02-07) - Preprint - Full text - Fulltext - Fulltext
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2586.
Measurement of hard double-partonic interactions in $W \to l\nu$ + 2 jet events using the ATLAS detector at the LHC / Dobson, E (CERN)
The production of W bosons in association with two jets has been investigated using proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=7$ TeV. [...]
ATL-PHYS-PROC-2012-037. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2587.
ATLAS MPI tunes with various PDFs / Kar, Deepak (CERN)
The latest development in ATLAS MC generator tunings will be discussed. [...]
ATL-PHYS-PROC-2012-038. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2588.
Search for Events with Large Missing Transverse Momentum, Jets, and at Least Two Tau Leptons in 7 TeV Proton-Proton Collision Data with the ATLAS Detector
A search for events with large missing transverse momentum, jets, and at least two taus has been performed using 2 fb−1 of proton-proton collision data at $\sqrt{s}$ = 7 TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2012-002. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2589.
Supersymmetry Searches at ATLAS / Fehling-Kaschek, M (Fribourg U.)
Searches for Supersymmetry with the ATLAS dectector are presented for integrated luminosities up to 2~fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=7$~TeV. [...]
ATL-PHYS-PROC-2012-039. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2590.
Advances in Service and Operations for ATLAS Data Management / Stewart, G A (CERN) ; Garonne, V (CERN) ; Lassnig, M (CERN) ; Molfetas, A (CERN) ; Baristis, M (CERN) ; Zhang, D (Beijing, Inst. High Energy Phys.) ; Calvet, I (CERN) ; Beermann, T (CERN) ; Barreiro Megino, F (CERN) ; Tykhonov, A (Stefan Inst., Ljubljana) et al.
ATLAS has recorded almost 5PB of RAW data since the LHC started running at the end of 2009. [...]
ATL-SOFT-PROC-2012-002. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2591.
Exotic Searches in ATLAS / Vranjes, Nenad (Belgrade, Inst. Phys.)
We report on the latest searches for (non-SUSY) Beyond Standard Model phenomena performed with the ATLAS detector. [...]
arXiv:1202.3171 ; ATL-PHYS-PROC-2012-040. - 2014. - 17 p.
Proceedings of Science Server - Full text - Fulltext - Fulltext - Full text
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2592.
Search for supersymmetry in pp collisions at sqr(s)=7 TeV in final states with missing transverse momentum and b-jets with the ATLAS detector
The results of a search for supersymmetry in events with large missing transverse momentum and heavy flavour jets using an integrated luminosity corresponding to 2.05 fb-1 of pp collisions at sqrt(s)=7 TeV recorded with the ATLAS detector are reported. [...]
ATLAS-CONF-2012-003. - 2012. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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2593.
Search for gluinos in events with two same-sign leptons, jets and missing transverse momentum with the ATLAS detector in $pp$ collisions at $\sqrt{s}=$7~TeV
A search for gluinos using events with two same-sign leptons, jets and missing transverse momentum is presented. [...]
ATLAS-CONF-2012-004. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2594.
Search for supersymmetry with jets, missing transverse momentum and one or more tau leptons in proton-proton collisions at sqrt{s}=7 Tev with the ATLAS detector
A search for production of supersymmetric particles in final states containing jets, missing transverse momentum, and one or more tau leptons is presented. [...]
ATLAS-CONF-2012-005. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2595.
ATLAS Higgs Searches / Andari, N (Orsay, LAL)
A combined search for the Standard Model Higgs boson with the ATLAS experiment at LHC using datasets corresponding to integrated luminosities from 1.0 to 2.3 fb-1 of pp collision at sqrt{s}=7 TeV is presented. [...]
ATL-PHYS-PROC-2012-041. - 2012. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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2596.
B-physics studies with the ATLAS detector / Nomidis, I (Thessaloniki U.)
Measuring heavy flavour production at LHC provides an opportunity for a new insight into QCD and extensive tests at the new energy regime of 7 TeV at center-of-mass energy. [...]
ATL-PHYS-PROC-2012-042. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2597.
Radiation Damage Monitoring in the ATLAS Pixel Detector / Seidel, S (New Mexico U.)
We describe the implementation of radiation damage monitoring using measurement of leakage current in the ATLAS silicon pixel sensors. [...]
ATL-INDET-PROC-2012-005. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2598.
Operational Experience with the ATLAS Pixel Detector at the LHC / Lapoire, C (Bonn U.)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN, providing high-resolution measurements of charged particle tracks in the high radiation environment close to the collision region. [...]
ATL-INDET-PROC-2012-006. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2599.
Triggering on hadronic tau decays in ATLAS: semiconductor tracking detectors in action / Cuenca Almenar, C (Yale U.)
Hadronic tau decays play a crucial role in taking Standard Model measurements as well as in the search for physics beyond the Standard Model. [...]
ATL-DAQ-PROC-2012-003. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2600.
Searches for phenomena beyond the Standard Model at the LHC with the ATLAS and CMS detectors / Bachacou, Henri (IRFU, SPP, Saclay)
The LHC has delivered several fb-1 of data in spring and summer 2011, opening new windows of opportunity for discovering phenomena beyond the Standard Model. [...]
ATL-PHYS-PROC-2012-043 ; arXiv:1203.2069. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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2601.
Identification and reconstruction of electrons and photons with the ATLAS detector at the LHC. / Gallo, V (Bern U., LHEP)
Measurement of electron and photon identification and reconstruction performances with the ATLAS detector at the Large Hadron Collider (LHC) are reported. [...]
ATL-PHYS-PROC-2012-044. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2602.
Top Quark Physics at the LHC / Di Sipio, R (Bologna U.)
In this contribution we shall present the results about the physics of the top quark by CERN’s ATLAS and CMS experiments. [...]
ATL-PHYS-PROC-2012-045. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2603.
Top quark physics results in ATLAS / Besana, M I (INFN, Milan ; Milan U.)
Top quark physics is one of the milestones of the physics program of the ATLAS experiment at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2012-046. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2604.
Search for Higgs to WW (lnulnu,lnuqq) / Strandberg, Jonas (Royal Inst. Tech., Stockholm)
A Higgs boson search in the hwwlnln ($ell=e,mu$) decay mode, using lumi fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of 7 TeV collected with the ATLAS detector, is presented. [...]
ATL-PHYS-PROC-2012-047. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2605.
$t\bar{t}$ spin correlation at the LHC / Schwanenberger, C (Manchester U.)
The ATLAS collaboration has performed a study of spin correlation in ttbar production from proton-proton collisions at the Large Hadron Collier (LHC) at a centre-of-mass energy of 7 TeV using 0.70 fb-1 of data. [...]
ATL-PHYS-PROC-2012-048. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2606.
Z -> tau tau cross section measurement in proton-proton collisions at 7 TeV with the ATLAS experiment
The Z->tautau cross section is measured with the ATLAS experiment at the LHC in three different final states determined by the decay modes of the $\tau$ leptons. [...]
ATLAS-CONF-2012-006. - 2012. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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2607.
Irradiation and beam tests qualification for ATLAS IBL Pixel Modules / Rubinskiy, Igor (DESY)
The upgrade for the ATLAS detector will have different steps towards HL-LHC. [...]
ATL-INDET-PROC-2012-007 ; AIDA-CONF-2015-041. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2608.
Search for high–mass dilepton resonances with 5 fb−1 of pp collisions at sqrt(s) = 7 TeV with the ATLAS experiment
This note reports on a search for narrow high-mass resonances decaying into dilepton final states. [...]
ATLAS-CONF-2012-007. - 2012. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2609.
Search for excited electrons and muons with 5/fb of proton–proton collisions at √s = 7 TeV with the ATLAS detector
The ATLAS detector is used to search for excited leptons in the electromagnetic radiative decay channel l∗ → lγ. [...]
ATLAS-CONF-2012-008. - 2012. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2610.
Measurement of Tau Polarization in $\boldmath{\Wtaunu}$ Decays with the ATLAS Detector in pp Collisions at $\sqrt{s}~=~7~\TeV$
In this paper, the measurement of tau polarization in hadronic tau decays is presented. [...]
ATLAS-CONF-2012-009. - 2012. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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2611.
Search for the decay B0s to mu+mu- with the ATLAS detector
A blind search for the decay B0s→ μ+μ− has been performed using proton-proton colli- sions at a center-of-mass energy of 7 TeV recorded with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2012-010. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2612.
Search for charged Higgs bosons decaying via H+ -> tau nu in ttbar events using 4.6 fb−1 of pp collision data at sqrt(s) = 7 TeV with the ATLAS detector
The results of a search for charged Higgs bosons are presented. [...]
ATLAS-CONF-2012-011. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2613.
Search for the Standard Model Higgs boson in the H → WW → ℓνℓν decay mode with 4.7 fb−1 of ATLAS data at sqrt(s) = 7 TeV
A Higgs boson search in the H→WW<sup>(*)</sup>→lnulnu decay mode has been performed using 4.7 fb-1 of proton-proton collisions at a centre-of-mass energy of 7 TeV collected in 2011 with the ATLAS detector. [...]
ATLAS-CONF-2012-012. - 2012. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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2614.
Search for a fermiophobic Higgs boson in the diphoton decay channel with 4.9/fb of ATLAS data at sqrt(s)= 7 TeV
A search for a fermiophobic Higgs boson using diphoton events produced in proton-proton collisions at a centre-of-mass energy of sqrt{s} = 7 TeV is performed using data corresponding to an integrated luminosity of 4.9/fb collected by the ATLAS experiment. [...]
ATLAS-CONF-2012-013. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2615.
Search for the Standard Model Higgs boson in the H-> tau^+ tau^- decay mode with 4.7 fb^-1 of ATLAS data at 7 TeV
A Higgs boson search in the H-&gt; tau^+ tau^- decay mode has been performed using 4.7 fb^-1 of proton-proton collisions at a centre-of-mass energy of 7~TeV collected during 2011 with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2012-014. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2616.
Search for the Standard Model Higgs boson produced in association with a vector boson and decaying to a b-quark pair using up to 4.7 fb−1 of pp collision data at √s = 7 TeV with the ATLAS detector at the LHC
This paper presents the results of an ATLAS direct search for a Standard Model Higgs boson of mass 110 < mH < 130 GeV produced in association with a W or Z boson and decaying to bb ̄. [...]
ATLAS-CONF-2012-015. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2617.
Search for a Standard Model Higgs in the H->ZZ->llvv decay channel with 4.7 fb$^{-1}$ with the ATLAS detector
A search for a heavy Standard Model Higgs~boson decaying via htollvv, where $ell=e,mu$, is presented. [...]
ATLAS-CONF-2012-016. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2618.
Search for a Standard Model Higgs in the mass range 200-600 GeV in the channel $H\rightarrow ZZ\rightarrow llqq$ with with the ATLAS detector
A search for a heavy Standard Model Higgs~boson decaying via H->ZZ->llqq, where l=e or mu, is presented. [...]
ATLAS-CONF-2012-017. - 2012. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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2619.
Search for the Higgs boson in the H->WW->lvjj decay channel using 4.7 fb-1 of pp collisions at sqrt{s} = 7 TeV with the ATLAS detector
A search for the Standard Model (SM) Higgs boson has been performed in the $H\rightarrow WW\rightarrow\ell\nu jj$ channel in 4.7 ${\rm fb}^{-1}$ of $pp$ collision data at $\sqrt{s} = 7~{\rm TeV}$ recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2012-018. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2620.
An update to the combined search for the Standard Model Higgs boson with the ATLAS detector at the LHC using up to 4.9 fb−1 of pp collision data at √s = 7 TeV
A preliminary combination of Standard Model Higgs boson searches with the ATLAS experiment, in a dataset corresponding to an integrated luminosity of 4.6 to 4.9 fb−1 of pp collision data collected at √s = 7 TeV at the LHC, is presented. [...]
ATLAS-CONF-2012-019. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2621.
Selection of jets produced in proton-proton collisions with the ATLAS detector using 2011 data
Quality criteria for the selection of reconstructed jets in the ATLAS detector are described. [...]
ATLAS-CONF-2012-020. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2622.
Measurement of high mass dijet production in $pp$ collisions at $sqrt{s}=7$~TeV using the ATLAS detector
Dijet cross section measurements are presented as functions of the dijet invariant mass, $m_{12}$, and half the absolute rapidity difference of the two leading jets, $y^*$. [...]
ATLAS-CONF-2012-021. - 2012. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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2623.
Search for charged long-lived heavy particles with the ATLAS Experiment at the LHC
Several theories extending the Standard Model predict charged and heavy long-lived particles (LLP). [...]
ATLAS-CONF-2012-022. - 2012. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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2624.
Search for supersymmetry in events with three leptons and missing transverse momentum in √s = 7 TeV pp collisions with the ATLAS detector
This document presents a search for the production of supersymmetric particles decaying into final states with three electrons or muons and missing transverse momentum. [...]
ATLAS-CONF-2012-023. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2625.
Statistical combination of top quark pair production cross-section measurements using dilepton, single-lepton, and all-hadronic final states at √s = 7 TeV with the ATLAS detector
We present a combination of top quark pair production cross-section measurements performed using dilepton and single-lepton final states with 0.70 fb−1 of data and all-hadronic final states with 1.02 fb−1 of data collected by ATLAS. [...]
ATLAS-CONF-2012-024. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2626.
Measurement of the W+W- Production Cross Section in Proton-Proton Collisions at sqrt(s) = 7 TeV with the ATLAS Detector
This note reports on a measurement of the W+W− production cross section in pp collisions at sqrt(s) = 7 TeV. [...]
ATLAS-CONF-2012-025. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2627.
Measurement of the total ZZ production cross section in the four-lepton channel with 4.7 fb^-1 of ATLAS data
The ZZ production cross section is measured by the ATLAS experiment using the four-lepton decay channel, where the term lepton is used for electrons and muons. [...]
ATLAS-CONF-2012-026. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2628.
Measurement of the ZZ production cross section in the llvv channel in proton-proton collisions at sqrt(s)=7 TeV with the ATLAS detector
A measurement of the ZZ production cross section in proton-proton collisions at sqrt(s) = 7 TeV using data collected by the ATLAS experiment at the Large Hadron Collider is presented. [...]
ATLAS-CONF-2012-027. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2629.
Observation of the $B^{\pm}_c$ meson in the decay $B^{\pm}_c\to J/\psi(\mu^+\mu^-)\pi^{\pm}$ with the ATLAS detector at the LHC
The production of $B^{\pm}_c$ mesons is observed with the ATLAS detector at the LHC through their decay into $J/\psi(\mu^+\mu^-)\pi^{\pm}$, using 4.3 fb$^{-1}$ of data from 7 TeV $pp$ collisions. [...]
ATLAS-CONF-2012-028. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2630.
A Search for $t\bar{t}$ Resonances in the Lepton Plus Jets Channel using 2.05 fb$^{-1}$ of $pp$ Collisions at $\sqrt{s} = 7$ TeV
A search for top quark pair ($t\bar{t}$) resonances in the lepton plus jets final states has been performed with the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2012-029. - 2012. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2631.
Determination of the Top Quark Mass with a Template Method in the All Hadronic Decay Channel using 2.04/fb of ATLAS DATA
This note presents a measurement of the the top-quark mass from the all-hadronic ttbar decay channel using 2.04fb^-1 of ATLAS data. [...]
ATLAS-CONF-2012-030. - 2012. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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2632.
Measurement of the $t\bar{t}$ production cross section in the all-hadronic channel in ATLAS with $\sqrt s =7$ TeV data
A measurement of the $t\bar{t}$ production cross section in the all-hadronic channel is presented. [...]
ATLAS-CONF-2012-031. - 2012. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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2633.
Measurement of the $t\bar{t}$ production cross section in the final state with a hadronically decaying tau lepton and jets using the ATLAS detector
This document presents a measurement of the top quark pair ($t\bar{t}$) production cross section in the final state with a hadronically decaying tau lepton and jets. [...]
ATLAS-CONF-2012-032. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2634.
Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in √s = 7 TeV proton-proton collisions
A search for squarks and gluinos in final states containing jets, missing transverse mo- mentum and no high-pT electrons or muons is presented. [...]
ATLAS-CONF-2012-033. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2635.
Search for long-lived charginos in anomaly-mediated supersymmetry breaking scenarios with the ATLAS detector using 4.7 fb-1 data of pp collisions at sort(s) = 7 TeV
In anomaly-mediated supersymmetry breaking (AMSB) scenarios, a lightest chargino is predicted to have a lifetime long enough to be detected in collider experiments. [...]
ATLAS-CONF-2012-034. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2636.
Constraining R-parity violating Minimal Supergravity with stau_1 LSP in a four lepton final state with missing transverse momentum
This note describes an interpretation of a search for supersymmetry in final states with at least four isolated leptons (electrons or muons) and missing transverse momentum. [...]
ATLAS-CONF-2012-035. - 2012. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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2637.
Search for Scalar Top Quark Pair Production in Natural Gauge Mediated Supersymmetry Models with the ATLAS Detector in $pp$ Collisions at $\sqrt{s}=$~7~TeV
The results of a search for pair production of the lighter scalar partners of top quarks ($\tone$) in 2.05 fb-1 of $pp$ collisions at $\sqrt{s}=7$~TeV using the ATLAS experiment are reported. [...]
ATLAS-CONF-2012-036. - 2012. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2638.
Hunt for new phenomena using large jet multiplicities and missing transverse momentum with ATLAS in L = 4.7 fb−1 of sqrt(s) = 7 TeV proton-proton collisions
Results are presented of a search for new particle(s) decaying to large numbers of jets in association with missing transverse momentum, using 4.7 fb^-1 of pp collision data at sqrt(s) = 7 TeV collected by the ATLAS experiment in 2011. [...]
ATLAS-CONF-2012-037. - 2012. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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2639.
Search for New Physics in Dijet Mass and Angular Distributions using 4.8/fb of pp Collisions at sqrt(s) = 7 TeV collected by the ATLAS Detector
Mass and angular distributions of jet pairs (dijets) produced in LHC proton-proton (pp) collisions at a center-of-mass energy sqrt(s) = 7 TeV have been studied with the ATLAS detector using the full 2011 data set with an integrated luminosity of 4.8/fb. [...]
ATLAS-CONF-2012-038. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2640.
ATLAS Distributed Computing Operations in the First Two Years of Data Taking / Ueda, I (Tokyo U., ICEPP)
The ATLAS experiment has had two years of steady data taking in 2010 and 2011. [...]
ATL-SOFT-PROC-2012-003. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2641.
Electroweak Physics in ATLAS / Griffiths, J
Many precision electroweak measurements have been made with the ATLAS detector in proton-proton $(pp)$ collisions produced by the LHC at ${sqrt{s}=7 TeV}$ in 2010 and 2011. [...]
ATL-PHYS-PROC-2012-049. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2642.
Evolution of the ATLAS data and computing model for a Tier2 in the EGI infrastructure / Fernández Casaní, A (Valencia U., IFIC) ; Villaplana Pérez, M (Valencia U., IFIC) ; González de la Hoz, S (Valencia U., IFIC) ; Salt Cairols, J (Valencia U., IFIC) ; Fassi, F (Valencia U., IFIC) ; Kaci, M (Valencia U., IFIC) ; Lamas, A (Valencia U., IFIC) ; Oliver, E (Valencia U., IFIC) ; Sánchez, J (Valencia U., IFIC) ; Sánchez, V (Valencia U., IFIC)
Since the start of the LHC pp collisions in 2010, the ATLAS computing model has moved from a more strict design, where every Tier2 had a liaison and a network dependence from a Tier1, to a more meshed approach where every cloud could be connected. [...]
ATL-SOFT-PROC-2012-004. - 2012. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2643.
Two-particle correlations in p-p and Pb-Pb collisions with the ATLAS detector at the LHC / Kwee, R (Humboldt U., Berlin (main) ; CERN)
An overview of two angular correlation analyses with the ATLAS detector at the LHC are presented. [...]
ATL-PHYS-PROC-2012-050. - 2011. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2644.
$b$-jet tagging calibration on $c$-jets containing $D^{*+}$ mesons
The $b$-jet tagging efficiency on jets containing charm hadrons ($c$-jets) has been measured using a sample of $D^{*+}$ mesons, reconstructed within a jet in the $D^{*+}\rightarrow D^0(\rightarrow K^- \pi^+)\pi^+$ final state. [...]
ATLAS-CONF-2012-039. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2645.
Measurement of the Mistag Rate with 5 fb$^{−1}$ of Data Collected by the ATLAS Detector
The mistag rates of several b-tagging algorithms have been measured with two complementary methods using data from the ATLAS detector. [...]
ATLAS-CONF-2012-040. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2646.
Performance of the ATLAS Inner Detector Track and Vertex Reconstruction in the High Pile-Up LHC Environment
The performance of the ATLAS inner detector in a high occupancy environment of approximately 30 inelastic proton-proton interactions per bunch crossing is presented. [...]
ATLAS-CONF-2012-042. - 2012. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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2647.
Measurement of the b-tag Efficiency in a Sample of Jets Containing Muons with 5 fb−1 of Data from the ATLAS Detector
The efficiency of several $b$-tagging algorithms has been measured with two methods using data from the ATLAS detector. [...]
ATLAS-CONF-2012-043. - 2012. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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2648.
Searches for New Physics at ATLAS / Vickey Boeriu, OE (Witwatersrand U.)
Recent results on new phenomena searches are presented using pp collisions collected by the ATLAS de- tector at the Large Hadron Collider (LHC) at a center-of-mass energy √s=7 TeV. [...]
ATL-PHYS-PROC-2012-051. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2649.
The RPC-based proposal for the ATLAS forward muon trigger upgrade in view of super-LHC / Zhu, Junjie (Michigan U.)
The innermost station of the present ATLAS forward muon detector needs to be upgraded for the super-LHC. [...]
arXiv:1210.6728 ; ATL-MUON-PROC-2012-001 ; ATL-COM-MUON-2012-010 ; ATL-MUON-PROC-2012-001. - 2012. - 6 p.
Proceedings of Science Server - Fulltext - Full text - Full text - Full text - Published version from PoS
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2650.
ATLAS measurements of the properties of jets for boosted particle searches
Measurements are presented of the properties of high transverse momentum jets, produced in proton-proton collisions at a center-of-mass energy of √s = 7 TeV, for an integrated luminosity of 35 pb−1 collected with the ATLAS detector in 2010. [...]
ATLAS-CONF-2012-044. - 2012. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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2651.
Standard Model and Heavy Ion Results from ATLAS / Searcy, J
The general purpose ATLAS detector, at the LHC, is an ideal instrument for testing the predictions of the Standard Model in $p-p$ and $Pb-Pb$ collisions. [...]
ATL-PHYS-PROC-2012-052. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2652.
ATLAS RPC time-of-flight performance / chiodini, g (INFN, Lecce) ; orlando, n (INFN, Lecce ; Salento U.) ; spagnolo, s (INFN Lecce ; Salento U.)
We show that RPC time resolution for proton-proton collisions at sqrt(s) = 7 TeV with data recorded by the ATLAS detector in 2011 at LHC is about the expected one taking into account the intrinsic time resolution of a 2-mm thick RPC in avalanche mode, digitization error, time walk, and electronic noise. [...]
ATL-MUON-PROC-2012-002. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2653.
Physics with Tau Lepton Final States in ATLAS / Trottier-McDonald, M (Simon Fraser U.)
Physics involving tau lepton signatures form an integral part of the ATLAS physics programme. [...]
ATL-PHYS-PROC-2012-053. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2654.
Recent ATLAS Results / Wessels, M (Kirchhoff Inst. Phys.)
These proceedings review recent results of the ATLAS experiment at the Large Hadron collider LHC, using datasets corresponding to integrated luminosities of up to 4.9 fb-1. [...]
ATL-PHYS-PROC-2012-054. - 2012. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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2655.
Search for physics beyond the Standard Model at ATLAS and CMS / Adams, DL (Brookhaven)
Data taken in 2011 with the ATLAS and CMS detectors at the LHC have been used to search for physics beyond the Standard Model. Results are presented based on up to 5~ifb of sqrt(s) = 7 TeV proton-proton collisions. [...]
ATL-PHYS-PROC-2012-055.- Geneva : CERN, 2012 - 8 p. Fulltext: ATL-PHYS-PROC-2012-055 - PDF; Pages_from_C12-03-03_177 - PDF; External link: Original Communication (restricted to ATLAS)
In : 47th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 3 - 10 Mar 2012, pp.177
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2656.
Transverse energy fluctuations in Pb+Pb collisions at $\sqrt{s_{NN}}$=2.76 TeV with the ATLAS detector at the LHC
A study of calorimeter energy fluctuations in Pb+Pb collisions and their dependence on centrality is presented, using an integrated luminosity of 240 mb^{−1} of Pb+Pb collisions at √s_{NN} = 2.76 TeV collected by the ATLAS detector in 2010. [...]
ATLAS-CONF-2012-045. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2657.
Measurements of Jet Production in pp Collisions with the ATLAS Detector / Yurkewicz, A (Northern Illinois U.)
Differential jet cross sections are measured in inclusive jet, dijet, and multijet events at a center-of-mass energy of 7 TeV using information from the ATLAS calorimeters and tracking detectors. [...]
ATL-PHYS-PROC-2012-056. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2658.
Search for R-hadrons at the ATLAS experiment at the LHC / Joergensen, Morten Dam (Bohr Inst.) /on behalf of the ATLAS collaboration
The latest search for stable hadronising particles with the ATLAS detector is presented. The search in conducted with the inner detector subsystems and an integrated luminosity corresponding to $2.06 \ \mathrm{fb}^{-1}$ at $\sqrt{s} = 7$ TeV. [...]
arXiv:1204.4748; ATL-PHYS-PROC-2012-057.- Geneva : CERN, 2012 - 4 p. - Published in : (2012) , pp. 491-494 ATL-PHYS-PROC-2012-057 (2012-04-20): PDF; Fulltext: arXiv:1204.4748 - PDF; Pages_from_C12-03-03_491 - PDF; 1204.4748 - PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 47th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 3 - 10 Mar 2012, pp.491
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2659.
CONSTRAINTS ON THE PROTON PARTON DISTRIBUTION FUNCTIONS FROM THE LARGE HADRON COLLIDER / Sutton, M R (Sussex U.)
Recent results on cross sections sensitive to the parton distribution functions (PDFs) within the proton from the ATLAS and CMS Collaborations are presented. [...]
ATL-PHYS-PROC-2012-058. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2660.
A Needle in the Haystack: Higgs Boson searches in the ATLAS Experiment / Olszewski, A (Cracow, INP) ; Wolter, M (Cracow, INP)
A preliminary combination of Standard Model Higgs searches with the ATLAS experiment, in a dataset collected at energy sqrt{s} = 7 TeV at the LHC in year 2011, is presented. [...]
ATL-SOFT-PROC-2012-005. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2661.
Example of shared ATLAS Tier2 and Tier3 facilities / Gonzalez de la Hoz, S (Valencia U., IFIC) ; Villaplana, M (Valencia U., IFIC) ; Kemp, Y (DESY) ; Wolters, H (LIP, Coimbra) ; Severini, H (Oklahoma State U.) ; Bhimji, W (Edinburgh U.)
The ATLAS computing and data models have moved/are moving away from the strict MONARC model (hierarchy) to a mesh model. [...]
ATL-SOFT-PROC-2012-006. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2662.
Improving ATLAS grid site reliability with functional tests using HammerCloud / Legger, F (Munich U.)
With the exponential growth of LHC (Large Hadron Collider) data in 2011, and more coming in 2012, distributed computing has become the established way to analyse collider data. [...]
ATL-SOFT-PROC-2012-007. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2663.
TAG Based Skimming in ATLAS / Doherty, T (Glasgow U.) ; Cranshaw, J (Argonne) ; Hrivnac, J (Orsay, LAL) ; Slater, M (Birmingham U.) ; Nowak, M (Brookhaven) ; Quilty, D (Glasgow U.) ; Zhang, Q (Argonne)
The ATLAS detector at the LHC takes data at 200-500 Hz for several months per year accumulating billions of events for hundreds of physics analyses. [...]
ATL-SOFT-PROC-2012-008. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2664.
Distributed Data Analysis in the ATLAS Experiment: Challenges and Solutions / Elmsheuser, J (LMU Munich) ; van der Ster, D (CERN)
The ATLAS experiment at the LHC at CERN is recording and simulating several 10's of PetaBytes of data per year. [...]
ATL-SOFT-PROC-2012-009. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2665.
The evolving role of Tier2s in ATLAS with the new Computing and Data Distribution model / Gonzalez de la Hoz, S (Valencia U., IFIC)
Originally the ATLAS computing model assumed that the Tier2s of each of the 10 clouds should keep on disk collectively at least one copy of all "active" AOD and DPD datasets. [...]
ATL-SOFT-PROC-2012-010. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - JPCS article
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2666.
Evolution of the ATLAS PanDA Production and Distributed Analysis System / Maeno, T (Brookhaven) ; De, K (Texas U., Arlington) ; Wenaus, T (Brookhaven) ; Nilsson, P (Texas U., Arlington) ; Walker, R (LMU Munich (main)) ; Stradling, A (Texas U., Arlington) ; Fine, V (Brookhaven) ; Potekhin, M (Brookhaven) ; Panitkin, S (Brookhaven) ; Compostella, G (Munich, Max Planck Inst.)
The PanDA (Production and Distributed Analysis) system has been developed to meet ATLAS production and analysis requirements for a data-driven workload management system capable of operating at LHC data processing scale. [...]
ATL-SOFT-PROC-2012-011. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2667.
Development of noSQL data storage for the ATLAS PanDA Monitoring System / Ito, H (Brookhaven) ; Potekhin, M (Brookhaven) ; Wenaus, T (Brookhaven)
For several years the PanDA Workload Management System has been the basis for distributed production and analysis for the ATLAS experiment at the LHC. [...]
ATL-SOFT-PROC-2012-012. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2668.
Experience of using the Chirp distributed file system in ATLAS / Walker, R (Munich U.) ; Paul Nilsson (Texas U., Arlington)
Chirp is a user-level file system specifically designed for the wide area network, and developed by the University of Notre Dame CCL group. [...]
ATL-SOFT-PROC-2012-013. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2669.
I/O Strategies for Multicore Processing in ATLAS / van Gemmeren, P (Argonne) ; Binet, S (Orsay, LAL) ; Calafiura, P (LBNL, Berkeley) ; Lavrijsen, W (LBNL, Berkeley) ; Malon, D (Argonne) ; Tsulaia, V (LBNL, Berkeley)
A critical component of any multicore/manycore application architecture is the handling of input and output. [...]
ATL-SOFT-PROC-2012-014. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2670.
ATLAS Distributed Computing Shift Operation in the first 2 full years of LHC data taking / Schovancová, J (Prague, Inst. Phys.) ; Di Girolamo, A (CERN) ; Elmsheuser, J (Munich U.) ; Jézéquel, S (Annecy, LAPP) ; Negri, G (CERN) ; Ozturk, N (Texas U., Arlington) ; Sakamoto, H (Tokyo U., ICEPP) ; Slater, M (Birmingham U.) ; Smirnov, Y (Brookhaven) ; Ueda, I (Tokyo U., ICEPP) et al.
ATLAS Distributed Computing organized 3 teams to support data processing at Tier-0 facility at CERN, data reprocessing, data management operations, Monte Carlo simulation production, and physics analysis at the ATLAS computing centers located world-wide. [...]
ATL-SOFT-PROC-2012-015. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2671.
PD2P : PanDA Dynamic Data Placement for ATLAS / Maeno, T (Brookhaven) ; De, K (Texas U., Arlington) ; Panitkin, S (Brookhaven)
The PanDA (Production and Distributed Analysis) system plays a key role in the ATLAS distributed computing infrastructure. [...]
ATL-SOFT-PROC-2012-016. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2672.
ATLAS Tier-3 within IFIC-Valencia analysis facility / Villaplana, M (Valencia U., IFIC) ; González de la Hoz, S (Valencia U., IFIC) ; Fernández, A (Valencia U., IFIC) ; Salt, J (Valencia U., IFIC) ; Lamas, A (Valencia U., IFIC) ; Fassi, F (Valencia U., IFIC) ; Kaci, M (Valencia U., IFIC) ; Oliver, E (Valencia U., IFIC) ; Sánchez, J (Valencia U., IFIC) ; Sánchez-Martínez, V (Valencia U., IFIC)
The ATLAS Tier-3 at IFIC-Valencia is attached to a Tier-2 that has 50% of the Spanish Federated Tier-2 resources. [...]
ATL-SOFT-PROC-2012-017. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2673.
ATLAS Heavy Ion results / Shulga, E (Moscow Phys. Eng. Inst.)
Large Hadron Collider provides a wide research program with heavy ion collisions with aim of studying the properties of medium matter at extreme temperatures and densities. [...]
ATL-PHYS-PROC-2012-059. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2674.
ATLAS computing activities and developments in the Italian Grid cloud / Rinaldi, L (INFN, CNAF ; INFN, Bologna) ; Annovi, A (Frascati) ; Antonelli, M (Frascati) ; Barberis, D (INFN, Genoa ; Genoa U.) ; Barberis, S (INFN, Milan ; Milan U.) ; Brunengo, A (INFN, Genoa ; Genoa U.) ; Campana, S (CERN) ; Capone, V (INFN, Naples ; Naples U.) ; Carlino, G (INFN, Naples ; Naples U.) ; Carminati, L (INFN, Milan ; Milan U.) et al.
The large amount of data produced by the ATLAS experiment needs new computing paradigms for data processing and analysis, involving many computing centres spread around the world. [...]
ATL-SOFT-PROC-2012-018. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2675.
Studies of Jet Shapes and Substructure with the ATLAS Experiment / Davison, A R (University Coll. London)
The internal structure of jets produced in proton-proton collisions at 7 TeV centre-of-mass energy provides a direct test of QCD which is largely orthogonal to other measurements of jets. [...]
ATL-PHYS-PROC-2012-060. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2676.
Searches for third generation SUSY in ATLAS / Marzin, A (Oklahoma State U.)
Recent results of searches for third generation supersymmetry by the ATLAS collaboration with 2.05 fb-1 of sqrt(s) = 7 TeV pp collisions recorded with the LHC in 2011 are reported. [...]
ATL-PHYS-PROC-2012-061. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2677.
Search for physics beyond the Standard Model in events with a $Z$ boson and large missing transverse momentum using $\sqrt{s}=7$ TeV $pp$ collisions from the LHC with the ATLAS detector
This note presents a search for supersymmetry in the final state defined by a $Z$ boson which decays to a pair of muons or electrons in association with missing transverse momentum using the ATLAS detector. [...]
ATLAS-CONF-2012-046. - 2012. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2678.
Simulating the ATLAS Distributed Data Management System / Barisits, M (CERN) ; Garonne, V (CERN) ; Lassnig, M (CERN) ; Molfetas, M (CERN)
The ATLAS Distributed Data Management system organizes more than 90PB of physics data across more than 100 sites globally. [...]
ATL-SOFT-PROC-2012-019. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - JPCS article
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2679.
The ATLAS ROOT-based data formats: recent improvements and performance measurements / Bhimji, W (Edinburgh U.) ; Cranshaw, J (Argonne) ; van Gemmeren, P (Argonne) ; Malon, D (Argonne) ; Schaffer, R D (Orsay, LAL) ; Vukotic, I (Chicago U.)
We detail recent changes to ROOT-based I/O within the ATLAS experiment. [...]
ATL-SOFT-PROC-2012-020. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2680.
ATLAS File and Dataset Metadata Collection and Use / Albrand, S (LPSC, Grenoble) ; Fulachier, J (LPSC, Grenoble) ; Lambert, F (LPSC, Grenoble) ; Gallas, E J (Oxford U.)
The ATLAS Metadata Interface (“AMI”) was designed as a generic cataloguing system, and as such it has found many uses in the experiment including software release management, tracking of reconstructed event sizes and control of dataset nomenclature. [...]
ATL-SOFT-PROC-2012-021. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2681.
A Probabilistic Analysis of Data Popularity in ATLAS Data Caching / Tito, M (Texas U., Arlington) ; Záruba, G (Texas U., Arlington) ; Klimentov, A (Brookhaven) ; De, K (Texas U., Arlington)
One of the most important aspects in any distribution system is efficient data replication over storage / computing centers, that guarantees high data availability and low cost of resources utilization. [...]
ATL-SOFT-PROC-2012-022. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2682.
Toolkit for data reduction to tuples for the ATLAS experiment / Snyder, S (Brookhaven) ; Krasznahorkay, A (New York U. (main))
The final step in a HEP data-processing chain is usually to reduce the data to a `tuple' form which can be efficiently read by interactive analysis tools such as ROOT. [...]
ATL-SOFT-PROC-2012-023. - 2012. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2683.
ATLAS DQ2 Deletion Service / OLEYNIK, D (Dubna, JINR) ; PETROSYAN, A (Dubna, JINR) ; GARONNE, V (Dubna, JINR) ; CAMPANA, S (Dubna, JINR)
The ATLAS Distributed Data Management project DQ2 is responsible for the replication, access and bookkeeping of ATLAS data across more than 100 distributed grid sites. [...]
ATL-SOFT-PROC-2012-024. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2684.
Performance of the ATLAS Reconstruction Software with high level of Pileup in 2011 / Seuster, Rolf (Munich, Max Planck Inst.)
In 2011 the LHC provided excellent data, the integrated luminosity of about 5fb-1 was more than what was expected. [...]
ATL-SOFT-PROC-2012-025. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2685.
ATLAS Distributed Computing Operations: Experience and improvements after 2 full years of data-taking / Jézéquel, S (Annecy, LAPP) ; Stewart, G (CERN)
This paper summarizes operational experience and improvements in ATLAS computing infrastructure in 2010 and 2011. [...]
ATL-SOFT-PROC-2012-026. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2686.
Top Quark Pair Production at $sqrt{s}=$ 7 TeV / Aracena, I (SLAC)
With the successful $pp$ run at $sqrt{s}=$~7~TeV of the Large Hadron Collider in 2010-2011, thousands of top-quark pair events have been recorded by the ATLAS and CMS experiments. This has allowed the measurement of the top-quark pair production cross section in a variety of final states and with unprecedented precision. [...]
ATL-PHYS-PROC-2012-062.- Geneva : CERN, 2012 - 4 p. Fulltext: Pages_from_C12-03-10_203 - PDF; ATL-PHYS-PROC-2012-062 - PDF; External link: Original Communication (restricted to ATLAS)
In : 47th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 10 - 17 Mar 2012, pp.203
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2687.
b-tagging calibration using $t\bar{t}$events with the ATLAS experiment / Leyko, A (Bonn U.)
Results of b-tagging calibration measured in 35 pb^{−1} of data collected by the ATLAS detector from the Large Hadron Collider pp collisions at sqrt{s} = 7 TeV in 2010 are presented. Two different approaches, using jets containing muons and jets originating from top quark pair event candidates are discussed. [...]
ATL-PHYS-PROC-2012-063.- Geneva : CERN, 2012 - 4 p. Fulltext: ATL-PHYS-PROC-2012-063 - PDF; Pages_from_C12-03-03_503 - PDF; External link: Original Communication (restricted to ATLAS)
In : 47th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 3 - 10 Mar 2012, pp.503
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2688.
Search for New Physics with leptons/jets at ATLAS / Policicchio, A (INFN, Cosenza)
Data taken in 2011 with the ATLAS detector at the Large Hadron Collider (LHC) have been used to search for physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2012-064. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2689.
Evolving ATLAS Computing For Today’s Networks / Campana, S (CERN) ; Barreiro Megino, F (CERN) ; Jezequel, S (Annecy, LAPP) ; Negri, G (CERN) ; Serfon, C (LMU Munich (main)) ; Ueda, I (Tokyo U., ICEPP)
The ATLAS computing infrastructure was designed many years ago based on the assumption of rather limited network connectivity between computing centres. [...]
ATL-SOFT-PROC-2012-027. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2690.
Latest B physics results from ATLAS / Kirk, J (Rutherford)
B physics results from the ATLAS detector at the LHC are presented using data collected during 2010 and 2011. [...]
ATL-PHYS-PROC-2012-065. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published version from Frascati
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2691.
ATLAS Distributed Computing Monitoring tools after full 2 years of LHC data taking / Schovancová, J (Prague, Inst. Phys.)
This paper details variety of Monitoring tools used within the ATLAS Distributed Computing during the first 2 years of LHC data taking. [...]
ATL-SOFT-PROC-2012-028. - 2012. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2692.
Multi-core job submission and grid resource scheduling for ATLAS AthenaMP / Crooks, D (Edinburgh U.) ; Calafiura, P (LBNL, Berkeley) ; Harrington, R (Edinburgh U.) ; Purdie, S (Edinburgh U.) ; Severini, H (Oklahoma U.) ; Skipsey, S (Glasgow U.) ; Tsulaia, V (LBNL, Berkeley) ; Washbrook, A (Edinburgh U.)
AthenaMP is the multi-core implementation of the ATLAS software framework and allows the efficient sharing of memory pages between multiple threads of execution. [...]
ATL-SOFT-PROC-2012-029. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2693.
Electrical results of double-sided silicon strip modules for the ATLAS Upgrade Strip Tracker / Gonzalez-Sevilla, S (Geneva U.) ; Barbier, G (Geneva U.) ; Cadoux, F (Geneva U.) ; Clark, A (Geneva U.) ; Ferrere, D (Geneva U.) ; Ikegami, Y (KEK, Tsukuba) ; Hara, K (Tsukuba U. (main)) ; La Marra, D (Geneva U.) ; Pelleriti, G (Geneva U.) ; Pohl, M (Geneva U.) et al.
A double-sided silicon strip module has been designed for the short-strip barrel region of the future ATLAS inner tracker for the High Luminosity LHC. [...]
ATL-UPGRADE-PUB-2012-002. - 2012. - 51 p.
Original Communication (restricted to ATLAS) - Full text
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2694.
The search for the Standard Model Higgs boson decaying to a pair of W bosons in the fully leptonic final state by ATLAS / Kunkle, J (Penn State U.)
A search for the Higgs boson decaying to a pair of W bosons is performed in the fully leptonic final state with the ATLAS experiment at the LHC. The full 2011 dataset comprising 4.7 fb$^{-1}$ of data is used. [...]
ATL-PHYS-PROC-2012-066.- Geneva : CERN, 2012 - 4 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 47th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 3 - 10 Mar 2012, pp.515
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2695.
Software installation and condition data distribution via CernVM FileSystem in ATLAS / De Salvo, A (INFN, Roma1) ; De Silva, A (TRIUMF) ; Benjamin, D (Duke U.) ; Blomer, J (CERN) ; Buncic, P (CERN) ; Harutyunyan, H (CERN) ; Undrus, A (Brookhaven) ; Yao, Y (LBNL, Bereckley)
The ATLAS Collaboration is managing one of the largest collections of software among the High Energy Physics Experiments. [...]
ATL-SOFT-PROC-2012-030. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2696.
ATLAS software packaging / Rybkin, G (Orsay, LAL)
Software packaging is indispensable part of build and prerequisite for deployment processes. [...]
ATL-SOFT-PROC-2012-031. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2697.
Searches for the Standard Model Higgs Boson with the ATLAS Detector / Bernhard, R (Freiburg U.) /for the ATLAS collaboration
The most recent results for searches for the Standard Model Higgs boson at a center-of-mass energy of $\sqrt{s}=$7 TeV using 4.9~\infb\ of data collected with the ATLAS detector at CERNs Large Hadron Collider are presented..
ATL-PHYS-PROC-2012-067; arXiv:1205.4629.- Geneva : CERN, 2012 Fulltext: PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 47th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 10 - 17 Mar 2012, pp.17
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2698.
Performance of the ATLAS trigger system / Casadei, D (New York U. (main))
The ATLAS trigger has been used very successfully to collect collision data during 2009-2011 LHC running at centre of mass energies between 900 GeV and 7 TeV. [...]
ATL-DAQ-PROC-2012-004. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2699.
Hard Probes in Pb-Pb Collisions at ATLAS / Grabowska-Bold, I (AGH-UST, Cracow)
The heavy-ion program at the Large Hadron Collider has been commenced in November 2010 by three experiments including ATLAS, a multipurpose detector. That device was originally constructed to study high-energy proton-proton collisions but now it also proves to be an excellent tool for studying nuclear interactions. [...]
ATL-PHYS-PROC-2012-068.- Geneva : CERN, 2012 - 4 p. Fulltext: ATL-PHYS-PROC-2012-068 - PDF; Pages_from_C12-03-10_273 - PDF; External link: Original Communication (restricted to ATLAS)
In : 47th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 10 - 17 Mar 2012, pp.273-276
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2700.
A programmatic view of metadata, metadata services, and metadata flow in ATLAS / Malon, D (Aragonne) ; Albrand, S (LPSC, Grenoble) ; Gallas, E (Oxford U.) ; Stewart, G (CERN)
The volume and diversity of metadata in an experiment of the size and scope of ATLAS are considerable. [...]
ATL-SOFT-PROC-2012-032. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2701.
Enabling data analysis à la PROOF on the Italian ATLAS Tier2's using PoD / Ganis, G (Cern) ; Annovi, A (Frascati) ; Antonelli, M (Frascati) ; Carlino, G (INFN, Naples) ; De Salvo, A (INFN, Roma1) ; Di Nardo, R (Frascati) ; Doria, A (INFN, Naples) ; Manafov, A (Darmstadt, GSI) ; Martini, A (Frascati) ; Testa, M (Frascati) et al.
We describe our experience using PROOF for data analysis on the Italian ATLAS-Tier2 in Frascati, Napoli and Roma1. [...]
ATL-SOFT-PROC-2012-033. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2702.
Heavy Flavour Measurements in ATLAS and CMS / Schieck, J (LMU Munich (main))
We present heavy flavour measurements performed by the ATLAS and CMS collaboration with data produced at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2012-069. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2703.
Monitoring of computing resource utilization of the ATLAS experiment / Rousseau, D (Orsay, LAL) ; Dimitrov, G (CERN) ; Vukotic, I (Chicago U., CISES) ; Aidel, O (Lyon, IPN) ; Schaffer, RD (Orsay, LAL) ; Albrand, S (LPSC, Grenoble)
Due to the good performance of the LHC accelerator, the ATLAS experiment has seen higher than anticipated levels for both the event rate and the average number of interactions per bunch crossing. [...]
ATL-SOFT-PROC-2012-034. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2704.
The ATLAS DDM Tracer monitoring framework / ZANG, D (Beijing, Inst. High Energy Phys.) ; GARONNE, V (CERN) ; BARISITS, M (CERN) ; LASSNIG, M (CERN) ; Andrew STEWART, G (CERN) ; MOLFETAS, A (CERN) ; BEERMANN, T (CERN)
The DDM Tracer Service is aimed to trace and monitor the atlas file operations on the Worldwide LHC Computing Grid. [...]
ATL-SOFT-PROC-2012-035. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2705.
Improved electron reconstruction in ATLAS using the Gaussian Sum Filter-based model for bremsstrahlung
The behavior of high-energy electrons in the ATLAS Inner Detector is dominated by radiative energy losses (bremsstrahlung)as they traverse matter. [...]
ATLAS-CONF-2012-047. - 2012. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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2706.
ATLAS Offline Data Quality System Upgrade / Farrell, Steve (UC, Irvine)
The ATLAS data quality software infrastructure provides tools for prompt investigation of and feedback on collected data and propagation of these results to analysis users. [...]
ATL-SOFT-PROC-2012-036. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2707.
Searches for Beyond the Standard Model Higgs Bosons at ATLAS / Warsinsky, M (Freiburg U.)
Searches for beyond the Standard Model Higgs bosons with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2012-070. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published version from Frascati
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2708.
Searches for Resonances at the LHC / Moyse, E J W (Massachusetts U., North Dartmouth)
Data taken in 2011 with the ATLAS and CMS detectors at the LHC have been used to search for resonances. Results are presented based on up to 5 fb−1 of sqrt(s) = 7 TeV proton-proton collisions in final states which include dileptons, diphotons, dijets, jets+photons, dibosons, MET+charged lepton and tt. [...]
ATL-PHYS-PROC-2012-071.- Geneva : CERN, 2012 - 4 p. Fulltext: Pages_from_C12-03-10_95 - PDF; ATL-PHYS-PROC-2012-071 - PDF; External link: Original Communication (restricted to ATLAS)
In : 47th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 10 - 17 Mar 2012, pp.95-98
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2709.
Evolution of the ATLAS Nightly Build System / Undrus, A (Brookhaven)
The ATLAS Nightly Build System is a major component in the ATLAS collaborative software organization, validation, and code approval scheme. [...]
ATL-SOFT-PROC-2012-037. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2710.
ATLAS database application enhancements using Oracle 11g / Dimitrov, G (CERN) ; Canali, L (CERN) ; Blaszczyk, M (CERN) ; Sorokoletov, R (Texas U., Arlington)
The ATLAS experiment at LHC relies on databases for detector online data-taking, storage and retrieval of configurations, calibrations and alignments, post data-taking analysis, file management over the grid, job submission and management, condition data replication to remote sites. [...]
ATL-SOFT-PROC-2012-038. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2711.
ATLAS job monitoring in the Dashboard Framework / Sargsyan, L (NAS Armenia, Yerevan) ; Andreeva, J (CERN) ; Campana, S (CERN) ; Karavakis, E (CERN) ; Kokoszkiewicz, L (CERN) ; Saiz, P (CERN) ; Schovancova, J (Prague, Inst. Phys.) ; Tuckett, D (CERN)
Monitoring of the large-scale data processing of the ATLAS experiment includes monitoring of production and user analysis jobs. [...]
ATL-SOFT-PROC-2012-039. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2712.
Conditions and configuration metadata for the ATLAS experiment / Gallas, E J (Oxford U.) ; Albrand, S (LPSC, Grenoble) ; Fulachier, J (LPSC, Grenoble) ; Lambert, F (LPSC, Grenoble) ; Pachal, K E (Oxford U.) ; Tseng, J C L (Oxford U.) ; Zhang, Q (Argonne)
In the ATLAS experiment, a system called COMA (Conditions/Configuration Metadata for ATLAS), has been developed to make globally important run-level metadata more readily accessible. [...]
ATL-SOFT-PROC-2012-040. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2713.
Recent Improvements in the ATLAS PanDA Pilot / Nilsson, P (Texas U., Arlington) ; Caballero Bejar, J (Brookhaven) ; Contreras, C (Santa Maria U.) ; Compostella, G (Munich, Max Planck Inst.) ; De, K (Texas U., Arlington) ; Potekhin, M (Brookhaven) ; Dos Santos, T (Bergische U.) ; Maeno, T (Brookhaven) ; Wenaus, T (Brookhaven)
The Production and Distributed Analysis system (PanDA) in the ATLAS experiment uses pilots to execute submitted jobs on the worker nodes. [...]
ATL-SOFT-PROC-2012-041. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2714.
ATLAS Grid Data Processing: system evolution and scalability / Golubkov, D (Serpukhov, IHEP ; CERN) ; Kersevan, B (Stefan Inst., Ljubljana) ; Klimentov, A (Brookhaven) ; Minaenko, A (Serpukhov, IHEP) ; Nevski, P (Brookhaven) ; Vaniachine, A (Argonne) ; Walker, R (Munich U.)
The production system for Grid Data Processing handles petascale ATLAS data reprocessing and Monte Carlo activities. [...]
ATL-SOFT-PROC-2012-042. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2715.
Integration of Globus Online with the ATLAS PanDA Workload Management System / Contreras, C (Santa Maria U., Valparaiso) ; Deng, W (Brookhaven) ; Maeno, T (Brookhaven) ; Nilsson, P (Texas U., Arlington) ; Potekhin, M (Brookhaven)
The PanDA Workload Management System is the basis for distributed production and analysis for the ATLAS experiment at the LHC. [...]
ATL-SOFT-PROC-2012-043. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2716.
Exploiting Virtualization and Cloud Computing in ATLAS / Barreiro Megino, FH (CERN) ; Benjamin, D (Duke U.) ; De, K (Texas U., Arlington) ; Gable, I (Victoria U.) ; Hendrix, V (LBNL, Berkeley) ; Panitkin, S (Brookhaven) ; Paterson, M (Victoria U.) ; De Silva, A (TRIUMF) ; van der Ster, D (CERN) ; Taylor, R (Victoria U.) et al.
The ATLAS Computing Model was designed around the concept of grid computing; since the start of data-taking, this model has proven very successful in the federated operation of more than one hundred Worldwide LHC Computing Grid (WLCG) sites for offline data distribution, storage, processing and analysis. [...]
ATL-SOFT-PROC-2012-044. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2717.
Performance of the ATLAS Electron and Photon Trigger in p-p Collisions at sqrt{s} = 7 TeV in 2011
Electron and photon triggers are used for signal selection in a wide variety of ATLAS physics analyses. [...]
ATLAS-CONF-2012-048. - 2012. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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2718.
Upgrade and integration of the configuration and monitoring tools for the ATLAS Online farm / Ballestrero, S (Johannesburg U. ; CERN) ; Brasolin, F (INFN, Bologna) ; Darlea, G L (Bucharest, Polytechnic Inst. ; CERN) ; Dumitru, I (Bucharest, Polytechnic Inst.) ; Scannicchio, DA (UC, Irvine) ; Twomey, M S (Washington U. ; CERN) ; Valsan, M L (CERN) ; Zaytsev, A (Novosibirsk, IYF)
The ATLAS Online farm is a non-homogeneous cluster of nearly 3000 PCs which run the data acquisition, trigger and control of the ATLAS detector. [...]
ATL-DAQ-PROC-2012-005. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2719.
GPU-Based Tracking Algorithms for the ATLAS High-Level Trigger / Emeliyanov, D (Rutherford) ; Howard, J (Oxford U.)
Results on the performance and viability of data-parallel algorithms on Graphics Processing Units (GPUs) in the ATLAS Level 2 trigger system are presented. [...]
ATL-DAQ-PROC-2012-006. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2720.
AutoPyFactory: A Scalable Flexible Pilot Factory Implementation / Caballero, J (Brookhaven) ; Hover, J (Brookhaven) ; Love, P (Lancaster U.) ; Stewart, G (CERN)
The ATLAS experiment at the CERN LHC is one of the largest users of grid computing infrastructure, which is a central part of the experiment’s computing operations. [...]
ATL-SOFT-PROC-2012-045. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2721.
Application of rule-based data mining techniques to real time ATLAS Grid job monitoring data / Ahrens, R (Koln, Fachhochschule ; Bergische U.) ; Harenberg, T (Bergische U.) ; Kalinin, S (Bergische U.) ; Maettig, P (Bergische U.) ; Sandhoff, M (Bergische U.) ; dos Santos, T (Bergische U.) ; Volkmer, F (Bergische U.)
The Job Execution Monitor (JEM) is a job-centric grid job monitoring software developed at the University of Wuppertal and integrated into the pilot-based “PanDA” job brokerage system leveraging physics analysis and Monte Carlo event production for the ATLAS experiment on the Worldwide LHC Computing Grid (WLCG). [...]
ATL-SOFT-PROC-2012-046. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2722.
A Study of ATLAS Grid Performance for Distributed Analysis / Panitkin, S (Brookhaven) ; Fayn, V (Brookhaven) ; Wenaus, T (Brookhaven)
In the past two years the ATLAS Collaboration at the LHC has collected a large volume of data and published a number of ground breaking papers. [...]
ATL-SOFT-PROC-2012-047. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2723.
Automating ATLAS Computing Operations using the Site Status Board / for the ATLAS collaboration
The automation of operations is essential to reduce manpower costs and improve the reliability of the system. [...]
ATL-SOFT-PROC-2012-048 ; ATL-COM-SOFT-2012-070 ; arXiv:1301.0101 ; ATL-SOFT-PROC-2012-048. - 2012. - 6 p.
Fulltext - 00000 The workflow of the ATLAS SSB framework. - 00001 The automatic exclusion and recovery framework workflow. - Full text - Full text
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2724.
Measurement of W/Z production with the ATLAS detector / Sauvan, JB (Orsay, LAL)
The production of W and Z bosons at the LHC has been measured with the ATLAS detector. [...]
ATL-PHYS-PROC-2012-072. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2725.
Search for Supersymmetry at ATLAS / Bruneliere, R (Freiburg U.)
Recent results of searches for supersymmetry by the ATLAS collaboration in up to $4.7 fb^{-1}$ of $sqrt{s} = 7$ TeV pp collisions recorded with the LHC in 2011 are reported. [...]
ATL-PHYS-PROC-2012-073. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from Frascati
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2726.
High-performance scalable Information Service for the ATLAS experiment / Kolos, S (UC, Irvine) ; Boutsioukis, G (Aristotle U., Thessaloniki) ; Hauser, R (Michigan State U., East Lansing (main))
The ATLAS experiment is being operated by highly distributed computing system which is constantly producing a lot of status information which is used to monitor the experiment operational conditions as well as to access the quality of the physics data being taken. [...]
ATL-DAQ-PROC-2012-007. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2727.
Advanced Alignment of the ATLAS Inner Detector / Stahlman, JM (Penn State U.)
The primary goal of the ATLAS Inner Detector (ID) is to accurately measure the trajectories of charged particles in the high particle density environment of the Large Hadron Collider (LHC) collisions. [...]
ATL-INDET-PROC-2012-008. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2728.
Determining the Jet Energy Scale Uncertainty in the ATLAS detector / Kogan, L A (Oxford U.)
Using jets from proton-proton collisions at a centre of mass energy of s = 7 TeV measured with the ATLAS detector at the LHC the Jet Energy Scale and its systematic uncertainty have been determined. [...]
ATL-PHYS-PROC-2012-074. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2729.
Measurement of reaction plane correlations in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}$=2.76 TeV
A measurement of correlations between reaction-plane angles $\Phi_n$ for harmonic number $n$ in azimuth is presented as a function of centrality for Pb-Pb collisions at $\sqrt{s_{_{\mathrm{NN}}}}=2.76$ TeV, recorded by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2012-049. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2730.
Measurement of the centrality dependence of open heavy flavour production in lead-lead collisions at sqrts = 2.76 TeV with the ATLAS detector
Measurements of heavy quark production and suppression in ultra-relativistic nuclear collisions probe the interactions of heavy quarks with the hot, dense medium created in the collisions. [...]
ATLAS-CONF-2012-050. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2731.
Single Top Physics with ATLAS / zur Nedden, M (Humboldt U., Berlin (main))
The measurement of singe top production opens up a wide field for tests of the Standard Model and searches for phenomena beyond. In contrast to the top-pair production, top quarks are produced in electro-weak interactions. [...]
ATL-PHYS-PROC-2012-075.- Geneva : CERN, 2012 - 6 p. Fulltext: Pages_from_C12-03-03_283 - PDF; ATL-PHYS-PROC-2012-075 - PDF; External link: Original Communication (restricted to ATLAS)
In : 47th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 3 - 10 Mar 2012, pp.283
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2732.
Measurement of high-pT isolated prompt photons in lead-lead collisions at sqrt(s_NN) = 2.76 TeV with the ATLAS detector at the LHC
Prompt photons are a powerful tool in heavy ion collisions. [...]
ATLAS-CONF-2012-051. - 2012. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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2733.
Measurement of the Z boson Production in Lead-Lead Collisions at sqrt(s_NN)=2.76 TeV with the ATLAS Detector
The ATLAS experiment has observed 1995 Z boson candidates with 0.15 nb−1 of integrated luminosity obtained in the 2011 LHC Pb+Pb run at sqrt(s_NN)=2.76 TeV. [...]
ATLAS-CONF-2012-052. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2734.
Performance and Operation of the ATLAS Resistive Plate Chambers Detector in 2011 / Polini, A (INFN, Bologna)
Resistive Plate Chambers provide the barrel region of the ATLAS detector with an independent muon trigger and a two-coordinate measurement [...]
ATL-MUON-PROC-2012-003. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2735.
QCD results using jets and photons in ATLAS / Lopez Mateos, D (Harvard U.)
Measurements of jet and photon production performed with data collected during 2010 with the ATLAS detector at the LHC are surveyed. [...]
ATL-PHYS-PROC-2012-076. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published version from Frascati
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2736.
W/Z + jets and W/Z + heavy flavor production at the LHC / Paramonov, A.A. /for the ATLAS collaboration ; for the CMS collaboration
The ATLAS and CMS experiments at the LHC conduct an extensive program to study production of events with a W or Z boson and particle jets. Dedicated studies focus on final states with the jets containing decays of heavy-flavor hadrons (b-tagged jets). [...]
arXiv:1206.1619; ATL-PHYS-PROC-2012-077.- Geneva : CERN, 2012 - 4 p. - Published in : , pp. 327-330 Fulltext: ATL-PHYS-PROC-2012-077 - PDF; 1206.1619 - PDF; Pages_from_C12-03-10_327 - PDF; Preprint: PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 47th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 10 - 17 Mar 2012, pp.327
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2737.
Searches for Beyond-Standard Model Higgs bosons at ATLAS / Lenzi, B (CERN)
The results of the searches for Higgs bosons beyond the Standard Model with the ATLAS detector, based on 2011 proton-proton collision data recorded at the Large Hadron Collider (LHC) at a centre-of-mass energy of 7 TeV are reported. [...]
ATL-PHYS-PROC-2012-078. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2738.
Diffraction and rapidity gap measurements in ATLAS / Ruzicka, P (Prague, Inst. Phys.)
Pseudorapidity gap distributions in Large Hadron Collider proton-proton collisions at sqs\nare studied using a minimum bias data sample of integrated luminosity $7.1 { m mu b^{-1}}$. [...]
ATL-PHYS-PROC-2012-079. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2739.
Quarkonium Production in ATLAS / Cheatham, S (McGill U., Montreal (main))
The production of Quarkonium is an important testing ground for QCD calculations. [...]
ATL-PHYS-PROC-2012-080. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2740.
Measurements of the top quarks mass with the ATLAS Experiment / Jung, C A (Tech. U., Dortmund (main))
Three measurements of the mass of the top quark in proton-proton collision at the LHC performed with the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2012-081. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2741.
Probing the measurement of jet energies with the ATLAS detector using Z+jet events from proton-proton collisions at sqrt(s) = 7 TeV
The energy calibration of jets measured with the ATLAS detector at the LHC is probed in situ using the direct transverse momentum balance pT(jet)/pT(Z) between a jet in the central region of the detector (|eta| < 1.2) and a Z boson decaying into an e+e− pair. [...]
ATLAS-CONF-2012-053. - 2012. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2742.
Studies of vector boson+jet production with the ATLAS detector / Bélanger-Champagne, C (McGill U., Montreal (main))
The production of jets or b-jets in association with a leptonically-decaying W or Z boson in proton-proton collisions at 7~TeV is an important test of quantum chromodynamics (QDC). [...]
ATL-PHYS-PROC-2012-082. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2743.
Searches for strong R-parity conserving SUSY production at the LHC with the ATLAS detector / Legger, F (Munich U.)
Searches for supersymmetric squarks and gluinos in events containing jets, missing transverse momentum, and one or zero lepton are presented. [...]
ATL-PHYS-PROC-2012-083. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2744.
Proceedings for DIS2012: Measurements with ATLAS Detector of Jets containing Charm and Bottom Quarks / Calvet, D (Clermont-Ferrand U.)
Proceedings for the presentation 88 at the DIS2012..
ATL-PHYS-PROC-2012-084. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2745.
Searches for Fourth Generation Heavy Quarks with the ATLAS Detector / Zhong, J (Oxford U.)
The addition of one or more heavy quarks is a natural extension to the Standard Model. [...]
ATL-PHYS-PROC-2012-085. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2746.
Top quark properties at ATLAS / Hirose, M (Osaka U. (main))
Discovered in 1995 by the CDF and D$\O$ experiments, the top quark is the heaviest known elementary particle. [...]
ATL-PHYS-PROC-2012-086. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2747.
Measurements of dibosons with the ATLAS detector and associated constraints on new physics / Skottowe, Hugh (Harvard U.)
Diboson cross sections have been measured for all combinations of W,Z and isolated photons, using the ATLAS detector at the LHC. [...]
arXiv:1207.5340. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Fulltext - Preprint - Full text - Fulltext
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2748.
Search for R-parity violating SUSY signatures with the ATLAS detector / Meyer, C (Mainz U.)
Searches for supersymmetry at the LHC also embrace signatures from R-parity violating processes. [...]
ATL-PHYS-PROC-2012-088. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2749.
Measurements of Correlations in Minimum Bias Interactions with the ATLAS Detector / Moraes, A (Glasgow U.)
This report presents a brief summary of recent minimum bias measurements recorded with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2012-089. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2750.
Search for physics beyond the Standard Model with top quarks at ATLAS / Calfayan, P (Munich U.)
This document reports on recent searches for new physics involving top quarks in proton-proton collisions at the center-of-mass energy sqrt{s}= 7 TeV. [...]
ATL-PHYS-PROC-2012-090. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2751.
Search for the Standard Model Higgs boson at ATLAS / Tanaka, J (Tokyo U. ; Tokyo U., ICEPP)
A search for the Standard Model Higgs boson has been performed with the ATLAS experiment at LHC using data corresponding to integrated luminosities from 1.04 fb-1 to 4.9 fb-1 of pp collisions collected at sqrt{s}=7 TeV in 2011. [...]
ATL-PHYS-PROC-2012-091. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published version from Frascati
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2752.
Electroweak results from ATLAS / Glazov, S (Hasylab, DESY)
Measurements of single W and Z as well as diboson WW , WZ and ZZ production at the LHC performed by the ATLAS collaboration in 2010 and 2011 are presented. [...]
ATL-PHYS-PROC-2012-092. - 2012.
Original Communication (restricted to ATLAS) - Full text - Published version from Frascati
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2753.
Luminosity calibration at ATLAS in 2011 / Tibbetts, MJ (LBNL, Berkeley)
An overview is provided of absolute luminosity calibrations of dedicated luminosity detectors and algorithms at ATLAS for different LHC physics conditions. [...]
ATL-DAPR-PROC-2012-001. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2754.
Exclusive and Rare B Decays in ATLAS / Musto, E (Naples U. ; INFN, Naples)
ATLAS experiment presented a variety of B-Physics results obtained by analyzing data collected during 2010 and 2011. [...]
ATL-PHYS-PROC-2012-093. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2755.
Determination of the tau energy scale and the associated systematic uncertainty in proton-proton collisions at sqrt{s}= = 7 TeV with the ATLAS detector at the LHC in 2011
This note describes the hadronic tau decay energy calibration and a new data-driven method to determine the systematic uncertainties on the energy scale. [...]
ATLAS-CONF-2012-054. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2756.
Measurement of the $\Lambda_b^0$ lifetime and mass in the ATLAS experiment
A measurement of the $\Lambda_b^0$ lifetime and mass in the decay channel $\Lambda_b^0\to J/\psi(\mu^+\mu^-) \Lambda^0 (p^+\pi^-)$ is presented here. [...]
ATLAS-CONF-2012-055. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2757.
Measurement of the $t$-channel single top-quark and top-antiquark production cross-sections and their ratio in pp collisions at $\sqrt{s}$ = 7 TeV
We present measurements of the single top-quark and top-antiquark cross sections and their ratio in $t$-channel production in $pp$ collisions at the LHC. [...]
ATLAS-CONF-2012-056. - 2012. - 42 p.
Original Communication (restricted to ATLAS) - Full text
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2758.
Measurement of the charge asymmetry in dileptonic decay of top quark pairs in pp collisions at √s = 7 TeV using the ATLAS detector
A measurement of the top-antitop charge asymmetry in the dilepton channel (ee,emu and mumu) is presented using data corresponding to an integrated luminosity of 4.71 fb−1 of pp collisions at √s = 7 TeV collected by the ATLAS detector. [...]
ATLAS-CONF-2012-057. - 2012. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2759.
Search for gluino-mediated scalar top and bottom quark production in final states with missing transverse energy and at least three $b$-jets with the ATLAS Detector.
The results of a search for gluino-mediated pair production of the scalar partners of the top and bottom quarks in 4.7 fb-1of pp collisions at sqrt(s)=7 TeV using the ATLAS detector are reported. [...]
ATLAS-CONF-2012-058. - 2012. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2760.
Search for light scalar top quark pair production in final states with two leptons with the ATLAS detector in $\sqrt{s}=7\TeV$ proton--proton collisions
A search is presented for the pair production of light scalar top quarks in $\sqrt{s}=7$~TeV proton--proton collisions with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2012-059. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2761.
Jets, W/Z and Top Quark Production at the LHC and Status of the Higgs Boson Searches at ATLAS / Kortner, O (Munich, Max Planck Inst.)
In 2011 the ATLAS and CMS experiments have each analysed up to 5 fb-1 of pp collision data at sqrt(s) = 7 TeV. [...]
ATL-PHYS-PROC-2012-094. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2762.
Search for the Standard Model Higgs Boson in ATLAS / Mal, Prolay (IRFU, Saclay)
The latest search for the Standard Model (SM) Higgs boson based on 4.7-4.9 fb-1 of pp collision data at sqrt(s)=7 TeV recorded with the ATLAS detector is presented here..
arXiv:1206.1174. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text - Fulltext
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2763.
Search for the Standard Model Higgs boson in the $H\to WW^{(\ast)}\to \ell\nu\ell\nu$ decay mode using Multivariate Techniques with 4.7 fb-1 of ATLAS data at sqrt{s}=7 TeV
A Higgs boson search in the $H\to WW^{(\ast)}\to \ell\nu\ell\nu$ ($\ell=e,\mu$) decay mode has been performed using multivariate techniques with proton-proton collision data corresponding to an integrated luminosity of 4.7 fb-1 at a centre-of-mass energy of 7 TeV collected during 2011 with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2012-060. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2764.
Precision Synchronization of the ATLAS Level-1 Calorimeter Trigger with Collision Data in 2010 and 2011 / Lang, V (Kirchhoff Inst. Phys.) ; Stamen, R (Kirchhoff Inst. Phys.)
The ATLAS Level-1 Calorimeter trigger (L1Calo) selects LHC collision events based on the identification of high pT-objects like electrons, jets and taus as well as the determination of total and missing ET in the Tile and Liquid Argon Calorimeters. [...]
ATL-DAQ-PUB-2012-001. - 2012. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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2765.
Latest top physics results at ATLAS / Mijovic, L (Saclay)
Recent top physics results obtained at ATLAS using the LHC data collected during 2011 are reviewed [...]
ATL-PHYS-PROC-2012-096. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published version from Frascati
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2766.
Performance of the ATLAS muon trigger in 2011 / Matsushita, T (Kobe U.)
Events with muons in the final state are an impor- tant signature for many physics analyses in the harsh detector environment produced by collisions of high energy protons. [...]
ATL-DAQ-PROC-2012-008. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2767.
A System for Monitoring and Tracking the LHC Beam Spot within the ATLAS High Level Trigger / Winklmeier, F (CERN) ; Bartoldus, C (SLAC) ; Cogan, J (SLAC) ; Salnikov, A (SLAC) ; Strauss, E (SLAC)
The parameters of the beam spot produced by the LHC in the ATLAS interaction region are computed online using the ATLAS High Level Trigger (HLT) system. [...]
ATL-DAQ-PROC-2012-009. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2768.
Upgraded readout electronics for the ATLAS LAr Calorimeter at the Phase I of LHC / Stärz, S (Dresden, Tech. U.)
The ATLAS Liquid Argon (LAr) calorimeters produce a total of 182,486 signals which are digitized and processed by the front-end and back-end electronics at every triggered event. [...]
ATL-LARG-PROC-2012-002. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2769.
A Self Seeded First Level Track Trigger for ATLAS / John, A (Heidelberg, Max Planck Inst.) ; Schmitt, S (Heidelberg, Max Planck Inst.) ; Schöning, A (Heidelberg, Max Planck Inst.)
For the planned high luminosity upgrade of the Large Hadron Collider, aiming to increase the instantaneous luminosity to $5 imes 10^{34}cm^{-2}s^{-1}$, the implementation of a first level track trigger has been proposed. [...]
ATL-DAQ-PROC-2012-010. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2770.
Performance and evolution of the ATLAS TDAQ system with pp collisions at 7~TeV / Kono, T (DESY)
During the data-taking period from 2009 until 2011, the ATLAS TDAQ system has been used very successfully to collect proton-proton data at LHC centre-of-mass energies between 900 GeV and 7 TeV. [...]
ATL-DAQ-PROC-2012-011. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2771.
The AMchip04 and the Processing Unit Prototype for the FastTracker / Andreani, A (Milan U. ; INFN, Milan) ; Annovi, A (Frascati) ; Beretta, M (Frascati) ; Bogdan, M (Chicago U., EFI) ; Citterio, M (INFN, Milan) ; Alberti, F (Milan U. ; INFN, Milan) ; Giannetti, P (INFN, Pisa) ; Lanza, A (INFN, Pavia) ; Magalotti, D (INFN, Perugia) ; Piendibene, M (INFN, Pisa ; U. Pisa (main)) et al.
Modern experiments search for extremely rare processes hidden in much larger background levels. [...]
ATL-DAQ-PROC-2012-012. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2772.
The ATLAS Distributed Data Management project: Past and Future / Garonne, V (CERN) ; Graeme, A (CERN) ; Lassnig, M (CERN) ; Molfetas, A (CERN) ; Barisits, M (CERN) ; Beermann, T (CERN) ; Nairz, A (CERN) ; Goossens, L (CERN) ; Barreiro Megino, F (CERN) ; Serfon, C (Munich U.) et al.
ATLAS has recorded almost 8PB of RAW data since the LHC started running at the end of 2009. [...]
ATL-SOFT-PROC-2012-049. - 2012. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2773.
Track and vertex reconstruction in the ATLAS experiment / Meloni, F (INFN, Milan ; Milan U.)
The track and vertex reconstruction algorithms of the ATLAS Inner Detector have demonstrated excellent performance in the early data from the LHC. [...]
ATL-PHYS-PROC-2012-097. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2774.
The Upgrade of the ATLAS Inner Detector / Ferrere, D (Geneva U.)
With the Large Hadron Collider (LHC) successfully collecting data at 7 TeV and even at 8 TeV since April 2012, plans are actively advancing for a series of upgrades in phase with the three long shutdown periods leading to detector improvement. [...]
ATL-INDET-PROC-2012-009. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2775.
Advanced Visualization System for Monitoring the ATLAS TDAQ Network in real-time / Batraneanu, S M (UC, Irvine) ; Campora Perez, D H (Seville U.) ; Martin, B (CERN) ; Savu, D O (CERN) ; Stancu, S N (CERN) ; Leahu, L (Bucharest, Polytechnic Inst.)
The trigger and data acquisition (TDAQ) system of the ATLAS experiment at CERN comprises approximately 2500 servers interconnected by three separate Ethernet networks, totaling 250 switches. [...]
ATL-DAQ-PROC-2012-013. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2776.
Tools and strategies to monitor the ATLAS online computing farm / Ballestrero, S (Johannesburg U. ; CERN) ; Brasolin, F (INFN, Bologna) ; Darlea, G L (Bucharest, Polytechnic Inst. ; CERN) ; Dumitru, I (Bucharest, Polytechnic Inst.) ; Scannicchio, D A (UC, Irvine) ; Twomey, M S (Washington U. ; CERN) ; Valsan, M L (CERN) ; Zaytsev, A (Novosibirsk, IYF)
In the ATLAS experiment the collection, processing, selection and conveyance of event data from the detector front-end electronics to mass storage is performed by the ATLAS online farm consisting of nearly 3000 PCs with various characteristics. [...]
ATL-DAQ-PROC-2012-014. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2777.
Use of expert system and data analysis technologies in automation of error detection, diagnosis and recovery for ATLAS Trigger-DAQ Controls framework / Kazarov, A (CERN) ; Corso Radu, A (UC, Irvine) ; Magnoni, L (CERN) ; Lehmann Miotto, G (CERN)
Trigger and DAQ (Data AQuisition) System of the ATLAS experiment on LHC at CERN is a very complex distributed computing system, composed of O(10000) applications running on a farm of commodity CPUs. [...]
ATL-DAQ-PROC-2012-015. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2778.
Evolution and Performance of Electron and Photon Triggers in ATLAS in the year 2011 / Solovyev, V (St. Petersburg, INP)
Electron and photon triggers are used for signal selection in a wide variety of ATLAS physics analyses. [...]
ATL-DAQ-PROC-2012-016. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2779.
The ATLAS hadronic tau trigger / Tanasijczuk, A J (Simon Fraser U.)
Hadronic tau decays play an important role in many searches for physics beyond the Standard Model as well as in Standard Model measurements at the Large Hadron Collider. [...]
ATL-DAQ-PROC-2012-017. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2780.
Instrumentation of the upgraded ATLAS tracker with a double buffer front-end architecture for track triggering / Wardrope, DR (University Coll. London)
The Large Hadron Collider will be upgraded to provide instantaneous luminosity $L=5\times10^{34}\,\mbox{cm}^{-2}\mbox{s}^{-1}$, leading to excessive rates from the ATLAS Level-1 trigger [...]
ATL-DAQ-PROC-2012-018. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2781.
Experience with the custom-developed ATLAS Offline Trigger Monitoring Framework and reprocessing infrastructure / zur Nedden, M (Humboldt U.) ; Bartsch, V (Sussex U.)
The offline trigger monitoring of the ATLAS Experiment is assessing the data quality and analyses those events where no trigger decision could be made. [...]
ATL-DAQ-PROC-2012-019. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2782.
Status of the ATLAS Pixel Detector and its performance after three years of operation / Favareto, A (INFN, Milan ; Milan U.)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN, providing high-resolution measurements of charged particle tracks in the high radiation environment close to the collision region. [...]
ATL-INDET-PROC-2012-010. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2783.
Higgs Boson Searches Beyond the Standard Model with ATLAS / Kroseberg, J. (Bonn U.) /ATLAS Collaboration
Recent searches for Higgs bosons in the context of extensions to the Standard Model of Particle Physics with the ATLAS detector at the Large Hadron Collider are discussed. All presented analyses use data recorded at a pp center-of-mass energy of 7 TeV in 2011 with integrated luminosities between 1 and 5/fb. [...]
arXiv:1206.6761; ATL-PHYS-PROC-2012-098.- Geneva : CERN, 2012 - 4 p. - Published in : , pp. 71-74 Fulltext: ATL-PHYS-PROC-2012-098 - PDF; Pages_from_C12-03-10_71 - PDF; arXiv:1206.6761 - PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 47th Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 10 - 17 Mar 2012, pp.71-74
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2784.
Performances of the signal reconstruction in the ATLAS Hadronic Tile Calorimeter / Meoni, E (Tufts U. (main))
The Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of ATLAS. [...]
ATL-TILECAL-PROC-2012-002. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2785.
Upgrade for the ATLAS Tile Calorimeter Readout Electronics at the High Luminosity LHC / Carrió, F (Valencia U., IFIC)
This work presents an overview of the on-detector and off-detector electronics for the Phase II Upgrade of the ATLAS Tile Calorimeter at the LHC scheduled around 2022. [...]
ATL-TILECAL-PROC-2012-003. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2786.
Neural network based cluster reconstruction in the ATLAS pixel detector / Selbach, K E (Edinburgh U.)
The ATLAS Pixel detector currently determining particle positions at 8 TeV proton-proton collisions is working with a dense track environment. [...]
ATL-PHYS-PROC-2012-099. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2787.
Monitoring the Radiation Damage of the ATLAS Pixel Detector / Cooke, M (LBNL, Berkeley)
The Pixel Detector is the innermost charged particle tracking component employed by the ATLAS experiment at the CERN Large Hadron Collider (LHC). [...]
ATL-INDET-PROC-2012-011. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2788.
FTK: A Fast Track Trigger for ATLAS / Pennig, B (Chicago U. ; Fermilab ; Chicago U., EFI)
Proceedings of of the WIT2012 conference about the Atlas Fast Track Trigger
ATL-DAQ-PROC-2012-020. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2789.
Measurements of Top Quark Properties at the LHC / Lister, A (Geneva U.)
A total of 20 measurements carried out by the ATLAS and CMS Collaborations of the properties of top quarks were presented. [...]
ATL-PHYS-PROC-2012-100. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2790.
High-performance scalable Information Service for the ATLAS experiment / Kolos, S (UC, Irvine) ; Boutsioukis, G (Aristotle U., Thessaloniki) ; Hauser, R (Michigan State U., East Lansing (main))
The ATLAS experiment is being operated by highly distributed computing system which is constantly producing a lot of status information which is used to monitor the experiment operational conditions as well as to access the quality of the physics data being taken. [...]
ATL-DAQ-PROC-2012-021. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2791.
Tracking and calorimeter performance for tau reconstruction at ATLAS / Consonni, S M (INFN, Milan ; Milan U.)
Tau leptons play an important role in the physics program of the ATLAS experiment, operating at the LHC. [...]
ATL-PHYS-PROC-2012-101. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2792.
ATLAS Silicon Microstrip Tracker Operation and Performance / Rosendahl, P L (Bergen U.)
The Semi-Conductor Tracker (SCT) is a silicon microstrip detector part of the ATLAS experiment at the CERN Large Hadron Collider (LHC). [...]
ATL-INDET-PROC-2012-012. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2793.
Calibration and Monitoring systems of the ATLAS Tile Hadron Calorimeter / BOUMEDIENE, D (Clermont-Ferrand U.)
The TileCal is the hadronic calorimeter covering the most central region of the ATLAS experiment at LHC. [...]
ATL-TILECAL-PROC-2012-004. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2794.
Upgrade project and plans for the ATLAS detector and trigger / Pastore, F (Royal Holloway, U. of London)
In the coming years different phases of upgrades for the LHC complex are foreseen, which will allow to extend the physics potential of its experiments. [...]
ATL-DAQ-PROC-2012-022. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2795.
The ATLAS trigger system: Performance and Evolution / Sidoti, A (INFN, Rome)
During the data taking period from 2009 until 2011, the ATLAS trigger has been used very successfully to collect proton-proton data at LHC center-of-mass energies between 900 GeV and 7 TeV. [...]
ATL-DAQ-PROC-2012-023. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2796.
Searches for BSM and Higgs boson at LHC / JINNOUCHI, O (Tokyo Inst. Tech.)
This article reviews the recent results from the two energy frontier experiments, ATLAS and CMS at the large hadron collider (LHC), using the data collected during 2011 corresponding up to 4.9 ${ m fb}^{-1}$ integrated luminosity of $sqrt{s}=7,$TeV proton proton collisions. [...]
ATL-PHYS-PROC-2012-102. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2797.
Search for the rare decays B-> mumu at the LHC with the ATLAS, CMS and LHCb experiments
A combination of the results of the search for the decay $B_{q} \rightarrow \mu^{+}\mu^{-}$ is performed using about 2.4 fb$^{-1}$, 5 fb$^{-1}$ and 1.0 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 7~TeV, collected at the Large Hadron Collider at CERN by the ATLAS, CMS, and LHCb experiments, respectively. [...]
ATLAS-CONF-2012-061. - 2012. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2798.
Search for magnetic monopoles in $sqrt{s}=7$~TeV $pp$ collisions with the ATLAS detector
This note presents the first search for magnetic monopoles with the ATLAS detector at the CERN Large Hadron Collider using an integrated luminosity of 2.00~fb$^{-1}$ of 7~TeV $pp$ collisions. [...]
ATLAS-CONF-2012-062. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2799.
The ATLAS Tile Calorimeter performance at LHC / Hernandez, Y (Valencia U., IFIC)
The Tile Calorimeter (TileCal), the central section of the hadronic calorimeter of the ATLAS experiment, is a key detector component to detect hadrons, jets, taus and muons and to measure the missing transverse energy. [...]
ATL-TILECAL-PROC-2012-005. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2800.
Software Validation in ATLAS / Hodgkinson, M (Sheffield U.) ; Seuster, R (Munich, Max Planck Inst.) ; Simmons, B (University Coll. London) ; Rousseau, D (Orsay) ; Sherwood, P (University Coll. London)
The ATLAS collaboration operates an extensive set of protocols to validate the quality of the offline software in a timely manner. [...]
ATL-SOFT-PROC-2012-050. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2801.
Structured storage in ATLAS Distributed Data Management: use cases and experiences / Lassnig, M (CERN) ; Garonne, V (CERN) ; Molfetas, A (Sydney U.) ; Beermann, T (CERN) ; Dimitrov, G (CERN) ; Canali, L (CERN) ; Zang, D (Beijing, GUCAS) ; Chinzer, LA (Naples U.)
The distributed data management system of the high-energy physics experiment ATLAS has a critical dependency on the Oracle Relational Database Management System. [...]
ATL-SOFT-PROC-2012-051. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2802.
AGIS: The ATLAS Grid Information System / Anisenkov, Alexey (Novosibirsk, IYF) ; Belov, Sergey (Dubna, JINR) ; Di Girolamo, Alessandro (CERN) ; Gayazov, Stavro (Novosibirsk, IYF) ; Klimentov, Alexei (Brookhaven) ; Oleynik, Danila (Dubna, JINR) ; Senchenko, Alexander (Novosibirsk, IYF)
ATLAS is a particle physics experiment at the Large Hadron Collider at CERN. [...]
ATL-SOFT-PROC-2012-052. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2803.
An XML generic detector description system and geometry editor for the ATLAS detector at the LHC / Chevalier, L (Saclay) ; Dell'Acqua, A (CERN) ; Meyer, J (Wurzburg U.)
In this paper we describe a system which was developed to describe the ATLAS muon spectrometer, which is based on a generic XML detector description system (ATLAS Generic Detector Description, AGDD), on the PERSINT visualization program and on a series of parsers, respectively converters which build a generic, transient geometry model and translate it into commonly used geometry descriptions like Geant4, the ATLAS GeoModel, ROOT TGeo or others. [...]
ATL-SOFT-PROC-2012-053. - 2012. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2804.
The ATLAS Level-1 Trigger System / Buttinger, W (CERN)
The ATLAS Level-1 Trigger is the first stage of event selection for the ATLAS experiment at the LHC. [...]
ATL-DAQ-PROC-2012-024. - 2012. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2805.
Popularity framework for monitoring user workload / Molfetas, A (Sydney U. ; CERN) ; Lassnig, M (CERN) ; Garonne, V (CERN) ; Stewart, G (CERN) ; Barisits, M (Vienna U.) ; Beermann, T (Wuppertal U.) ; Dimitrov, G (Sydney U.)
This paper describes a monitoring framework for large scale data management systems with frequent data access. [...]
ATL-SOFT-PROC-2012-054. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2806.
The ATLAS RPC detector as a Luminosity monitor / Bindi, M (INFN, Bologna ; Bologna U.)
The ATLAS RPC Detector Control System has been mainly used to monitor and safely operate the RPC detector during 2010 and 2011 LHC run. [...]
ATL-MUON-PROC-2012-004. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2807.
Track finding in ATLAS using GPUs / Mattmann, J (Johannesburg U.) ; Schmitt, C (Johannesburg U.)
The reconstruction and simulation of collision events is a major task in modern HEP experiments involving several ten thousands of standard CPUs. [...]
ATL-SOFT-PROC-2012-055. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2808.
ATLAS off-Grid sites (Tier 3) monitoring. From local fabric monitoring to global overview of the VO computing activities / PETROSYAN, A (Dubna, JINR) ; OLEYNIK, D (Dubna, JINR) ; BELOV, S (Dubna, JINR) ; ANDREEVA, J (CERN) ; KADOCHNIKOV, I (Dubna, JINR)
ATLAS is a particle physics experiment on Large Hadron Collider at CERN. [...]
ATL-SOFT-PROC-2012-056. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2809.
VM-based infrastructure for simulating different cluster and storage solutions used on ATLAS tier3 sites / KUTOUSKI, M (Dubna, JINR) ; OLEYNIK, D (Dubna, JINR) ; PETROSYAN, A (Dubna, JINR) ; KADOCHNIKOV, I (Dubna, JINR) ; BELOV, S (Dubna, JINR) ; KORENKOV, V (Dubna, JINR)
ATLAS is a particle physics experiment on Large Hadron Collider at CERN. [...]
ATL-SOFT-PROC-2012-057. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2810.
Evolution of grid-wide access to database resident information in ATLAS using Frontier / Barberis, D (INFN, Genoa) ; Bujor, F (CERN) ; de Stefano, J (Brookhaven) ; Dewhurst, A L (Rutherford) ; Dykstra, D (Fermilab) ; Front, D (Weizmann Inst.)
The ATLAS experiment deployed Frontier technology world-wide during the the initial year of LHC collision data taking to enable user analysis jobs running on the World-wide LHC Computing Grid to access database resident data. [...]
ATL-SOFT-PROC-2012-058. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2811.
ATLAS Data Management Accounting with Hadoop Pig and HBase / Lassnig, M (CERN) ; Garonne, V (CERN) ; Dimitrov, G (CERN) ; Canali, L (CERN)
The ATLAS Distributed Data Management system requires accounting of its contents at the metadata layer. [...]
ATL-SOFT-PROC-2012-059. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2812.
The Next Generation ARC Middleware and ATLAS Computing Model / Filipcic, A (Stefan Inst., Ljubljana) ; Cameron, D (Oslo U.) ; Smirnova, O (Lund U.) ; Konstantinov, A (Oslo U.) ; Karpenko, D (Oslo U.)
The distributed NDGF Tier-1 and associated Nordugrid clusters are well integrated into the ATLAS computing model but follow a slightly different paradigm than other ATLAS resources [...]
ATL-SOFT-PROC-2012-060. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2813.
Measurements of single top quark production with the ATLAS detector / Bell, W H (Geneva U.)
These proceedings summarise the single top-quark production results presented at the DIS2012 conference. [...]
ATL-PHYS-PROC-2012-103. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2814.
The ATLAS Upgrade programme / Gemme, C (INFN, Genoa)
After the ¯rst successful years of LHC running, plans are actively advancing for a series of upgrades leading eventually to about ¯ve times the design-luminosity some 10-years from now. [...]
ATL-PHYS-PROC-2012-104. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2815.
Monitoring the US ATLAS Network Infrastructure with perfSONAR-PS / McKee, S (Michigan U.) ; Lake, A (LBNL, Berkeley) ; Laurens, P (Michigan State U.) ; Severini, H (Oklahoma State U.) ; Wlodek, T (Brookhaven) ; Wolff, S (Internet2) ; Zurawski, J (Internet2)
Global scientific collaborations, such as ATLAS, continue to push the network requirements envelope. [...]
ATL-SOFT-PROC-2012-061. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2816.
Inclusive Jet Production Measured with ATLAS and Constraints on PDFs / Malaescu, Bogdan (CERN) /ATLAS collaboration
Inclusive jet and dijet double-differential cross sections have been measured in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector at the LHC. The cross sections were measured using jets clustered with the anti-kt algorithm. [...]
arXiv:1207.4583.- Geneva : CERN, 2012 - 4 p. - Published in : 10.3204/DESY-PROC-2012-02/71 Fulltext: arXiv:1207.4583 - PDF; 71-malaescu_bogdan - PDF; ATL-PHYS-PROC-2012-105 - PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 20th International Workshop on Deep-Inelastic Scattering and Related Subjects, Bonn, Germany, 26 - 30 Mar 2012, pp.223-226
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2817.
Evolution of the Trigger and Data Acquisition System for the ATLAS experiment / Negri, A (INFN, Pavia ; Pavia U.)
The ATLAS experiment at the Large Hadron Collider at CERN relies on a complex and highly distributed Trigger and Data Acquisition (TDAQ) system to gather and select particle collision data at unprecedented energy and rates. [...]
ATL-DAQ-PROC-2012-025. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2818.
Prompt data reconstruction at the ATLAS experiment / Stewart, G A (CERN) ; Boyd, J (CERN) ; da Costa, JF (DESY) ; Tuggle, J (Chicago U.) ; Unal, G (CERN) ; Boyd, Jamie (CERN) ; Firmino da Costa, Joao (DESY) ; Tuggle, Joseph (Chicago U.) ; Unal, Guillaume (CERN)
The ATLAS experiment at the LHC collider recorded more than 5~fb$^{-1}$ data of $pp$ collisions at a centre-of-mass energy of 7~TeV during 2011. [...]
ATL-SOFT-PROC-2012-062. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2819.
The Monitoring and Calibration Web Systems for the ATLAS Tile Calorimeter Data Quality Analysis / Sivolella, A (Rio de Janeiro Federal U.) ; Maidantchik, C (Rio de Janeiro Federal U.) ; Ferreira, F (Rio de Janeiro Federal U.)
The Tile Calorimeter (TileCal) is one of the ATLAS sub-detectors. [...]
ATL-SOFT-PROC-2012-063. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2820.
Soft-QCD at the LHC / Pilkington, A D (Manchester U.)
Recent ATLAS and CMS measurements related to non-perturbative QCD are presented. [...]
ATL-PHYS-PROC-2012-106. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2821.
Cavern background measurement with the ATLAS RPC system / Aielli, G (INFN, Rome2 ; Rome U.,Tor Vergata)
The measurement of cavern background has been carried out systematically since the beginning of LHC, as soon as the luminosity produced a detectable signal, from L = 10^28 cm^2s^1 of the early 2010 operation up to L=10^28 cm^2s^1 at the end of 2011 proton-proton run, which is just 1/3 of the nominal LHC luminosity. [...]
ATL-MUON-PROC-2012-005. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2822.
Centralized configuration system for a large scale farm of network booted computers / Ballestrero, S (Johannesburg U. ; CERN) ; Brasolin, F (INFN, Bologna) ; Darlea, G-L (Bucharest, Polytechnic Inst. ; CERN) ; Dumitru, I (Bucharest, Polytechnic Inst.) ; Scannicchio, D A (UC, Irvine) ; Twomey, M S (Washington U. ; CERN) ; Valsan, M L (CERN) ; Zaytsev, A (Novosibirsk, IYF)
In the ATLAS Online computing farm, the majority of the systems are network booted - they run an operating system image provided via network by a Local File Server. [...]
ATL-DAQ-PROC-2012-026. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2823.
The version control service for ATLAS data acquisition configuration files / Soloviev, Igor (CERN ; UC, Irvine)
To configure data taking session the ATLAS systems and detectors store more than 160 MBytes of data acquisition related configuration information in OKS XML files [1]. [...]
ATL-DAQ-PROC-2012-027. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2824.
Methods to quantify the performance of the primary vertex reconstruction in the ATLAS experiment under high luminosity conditions / Grimm, K (Lancaster U.) ; Guido, E (INFN) ; Meloni, F (Milan U.) ; Pagan Griso, S (LBNL, Berkeley) ; Prokofiev, K (New York U.) ; Rudolph, M (Toronto U.) ; Wildauer, A (Munich, Max Planck Inst.)
Presented in this contribution are methods currently developed and used by the ATLAS collaboration to measure the performance of the primary vertex reconstruction algorithms. [...]
ATL-PHYS-PROC-2012-107. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2825.
Prompt photon measurements with the ATLAS detector / Carminati, L (Milan U. ; INFN, Milan)
In this paper a general overview of the main prompt photon measurements with the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2012-108. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2826.
Status of the Atlas Liquid Argon Calorimeter and its Performance after two years of LHC operation / AperioBella, L (Annecy, LAPP)
The ATLAS experiment is designed to study the proton-proton collisions produced at the Large Hadron Collider(LHC) at CERN. [...]
ATL-LARG-PROC-2012-003. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2827.
An extensible infrastructure for querying and mining event-level metadata in ATLAS / Malon, D (Argonne) ; Cranshaw, J (Argonne) ; Zhang, Q (Argonne)
The ATLAS event-level metadata infrastructure supports applications that range from data quality monitoring, anomaly detection, and fast physics monitoring to event-level selection and navigation to file-resident event data at any processing stage, from raw through analysis object data, in globally distributed analysis. [...]
ATL-SOFT-PROC-2012-064. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2828.
The ATLAS jet trigger / Tamsett, M (Louisiana Tech. U.)
The ATLAS jet trigger system has a 3-level structure, and was designed based on the concept of Regions Of Interest, where only regions of the detector around interesting Level-1 objects are reconstructed at the higher levels. [...]
ATL-DAQ-PROC-2012-028. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2829.
Experience with highly-parallel software for the storage system of the ATLAS Experiment at CERN / Colombo, T (Pavia U. ; CERN) ; Vandelli, W (CERN)
The ATLAS experiment is observing proton-proton collisions delivered by the LHC accelerator. [...]
ATL-DAQ-PROC-2012-029. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2830.
Applications of advanced data analysis and expert system technologies in the ATLAS Trigger-DAQ Controls framework / Avolio, G (UC, Irvine) ; Corso Radu, A (UC, Irvine) ; Kazarov, A (St. Petersburg, INP) ; Lehmann Miotto, G (CERN) ; Magnoni, L (CERN)
The Trigger and DAQ system of the ATLAS experiment is a very complex distributed computing system, composed of more than 15000 applications running on more than 2000 computers. [...]
ATL-DAQ-PROC-2012-030. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2831.
The Electronic Logbook for the Information Storage of ATLAS Experiment at LHC (ELisA) / Corso-Radu, A (UC, Irvine) ; Lehmann Miotto, G (CERN) ; Magnoni, L (CERN)
A large experiment like ATLAS at LHC (CERN), with over three thousand members and a shift crew of 15 people running the experiment 24/7, needs an easy and reliable tool to gather all the information concerning the experiment development, installation, deployment and exploitation over its lifetime. [...]
ATL-DAQ-PROC-2012-031. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2832.
Architecture and Performance of the Inner Detector Trigger of the ATLAS detector / Bernat, P (UCL)
The rising instantaneous luminosity of the LHC poses an increasing challenge to the pattern recognition algorithms for track reconstruction at the ATLAS Inner Detector Trigger. [...]
ATL-DAQ-PROC-2012-032. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2833.
Electroweak Measurements with the ATLAS and CMS Experiments / Kretzschmar, J (Liverpool U.) /ATLAS collaboration
Highlights of ATLAS and CMS measurements involving the production of heavy electroweak gauge bosons, W and Z, at the LHC are presented. Cross sections of single W and Z bosons are studied with very high precision and differential in various kinematic variables. [...]
ATL-PHYS-PROC-2012-109; arXiv:1207.4327.- Geneva : CERN, 2012 - 8 p. Fulltext: PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 47th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 3 - 10 Mar 2012, pp.89
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2834.
Fast Simulation for ATLAS: Atlfast-II and ISF / Lukas, W (Innsbruck U.)
Monte Carlo simulations of physics events, including detailed simulation of the detector response, are indispensable for every analysis of high-energy physics experiments. [...]
ATL-SOFT-PROC-2012-065. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2835.
Balancing the resources of the High Level Trigger farm of the ATLAS experiment / Garelli, N (CERN) ; Morar, M T (Manchester U. ; CERN) ; Vandelli, W (CERN)
The ATLAS High Level Trigger (HLT) is organized in two trigger levels running different selection algorithms on heterogeneous farms composed of off-the-shelf processing units. [...]
ATL-DAQ-PROC-2012-033. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2836.
Resource Utilization by the ATLAS High Level Trigger during 2010 and 2011 LHC running / Lipeles, E (Penn State U.) ; Ospanov, R (Penn State U.) ; Schaefer, D (Penn State U.)
Since starting in 2010, the Large Hadron Collider (LHC) has produced collisions at an ever increasing rate. [...]
ATL-DAQ-PROC-2012-034. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2837.
A Fast Hardware Tracker for the ATLAS Trigger System / Volpi, G (Frascati ; Chicago U., EFI ; Chicago U.)
The Fast Tracker (FTK) processor is an approved ATLAS upgrade that will reconstruct tracks using the full silicon tracker at Level-1 rate (up to 100 KHz). [...]
ATL-DAQ-PROC-2012-035. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2838.
Search for the Standard Model Scalar Boson with the ATLAS detector / Kortner, Sandra (Munich, Max Planck Inst.) /for the ATLAS collaboration
The experimental results of the search for the Standard Model Higgs boson with the ATLAS detector at the Large Hadron Collider are reported, based on a dataset of $pp$ collision data with an integrated luminosity of up to 4.9 fb$^{-1}$ at $sqrt{s}$ = 7 TeV. The search combines several Higgs boson decay channels in a wide range of Higgs boson masses from 110~GeV to 600~GeV. [...]
arXiv:1206.6756.- Geneva : CERN, 2012 - 8 p. - Published in : , pp. 29-36 Fulltext: arXiv:1206.6756 - PDF; ATL-PHYS-PROC-2012-110 - PDF; 1206.6756 - PDF; Pages_from_C12-03-03_29 - PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 47th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 3 - 10 Mar 2012, pp.29
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2839.
ATLAS Analysis Papers and Conference Notes / Maidantchik, C (Rio de Janeiro Federal U.) ; Pommes, K (CERN) ; Frias, L (Rio de Janeiro Federal U.) ; Moraes, L (Rio de Janeiro Federal U.) ; Galvão, K (Rio de Janeiro Federal U.) ; Grael, F (Rio de Janeiro Federal U.) ; Evora, L (Rio de Janeiro Federal U.) ; Ramos, B (Rio de Janeiro Federal U.)
In 2010, the LHC experiment produced 7 TeV and heavy-ions collisions continually, generating a huge amount of data, which was analyzed and reported throughout several performed studies. [...]
ATL-SOFT-PROC-2012-066. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2840.
The ATLAS Muon Trigger at High instantaneous Luminosities / Oh, A (Manchester U.)
The ATLAS experiment at CERN's Large Hadron Collider (LHC) has taken data with colliding beams at instantaneous luminosities of 2*10^33 cm^-2 s^-1. [...]
ATL-DAQ-PROC-2012-036. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2841.
Designing the ATLAS trigger menu for high luminosities / Nakahama, Y (CERN)
Proceeding for CHEP2012. [...]
ATL-DAQ-PROC-2012-037. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2842.
b-jet triggering in ATLAS / Cavaliere, V (CERN)
The online event selection is crucial to reject most of the events containing uninteresting background collisions while preserving as much as possible the interesting physical signals. [...]
ATL-DAQ-PROC-2012-038. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2843.
Triggering on hadronic Tau Decays in ATLAS: Algorithms and Performance / Czodrowski, P (Dresden, Tech. U.)
Hadronic tau decays play a crucial role in taking Standard Model measurements as well as in the search for physics beyond the Standard Model of ATLAS at the Large Hadron Collider (LHC). [...]
ATL-DAQ-PROC-2012-039. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2844.
Track based alignment of the ATLAS Inner Detector: implementation and performances / Pani, P (NIKHEF, Amsterdam)
The Large Hadron Collider (LHC) at CERN is the world's largest particle accelerator, which collides proton beams at unprecedented center of mass energy. [...]
ATL-INDET-PROC-2012-013. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2845.
Track and vertex reconstruction of the ATLAS Inner Detector in the high multiplicity LHC environment / Wasicki, C (DESY)
With an average number of up to 30 pile-up interactions per bunch crossing in 2012 data, the ATLAS Inner Detector at the LHC is performing in an environment beyond its design specifications. [...]
ATL-PHYS-PROC-2012-111. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2846.
Neural network based cluster reconstruction in the ATLAS pixel detector / Selbach, K E (New York U.) ; Prokofiev, K (Edinburgh U.)
The ATLAS Pixel detector is currently determining particle positions at 8TeV proton-proton collisions at the LHC producing jets with high pT. [...]
ATL-PHYS-PROC-2012-112. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2847.
Experience with the custom-developed ATLAS Offline Trigger Monitoring Framework and Reprocessing Infrastructure / Bartsch, V (Sussex U.)
After about two years of data taking with the ATLAS detector manifold experience with the custom-developed trigger monitoring and reprocessing infrastructure could be collected. [...]
ATL-DAQ-PROC-2012-040. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2848.
Topological and Central Trigger Processor for 2014 LHC luminosities / Simioni, E (Mainz U., Inst. Phys.) ; Anders, G (Kirchhoff Inst. Phys.) ; Bauss, B (Mainz U., Inst. Phys.) ; Berge, D (CERN) ; Buscher, V (Mainz U., Inst. Phys.) ; Childers, T (CERN) ; Degele, R (Mainz U., Inst. Phys.) ; Dobson, E (CERN) ; Ebling, A (Mainz U., Inst. Phys.) ; Ellis, N (CERN) et al.
The ATLAS experiment is located at the European Center for Nuclear Research (CERN) in Switzerland. [...]
ATL-DAQ-PROC-2012-041. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2849.
Probing the measurement of jet energies with the ATLAS detector using photon+jet events in proton-proton collisions at sqrt{s} = 7 TeV
The energy calibration of jets produced in proton-proton collisions at sqrt(s) = 7 TeV is probed in situ in the region |eta| < 1.2 of the ATLAS detector by exploiting the conservation of transverse momentum (pT) in events with a photon and a jet. [...]
ATLAS-CONF-2012-063. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2850.
Pile-up corrections for jets from proton-proton collisions at $\sqrt{s} = 7$ \TeV{} in \ATLAS{} in 2011
The high luminosity and high total proton-proton interaction cross section at $\sqrt{s} = 7$~TeV at the LHC lead to multiple proton collisions per bunch crossing. [...]
ATLAS-CONF-2012-064. - 2012. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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2851.
Performance of large-R jets and jet substructure reconstruction with the ATLAS detector
This paper presents the application of techniques to study jet substructure. [...]
ATLAS-CONF-2012-065. - 2012. - 54 p.
Original Communication (restricted to ATLAS) - Full text
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2852.
Studies of the impact and mitigation of pile-up on large-$R$ and groomed jets in ATLAS at $\sqrt{s}=7$ TeV
Large radius jets provide one avenue towards efficient reconstruction of massive boosted objects whose decay products are sufficiently collimated so as to make standard reconstruction techniques impractical. [...]
ATLAS-CONF-2012-066. - 2012. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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2853.
DECAYS OF HEAVY FLAVOUR HADRONS MEASURED IN CMS AND ATLAS / Smizanska, M (Lancaster U.)
The ATLAS and CMS data collected in pp collisions during 2010 and 2011 allowed a good quality of B-physics measurements, reproducing essential B-hadron properties, such as masses and lifetimes, and demonstrating a good performance of the two detectors within an increas- ing instantaneous luminosity of the LHC machine. [...]
ATL-PHYS-PROC-2012-113. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2854.
A search for high mass resonances decaying to tau+tau- in the ATLAS detector
This note presents a search for high-mass resonances decaying into tau+tau- final states, using proton-proton collisions at √s = 7 TeV, produced by the Large Hadron Collider (LHC). [...]
ATLAS-CONF-2012-067. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2855.
Search for new phenomena in the WW -> lnu l'nu' final state in pp collisions at sqrt{s} = 7 TeV with the ATLAS detector
This paper reports a search for a heavy particle that decays to $WW$ using events produced in $pp$ collisions at sqrt{s}=7 TeV. [...]
ATLAS-CONF-2012-068. - 2012. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2856.
Search for anomalous production of prompt like-sign lepton pairs with the ATLAS detector
An inclusive search for anomalous production of two prompt, isolated leptons with the same electric charge is presented. [...]
ATLAS-CONF-2012-069. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2857.
Search for light top squark pair production in final states with leptons and b-jets with the ATLAS detector in √s = 7 TeV proton–proton collisions
The results of a search for pair production of light top squarks are presented, using 4.7 fb−1 of √s = 7 TeV proton–proton collisions with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2012-070. - 2012. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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2858.
Search for a heavy top partner in final states with two leptons with the ATLAS detector
The results of a search for direct pair production of heavy top partners in 4.7~ifb of integrated luminosity from $pp$ collisions at $sqrt{s}=7$~TeV collected by the ATLAS detector at the LHC are reported. [...]
ATLAS-CONF-2012-071. - 2012. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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2859.
Search for Diphoton Events with Large Missing Transverse Momentum in 7 TeV pp Collision Data with the ATLAS Detector
A search for diphoton events with large missing transverse momentum has been performed using 4.8 fb$^{−1}$ of proton–proton collision data at $\sqrt{s}$ = 7 TeV recorded with the ATLAS detector. [...]
ATLAS-CONF-2012-072. - 2012. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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2860.
Search for direct top squark pair production in final states with one isolated lepton, jets, and missing transverse momentum in sqrt(s) = 7 TeV pp collisions using 4.7 ifb of ATLAS data
A search is presented for direct top squark pair production in final states with one isolated electron or muon, jets, and missing transverse momentum in proton-proton collisions at a center-of-mass energy of 7~\TeV. [...]
ATLAS-CONF-2012-073. - 2012. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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2861.
Search for a supersymmetric partner of the top quark in final states with jets and missing transverse momentum at sqrt{s}=7 TeV with the ATLAS detector
A search for direct pair production of supersymmetric top squarks (stop) is presented, assuming the stop decays into a top quark and the lightest supersymmetric particle or LSP (chi^0), and that both top quarks decay with purely hadronic final states. [...]
ATLAS-CONF-2012-074. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2862.
Searches for Heavy Long-Lived Sleptons and R-hadrons with the ATLAS detector in pp collisions at sqrt(s) = 7 TeV
A search for long-lived particles is performed using a data sample of 4.7 fb-1 from pp collisions at sqrt(s) = 7 TeV collected by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2012-075. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2863.
Search for direct slepton and gaugino production in final states with two leptons and missing transverse momentum with the ATLAS detector in pp collisions at √s = 7 TeV
A search for the electroweak pair production of charged sleptons and weak gauginos decaying into final states with two leptons is performed using 4.7 fb−1 of proton-proton collision data at √s = 7 TeV recorded with the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2012-076. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2864.
Search for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in sqrt(s)=7 TeV pp collisions with the ATLAS detector
A search for the direct production of charginos and neutralinos in final states with three electrons or muons and missing transverse momentum is presented. [...]
ATLAS-CONF-2012-077. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2865.
Search for the Associated Higgs Boson Production in the WH→ WWW(∗)→ lνlνlν Decay Mode Using 4.7 fb−1of Data Collected with the ATLAS Detector at √s = 7 TeV
A search for the Higgs boson in the associated production mode WH→ WWW(∗)→ lνlνlν (l = e, μ) has been performed using 4.7 fb−1 of proton-proton collision data at a centre-of-mass energy of 7 TeV collected in 2011 with the ATLAS detector. [...]
ATLAS-CONF-2012-078. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2866.
Search for a Higgs boson decaying to four photons through light CP-odd scalar coupling using \lumifull of $7~\mathrm{TeV}$ $pp$ collision data taken with ATLAS detector at the LHC
In some extensions of the Standard Model, such as MCHM or NMSSM, the Higgs boson can couple to light CP-odd scalar particles. [...]
ATLAS-CONF-2012-079. - 2012. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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2867.
Improved Luminosity Determination in $\mathbf{pp}$ Collisions at $\mathbf{\sqrt s = 7}$ TeV using the ATLAS Detector at the LHC
The luminosity calibration for the ATLAS detector at the LHC during $pp$ collisions at $\sqrt s = 7$ TeV in 2010 and 2011 is presented. [...]
ATLAS-CONF-2012-080. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2868.
Measurement of the flavour composition of dijet events in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector
This paper describes a measurement of the flavour composition of dijet events produced in pp collisions at sqrt(s)=7 TeV using the ATLAS detector. [...]
ATLAS-CONF-2012-081. - 2012. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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2869.
Top quark mass measurement in the eμ channel using the mT2 variable at ATLAS
A measurement of the top-quark mass using the mT2 stransverse mass variable in the emu channel in \sqrt{s} = 7 TeV pp collision data taken in 2011 at the LHC is presented. [...]
ATLAS-CONF-2012-082. - 2012. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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2870.
Measurement of the cross section in $t\bar{t}$+jets using kinematics fit method with the ATLAS detector
A measurement of the cross section for $t\bar{t}$ production in association with at least one additional jet in proton-proton collisions at a centre-of-mass energy of 7 TeV is presented. [...]
ATLAS-CONF-2012-083. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2871.
Search for dark matter candidates and large extra dimensions in events with a jet and missing transverse momentum with the ATLAS detector
A search for new phenomena in events with a high-energy jet and large missing transverse momentum is performed in proton-proton collisions at $\sqrt{s}=7 TeV$ with the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2012-084. - 2012. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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2872.
Search for dark matter candidates and large extra dimensions in events with a photon and missing transverse momentum in pp collision data at sqrt(s)=7TeV with the ATLAS detector
We report results of the search for new phenomena in events with an energetic photon and large missing transverse momentum in proton-proton collisions at sqrt(s)=7 TeV. [...]
ATLAS-CONF-2012-085. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2873.
ATLAS search for a heavy gauge boson decaying to a charged lepton and a neutrino in $4.7~\mathrm{fb}^{-1}$ of $pp$ collisions at $\sqrt{s}= 7~\mathrm{TeV}$
The ATLAS detector at the LHC is used to search for high-mass states, such as heavy charged gauge bosons ($W'$), decaying to a charged lepton (electron or muon) and a neutrino. [...]
ATLAS-CONF-2012-086. - 2012. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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2874.
Search for Extra Dimensions in the Diphoton Channel using 4.9/fb of Proton-Proton Collisions recorded at 7 TeV with the ATLAS Detector
We present a search for extra dimensions in the diphoton final state with the ATLAS detector. [...]
ATLAS-CONF-2012-087. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2875.
Search for New Phenomena in the Dijet Mass Distribution using 5.8 fb−1 of pp Collisions at √s = 8 TeV collected by the ATLAS Detector
The dijet mass distribution produced in LHC proton-proton collisions at a center-of-mass energy √s = 8 TeV has been studied with the ATLAS detector using 2012 data with an integrated luminosity of 5.8 fb−1, including dijet masses up to ∼4.1 TeV. [...]
ATLAS-CONF-2012-088. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2876.
Search for Displaced Muon Jets from light Higgs boson decay in proton-proton collisions at sqrt(s) = 7 Tev with the ATLAS detector
A search is presented for collimated muon pairs produced in the decay of long-lived neutral particles in proton-proton collisions at sqrt(s) = 7 TeV center of mass energy, with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2012-089. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2877.
Measurement of the total ZZ production cross section in the four-lepton channel using 5.8 fb$^{−1}$ of ATLAS data at $\sqrt s$ = 8 TeV
The ZZ production cross section has been measured by the ATLAS experiment using the four-lepton decay channel, where the term lepton implies electrons and muons. [...]
ATLAS-CONF-2012-090. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2878.
Observation of an excess of events in the search for the Standard Model Higgs boson in the gamma-gamma channel with the ATLAS detector
This note reports on a search for the Standard Model Higgs boson in the diphoton decay channel in proton-proton collisions at center-of-mass energies of sqrt(s) = 7 TeV and sqrt(s) = 8 TeV using integrated luminosities of 4.8 fb-1 and 5.9 fb-1, respectively, recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2012-091. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2879.
Observation of an excess of events in the search for the Standard Model Higgs boson in the $H\rightarrow ZZ^{(*)}\rightarrow 4\ell$ channel with the ATLAS detector.
A search for the Standard Model Higgs boson in the decay channel $H\rightarrow ZZ^{(∗)} \rightarrow l+l−l'+l'−$, where $l,l' = e,\mu$, using proton-proton collisions at $sqrt{s}=7$ and 8 TeV recorded with the ATLAS detector is presented. [...]
ATLAS-CONF-2012-092. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2880.
Novel, Highly-Parallel Software for the Online Storage System of the ATLAS Experiment at CERN: Design and Performances / Colombo, T (Pavia U. ; CERN) ; Vandelli, W (CERN)
Abstract--- The ATLAS experiment observes proton-proton collisions delivered by the LHC accelerator at CERN. [...]
ATL-DAQ-PROC-2012-042. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2881.
Observation of an Excess of Events in the Search for the Standard Model Higgs boson with the ATLAS detector at the LHC
A preliminary combined search for the Standard Model Higgs boson with the ATLAS detector at the LHC is presented. [...]
ATLAS-CONF-2012-093. - 2012. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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2882.
Search for Neutral MSSM Higgs bosons in $sqrt{s} = 7$ TeV pp collisions at ATLAS
A search for the neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) is reported. [...]
ATLAS-CONF-2012-094. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2883.
Combination of ATLAS and CMS results on the mass of the top quark using up to 4.9 fb−1 of data
A combination of top-quark mass measurements performed by the ATLAS and CMS experiments at the LHC is presented. [...]
ATLAS-CONF-2012-095. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2884.
Search for top-jet resonances in the lepton+jets channel of ttbar + jets events with the ATLAS detector in 4.7 fb−1 of pp collisions at sqrt(s) = 7 TeV
This letter presents a search for a heavy new particle X produced singly in association with a t(tbar) quark. [...]
ATLAS-CONF-2012-096. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2885.
Measuring the b-tag efficiency in a top-pair sample with 4.7 fb^-1 of data from the ATLAS detector
Many physics analyses in ATLAS depend on the reconstruction of b-jets. [...]
ATLAS-CONF-2012-097. - 2012. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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2886.
Top Quark Pair Production Cross-Section at ATLAS / Shaw, K (INFN, Udine)
Measurements of the top quark pair (tt) production cross-section in proton-proton collisions at √s = 7 TeV are presented using data recorded with the ATLAS detector at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2012-114. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2887.
A Data Formatter for the ATLAS Fast Tracker / Olsen, J (Fermilab) ; Li, Ho Ling (Chicago U.) ; Liu, Ted (Fermilab) ; Okumura, Y (Chicago U.) ; Penning, B (Fermilab)
The Fast TracKer (FTK) is an upgrade to the ATLAS level-2 trigger. [...]
ATL-DAQ-PROC-2012-043. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2888.
Latest QCD results in pp and PbPb collisions from ATLAS / Wozniak, K W (Cracow, INP)
The ATLAS experiment is measuring both pp and PbPb collisions at the largest energies available in laboratory delivered by the LHC accelerator. [...]
ATL-PHYS-PROC-2012-115. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2889.
Physics with Tau-Lepton Final States in ATLAS / Ruthmann, N (Freiburg U.)
Heading into its third year of data-taking ATLAS already published a large number of measurements and searches for processes with $\tau$ leptons in the final state. [...]
ATL-PHYS-PROC-2012-116. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2890.
Performance of the ATLAS Jet Trigger / Lopes, L (LIP, Lisbon)
There have been a lot of recent changes in the ATLAS jet trigger [...]
ATL-DAQ-PROC-2012-044. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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2891.
Observation of an Excess of Events in the Search for the Standard Model Higgs Boson in the $H\to WW^{(\ast)}\to \ell\nu\ell\nu$ Channel with the ATLAS Detector
A Standard Model Higgs boson search in the $H \to WW^{(*)} \to e\nu\mu\nu$ decay mode has been performed using proton-proton collision data corresponding to an integrated luminosity of 5.8 fb$^{-1}$ at a centre-of-mass energy of 8 TeV collected during 2012 with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2012-098. - 2012. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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2892.
Charged track reconstruction and b-tagging performance in ATLAS / Favareto, A (Milan U. ; INFN, Milan)
The ATLAS Inner Detector is designed to provide precision tracking informa- tion at LHC luminosities with a hermetic detector covering 5 units in pseudo- rapidity. [...]
ATL-PHYS-PROC-2012-117. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2893.
Performance of the ATLAS muon trigger in 2011
Events with muons in the final state are an important signature for many physics analyses in the harsh environment produced by collisions of high energy protons at high luminosity. [...]
ATLAS-CONF-2012-099. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2894.
Identification and Tagging of Double b-hadron jets with the ATLAS Detector
A method is presented allowing the identification of jets containing two b-hadrons. [...]
ATLAS-CONF-2012-100. - 2012. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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2895.
Rare B-decays at ATLAS including B to di-muonic decays / Ibragimov, I (Siegen U.)
A search for the rare decay Bsmumu has been performed in LHC proton-proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS detector using first 2.4 fb-1 of data collected in 2011. [...]
ATL-PHYS-PROC-2012-118. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2896.
Reconstruction and Identification of Hadronically Decaying Tau Leptons at ATLAS / Jennens, D (Melbourne U.)
Tau leptons play an important role in the physics program at the LHC. [...]
ATL-PHYS-PROC-2012-119. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2897.
Highlights from the LHC / Straessner, Arno (Dresden, Tech. U.)
The Large Hadron Collider (LHC) and the two multi-purpose LHC Detectors, ATLAS and CMS, have been operated successfully at record centre-of-mass energies of 7-8 TeV. [...]
ATL-PHYS-PROC-2012-120. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2898.
Performance of Missing Transverse Momentum Reconstruction in ATLAS with 2011 Proton-Proton Collisions at $sqrt{s}$ = 7 TeV
The performance of the missing transverse momentum reconstruction in the ATLAS detector is evaluated using data collected in proton-proton collisions at a centre-of-mass energy of 7 TeV in 2011. [...]
ATLAS-CONF-2012-101. - 2012. - 35 p.
Original Communication (restricted to ATLAS) - Full text
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2899.
Search for Resonances Decaying into Top Quark Pairs Using Fully Hadronic Decays in pp Collisions with ATLAS at sqrt(s) = 7 TeV
A search for heavy resonances decaying into top quark pairs is presented. [...]
ATLAS-CONF-2012-102. - 2012. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2900.
Observation of a new χb state at ATLAS and a new Ξb baryon at CMS / Chisholm, A (Birmingham U.)
Two recent observations of new b hadrons in pp collisions at sqrt(s) = 7 TeV at the Large Hadron Collider (LHC) are presented. [...]
ATL-PHYS-PROC-2012-121. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2901.
CP Violation at ATLAS / Jovin, T (Belgrade U.)
The Standard Model predicts a tiny CP-violating effects in the Bs-meson system that can be experimentally determined by the ATLAS experiment at LHC, employing a time-dependent analysis of the ‘golden’ BsJpsiphi decay channel to extract the weak mixing phase phi_s. [...]
ATL-PHYS-PROC-2012-122. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2902.
Upgrade Project and Plans for the ATLAS Detector and Trigger / Vari, R (INFN)
In the coming years different phases of upgrades for the LHC complex are foreseen, which will allow for the extension of the physics potential of its experiments. [...]
ATL-DAQ-PROC-2012-045. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2903.
Forward energy flow and diffraction at ATLAS / Staroba, P (Prague, Inst. Phys.)
First measurements of forward energy flow and diffractive dissociation processes at ATLAS are presented. [...]
ATL-PHYS-PROC-2012-123. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2904.
Fourth Generation Searches at ATLAS / Nektarijevic, S (Geneva U.)
Thanks to the outstanding LHC accelerator and ATLAS detector performances, 4.7fb−1 of p-p collision data with centre of mass energy 7TeV were recorded in 2011. [...]
ATL-PHYS-PROC-2012-124. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2905.
Measurement of vn coefficients and Reaction-Plane Correlations in ATLAS / Mohapatra, S (Stony Brook U.)
Hadron correlations are important tools used to study the properties of the medium produced in relativistic heavy ion collisions. [...]
ATL-PHYS-PROC-2012-125. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2906.
Measurement of elliptic and higher order flow harmonics in 2.76 TeV Pb-Pb collisions with the ATLAS detector / Mohapatra, S (Stony Brook U.)
The flow harmonics vn are important bulk observables in heavy ion collisions. [...]
ATL-PHYS-PROC-2012-126. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2907.
Measurement of Event Plane Correlations in Pb-Pb Collisions at $\sqrt{s_{\mathrm{NN}}}$=2.76 TeV with the ATLAS Detector / Jia, Jiangyong (Brookhaven ; SUNY, Stony Brook, Chem. Dept.)
A measurement of correlations between event-plane angles $\Phi_n$ is presented as a function of centrality for Pb-Pb collisions at $\sqrt{s_{_{\mathrm{NN}}}}=2.76$ TeV. [...]
arXiv:1208.1427 ; ATL-PHYS-PROC-2012-127. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Preprint - Fulltext
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2908.
Search for the Standard Model Higgs boson with the ATLAS detector / Pizio, C (INFN, Milan ; Milan U.)
The experimental results of the search for the Standard Model Higgs boson with the ATLAS detector at the Large Hadron Collider are reported. [...]
ATL-PHYS-PROC-2012-128. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2909.
ATLAS Hadronic tau trigger / Shamim, M (Oregon U.)
Hadronic tau decays play a crucial role in the search for physics beyond the Standard Model as well as in Standard Model measurements. [...]
ATL-DAQ-PROC-2012-046. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2910.
Measurement of the rapidity-even dipolar flow in Pb-Pb collisions with the ATLAS detector / Jia, Jiangyong (SUNY, Stony Brook, Chem. Dept. ; Brookhaven)
The rapidity-even dipolar flow $v_1$ associated with dipole asymmetry of in the initial geometry is measured over broad ranges in $p_T$ ($0.5-9$ GeV) and centrality (0-50%) in Pb-Pb collisions at $\sqrt{s_{_{\mathrm{NN}}}}=2.76$ TeV, recorded by the ATLAS experiment at the LHC. [...]
arXiv:1208.1874. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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2911.
Physics at a High-Luminosity LHC with ATLAS / ATLAS-Collaboration, The
The physics accessible at the high-luminosity phase of the LHC extends well beyond that of the earlier LHC programme. [...]
ATL-PHYS-PUB-2012-001. - 2012. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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2912.
Future of the ATLAS heavy ion program / ATLAS-Collaboration, The
The primary goal of the heavy ion program at the LHC is to study the properties of deconfined strongly interacting matter, often referred to as ``quark-gluon plasma'' (QGP), created in ultra-relativistic nuclear collisions. [...]
ATL-PHYS-PUB-2012-002. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2913.
Standard Model Higgs boson searches in pp collisions at sqrt(s)=7 TeV with the ATLAS detector. / Tafirout, Reda (TRIUMF)
We report on searches for the Standard Model Higgs boson with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2012-130. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2914.
Inclusive b and c production with the ATLAS Detector / Gladilin, L (SINP, Moscow ; Dubna, JINR)
The production of charm and beauty in pp collisions at 7 TeV has been studied at LHC with the ATLAS detector using fully reconstructed D^(*) mesons. [...]
ATL-PHYS-PROC-2012-131. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2915.
Search for new phenomena using large jet multiplicities and missing transverse momentum with ATLAS in 5.8 fb$^{-1}$ of $\sqrt{s}=8$ TeV proton-proton collisions
Results are presented of a search for new particles decaying to large numbers of jets in association with missing transverse momentum, using 5.8 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} = 8$ TeV collected by the ATLAS experiment at the Large Hadron Collider in 2012. [...]
ATLAS-CONF-2012-103. - 2012. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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2916.
Search for supersymmetry at $\sqrt{s} = 8$ TeV in final states with jets, missing transverse momentum and one isolated lepton
This note presents the search for supersymmetry (SUSY) by the ATLAS experiment at the LHC in proton-proton collisions at a center-of-mass energy $\sqrt{s} = 8$ TeV in a final state with four hard jets, missing transverse momentum and one isolated electron or muon. [...]
ATLAS-CONF-2012-104. - 2012. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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2917.
Search for Supersymmetry in final states with two same-sign leptons, jets and missing transverse momentum with the ATLAS detector in pp collisions at sqrt{s}=8 TeV
A search for the production of supersymmetric particles decaying into final states with jets, missing transverse momentum and two isolated leptons, e or mu, of same sign is presented. [...]
ATLAS-CONF-2012-105. - 2012. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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2918.
Search for scalar bottom pair production in final states with missing transverse momentum and two b-jets in pp collisions at √s=7 TeV with the ATLAS Detector
The results of a search for pair production of the scalar partners of the bottom quarks in 4.7 fb−1 of pp collisions at √s = 7 TeV using the ATLAS detector at the LHC are reported. [...]
ATLAS-CONF-2012-106. - 2012. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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2919.
A general search for new phenomena with the ATLAS detector in pp collisions at sort(s)=7 TeV.
This note presents a model-independent general search for new physics in proton proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2012-107. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2920.
Search for supersymmetry using events with three leptons, multiple jets, and missing transverse momentum with the ATLAS detector
We report on a search for physics beyond the Standard Model using events with three leptons, four or more jets, and missing transverse momentum. [...]
ATLAS-CONF-2012-108. - 2012. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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2921.
Search for squarks and gluinos with the ATLAS detector using final states with jets and missing transverse momentum and 5.8 fb$^{-1}$ of $\sqrt{s}$=8 TeV proton-proton collision data
A search for squarks and gluinos in final states containing jets, missing transverse momentum and no high-pt electrons or muons is presented. [...]
ATLAS-CONF-2012-109. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2922.
Search for Massive Coloured Scalars with the ATLAS Detector in Four-Jet Final States using 4.6~\ifb of $\sqrt{s} = 7$~\TeV\ proton-proton collision data
A search for pair-produced massive coloured scalar particles decaying to a four-jet final state is performed in proton-proton collisions at $\sqrt s = 7$~\TeV. [...]
ATLAS-CONF-2012-110. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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2923.
Search for direct chargino production in anomaly-mediated supersymmetry breaking models based on a disappearing-track signature, in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector at the LHC
A search for direct chargino production in anomaly-mediated supersymmetry breaking (AMSB) scenarios is performed using 4.7 fb−1 data of pp collisions at sqrt(s) = 7 TeV with the ATLAS experiment. [...]
ATLAS-CONF-2012-111. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2924.
Search for Supersymmetry in Events with Large Missing Transverse Momentum, Jets, and at Least One Tau Lepton in 7 TeV Proton-Proton Collision Data with the ATLAS Detector
A search for Supersymmetry (SUSY) in events with large missing transverse momentum, jets, and at least one hadronically decaying tau lepton, with zero or one additional light lepton (e/mu), has been performed using 4.7fb−1 of proton-proton collision data at sqrt(s)=7 TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2012-112. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2925.
Search for long-lived, heavy particles in final states with a muon and multi-track displaced vertex in proton-proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS detector
Many extensions of the Standard Model posit the existence of heavy particles with long lifetimes. [...]
ATLAS-CONF-2012-113. - 2012. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2926.
Measurement of the distributions of event-by-event flow harmonics in Pb-Pb collisions at $\sqrt{s_{_{\mathrm{NN}}}}$=2.76 TeV
The event-by-event distributions of harmonic flow coefficients $v_n$ for $n$=2--4 are measured in Pb-Pb collisions at $\sqrt{s_{NN}}=2.76$ TeV, using charged particles with $p_T> 0.5$ GeV and in the pseudorapidity range $|\eta|<2.5$. [...]
ATLAS-CONF-2012-114. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2927.
Measurement of inclusive jet charged particle fragmentation functions in Pb+Pb collisions at sqrt(s(nn)) = 2.76 TeV with the ATLAS detector
Measurements of charged particle fragmentation functions of jets produced in ultra-relativistic nuclear collisions are expected to provide insight on the modification of parton showers in the hot, dense medium created in the collisions. [...]
ATLAS-CONF-2012-115. - 2012. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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2928.
Measurement of the azimuthal dependence of inclusive jet yields in Pb+Pb collisions at sqrt(s) = 2.76 TeV with the ATLAS detector
Measurements of the variation of inclusive jet suppression as a function of azimuthal angle with respect to the elliptic flow event plane, Delta phi, can provide insight on the path length dependence of jet quenching in the the hot medium created in ultra-relativistic heavy ion collisions. [...]
ATLAS-CONF-2012-116. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2929.
Measurement of the centrality and pseudorapidity dependence of the integrated elliptic flow in lead-lead collisions at sqrt(sNN) = 2.76 TeV with the ATLAS detector
The elliptic flow of charged particles integrated over their transverse momenta has been measured in Pb+Pb collisions at sqrt(sNN)=2.76 TeV with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2012-117. - 2012. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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2930.
Measurement of the elliptic flow with multi-particle cumulants in lead-lead collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV with the ATLAS detector at the LHC
We report on a measurement of the anisotropy of charged particle flow in lead-lead collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2012-118. - 2012. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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2931.
Measurement of momentum imbalance in $Z \rightarrow \ell\ell$ + Jet events in Lead-Lead collisions at $\sqrt{s_{NN}}$= 2.76 TeV with the ATLAS detector
The boson + jet probe, composed of a color neutral boson and color sensitive jet, has been called the `golden channel' for understanding the interactions of color sensitive objects in the quark gluon plasma. [...]
ATLAS-CONF-2012-119. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2932.
Neutron and proton tests of different technologies for the upgrade of cold readout electronics of the ATLAS Hadronic Endcap Calorimeter / Nagel, Martin (Munich, Max Planck Inst.)
The expected increase of total integrated luminosity by a factor of ten at the HL-LHC compared to the design goals for LHC essentially eliminates the safety factor for radiation hardness realized at the current cold amplifiers of the ATLAS Hadronic Endcap Calorimeter (HEC). [...]
arXiv:1208.1989. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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2933.
Measurement of the charged particle spectra in PbPb collisions at sqn=2.76TeV with the ATLAS detector at the LHC
The ATLAS experiment at the LHC has measured the production of charged hadrons in PbPb collisions at sqrt{s_{NN}}=2.76TeV as a function of transverse momentum (pT) in the range 0.5-150GeV and in the pseudorapidity range of +/- 2.5. [...]
ATLAS-CONF-2012-120. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2934.
Search for the Higgs boson in the diphoton decay channel with 4.9 fb$^{-1}$ of ATLAS data at $sqrt{s} = 7$ TeV / Yoshida, R (Argonne)
A search for the Standard Model and a Fermiophobic Higgs boson in the diphoton decay channel in proton-proton collisions at a centre-of-mass energy of $sqrt{s} = 7$ TeV using data corresponding to an integrated luminosity of 4.9 fb$^{-1}$ collected with the ATLAS detector at the LHC over the diphoton mass range 110-150 GeV is reported. [...]
ATL-PHYS-PROC-2012-132. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2935.
Performance and Improvements of the ATLAS Jet Trigger System / Conde Muino, P (LIP, Lisbon)
At the harsh conditions of the LHC, with proton bunches colliding every 50 ns and up to 40 pp interactions per bunch crossing, the ATLAS trigger system has to be flexible to maintaining an unbiased efficiency for a wide variety of physics studies while providing a fast rejection of non-interesting events. [...]
ATL-DAQ-PROC-2012-047. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2936.
Precision Timing of the ATLAS Level-1 Calorimeter Trigger / Davygora, Y (Kirchhoff Inst. Phys.) ; Unal, G (CERN)
The ATLAS Level-1 Calorimeter Trigger is one of the main elements of the first-stage online selection of LHC collision events measured at the ATLAS experiment. [...]
ATL-DAQ-PROC-2012-048. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2937.
The Role of the LAr Calorimeter in the Search for H->gamma gamma in ATLAS / Unal, G (CERN)
In the low mass range (100 to 140 GeV) one of the most promising search channel for the Higgs boson at the LHC is the rare decay in a pair of photons. [...]
ATL-PHYS-PROC-2012-133. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2938.
Measurement of the correlation of jets with high $p_{T}$ isolated prompt photons in lead-lead collisions at $sqrt{s_{NN}} =2.76}$ TeV with the ATLAS detector at the LHC
Prompt photons produced in heavy ion collisions are the golden channel for studying the effects of jet quenching in the hot, dense medium. [...]
ATLAS-CONF-2012-121. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2939.
Searching for Supersymmetry with the ATLAS Detector at the LHC / Schumm, B A (UC, Santa Cruz, Inst. Part. Phys. ; UC, Santa Cruz)
Highlights of ATLAS searches for signatures associated with Supersymmetry are presented. [...]
ATL-PHYS-PROC-2012-134. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2940.
Upgrade plans for the ATLAS Forward Calorimeter at the HL-LHC / Rutherfoord, J (Arizona U.)
Although data-taking at CERN's Large Hadron Collider (LHC) is expected to continue for a number of years, plans are already being developed for operation of the LHC and associated detectors at an increased instantaneous luminosity about 5 times the original design value of 10^34 cm^-2 s^-1. [...]
ATL-LARG-PROC-2012-005. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2941.
Single Hadron Response Measurement in ATLAS / Starovoitov, P (DESY)
Single hadron response measurement in minimum bias proton-proton collisions at a center of mass energy of $sqrt{s}=7$~TeV are presented. [...]
ATL-PHYS-PROC-2012-135. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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2942.
Performance of the ATLAS Minimum Bias and Forward Detector Triggers in 2011 Heavy Ion Run
This note describes the performance of the ATLAS minimum bias and forward detector triggers during the 2011 LHC Heavy Ion run. [...]
ATLAS-CONF-2012-122. - 2012. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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2943.
Measurements of the photon identification efficiency with the ATLAS detector using 4.9 fb−1 of pp collision data collected in 2011
The efficiency of the tight selection criteria used in the 2011 dataset by the ATLAS experiment to identify photons is measured using 4.9 fb−1 of pp collision data. [...]
ATLAS-CONF-2012-123. - 2012. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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2944.
Upgrade for the ATLAS Tile Calorimeter Readout Electronics at the High Luminosity LHC / Cerqueira, A (Juiz de Fora U.)
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the most central region of the ATLAS experiment at LHC [...]
ATL-TILECAL-PROC-2012-006. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2945.
Measurement of Z boson Production in Lead-Lead Collisions at $\sqrt{s_{NN}}$ 2.76 TeV with the ATLAS Detector / Citron, Zvi
The ATLAS experiment has observed 1995 $Z$ boson candidates in 0.15 nb$^{-1}$ of integrated luminosity obtained in the 2011 LHC Pb+Pb run at $\sqrt{s_{NN}}$ 2.76 TeV. [...]
arXiv:1208.5447. - 2013-07-16. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint - Elsevier Open Access article - Fulltext
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2946.
Signal reconstruction performance with the ATLAS Hadronic Tile Calorimeter / Klimek, P (Stockholm U.)
The Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of ATLAS. [...]
ATL-TILECAL-PROC-2012-007. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2947.
Jet Energy Scale Uncertainties in ATLAS / Barillari, T (Munich, Max Planck Inst.)
About one year after the first proton-proton collisions at a centre of mass energy of $sqrt(s) = 7,TeV$, the ATLAS experiment has achieved an accuracy of the jet energy measurement between $2-4%$ for jet transverse momenta from $20,GeV$ to $2,TeV$ in the pseudorapidity range up to $4.5$. [...]
ATL-PHYS-PROC-2012-137. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2948.
Search for the Standard Model Higgs boson through the $H \rightarrow ZZ$ decay channels with the ATLAS detector / Meyer, J (Wurzburg U.)
The search for the Standard Model Higgs boson via its decays into two Z bosons is presented, based on the 4.7-4.9fb$^{-1}$ of proton-proton collision data at a center-of-mass energy of 7TeV, recorded in 2011 by the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2012-138. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2949.
Measurements of Dibosons with the ATLAS Detector and Associated Constraints on New Physics / Kagan, M (Harvard U.)
Diboson cross sections have been measured for the Wgamma,Zgamma,WW,WZ,and ZZ processes by the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2012-139. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2950.
Summary of ATLAS Pythia 8 tunes
We summarize the latest ATLAS Pythia 8 minimum bias and underlying event tunes. [...]
ATL-PHYS-PUB-2012-003. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2951.
In situ jet pseudorapidity intercalibration of the ATLAS detector using dijet events in sqrt{s}=7 TeV proton-proton 2011 data
The response of the ATLAS calorimeters to jets is studied by balancing the transverse momenta of dijets in proton-proton collisions at $sqrt{s}=7$~TeV using a data set corresponding to an integrated luminosity of 4.5~fb$^{-1}$. [...]
ATLAS-CONF-2012-124. - 2012. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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2952.
Measuring the $b$-jet tagging efficiency on $c$-jets containing $D^{*+}$ mesons with ATLAS data / Ferretto, A (INFN, Genoa ; Genoa U.)
The identification of jets originating from $b$-quarks ($b$-tagging) is a crucial tool for the LHC physics program, both for precision measurements and in searches for new particles. [...]
ATL-PHYS-PROC-2012-140. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2953.
Probing QCD with Jets, Photons and Weak Bosons at the LHC with ATLAS / Cooper, B (University Coll. London)
A summary of ATLAS measurements that probe ``hard'' QCD interactions in the proton-proton collisions of the LHC are presented..
ATL-PHYS-PROC-2012-141. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2954.
Search for long-lived massive particles with the ATLAS detector / Harris, O M (Washington U.)
Several supersymmetric and exotics theories extending the Standard Model predict massive long-lived particles. [...]
ATL-PHYS-PROC-2012-142. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2955.
A measurement of the muon reconstruction efficiency in 2010 ATLAS data using jpsi decays
A measurement of the ATLAS muon reconstruction efficiency based on the {\it tag-and-probe} method using muons from decays of $\jpsi$ mesons is presented. [...]
ATLAS-CONF-2012-125. - 2012. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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2956.
Search for $t\bar{t}Z$ production in the three lepton final state with $4.7$ ${\rm fb}^{-1}$ of $\sqrt{s}=7$ TeV $pp$ collision data collected by the ATLAS detector
A search for $t\bar{t}Z$ production with the ATLAS detector in $pp$ collisions at the LHC is presented. [...]
ATLAS-CONF-2012-126. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2957.
Search for a Low Mass Standard Model Higgs Boson with the ATLAS Detector at the LHC / Laforge, B (Paris U., VI-VII)
In 2011, the ATLAS experiment collected ~4.8 fb-1 of proton-proton collision data at √s = 7 TeV provided by the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2012-143. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2958.
W/Z production at ATLAS and constraints on parton density functions / Schmieden, K (Bonn U.)
The production cross sections of the inclusive processes $W o l u$ and $Z/gamma o ll (l = e, mu)$ are measured in proton-proton collisions at $sqrt{s} = 7$ TeV with the ATLAS detector. [...]
ATL-PHYS-PROC-2012-144. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2959.
Studies of vector boson+jet production with ATLAS / Perez Codina, E (TRIUMF)
The production of jets in association with W or Z bosons in proton-proton collisions at √s = 7 TeV has been studied. [...]
ATL-PHYS-PROC-2012-145. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2960.
Searches for heavy resonances and new particles at ATLAS / Heim, S (Michigan State U., East Lansing)
We review the most recent results of searches for heavy resonances and new particles decaying to lepton, photon, jet and/or vector boson pairs. [...]
ATL-PHYS-PROC-2012-146. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2961.
Tau Reconstruction, Identification Algorithms and Performance in ATLAS / Simonyan, M (Bohr Inst.)
Tau leptons play an important role in the physics program at the LHC. [...]
ATL-PHYS-PROC-2012-147. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2962.
Search for supersymmetry in events involving third generation squarks and sleptons with ATLAS / Pajchel, K (Oslo U.)
Supersymmetry with large mixing between left and right scalar fermions predicts that the lightest partners of the SM fermions belong to the third generation. [...]
ATL-PHYS-PROC-2012-148. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2963.
ATLAS measurements of soft particle production and diffraction / Todorova, S (Tufts U.)
The ATLAS Collaboration has measured a wide range of properties of soft particle production. [...]
ATL-PHYS-PROC-2012-149. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2964.
Measurements of jets and jet properties in $sqrt{s_{NN}} = 2.76$~TeV lead-lead collisions with the ATLAS Detector at the LHC / Rybar, Martin (Charles U.)
Jet quenching in the hot and dense medium created in ultra-relativistic heavy ion collisions is a well-established experimental phenomenon at RHIC. [...]
arXiv:1208.6504 ; ATL-PHYS-PROC-2012-150. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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2965.
Diboson cross section measurement at ATLAS and limits on anomalous gauge couplings / LI, S (Hefei, CUST ; Marseille, CPPM)
ATL-PHYS-PROC-2012-151. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2966.
Jet Physics in the ATLAS experiment at LHC / Cavasinni, V (Pisa U. ; INFN, Pisa)
Jet physics represents a powerful tool to investigate the properties of quark and 5 gluon interactions. [...]
ATL-PHYS-PROC-2012-152. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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2967.
Measurement of Harmonic Flow from Heavy Ion Collisions in ATLAS / Debbe, R (Brookhaven)
The ATLAS Collaboration has measured the flow of charged particles as the medium formed in (Pb-Pb) collisions at the LHC expands after the interaction. [...]
ATL-PHYS-PROC-2012-153. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2968.
Higgs in ATLAS / Snyder, Scott (Brookhaven Natl. Lab.)
The status of the ATLAS Higgs search using about 5 fb^-1 of data recorded in 2011 is summarized. [...]
arXiv:1209.0590 ; ATL-PHYS-PROC-2012-154 ; ATL-COM-PHYS-2012-1274. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Preprint - Fulltext
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2969.
Beyond Standard Model Searches at ATLAS / Tuggle, J M (Chicago U.)
Results of selected searches by the ATLAS collaboration for physics beyond the standard model are presented. [...]
ATL-PHYS-PROC-2012-155. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2970.
Measurements of W/Z production with the ATLAS detector / Köneke, K (CERN)
W and Z boson production have been measured in the electron, muon and tau decay channels. [...]
ATL-PHYS-PROC-2012-156. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2971.
High-Mass Higgs Searches at ATLAS (Contribution to CIPANP2012 conference proceedings) / Simard, O (Saclay)
Contribution to CIPANP2012 conference proceedings. [...]
ATL-PHYS-PROC-2012-157. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2972.
Search for 4th Generation Quarks with the ATLAS Detector at the LHC / Shrestha, S (Iowa State U.)
We present the results from the searches for fourth generation quarks using data samples collected in 2011 by the ATLAS detector at the Large Hadron Collider (LHC) at CERN..
ATL-PHYS-PROC-2012-158. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2973.
Particle and Jet production in heavy-ion collisions with the ATLAS detector at LHC / Debbe, R (Brookhaven)
The ATLAS Collaboration is embarked in a detailed study of the dense and opaque extended system formed in Pb-Pb collisions at LHC. [...]
ATL-PHYS-PROC-2012-159. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2974.
$b$-hadron production cross section from decays to $D^{*+}\mu^- X$ final states / Ferretto, A (Genoa U. ; INFN, Genoa)
The production of $b$-hadrons has been recently studied by ATLAS at the LHC from partially reconstructed final states containing a $\mu^−$ and a $D^{*+}$. [...]
ATL-PHYS-PROC-2012-160. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2975.
Search for new physics effects involving top quarks and studies of jet shape and substructure at ATLAS / Chen, C (Iowa State U.)
In this paper we present some selected results of search for new physics effects beyond the standard model involving top quarks, as well as several studies of jet shape and substructure using data samples collected by the ATLAS detector at the Large Hadron Collider at CERN..
ATL-PHYS-PROC-2012-161. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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2976.
Top quark production at ATLAS / Kimura, N (Waseda U.)
We present various studies of the production of top quarks in proton-proton collisions at 7 TeV with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2012-162. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2977.
Measurements of ttbar and single top quark production at ATLAS / Gabaldon, C (CERN)
This article summarises on ttbar and single top-quark production cross-sections obtained with the ATLAS detector using pp collisions data at a centre-of-mass energy of 7 TeV collected in 2011. [...]
ATL-PHYS-PROC-2012-163. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2978.
Search for the Standard Model Higgs boson in the HWW decay mode with 4.7 fb-1 of ATLAS data at sqrt(s) = 7 TeV / Chelstowska, M A (Nijmegen U. ; NIKHEF, Amsterdam)
A Higgs boson search in the $H o WW^{(ast)}$ decay mode has been performed using 4.7 fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of 7 TeV collected in 2011 with the ATLAS detector~cite{atlas}. [...]
ATL-PHYS-PROC-2012-164. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2979.
Measurement of the W, Z and photon production in lead-lead collisions at sqrt(s_NN) = 2.76 TeV with ATLAS detector / Milov, A (Weizmann Inst.)
The ATLAS experiment measures production yields of isolated photons and of Z and W bosons via leptonic decay modes in Pb+Pb collisions at sqrt(s_NN)=2.76 TeV. [...]
ATL-PHYS-PROC-2012-165. - 2012.
Original Communication (restricted to ATLAS) - Full text
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2980.
Searches for a heavy Higgs boson at ATLAS / Martyniuk, Alex (Victoria U.)
The experimental results of the search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7~TeV are reported, based on a total integrated luminosity of up to $4.9$~fb$^{-1}$ collected by the ATLAS detector in 2011. [...]
ATL-PHYS-PROC-2012-166. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2981.
Jet Studies in ATLAS / Oreglia, M (Chicago U.)
A summary of Jet Tools and some 2010/2011 cross section measurements using the ATLAS Detector at the LHC [...]
ATL-PHYS-PROC-2012-167. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2982.
Top properties at ATLAS / Gabaldon, C (CERN)
The top-quark is the heaviest fundamental particle known, with a mass close to the electroweak symmetry breaking scale that constrains, together with the W mass, the Higgs boson mass. [...]
ATL-PHYS-PROC-2012-168. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2983.
Measuring the b-jet tagging efficiency using samples of jets containing muons with ATLAS data / Jung, C A (Tech. U., Dortmund)
The identification of jets originating from b-quarks, referred to as b-tagging, is an important part of the LHC physics program. [...]
ATL-PHYS-PROC-2012-169. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2984.
Measuring the b-jet tagging efficiency using top anti-top events with ATLAS data / Duda, D (Bergische U., Wuppertal)
Many physics analyses with the ATLAS detector expect to have jets originating from b-quarks in the final state. [...]
ATL-PHYS-PROC-2012-170. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2985.
Search for contact interactions in dilepton events from pp collisions at sqrt(s) = 7 TeV with the ATLAS detector / Bansal, V (Victoria U.)
A wide range of new physics phenomena can produce modifications to the dilepton mass spectra predicted by the standard model (SM) such as quark/lepton compositeness, extra dimensions, and new gauge bosons. [...]
ATL-PHYS-PROC-2012-171. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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2986.
Monitoring radiation damage in the ATLAS Pixel Detector / Schorlemmer, A L (Gottingen U., II. Phys. Inst. ; CERN)
With the increasing radiation dose, effects of radiation damage become more and more visible due to the creation of silicon crystal defects. [...]
ATL-INDET-PROC-2012-014. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2987.
Coupling properties of the new Higgs-like boson observed with the ATLAS detector at the LHC
Details of the production and decay of the new particle discovered in the mass region of 126 GeV in the search for the Standard Model Higgs boson at √s = 7 TeV and √s = 8 TeV are presented. [...]
ATLAS-CONF-2012-127. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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2988.
Heavy Flavour Cross Section Measurements with the ATLAS Detector / Hawkes, CM (Birmingham U.)
ATLAS measurements of heavy flavour production cross sections are presented, from proton-proton collisions at the LHC at a centre-of-mass energy of 7 TeV. [...]
ATL-PHYS-PROC-2012-172. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2989.
W and Z properties and cross sections measured with ATLAS / Nagai, K (Tsukuba U.)
The paper presents W/Z properties and cross sections measured with the ATLAS detector. [...]
ATL-PHYS-PROC-2012-173. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2990.
Upgraded Readout Electronics for the ATLAS Liquid Argon Calorimeters at the High Luminosity LHC / Andeen, T (Columbia U.)
The ATLAS Liquid Argon (LAr) calorimeters produce a total of 182,486 signals which are digitized and processed by the front-end and back-end electronics at every triggered event. [...]
ATL-LARG-PROC-2012-006. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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2991.
Soft QCD in ATLAS / Sarkisyan-Grinbaum, E (Texas U. ; CERN)
We present the measurements of the inelastic and rapidity gap cross-sections, the underlying event with charged-particle jets, event shapes, transverse energy flow and different types of angular correlations in proton-proton collisions at centre-of-mass energies of $\sqrt{s} =0.9$ and 7 TeV, performed with the ATLAS detector at the Large Hadron Collider at CERN. [...]
ATL-PHYS-PROC-2012-174. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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2992.
Search for Higgs bosons decaying into tau leptons with ATLAS / Randle-Conde, AS (Southern Methodist U.)
In these proceedings the status of the searches for Higgs bosons decaying with τ leptons in the final state using the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2012-175. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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2993.
Measurement of the inclusive jet cross section in pp collisions at $\sqrt{s}=2.76$TeV and comparison to the inclusive jet cross section at $\sqrt{s}=7$TeV using the ATLAS detector
The inclusive jet cross section has been measured in proton-proton collisions at a centre-of-mass energy of $\sqrt{s} = 2.76$ TeV using the ATLAS detector at the Large Hadron Collider at CERN. [...]
ATLAS-CONF-2012-128. - 2012. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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2994.
Searches for long-lived, Exotic particles with the ATLAS detector / Marino, CP (Victoria U.)
Three recent searches for massive, exotic, long-lived particles are presented for 2011 LHC data using the ATLAS detector. [...]
ATL-PHYS-PROC-2012-176. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
2995.
Search for associated Higgs boson production with a W or Z boson and decaying to a bbar pair with the ATLAS detector / Pylypchenko, Y (Iowa State U.)
A summary of the ATLAS search for Higgs boson decaying into a pair of b-quarks and produced in association with W or Z boson is presented. [...]
ATL-PHYS-PROC-2012-177. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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2996.
Top quark production at ATLAS / Takahashi, Yuta (Nagoya U.)
We present measurements of the production of top quarks in proton-proton collisions at 7 TeV with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2012-178. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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2997.
Physics with tau lepton final states in ATLAS / Varouchas, D (LBNL, Berkeley)
Physics involving tau lepton signatures form an integral part of the ATLAS physics program. [...]
ATL-PHYS-PROC-2012-179. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
2998.
Performance, Operation and Detector Studies with the ATLAS Resistive Plate Chambers / Aielli, G (INFN, Rome2 ; Rome U.,Tor Vergata) ; Bindi, M (INFN, Bologna) ; Polini, A (INFN, Bologna)
Resistive Plate Chambers provide the barrel region of the ATLAS detector with an independent muon trigger and a two-coordinate measurement [...]
ATL-MUON-PROC-2012-006. - 2012.
Original Communication (restricted to ATLAS) - Full text - Full text
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2999.
Onia production at ATLAS / Matsushita, T (Kobe U.)
The production of charmonium product at LHC offers the opportunity to compare different theoretical frameworks. [...]
ATL-PHYS-PROC-2012-180. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3000.
Search for high-mass dilepton resonances in 6.1/fb of pp collisions at sqrt(s)= 8 TeV with the ATLAS experiment
The ATLAS detector is used to search for heavy neutral gauge bosons (Z′) decaying to an electron-positron pair or a muon-antimuon pair. [...]
ATLAS-CONF-2012-129. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3001.
Search for supersymmetry in events with four or more leptons and missing transverse momentum in p-p collisions at sqrt(s)=7 TeV with the ATLAS detector / Perez Codina, E (TRIUMF)
A search for supersymmetric particles in final states with four or more leptons is presented. [...]
ATL-PHYS-PROC-2012-181. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3002.
Status of the ATLAS Liquid Argon Calorimeter; Performance after 2 years of LHC operation / AbouZeid, H (Toronto U.)
The ATLAS experiment is designed to study the proton-proton collisions produced at the Large Hadron Collider(LHC) at CERN. [...]
ATL-LARG-PROC-2012-007. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3003.
SUSY and BSM Searches in ATLAS / Eifert, T (SLAC)
PLHC 2012 proceedings of the plenary presentation "SUSY and BSM Searches in ATLAS"..
ATL-PHYS-PROC-2012-182. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3004.
Tracking, vertexing and b-tagging performance at ATLAS / Strandberg, S (Stockholm U.)
Proceedings for tracking, vertexing and b-tagging talk at PLHC 2012..
ATL-PHYS-PROC-2012-183. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3005.
Highlights from the ATLAS Experiment / Seidel, S (New Mexico U.)
New results by the ATLAS experiment at the LHC in top quark studies, investigations of Standard Model processes, Higgs searches, and searches for phenomena beyond the Standard Model are presented..
ATL-PHYS-PROC-2012-184. - 2014. - 11 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3006.
Study of the ATLAS muon identification efficiency in the presence of high pile-up / Spearman, W (Harvard U., Phys. Dept.)
Di-muon decays of J/ψ mesons and Z bosons have been used to study the muon reconstruction efficiency versus eta and the muon isolation efficiency versus the number of reconstructed vertices in the ATLAS detector. [...]
ATL-MUON-PROC-2012-007. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3007.
Supersymmetry Searches in Final States with Three Leptons and Missing Transverse Momentum at ATLAS / King, S (British Columbia U. ; TRIUMF)
We present a search for supersymmetry in events with three electrons or muons and missing transverse momentum. [...]
ATL-PHYS-PROC-2012-185. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3008.
Combining b-tagging calibrations in ATLAS / Watts, G (Washington U., Seattle)
The ATLAS collaboration calibrates its b-tagging algorithms using a number of data-driven methods. [...]
ATL-PHYS-PROC-2012-186. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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3009.
A Search for oldmath{$tar{t}$} Resonances in the Dilepton Channel in 2.05 fb$^{-1}$ of oldmath{$pp$} collisions at $sqrt{s} = 7$ TeV with the ATLAS experiment / Petteni, M (Simon Fraser U.)
A search for top quark pair ttbar resonances in final states where both W bosons from the top quark decay into either an electron and electron-neutrino or a muon and muon-neutrino (dilepton final state) has been performed. [...]
ATL-PHYS-PROC-2012-187. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3010.
Search For Charged Higgs Bosons Decaying Via H+ -> tau nu in 7 TeV pp Collisions with the ATLAS Detector / Kopp, A (Freiburg U.)
This poster summarizes the searches for charged Higgs bosons using an integrated luminosity of up to 5/fb recorded with the ATLAS detector at the LHC at sqrt(s)=7 TeV centre-of-mass energy. [...]
ATL-PHYS-PROC-2012-188. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3011.
Search for exotic same-sign dilepton signatures (b' quark, T_{5/3} and four top quarks production) in 4.7/fb of pp collisions at sqrt{s}=7 TeV with the ATLAS detector
We present a search for exotic processes --- pair production of down-type heavy quarks (b'), single and pair production of heavy top quark partners (T_{5/3}), and production of events containing four top quarks (ttbarttbar) --- in pp collisions at sqrt{s}=7 TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2012-130. - 2012. - 18 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3012.
Measurement of the t-channel single top-quark production with the ATLAS detector / Becker, K (Bergische U., Wuppertal)
The electroweak production of singly produced top quarks at the LHC operating at a center of mass energy of sqrt(s) = 7 TeV is dominated by the t-channel exchange of a virtual W boson that is emitted by a light quark inside one of the colliding protons. [...]
ATL-PHYS-PROC-2012-189. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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3013.
Observation of a New Resonance at ATLAS / Boveia, A (Chicago U.)
With the LHC increasing collision energies to $\sqrt{s} = 8$~\tev and delivering luminosity more rapidly than ever, searches for Higgs-like particles at the ATLAS experiment have reached the sensitivities required to detect the Standard Model Higgs boson across a broad range of possible masses. [...]
ATL-PHYS-PROC-2012-190. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3014.
Search for a Light Higgs Boson at ATLAS / Masubuchi, T (Tokyo U., ICEPP)
ATL-PHYS-PROC-2012-191. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3015.
Measurement of the top quark pair production cross-section with ATLAS in $pp$ collisions at $\sqrt{s}=7$ TeV in the single-lepton channel using semileptonic $b$ decays
The cross section for top quark pair production in $pp$ collisions at $\sqrt{s} = 7 $TeV is measured using data recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2012-131. - 2012. - 24 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3016.
Measurement of t-Channel Single Top-Quark Production in pp Collisions at sqrt(s) = 8 TeV with the ATLAS detector
We present a measurement of the $t$-channel single-top quark production cross-section in the lepton+jets channel with 5.8 fb$^{-1}$ of $\sqrt{s}$ = 8 TeV $pp$ collision data, taken with the ATLAS detector in 2012, using a neural network based discriminant. [...]
ATLAS-CONF-2012-132. - 2012.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3017.
Measurement of top quark polarisation in $t\bar{t}$ events with the ATLAS detector in proton-proton collisions at $\sqrt{s}=7\, \mathrm{TeV}$
This note presents a measurement of the top quark polarisation in $t\bar{t}$ events using the lepton plus jets final state, where one $W$ boson decays leptonically and the other hadronically. [...]
ATLAS-CONF-2012-133. - 2012. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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3018.
Performance Specifications of the Tracker Phase II Upgrade / Clark, A (Geneva U.) ; Elsing, M (CERN) ; Wells, P (CERN)
This document aims to summarize the performance specifications of the proposed Inner Tracker (ID) for the ATLAS Phase II Upgrade. [...]
ATL-UPGRADE-PUB-2012-003. - 2012. - 13 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3019.
Combination of ATLAS and CMS top-quark pair cross section measurements using up to 1.1 fb-1 of data at 7 TeV
A combination of top-quark pair production cross-section measurements at a centre-of-mass energy of 7 TeV performed by the ATLAS and CMS experiments at the LHC is presented. [...]
ATLAS-CONF-2012-134. - 2012.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3020.
Search for the Standard Model Higgs boson produced in association with top quarks in proton-proton collisions at √s = 7 TeV using the ATLAS detector
A search for a Higgs boson produced in association with a pair of top quarks ($t\bar{t}H$) and decaying into a pair of bottom quarks ($H\to b\bar{b}$) is presented [...]
ATLAS-CONF-2012-135. - 2012. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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3021.
The ATLAS Tile Hadronic Calorimeter performance at the LHC / Francavilla, P (Barcelona, IFAE)
The Tile Calorimeter (TileCal), the central section of the hadronic calorimeter of the ATLAS experiment, is a key detector component to detect hadrons, jets and taus and to measure the missing transverse energy. [...]
ATL-TILECAL-PROC-2012-008. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3022.
Vector boson pair production and anomalous couplings at the LHC / Le Menedeu, E (Barcelona, IFAE)
The dibosons measurements performed by ATLAS and CMS using the 7 TeV LHC data recorded in 2010 and 2011 are presented. [...]
ATL-PHYS-PROC-2012-192. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3023.
W/Z + jet Production at the LHC / Hesketh, G (University Coll. London)
This paper summarises the results on W and Z plus jet production at the CERN Large Hadron Collider, from both the ATLAS and CMS experiments. [...]
ATL-PHYS-PROC-2012-193. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3024.
Measurement of the distributions of event-by-event flow harmonics in Pb-Pb Collisions at $\sqrt{s_{\mathrm{NN}}}$=2.76 TeV with the ATLAS detector / Jia, J (SUNY ; Brookhaven)
The event-by-event distributions of harmonic flow coefficients $v_n$ for $n$=2--4 are measured in Pb-Pb collisions at $\sqrt{s_{NN}}=2.76$ TeV, using charged particles with $p_T> 0.5$ GeV and $|\eta|<2.5$. [...]
ATL-PHYS-PROC-2012-194. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3025.
Data Quality system of the ATLAS hadronic Tile calorimeter / Nemecek, S (ASCR, Prague)
The Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2012-009. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3026.
Particle Production and Diffraction in ATLAS / Robinson, JEM (Manchester U.)
The ATLAS collaboration has measured a wide range of properties of soft particle production. [...]
ATL-PHYS-PROC-2012-195. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3027.
Searches for Exotics physics states in jets and boosted objects final states at ATLAS / Aperio Bella, L (Annecy, LAPP)
We present searches for new particles decaying to jets and boosted objects final states using data collected in 7 TeV LHC proton-proton collisions with the ATLAS detector. [...]
ATL-PHYS-PROC-2012-196. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3028.
Inclusive searches for supersymmetric signatures with the ATLAS detector / Kajomovitz, E (Technion)
A brief sumary of recent results on inclusive searches for supersymmetry and of searches for SUSY signatures involving long-lived massive particles is presented. [...]
ATL-PHYS-PROC-2012-197. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3029.
4th generation searches at ATLAS / Wendland, D (Humboldt U., Berlin (main))
Four analyses with searches for heavy quarks of a 4th generation are presented. [...]
ATL-PHYS-PROC-2012-198. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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3030.
W, Z and Diboson physics at ATLAS / Edwards, N (Glasgow U.)
A summary of recent results from the ATLAS experiment at the LHC in the field of W Z and diboson physics is presented. [...]
ATL-PHYS-PROC-2012-199. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3031.
Hard And Soft QCD Physics In ATLAS / Adomeit, S (LMU Munich)
Hard and soft QCD results using proton-proton collisions recorded with the ATLAS detector at the LHC are reported. [...]
ATL-PHYS-PROC-2012-200. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3032.
New Physics Searches with ATLAS / Mete, A S (UC, Irvine)
Highlights from new physics searches with the ATLAS detector at the CERN Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2012-201. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3033.
A search for ttbar resonances in the lepton plus jets final state using 4.66 fb^-1 of pp collisions at sqrt(s) = 7 TeV
A search for new particles that decay into ttbar pairs is performed with the ATLAS experiment at the LHC using 4.66 fb^-1 of data collected at 7 TeV. [...]
ATLAS-CONF-2012-136. - 2012.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3034.
Measurements of the Z boson in lepton pair decays in heavy ion collisions at ATLAS / Pozdnyakov, V (Dubna, JINR)
Measurement of Z boson production in Pb + Pb collisions at √ s NN = 2.76 TeV with the ATLAS detector, obtained for approximately 0.15 nb − 1 data collected in 2011 LHC run is presented. [...]
ATL-PHYS-PROC-2012-202. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3035.
Measurement of high $p_T$ isolated prompt photons in lead-lead collisions at $\sqrt{s_NN}$=2.76 TeV with the ATLAS detector at the LHC / Steinberg, Peter (Brookhaven)
Prompt photons are a powerful tool to study heavy ion collisions. [...]
arXiv:1209.4910 ; ATL-PHYS-PROC-2012-203. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext
  Detailed record Copy itemCopy item
3036.
Calorimeter Performance for Tau Reconstruction and Identification at ATLAS / Volpi, M (Melbourne U.)
The ATLAS tau physics program ranges from Standard Model measurements involving W, Z, and top pair production, to searches for Higgs, Supersymmetry and other beyond the Standard Model signatures. [...]
ATL-PHYS-PROC-2012-204. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3037.
Open heavy flavor production via semi-leptonic decayed muons in Pb+Pb collisions at √sNN = 2.76 TeV with the ATLAS detector at the LHC / Yujiao, C
Measurements of heavy quark production and suppression in ultra-relativistic nuclear collisions probe the inter- actions of heavy quarks with the hot, dense medium created in the collisions. [...]
ATL-PHYS-PROC-2012-205. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3038.
Anomalous creation and decay of top quarks / Hasegawa, S (Nagoya U.)
Due to the top quark’s mass of 173.5 GeV/c2 which is around the energy scale of the spon- taneous symmetry breaking, appearance of new physics can be expected in its production and decay as an anomaly from the standard model expectation. [...]
ATL-PHYS-PROC-2012-206. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3039.
Search for Single Production of Vector-like Quarks Coupling to Light Generations in $4.64~ifb$ of Data at $sqrt{s}=7$~TeV
This analysis presents a search for singly-produced vector-like quarks (VLQs) coupling to light quark generations in events with a $W$ or $Z$ boson produced in association with two or more high transverse momentum jets. [...]
ATLAS-CONF-2012-137. - 2012.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3040.
Light-quark and Gluon Jets: Calorimeter Response, Jet Energy Scale Systematics and Properties
The calorimeter response to jets depends on how the jet fragments. [...]
ATLAS-CONF-2012-138. - 2012.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3041.
Search for Majorana neutrino production in pp collisions at sqrt(s)=7 TeV in dimuon final states with the ATLAS detector
A search for a heavy Majorana neutrino decaying into a W boson and a muon has been performed using the ATLAS detector at the LHC. [...]
ATLAS-CONF-2012-139. - 2012.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3042.
CP violation Measurements with the ATLAS Detector / Kneringer, E (Innsbruck U.)
The ATLAS experiment at the Large Hadron Collider measures CP violation in the neutral Bs meson system through the exclusive decay Bs to J/psi phi by analysing time dependent angular correlations of the final state. [...]
ATL-PHYS-PROC-2012-207. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3043.
b-phsics with ATLAS and CMS / Oakes, L (LMU Munich)
The ATLAS and CMS b-physics programmes are summarised after nearly two years of data taking. [...]
ATL-PHYS-PROC-2012-208. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3044.
Search for supersymmetric particles using final state with one lepton, jets and missing transverse momentum with ATLAS detector / Sasaki, Y (Tokyo U.)
A search for supersymmetric particles using final states with one lepton, jets and a large missing momentum is presented. [...]
ATL-PHYS-PROC-2012-209. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3045.
Measurement of Top Quark Properties at the ATLAS experiment / Knue, A (Gottingen U., II. Phys. Inst.)
Since the start of the LHC physics programme in 2009, a huge number of top quarks have been produced in collisions and recorded by the experiments. [...]
ATL-PHYS-PROC-2012-210. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3046.
An upgraded ATLAS Central Trigger for post-2014 LHC luminosities / Anders, G (CERN ; Heidelberg U.) ; Berge, D (CERN) ; Bertelsen, H (Bohr Inst.) ; Childers, T (CERN) ; Dam, M (Bohr Inst.) ; Dobson, E (CERN) ; Ellis, N (CERN) ; Farthouat, P (CERN) ; Gabaldon, C (CERN) ; Gorini, B (CERN) et al.
During 2011, the LHC reached instantaneous luminosities of 6.7 · 10^33 cm−2s−1 and produced events with up to 40 interactions per colliding proton bunch. [...]
ATL-DAQ-PROC-2012-049. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3047.
Track and Vertex Reconstruction in the ATLAS Experiment / Lacuesta, V (Valencia U., IFIC)
The track and vertex reconstruction algorithms of the ATLAS Inner Detector have demonstrated excellent performance in the early data from the LHC. [...]
ATL-INDET-PROC-2012-015. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3048.
Measurements of jet quenching and heavy flavor production with the ATLAS detector / Angerami, Aaron (Columbia U.)
Measurements of jet suppression in PbPb collisions by the ATLAS Collaboration are reported. [...]
arXiv:1210.0138 ; ATL-PHYS-PROC-2012-211 ; ATL-COM-PHYS-2012-1427. - 2013. - 8 p.
Fulltext - Preprint - Full text - Full text - Fulltext
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3049.
ATLAS Distributed Computing Automation / Schovancova, J (Prague, Inst. Phys.) ; Barreiro Megino, F H (CERN) ; Borrego, C (Madrid Autonoma U.) ; Campana, S (CERN) ; Di Girolamo, A (CERN) ; Elmsheuser, J (LMU Munich) ; Hejbal, J (Prague, Inst. Phys.) ; Kouba, T (Prague, Inst. Phys.) ; Legger, F (LMU Munich) ; Magradze, E (Gottingen U.) et al.
The ATLAS Experiment benefits from computing resources distributed worldwide at more than 100 WLCG sites. [...]
ATL-SOFT-PROC-2012-067. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3050.
ATLAS Silicon Microstrip Tracker Operation and Performance / Chalupkova, I (Charles U.)
The Semi-Conductor Tracker (SCT) is a silicon strip detector and one of the key precision tracking devices in the Inner Detector (ID) of the ATLAS experiment at CERN LHC. [...]
ATL-INDET-PROC-2012-016. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3051.
The ATLAS hadronic tau trigger / Radloff, P (Oregon U.)
With the high luminosities of proton-proton collisions achieved at the LHC, the strate- gies for triggering have become more important than ever for physics analysis. [...]
ATL-DAQ-PROC-2012-050. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3052.
Performance of Missing Transverse Momentum Reconstruction in ATLAS with Proton-Proton Collisions at sqrt(s)=7 TeV / Vichou, I (Illinois U.)
The performance of the missing transverse momentum reconstruction in the ATLAS detector is evaluated using data collected in proton-proton collisions at a centre-of-mass energy of 7 TeV in 2010. [...]
ATL-PHYS-PROC-2012-212. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3053.
Flavour Physics Results from ATLAS / Bona, M (Queen Mary, U. of London)
We present here a selection of B-physics results from the ATLAS experiment taking data at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2012-213. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3054.
Final Report: ATLAS Phase-2 Tracker Upgrade Layout Task Force / Clark, A ; Elsing, M ; Hessey, N ; Mättig, P ; Styles, N ; Wells, P ; Burdin, S ; Cornelissen, T ; Todorov, T ; Vankov, P et al.
he mandate of the Upgrade Layout Task Force was to develop a benchmark layout proposal for the ATLAS Phase-2 Upgrade Letter of Intent (LOI), due in late 2012. [...]
ATL-UPGRADE-PUB-2012-004. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3055.
Highlights from SUSY searches with ATLAS / Mitsou, Vasiliki A. (Valencia U., IFIC)
Supersymmetry (SUSY) is one of the most relevant scenarios of new physics searched by the ATLAS experiment at the CERN Large Hadron Collider. [...]
arXiv:1210.1679 ; ATL-PHYS-PROC-2012-214 ; ATL-PHYS-PROC-2012-214. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Preprint - Fulltext
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3056.
Advancements in Big Data Processing in the ATLAS and CMS Experiments / Vaniachine, A.V. (Argonne (main)) ; ATLAS, on behalf of the
The ever-increasing volumes of scientific data present new challenges for distributed computing and Grid technologies. [...]
arXiv:1303.1950 ; ANL-HEP-CP-12-77 ; ATL-SOFT-PROC-2012-068 ; ATL-COM-SOFT-2012-158 ; ANL-HEP-CP-12-77; ATL-SOFT-PROC-2012-068 ; ANL-HEP-CP-12-77 ; ATL-SOFT-PROC-2012-068. - 2012. - 7 p.
Preprint - Full text - Full text
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3057.
Search for supersymmetry at $sqrt{s} = 7$~TeV~in final states with large jet multiplicity, missing transverse momentum and one isolated lepton with the ATLAS detector
This note presents an inclusive search for supersymmetry (SUSY) by the ATLAS experiment at the LHC in proton-proton collisions at a center-of-mass energy $\sqrt{s} = 7$~\TeV~ in final states with seven or more jets, missing transverse momentum and one isolated electron or muon. [...]
ATLAS-CONF-2012-140. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3058.
Study of alignment-related systematic effects on the ATLAS Inner Detector tracking
We present first results on systematic effects to the ATLAS Inner Detector tracking associated with alignment. [...]
ATLAS-CONF-2012-141. - 2012. - 38 p.
Original Communication (restricted to ATLAS) - Full text
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3059.
Overview of the ATLAS Insertable B-Layer (IBL) Project / Djama, F (Marseille, CPPM)
The upgrades for the ATLAS Pixel Detector will be staged in preparation for high luminosity LHC. [...]
ATL-UPGRADE-PROC-2012-004. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3060.
Search for third generation squarks with the ATLAS detector / Lungwitz, M (Mainz U.)
The results of different searches for third generation squarks are reported based on an integrated luminosity of up to 4.7 fb-1 of pp collisions at 7 TeV recorded with the ATLAS detector at the LHC in 2011. [...]
ATL-PHYS-PROC-2012-215. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
3061.
Flow and Correlations in Pb-Pb Collisions at $sqrt{s_{NN}}$ = 2.76 TeV with the ATLAS Detector at the LHC / Trzupek, A (Cracow, INP)
Recent measurements from the ATLAS experiment of the azimuthal anisotropy of hadron production in the relativistic Pb-Pb collisions at the Large Hadron Collider (LHC) are presented. [...]
ATL-PHYS-PROC-2012-216. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3062.
Silicon Strip Detectors for ATLAS at the HL-LHC Upgrade / Hara, K (Tsukuba U.) ; Ikegami, Y (KEK, Tsukuba)
present ATLAS silicon strip tracker (SCT) and transition radiation tracker(TRT) are to be replaced with new silicon strip detectors as part of the Inner Tracker System (ITK) for the Phase-II upgrade of the Large Hadron Collider, HL-LHC. [...]
ATL-UPGRADE-PROC-2012-005. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3063.
Summary of non-SM Higgs boson searches at the LHC / Davey, W E (Bonn U.)
A review of searches for non-Standard Model Higgs bosons conducted at the Large Hadron Collider is presented. [...]
ATL-PHYS-PROC-2012-217. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3064.
Results on QCD jet production at ATLAS and CMS / Meyer, Chris (Chicago U.)
The production of jets at the Large Hadron Collider (LHC) at sqrt(s)=7 TeV is summarized, including results from both the ATLAS and CMS detectors. [...]
arXiv:1310.2946 ; ATL-COM-PHYS-2012-1454 ; ATL-PHYS-PROC-2012-218. - 2013. - 4 p.
Fulltext - Full text
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3065.
Search for SUSY at the LHC using the ETmiss signature / Janus, M (Fribourg U.)
In this paper, a selection of current searches for supersymmetric particles in proton-proton collisions at the LHC at sort(s) 7 TeV, with the ATLAS and CMS detectors is presented. [...]
ATL-PHYS-PROC-2012-219. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3066.
Observation of an excess of events in the Higgs boson search in ATLAS / Harrington, R D (Edinburgh U.)
A preliminary combined search for the Standard Model Higgs boson with the ATLAS experiment at the LHC is presented. [...]
ATL-PHYS-PROC-2012-220. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3067.
Results on SM Higgs boson searches at low mass from ATLAS / Anastopoulos, C (CERN)
The Standard Model Higgs boson searches at low mass with the ATLAS experiment, in a dataset corresponding to an integrated luminosity of 4.6 to 4.9 fb1 of pp collision data collected at sqrts = 7 TeV at the LHC, are presented. [...]
ATL-PHYS-PROC-2012-221. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3068.
Measurement of event plane correlations in Pb-Pb collisions with the ATLAS detector / Mohapatra, S (SUNY, Stony Brook)
Recently harmonic flow coefficients $v_1-v_6$ have been measured in heavy-ion collisions at LHC. [...]
ATL-PHYS-PROC-2012-222. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3069.
Recent Heavy Flavour Results from ATLAS / Bona, M (Queen Mary, U. of London)
We present here a selection of B-physics results from the ATLAS experiment taking data at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2012-223. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3070.
Physics at a High-Luminosity LHC with ATLAS (Update) / ATLAS-collaboration, The
The physics accessible at the high-luminosity phase of the LHC extends well beyond that of the earlier LHC programme. [...]
ATL-PHYS-PUB-2012-004. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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3071.
ATLAS results from lead-lead collisions at sqrt(sNN) = 2.76 TeV / Wosiek, B (Cracow, INP)
An overview of the recent results on particle production in lead-lead collisions at sqrt(sNN) = 2.76 TeV obtained with the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2012-224. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3072.
Measurement of elliptic and higher-order flow harmonics at 2.76 TeV Pb-Pb collisions with the ATLAS detector / Derendarz, D (Cracow, INP)
Anisotropy coefficients $v_n$ are important observables for studying the hot and dense medium created in heavy ion collisions. [...]
ATL-PHYS-PROC-2012-225. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3073.
Measurement of Isolated Direct Photons in Lead-Lead Collisions at √sNN = 2.76 TeV with the ATLAS Detector / Grabowska-Bold, I (AGH-UST, Cracow)
Direct photons are a powerful tool to study heavy ion collisions. [...]
ATL-PHYS-PROC-2012-226. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3074.
Performance of the Reconstruction and Identification of Hadronic Tau Decays in ATLAS with 2011 Data
This note describes updates to the reconstruction and identification algorithms developed to efficiently select hadronically decaying τ leptons (τ_had-vis) in ATLAS. [...]
ATLAS-CONF-2012-142. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3075.
The evolution and performance of the ATLAS calorimeter-based triggers in 2011 and 2012 / Hristova, I
In 2011 the ATLAS detector at the LHC collected approximately 5fb-1 of proton-proton collision data at a centre of mass energy of 7TeV. [...]
ATL-DAQ-PROC-2012-051. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3076.
Measurements of Elliptic Flow with the ATLAS Detector / Bold, T (AGH-UST, Cracow)
The measurement of the azimuthal anisotropy of charged particles obtained with the multi-particle correlations method is presented and compared to the results obtained with the event plane method for Pb+Pb collisions at 2.76$!$ TeV from the ATLAS experiment. [...]
ATL-PHYS-PROC-2012-227. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3077.
Heavy Ion Physics Highlights from ATLAS / Citron, Z (Weizmann Inst.)
An overview of the ATLAS results from Pb+Pb collisions at \energy\ will be presented. [...]
ATL-PHYS-PROC-2012-228. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text - EDP Sciences Open Access article
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3078.
Spectra and nuclear modification factor of charged hadrons produced in lead-lead collisions at $\sqrt{s_{NN}}$=2.76TeV with the ATLAS detector at the LHC / Balek, Petr (Charles U.)
The measurement of charged particle spectra in heavy ion collisions is a direct way to study properties of hot and dense matter created in these interactions. [...]
arXiv:1302.3424 ; ATL-PHYS-PROC-2012-229 ; ATL-COM-PHYS-2012-1487. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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3079.
Jets in ATLAS / Spousta, M (Columbia U.)
The energy loss of high-$p_{T} partons through the phenomenon of jet quenching provides insight into the transport properties of the medium created in relativistic heavy ion collisions. [...]
ATL-PHYS-PROC-2012-230. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3080.
Measurement of muon tagged open heavy flavor production in Pb+Pb collisions at 2.76 TeV with ATLAS / Perepelitsa, D V (Columbia U.)
Heavy flavor quarks are an important probe with which to study the hot, dense medium produced in heavy ion collisions. [...]
ATL-PHYS-PROC-2012-231. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3081.
Jet fragmentation and jet properties in $sqrt{s_{NN}} = 2.76$~TeV Pb+Pb collisions using the ATLAS Detector at LHC / Rybar, M (Charles U., Prague)
The recent measurements of jet suppression at LHC indicate a presence of "jet quenching", strong energy loss of energetic jets in hot and dense QCD medium which has been already observed at RHIC experiments. [...]
ATL-PHYS-PROC-2012-232. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3082.
Diffraction and rapidity gap measurements with the ATLAS detector / Bernat, P (University Coll. London)
These proceedings report of two measurements performed with the ATLAS detector. [...]
ATL-PHYS-PROC-2012-233. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3083.
Electron and Photon Performance Measurements with the ATLAS Detector / Tsionou, D (Sheffield U. ; Annecy, LAPP)
At LHC, excellent particle reconstruction and identification is needed for electrons and photons. [...]
ATL-PHYS-PROC-2012-234. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3084.
Measurements of Jet Suppression with ATLAS / Angerami, A (Columbia U.)
Measurements of inclusive jet suppression in PbPb collions at $sqrtsnn=2.76$~TeV with the ATLAS detector are reported. [...]
ATL-PHYS-PROC-2012-235. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3085.
Study of correlations between neutral bosons and jets in lead-lead collisions at 2.76 TeV with the ATLAS detector / Citron, Z (Weizmann Inst.)
The correlations of jets with neutral bosons is a particularly powerful tool to probe the underlying physics of jet quenching. [...]
ATL-PHYS-PROC-2012-236. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3086.
ATLAS Level-1 Calorimeter Trigger Upgrade for Phase-I / Qian, W (Rutherford)
The ATLAS Level-1 Trigger requires several upgrades to maintain physics sensitivity as the LHC luminosity is raised. [...]
ATL-DAQ-PROC-2012-052. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3087.
Spin Correlation and W Helicity in Top Events with ATLAS / Juengst, M (CERN)
In 7 TeV proton-proton collisions at the LHC, pairs of top and anti-top quarks are expected to be mostly produced through gluon fusion, in contrast to production at the Tevatron, where quark annihilation dominates. [...]
ATL-PHYS-PROC-2012-237. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3088.
Instrumentation of a Level-1 Track Trigger at ATLAS with Double Buffer Front-End Architecture / Cooper, B (University Coll. London)
Around 2021 the Large Hadron Collider will be upgraded to provide instantaneous luminosities 5x10^34, leading to excessive rates from the ATLAS Level-1 trigger. [...]
ATL-UPGRADE-PROC-2012-006. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3089.
The upgrade of the PreProcessor system of the ATLAS level-1 calorimeter trigger / Andrei, V (Kirchhoff Inst. Phys.)
The ATLAS Level-1 Calorimeter Trigger is a pipelined system to identify high-pT objects and to build energy sums within a fixed latency of ~2 us. [...]
ATL-DAQ-PROC-2012-053. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3090.
The Upgrade of the ATLAS Level-1 Central Trigger Processor / for the ATLAS collaboration
The ATLAS Level-1 Central Trigger Processor (CTP) combines information from calorimeter and muon trigger processors as well as other sources and makes the final Level-1 Accept (L1A) decision. [...]
ATL-DAQ-PROC-2012-054. - 2013.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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3091.
Photon and Z (+ jet) production in lead-lead collisions with ATLAS / Steinberg, P (Brookhaven)
ATLAS results on the production of photons and $Z$ bosons are presented. [...]
ATL-PHYS-PROC-2012-238. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3092.
A Fast Hardware Tracker for the ATLAS Trigger System / Kimura, N (Waseda U.)
Selecting interesting events with triggering is very challenging at the LHC due to the busy hadronic environment. [...]
ATL-DAQ-PROC-2012-055. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3093.
ATLAS Silicon Microstrip Tracker Operation and Performance / Nagai, K (Tsukuba U.)
The Semi-Conductor Tracker (SCT) is one of the key precision tracking devices in the ATLAS experiment at CERN Large Hadron Collider (LHC). [...]
ATL-INDET-PROC-2012-017. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3094.
An FPGA based topological processor prototype for the ATLAS Level-1 trigger upgrade / Bauss, B (Mainz U., Inst. Phys.) ; Buescher, V (Mainz U., Inst. Phys.) ; Degele, R (Mainz U., Inst. Phys.) ; Ji, W (Mainz U., Inst. Phys.) ; Moritz, S (Mainz U., Inst. Phys.) ; Reiss, A (Mainz U., Inst. Phys.) ; Schaefer, U (Mainz U., Inst. Phys.) ; Simioni, E (Mainz U., Inst. Phys.) ; Tapprogge, S (Mainz U., Inst. Phys.) ; Wenzel, V (Mainz U., Inst. Phys.)
By 2014 the LHC will collide proton bunches at 14TeV with an increased instantaneous luminosity up to 3·10³⁴cm⁻²s⁻¹. [...]
ATL-DAQ-PROC-2012-056. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3095.
Measurement of the top-quark pair production cross-section using final states with an electron or a muon and a hadronically decaying tau-lepton / Takahashi, Yuta (Nagoya U.)
A measurement of the top-quark pair production cross-section is reported using proton-proton collision data at ¥sqrt{s} = 7 TeV accumulated by ATLAS detector at the Large Hadron Collider experiment. [...]
ATL-PHYS-PROC-2012-239. - 2014. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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3096.
The ATLAS Pixel nSQP Readout Chain / Welch, S (Oklahoma State U.) ; Dopke, J (CERN)
The ATLAS Pixel New Service Quarter Panel (nSQP) project aims to deliver replacements for all on-detector services of the ATLAS Pixel Detector. [...]
ATL-INDET-PROC-2012-018. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3097.
Characterization of the FE-I4B pixel readout chip production run for the ATLAS Insertable B-layer upgrade / Backhaus, M. (Bonn U.)
The Insertable B-layer (IBL) is a fourth pixel layer that will be added inside the existing ATLAS pixel detector during the long LHC shutdown of 2013 and 2014. [...]
arXiv:1304.4424 ; ATL-INDET-PROC-2012-019. - 2013. - 15 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - IOP Open Access article - Full text
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3098.
Development and Implementation of Optimal Filtering in a Virtex FPGA for the Upgrade of the ATLAS LAr Calorimeter Readout / Stärz, S (Dresden, Tech. U.)
In the context of upgraded read-out systems for the Liquid-Argon Calorimeters of the ATLAS detector, modified front-end, back-end and trigger electronics are foreseen for operation in the high-luminosity phase of the LHC. [...]
ATL-LARG-PROC-2012-008. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3099.
Status of the ATLAS Pixel Detector at the LHC and its performance after three years of operation / Andreazza, A (INFN, Milan ; Milan U.)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experi- ment at the Large Hadron Collider at CERN, providing high-resolution mea- surements of charged particle tracks in the high radiation environment close to the collision region. [...]
ATL-INDET-PROC-2012-020. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3100.
Off-line time calibration of the ATLAS RPC system / Chiodini, G (INFN, Lecce) ; Spagnolo, S (Salento U. ; INFN, Lecce)
Resistive Plate Chambers (RPC's), operated in saturated avalanche regime, are used in the Muon Spectrometer of the ATLAS experiment to produce the first level of the muon trigger in the central region, $|eta| <$ 1.05. [...]
ATL-MUON-PROC-2012-008. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3101.
Neural network based cluster creation in the ATLAS silicon Pixel Detector / Perez Cavalcanti, T (DESY)
The hit signals read out from pixels on planar semi-conductor sensors are grouped into clusters, to reconstruct the location where a charged particle passed through. [...]
ATL-INDET-PROC-2012-021. - 2012. - 416 p.
Original Communication (restricted to ATLAS) - Full text
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3102.
Testing and firmware development for the ATLAS IBL BOC prototype / Wensing, M (Bergische U., Wuppertal) ; Flick, T (Bergische U., Wuppertal) ; Mättig, P (Bergische U., Wuppertal) ; Kugel, A (Heidelberg U.) ; Schroer, N (Heidelberg U.) ; Krieger, N (Gottingen U.) ; Grosse-Knetter, J (Gottingen U.) ; Gabrielli, A (INFN, Bologna) ; Polini, A (INFN, Bologna) ; Falchieri, D (INFN, Bologna) et al.
For the coming upgrade of the ATLAS pixel detector at CERN a redesign of the current data readout is necessary. [...]
ATL-INDET-PROC-2012-022. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3103.
Neural network based cluster creation in the ATLAS Pixel Detector / Andreazza, A (Milan U. ; INFN, Milan)
The read-out from individual pixels on planar semi-conductor sensors are grouped into clusters to reconstruct the location where a charged particle passed through the sensor. [...]
ATL-PHYS-PROC-2012-240. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3104.
Reconstruction of collinear final-state-radiation photons in Z decays to muons in sqrt{s}=7 TeV proton-proton collisions.
This note presents a method for including the collinear final-state-radiation photons in the reconstruction of Z bosons decaying into pairs of muons (Z to mu mu gamma). [...]
ATLAS-CONF-2012-143. - 2012. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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3105.
Jet and missing transverse momentum trigger improvements for supersymmetry signatures in 2012 with the ATLAS detector / Sfyrla, A (CERN)
In 2012, the LHC has been operating at a higher center-of-mass energy and higher instantaneous luminosity, compared to 2011, providing the experiments with unprecedented amounts of hadron collision data. [...]
ATL-DAQ-PUB-2012-002. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3106.
Search for resonant diboson production with the ATLAS detector / Zevi Della Porta, G (Harvard U.)
The study of electroweak boson pair production can be used to search for phenomena beyond the Standard Model, and heavy particles decaying to gauge boson pairs are predicted by many scenarios of new physics. [...]
ATL-PHYS-PROC-2012-241. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3107.
ATLAS Experiment Overview and Higgs Searches / Hawkings, R (CERN)
This document presents an overview of the status of the ATLAS experiment at the CERN Large Hadron Collider at the time of the July 2012 ICHEP conference in Melbourne, with a strong focus on the Standard Model Higgs search. [...]
ATL-PHYS-PROC-2012-242. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3108.
Overview of the ATLAS Insertable B-Layer (IBL) Project / Giordani, M (Udine U. ; INFN, Trieste)
The upgrades for the ATLAS Pixel Detector will be staged in preparation for high luminosity LHC. [...]
ATL-INDET-PROC-2012-023. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3109.
Upgrade project and plans for the ATLAS detector and first level trigger / della Volpe, D (Naples U.)
In the coming years, the LHC complex will be upgraded to extend the physics potential of the experiments. [...]
ATL-DAQ-PROC-2012-057. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3110.
The ATLAS Muon Trigger Performance in pp collisions / Kubota, T (Melbourne U.)
Events with muons in the final state are an important signature for many physics topics at Large Hadron Collider (LHC), for instance, searches for Higgs boson production or new phenomena, measurements on the standard model processes like top-quark, W, Z production. [...]
ATL-DAQ-PROC-2012-058. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3111.
Quality Assurance and Functionality Tests on Electrical Components during the ATLAS IBL Production / Jentzsch, J (Dortmund U. ; CERN)
To improve performance of the ATLAS inner tracker, a fourth Pixel layer, called the Insertable B-layer (IBL), will be installed in 2014 on a new beam pipe. [...]
ATL-INDET-PROC-2012-024. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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3112.
Searches for new Physics in multileptons or like-sign leptons with the ATLAS detector / Lytken, E (Lund U.)
Events containing several leptons or two like-sign leptons are rarely produced in the Standard Model (SM), but occur with an enhanced rate in many models of new physics [...]
ATL-PHYS-PROC-2012-243. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3113.
Overview of the ATLAS Insertable B-Layer (IBL) Project / Rohne, O (Oslo U.)
The upgrades for the ATLAS Pixel Detector will be staged in preparation for high luminosity LHC. [...]
ATL-INDET-PROC-2012-025. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3114.
A new portable test bench for the ATLAS Tile Calorimeter front-end electronics / Moreno, P (Valencia U.) ; Alves, J (LIP, Lisbon) ; Calvet, D (Clermont-Ferrand U.) ; Carrio, F (Valencia U.) ; Crouau, M (Clermont-Ferrand U.) ; Hee Yeun, K (Texas U., Arlington) ; Minashvili, I (Dubna, JINR) ; Nemececk, S (ASCR, Prague) ; Quin, G (Valencia U., IFIC) ; Schettino, V (Juiz de Fora U.) et al.
This paper describes a new portable test bench for the TileCal sub-detector of the ATLAS experiment at CERN. [...]
ATL-TILECAL-PROC-2012-010. - 2012. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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3115.
Supersymmetry Searches at the LHC / de Jong, Paul (NIKHEF, Amsterdam)
Recent results in the search for supersymmetry in pp collisions at $\sqrt{s}$ = 7 TeV and $\sqrt{s}$ = 8 TeV by the ATLAS and CMS experiments at the LHC are reviewed. [...]
arXiv:1211.3887 ; ATL-PHYS-PROC-2012-244. - 2013. - 13 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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3116.
Top Quark Production at the LHC / Veloso, F (LIP, Coimbra)
Measurements of top quark production at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2012-245. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3117.
Implementation and Tests of FPGA-embedded PowerPC in the control system of the ATLAS IBL ROD card / Balbi, G (INFN, Bologna) ; Bindi, M (INFN, Bologna) ; Falchieri, D (INFN, Bologna ; Bologna U.) ; Gabrielli, A (INFN, Bologna ; Bologna U.) ; Furini, M (INFN, Bologna) ; Kugel, A (Heidelberg U.) ; Travaglini, R (INFN, Bologna) ; Wensing, M (Wuppertal U.)
The Insertable B-layer project is planned for the upgrade of the ATLAS experiment at LHC. [...]
ATL-INDET-PROC-2012-026. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3118.
Search for supersymmetry in events with at least one photon, one lepton, and large missing transverse momentum in proton--proton collision at a center-of-mass energy of 7 TeV with the ATLAS detector
A search for supersymmetry in events with at least one photon, one electron or muon, and large missing transverse momentum has been performed using up to \integLumie of proton--proton collision data at sqrt{s} = 7 TeV recorded in 2011 with the ATLAS detector. [...]
ATLAS-CONF-2012-144. - 2012. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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3119.
Search for gluino pair production in final states with missing transverse momentum and at least three b-jets using 12.8 fb-1 of pp collisions at sqrt(s) = 8 TeV with the ATLAS Detector.
The results of a search for gluino pair production with multi-$b$-jets final states in 12.8 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=8$~TeV using the ATLAS detector at the LHC are reported. [...]
ATLAS-CONF-2012-145. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3120.
Search for excited electrons and muons with 13 fb$^{-1}$ of proton--proton collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
The ATLAS detector at the LHC is used to search for excited leptons in the electromagnetic radiative decay channel $\ell^*\rightarrow \ell\gamma$. [...]
ATLAS-CONF-2012-146. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3121.
Search for New Phenomena in Monojet plus Missing Transverse Momentum Final States using 10fb-1 of pp Collisions at sqrt{s}=8 TeV with the ATLAS detector at the LHC
We report preliminary results on a search for new phenomena in monojet plus large missing transverse momentum final states. [...]
ATLAS-CONF-2012-147. - 2012. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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3122.
Search for New Phenomena in the Dijet Mass Distribution updated using 13.0 fb^{-1} of $pp$ Collisions at $sqrt{s}=8$ TeV collected by the ATLAS Detector
This note updates the results of ATLAS-CONF-2012-088, presented at the ICHEP 2012 conference. [...]
ATLAS-CONF-2012-148. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3123.
Measurement of the top quark pair production cross section in the single-lepton channel with ATLAS in proton-proton collisions at 8 TeV using kinematic fits with b-tagging
A measurement of the top quark pair ( $t\bar{t}$ ) inclusive production cross section in $pp$ collisions at a centre-of-mass energy of $\sqrt{s}=8$ TeV is presented. [...]
ATLAS-CONF-2012-149. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3124.
Search for resonant ZZ production in the ZZ -> llqq channel with the ATLAS detector using 7.2 fb-1 of sqrt(s) = 8 TeV pp collision data
A search for a heavy particle that decays to a pair of Z bosons is presented, using events recorded by the ATLAS detector in proton-proton collisions at sqrt(s) = 8 TeV corresponding to an integrated luminosity of 7.2 fb-1. [...]
ATLAS-CONF-2012-150. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3125.
Search for supersymmetry using events with three leptons, multiple jets, and missing transverse momentum in 13.0 fb$^{-1}$ of pp collisions with the ATLAS detector at $\sqrt{s}=8$ TeV
We report on a search for supersymmetry using events with three leptons, four or more jets, and missing transverse momentum. [...]
ATLAS-CONF-2012-151. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3126.
Search for supersymmetry in final states with jets, missing transverse momentum and a $Z$ boson at $\sqrt{s}=8$ TeV with the ATLAS detector
This note presents a search for supersymmetry in the final state events containing a $Z$ boson ($Z \to \ell\ell$, $\ell$ = $e$, $\mu$), large missing transverse momentum and jets. [...]
ATLAS-CONF-2012-152. - 2012. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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3127.
Search for Supersymmetry in events with four or more leptons in 13 fb−1 pp collisions at √s = 8 TeV with the ATLAS detector
Results of a search for supersymmetry in events with four or more leptons (electrons or muons) are presented. [...]
ATLAS-CONF-2012-153. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3128.
Search for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in 13.0 fb-1 of pp collisions at sqrt(s)=8 TeV with the ATLAS detector
A search for the direct production of charginos and neutralinos in final states with three leptons (electrons or muons) and missing transverse momentum is presented. [...]
ATLAS-CONF-2012-154. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3129.
Measurement of the jet multiplicity in top anti-top final states produced in 7 TeV proton-proton collisions with the ATLAS detector
The reconstructed jet multiplicity is presented for an enhanced top anti-top event selection, at a centre-of-mass energy of 7 TeV, and for the transverse momentum thresholds of 25, 40, 60 and 80 GeV. [...]
ATLAS-CONF-2012-155. - 2012. - 33 p.
Original Communication (restricted to ATLAS) - Full text
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3130.
Measurement of the cross-section for $W$ boson production in association with $b$-jets in $pp$ collisions at $\sqrt{s} = 7$ \TeV\ with the ATLAS detector
This note reports a measurement of the W+b-jets cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC. [...]
ATLAS-CONF-2012-156. - 2012. - 33 p.
Original Communication (restricted to ATLAS) - Full text
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3131.
The ATLAS Muon Calibration Stream: Design and Performance / Diehl, E (Michigan U.)
In the ATLAS experiment, the calibration of the precision chambers of the muon detector is very demanding, since the rate of muon tracks required to get a complete calibration in homogeneous conditions and to feed prompt reconstruction with fresh calibration constants is very high (several hundreds Hz for 8-10 hours runs). [...]
ATL-DAQ-PROC-2012-059. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3132.
Design of a New Switching Power Supply for the ATLAS TileCAL Front-End Electronics / Drake, G (Argonne)
We present the design of an upgraded switching power supply for the front-end electronics of the ATLAS hadron tile calorimeter (TileCAL) at the LHC. [...]
ATL-TILECAL-PROC-2012-011. - 2012. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3133.
Measurement of the combined WW and WZ production cross section in the semileptonic final state in proton-proton collisions at √s = 7 TeV with the ATLAS detector
A study of WW/WZ production in the semileptonic final state using a 4.7 ± 0.2 fb−1 sample of proton-proton collisions at √s = 7 TeV recorded with the ATLAS detector at the Large Hadron Collider in 2011 is presented. [...]
ATLAS-CONF-2012-157. - 2012. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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3134.
Update of the $\boldsymbol{H\to WW^{(\ast)}\to e\nu\mu\nu}$ Analysis with 13~$fb^{-1}$ of $\sqrt{s} = 8$~TeV Data Collected with the ATLAS Detector
An update of the $H \rightarrow WW^{\ast} \rightarrow e\nu\mu\nu$ analysis has been performed using proton-proton collision data corresponding to an integrated luminosity of 13~$fb^{-1}$ at a centre-of-mass energy of 8 TeV collected during 2012 with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2012-158. - 2012. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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3135.
Measurement of the high-mass Drell-Yan differential cross-section in pp collisions at sqrt{s} =7 TeV with the ATLAS detector
This note reports a measurement of the high-mass Drell-Yan differential cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC. [...]
ATLAS-CONF-2012-159. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3136.
Search for the Standard Model Higgs boson in H-> tau tau decays in proton-proton collisions with the ATLAS detector
A search for the Standard Model (SM) Higgs boson decaying into a pair of $\tau$ leptons is reported. [...]
ATLAS-CONF-2012-160. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3137.
Search for the Standard Model Higgs boson in produced in association with a vector boson and decaying to bottom quarks with the ATLAS detector
This note presents an updated search with the ATLAS experiment for the Standard Model Higgs boson produced in association with a $W$ or $Z$ boson and decaying to $b\bar{b}$ using 4.7~\ifb\ of LHC proton-proton data at \SevenTeV\ and 13.0~\ifb\ at \EightTeV. [...]
ATLAS-CONF-2012-161. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3138.
Electronics Overview for the ATLAS Upgraded Silicon Strip Detector / Grillo, A A (UC, Santa Cruz) ; Anghinolfi, F (CERN)
Talk to be given at the PH-ESE Electronics Seminar at CERN on 21-Nov [...]
ATL-UPGRADE-PROC-2012-007. - 2012. - 45 p.
Original Communication (restricted to ATLAS) - Full text
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3139.
ATLAS results on inclusive top quark pair production cross section at the LHC / Derue, F (Paris U., VI-VII)
We present measurements of the production of top quark pairs in proton-proton collisions at 7 TeV with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2012-246. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3140.
Search for resonances in lepton pairs and photon pairs with the ATLAS detector / Anduaga, X (La Plata U.)
A brief overview of searches for high mass exotic signals using proton-proton collision data from the LHC collected by the ATLAS experiment during 2011 is presented. [...]
ATL-PHYS-PROC-2012-247. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3141.
Measurement of the Z to tau tau cross section with the ATLAS detector / Novakova, J (Charles U.)
The $Z$ to tau tau cross section has been measured using data at $\sqrt s = 7~\mathrm{TeV}$ collected with the ATLAS detector at the LHC corresponding to the integrated luminosity of $1.34 - 1.55~\mathrm{fb}^{-1}$. [...]
ATL-PHYS-PROC-2012-248. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3142.
The sROD Demonstrator for the ATLAS Tile Calorimeter Upgrade / Carrió, F (Valencia U., IFIC) ; Castillo, V (Valencia U., IFIC) ; Ferrer, A (Valencia U., IFIC) ; Fiorini, L (Valencia U., IFIC) ; González, V (Valencia U., Dept. Ing. Electronica) ; Hernández, Y (Valencia U., IFIC) ; Higon, E (Valencia U., IFIC) ; March, L (Valencia U., IFIC) ; Moreno, P (Valencia U., IFIC) ; Qin, G (Valencia U., IFIC) et al.
This work presents the early design of the super Read-Out Driver (sROD) demonstrator board for the Tile Calorimeter Demonstrator project. [...]
ATL-TILECAL-PROC-2012-012. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3143.
Instrumentation of a Level-1 Track Trigger in the ATLAS detector for the High Luminosity LHC / Boisvert, V (Royal Holloway, U. of London)
The Large Hadron Collider will be upgraded in order to reach an instantaneous luminosity of $L=5 \times 10^{34}$ cm$^{-2}$ s$^{-1}$. [...]
ATL-DAQ-PROC-2012-060. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3144.
Evolution of the Trigger and Data Acquisition System in the ATLAS experiment / Kama, S (St. Mary's U.)
The ATLAS detector is designed to observe proton-proton collisions delivered by the LHC accelerator. [...]
ATL-DAQ-PROC-2012-061. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3145.
Updated ATLAS results on the signal strength of the Higgs-like boson for decays into WW and heavy fermion final states
An update of the ATLAS measurement of the signal strength in various decay modes obtained by updating the low mass resolution Higgs boson searches in H->WW->lvlv, H->tautau and H->bb with 13 fb-1 of pp collision data collected at the LHC at sqrt{s}=8TeV is presented. [...]
ATLAS-CONF-2012-162. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3146.
Study of the channel $H\rightarrow Z^{*}Z \rightarrow \ell^+\ell^- q\bar{q}$ in the mass range 120-180 GeV with the ATLAS Detector at $\sqrt{s}$=7 TeV
A study of the decay channel $H \rightarrow Z^{*}Z\rightarrow\ell^+\ell^- q \bar{q}$ ($\ell=e,\mu$) is presented, with the mass of the Higgs boson between 120 $GeV$ and 180 $GeV$, using the $pp$ collision data collected by the ATLAS experiment at $\sqrt{s}=7~TeV$. [...]
ATLAS-CONF-2012-163. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3147.
Performance of the AMBFTK board for the FastTracker Processor / Alberti, F (INFN, Milan) ; Andreani, A (Milan U.) ; Annovi, A (Frascati) ; Beretta, M (Frascati) ; Citterio, M (INFN, Milan) ; Crescioli, F (Paris U., VI-VII) ; Dell'Orso, M (Pisa U. ; INFN, Pisa) ; Giannetti, P (INFN, Pisa) ; Lanza, A (INFN, Pavia) ; Liberali, V (INFN, Milan ; Milan U.) et al.
Modern experiments at hadron colliders search for extremely rare processes hidden in much larger background levels. [...]
ATL-DAQ-PROC-2012-062. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3148.
Development of a readout link board for the TileCal phase 2 demonstrator / Muschter, S (Stockholm U.) ; Anderson, K (Chicago U.) ; Bohm, C (Stockholm U.) ; Eriksson, D (Stockholm U.) ; Oreglia, M (Chicago U.) ; Tang, F (Chicago U.)
The ATLAS Tile Calorimeter phase 2 upgrade demonstrator aims at installing a hybrid on-detector electronic system replacing 1-4 adjacent TileCal drawers in ATLAS starting end of phase 0, combining a fully functional phase 2 system with circuitry making it compatible with the present system. [...]
ATL-TILECAL-PROC-2012-013. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3149.
Performance and Improvements of the ATLAS Jet Trigger System / Lang, V (Kirchhoff Inst. Phys.)
At the harsh conditions of the LHC, with proton bunches colliding every 50ns and up to 40 pp interactions per bunch crossing, the ATLAS trigger system has to be flexible to maintaining an unbiased efficiency for a wide variety of physics studies while providing a fast rejection of non-interesting events. [...]
ATL-DAQ-PROC-2012-063. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3150.
The ATLAS trigger performance and evolution / Bartsch, V (Sussex U.)
During the data taking period from 2009 until 2012, the ATLAS trigger has been very successfully used to collect proton-proton data at LHC centre-of-mass energies between 900 GeV and 8 TeV at record breaking luminosities. [...]
ATL-DAQ-PROC-2012-064. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3151.
The ATLAS Trigger Menu: Design and Performance / Bernius, C (Louisiana Tech. U.)
The ATLAS trigger is a three-tiered system designed to select events of interest for the diverse ATLAS physics program such as Higgs Boson decays. [...]
ATL-DAQ-PROC-2012-065. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3152.
Performance of the ATLAS Level--1 Calorimeter Trigger in high luminosity proton--proton collisions at the LHC / Stamen, R (Heidelberg U.)
The ATLAS Level-1 Calorimeter trigger is one of the main components of the first level trigger of the ATLAS experiment at the LHC. [...]
ATL-DAQ-PROC-2012-066. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3153.
The ATLAS semiconductor tracker: operations and performance / D'Auria, S (Glasgow U.)
The Semi-Conductor Tracker (SCT) is a silicon strip detector and one of the key precision tracking devices in the Inner Detector of the ATLAS experiment at CERN LHC. [...]
ATL-INDET-PROC-2012-027. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3154.
Final characterization of the ATLAS IBL detector modules with 241Am during the construction phase / Mandelli, B (CERN ; Oslo U.)
During the first LHC long shutdown (2013/14) a new innermost pixel layer will be installed to the present ATLAS pixel system. [...]
ATL-INDET-PROC-2012-028. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3155.
The ATLAS muon trigger performance in pp collisions at sqrt(s) = 8 TeV in year 2012 runs / Nobe, T (Tokyo Inst. Tech.)
Events with muons in the final state are an important signature for many physics topics at Large Hadron Collider (LHC), for instance, searches for Higgs boson production or new phenomena, measurements on the standard model processes like top-quark, W, Z production. [...]
ATL-DAQ-PROC-2012-067. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3156.
Proton and Neutron Irradiation Tests of Readout Electronics of the ATLAS Hadronic Endcap Calorimeter / Menke, Sven (Munich, Max Planck Inst.)
The readout electronics of the ATLAS Hadronic Endcap Calorimeter will have to withstand the about ten times larger radiation environment of the future high-luminosity LHC (HL-LHC) compared to their design values. [...]
ATL-LARG-PROC-2012-009. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3157.
The ATLAS hadronic tau trigger / Cummings, J (Yale U.)
With the high luminosities of proton-proton collisions achieved at the LHC, the strategies for triggering have become more important than ever for physics analysis. [...]
ATL-DAQ-PROC-2012-068. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3158.
Advanced Alignment of the ATLAS Tracking System / Pedraza Lopez, S (Valencia U., IFIC)
In order to reconstruct trajectories of charged particles, ATLAS is equipped with a tracking system built using different technologies embedded in a 2T solenoidal magnetic field. [...]
ATL-INDET-PROC-2012-029. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3159.
Fast Tracker Performance using the new ”Variable Resolution Associative Memory” for ATLAS / Iizawa, T (Waseda U.)
The Fast Tracker (FTK) for the ATLAS trigger is the only state-of-the-art online processor that tackles and solves the full track reconstruction problem at a hadron collider. [...]
ATL-DAQ-PROC-2012-069. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3160.
An Upgraded ATLAS Central Trigger for 2014 LHC Luminosities / Kaneda, M (CERN)
During 2011, the LHC reached instantaneous luminosities of 4*10^33 cm-2*s-1 and produced events with up to 24 interactions per colliding proton bunch. [...]
ATL-DAQ-PROC-2012-070. - 2012. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3161.
A Hybrid Readout System for the ATLAS TileCal Phase 2 Upgrade Demonstrator / Bohm, C (Stockholm U.)
The ATLAS Tile Calorimeter phase 2 upgrade demonstrator project aims at installing hybrid on-detector electronic systems replacing 1-4 adjacent TileCal electronics drawers in ATLAS starting at the end of the long shut down of LHC 2013 to 2014. [...]
ATL-TILECAL-PROC-2012-014. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3162.
Single Event Upset Energy Dependence In a Buck-Converter Power Supply Design / Drake, G (Argonne) ; De Lurgio, P (Argonne) ; Gopalakrishnan, A (Wisconsin U.) ; Mahadik, S (Wisconsin U.) ; Mellado, B (Wisconsin U.) ; Proudfoot, J (Argonne) ; Reed, R (Witwatersrand U.) ; Senthilkumaran, A (Wisconsin U.) ; Stanek, R (Argonne)
We present a study of Single Event Upsets (SEU) performed on a commercial pulse-width modulator controller chip for switching power supplies. [...]
ATL-TILECAL-PROC-2012-015. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3163.
Search for FCNC in top-quark events in ATLAS / Cristinziani, M (Bonn U. ; CERN)
Searches for flavor changing neutral current (FCNC) processes in top-quark production and decays by the ATLAS Collaboration are presented. [...]
ATL-PHYS-PROC-2012-249. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3164.
Reliability Analysis of a Low Voltage Power Supply Design for the Front-End Electronics of the Atlas Tile Calorimeter / Drake, G (Argonne) ; Senthilkumaran, A (Wisconsin U.) ; Gopalakrishnan, A (Wisconsin U.) ; Mahadik, S (Wisconsin U.) ; Mellado, B (Wisconsin U.) ; Proudfoot, J (Argonne)
–We present a reliability study on a new low voltage power supply design for the front-end electronics of the ATLAS Tile Calorimeter. [...]
ATL-TILECAL-PROC-2012-016. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3165.
Measurement of $\tau$ Polarization in Wtaunu Decays with the ATLAS Detector in $pp$ Collisions at sqrt{s}~=~7 TeV / Czyczula, Z (Yale U.)
In this proceedings, the first measurement of tau polarization at a hadron collider is discussed. [...]
ATL-PHYS-PROC-2012-250. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3166.
Performance of the Reconstruction and Identification of Hadronic Tau Decays in the ATLAS Experiment / "Scutti, F (Bonn U.)
Tau leptons play an important role in the physics program of the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2012-251. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3167.
ttbar Asymmetries at the Tevatron and the LHC / Peters, Yvonne Reinhild (Gottingen U. ; DESY)
The heaviest known elementary particle today, the top quark, has been discovered in 1995 by the CDF and D0 collaborations at the Tevatron proton antiproton collider at Fermilab. [...]
arXiv:1211.6028 ; FERMILAB-CONF-12-616-E ; ATL-PHYS-PROC-2012-252 ; FERMILAB-CONF-12-616-E; ATL-PHYS-PROC-2012-252 ; FERMILAB-CONF-12-616-E ; ATL-PHYS-PROC-2012-252. - 2013. - 11 p.
Preprint - Full text - Fulltext - Fermilab Library - Full text
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3168.
Charge asymmetry in top quark pair production in the di-lepton channel at the ATLAS experiment / Cuth, Jakub (Prague, Inst. Phys.)
The charge asymmetry in top quark pair production in the di-lepton $t\bar t$ channel using the ATLAS experiment at Large Hadron Collider is presented. [...]
arXiv:1212.0038. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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3169.
Measurement of the top quark mass (ATLAS) / Salamanna, G (Queen Mary, U. of London)
An overview is presented of the measurements of the top quark mass performed by the ATLAS experiment at the LHC with an integrated luminosity varying between 35 $pb^{-1}$ and 4.7 fb$^{-1}$. [...]
ATL-PHYS-PROC-2012-254. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3170.
Search for BSM Higgs bosons in the $\mu^{+}\mu^{-}$ decay channel with the ATLAS experiment / Stern, S (Munich, Max Planck Inst.)
Two searches for Higgs bosons in theories beyond the Standard Model (BMS) with the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2012-255. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3171.
Measurement of mass and lifetime of B-hadrons at ATLAS / Toms, K (New Mexico U.)
Using data collected in 2010--2011, the ATLAS Collaboration has measured the lifetime and mass of the $\Lambda_b$ baryon, the lifetimes and masses of the $B_d$ and $B_s$ mesons, and the average lifetime for inclusive $B$ production at 7 TeV center of mass energy in proton-proton collisions..
ATL-PHYS-PROC-2012-256. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3172.
The ATLAS Trigger Performance and Evolution / Petersen, B A (CERN)
During the data taking period from 2009 until 2012, the ATLAS trigger has been very successfully used to collect proton-proton data at LHC centre-of-mass energies between 900 GeV and 8 TeV. [...]
ATL-DAQ-PROC-2012-071. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3173.
Monitoring Tool for Digital Errors in the ATLAS Tile Calorimeter Readout / Cuciuc, M (Bucharest, IFIN-HH)
A software monitoring tools for easy visualization of digital errors that occurs during data taking in the Tile Calorimeter of the ATLAS experiment has been developed. [...]
ATL-TILECAL-PROC-2012-017. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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3174.
The Present and Future Challenges of Distributed Computing in the ATLAS experiment / Ueda, I (Tokyo U., ICEPP)
The ATLAS experiment has collected more than 5 fb-1 of data in 2011 at the energy of 7 TeV. [...]
ATL-SOFT-PROC-2012-069. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3175.
Inclusive Searches for Squarks and Gluinos with the ATLAS Detector / Backes, M (Geneva U.)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2012-257. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3176.
Searches for long-lived particles with the ATLAS detector / Haas, A (New York U.)
Several extensions of the Standard Model predict the existence of new, massive, long-lived particles. [...]
ATL-PHYS-PROC-2012-258. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3177.
ATLAS studies of diffraction, soft particle production and double parton scattering / Martin, T A (Birmingham U.)
Soft and semi-hard QCD studies made with ATLAS are presented. [...]
ATL-PHYS-PROC-2012-259. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3178.
Status of the ATLAS Forward Physics (AFP) Project / Chytka, L (Palacky U.)
The ATLAS Forward Physics (AFP) project plans to add a set of detectors --- silicon 3D pixel tracking detectors and QUARTIC time of flight detectors --- in the forward region of the ATLAS experiment at the LHC. [...]
ATL-LUM-PROC-2012-001. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3179.
Calibration Systems of the ATLAS Tile Calorimeter / Lundberg, Olof (Stockholm U.)
TileCal is the hadronic calorimeter covering the most central region of the ATLAS experiment at the LHC. [...]
arXiv:1212.3676. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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3180.
ATLAS jet measurements, and subjet structure for boosted hadronic objects / Chapleau, B (McGill U.)
Comprehensive jet cross section measurements are presented using the data samples recorded in 2010 and 2011 at sqrt(s) = 7 TeV centre-of-mass energy by the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2012-260. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3181.
Search for the Standard Model Higgs boson through the H -> ZZ -> (llnunu,llqq) decay channels with the ATLAS detector / Gwilliam, C B (Liverpool, U.)
Searches for a heavy Standard Model (SM) Higgs boson decaying via H -> ZZ -> llqq or H -> ZZ -> llnunu, where l = e,mu, are presented. [...]
ATL-PHYS-PROC-2012-261. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3182.
Silicon strip prototypes for the ATLAS Upgrade tracker of the HL-LHC / Díez, S (LBNL, Berkeley)
This paper describes the integration structures for the silicon strips tracker of the ATLAS detector for the Phase-II upgrade of the Large Hadron Collider (LHC), also referred to as High-Luminosity LHC (HL-LHC). [...]
ATL-UPGRADE-PROC-2012-008. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3183.
The ATLAS hadronic tau trigger / Black, C (Sydney U.)
With the high luminosities of proton-proton collisions achieved at the LHC, the strategies for triggering have become more important than ever for physics analysis. [...]
ATL-DAQ-PROC-2012-072. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3184.
Searches for Large Extra Dimensions at ATLAS and CMS / Ruehr, F (Arizona U.)
Up to 5/fb of LHC proton-proton collisions at a centre-of-mass energy sqrt(s)=7TeV and up to 4/fb at sqrt(s)=8TeV have been studied by the ATLAS and CMS collaborations in the context of large extra dimensions. [...]
ATL-PHYS-PROC-2012-262. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3185.
Measurements of the top quark charge asymmetry at the LHC / De Sanctis, U (Udine U.)
The top quark charge asymmetry measurements performed by ATLAS and CMS experiments at the LHC are described. [...]
ATL-PHYS-PROC-2012-263. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3186.
Searches for supersymmetry in events with photons or tau leptons and missing transverse momentum with the ATLAS detector / Schaepe, S (Bonn U.)
Models with gauge-mediated supersymmetry breaking predict that the lightest supersymmetric particle is a gravitino with negligible mass so that the phenomenology of the supersymmetric events produced at the LHC is determined by the next-to-lightest supersymmetric particle (NLSP). [...]
ATL-PHYS-PROC-2012-264. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3187.
Muon Performance in the Presence of High Pile-up in ATLAS / Varol, Tulin (Massachusetts U., Amherst)
In 2012, the LHC is operated at sqrt(s) = 8 TeV in a mode leading up to 40 inelastic pp collisions per bunch crossing. [...]
arXiv:1212.0392. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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3188.
Search for New Physics in Single Top Channel at the LHC / Alhroob, M (INFN, Udine)
At the seventh International Workshop on the CKM Unitarity Triangle, a talk on the search for new physics in single top quark production at the LHC experiments was presented. [...]
ATL-PHYS-PROC-2012-266. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3189.
SUSY Searches (ATLAS/CMS): the Lady Vanishes / Parker, MA (Cambridge U.)
Recent LHC results from ATLAS and CMS on searches for supersymmetric particles are presented, including the first searches from the 8 TeV centre of mass energy data, from CMS. [...]
ATL-PHYS-PROC-2012-267. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3190.
Search for charged long-lived heavy particles with the ATLAS experiment at the LHC / Guido, E (INFN, Genoa)
We report on a search for charged long-lived heavy particles, as predicted by several theories beyond the Standard Model. [...]
ATL-PHYS-PROC-2012-268. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3191.
A search for high mass resonances decaying to tau+tau- in the ATLAS detector / Wagner, P (Bonn U.)
This note presents a search for high-mass resonances decaying into tau+tau- final states, using proton-proton collisions at √s = 7 TeV, produced by the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2012-269. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3192.
Precision tracking at high background rates with the ATLAS muon spectrometer / Hertenberger, Ralf (Munich U.)
Since start of data taking the ATLAS muon spectrometer performs according to specification. [...]
ATL-UPGRADE-PROC-2012-009. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3193.
Charge Asymmetry in Top Pairs at ATLAS / Giordani, M (Udine U. ; INFN, Trieste)
In 7 TeV proton-proton collisions at the LHC, pairs of top and anti-top quarks are expected to be mostly produced through gluon fusion, in contrast to production at the Tevatron, where quark annihilation dominates. [...]
ATL-PHYS-PROC-2012-270. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3194.
Production of Quarkonia States at the LHC with the ATLAS Experiment / Walder, J (Lancaster U.)
The production of Quarkonia states at hadron colliders has been the subject of various theoretical approaches, which can now be compared to measurement performed at the LHC. [...]
ATL-PHYS-PROC-2012-271. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3195.
Studies of Vector Boson Scattering with an Upgraded ATLAS Detector at a High-Luminosity LHC / ATLAS-Collaboration, The
The Phase 2 upgrade of the ATLAS detector would greatly increase the sensitivity to an extended electroweak symmetry-breaking sector beyond the Standard Model Higgs mechanism. [...]
ATL-PHYS-PUB-2012-005. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3196.
Search for the Higgs boson in the diphoton decay channel with the ATLAS detector / Tackmann, K (DESY)
These proceedings report on a search for the Standard Model Higgs boson in the diphoton decay channel in proton-proton collisions at center-of-mass energies of sqrt{s}=7 TeV and sqrt{s}=8 TeV using integrated luminosities of 4.8 fb-1 and 5.9 fb-1, respectively, recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2012-272. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3197.
Top Pair Production at the LHC measured by ATLAS / Childers, JT (CERN)
After having established the ttbar production mechanism at LHC, interest is now focused on differential spectra of ttbar. [...]
ATL-PHYS-PROC-2012-273. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3198.
Measurement of ∆Γs and the CP-violating weak phase φs in the decay Bs0→J/ψφ by ATLAS / Smizanska, M (Lancaster U.)
A measurement of Bs0 → J/ψφ decay parameters, including the CP-violating weak phase φs and the decay width difference ∆Γs is reported, using 4.9 fb−1 of integrated luminosity collected in 2011 by the ATLAS detector. [...]
ATL-PHYS-PROC-2012-274. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3199.
ATLAS measurements of WW, WZ, and ZZ production / Hays, C (Oxford U.)
Using data corresponding to 4.6-4.7/fb of integrated luminosity from sqrt{s}=7 TeV pp collisions, the ATLAS Collaboration has measured the production cross section of heavy dibosons (WW, WZ, and ZZ) in the fully leptonic decay channels. [...]
ATL-PHYS-PROC-2012-275. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3200.
Search for the Standard Model Higgs boson in the $H\rightarrow ZZ^{(∗)}\rightarrow 4\ell$ decay channel with the ATLAS detector / Nikolopoulos, K (Birmingham U.)
The search for the Standard Model Higgs boson in the decay channel $H\rightarrow ZZ^{(*)}\rightarrow \ell^+\ell^-\ell^{'+}\ell^{'-}$, where $\ell,\ell^{'}=e$ or $\mu$, is presented using 4.8 ${\rm fb}^{-1}$ and 5.8 ${\rm fb}^{-1}$ of proton-proton collision data at centre-of-mass energies of $7\:{\rm TeV}$ and $8\:{\rm TeV}$, respectively, recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2012-276. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3201.
ATLAS measurements of jets and heavy flavor produced in association with W and Z bosons / Beauchemin, P-H (Tufts U.)
The production of light and heavy flavors jets in association with a W or Z boson at the LHC represent important processes with which to study QCD in a multi-scale environment. [...]
ATL-PHYS-PROC-2012-277. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3202.
Searches for vector-like quarks and top-jet resonances with ATLAS / Davies, M (Montreal U.)
Three distinct analyses, based on data collected in 2011 by the ATLAS detector with an LHC energy of √s = 7 TeV are summarized in the following proceedings. [...]
ATL-PHYS-PROC-2012-278. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3203.
Measurement of $Wgamma$ and $Zgamma$ production cross sections in $pp$ collisions at $7~TeV$ and limits on anomalous triple gauge couplings with the ATLAS detector / HAN, Liang (Hefei, CUST)
In this letter, we present measurements of $W(l u)gamma$ and $Z(ll)gamma$ ($l=e,mu$) productions in $1.02~fb^{-1}$ of $7~TeV$ $pp$ collision data recorded at ATLAS experiment. [...]
ATL-PHYS-PROC-2012-279. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3204.
Searches for massive new states decaying to top anti-top quark pairs in proton proton collisions at 7 TeV with the ATLAS detector / Vos, M (Valencia U., IFIC)
ATLAS presents three searches for resonances decaying to top anti-top quark pairs performed on 7~\tev{} proton - proton collisions collected by the ATLAS detector at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2012-280. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3205.
Measurement of the b-jet tagging efficiency using top quark pair events with ATLAS data / Leyko, A (Bonn U.)
Many physics analyses with the ATLAS data at the LHC expect to have jets originating from b-quarks in the final state. [...]
ATL-PHYS-PROC-2012-281. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3206.
Search for the neutral MSSM Higgs bosons in the H->tau+tau− and H->mu+mu− decay modes with the ATLAS detector at the LHC / Thoma, S (Fribourg U.)
The Minimal Supersymmetric extension of the Standard Model (MSSM) predicts the existence of three neutral and two charged Higgs bosons. [...]
ATL-PHYS-PROC-2012-282. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3207.
Search for the Standard Model Higgs Boson in the H to τ+ τ− to lepton-hadron and hadron-hadron Decay Modes with the ATLAS Detector / Sakurai, Y (Waseda U., RISE)
In this proceeding, a Higgs boson search in the H to τ^{+} τ^{−} to lepton-hadron and hadron-hadron decay modes is reported. [...]
ATL-PHYS-PROC-2012-283. - 2014. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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3208.
Searches for supersymmetric gaugino production in final states with leptons with the ATLAS detector / Kruker, T (Bern U.)
Searches for electroweakly produced sleptons, charginos and neutralinos in final states with two and three electrons or muons are presented. [...]
ATL-PHYS-PROC-2012-284. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3209.
The ATLAS Data Acquisition and High Level Trigger Systems: Experience and Upgrade Plans / Hauser, R (Michigan State U.)
The ATLAS DAQ/HLT system reduces the Level 1 rate of 75 kHz to a few kHz event build rate after Level 2 and a few hundred Hz out output rate to disk. [...]
ATL-DAQ-PROC-2012-073. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3210.
Searches for ttbar resonances in ATLAS / Camacho, R (Clermont-Ferrand U.)
ATLAS latest results for the ttbar resonance searches in the lepton + jets and dilepton channels for the BSM Vietnam 2012 conference [...]
ATL-PHYS-PROC-2012-285. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3211.
Searches for direct pair production of third generation squarks with the ATLAS detector / White, MJ (Melbourne U.)
The ATLAS experiment has recently searched for evidence of third generation squark production in a variety of final states, using proton--proton collision data from the Large Hadron Collider (LHC) operating at $\sqrt{s}=7$~TeV. [...]
ATL-PHYS-PROC-2012-286. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3212.
Top Quark Properties / Liss, A (Illinois U.)
I review the latest results on properties of the top quark from the Tevatron and the LHC, including the mass, width, couplings, and spin correlations..
ATL-PHYS-PROC-2012-287. - 2012. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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3213.
Search for the Standard Model Higgs boson produced in association with a vector boson and decaying to a b-quark pair with the ATLAS detector at the LHC / Piacquadio, G (CERN)
These proceedings report on recent progress in the search for the Standard Model Higgs boson produced in association with a vector boson and decaying to a {\boldmath $b$}-quark pair using up to $4.7$~$fb^{-1}$ of pp collision data at $\sqrt{s} = 7$~TeV with the ATLAS detector at the LHC\cite{LHC}. [...]
ATL-PHYS-PROC-2012-288. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3214.
SEARCH FOR THE STANDARD MODEL HIGGS BOSON IN THE DECAY MODE H → γγ WITH ATLAS / Turra, R (Milan U. ; INFN, Milan)
This article summarize the search for the Standard Model Higgs Boson in proton-proton collisions with the ATLAS detector at the LHC in the diphoton channel. [...]
ATL-PHYS-PROC-2012-289. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3215.
Searches for Beyond Standard Model Higgs Bosons with ATLAS / Rompotis, N (Washington U.)
The search for evidence of beyond Standard Model Higgs Bosons is an integral part of the Higgs bosons studies at the LHC. [...]
ATL-PHYS-PROC-2012-290. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3216.
Measurement of the Inelastic Proton-Proton Cross Section with the ATLAS Detector / Zenis, T (Comenius U.)
A measurement of the inelastic cross-section for proton-proton collisions at centre-of-mass energysqrt(s) = 7 TeV using the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2012-291. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3217.
The underlying event in jet events at 7~TeV with the ATLAS experiment
Particle distributions sensitive to the underlying event in calorimeter jet events have been measured with the ATLAS detector at the LHC, based on 37 pb-1 of proton--proton collision data collected at a centre-of-mass energy of 7 TeV during the LHC run in 2010. [...]
ATLAS-CONF-2012-164. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3218.
Search for the Standard Model Higgs boson in the H->WW->lvlv, lvqq decay modes with the ATLAS detector. / "Di Micco, B (Rome III U. ; CERN)
A Higgs boson search in the H->WW (lvlv, lvqq) decay mode has been performed using proton-proton collisions recently recorded by the ATLAS detector. [...]
ATL-PHYS-PROC-2012-292. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3219.
Other top quark properties in ATLAS / Limosani, A (Melbourne U.)
We report on the measurements of the top quark charge and radiative top quark pair production cross section in pp collisions at $sqrt{s}= 7$ TeV using 0.70 fb$^{-1}$ and 1.04 fb$^{-1}$ of data, respectively, taken with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2012-293. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3220.
Diffraction results from the ATLAS experiment / Tasevsky, Marek (ASCR, Prague)
First studies dealing with diffraction processes published by the ATLAS collaboration are discussed. [...]
ATL-PHYS-PROC-2012-294. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3221.
Status of the Atlas Calorimeters: their performance after two years of LHC operation and plans for future upgrades / Solans, CA (Valencia U., IFIC)
The ATLAS experiment is designed to study the proton-proton collisions produced at the Large Hadron Collider (LHC) at CERN. [...]
ATL-TILECAL-PROC-2012-019. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3222.
Search for direct sbottom production in event with two b-jets using 12.8 fb-1 of pp collisions at sqrt{s} = 8 TeV with the ATLAS Detector.
A search for direct pair production of bottom squarks, each decaying into a bottom quark and a neutralino, is performed in events with large missing transverse momentum and 2 bjets in the final state using 12.8 fb-1 of pp collisions at sqrt(s)=8 TeV recorded by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2012-165. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3223.
SUSY searches at ATLAS / PRALAVORIO, P (Marseille, CPPM)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2012-295. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3224.
Search for direct top squark pair production in final states with one isolated lepton, jets, and missing transverse momentum in sqrt(s) = 8 TeV pp collisions using 13.0 ifb of ATLAS data
A search is presented for direct top squark pair production in final states with one isolated electron or muon, jets, and missing transverse momentum in proton-proton collisions at a center-of-mass energy of 8 TeV. [...]
ATLAS-CONF-2012-166. - 2012. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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3225.
Search for a supersymmetric top-quark partner in final states with two leptons in sqrt(s) = 8 TeV pp collisions using 13 ifb of ATLAS data
The results of a search for direct pair production of supersymmetric partners of the top quark in 13.0 \ifb\ of integrated luminosity from LHC $pp$ collisions at 8~\TeV\ collected by the ATLAS detector are reported. [...]
ATLAS-CONF-2012-167. - 2012. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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3226.
Search for Pure Leptonic B Decays at ATLAS and CMS / Gaur, Bakul (U. Siegen)
The rare decays $B_{s,d}^0 \to \mu^+\mu^-$ are important probes for new physics beyond the Standard Model. [...]
arXiv:1301.0804 ; ATL-PHYS-PROC-2012-296 ; ATL-PHYS-PROC-2012-296. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint
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3227.
W boson polarisation studies in inclusive and tt production with the ATLAS experiment / Blanchard, J-B (Saclay)
This paper presents the studies performed by the ATLAS collaboration, to measure the W boson polarisation produced either inclusively or from tt decays. [...]
ATL-PHYS-PROC-2012-297. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3228.
Search for Bs --> mu+ mu- and other exclusive B decays with the ATLAS detector. / Iengo, Paolo (INFN, Naples)
The ATLAS experiment, collecting data in pp collisions at the Large Hadron Collider (LHC), allows a variety of B-physics measurements. [...]
ATL-PHYS-PROC-2012-298. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3229.
Searches in s-channel single top quark production at ATLAS / Alvarez Gonzalez, B (Michigan State U.)
We present the results of two searches in s-channel single top-quark production at 7 TeV proton-proton collisions with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2012-299. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3230.
ATLAS Strip Upgrade / Bernabeu, J (Valencia U., IFIC)
A phased upgrade of the Large Hadron Collider (LHC) at CERN is planned. [...]
ATL-INDET-PROC-2012-030. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3231.
Operational Experience with the ATLAS Pixel Detector at LHC / Keil, M (Gottingen U., II. Phys. Inst. ; CERN)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN, providing high-resolution measurements of charged particle tracks in the high radiation environment close to the collision region. [...]
ATL-INDET-PROC-2012-031. - 2013. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3232.
Search for neutral MSSM Higgs Bosons in the h/A/H to tau^+ tau^- Decay Mode with the ATLAS Detector / Mitani, T (Waseda U., RISE)
In this proceeding a search for neutral Minimal Supersymmetric Standard Model (MSSM) Higgs bosons in the h/A/H to $ \tau^{+} \tau^{-} $ decay mode is reported. [...]
ATL-PHYS-PROC-2012-300. - 2014. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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3233.
Upgrading the ATLAS Silicon Tracking for the HL-LHC / Barber, T J (Fribourg U.)
After successful operation of the LHC at a centre-of-mass energy of 8 TeV this year, the energy is expected to go up to 14 TeV in the next few years. [...]
ATL-UPGRADE-PROC-2012-010. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3234.
Heavy flavor onia production at the ATLAS detector at the LHC / Marcisovsky, M (Prague, Tech. U.)
Heavy quark physics is an important part of the ATLAS physics programme. [...]
ATL-PHYS-PROC-2012-301. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3235.
Searches for charged Higgs bosons, supersymmetry, and exotica with tau leptons with the ATLAS and CMS detectors at the LHC / Reece, R (CERN)
Results are presented from the ATLAS and CMS searches for charged Higgs bosons, supersymmetry, and exotica with tau leptons in the final state. [...]
ATL-PHYS-PROC-2012-302. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3236.
ATLAS Pixel, Phase 0 (IBL) / Kocian, M (SLAC)
Conference proceedings for Vertex 2012 talk..
ATL-INDET-PROC-2012-032. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3237.
Search for Exotic mono-jet and mono-photon signatures with the ATLAS detector / Rezvani, R (Toronto U.)
Mono-jet and mono-photon signatures are final states in a variety of beyond Standard Model scenarios, such as the Large Extra Dimension (LED) models, gauge-mediated SUSY breaking (GMSB) scenarios, and models with pair-production of Weakly Interacting Massive Particles (WIMPs) considered as dark matter candidates. [...]
ATL-PHYS-PROC-2012-303. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3238.
Observation and study of the Higgs boson candidate in the two photon decay channel with the ATLAS detector at the LHC
A search for the Standard Model Higgs boson in the two photon decay channel with the ATLAS detector at the LHC is presented. [...]
ATLAS-CONF-2012-168. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3239.
Observation of an excess of events in the search for the Standard Model Higgs boson in the H → ZZ(∗) → 4l channel with the ATLAS detector
This note presents an update of the search results and a first measurement of the proper- ties of the newly observed Higgs-like particle in the decay channel H → ZZ(∗) → l+l−l′+l′−, wherel,l′ =eorμ,using4.6fb−1and13.0fb−1ofproton-protoncollisionsat√s=7TeV and 8 TeV, respectively, recorded with the ATLAS detector. [...]
ATLAS-CONF-2012-169. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3240.
An update of combined measurements of the new Higgs-like boson with high mass resolution channels
An update is presented of the measurement of the newly discovered boson properties using the high mass resolution channels, $H\rightarrow\,\gamma\gamma$ and $H \rightarrow ZZ^{(*)}\rightarrow 4\ell$, with up to 4.8 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=7$ TeV and 13 fb$^{-1}$ at $\sqrt{s}=8$ TeV. [...]
ATLAS-CONF-2012-170. - 2012.
Original Communication (restricted to ATLAS) - Full text
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3241.
Radiation background simulation and verification at the LHC: examples from the ATLAS experiment and its upgrades. / Dawson, I (Sheffield U.)
The high collision rates at the new energy regime of the LHC gives rise to unprecedented radiation environments, especially in the inner regions of the experiments. [...]
ATL-INDET-PROC-2012-033. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3242.
Track and Vertex Reconstruction in the ATLAS Experiment / Lacuesta, V (Valencia U., IFIC)
The track and vertex reconstruction algorithms of the ATLAS Inner Detector have demonstrated excellent performance in the early data from the LHC. [...]
ATL-INDET-PROC-2012-034. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3243.
Search for H± and H±± to other states than tau_had nu / Bernius, C (Louisiana Tech. U.)
The presented results of searches for charged Higgs bosons have been performed with the ATLAS detector. [...]
ATL-PHYS-PROC-2012-304. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3244.
Search for H± → τ±(had)+ν in ATLAS / Czodrowski, P (Dresden, Tech. U.)
Decays of top quarks in 4.6 fb$^{-1}$ of proton-proton collisions data at $\sqrt{s}=7$ TeV collected by the ATLAS experiment at the Large Hadron Collider at CERN were selected and analyzed to search for signatures of charged Higgs bosons with a hadronically decaying $\tau$ lepton in the final state. [...]
ATL-PHYS-PROC-2012-305. - 2012. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3245.
Beyond the standard model Higgs searches with ATLAS / KLUIT, P M (NIKHEF, Amsterdam)
A summary of the results - based on the 2011 and 2012 data - of the ATLAS experiment for Beyond the Standard Model Higgs searches will be presented..
ATL-PHYS-PROC-2012-306. - 2012. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3246.
The ATLAS Insertable B-Layer (IBL) Project / Bilbao de Mendizabal, J (Geneva U.)
Preparing the hight luminosity LHC phase, the ATLAS experiment will upgrade his Pixel tracking system with the installation of a new pixel layer. [...]
ATL-INDET-PROC-2012-035. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3247.
Tracking, vertexing and b-tagging performance in ATLAS / Tibbetts, MJ (LBNL, Berkeley)
Reconstruction of the trajectories of charged particles and the identification of their points of origin form a vital componant of the ATLAS experiment physics program at the LHC. [...]
ATL-PHYS-PROC-2012-307. - 2012. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3248.
Measurement of the distribution of event-by-event harmonic flow in pb-pb collisions at $\sqrt{s_{NN}}=$2.76 TeV with the ATLAS detector / Mohapatra, S (SUNY, Stony Brook)
In recent years, the measurement of harmonic flow coefficients $v_n$ has provided important insight into the hot and dense matter created in heavy ion collisions at RHIC and LHC. [...]
ATL-PHYS-PROC-2012-308. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3249.
PERSINT Event Display for ATLAS / Chevalier, L (IRFU, Saclay) ; Ernwein, J (IRFU, Saclay) ; Formica, A (IRFU, Saclay) ; Giraud, P-F (IRFU, Saclay) ; Laporte, J-F (IRFU, Saclay) ; Ouraou, A (IRFU, Saclay) ; Sizun, P (IRFU, Saclay) ; Virchaux, M (IRFU, Saclay)
This document is a ”User’s Guide and tutorial” for the PERSINT interactive detector, magnetic field, and event visualization program developed for the ATLAS collaboration. [...]
ATL-SOFT-PUB-2012-001. - 2012. - 171 p.
Original Communication (restricted to ATLAS) - Full text
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3250.
Status and Recent Results of the ATLAS Experiment / Cheplakov, A (Dubna, JINR)
The Large Hadron Collider at CERN is continuing its operation in 2012 by showing a stable performance at 4 TeV per proton beam energy and aiming to provide enough statistics for the Higgs boson discovery. [...]
ATL-PHYS-PROC-2012-309. - 2012. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3251.
Search for Physics Beyond the Standard Model with the ATLAS detector / Zimmermann, S (Bonn U.)
We study events with photons and/or jets and events with a photon and missing transverse energy to test several new physics hypotheses: ADD large extra dimension, excited quarks or weakly interacting massive particles. [...]
ATL-PHYS-PROC-2012-310. - 2012. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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3252.
Performance of muon and tau identification at ATLAS / Shamim, M (Oregon U.)
Charged leptons play an important role in the physics programme at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2012-311. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3253.
Searches for new physics in top decays at the LHC / Onofre, A. (Minho U.)
The search for new physics in top quark decays at the LHC is reviewed in this paper. [...]
arXiv:1212.6898. - 2012. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint
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3254.
Electrical Design and Performance of Single- and Double-Sided Silicon Modules for the ATLAS Phase II Upgrade / Gregor, IM (DESY) ; Affolder, A (U. Liverpool (main))
For the planned replacement of the ATLAS tracker during the Phase II Upgrade, the design and construction of a Silicon Strip Detector is currently being planned. [...]
ATL-UPGRADE-PUB-2012-005. - 2012. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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3255.
Studies of Vector Boson Scattering with an Upgraded ATLAS Detector at a High-Luminosity LHC / Anger, P (University Coll. London) ; Bernat, P (Dresden, Tech. U.) ; Campanelli, M (Dresden, Tech. U.) ; Kobel, M (University Coll. London) ; Kotwal, A (Duke U.) ; Nielsen, J (UC, Santa Cruz) ; Pollard, C (Duke U.) ; Schnoor, U (University Coll. London)
The Phase 2 upgrade of the ATLAS detector greatly increases the sensitivity to an extended electroweak symmetry-breaking sector beyond the Standard Model Higgs mechanism. [...]
ATL-UPGRADE-PUB-2012-006. - 2012. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3256.
Search for charged Higgs bosons decaying via H$^{+} \rightarrow \tau + \nu$ in $t \bar{t}$ events with the ATLAS detector / Saavedra, A F (Sydney U.)
The results of a search for charged Higgs bosons are presented. [...]
ATL-PHYS-PROC-2012-313. - 2012. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3257.
Performance of Jets and Missing Transverse Energy in ATLAS / Schwartzman, A (SLAC)
After the analysis of the 2010 proton proton collision data provided by LHC, the ATLAS experiment has achieved an accuracy of the jet energy measurement between 2-4\% for jet transverse momenta from $20$ GeV to about $2$ TeV in the pseudo-rapidity range up to $|\eta|=4.5$ [...]
ATL-PHYS-PROC-2013-001. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3258.
Search for direct stop production in events with missing transverse momentum and two b-jets using 12.8 fb^{-1} of pp collisions at sqrt{s} = 8 TeV with the ATLAS detector
The results of the search for direct pair production of bottom squarks presented in ATLAS-CONF-2012-165 are reinterpreted in terms of direct pair production of top squarks decaying into a bottom quark and a chargino. [...]
ATLAS-CONF-2013-001. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3259.
Measurements of single top-quark production with the ATLAS detector / Sturm, P (Bergische U.)
We present the measurement of the single top-quark $t$-channel production and evidence for the associated production of a $W$ boson together with a top-quark in proton-proton collisions at $\sqrt{s} = 7\,\mathrm{TeV}$ recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2013-002. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3260.
Higgs Searches in ATLAS / Schaffer, A (Orsay, LAL)
This talk covers the results of a search for the Standard Model Higgs boson in proton-proton collisions with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2013-003. - 2013. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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3261.
Search for resonances in top anti-top pairs with the ATLAS detector / Erdmann, J (Yale U.)
Four analyses searching for resonant production of top quark pairs using data taken with the ATLAS detector in proton-proton collisions at the CERN Large Hadron Collider at a centre-ofmass energy of 7 TeV are reviewed. [...]
ATL-PHYS-PROC-2013-004. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3262.
Searches for heavy long-lived sleptons and R-hadrons with the ATLAS detector / Mehlhase, S (Bohr Inst.)
A search for long-lived particles is performed using a data sample of $4.7~fb ^{-1}$ from proton-proton collisions at a centre-of-mass energy $\sqrt{s} = 7$ TeV collected by the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2013-005. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3263.
Observation of the production of $W$ and $Z$ Bosons with the ATLAS detector at $sqrt{s}$ = 7 TeV / Lohwasser, K (Freiburg U.)
The observation of $W$ and $Z$ bosons produced in $pp$-collisions with a centre of mass energy of $sqrt{s}$ = 7 TeV is described [...]
ATL-PHYS-PROC-2013-006. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3264.
Heavy flavored probes of new physics with the ATLAS detector / Karakostas, K (Natl. Tech. U., Athens)
Precision determinations of the flavor sector allow the indirect search of new physics effects. [...]
ATL-PHYS-PROC-2013-007. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3265.
Jet energy measurement and systematic uncertainties using tracks for jets and for b-quark jets produced in proton-proton collisions at $\sqrt{s} = 7$ TeV in the ATLAS detector
Studies of the jet energy scale are performed in an inclusive QCD jet sample with and without b-tagging and in a sample of top quark pairs, using in situ methods and Monte Carlo simulated samples. [...]
ATLAS-CONF-2013-002. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3266.
TeV-scale jet energy calibration using multijet events including close-by jet effects at the ATLAS experiment
With the large number of proton-proton collisions delivered by the Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}=7$ TeV in 2011, it became possible to probe the jet transverse momentum (pT) scale beyond the TeV range in events with multijet production. [...]
ATLAS-CONF-2013-003. - 2013. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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3267.
Searches for 4th generation and vector-like quarks with the ATLAS detector / Gauthier, L (Saclay)
The Fourth Generation Quarks model and Vector Like Quarks model have been studied in ATLAS using proton-proton collisions at $\sqrt{s}$ = 7 TeV between 1.04 fb$^{-1}$ and 4.7 fb$­^{-1}$. [...]
ATL-PHYS-PROC-2013-008. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3268.
Fourth generation quark searches with the ATLAS detector / Feligioni, L (Marseille, CPPM)
We present searches for fourth generation quarks in data corresponding to an integrated luminosity of 1.04 fb-1 from pp collisions delivered by the LHC at $\sqrt{s}$=7 TeV recorded with the ATLAS detector. [...]
ATL-PHYS-PROC-2013-009. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3269.
Rare $B$ decays and $CP$-Violation in the $B$ system with the ATLAS Detector / Jussel, P (Innsbruck U.)
A search for the rare decay $B_{s}^{0} \to \mu^{+}\mu^{-}$ has been performed with the ATLAS detector at the Large Hadron Collider LHC in proton-proton collisions at a centre of mass energy of $\sqrt{s} = 7\,\text{TeV}$ using $2.4\,\text{fb}^{-1}$ of integrated luminosity. [...]
ATL-PHYS-PROC-2013-010. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3270.
Physics with Tau Lepton Final States in ATLAS / Pingel, A (Bohr Inst.)
An integral part of the ATLAS physics program are analyses with tau leptons in the final state. [...]
ATL-PHYS-PROC-2013-011. - 2013. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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3271.
Studies of the ATLAS potential for Higgs self-coupling measurements at a High Luminosity LHC / ATLAS, Collaboration
Studies are presented on the prospects of measuring the Higgs trilinear self-coupling λHHH in 3,000 fb−1 of 14 TeV proton-proton collisions at the HL-LHC. Two channels are discussed: H(→ bb)H(→ W+W−) and H(→ bb)H(→ γγ). [...]
ATL-PHYS-PUB-2013-001.- Geneva : CERN, 2013 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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3272.
Experimental interplay between the top quark and Supersymmetry at the LHC and Tevatron / Arguin, JF (Montreal U.)
The search for Supersymmetry is of highest priority for the physics programs of the LHC and Tevatron experiments. [...]
ATL-PHYS-PROC-2013-012. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3273.
New gas distribution system for the ATLAS RPCs / Pastori, E (Rome U.,Tor Vergata) ; Aielli, G (INFN, Rome2)
A new gas distribution system for the ATLAS RPCs aimed at equalizing the flow with respect to the average counting rate per gas volume. [...]
ATL-MUON-PROC-2013-001. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3274.
Jet energy scale and its systematic uncertainty in proton-proton collisions at sqrt(s)=7 TeV with ATLAS 2011 data
The jet energy scale (JES) and its systematic uncertainty are determined for jets measured with the ATLAS detector using proton-proton collision data with a centre-of-mass energy of sqrt(s) = 7 TeV corresponding to an integrated luminosity of 4.7 fb−1. [...]
ATLAS-CONF-2013-004. - 2013. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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3275.
Measurement of delta-rays in ATLAS silicon sensors
In the inner detector of the ATLAS experiment at the LHC, $\delta$-rays originating from particle interactions in the silicon sensors may cause additional hit channels. [...]
ATLAS-CONF-2013-005. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3276.
Search for heavy resonances, and resonant diboson production with the ATLAS detector / Hod, Noam Tal (NIKHEF, Amsterdam)
Heavy resonances decaying into a pair of fundamental particles such as $jj$, $\ell^+\ell^-$, $\gamma\gamma$, and $\ell\nu$, are among the most common features to search for phenomena beyond the standard model (SM). [...]
arXiv:1303.4287 ; ATL-PHYS-PROC-2013-013. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Full text - Fulltext
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3277.
Status of the ATLAS Experiment / Aleksa, M (CERN)
This document presents an overview of the status of the ATLAS experiment at the CERN Large Hadron Collider at the time of the 5th International Workshop on Top Quark Physics in Winchester (September 2012). [...]
ATL-PHYS-PROC-2013-014. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3278.
Searches for direct supersymmetric gaugino and slepton pair production in final states with leptons with the ATLAS detector / Floderus, A (Lund U.)
A search for direct production of supersymmetric gauginos and sleptons in final states with two and three leptons is presented. [...]
ATL-PHYS-PROC-2013-015. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3279.
Search for exotic same-sign dilepton signatures ($b'$ quark, $T_{5/3}$ and 4 top quarks production) in 4.7 fb$^{-1}$ of pp collisions at $sqrt{s}$ = 7 TeV with the ATLAS detector / Gauthier, L (Saclay)
This proceeding present a search for exotic processes - pair production of down-type heavy quarks ($b'$), single and pair production of heavy top quark partners ($T_{5/3}$), and production of events containing four top quarks ($ttar{tt}$) - in pp collisions at $sqrt{s}$ = 7 TeV recorded with the ATLAS detector. [...]
ATL-PHYS-PROC-2013-016. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3280.
ATLAS triggering on SUSY in 2012 / Sfyrla, A (CERN)
In 2012, the LHC has been operating at a higher center-of-mass energy and higher instantaneous luminosity compared to 2011, providing the experiments with unprecedented amounts of hadron collision data. [...]
ATL-DAQ-PROC-2013-001. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3281.
Search for New Phenomena in the Dijet Mass Distribution updated using 13.0 fb$^{-1}$ of $pp$ Collisions at $\sqrt{s}$ = 8 TeV collected by the ATLAS Detector / Guescini, F (Geneva U.)
The invariant mass distributions of dijet events produced in $pp$ collisions at a center of mass energy of 8 TeV by the LHC has been studied using the ATLAS detector. [...]
ATL-PHYS-PROC-2013-017. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3282.
Backgrounds in $H \rightarrow WW \rightarrow \ell \nu\ell \nu$ with ATLAS / Lazovich, Tomo (Harvard U.)
We present techniques used to estimate the backgrounds in the search for the Standard Model Higgs boson in the H->WW*->lvlv decay channel with the ATLAS experiment at the LHC. [...]
arXiv:1301.7660 ; ATL-PHYS-PROC-2013-018 ; ATL-PHYS-PROC-2013-018. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint - Fulltext - Fulltext
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3283.
Combination of the top-quark mass measurements from the Tevatron and from the LHC colliders / Déliot, F (Saclay)
I present here the results for the combination of the top-quark measurements at the Tevatron and at the LHC. [...]
ATL-PHYS-PROC-2013-019. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3284.
Performance of the ATLAS tau trigger in 2011
This note describes the optimization and performance of the ATLAS hadronic tau trigger during 2011, at a centre-of-mass energy of 7 TeV. [...]
ATLAS-CONF-2013-006. - 2013. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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3285.
Performance of the ATLAS Tile Calorimeter / Shimizu, S (Nagoya U.)
The Tile Calorimeter is the central section of the ATLAS hadronic calorimeter. [...]
ATL-TILECAL-PROC-2013-001. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3286.
Single top-quark production measurements with ATLAS at the LHC / Lleres, A (LPSC, Grenoble)
We present cross-section measurements of single top-quark production in the t-channel and associated Wt production modes using pp collision data recorded with the ATLAS detector at the LHC [...]
ATL-PHYS-PROC-2013-020. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3287.
Search for long-lived, heavy particles in final states with a muon and multi- track displaced vertex in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector / Kim, H (Stockholm U.)
We present the results of a search for such particles, which decay at a significant distance from their production point, using a final state containing charged hadrons and an associated muon. [...]
ATL-PHYS-PROC-2013-021. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3288.
Search for long-lived neutral particle decays with first 1.94 fb$^-1$ of 2011 data collected with the ATLAS detector at the LHC / Salvatore, D (U. Calabria, Arcavacata di Rende (main))
Many extensions of the Standard Model (SM) include neutral weakly-coupled particles that can be long-lived. [...]
ATL-PHYS-PROC-2013-022. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3289.
Data-driven background estimation in ATLAS / Rozen, Y (Technion)
The search for charged Higgs with a mass below the top quark mass assumes a production of the Higgs in tt events. [...]
ATL-PHYS-PROC-2013-023. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3290.
Search for SUSY in events with R-parity violation or long-lived particles at ATLAS / Kazama, S (Tokyo U.)
We present the latest results of searches for supersymmetry in events with R-parity violation and long-lived particles with the ATLAS Detector at the LHC..
ATL-PHYS-PROC-2013-024. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3291.
Search for Single Production of Vector-like Quarks Coupling to Light Generations in $4.64~ifb$ of ATLAS Data at $sqrt{s}=7$~TeV / Meehan, S (Chicago U.)
This analysis presents a search for singly-produced vector-like quarks (VLQs) coupling to light quark generations in events with a $W$ or $Z$ boson produced in association with two or more high transverse momentum jets. [...]
ATL-PHYS-PROC-2013-025. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3292.
Searches for new physics with tau leptons at the ATLAS detector / Leney, KJC (Witwatersrand U.)
Searches for heavy particles decaying to a pair of tau leptons, and searches for pair produced third-generation scalar leptoquarks decaying to a b-jet and a tau lepton are reported. [...]
ATL-PHYS-PROC-2013-026. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3293.
ATLAS Future Plans: Upgrade and the Physics with High Luminosity / Rajagopalan, S (Brookhaven)
The ATLAS experiment is planning a series of detector upgrades to cope with the planned increases in instantaneous luminosity and multiple interactions per crossing to maintain its physics capabilities. [...]
ATL-UPGRADE-PROC-2013-001. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3294.
Search for a SM Higgs boson in the $H \rightarrow Z^*Z \rightarrow \ell^{+}\ell^{-}q\bar{q}$ channel in the mass range 120 - 180 GeV with the ATLAS Detector at $\sqrt{s} = 7$ TeV / Zurzolo, G (Naples U. ; INFN, Naples)
A summary of the first study is given for the decay channel $H \rightarrow Z^*Z \rightarrow \ell^+\ell^-q\bar{q} (l=e,mu)$ in the Higgs boson mass range 120 - 180 GeV, using the $pp$ collision data collected by the ATLAS experiment at $\sqrt{s} = 7$ TeV at the LHC. [...]
ATL-PHYS-PROC-2013-027. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3295.
Searches for pair production of third generation squarks with the ATLAS detector / Barber, T J (Fribourg U.)
Naturalness arguments for weak-scale supersymmetry favour supersymmetric partners of the third generation quarks with masses not too far from those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2013-028. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3296.
Search for Standard Model Higgs boson in $H\to\tau^+\tau^-$ decay with the ATLAS detector / Nakamura, K (KEK, Tsukuba)
A searches for the Standard Model (SM) Higgs boson decaying into a pair of $\tau$ leptons are presented. [...]
ATL-PHYS-PROC-2013-029. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3297.
Higgs & new physics searches with ATLAS / Chevalier, L (Saclay)
This talk covers the results of a search for the Standard Model Higgs boson in proton-proton collisions with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2013-030. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3298.
LHC searches for physics beyond the Standard Model with top quarks / Golling, Tobias (Yale U.)
Searches are presented for physics beyond the Standard Model involving top-quark and related signatures. [...]
arXiv:1302.0295. - 2013-07-30. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint
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3299.
W helicity, top quark spin and charge / Shabalina, E (Inst. Astrophys. Gottingen)
An overview of the recent measurements of top quark charge, spin correlations, and top quark and W boson polarisation in $t\bar{t}$ events is presented. [...]
ATL-PHYS-PROC-2013-032. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3300.
Update of the $H ightarrow WW^{ast} ightarrow e umu u$ analysis with 13.0 fb^{-1} of $sqrt{s} = 8$ TeV ddata collected with the ATLAS detector / Yoshihara, K (Tokyo U.)
An update of the H→ WW(∗)→ eνμν analysis has been performed. [...]
ATL-PHYS-PROC-2013-033. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3301.
Higgs Properties Measurement with the ATLAS Detector at the LHC / Yang, H (Shanghai Jiaotong U.)
The production and decay of the new particle discovered in mass region of 126 GeV in search for the Standard Model Higgs boson at $\sqrt{s} = 7$ TeV and $\sqrt{s} = 8$ TeV are presented. [...]
ATL-PHYS-PROC-2013-034. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3302.
Search for a Higgs boson produced in the vector boson fusion process in the diphoton channel with the ATLAS experiment / Petit, E (Annecy, LAPP ; Savoie U.)
Details of the production of the new particle discovered by the ATLAS experiment at the LHC in the mass region of mH = 126 GeV in the search for the Standard Model Higgs boson at s = 7 TeV and 8 TeV are presented. [...]
ATL-PHYS-PROC-2013-035. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3303.
Inclusive searches for squarks and gluinos with the ATLAS detector / Khoo, TJ (Cambridge U.)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2013-036. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3304.
Search for the Higgs boson in the diphoton decay channel with ATLAS detector / Jimenez Belenguer, M (DESY)
This document reports on a search for the Standard Model Higgs boson in the diphoton decay channel in proton-proton collisions at center-of-mass energies of $sqrt{s}=$7 TeV and $sqrt{s}=$ 8 TeV using integrated luminosities of 4.8 fb$^{-1}$ and 5.9 fb$^{-1}$, respectively, recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2013-037. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3305.
Boosted top quark techniques and searches for $t\bar{t}$ resonances at the LHC / Fleischmann, S (Bergische U., Wuppertal (main))
In many models of beyond the Standard Model physics (BSM) the top quark plays a special role. [...]
ATL-PHYS-PROC-2013-038. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3306.
Diboson productions and aTGCs search at LHC / Wu, Y (Michigan State U. ; Hefei, CUST)
The ATLAS and CMS collaborations have measured the production cross-sections of dibosons ($WW$,$WZ$, $ZZ$, $W\gamma$, $Z\gamma$) in leptonic decay final states with collision data produced at both $\sqrt{s} = 7 TeV$ and $\sqrt{s}= 8 TeV$. [...]
ATL-PHYS-PROC-2013-039. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3307.
W and Z production in association with light and heavy flavour jets at the LHC and the Tevatron / Dunford, M (Kirchhoff Inst. Phys.)
Proceedings for HCP: Measurements of W and Z production in association with jets provide a stringent test of perturbative QCD calculations. [...]
ATL-PHYS-PROC-2013-040. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3308.
Searches for MSSM Higgs Bosons at ATLAS and CMS / Lai, Stan (Freiburg U.)
The Minimal Supersymmetric extension of the Standard Model (MSSM) predicts the existence of three neutral and two charged Higgs bosons. [...]
arXiv:1303.4064. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Preprint
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3309.
Top quark charge measurement with the ATLAS detector using pp collision data / Federic, P (Comenius U.)
A measurement of the top quark charge using the lepton+jets final state resulting from $t\bar t$ pair production is presented, using data from the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2013-042. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3310.
Search for the Standard Model Higgs boson produced in association with a vector boson and decaying to bottom quarks with the ATLAS detector / Gray, H (CERN) ; Scanlon, T (CERN) ; Facini, G (CERN)
This note presents an updated search with the ATLAS experiment for the Standard Model Higgs boson produced in association with a $W$ or $Z$ boson and decaying to $b\bar{b}$ using 4.7 fb$^{-1}$ of LHC data at $\sqrt{s}=7~\mathrm{TeV}$ and 13.0 fb$^{-1}$ at $\sqrt{s}=7~\mathrm{TeV}$. [...]
ATL-PHYS-PROC-2013-043. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3311.
Searches for Supersymmetry at the high luminosity LHC with the ATLAS Detector
Supersymmetry is arguably one of the most motivated and well-studied extensions of the Standard Model. [...]
ATL-PHYS-PUB-2013-002. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3312.
Studies on fast timing and high precision tracking performance of Resistive Plate Chamber / Han, L (SIAS, USTC)
Resistive plate chambers (RPC), produced in large scales, are widely used as trigger detectors with O(ns) time resolution in high energy and high intensity experiments. [...]
ATL-MUON-PUB-2013-001. - 2013. - 1 p.
Original Communication (restricted to ATLAS) - Full text
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3313.
ATLAS results from Pb-Pb collisions at 2.76 TeV / Bold, T (UC, Irvine ; AGH-UST, Cracow)
A broad program of measurements using heavy ion collisions is underway in ATLAS, with the aim of studying the properties of QCD matter at high temperatures and densities. [...]
ATL-PHYS-PROC-2013-044. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3314.
Search for Supersymmetry in final states with jets and missing transverse momentum with the ATLAS detector / Rammensee, M (Fribourg U.)
Proceedings to the PLHC conference, June 2011 Perugia
ATL-PHYS-PROC-2013-045. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3315.
Results on QCD jet and photon production in ATLAS / Roos, L (Paris U., VI-VII ; Diderot U., Paris)
Selected ATLAS results on QCD production of jets and photons are presented, including: the measurement of the inclusive jet and di-jet cross sections; the first study of jet mass and jet substructure on real data; the measurement of the inclusive photon and di-photon production c ross sections. [...]
ATL-PHYS-PROC-2013-046. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3316.
Experimental and theoretical uncertainties in top-quark mass measurements at the Tevatron and the LHC / Cortiana, G (Munich, Max Planck Inst.)
Since the discovery of the top-quark at the Tevatron collider in 1995, enormous efforts have been devoted to the precise determination of its properties and in particular of its mass, mtop. [...]
ATL-PHYS-PROC-2013-047. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3317.
Liquid Argon Calorimeter performance at High Rates / Seifert, F (Dresden, Tech. U.)
The expected increase of luminosity at HL-LHC by a factor of ten with respect to LHC luminosities has serious consequences for the signal reconstruction, radiation hardness requirements and operations of the ATLAS liquid argon calorimeters in the endcap, respectively forward region. [...]
ATL-LARG-PROC-2013-001. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3318.
Search for the Standard Model Higgs boson in association with top quarks and decaying to bb at sqrt(s) = 7 TeV using the ATLAS detector / Nackenhorst, O (Gottingen U.)
Abstract. [...]
ATL-PHYS-PROC-2013-048. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3319.
Top pair production at ATLAS / Loginov, A (Yale U.)
An overview of latest ATLAS measurements of top pair production in proton-proton collisions at the LHC at centre-of-mass energies of 7 and 8 TeV is presented. [...]
ATL-PHYS-PROC-2013-049. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3320.
B-quark and quarkonium production and polarisation / Kartvelishvili, V (Lancaster U.)
An overview of recent results on the open beauty and heavy quarkonium production and quarkonium polarisation measurements made by ATLAS, CMS and LHCb collaborations at the Large Hadron Collider..
ATL-PHYS-PROC-2013-050. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3321.
Single top-quarks at the LHC / Ta, DB (NIKHEF, Amsterdam)
This article summarises the status of measurements of single top-quark production at the LHC for a centre-of-mass energy of 7 TeV with the full 2011 data set. [...]
ATL-PHYS-PROC-2013-051. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3322.
Operational issues of present ATLAS strip detector / Yacoob, S (KwaZulu Natal U.)
Current results from the successful operation of the Semi-Conductor Tracker (SCT) Detector at the LHC and its status after three years of operation is presented [...]
ATL-INDET-PROC-2013-001. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3323.
Tracking Performance of the Proposed Inner Tracker Layout for the ATLAS Phase-II Upgrade / Burdin, S (U. Liverpool (main)) ; Cornelissen, T (Bergische U., Wuppertal (main)) ; Debenedetti, C (U. Edinburgh (main)) ; Elles, S (CNRS, France) ; Elsing, M (CERN) ; Gavrilenko, I (Lebedev Inst.) ; Hessey, N (NIKHEF, Amsterdam) ; Huettmann, A (DESY) ; Korn, A (U. Edinburgh (main)) ; Miglioranzi, S (CNRS, France) et al.
One of the main activitites in the ATLAS Phase-II upgrade, scheduled for 2022 and 2023, will be the replacement of the entire Inner Detector with a new, all-silicon Inner Tracker (ITk) [...]
ATL-UPGRADE-PUB-2013-001. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3324.
Building a Stereo-angle into strip-sensors for the ATLAS-Upgrade Inner-Tracker Endcaps / Hessey, NP (NIKHEF, Amsterdam)
The Strips Endcap detector for the ATLAS Upgrade needs several sensor shapes, each of which is approximately a wedge shape like the current SCT. [...]
ATL-UPGRADE-PUB-2013-002. - 2013. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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3325.
DISCRETE 2012: CP violation at ATLAS / Barton, A E (Lancaster U.)
A measurement of the decay $B_s \rightarrow J/\psi (\mu^+ \mu^-) \phi(K^+ K^-)$ in made extracting the decay parameters, including the $CP$-violating weak phase $\phi_s$ and the decay width difference $\Delta\Gamma_s$ from a dataset of 4.9 $fb^{-1}$ of integrated luminosity collected in 2011 by the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2013-052. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3326.
Study of Conical Layout for Upgrade Pixel Detector / Burdin, S (U. Liverpool (main)) ; Garcia-Sciveres, M (LBNL, Berkeley) ; Hartman, N (LBNL, Berkeley) ; Watson, I (U. Sydney (main))
This note describes conical layouts of ATLAS upgrade pixel detector. [...]
ATL-UPGRADE-PUB-2013-003. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3327.
Pixel Disk Design and Prototypes / Pater, J (U. Manchester (main))
A brief overview of the baseline Phase-II pixel endcap detector is presented. [...]
ATL-UPGRADE-PUB-2013-004. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3328.
ITK optical links backup document / Huffman, B T (Oxford U.) ; Weidberg, A R (Oxford U.) ; Flick, T (Wuppertal U.) ; Ye, J (Southern Methodist U.)
This document describes the proposed optical links to be used for the ITK in the phase II upgrade. [...]
ATL-UPGRADE-PUB-2013-005. - 2013. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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3329.
Vector boson+jets as background to top-quark physics at Tevatron and LHC / Déliot, F (Saclay)
I review here the latest measurements related to vector boson production in association with light or heavy flavor jets at the Tevatron and at the LHC. [...]
ATL-PHYS-PROC-2013-053. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3330.
Production and spectroscopy of heavy flavor and quarkonia with the ATLAS detector / Melachrinos, C (Chicago U.)
Predictions for the production of quarkonia and open heavy-flavor states at hadronic collider can now be compared to measurements performed at the LHC. [...]
ATL-PHYS-PROC-2013-054. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3331.
Top quark angular distributions at the LHC / Wengler, T (CERN)
Results from the CMS and ATLAS collaborations are presented on angular distributions in top quark decays. [...]
ATL-PHYS-PROC-2013-055. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3332.
Studies of Sensitivity to New Dilepton and Ditop Resonances with an Upgraded ATLAS Detector at a High-Luminosity LHC
The Phase 2 upgrade of the LHC and the ATLAS detector will increase the sensitivity to high-mass resonances beyond the Standard Model. [...]
ATL-PHYS-PUB-2013-003. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3333.
Fully hadronic $t\overline{t}$ cross section with the ATLAS detector / Coccaro, A (Washington U.)
A measurement of the $t\overline{t}$ production cross section in the all-hadronic decay mode using the full data sample collected by the ATLAS experiment in 2011 is presented. [...]
ATL-PHYS-PROC-2013-056. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3334.
Phase 2 LOI Backup Document Silicon Strip Tracker R&D Status / Jones, T (U. Liverpool (main)) ; Lynn, D (Brookhaven) ; Lacasta, C (Valencia U., IFIC) ; Haber, C (LBNL, Berkeley) ; Viehhauser, G (U. Oxford (main)) ; Newcomer, M (Penn State U., University Park (main)) ; Diez-Cornell, S (LBNL, Berkeley) ; Gibson, M (Rutherford) ; Wastie, R (U. Oxford (main)) ; Weidberg, A (U. Oxford (main)) et al.
A variety of prototyping and R&D activities have been underway for the Phase-2 silicon strip upgrade. [...]
ATL-UPGRADE-PUB-2013-008. - 2013. - 94 p.
Original Communication (restricted to ATLAS) - Full text
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3335.
Alpine Pixel Detector Layout / Delebecque, P (Annecy, LAPP) ; Elles, S (Annecy, LAPP) ; Geffroy, N (Annecy, LAPP) ; Massol, N (Annecy, LAPP) ; Rambure, T (Annecy, LAPP) ; Todorov, T (Annecy, LAPP)
A description of an optimized layout of pixel sensors based on a stave that combines both barrel and endcap module orientations. [...]
ATL-UPGRADE-PUB-2013-009. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3336.
Measurement of the top-quark mass using 7 TeV protonproton collisions with the ATLAS detector / Moles-Valls, R (Valencia U., IFIC)
The top quark is the heaviest known elementary particle. [...]
ATL-PHYS-PROC-2013-057. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3337.
Phase 2 LOI Backup Document: Thermo-mechanical Local Support - Barrel Stave / Beck, G ; Jones, T ; Lynn, D ; Viehhauser, G
In this note, the design of the Local Support structure for the barrel strip section of the inner tracker (commonly referred to as a stave) is presented. [...]
ATL-UPGRADE-PUB-2013-010. - 2013. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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3338.
System Electronics for the ATLAS Upgraded Strip Detector / Affolder, T (U. Liverpool (main)) ; Anghinolfi, F (CERN) ; Clark, A (Geneva U.) ; Dabrowskic, W (AGH-UST, Cracow) ; Dewitt, J (UC, Santa Cruz) ; Diez Cornell, S (LBL, Berkeley) ; Dressdant, N (Pennsylvania U.) ; Fadeyev, V (UC, Santa Cruz) ; Farthouat, P (CERN) ; Ferrere, D (Geneva U.) et al.
The basic concept of the front-end system of the Silicon Strip Detector in the Atlas Detector upgraded for the HL-LHC is being elaborated and proposed. [...]
ATL-UPGRADE-PUB-2013-011. - 2013. - 53 p.
Original Communication (restricted to ATLAS) - Full text
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3339.
Radiation background studies for the Phase II inner tracker upgrade / Miyagawa, P S (Sheffield U.) ; Dawson, I (Sheffield U.)
Radiation background simulations have been performed using PYTHIA8 and FLUKA for the ATLAS Phase II tracker upgrade at the HL-LHC. [...]
ATL-UPGRADE-PUB-2013-012. - 2013. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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3340.
Studies of Inner Detector Layouts with 5 Pixel layers for the Phase-II Upgrade / Ludwig, A (UC, Berkeley, PMB) ; Heinemann, B (LBNL, Berkeley ; UC, Berkeley, PMB) ; Garcia-Sciveres, M (LBNL, Berkeley)
This note describes a study of Inner Detector layouts for the phase-II upgrade. [...]
ATL-UPGRADE-PUB-2013-013. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3341.
Signal modelling systematics at ATLAS / Fleck, Ivor (Siegen U.)
For the analysis of various properties of the top quark, parameters like selection efficiency are taken from simulated event samples. [...]
ATL-PHYS-PROC-2013-058. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3342.
Physics objects reconstruction in the ATLAS experiment / Xella, S (Bohr Inst.)
This document presents a brief overview of the ATLAS detector and a detailed overview of the physics objects reconstruction in the ATLAS experiment
ATL-GEN-PROC-2013-001. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3343.
ATLAS measurements of photons, jets and subjets / Gibson, S M (CERN)
Comprehensive measurements of inclusive and dijet cross sections are presented, spanning the dijet mass range from 70 GeV to 4 TeV. [...]
ATL-PHYS-PROC-2013-059. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3344.
Overview of Recent ATLAS Physics Results / Conde Muino, P (LIP, Lisbon)
The ATLAS experiment is placed at the Large Hadron Collider (LHC) at CERN (Geneva). [...]
ATL-PHYS-PROC-2013-060. - 2013. - 14 p.
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3345.
Searches for Heavy Quarks at the ATLAS experiment / Succurro, A (Barcelona, IFAE)
During 2011 the ATLAS experiment at CERN collected around 5\ifb of proton-proton collision data from the LHC at the center-of-mass energy of $\sqrt{s}=7~$TeV. [...]
ATL-PHYS-PROC-2013-061. - 2013. - 8 p.
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3346.
Top Quark Charge Asymmetry Measurement with ATLAS at the LHC / Shaw, K (ICTP, Trieste ; INFN, Udine)
In the Standard Model top-antitop pair production is foreseen to be charge asymmetric in quark-antiquark annihilation at NLO. [...]
ATL-PHYS-PROC-2013-062. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3347.
Search for strongly produced superpartners in final states with two same sign leptons with the ATLAS detector using 21 fb-1 of proton-proton collisions at sqrt(s)=8 TeV.
A search for the production of supersymmetric particles decaying into final states with jets, b-jets, missing transverse momentum and two isolated leptons, e or µ, with the same electric charge (same-sign leptons) is presented. [...]
ATLAS-CONF-2013-007. - 2013. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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3348.
Measurement of the differential cross section of B+ meson production in pp collisions at sqrt(s)=7 TeV at ATLAS
The production cross section of $B^+$ mesons is measured as a function of transverse momentum $p_T$ and rapidity $y$ in proton-proton collisions at $\sqrt{s}=7$ TeV, using 2.4 fb$^{-1}$ of data recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2013-008. - 2013.
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3349.
Search for the standard model Higgs boson with the ATLAS detector / Orestano, D (Rome III U. ; INFN, Rome3)
This document presents a brief overview of some of the experimental techniques employed by the ATLAS experiment at the CERN Large Hadron Collider in the search for the Higgs boson predicted by the standard model of particle physics. [...]
ATL-PHYS-PROC-2013-063. - 2013. - 12 p.
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3350.
Top quarks objects definition and performance at ATLAS / Boisvert, V (Royal Holloway, U. of London)
The definition and performance of objects in events containing top quarks are presented. [...]
ATL-PHYS-PROC-2013-064. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3351.
Search for the Standard Model Higgs boson in the $H \rightarrow Z\gamma$ decay mode with pp collisions at $\sqrt{s} =$ 7 and 8 TeV
This note presents a search for the Standard Model Higgs boson in the decay channel $H \rightarrow Z\gamma$, $Z \rightarrow ℓℓ$, where $ℓ=e$ or $\mu$, using 20.7 $fb^{−1}$ of proton-proton collisions at $\sqrt{s} =$ 8 TeV and 4.6 $fb^{−1}$ of proton-proton collisions at $\sqrt{s}=7$ TeV recorded with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2013-009. - 2013. - 22 p.
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3352.
Search for a Standard Model Higgs boson in $H\rightarrow \mu\mu$ decays with the ATLAS detector.
An inclusive search for the Standard Model Higgs boson decaying into a muon–antimuon pair has been performed using data with an integrated luminosity of 20.7 fb$^{−1}$ collected with the ATLAS detector in pp collisions at $\sqrt{s}$ = 8 TeV at the Large Hadron Collider. [...]
ATLAS-CONF-2013-010. - 2013. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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3353.
Search for invisible decays of a Higgs boson produced in association with a Z boson in ATLAS
A direct search for evidence of decays to invisible particles of a Higgs boson at the Large Hadron Collider (LHC) is presented. [...]
ATLAS-CONF-2013-011. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3354.
Measurements of the properties of the Higgs-like boson in the two photon decay channel with the ATLAS detector using 25 $\mathrm{fb}^{-1}$ of proton-proton collision data
Measurements of the mass and couplings of the Higgs-like boson in the two photon decay channel with the ATLAS detector at the LHC are presented. [...]
ATLAS-CONF-2013-012. - 2013. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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3355.
Measurements of the properties of the Higgs-like boson in the four lepton decay channel with the ATLAS detector using 25 fb−1 of proton-proton collision data
This note presents an update of the search results and property measurements of the observed Higgs-like boson in the decay channel H → ZZ(∗) → l+l−l′+l′−, where l, l′ = e or μ, using proton-proton collision data corresponding to integrated luminosities of 4.6 fb−1 and 20.7 fb−1at √s = 7 TeV and √s = 8 TeV, respectively, recorded with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2013-013. - 2013.
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3356.
Combined measurements of the mass and signal strength of the Higgs-like boson with the ATLAS detector using up to 25 fb$^{-1}$ of proton-proton collision data
An update is presented of the measurement of the properties of the newly discovered boson using the the full $pp$ collision data sample recorded by the ATLAS experiment at the LHC for the channels $H\rightarrow\,\gamma\gamma$ and $H \rightarrow ZZ^{(*)} \rightarrow 4l$, corresponding to integrated luminosities of about 4.8 fb$^{-1}$ at $\sqrt{s}=7\,$TeV and 20.7 fb$^{-1}$ at $\sqrt{s}=8\,$TeV. [...]
ATLAS-CONF-2013-014. - 2013.
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3357.
Measurement of the Top Quark Properties with the ATLAS Detector / Guindon, S (SUNY, Albany ; Gottingen U., II. Phys. Inst.)
The top quark, discovered at the Tevatron in 1995 by both CDF and DØ collaborations, is the heaviest known particle. [...]
ATL-PHYS-PROC-2013-065. - 2013. - 5 p.
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3358.
Measurement of the top quark pair production cross section with ATLAS in $pp$ collisions at $\sqrt{s}=7$ TeV in the single-lepton channel using semileptonic b decays / Morris, JD (Queen Mary, U. of London)
The cross section for top quark pair production in $pp$ collisions at $\sqrt{s} = 7$ TeV is measured using data recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2013-066. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3359.
Search for resonant WZ → 3ℓ ν production in 1 √s = 8 TeV pp collisions with 13 fb−1 at ATLAS
A search is presented for a resonant state decaying to WZ in a fully leptonic channel,lvl'l' (l, l'=e, mu). [...]
ATLAS-CONF-2013-015. - 2013. - 17 p.
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3360.
Search for non-pointing photons in the diphoton and $E_T^{miss}$ final state in $\sqrt{s}=7~{TeV}$ proton-proton collisions using the ATLAS detector
A search has been performed for photons originating in the decay of a neutral long-lived particle, exploiting the capabilities of the ATLAS electromagnetic calorimeter to make precise measurements of the flight direction of photons, as well as the calorimeter’s excellent time resolution. [...]
ATLAS-CONF-2013-016. - 2013. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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3361.
Search for high-mass dilepton resonances in 20~$fb^{-1}$ of $pp$ collisions at $\sqrt s = 8$~TeV with the ATLAS experiment
The ATLAS detector is used to search for heavy neutral gauge bosons ($Z^\prime$) decaying to an electron-positron pair or a muon-antimuon pair. [...]
ATLAS-CONF-2013-017. - 2013. - 23 p.
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3362.
Search for heavy top-like quarks decaying to a Higgs boson and a top quark in the lepton plus jets final state in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
A search is presented for production of a heavy up-type quark ($t^\prime$) together with its antiparticle, assuming a significant branching ratio for subsequent $t^\prime$ decay into a Standard Model Higgs boson and a top quark, as predicted by vector-like quark models. [...]
ATLAS-CONF-2013-018. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3363.
Search for Type III Seesaw Model Heavy Fermions in Events with Four Charged Leptons using 5.8 fb$^{-1}$ of $\sqrt{s} =$ 8 TeV data with the ATLAS Detector
A search for Type III Seesaw model heavy fermions is presented. [...]
ATLAS-CONF-2013-019. - 2013. - 9 p.
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3364.
Searches for neutral and charged Higgs bosons in the ATLAS experiment as a test of physics beyond the Standard Model / Ferrari, A (Uppsala U.)
In several theories beyond the Standard Model, the Higgs sector consists of more than one complex scalar doublet. [...]
ATL-PHYS-PROC-2013-067. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3365.
Measurement of the total ZZ production cross section in proton-proton collisions at √s = 8 TeV in 20 fb−1 with the ATLAS detector
The ZZ production cross section has been measured by the ATLAS experiment using the four-lepton decay channel, where the term lepton implies electrons and muons. [...]
ATLAS-CONF-2013-020. - 2013.
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3366.
A Measurement of WZ Production in Proton-Proton Collisions at sqrt(s)=8TeV with the ATLAS Detector
This note presents measurements of $W^{\pm}Z$ production in pp collisions at a center-of-mass energy of 8 TeV using data collected by the ATLAS experiment in 2012 with an integrated luminosity of 13 $fb^{−1}$. [...]
ATLAS-CONF-2013-021. - 2013. - 11 p.
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3367.
Searches for Natural Supersymmetry with the ATLAS Detector / Hodgkinson, M (Sheffield U.)
The ATLAS collaboration has performed careful searches for production of third generation squarks and gluinos. [...]
ATL-PHYS-PROC-2013-068. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3368.
Searches for Exotics: Heavy resonances with the ATLAS detector / Viel, S (British Columbia U.)
Many theories that go beyond the Standard Model predict the existence of new heavy resonances decaying into pairs of particles. [...]
ATL-PHYS-PROC-2013-069. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3369.
Search for the Standard Model Higgs boson in the H to b-quarks pair and H to tau pair decay modes with the ATLAS detector / Farilla, A (INFN, Rome3)
We present an updated search for the Standard Model Higgs boson in the H to b-quarks pair and H to tau pair decay modes performed by the ATLAS experiment using 4.7 fb-1 of LHC data at sqrt(s)=7 TeV and 13.0 fb-1 at sqrt(s)= 8 TeV delivered in 2011 and 2012 respectively. [...]
ATL-PHYS-PROC-2013-070. - 2013. - 8 p.
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3370.
Inclusive cross sections of isolated prompt photons in pp collisions at $\sqrt{s}= 7$ TeV measured with the ATLAS detector using 4.7 $fb^{-1}$
A measurement of the cross section for the production of isolated prompt photons in pp collisions at a center-of-mass energy $\sqrt{s} = 7$ TeV is presented. [...]
ATLAS-CONF-2013-022. - 2013. - 17 p.
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3371.
Production of beauty and quarkonia in ATLAS / Jakoubek, T (Prague, Tech. U.)
Quarkonia and $b$-hadron production cross sections were measured using the ATLAS detector in proton-proton collisions at the Large Hadron Collider at $\sqrt{s}$ = 7 TeV using data collected in 2010 and 2011 runs. [...]
ATL-PHYS-PROC-2013-071. - 2013. - 7 p.
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3372.
Dynamics of isolated-photon and jet production in $pp$ collisions at $\sqrt s=7$ TeV with the ATLAS detector
The dynamics of isolated-photon plus jet production in $pp$ collisions at a centre-of-mass energy of $7$ TeV has been studied with the ATLAS detector at the LHC using an integrated luminosity of $37$ pb$^{-1}$. [...]
ATLAS-CONF-2013-023. - 2013. - 25 p.
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3373.
Search for direct production of the top squark in the all-hadronic ttbar + etmiss final state in 21 fb-1 of p-pcollisions at sqrt(s)=8 TeV with the ATLAS detector
The results of a search for direct pair production of scalar partners of the top quark in 20.5 fb-1 of pp collisions at sqrt(s)=8 TeV using the ATLAS detector at the LHC are reported. [...]
ATLAS-CONF-2013-024. - 2013. - 17 p.
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3374.
Search for direct stop pair production in events with a Z boson, b-jets and missing transverse energy with the ATLAS detector using 21~fb$^{-1}$ from proton-proton collision at $\sqrt{s}=8$ TeV
A search is presented for direct scalar top pair production using events with $Z$ bosons, $b$-jets and large missing transverse momentum in final states with two or three leptons forming a same-flavor opposite-sign lepton pair with invariant mass consistent with the $Z$ boson mass. [...]
ATLAS-CONF-2013-025. - 2013.
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3375.
Search for Supersymmetry in Events with Large Missing Transverse Momentum, Jets, and at Least One Tau Lepton in 21 $fb^{-1}$ of $\sqrt{s}$ = 8 TeV Proton-Proton Collision Data with the ATLAS Detector
A search for supersymmetry in events with large missing transverse momentum, jets, at least one hadronically decaying $\tau$ lepton and zero additional light leptons ($e$/$\mu$), has been performed using \integLumi of proton-proton collision data at $\sqrt{s}$ = 8 TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2013-026. - 2013.
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3376.
Search for Higgs bosons in Two-Higgs-Doublet models in the $H \rightarrow WW\rightarrow e \nu\mu\nu$ channel with the ATLAS detector
The Higgs-like boson observed at the LHC with a mass of approximately 125 GeV could be part of an extended scalar sector originating from two complex Higgs doublets. [...]
ATLAS-CONF-2013-027. - 2013. - 23 p.
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3377.
Search for electroweak production of supersymmetric particles in final states with at least two hadronically decaying taus and missing transverse momentum with the ATLAS detector in proton-proton collisions at $\sqrt{s}=8$ TeV
Results of a search for the production of weakly coupled supersymmetric particles decaying into final states with at least two hadronically decaying taus and missing transverse momentum are presented. [...]
ATLAS-CONF-2013-028. - 2013. - 24 p.
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3378.
Inclusive searches for squarks and gluinos with the ATLAS detector / Consorti, V (Freiburg U.)
Despite of the absence of any experimental evidence, supersymmetry is one of the best motivated theories beyond the Standard Model. [...]
ATL-PHYS-PROC-2013-072. - 2013. - 8 p.
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3379.
Searches for Physics Beyond the Standard Model in Monojets- and Monophoton-Events with the ATLAS Detector / Pöttgen, R (Mainz U. ; CERN)
Various models for new physics not described by the Standard Model predict event topologies with large missing transverse energy due to invisible new particles. [...]
ATL-PHYS-PROC-2013-073. - 2013. - 8 p.
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3380.
Top quark production in ATLAS / Ferreira de Lima, D E (Glasgow U.)
Measurements of the top quark production cross sections in proton-proton collisions with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2013-074. - 2013. - 8 p.
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3381.
The ATLAS Inner Detector operation, data quality and tracking performance / Stanecka, E (Cracow, INP)
The ATLAS Inner Detector is responsible for particle tracking in ATLAS experiment at CERN Large Hadron Collider (LHC) and comprises silicon and gas based detectors. [...]
ATL-INDET-PROC-2013-002. - 2013. - 6 p.
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3382.
Study of the spin of the Higgs-like boson in the two photon decay channel using 20.7 fb-1 of pp collisions collected at $\sqrt{s}$ = 8 TeV with the ATLAS detector
Studies of the spin of the Higgs-like boson in the $H \rightarrow \gamma\gamma$ channel with the ATLAS detector at the LHC are presented. [...]
ATLAS-CONF-2013-029. - 2013.
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3383.
Measurements of the properties of the Higgs-like boson in the $WW^{(\ast)} \to \ell \nu \ell \nu$ decay channel with the ATLAS detector using 25 fb$^{-1}$ of proton-proton collision data
Evidence for the Higgs-like boson in the $H \to WW^{(\ast)} \to \ell\nu\ell\nu$ channel is presented using the complete 2012 and 2011 data samples collected with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2013-030. - 2013. - 50 p.
Original Communication (restricted to ATLAS) - Full text
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3384.
Study of the spin properties of the Higgs-like particle in the $\boldsymbol{H\to WW^{(\ast)}\to e\nu\mu\nu}$ channel with 21 fb$^{-1}$ of $\sqrt{s} = 8$ TeV data collected with the ATLAS detector.
Recently, the ATLAS collaboration reported the observation of a new neutral particle in the search for the Standard Model Higgs boson. [...]
ATLAS-CONF-2013-031. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3385.
Search for $\cal{CP}$ violation in single top quark events in $pp$ collisions at $\sqrt{s}$ = 7 TeV with the ATLAS detector
This note presents a search for $\cal{CP}$ violation in the decay of single top quarks produced in the $t$-channel where the top quarks are predicted to be highly polarised, using the lepton+jets final state. [...]
ATLAS-CONF-2013-032. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3386.
Performance assumptions for an upgraded ATLAS detector at a High-Luminosity LHC
This note documents the performance assumptions used for the preparation of the ATLAS inputs to the 2012 European Strategy for Particle Physics. [...]
ATL-PHYS-PUB-2013-004. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3387.
Combination of the ATLAS and CMS measurements of the W-boson polarization in top-quark decays
This note describes the combination of recent measurements of the W-boson polarization in top-quark decays performed by the ATLAS and CMS Collaborations. [...]
ATLAS-CONF-2013-033. - 2013. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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3388.
Searches for SuperSymmetry in resonance production, R-parity violating signatures and events with long-lived particles with the ATLAS detector / Hayward, H (Liverpool U.)
An extended QCD sector beyond the minimal supersymmetric standard model or the admission of R-parity violation introduces new signatures to the search for supersymmetry at the LHC. [...]
ATL-PHYS-PROC-2013-075. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3389.
The search for the Standard Model Higgs boson produced in association with a vector boson and decaying to bottom quarks with the ATLAS detector / Clark, P J (Edinburgh U.)
These proceedings present an updated search for the Standard Model Higgs boson produced in association with a $W$ or $Z$ boson and decaying to $\bar{b}$. [...]
ATL-PHYS-PROC-2013-076. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3390.
Combined coupling measurements of the Higgs-like boson with the ATLAS detector using up to 25 fb$^{-1}$ of proton-proton collision data
This note presents an update of the measurements of the properties of the newly discovered boson using the full $pp$ collision data sample recorded by the ATLAS experiment at the LHC for the channels $H \rightarrow\gamma\gamma$, $H\rightarrow ZZ^{(*)} \rightarrow 4l$ and $H \rightarrow WW^{(*)} \rightarrow l \nu l \nu$, corresponding to integrated luminosities of up to 4.8 fb$^{-1}$ at $\sqrt{s}=7\,$TeV and 20.7 fb$^{-1}$ at $\sqrt{s}=8\,$TeV. [...]
ATLAS-CONF-2013-034. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3391.
Instrumental Backgrounds to $t{ar t}$ and Single Top Production at Hadron Colliders / Boudreau, J (Pittsburgh U.)
A number of backgrounds to top quark production at the LHC experiments (ATLAS and CMS) and the Tevatron experiments (CDF and D0) are characterized as instrumental: beam related-backgrounds, cosmic ray backgrounds, and backgrounds from non-prompt (or ``fake'') leptons. [...]
ATL-PHYS-PROC-2013-077. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3392.
Higgs Boson Searches at ATLAS / Goncalo, R (Royal Holloway, U. of London)
The present article gives an overview of the status of Higgs boson studies in the ATLAS experiment at the LHC, at the time of the Discrete 2012 Symposium..
ATL-PHYS-PROC-2013-078. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3393.
The ATLAS Muon Trigger / Ventura, A (INFN, Lecce ; Salento U.)
The ATLAS experiment at CERN's Large Hadron Collider (LHC) deploys a three-levels processing scheme for the trigger system. [...]
ATL-DAQ-PROC-2013-002. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3394.
Search for Electro-Weak Production of SUSY Particles in Events with Leptons in the Final State with the ATLAS Detector at the LHC / Wittkowski, J (LMU Munich)
Searches for electro-weak production of supersymmetry with multiple leptons in the final state are presented. [...]
ATL-PHYS-PROC-2013-079. - 2013. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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3395.
Status and future of the ATLAS Pixel Detector at the LHC / Rozanov, A (Marseille, CPPM)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2013-003. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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3396.
ATLAS Silicon Microstrip Tracker Operation and Performance / Barone, G (Geneva U.)
The Semi-Conductor Tracker (SCT) is a silicon strip detector and one of the key precision tracking devices of the Inner Detector of the ATLAS experiment at CERN LHC. [...]
ATL-INDET-PROC-2013-004. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3397.
Monte Carlo generator comparisons to ATLAS measurements constraining QCD radiation in top anti-top final states
Recently the ATLAS collaboration has measured several final state observables that are sensitive to additional parton radiation in top anti-top quark final states produced in proton-proton collisions at a centre-of-mass energies of $sqrt{s}=7$~TeV. [...]
ATL-PHYS-PUB-2013-005. - 2013. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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3398.
Search for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in 21$\,$fb$^{-1}$ of pp collisions at $\sqrt{s}=8\,$TeV with the ATLAS detector
A search for the direct production of charginos and neutralinos in final states with three leptons (electrons or muons) and missing transverse momentum is presented. [...]
ATLAS-CONF-2013-035. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3399.
Search for supersymmetry in events with four or more leptons in 21$\,$fb$^{-1}$ of pp collisions at $\sqrt{s}=8\,$TeV with the ATLAS detector
A search for supersymmetry in events with four or more leptons is presented. [...]
ATLAS-CONF-2013-036. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3400.
Search for direct top squark pair production in final states with one isolated lepton, jets, and missing transverse momentum in $sqrt{s}=8,$TeV $pp$ collisions using 21 fb$^{-1}$ of ATLAS data
A search is presented for direct top squark pair production in final states with one isolated electron or muon, jets, and missing transverse momentum in proton-proton collisions at a centre-of-mass energy of 8 TeV. [...]
ATLAS-CONF-2013-037. - 2013. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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3401.
The Standard Model physics with tau leptons in the final state in the ATLAS experiment / Kaczmarska, A (Cracow, INP)
The ATLAS physics program involving tau final states ranges from Standard Model measurements involving W, Z, and top pair production, to searches for the Higgs boson, Supersymmetry and other signatures beyond the Standard Model [...]
ATL-PHYS-PROC-2013-080. - 2013. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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3402.
Top quark pair production cross-section results at LHC in final states with tau or no leptons / Khoriauli, Gia (Bonn U.)
ATLAS and CMS measured the top quark pair production inclusive cross-section using proton-proton collision data collected at $7\;$TeV c.m. [...]
arXiv:1305.6952 ; ATL-PHYS-PROC-2013-081. - 2013-07-30. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Preprint
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3403.
Towards a Total Cross Section Measurement with the ALFA Detector at ATLAS / Trzebinski, M (Cracow, INP)
The main goals of the Absolute Luminosity For ATLAS (ALFA) detector providing an absolute luminosity and total cross section measurement are described. [...]
ATL-LUM-PROC-2013-001. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3404.
Exotics searches in ATLAS / Kaneda, M (CERN)
In the ATLAS experiment, a lot of Beyond Standard Model (BSM) scenarios are being searched for in a lot of signatures. [...]
ATL-PHYS-PROC-2013-082. - 2013. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3405.
Recent results from ATLAS / Winklmeier, F (CERN)
We review recent results of the ATLAS experiment at the Large Hadron Collider (LHC) at CERN using data collected during 7 TeV and 8 TeV proton-proton collisions, lead-lead collisions at 2.76 TeV and proton-lead collisions at 5.02 TeV center-of-mass energy. [...]
ATL-PHYS-PROC-2013-083. - 2013. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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3406.
Angular Analysis of $B_{d} \to K^{\ast 0}\mu^{+}\mu^{-}$ with the ATLAS Experiment
A measurement of the forward-backward asymmetry $A_{FB}$ and the fraction of the $K^{\ast 0}$ longitudinal polarisation $F_{L}$ in the decay $B_{d}^{0} \rightarrow K^{\ast 0} \mu^+\mu^-$ as a function of the di-muon invariant mass is presented. [...]
ATLAS-CONF-2013-038. - 2013. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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3407.
ATLAS Transition Radiation Tracker (TRT): Straw Tube Gaseous Detectors at High Rates / Vogel, A (Bonn U.)
The ATLAS Transition Radiation Tracker (TRT) is the outermost of the three tracking subsystems of the ATLAS Inner Detector. [...]
ATL-INDET-PROC-2013-005. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3408.
Search for the SM Higgs~boson in the diboson decay modes with the ATLAS detector / Carrillo-Montoya, G (Witwatersrand U.)
A Higgs~boson search in the $H\to\gamma\gamma$ $H\to WW\to\ell\nu\ell\nu$ and $H\to ZZ^{(*)}\to4\ell$ decay modes has been performed using proton-proton collisions collected in 2011 and 2012 with the ATLAS detector. [...]
ATL-PHYS-PROC-2013-084. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3409.
ATLAS TDAQ System Administration: an overview and evolution / LEE, CJ (Johannesburg U. ; CERN) ; BALLESTRERO, S (Johannesburg U.) ; BOGDANCHIKOV, A (Novosibirsk, IYF) ; BRASOLIN, F (INFN, Bologna) ; CONTESCU, AC (Bucharest U. ; CERN) ; DARLEA, G-L (Bucharest U.) ; KOROL, A (Novosibirsk, IYF) ; SCANNICCHIO, DA (UC, Irvine) ; TWOMEY, M (Washington U. ; CERN) ; VALSAN, ML (Bucharest U. ; CERN)
The ATLAS Trigger and Data Acquisition (TDAQ) system is responsible for the online processing of live data streaming from the ATLAS experiment at the Large Hadron Collider (LHC) at CERN. [...]
ATL-DAQ-PROC-2013-003. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3410.
Flavour tagged time dependent angular analysis of the $B_s \rightarrow J/\psi \phi$ decay and extraction of $\Delta \Gamma$ and the weak phase $\phi_s$ in ATLAS
A measurement of the $B_s \rightarrow J/\psi \phi$ decay parameters, updated to include flavour tagging is reported using $4.9$fb$^{-1}$ of integrated luminosity collected by the ATLAS detector from $pp$ collisions recorded in 2011. [...]
ATLAS-CONF-2013-039. - 2013. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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3411.
Recent results on Higgs to gamma gamma at ATLAS / Schwoerer, M (Annecy, LAPP ; Savoie U.)
This paper is intended to give an overview of the ATLAS results presented in december 2012 for the H → γγ channel using 4.8 fb−1 of data taken in 2011 at s =√7 TeV and 13.0 fb−1 of data taken in 2012 at s =√8 TeV..
ATL-PHYS-PROC-2013-085. - 2013. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3412.
SUSY Searches in Multi-Lepton Final States with the ATLAS detector / Martin-Haugh, S (Sussex U.)
Searches for the production of supersymmetric particles in proton-proton collisions with the ATLAS detector were performed with 13.0,ifb of data collected at $sqrt{s}=8$ TeV. [...]
ATL-PHYS-PROC-2013-086. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3413.
Standard Model Higgs boson at ATLAS / Petit, E (Annecy, LAPP ; Savoie U.)
The ATLAS results on the search and study of the Standard Model Higgs boson with 5 fb$^{-1}$ of $\sqrt{s}$ = 7 TeV and 13 fb$^{-1}$ of $\sqrt{s}$ = 8 TeV data are presented. [...]
ATL-PHYS-PROC-2013-087. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3414.
Top-quark production at ATLAS / DeViveiros, P-O (NIKHEF, Amsterdam)
Studies of the top-quark are an important part of the ATLAS physics program. [...]
ATL-PHYS-PROC-2013-088. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3415.
Charged particle multiplicity and correlations in heavy ion collisions in the ATLAS experiment / Zabinski, B (Cracow, INP)
Since the start of Large Hadron Collider (LHC) the ATLAS experiment has collected data from $p+p$, Pb+Pb and recently $p$+Pb collisions. [...]
ATL-PHYS-PROC-2013-089. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3416.
Measurements of the top-quark properties with the ATLAS detector at the LHC / Yu, J (Oklahoma State U.)
The top-quark discovered in 1995 is the third-generation up-type quark of the standard model (SM) of particle physics. [...]
ATL-PHYS-PROC-2013-090. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3417.
Recent Higgs$\rightarrow$ZZ$^{(*)}\rightarrow$4l results with the ATLAS experiment / Salvucci, A (Nijmegen U.)
This document presents a short update of the search results and a first measurement of the properties of the newly observed Higgs-like particle in the decay channel $H\rightarrow ZZ^{(*)}\rightarrow l^{+}l^{-}l'^{+}l'^{-} $, where $l,l'=e$ or $mu$, using LEl and LTw of proton-proton collisions at EcmEl and EcmTw TeV, respectively, recorded with the ATLAS detector. [...]
ATL-PHYS-PROC-2013-091. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3418.
Diboson physics at ATLAS / Bachas, K (Aristotle U., Thessaloniki)
This paper is intended to give an overview of the ATLAS results on the production cross sections of gauge boson pairs in their fully leptonic decay modes using data from pp collisions at $\sqrt{s}=7$ TeV for $WW,W\gamma,Z\gamma,ZZ$ and $WZ$ and $\sqrt{s}=8$ TeV for $ZZ$ at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2013-092. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3419.
Heavy Ion Physics with ATLAS / Citron, Z (Weizmann Inst.)
An overview of the ATLAS results from Pb+Pb collisions at \energy\ will be presented. [...]
ATL-PHYS-PROC-2013-093. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3420.
Searches for Supersymmetry and Exotics phenomena with the ATLAS detector / Robichaud-Véronneau, A (Oxford U.)
Searches for new physics beyond the Standard Model are performed using the p-p LHC data collected in 2011 at 7 TeV and in 2012 at 8 TeV centre-of-mass energy. [...]
ATL-PHYS-PROC-2013-094. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3421.
Study of the spin of the new boson with up to 25~fb$^{-1}$ of ATLAS data
This note presents a combined study of the spin of the Higgs boson candidate with a mass around 126 GeV which was observed in proton-proton collision data collected at the LHC with the ATLAS detector. [...]
ATLAS-CONF-2013-040. - 2013. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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3422.
Study of jet quenching in heavy ion collisions with the ATLAS detector / Santos, H (LIP, Lisbon)
Jets production in ultra-relativistic heavy ion collisions provides understanding of the mechanisms responsible for the hard scattered partons energy loss while crossing the hot and dense medium. [...]
ATL-PHYS-PROC-2013-095. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3423.
Heavy ion physics in ATLAS / Wozniak, K W (Cracow, INP)
During the operation in the years 2009-2013 the Large Hadron Collider (LHC) was delivering not only collisions of proton beams, but also Pb+Pb collisions and $p$+Pb collisions, at the center of mass energy $\sqrt{s_{_{NN}}} = 2.76$~TeV and $\sqrt{s_{_{NN}}} = 5.02$~TeV, respectively. [...]
ATL-PHYS-PROC-2013-096. - 2013. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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3424.
Measurement of multi-jet cross-section ratios and determination of the strong coupling constant in proton-proton collisions at sqrt(s)=7 TeV with the ATLAS detector.
The inclusive three-jet to two-jet cross-section ratio is measured as a function of both the leading jet transverse momentum and the transverse momentum of each jet in an event. [...]
ATLAS-CONF-2013-041. - 2013. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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3425.
Measurement of the production cross section of prompt $J/\psi$ mesons in association with a $W^{\pm}$ boson in $pp$ collisions at $\sqrt{s}=7$ TeV
The process $pp \to W^{\pm} J/\psi$ provides a powerful probe of the production mechanism of charmonium in hadronic collisions, and is also sensitive to multiple parton interactions in the colliding protons. [...]
ATLAS-CONF-2013-042. - 2013. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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3426.
QCD results from ATLAS / Orlando, N (INFN, Lecce ; Salento U.)
The most recent results QCD measurements performed in ATLAS are reviewed; the results summarized here are based on data collected with the ATLAS detector during the 2010 and 2011 data taking at center of mass energy s = 7 TeV, corresponding approximately to an integrated luminosity of 36 pb−1 and 4.6 fb−1 respectively..
ATL-PHYS-PROC-2013-097. - 2013. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3427.
Measurement of the forward-backward asymmetry of $Z/\gamma^{*}$ bosons decaying into electron and muon pairs with the ATLAS detector at $\sqrt{s}=7$ TeV
This note presents a study by the ATLAS experiment of lepton pairs from $Z/\gamma^{*}$-boson decay. [...]
ATLAS-CONF-2013-043. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3428.
Determination of the tau energy scale and the associated systematic uncertainty in proton-proton collisions at $\sqrt{s}=8\;\textrm{TeV}$ with the ATLAS detector at the LHC in 2012
This note describes the energy scale calibration of hadronic $\tau$ decays and the associated uncertainty in 4.5 fb$^{-1}$ of data at $\sqrt{s}=8$ TeV recorded in 2012 with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2013-044. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3429.
Analysis of the Radiation Field in ATLAS Using 2008 2011 Data from the ATLAS-MPX Network / Campbell, M (CERN) ; Heijne, E (IEAP CTU, Prague) ; Leroy, C (U. Montreal (main)) ; Martin, J-P (U. Montreal (main)) ; Mornacchi, G (CERN) ; Nessi, M (CERN) ; Pospisil, S (IEAP CTU, Prague) ; Solc, J (IEAP CTU, Prague) ; Soueid, P (U. Montreal (main)) ; Suk, M (IEAP CTU, Prague) et al.
The ATLAS-MPX collaboration has installed a network of 16 Medipix2 pixel detector based, single-quantum-sensitive devices before the LHC start-up in 2008 at various positions in the ATLAS experimental and technical caverns. [...]
ATL-GEN-PUB-2013-001. - 2013. - 94 p.
Original Communication (restricted to ATLAS) - Full text
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3430.
Higgs searches with ATLAS / Aurousseau, M (Johannesburg U.)
This document is an overview of the recent results from the ATLAS experiment in the search for a Standard Model Higgs boson, using an integrated luminosity of 4.8~\ifb{} and 13~\ifb{} of data at 7~\TeV{} and 8~\TeV{} in the center-of-mass, respectively. [...]
ATL-PHYS-PROC-2013-098. - 2013. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3431.
Electroweak Physics at ATLAS / Conti, G (Harvard U.)
Various electroweak measurements have already been performed at the ATLAS experiment since the start of the Large Hadron Collider at CERN. [...]
ATL-PHYS-PROC-2013-099. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3432.
Calibration an Performance of the ATLAS Tile Calorimeter / Peralva, B S (Juiz de Fora U.)
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the most central region of the ATLAS experiment at the LHC. [...]
ATL-TILECAL-PROC-2013-002. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3433.
Electroweak and Top Results from ATLAS / Marx, M (Manchester U.)
An overview of recent electroweak and top quark measurements with the ATLAS detector is given..
ATL-PHYS-PROC-2013-100. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3434.
Searches for BSM Higgs Bosons at the LHC / Boehler, M (Freiburg U.)
Searches for Higgs bosons in different extensions of the Standard Model which predict additional neutral and charged Higgs bosons are presented, such as: The Minimal Supersymmetric extension of the Standard Model (MSSM), the next-to Minimal Supersymmetric extension of the Standard Model (nMSSM), two Higgs doublet models, four-generation and fermiophobic models. [...]
ATL-PHYS-PROC-2013-101. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3435.
Hard Probes with ATLAS / Grabowska-Bold, I (AGH-UST, Cracow)
An overview of the latest results on high-transverse momentum particle production in lead-lead collisions at a center-of-mass energy sqrt(s_NN)=2.76 TeV obtained with the ATLAS experiment is presented. [...]
ATL-PHYS-PROC-2013-102. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3436.
Top Quark Production at the LHC / Aoki, Masato (KMI, Nagoya)
Measurements of the production cross section for top quark pairs and the single top quark by the ATLAS and CMS collaborations at the LHC are presented. [...]
arXiv:1305.3695 ; ATL-PHYS-PROC-2013-103 ; ATL-PHYS-PROC-2013-103. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext
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3437.
Top physics at ATLAS / D'Auria, S (Glasgow U.)
This paper is an overview of recent results on top-quark physics obtained by the ATLAS collaboration from the analysis of p-p collisions at 7 and 8 TeV..
ATL-PHYS-PROC-2013-104. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3438.
ATLAS Tile Calorimeter Readout Electronics Upgrade Program for the High Luminosity LHC / Cerqueira, A S (Juiz de Fora U.)
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the most central region of the ATLAS experiment at LHC. [...]
ATL-TILECAL-PROC-2013-003. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3439.
SEARCH FOR HIGH-MASS RESONANCES AND OTHER EXOTICA AT THE LHC / Butler, J M (Boston U.)
With the discovery of the Standard Model Scalar boson by the ATLAS and CMS collaborations, all the constituents of the Standard Model (SM) of particle physics have been observed. [...]
ATL-PHYS-PROC-2013-105. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3440.
Search for strongly produced superpartners in final states with 2 same-sign leptons and jets with the ATLAS detector. / MAURER, J (Marseille, CPPM)
A search for the production of supersymmetric particles decaying into final states with jets (b-tagged or not), missing transverse momentum and two isolated leptons, electron or muon, of the same sign is presented. [...]
ATL-PHYS-PROC-2013-106. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3441.
Exotics Searches at ATLAS / Pueschel, E (Massachusetts U., Amherst)
An overview of recent searches for exotic signatures using the ATLAS detector at the LHC is given. [...]
ATL-PHYS-PROC-2013-107. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3442.
ATLAS studies on Higgs to diboson states / Hubaut, F (Marseille, CPPM)
The latest studies on the observed Higgs-like boson performed by the ATLAS experiment in diboson channels are reported. [...]
ATL-PHYS-PROC-2013-108. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3443.
Higgs searches at ATLAS / Pagan Griso, S (LBNL, Berkeley)
On July 2012, the ATLAS and CMS collaboration announced together the observation of a new boson in the Higgs searches, with a mass around 126 GeV. [...]
ATL-PHYS-PROC-2013-109. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3444.
Flow phenomena in ATLAS / Andreazza, A (INFN, Milan ; Milan U.)
Measurements of flow anisotropy coefficients have been performed with the ATLAS detector at the LHC, on a sample of 8 μb−1 minimum bias Pb-Pb collisions at centre-of-mass energy √sNN = 2.76 TeV and a sample of 1 μb−1 p-Pb collisions at √sNN = 5.02 TeV. [...]
ATL-PHYS-PROC-2013-110. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3445.
Diboson production cross section at LHC / Lombardo, Vincenzo (Annecy, LAPP)
This paper presents an overview of the diboson production cross-section measurements and constraints on anomalous triple-gauge boson couplings performed by the ATLAS and CMS collaborations using proton-proton collisions produced at a centre-of-mass energy of $\sqrt{s}$ = 7 and 8 TeV at LHC. [...]
arXiv:1305.3773 ; ATL-PHYS-PROC-2013-111. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text - Fulltext
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3446.
ATLAS Upgrades Towards the High Luminosity LHC / Zhu, H (DESY)
With the LHC having successfully collected data at center-of-mass energies of sqrt{s} = 7/8 TeV, plans are actively advancing for a series of upgrades leading eventually to about five times the LHC design luminosity some 10-years from now in the High-Luminosity LHC (HL-LHC) project. [...]
ATL-UPGRADE-PROC-2013-002. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3447.
Moriond-EW-2013 proceedings: Combination of results on the Higgs Boson in Atlas. / Mansoulie, Bruno (IRFU, SPP, Saclay)
The combination of the most recent results obtained by the ATLAS experiment at the LHC on the Higgs boson is presented. [...]
ATL-PHYS-PROC-2013-112. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3448.
Third Generation SUSY Searches at the LHC / Favareto, A (INFN, Milan ; Milan U.)
The ATLAS and CMS experiments have recently searched for evidence of third generation squark production in a variety of final states, using proton-proton collision data from the Large Hadron Collider (LHC) operating at sqrt(s) = 8 TeV. [...]
ATL-PHYS-PROC-2013-113. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3449.
Higgs search at ATLAS / Consonni, Sofia Maria (U. Milan ; INFN, Milan)
In this paper the results of Higgs searches at the ATLAS experiment, operating at the LHC, are summarised. [...]
arXiv:1305.3315 ; ATL-PHYS-PROC-2013-114. - 2013. - 12 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text - Fulltext
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3450.
Measurement of the $t$-channel single top-quark cross sections with the ATLAS detector at the LHC / Becker, K (Wuppertal U.)
The production of single top quarks at the LHC is dominated by the t-channel exchange of a virtual W boson that is emitted by a light quark inside one of the colliding protons. [...]
ATL-PHYS-PROC-2013-115. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3451.
Long-range correlations in proton-lead collisions at $\sqrt{s_{NN}} = 5.02$ TeV from ATLAS / Jia, J (SUNY, Stony Brook ; Brookhaven)
Two-particle correlations in relative azimuth $\Delta\phi$ and relative pseudorapidity $\Delta\eta$ are studied in $p$+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with the ATLAS detector at LHC. [...]
ATL-PHYS-PROC-2013-116. - 2013. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3452.
Measurement of the production of a $W$ bosons in association with a charm hadron in $pp$ collisions at $\sqrt{s}=7$ TeV
The production of a $W$ boson in association with a single charm quark is studied using 4.6 fb$^{-1}$ of $pp$ collision data collected with the ATLAS detector at $\sqrt{s}=7~$TeV in 2011. [...]
ATLAS-CONF-2013-045. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3453.
ZZ Production Cross Section at 8TeV with the ATLAS Detector / Kouskoura, V (Aristotle U., Thessaloniki ; CERN)
The latest measurement of the SM ZZ production cross section at 8 TeV using data recorded by the ATLAS experiment at the Large Hadron Collider is presented. [...]
ATL-PHYS-PROC-2013-117. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3454.
SUSY Searches for Inclusive Squark and Gluino Production at the LHC / Mann, Alexander (Munich U.)
A selection of recent searches for Supersymmetry conducted by the ATLAS and CMS collaborations is presented, summarizing the relevant results for inclusive squark and gluino production at the LHC. [...]
arXiv:1305.3545 ; ATL-PHYS-PROC-2013-118 ; ATL-PHYS-PROC-2013-118. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Fulltext - Preprint
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3455.
Heavy flavor production at ATLAS and CMS / Bouhova-Thacker, E (Lancaster U.)
Recent measurements of open beauty and heavy quarkonium production, made by ATLAS and CMS at the Large Hadron Collider, are presented and compared to theoretical predictions..
ATL-PHYS-PROC-2013-119. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3456.
Heavy flavor measurements at LHC / Spagnolo, S (Salento U. ; INFN, Lecce)
ATLAS and CMS measurements in the area of heavy flavor physics are reviewed with focus on the most recent results. [...]
ATL-PHYS-PROC-2013-120. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3457.
Study of Higgs Production in Bosonic Decay Channels at ATLAS / Mountricha, E (Brookhaven)
The latest results on the studies of the Higgs production in the bosonic decay channels at ATLAS are reported, involving the H → γγ, H → ZZ(∗), H → W W (∗) and H → Zγ decay channels. [...]
ATL-PHYS-PROC-2013-121. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3458.
Measurements of Higgs boson properties in ATLAS / Adye, T (Rutherford)
Combined measurements of the properties of the Higgs boson using the full pp collision data sample recorded by the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2013-122. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3459.
Standard Model Higgs Boson Searches at ATLAS / Kraus, J K (Bonn U.)
A search for the Standard Model Higgs boson in proton-proton collisions with the ATLAS detector at the Large Hadron Collider is presented in this document. [...]
ATL-PHYS-PROC-2013-123. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3460.
SEARCH FOR EWKINO PRODUCTION AND LONG-LIVED PARTICLES AT THE LHC / Verducci, M (Seattle U.)
The Large Hadron Collider has extended the reach of particle-physics experiments with a potential for discovery of new physics at the TeV scale and many searches have been carried out by both ATLAS and CMS. [...]
ATL-PHYS-PROC-2013-124. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3461.
Electroweak Measurements with the ATLAS and CMS Experiments / Hassani, S (IRFU, Saclay)
Various electroweak measurements have already been performed at ATLAS and CMS since the start of the LHC. [...]
ATL-PHYS-PROC-2013-125. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3462.
Photon production at the LHC / Lafaye, R (Annecy, LAPP)
We review the last results on photon production at the LHC by the ATLAS and CMS experiments obtained in proton-proton collisions with a center of mass energy of 7 TeV in 2010 and 2011, corresponding to a maximum integrated luminosity of 5 fb−1. [...]
ATL-PHYS-PROC-2013-126. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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3463.
Discussion on the electromagnetic calorimeters of ATLAS and CMS / Aleksa, M (CERN) ; Diemoz, M (INFN, Rome)
This document summarizes a discussion on the electromagnetic calorimeters of ATLAS and CMS, two experiments at the CERN Large Hadron Collider (LHC), that took place at the 13th Vienna Conference on Instrumentation in February 2013. [...]
ATL-LARG-PROC-2013-002. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3464.
Measurement of the Top Quark Mass from $\sqrt{s}=7$ TeV ATLAS Data using a 3-dimensional Template Fit
The top quark mass has been measured using the template method in the channel t ¯t → lepton+jets (lepton=e, μ) based on ATLAS data recorded in the year 2011. [...]
ATLAS-CONF-2013-046. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3465.
Search for squarks and gluinos with the ATLAS detector in final states with jets and missing transverse momentum and 20.3 fb$^{-1}$ of $\sqrt{s}=8$ TeV proton-proton collision data
A search for squarks and gluinos in final states containing high-$p_T$ jets, missing transverse momentum and no electrons or muons is presented. [...]
ATLAS-CONF-2013-047. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3466.
Search for direct top squark pair production in final states with two leptons in $\sqrt{s}$ = 8 TeV pp collisions using $20$fb$^{-1}$ of ATLAS data.
The results of a search for direct pair production of supersymmetric partners of the top quark are reported using 20.3 \ifb\ of integrated luminosity from LHC $pp$ collisions at 8~\TeV\ collected by the ATLAS detector. [...]
ATLAS-CONF-2013-048. - 2013. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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3467.
Search for direct-slepton and direct-chargino production in final states with two opposite-sign leptons, missing transverse momentum and no jets in 20/fb of pp collisions at sqrt(s) = 8 TeV with the ATLAS detector
Searches for the electroweak production of pairs of sleptons or charginos decaying into final states with two leptons, missing transverse momentum and no reconstructed jets are performed using 20.3 fb-1 of proton-proton collision data at sqrt(s) = 8 TeV recorded with the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2013-049. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3468.
Search for $W' \rightarrow t\bar{b}$ in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}$ = 8 TeV with the ATLAS detector
A search for $W'$ bosons is performed with the ATLAS detector at the LHC in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}$ = 8 TeV, using a dataset corresponding to an integrated luminosity of 14.3 $fb^{-1}$. [...]
ATLAS-CONF-2013-050. - 2013. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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3469.
Search for anomalous production of events with same-sign dileptons and $b$ jets in 14.3 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector
A search is presented for exotic processes that result in final states containing jets including at least one $b$ jet, sizable missing transverse momentum, and a pair of leptons with the same electric charge. [...]
ATLAS-CONF-2013-051. - 2013. - 31 p.
Original Communication (restricted to ATLAS) - Full text
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3470.
A search for $t\bar{t}$ resonances in the lepton plus jets final state with ATLAS using 14 fb$^{−1}$ of pp collisions at $\sqrt{s}=8$ TeV
A search for new particles that decay into top quark pairs ( $t\bar{t}$) is performed with the ATLAS experiment at the LHC using an integrated luminosity of 14 fb$^{-1}$ of proton-proton collision data collected at center-of-mass energy $\sqrt{s}=8$ TeV. [...]
ATLAS-CONF-2013-052. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3471.
Search for direct third generation squark pair production in final states with missing transverse momentum and two $b$-jets in $\sqrt{s}$ = 8 TeV $pp$ collisions with the ATLAS detector.
The result of a search for pair production of the supersymmetric partners of the Standard Model third generation quarks is reported. [...]
ATLAS-CONF-2013-053. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3472.
Search for new phenomena using final states with large jet multiplicities and missing transverse momentum with ATLAS in 20 fb$^{-1}$ of $\sqrt{s}=8\,$TeV proton-proton collisions
A search is presented for new particles decaying to large numbers of jets in association with missing transverse momentum, using 20.3 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=8\,$TeV collected by the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2013-054. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3473.
B-physics in ATLAS / Nikolaenko, V (Serpukhov, IHEP)
A survey of B-physics and quarkonium production studies in ATLAS experiment is presented, on the data acquired from $pp$ interactions at $\sqrt s = 7 : TeV$ at LHC. [...]
ATL-PHYS-PROC-2013-127. - 2013. - 12 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3474.
The ATLAS Distributed Computing: the challenges of the future / Sakamoto, H (Tokyo U., ICEPP)
The ATLAS experiment has collected more than 25 fb-1 of data since LHC has started it's operation in 2010. [...]
ATL-SOFT-PROC-2013-001. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3475.
Heavy Flavour Production and Decay at ATLAS / Jones, RWL (Lancaster U.)
ATLAS is taking advantage of its large integrated luminosity band sophisticated muon and dimuon triggers to make competitive measurements of heavy flavour production and decay. [...]
ATL-PHYS-PROC-2013-128. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3476.
Angular Analysis of $B\rightarrow K^{*} \mu \mu$ with the ATLAS Experiment / Usanova, Anna (Innsbruck U.)
A measurement of the muon forward-backward asymmetry $A_{fb}$ and the fraction of the K* longitudinal polarisation $F_{L}$ in the decay $B\rightarrow K^{*} \mu \mu$ is presented. [...]
ATL-PHYS-PROC-2013-129. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3477.
ATLAS Overview and Main Results / Sliwa, K (Tufts U. (main))
An overview of the ATLAS experiment, its physics program and a selection of the most important results, based on the data taken in pp collisions at energies of 7 and 8 TeV in 2011 and 2012, respectively, is presented. [...]
ATL-PHYS-PROC-2013-130. - 2013. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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3478.
The online muon identification with the ATLAS experiment at the LHC / Marx, M (Manchester U.)
The Large Hadron Collider (LHC) at CERN is a proton-proton collider providing the highest energy and the highest instantaneous luminosity ever achieved at a hadron collider. [...]
ATL-DAQ-PROC-2013-004. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3479.
ATLAS measurements of the 7 and 8 TeV cross sections for $Z\rightarrow 4\ell$ in pp collisions
This note presents measurements of singly-resonant $Z$ decay to four leptons ($e^+e^-e^+e^-$, $\mu^+\mu^-\mu^+\mu^-$, and $e^+e^- \mu^+\mu^-$ ) in proton-proton collisions at 7 TeV and 8 TeV with the ATLAS detector. [...]
ATLAS-CONF-2013-055. - 2013. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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3480.
Upgrade of the First Level Muon Trigger in the End-Cap New Small Wheel Region of the ATLAS Detector / Munwes, Y (Tel Aviv U.)
The luminosity levels foreseen at the LHC after the 2018 LHC upgrade will tighten the demands on the ATLAS first level muon trigger system. [...]
ATL-DAQ-PROC-2013-005. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3481.
Photon identification efficiency measurement in ATLAS experiment and its application to the $H\to\gamma\gamma$ analysis / Soldatov, E (Moscow Phys. Eng. Inst.)
Photon candidates in ATLAS experiment on LHC after their reconstruction are highly contaminated by misidentified QCD jets. [...]
ATL-PHYS-PROC-2013-131. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3482.
Calibrating and preserving the energy scale of the Tile Calorimeter cells during four years of LHC data-taking / Dubreuil, E (Clermont-Ferrand U.)
TileCal is the hadronic calorimeter covering the most central region of ATLAS experiment at the LHC. [...]
ATL-TILECAL-PROC-2013-004. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3483.
A new portable test bench for the ATLAS Tile Calorimeter front-end electronics certification / Alves, J (LIP, Lisbon) ; Carrió, F (Valencia U., IFIC) ; Hee Yeun, K ; Minashvili, I (Dubna, JINR) ; Moreno, P (Valencia U., IFIC) ; Qin, G ; Reed, R (Witwatersrand U.) ; Schettino, V (Juiz de Fora U.) ; Shalyugin, A (Dubna, JINR) ; Solans, C (CERN) et al.
This paper describes the upgraded portable test bench for the Tile Calorimeter of the ATLAS experiment at CERN. [...]
ATL-TILECAL-PROC-2013-005. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3484.
Performance of the ATLAS Liquid Argon Calorimeter after three years of LHC operation and plans for a future upgrade / Nikiforou, N (Columbia U. (main))
The ATLAS experiment is designed to study the proton-proton collisions produced at the Large Hadron Collider (LHC) at CERN. [...]
ATL-LARG-PROC-2013-003. - 2013. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3485.
SUSY and Dark Matter Results from ATLAS / Sandaker, H (Bergen U.)
New results from LHC are increasingly challenging the limits of the Standard Model of particle physics. [...]
ATL-PHYS-PROC-2013-132. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3486.
An Upgraded ATLAS Central Trigger for 2015 Luminosities / Poettgen, R (Mainz U. ; CERN)
The Central Trigger Processor (CTP) is the core unit of the first of three levels that constitute the ATLAS trigger system. [...]
ATL-DAQ-PROC-2013-006. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3487.
B and Lambda_b lifetimes at ATLAS and CMS / Schiavi, C (Genoa U. ; INFN, Genoa)
The status of some beauty lifetime measurements performed by the ATLAS and CMS experiments at the LHC is reviewed, focusing on B hadrons and the Λ0b baryon. [...]
ATL-PHYS-PROC-2013-133. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3488.
ATLAS $B_{s} \rightarrow \mu\mu$ / Nobe, T (Tokyo Inst. Tech.)
A search for Bs → μ + μ − in p p collisions at a centre-of-mass energy of 7 TeV has been performed using data collected with the ATLAS detector in 2011 corresponding to 2.4fb−1 of the integrated luminosity. [...]
ATL-PHYS-PROC-2013-134. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3489.
Overview of the Insertable B-Layer (IBL) Project of the ATLAS Experiment at the Large Hadron Collider at CERN / Flick, T (Bergische U., Wuppertal (main))
The ATLAS experiment will upgrade its Pixel Detector with the installation of a new pixel layer in 2013/14. [...]
ATL-INDET-PROC-2013-006. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3490.
Measurement of $\phi_s$, $\Delta\Gamma_s$ and Lifetime in $B_s \rightarrow J/\psi\phi$ at ATLAS and CMS / Heller, C (LMU Munich)
The $B_s \rightarrow J/\psi\phi$ decay is characterized by the decay width $\Gamma_s$, the decay width difference $\Delta\Gamma_s$ and the CP violating phase $\phi_s$. [...]
ATL-PHYS-PROC-2013-135. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3491.
Spectroscopy of excited states at ATLAS / Cuthbert, C (Sydney U.)
Spectroscopic studies using up to 4.9 fb−1 of data collected by the ATLAS detector during 2011 are reviewed. [...]
ATL-PHYS-PROC-2013-136. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3492.
The ATLAS Trigger/DAQ Authorlist / Abreu, R (CERN) ; Achenbach, R ; Aielli, G ; Aleksandrov, I N ; Alexandrov, E ; Allbrooke, B ; Aloisio, A ; Alonso, F ; Alvarez Gonzalez, B ; Alviggi, M G et al.
This is the ATLAS Trigger/DAQ Authorlist, version 13.05 (May 30, 2013)..
ATL-DAQ-PUB-2013-001. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3493.
Operation and Performance of the ATLAS Semiconductor Tracker / Barlow, N (Cambridge U.)
The ATLAS detector is the largest of the four main particle detectors at the Large Hadron Collider at CERN, Switzerland. [...]
ATL-INDET-PROC-2013-007. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3494.
Use of Hadronic Calorimetry Information in the ATLAS Level-1 Muon Trigger / Ciodaro, T (Rio de Janeiro Federal U.) ; de Seixas, JM (Rio de Janeiro Federal U.) ; Cerqueira, A (Juiz de Fora U.)
The ATLAS Tile hadronic calorimeter (TileCal) provides highly-segmented energy measurements for incident particles [...]
ATL-TILECAL-PROC-2013-006. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3495.
Intrinsic top quark properties: mass, charge and polarisation measured with the ATLAS detector at the LHC / Balli, F (IRFU, SPP, Saclay) /for the ATLAS collaboration
The top quark was discovered at the Tevatron in 1995. Measuring its intrinsic properties can provide good tests of the Standard Model. [...]
ATL-PHYS-PROC-2013-137.- Geneva : CERN, 2013 - 5 p. - Published in : EPJ Web Conf. 60 (2013) 16008 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.16008
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3496.
Inner tracking performance in ATLAS: vertex and mass resolution / Chalupkova, I (Charles U.)
The ATLAS Inner Detector track reconstruction showed an excellent performance during Run 1 of the LHC from 2009 to 2013, while the increasing number of instantaneous proton-proton collisions created a more and more challenging environment during this period. [...]
ATL-PHYS-PROC-2013-138. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3497.
Higgs Search in $b\bar{b}$ Signatures at ATLAS and CMS / Nagai, Yoshikazu (Marseille, CPPM) ; on behalf of the ATLAS and CMS Collaborations
We report on searches for the Standard Model Higgs boson decaying to $b \bar{b}$ in $pp$ collisions at the ATLAS and CMS experiments. [...]
arXiv:1306.1784 ; ATL-PHYS-PROC-2013-139 ; ATL-PHYS-PROC-2013-139. - 2013. - 8 p.
Proceedings of Science Server - Fulltext - Preprint - Fulltext - Full text
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3498.
"Flavour Tagging and Systematics for $B_{s}$ $\rightarrow$ $J/\psi$$\phi$ Measurement in ATLAS" / Agatonovic Jovin, T (Belgrade U.)
The ATLAS experiment sets an updated measurement of CP violation in the $B_{s}$-meson system by studying the asymmetry of $B_{s}$ $\rightarrow$ $J/\psi$$\phi$ decays into final CP eigenstates, using a flavour tagged time-dependent analysis. [...]
ATL-PHYS-PROC-2013-140. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3499.
The ATLAS Tau Trigger / Rados, PK (Melbourne U.)
The tau lepton plays a crucial role in understanding particle physics at the Tera scale. [...]
ATL-DAQ-PROC-2013-007. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3500.
Search for the Standard Model Higgs boson in the $H\to\tau\tau$ channel with the ATLAS detector / Pitt, M (Weizmann Inst.)
The search for the Standard Model (SM) Higgs boson decaying into a pair of $\tau$ leptons provides a direct measurement for Higgs boson coupling to fermions, and tests SM predictions. [...]
ATL-PHYS-PROC-2013-141. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3501.
Muon reconstruction and performances with the ATLAS detector / Sforza, F (Munich, Max Planck Inst.)
The ATLAS detector is designed for efficient muon identification and high precision momentum measurement across three orders of magnitude of muon energy (from a few GeV up to a few TeV) [...]
ATL-MUON-PROC-2013-002. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3502.
ATLAS measurements of Drell-Yan lepton-pair production as probes of the Standard Model / Vincter, MG (Carleton U.) /for the ATLAS collaboration
Measurements of Drell-Yan lepton-pair production cross sections and associated angular correlations can provide unique insight into perturbative Quantum Chromodynamics in the absence of colour flow between initial and final states, the V-A nature of electroweak interactions, as well as enhance the knowledge of parton distribution functions in the proton. Drell-Yan production is also an important source of background for other Standard-Model processes such as Higgs-boson production as well as for new phenomena, particularly at high dilepton invariant mass, and so must be evaluated precisely at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2013-142.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20001 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20001
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3503.
Evidence for the associated production of a W boson and a top quark in ATLAS / Stillings, J A (Bonn U.) /for the ATLAS collaboration
In proton-proton collisions at the LHC, top quarks can be produced in pairs via the strong interaction and individually via the weak interaction. The weak interaction production can be subdivided into three channels: the $t$-channel, the $s$-channel and the associated production of a $W$ boson and a top quark. [...]
ATL-PHYS-PROC-2013-143.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20005 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20005
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3504.
Search for direct top squark pair production in final states with one electron or muon using 21 fb$^{−1}$ of ATLAS data / Rosbach, K (Geneva U.) /for the ATLAS collaboration
This article presents latest results of the search for top squark pair production in final states with one isolated lepton, jets, and missing transverse momentum in $\sqrt s=8$ TeV pp collisions using L=21 fb$^{-1}$ of data recorded with the ATLAS detector at the LHC. Two top squark decay scenarios are considered: (a) to a top quark and a long-lived undetected neutral particle (LSP), (b) to a bottom quark and a chargino, where the chargino decays via an on- or off-shell W boson to the LSP. [...]
ATL-PHYS-PROC-2013-144.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20032 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20032
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3505.
Search for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in 21 fb$^{-1}$ of pp collisions at $\sqrt(s) =$ 8 TeV with the ATLAS detector / Schneider, Basil (Bern U.) /for the ATLAS collaboration
A search for direct chargino and neutralino production processes is presented in a final state with exactly 3 leptons (electrons or muons). No excess over the Standard Model has been observed. [...]
ATL-PHYS-PROC-2013-145.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20040 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20040
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3506.
Search for the Standard Model Higgs boson in $H\rightarrow\mu^{+}\mu^{-}$ decays with the ATLAS detector / Rudolph, C (Dresden, Tech. U.) /for the ATLAS collaboration
An inclusive search for the Standard Model Higgs boson in the dimuon decay channel is presented. The search utilizes 20.7 $\textrm{fb}^{-1}$ of proton-proton collision data at a center-of-mass energy of $\sqrt{s} = 8$ TeV recorded by the ATLAS detector in 2012. [...]
ATL-PHYS-PROC-2013-146.- Geneva : CERN, 2013 - 4 p. - Published in : EPJ Web Conf. 60 (2013) 20045 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20045
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3507.
Photon, diphoton and photon+jet production measured with the ATLAS detector / Svatos, M (Prague, Inst. Phys.)
Isolated prompt photons provide a direct probe of short-distance physics, complementary to that provided by measurements of jets or vector-bosons. [...]
ATL-PHYS-PROC-2013-147. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3508.
New Physics searches in heavy flavours in ATLAS / Leontsinis, Stefanos (Natl. Tech. U., Athens ; Brookhaven Natl. Lab.) /on behalf of the ATLAS Collaboration
Precision determinations of the flavour sector allow the search for indirect new physics signatures. At the forefront of these studies are the determinations of interference of new physics with known $\upDelta F=1$ and $\upDelta F=2$ processes. [...]
arXiv:1311.2747; ATL-PHYS-PROC-2013-148; ATL-PHYS-PROC-2013-148.- Geneva : CERN, 2013 - 5 p. - Published in : EPJ Web Conf. 60 (2013) 15004 Fulltext: PDF; Published version, Open Access file: PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.15004
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3509.
Studies of jet shapes and substructure with ATLAS / Gueta, O (Tel Aviv U.)
The internal structure of jets produced in proton-proton collisions at 7 TeV centre-of-mass energy at the LHC provides a direct test of QCD calculations of gluon and quark radiation, and is sensitive to soft QCD effects, such as hadronisation or underlying event. [...]
ATL-PHYS-PROC-2013-149. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3510.
Measurement of the forward-backward asymmetry in the neutral current Drell-Yan process with ATLAS / Caputo, R (Mainz U.)
A measurement of the forward-backward asymmetry for the neutral current Drell Yan process by the ATLAS experiment is presented. [...]
ATL-PHYS-PROC-2013-150. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3511.
Diboson Production at LHC and Tevatron / Ward, P (Cambridge U. (main)) /for the ATLAS collaboration
Measurements of the production of pairs of gauge bosons by the ATLAS and CMS experiments at the LHC and the CDF and D0 experiments at the Tevatron are summarized. Measured cross-sections are generally consistent with Standard Model predictions calculated at next-to-leading order in QCD. [...]
ATL-PHYS-PROC-2013-151.- Geneva : CERN, 2013 - 6 p. - Published in : EPJ Web Conf. 60 (2013) 08003 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.08003
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3512.
Measurement of the double parton scattering in W + 2 jets production at $\sqrt{s}$ = 7 TeV with the ATLAS detector / Myska, M (CTU, Prague) /for the ATLAS collaboration
The presence of the double parton scattering in proton-proton collisions at $\sqrt{s}$ = 7 TeV has been measured by the ATLAS detector at the LHC. The analyzed dataset corresponds to an integrated luminosity of 36 pb$^{-1}$. [...]
ATL-PHYS-PROC-2013-152.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20013 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20013
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3513.
Search for stable mutli-charged particles with the ATLAS experiment / Zimmermann, S (Bonn U.) /for the ATLAS collaboration
A search for stable massive particles with electric charges of $|q|=2e$ to $|q|=6e$ is performed with the ATLAS detector at the LHC. A dataset of 4.4$\, \text{fb}^{-1}$ is searched for highly ionization muon signatures. [...]
ATL-PHYS-PROC-2013-153.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20016 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20016
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3514.
Measurement of hard double-parton interactions with the ATLAS detector / Myska, M (ASCR, Prague)
The production of $W$ bosons in association with two jets in proton-proton collisions at the LHC with a centre-of-mass energy of $\sqrt{s}$ = 7 TeV has been investigated using data collected with the ATLAS detector. [...]
ATL-PHYS-PROC-2013-154. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3515.
Studies of vector boson+jets production with ATLAS / Jansen, E (University Coll. London)
The production of vector bosons in association with jets has been measured in proton-proton collisions at $\sqrt{s} = 7$ TeV with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2013-155. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3516.
Measurements of the production cross-section of top quark pairs using the ATLAS detector at the LHC / Finelli, K (Duke U.) /for the ATLAS collaboration
An overview of several ATLAS measurements of top quark pair production in proton-proton collisions at the LHC at center-of-mass energies of 7 and 8 TeV is presented. Inclusive cross-section measurements of top quark pair production in various decay channels, analyses of differential cross-sections, studies of additional jet activity in top quark pair production, as well as an analysis of top quark pair production with associated heavy flavor jets are presented. [...]
ATL-PHYS-PROC-2013-156.- Geneva : CERN, 2013 - 5 p. - Published in : EPJ Web Conf.: 60 (2013) , pp. 16003
- Published in : EPJ Web Conf.: 60 (2013) , pp. 16003 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.16003
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3517.
Searches for Fourth Generation, Vector-like Quarks and ttbar Resonances with the ATLAS Detector / Nektarijevic, S (Geneva U.) /for the ATLAS collaboration
The LHC operation at the high center of mass energies has opened the insight into the potential production of exotic heavy particles. A summary of the searches for the heavy quarks and the heavy bosons decaying into the top-antitop pairs ($t\bar{t}$ resonances) with $14.3~\rm{fb^{-1}}$ of the ATLAS detector data at $\sqrt{s} =8~\rm{TeV}$ is presented here. [...]
ATL-PHYS-PROC-2013-157.- Geneva : CERN, 2013 - 5 p. - Published in : EPJ Web Conf. 60 (2013) 17009 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.17009
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3518.
Measurement of WW and WZ production with one vector boson decaying hadronically at ATLAS / Lindquist, B E (Stony Brook U.)
A measurement by ATLAS of the combined WW and WZ cross-section in proton-proton collisions at the LHC at $\sqrt{s}=7$ TeV is presented, using 4.7 fb$^{-1}$ of data. [...]
ATL-PHYS-PROC-2013-158. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3519.
Measurement of the Z boson transverse momentum: direct and using phi* variable with ATLAS / Yatsenko, E (DESY)
A measurement of angular correlations in Drell-Yan lepton pairs via the phi* observable at the LHC using ATLAS data at sqrt{s}=7 TeV is presented. [...]
ATL-PHYS-PROC-2013-159. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3520.
Top quark pair properties: spin correlation, charge asymmetry and complex final states at LHC in ATLAS / Rubbo, F (Barcelona, IFAE) /for the ATLAS collaboration
In proton--proton collisions at the LHC, pairs of top and anti-top quarks are expected to be mostly produced through gluon fusion, in contrast to production at the Tevatron, where quark annihilation dominates. Making use of the large number of top quark pairs, we present measurements of the spin correlation between top and anti-top quarks as well as of the top quark charge asymmetry, which constitute important tests of QCD and are sensitive to new physics. [...]
ATL-PHYS-PROC-2013-160.- Geneva : CERN, 2013 - 7 p. - Published in : EPJ Web Conf. 60 (2013) 16013 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.16013
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3521.
Measurement of diboson production with the ATLAS detector / Hou, S (Academia Sinica, Taiwan) /for the ATLAS collaboration
ATLAS measurements of diboson production processes involving combinations of W, Z and isolated photons are summarized. Measurements using data at 7 TeV as well as new results using data at 8 TeV are presented. [...]
ATL-PHYS-PROC-2013-161.- Geneva : CERN, 2013 - 5 p. - Published in : EPJ Web Conf. 60 (2013) 19003 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.19003
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3522.
Searches for direct pair production of third generation squarks with the ATLAS detector / Giuliani, C (Fribourg U.) /for the ATLAS collaboration
The most recent results of the searches for direct production of third generation squarks with the ATLAS detector are presented. The selected analyses all use 21 $mbox{fb}^{-1}$ of pp collisions at $sqrt{s}=8~mbox{TeV}$ and follow the assumptions of a Minimal Supersymmetric extension of the Standard Model of Particle Physics where the R-parity is conserved and the lightest supersymmetric particle (LSP) is the lightest neutralino. [...]
ATL-PHYS-PROC-2013-162.- Geneva : CERN, 2013 - 5 p. - Published in : EPJ Web Conf. 60 (2013) 18006 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.18006
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3523.
Measurements on additional jet production in top pair events / Duda, D (Bergische U., Wuppertal (main))
The large centre-of-mass energy available at the proton-proton collider LHC allows for the copious production of top quark pairs in association with other final state particles at high transverse momentum. [...]
ATL-PHYS-PROC-2013-163. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3524.
W and Z production in association with light and heavy-flavour jets at the LHC and the Tevatron / Di Ciaccio, Lucia (Annecy, LAPP) /on behalf of the ATLAS, CMS, CDF and D0 Collaborations
Recentresults on W and Z production in association with light and heavy-flavour jets at theTevatron and the LHC are reviewed. The integrated luminosity which is used for physics analysis by each of the two Tevatron experiments corresponds to a maximum of ≈10 fb−1, at an energy in the centre of mass of 1.96 TeV. [...]
ATL-PHYS-PROC-2013-164.- Geneva : CERN, 2013 - 6 p. - Published in : EPJ Web Conf. 60 (2013) 05003 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.05003
15th International Workshop On Advanced Computing And Analysis Techniques In Physics Research, Beijing, China, 16 - 21 May 2013
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3525.
Status of the ATLAS detector / Solovyanov, Oleg (Serpukhov, IHEP)
After the successful data taking year of 2011 at 7 TeV, since March of 2012 the ATLAS experiment at LHC is collecting data with colliding proton beams at the previously unparalleled center of mass energy of 8 TeV. [...]
ATL-PHYS-PROC-2013-165. - 2013. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3526.
A search for ttbar resonance in the lepton plus jets channel with ATLAS using 14fb-1 of proton proton collisions at $\sqrt{s}$ = 8 TeV / Dechenaux, B (LPSC, Grenoble) /for the ATLAS collaboration
The search for ttbar resonances that could be produced at the CERN Large Hadron Collider allow the investigation of a wide range of physics beyond the Standard Model. In such a scheme, the top quark is often produced with a transverse momentum that is large as compared to its mass and the decay of such highly boosted top often leads to a topology that differs in several respects from that encountered when the top quarks are produced approximately at rest. [...]
ATL-PHYS-PROC-2013-166.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20044 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20044
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3527.
Production cross section of B-meson in ATLAS / Rossi, E (U. Rome La Sapienza (main) ; Rome U.)
A new measurement of production cross of B+ is presented. [...]
ATL-PHYS-PROC-2013-167. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3528.
Transverse energy flow and charged particle event shapes with ATLAS / Kar, D (Glasgow U.)
The transverse energy flow and charged track properties provide inside on the structure of the hadronic events, for soft collisions as well as events with a presence of hard scale. [...]
ATL-PHYS-PROC-2013-168. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3529.
Top quark production in ATLAS / Bertella, C (Marseille, CPPM)
Measurements of the top quark production cross sections in proton-proton collisions with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2013-169. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3530.
Measurement of top quark polarisation with the ATLAS experiment / Borroni, S (DESY) /for the ATLAS collaboration
While in the Standard Model top quarks are predicted to be produced unpolarized at the LHC, several models beyond the SM predict a non-zero polarization. In particular, some of the models predicting a larger forward-backward $t\bar{t}$ asymmetry than predicted in the SM, as measured at the Tevatron, predict a positive top quark polarisation. [...]
ATL-PHYS-PROC-2013-170.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20015 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20015
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3531.
Measurements of Wγ and Zγ production in pp collisions at √s = 7 TeV with the ATLAS detector at the LHC / Liang, Z (Oxford U.)
The integrated and differential fiducial cross sections for the production of a W or Z boson in √ association with a high-energy photon are measured using pp collisions at s = 7 TeV. [...]
ATL-PHYS-PROC-2013-171. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3532.
Searches for gluino-mediated production of third generation squarks with the ATLAS detector / Fehling-Kaschek, M (Fribourg U.) /for the ATLAS collaboration
A summary on the searches for gluino-mediated production of third generation squarks with the ATLAS detector is presented. Several scenarios in the framework of $R$-parity conserving minimal extensions of the Standard Model are considered. [...]
ATL-PHYS-PROC-2013-172.- Geneva : CERN, 2013 - 5 p. - Published in : EPJ Web Conf. 60 (2013) 18004 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.18004
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3533.
Searches for vector-like quarks and ttbar resonances with the ATLAS detector / Webster, J (Chicago U.)
Various extensions of the Standard Model predict the existence of new types of quarks. [...]
ATL-PHYS-PROC-2013-173. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3534.
Search for pair production of new heavy quarks that decay to a $\mathbf{Z}$ boson and a third generation quark in $\mathbf{pp}$ collisions at $\mathbf{\sqrt{s}=8}$ TeV with the ATLAS detector
A search is presented for the production of a new heavy quark with its antiparticle, assuming the new quark has a significant branching ratio to decay into a $Z$ boson and a third generation Standard Model quark. [...]
ATLAS-CONF-2013-056. - 2013. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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3535.
Search for long-lived stopped gluino $R$-hadrons decaying out-of-time with LHC collisions in 2011 and 2012 using the ATLAS detector
$R$-hadrons are composite, massive, long-lived particles predicted in several scenarios of physics beyond the Standard Model, such as split supersymmetry. [...]
ATLAS-CONF-2013-057. - 2013. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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3536.
A search for heavy long-lived sleptons using 16 fb$^{-1}$ of pp collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector
A search for heavy long-lived scalar leptons (sleptons) through a measurement of the mass of slepton candidates is presented in this note. [...]
ATLAS-CONF-2013-058. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3537.
Search for New Phenomena in Photon+Jet Events Collected in proton-proton collisions at $\sqrt{s} = 8$ TeV with the ATLAS Detector
This note describes a model-independent search for the production of new resonances in photon + jet ($\gamma$+jet) events using 20 fb$^{-1}$ of proton-proton LHC data recorded with the ATLAS detector at a center-of-mass energy of $\sqrt{s} = 8$ TeV. [...]
ATLAS-CONF-2013-059. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3538.
Search for pair production of heavy top-like quarks decaying to a high-$p_{\rm T}$ $W$ boson and a $b$ quark in the lepton plus jets final state in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
A search is presented for production of a heavy top-like quark ($T$) together with its antiparticle, assuming a significant branching ratio for subsequent decay into a $W$ boson and a $b$ quark. [...]
ATLAS-CONF-2013-060. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3539.
Search for strong production of supersymmetric particles in final states with missing transverse momentum and at least three b-jets using 20.1 fb−1 of pp collisions at sqrt(s) = 8 TeV with the ATLAS Detector.
The results of a search for strong production of supersymmetric particles in multi-$b$-jets final states in 20.1 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=8$ TeV using the ATLAS detector at the LHC are reported. [...]
ATLAS-CONF-2013-061. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3540.
Search for squarks and gluinos in events with isolated leptons, jets and missing transverse momentum at $\sqrt{s}=8$ TeV with the ATLAS detector
This note presents a search for supersymmetry by the ATLAS experiment at the LHC in final states containing at least one isolated lepton (electron or muon), jets, with or without b-jet requirements, and large missing transverse momentum. [...]
ATLAS-CONF-2013-062. - 2013. - 32 p.
Original Communication (restricted to ATLAS) - Full text
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3541.
Search for supersymmetry in final states with jets, missing transverse momentum and isolated leptons with the ATLAS detector in 5 fb$^{-1}$ of $\sqrt{s}$=8 TeV pp collisions / Sasaki, Y (Tokyo U.) /for the ATLAS collaboration
We present an inclusive search for supersymmetry~(SUSY) by the ATLAS experiment at the LHC in proton-proton collisions at a center-of-mass energy $\sqrt{s}$ = 8 TeV in the final states with jets, missing transverse momentum and one isolated electron or muon. The search is based on the data from the early 2012 data-taking period, corresponding to an integrated luminosity of 5.8 fb$^{-1}$. [...]
ATL-PHYS-PROC-2013-174.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20041 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20041
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3542.
Irradiation of an IBL stave in a 10MeV beta beam / Bilbao de Mendizabal, J ; Ferrere, D ; Nuiry, FX ; Seez, W
The new IBL detector (Insertable B-Layer), due to be integrated into the ATLAS detector as the closest Pixel layer to the beam pipe during the first LHC long-shutdown (2013), is composed of fourteen stave sub-assemblies. [...]
ATL-INDET-PUB-2013-001. - 2013. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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3543.
Searches for direct pair production of third generation squarks with the ATLAS detector / Pani, P (NIKHEF, Amsterdam)
Naturalness arguments for weak-scale supersymmetry favour supersymmetric partners of the third generation quarks with masses not too far from those of their Standard Model counterparts [...]
ATL-PHYS-PROC-2013-175. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3544.
Dynamics of isolated-photon plus jet production in {boldmath$pp$} collisions at {boldmath $sqrt{s}$} = 7~TeV with the ATLAS detector / Cantero, J (Madrid Autonoma U.) /for the ATLAS collaboration
The dynamics of isolated-photon plus jet production in $pp$ collisions at a centre-of-mass energy of 7 TeV has been studied with the ATLAS detector at the LHC using an integrated luminosity of 37 pb$^{-1}$. Measurements of isolated-photon plus jet differential cross sections are presented as functions of the photon transverse energy, the jet transverse momentum, the jet rapidity, the difference in azimuthal angle between the photon and the jet, the photon-jet invariant mass and the scattering angle in the photon-jet centre-of-mass frame. [...]
ATL-PHYS-PROC-2013-176.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20004 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20004
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3545.
Study of the decay $B^0_d \to K^{*0} \mu^+\mu^-$ in ATLAS / Turchikhin, Semen (SINP, Moscow)
A measurement of the muon forward-backward asymmetry $A_{FB}$ and the longitudinal polarization fraction $F_L$ of $K^{*0}$ in the decay $B_d\to K^{*0}\mu^+\mu^-$ as functions of the di-muon invariant mass squared is presented. [...]
ATL-PHYS-PROC-2013-177. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3546.
Inclusive searches for squarks and gluinos with the ATLAS detector / Romero Adam, E (Valencia U., IFIC)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2013-178. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3547.
Searches for gluino-mediated production of third generation squarks with the ATLAS detector / Deluca, C (NIKHEF, Amsterdam)
Naturalness arguments for weak-scale supersymmetry favour supersymmetric partners of the third generation quarks with masses not too far from those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2013-179. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3548.
Searches for electroweak production of supersymmetric gauginos and sleptons with the ATLAS detector / Agustoni, M (Bern U., LHEP)
Searches for electro-weak production of sleptons, charginos and neutralinos with final states with three and four leptons, and two tau-leptons are presented. [...]
ATL-PHYS-PROC-2013-180. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3549.
ATLAS and CMS Upgrade Plans / Parzefall, U (Freiburg U.)
It is foreseen to significantly increase the luminosity of the LHC {cite {LHC}} by upgrading towards the HL-LHC (High Luminosity LHC) in order to harvest the maximum physics potential [...]
ATL-UPGRADE-PROC-2013-003. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3550.
Recent QCD Results From ATLAS / Meyer, Chris (Chicago U., EFI) /for the ATLAS collaboration
A survey of recent QCD results using the ATLAS detector at the LHC is presented..
arXiv:1310.2944; ATL-PHYS-PROC-2013-181.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20025 Published version, Open Access file: PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20025
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3551.
Upgrading the ATLAS Tile Calorimeter Electronics / Carrio, F (Valencia U., IFIC) /for the ATLAS collaboration
This work summarizes the status of the on-detector and off-detector electronics developments for the Phase II Upgrade of the ATLAS Tile Calorimeter at the LHC scheduled around 2022. A demonstrator prototype for a slice of the calorimeter including most of the new electronics is planned to be installed in ATLAS in middle 2014 during the Long Shutdown. [...]
ATL-TILECAL-PROC-2013-007.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20057 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20057
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3552.
Measurements of vector bosons plus jets production with the ATLAS detector at the LHC / Caminada, L M (LBL, Berkeley) /for the ATLAS collaboration
The production of jets in association with a $W$ or $Z$ boson in proton-proton collisions at $\sqrt{s}=7$\,TeV is measured with the ATLAS detector at the LHC. The cross sections, differential in several kinematics variables, have been measured up to high jet multiplicities and are compared to new higher-order QCD calculations. [...]
ATL-PHYS-PROC-2013-182.- Geneva : CERN, 2013 - 5 p. - Published in : EPJ Web Conf. 60 (2013) 14002 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.14002
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3553.
Measurement of the flavour composition of dijet events in pp collisions with ATLAS / Shimizu, S (Kobe U.)
A measurement of the flavour composition of dijet events produced in pp collisions at 7 TeV using the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2013-183. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3554.
Measurement of jet shapes in top pair events using the ATLAS detector. / Llorente, J (Madrid Autonoma U.)
A measurement of jet shapes in top pair events using 1.8 /fb of $\sqrt{s} = 7$ TeV pp collision data recorded by the ATLAS detector at the LHC is presented. [...]
ATL-PHYS-PROC-2013-184. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3555.
Measurement of V+heavy flavour production at ATLAS / Lange, C (DESY)
W/Z+b production probes the b-quark production by higher order QCD processes. [...]
ATL-PHYS-PROC-2013-185. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3556.
Mixing and $CP$ violation in the decay of $B_s \rightarrow J/\psi \phi$ in ATLAS / Dewhurst, A L (Rutherford)
The $B_s \rightarrow J/\psi \phi$ decay is characterized by the average decay width $\Gamma_s$ of the heavy and the light mass eigenstates, the decay width difference $\Delta\Gamma_s$ and by the CP violating phase $\phi_s$. [...]
ATL-PHYS-PROC-2013-186. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3557.
Top quark pair properties - spin correlations, charge asymmetry and complex final states / Howarth, J (Manchester U.)
Results are presented on the observation of non-vanishing spin correlations in \ttbar\ pairs at ATLAS~\cite{Aad:2008zzm}, the measurement of their intrinsic polarisation and charge asymmetry. [...]
ATL-PHYS-PROC-2013-187. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3558.
Studies of Vector Boson Scattering And Triboson Production with an Upgraded ATLAS Detector at a High-Luminosity LHC
The Phase 2 upgrade of the ATLAS detector would greatly increase the sensitivity to an extended electroweak symmetry-breaking sector beyond the Standard Model Higgs mechanism. [...]
ATL-PHYS-PUB-2013-006. - 2013. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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3559.
Single top quark production in ATLAS at the LHC / Stillings, J A (Bonn U.) /for the ATLAS collaboration
Measurements of the single top quark production cross-sections in proton collisions with the ATLAS detector at the Large Hadron Collider are presented. The single top-quark production in the $t$ and $Wt$-channels are presented and determination of the CKM matrix element $|V_{tb}|$ is discussed. [...]
ATL-PHYS-PROC-2013-188.- Geneva : CERN, 2013 - 5 p. - Published in : EPJ Web Conf. 60 (2013) 16009 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.16009
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3560.
Measurement of Inclusive W and Z Production in ATLAS / Goddard, J R (Queen Mary, U. of London (main)) /for the ATLAS collaboration
A summary of five ATLAS $W$ and $Z$ inclusive measurements are presented, these are a mixture of analyses using the 2010 and 2011 datasets of $\sqrt{s}=7$ TeV proton-proton collisions at the LHC. The 2010 data is used to measure the cross sections of the $Z$, $W^{+}$ and $W^{-}$ bosons which are then used with the HERA deep inelastic scattering data to determine the strange quark density of the proton. [...]
ATL-PHYS-PROC-2013-189.- Geneva : CERN, 2013 - 6 p. - Published in : EPJ Web Conf. 60 (2013) 19005 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.19005
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3561.
Search for heavy resonances with the ATLAS detector / Zimmermann, S (Bonn U.)
Heavy resonances decaying into pairs of particles are an obvious signature to look for phenomena beyond the Standard Model. [...]
ATL-PHYS-PROC-2013-190. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3562.
Search for Long-lived Particles and Lepton-Jets with the ATLAS detector / Salvatore, D (Calabria U.) /for the ATLAS collaboration
Many extensions of the Standard Model (SM) include neutral weakly-coupled particles that can be long-lived. These long-lived particles occur in many models, included gauge-mediated extensions of the Minimal Supersymmetric Model (MSSM), MSSM with R-parity violation, inelastic dark matter and the Hidden Valley (HV) scenario. [...]
ATL-PHYS-PROC-2013-191.- Geneva : CERN, 2013 - 6 p. - Published in : EPJ Web Conf. 60 (2013) 17007 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.17007
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3563.
Searches for supersymmetry in resonance production, R-parity violating signatures and events with long-lived particles with the ATLAS detector / King, M G L (Kobe U.)
Extensions to supersymmetry (SUSY) or the admission of R-parity violation (RPV) introduces new signatures for analysis at the LHC. [...]
ATL-PHYS-PROC-2013-192. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3564.
The ATLAS Tile Calorimeter Calibration and Performance / Meyer, Chris (Chicago U., EFI) /for the ATLAS collaboration
A brief summary of the hadronic calorimeter calibration systems and performance results, in the ATLAS detector at the LHC is given..
arXiv:1310.2945; ATL-TILECAL-PROC-2013-008; ATL-TILECAL-PROC-2013-008.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20051 Fulltext: arXiv:1310.2945 - PDF; 1310.2945 - PDF; Published version, Open Access file: PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20051
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3565.
Inclusive jet production measured with ATLAS, and constraints on PDFs / Starovoitov, P (DESY)
Inclusive jet and dijet double-differential cross sections have been measured in proton-proton collisions at a centre-of-mass energy of 2.76 and 7~TeV{} using the ATLAS detector. [...]
ATL-PHYS-PROC-2013-193. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3566.
The Design and Performance of the ATLAS jet trigger / Rubbo, F (Barcelona, IFAE) /for the ATLAS collaboration
The ATLAS jet trigger, in combination with other triggers, provides an important ingredient to studies of Standard Model physics and searches for new physics at the LHC. The ATLAS jet trigger system has undergone substantial modifications over the past few years of LHC operations, as experience developed with triggering in a high luminosity and high event pileup environment. [...]
ATL-DAQ-PROC-2013-008.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20053 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20053
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3567.
Search for pair-produced vector-like quarks with the ATLAS detector / Succurro, A (Barcelona, IFAE) /for the ATLAS collaboration
The high energy frontier opened by the LHC is allowing us to explore physics scenarios where new physics might lay. The need to go beyond the Standard Model (SM) comes from var\ ious unanswered questions, like where does the matter-antimatter asymmetry comes from? What is the nature of Dark Matter? How can the hierarchy problem be solved? The recent di\ scovery of an Higgs-like boson tends to disfavour the existence of a heavy 4th generation of quarks which would change the Higgs SM cross section and branching ratio in a way i\ t is not experimentally observed. [...]
ATL-PHYS-PROC-2013-194.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20037 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20037
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3568.
Jet and Photon measurements from ATLAS / Saraiva, J G (LIP, Lisbon) /for the ATLAS collaboration
Differential measurements of inclusive jet and di-jet production provide stringent tests of higher order QCD predictions and provide inputs for determination of parton density functions. Inclusive jet multiplicity ratios are sensitive to the strong coupling constant $alpha_{S}$ and have reduced sensitivity to the uncertainties due to parton distribution functions. [...]
ATL-PHYS-PROC-2013-195.- Geneva : CERN, 2013 - 5 p. - Published in : EPJ Web Conf. 60 (2013) 14007 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.14007
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3569.
Searches with long-lived or unusual signatures at LHC / Haug, S (Bern U., LHEP) /for the ATLAS collaboration
Several models extending the Standard Model predict final states resulting in long-lived or unusual signatures. Many of these signatures are targeted by the search programs of the Large Hadron Collider experiments ATLAS and CMS. [...]
ATL-PHYS-PROC-2013-196.- Geneva : CERN, 2013 - 6 p. - Published in : EPJ Web Conf. 60 (2013) 07008 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.07008
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3570.
Higgs and Electroweak Measurements at the LHC / Sanders, MP (Munich U.)
In this contribution, I present results on electroweak measurements and on Higgs boson searches at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2013-197. - 2013. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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3571.
Search for the Standard Model Higgs boson produced in association with top quarks and decaying to $\bar{b}$ at $\sqrt{s}$ = 7 TeV / Montejo Berlingen, J (Barcelona, IFAE) /for the ATLAS collaboration
A search for a Higgs boson produced in association with a pair of top quarks ($tar{t}H$) and decaying into a pair of bottom quarks ($H o bar{b}$) is presented. The analysis uses 4.7~fb$^{-1}$ of $pp$ collision data at $sqrt{s}=7 ev$ collected in 2011 with the ATLAS detector at the CERN Large Hadron Collider. [...]
ATL-PHYS-PROC-2013-198.- Geneva : CERN, 2013 - 2 p. - Published in : EPJ Web Conf. 60 (2013) 20028 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20028
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3572.
Searches for New Physics in Events with Multiple Leptons with the ATLAS Detector / Yu, D (LBNL, Berkeley)
Events containing several leptons are useful probes of new phenomena due to the low background from Standard Model processes. [...]
ATL-PHYS-PROC-2013-199. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3573.
Beyond the Standard Model Higgs Physics using the ATLAS Experiment / Beckingham, M (Washington U., Seattle) /for the ATLAS collaboration
With the discovery of a Higgs boson that has properties consistent with the Standard Model at the LHC, searches for additional Higgs bosons due to beyond the Standard Model physics become more interesting and relevant. This article summarises the current searches for such new Higgs bosons performed with the ATLAS detector, using proton-proton collisions at centre of mass energies of 7 and 8 TeV at LHC. [...]
ATL-PHYS-PROC-2013-200.- Geneva : CERN, 2013 - 5 p. - Published in : EPJ Web Conf. 60 (2013) 12015 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.12015
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3574.
Heavy Flavor production with ATLAS / Melachrinos, C (Chicago U.) /for the ATLAS collaboration
ATLAS has a rich heavy flavor and quarkonia program with measurements and searches that can contribute to a better understanding of Quantum Chromodynamics. Using data from proton--proton collisions in the LHC at $\sqrt{s}=7~$TeV the $\Upsilon$(1S, 2S, 3S) production cross sections and the charged $B$ meson production cross section measurements are presented, along with comparisons with theoretical expectations. [...]
ATL-PHYS-PROC-2013-201.- Geneva : CERN, 2013 - 4 p. - Published in : EPJ Web Conf. 60 (2013) 20007 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20007
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3575.
BSM Higgs results from ATLAS and CMS / Flechl, Martin (Freiburg U.) /on behalf of the ATLAS and CMS collaborations
Searches for Higgs bosons in different extensions of the Standard Model (SM) are presented. These include the Minimal Supersymmetric extension of the SM (MSSM), the next-to-MSSM (NMSSM), models with additional scalar singlets, doublets, or triplets, and generic searches for models with couplings modified with respect to the SM or for non-SM Higgs boson decay channels. [...]
arXiv:1307.4589; ATL-PHYS-PROC-2013-202; ATL-PHYS-PROC-2013-202.- Geneva : CERN, 2013 - 6 p. - Published in : EPJ Web Conf. 60 (2013) 02005 Fulltext: 1307.4589 - PDF; arXiv:1307.4589 - PDF; Published version, Open Access file: PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.02005
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3576.
Jet and Missing Transverse Momentum Reconstruction, Calibration and Performance with the ATLAS Detector at LHC / Resconi, S (INFN, Milan)
Jet and Missing Transverse Momentum (EtMiss) performances in the ATLAS detector are highly deteriorated due to the high instantaneous luminosity achieved in 2012 at the LHC leading to unprecedented backgrounds from additional proton-proton collisions (pile-up interactions) superimposed to the hard physics process. [...]
ATL-PHYS-PROC-2013-203. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published version
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3577.
ATLAS Upgrades towards the High Luminosity LHC: extending the discovery potential / Miglioranzi, S (Aristotle U., Thessaloniki)
ATLAS has successfully collected 5.25 and 21.7 fb−1 during LHC run I at √s = 7 and 8 TeV, respectively. [...]
ATL-UPGRADE-PROC-2013-004. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3578.
Search for single top-quark production via FCNC in strong interaction in $\sqrt{s}=8\,\,\mathrm{TeV}$ ATLAS data
Results with 2012 data on the search for single top-quark production via flavour changing neutral currents (FCNCs) in strong interactions are presented. [...]
ATLAS-CONF-2013-063. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3579.
Identification of the Hadronic Decays of Tau Leptons in 2012 Data with the ATLAS Detector
The study of final states containing hadronically-decaying tau leptons is an important and growing part of the ATLAS physics program. [...]
ATLAS-CONF-2013-064. - 2013. - 47 p.
Original Communication (restricted to ATLAS) - Full text
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3580.
Searches for direct scalar top pair production in final states with two leptons using the stransverse mass variable and a multivariate analysis technique in $\sqrt{s} = 8$ TeV pp collisions using 20.3 fb$^{-1}$ of ATLAS data
Two searches are presented for the direct pair production of supersymmetric partners of the top quark in 20.3 fb$^{-1}$ of $pp$ collisions at 8 TeV, collected by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2013-065. - 2013. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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3581.
A search for high-mass ditau resonances decaying in the fully hadronic final state in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
This note presents a search for high-mass ditau resonances decaying in the fully hadronic final state using proton-proton collisions at $\sqrt{s}= 8$ TeV produced by the Large Hadron Collider. [...]
ATLAS-CONF-2013-066. - 2013. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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3582.
Search for a high-mass Higgs boson in the $H \rightarrow WW \rightarrow l\nu l\nu$ decay channel with the ATLAS detector using 21 fb$^{-1}$ of proton-proton collision data
A search by the ATLAS experiment at the Large Hadron Collider for a Higgs boson in the $H \rightarrow WW \rightarrow \ell\nu \ell\nu$ channel in the range 260 GeV $<~m_H~<$ 1 TeV is presented. [...]
ATLAS-CONF-2013-067. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3583.
Search for pair-produced top squarks decaying into a charm quark and the lightest neutralinos with 20.3 fb${}^{-1}$ of $pp$ collisions at $\sqrt{s}=8~$TeV with the ATLAS detector at the LHC
This note presents the search for direct top squark pair production in the decay channel to a charm quark and the lightest neutralino ($\tilde{t} \to c + \tilde{\chi}_{1}^{0}$), using $20.3$~fb$^{-1}$ of proton-proton collision data at $\sqrt{s} = 8$~TeV recorded by the ATLAS experiment at the LHC in 2012. [...]
ATLAS-CONF-2013-068. - 2013. - 38 p.
Original Communication (restricted to ATLAS) - Full text
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3584.
Search for charginos nearly mass-degenerate with the lightest neutralino based on a disappearing-track signature in $pp$ collisions at $\sqrt{s}=8~\mathrm{TeV}$ with the ATLAS detector
A search is presented for direct chargino production based on a disappearing-track signature using 20.3 $\mathrm{fb}^{-1}$ of $pp$ collisions at $\sqrt{s} = 8~\mathrm{TeV}$ collected with the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2013-069. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3585.
Search for New Physics in Events with Three Charged Leptons with the ATLAS detector
A generic search for anomalous production of events with at least three charged leptons is presented. [...]
ATLAS-CONF-2013-070. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3586.
Measurement of the parity violating asymmetry parameter $\alpha_b$ and the helicity amplitudes for the decay $\Lambda_b^0\to J/\psi\Lambda^0$ in the ATLAS experiment
A measurement of the parity violating decay asymmetry parameter, $\alpha_b$, and the helicity amplitudes for the $\Lambda^0_b$ hyperon decay $\Lambda^0_b\to J/\psi (\mu\mu)\Lambda^0(p\pi^-)$ is reported. [...]
ATLAS-CONF-2013-071. - 2013. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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3587.
Differential cross sections of the Higgs boson measured in the diphoton decay channel using 8 TeV pp collisions
This note presents differential cross section measurements of the Higgs boson, performed in the diphoton decay channel. [...]
ATLAS-CONF-2013-072. - 2013. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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3588.
Search for dark matter pair production in events with a hadronically decaying $W$ or $Z$ boson and missing transverse momentum in $pp$ collision data at $\sqrt{s}=8$ TeV with the ATLAS detector
A search is presented for dark matter pair production in association with a $W$ or $Z$ boson in $pp$ collisions corresponding to 20.3 fb$^{-1}$ of integrated luminosity at $\sqrt{s}=8$ TeV using data recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2013-073. - 2013. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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3589.
Search for a dijet resonance produced in association with a leptonically decaying $W$ or $Z$ boson with the ATLAS detector at $\sqrt{s} = 8$ TeV
A search for a dijet resonance with an invariant mass in the range between 130 and 300~GeV is performed in the processes $pp \to Wjj+X$ with $W \to \ell^{\pm}\nu$ and $pp \to Zjj+X$ with $Z \to \ell^+\ell^-$ ($\ell = e, \mu$). [...]
ATLAS-CONF-2013-074. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3590.
Search for associated production of the Higgs boson in the WH→ WWW(∗)→ lνlνlν and ZH→ ZWW(∗)→ lllνlν channels with the ATLAS detector at the LHC
A search for the Higgs boson in the WH and ZH associated production modes, with H→ WW(∗) and all vector bosons decaying to electrons or muons, is performed using 20.7 fb−1 of proton-proton collision data at a centre-of-mass energy of 8 TeV collected in 2012 with the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2013-075. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3591.
Limit on $B_s^0 \to \mu+\mu^-$ branching fraction based on $4.9~\mathrm{fb}^{-1}$ of integrated luminosity
This note documents the ATLAS analysis searching for $B_s^0 \to \mu^+\mu^-$ decays with an integrated luminosity of 4.9 fb$^{-1}$, corresponding to the full 2011 proton-proton dataset. [...]
ATLAS-CONF-2013-076. - 2013. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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3592.
Measurement of the Top Quark Mass in Dileptonic Top Quark Pair Decays with $\sqrt{s}=7$ TeV ATLAS Data
This note presents a measurement of the top quark mass in dileptonic top quark pair decays using 4.7 fb−1 of $\sqrt{s} = 7$ TeV pp collision data recorded by the ATLAS experiment at the Large Hadron Collider in 2011. [...]
ATLAS-CONF-2013-077. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3593.
Measurement of the top quark pair production charge asymmetry in proton-proton collisions at $sqrt{s}=7$ TeV using the ATLAS detector
This note presents a measurement of the top quark pair ($t\bar{t}$) production charge asymmetry $A_C$ using 4.7 $fb^{-1}$ of proton-proton collisions at a centre-of-mass energy $\sqrt{s} = 7$ TeV collected by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2013-078. - 2013. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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3594.
Search for the bb decay of the Standard Model Higgs boson in associated W/ZH production with the ATLAS detector
A search for the bb decay of the Standard Model Higgs boson is performed with the ATLAS experiment using the full dataset recorded at the LHC in Run 1. [...]
ATLAS-CONF-2013-079. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3595.
Underlying event in jet events at 7TeV with the ATLAS experiment / Kepka, O (Prague, Inst. Phys.)
The distributions sensitive to underlying event were measured in jet events in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}$ = 7 TeV with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2013-204. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3596.
Searches for monojets and monophotons with the ATLAS detector / Caminal Armadans, Roger (Barcelona, Autonoma U. ; Barcelona, IFAE)
Searches for new phenomena in events with a high-energy jet or photon and missing transverse momentum in the final state are performed using events from proton-proton collisions at center of mass energy of 7~TeV and 8~TeV with the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2013-205. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3597.
Vertex and track reconstruction in ATLAS and CMS / Masik, J (Manchester U.)
The performance of the ATLAS and CMS tracking detectors is discussed paying special attention to those parameters - transverse impact parameters and primary vertex resolution that are of interest for heavy-flavour physics..
ATL-PHYS-PROC-2013-206. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3598.
Higgs results from ATLAS and CMS / Casado, M P (Barcelona, IFAE ; Barcelona, Autonoma U.)
Measurements of production, couplings and spin properties of the recently discovered Higgs boson using the most sensitive channels, $H \rightarrow \gamma \gamma$, $H \rightarrow ZZ \rightarrow 4 l$ and $H \rightarrow WW \rightarrow l \nu l \nu$, are presented. [...]
ATL-PHYS-PROC-2013-207. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3599.
Search for ttH production in the H -> yy channel at sqrt(s) = 8 TeV with the ATLAS detector
A search is performed for the Higgs boson produced in association with a top quark and its antiparticle, using the leptonic and hadronic decay modes of the top quarks and the diphoton decay of the Higgs boson. [...]
ATLAS-CONF-2013-080. - 2013. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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3600.
Searches for the Higgs boson into fermions at ATLAS / Martin, V J (Edinburgh U.)
The discovery of a Higgs-like boson by the ATLAS collaboration at the LHC relies on evidence from di-boson decays: $gammagamma$, $ZZ^*$ and $WW^*$. [...]
ATL-PHYS-PROC-2013-208. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3601.
Physics at a High-Luminosity LHC with ATLAS / Liss, A. ; Nielsen, J.
The physics accessible at the high-luminosity phase of the LHC extends well beyond that of the earlier LHC program. [...]
arXiv:1307.7292 ; ATL-PHYS-PUB-2013-007. - 2013. - 25 p.
PDF on ECONF - Proceedings write-up on ECONF - Full text - Full text
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3602.
Search for flavor-changing neutral currents in $t\rightarrow cH$, with $H\to\gamma\gamma$, and limit on the tcH coupling
A search for flavour changing neutral currents in top quark decays $t\rightarrow cH$, with $H\to\gamma\gamma$ at $m_{H} = 126.8$ GeV, using 20 fb$^{-1}$ of $\sqrt{s}$ = 8 TeV and 5 fb$^{-1}$ of $\sqrt{s}$ = 7 TeV data collected by the ATLAS experiment at the LHC, is reported. [...]
ATLAS-CONF-2013-081. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3603.
Searches for monojets and monophotons with the ATLAS detector / Abdallah, J (Barcelona, IFAE) /for the ATLAS collaboration
Studies of events with single high energy jet or photon and large missing transverse momentum at the Large Hadron Collider is one of the most direct way to search for physics beyond the Standard Model. The background from the Standard Model processes is dominated by jets/photons production associated with Z or W bosons undergoing leptonic decays to neutrinos and/or unidentified electrons or muons. [...]
ATL-PHYS-PROC-2013-209.- Geneva : CERN, 2013 - 8 p. - Published in : EPJ Web Conf. 60 (2013) 17004 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.17004
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3604.
Top mass and properties at the LHC and Tevatron / Costa, M J (Valencia U., IFIC) /for the ATLAS collaboration
An overview of the properties of the top quark measured with the ATLAS, CMS detectors at the LHC and with the CDF and D0 detectors at Tevatron is presented. The latest and most precise measurements are shown, making special emphasis on the top quark mass determinations. [...]
ATL-PHYS-PROC-2013-210.- Geneva : CERN, 2013 - 4 p. - Published in : EPJ Web Conf. 60 (2013) 09002 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.09002
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3605.
Upgrading the ATLAS Tile Calorimeter Electronics / Oreglia, M (Chicago U.)
The ATLAS detector hadron calorimeter electronics are being redesigned to address issues associated with the High Luminosity mode of LHC running in Phase-2. [...]
ATL-TILECAL-PROC-2013-009. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version
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3606.
Measurement of the WW Production Cross Section in Proton-Proton Collisions with the ATLAS Detector / Hejbal, Jiri (Prague, Inst. Phys.) /for the ATLAS collaboration
A measurement of the W$^{+}$W$^{-}$ production cross section in pp collisions. The W$^{+}$W$^{-}$ leptonic decay channels are analysed using data collected by the ATLAS detector at the CERN Large Hadron Collider. [...]
ATL-PHYS-PROC-2013-211.- Geneva : CERN, 2013 - 3 p. - Published in : EPJ Web Conf. 60 (2013) 20014 Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.20014
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3607.
Comparisons of select ATLAS $t\bar{t}$ differential distributions with various NLO predictions
Differential $t\bar{t}$ cross-section results have been published by the ATLAS experiment at the LHC for a variety of kinematic distributions using an integrated luminosity of 2 ${\rm fb}^{-1}$ proton-proton collision data collected at a center-of-mass energy of $\sqrt{s} = 7$ TeV. [...]
ATL-PHYS-PUB-2013-008. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3608.
Performance of Missing Transverse Momentum Reconstruction in ATLAS studied in Proton-Proton Collisions recorded in 2012 at 8 TeV
The performance of the missing transverse momentum reconstruction in the ATLAS detector is evaluated using data collected in 2012 in proton-proton collisions at a centre-of-mass energy of 8 TeV. [...]
ATLAS-CONF-2013-082. - 2013. - 43 p.
Original Communication (restricted to ATLAS) - Full text
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3609.
Pile-up subtraction and suppression for jets in ATLAS
An improved pile-up correction for jets in ATLAS, based on the concept of the jet area, is described and evaluated. [...]
ATLAS-CONF-2013-083. - 2013. - 41 p.
Original Communication (restricted to ATLAS) - Full text
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3610.
Performance of boosted top quark identification in 2012 ATLAS data
This note presents the performance of a variety of techniques used to identify highly-boosted top quarks. [...]
ATLAS-CONF-2013-084. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3611.
Performance of pile-up subtraction for jet shapes
This note presents the application of techniques to correct measured jet shapes for the effects of multiple simultaneous proton–proton interactions, or pile-up. [...]
ATLAS-CONF-2013-085. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3612.
Jet Charge Studies with the ATLAS Detector Using $\sqrt{s} = 8$ TeV Proton-Proton Collision Data
The momentum-weighted sum of the charges of tracks associated to a jet provides an experimental handle on the electric charge of fundamental strongly-interacting particles. [...]
ATLAS-CONF-2013-086. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3613.
Performance and Validation of Q-Jets at the ATLAS Detector in pp Collisions at $\sqrt{s}$=8 TeV in 2012
The Q-jets technique introduces the idea of interpreting jets through multiple sets of possible showering histories. [...]
ATLAS-CONF-2013-087. - 2013. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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3614.
Charge deposition in the SCT due to beamloss
The purpose of this study was to estimate the distribution of charge collected by the strips 6 of ATLAS SCT modules in a 25ns window under two LHC proton beam scrape scenarios. [...]
ATL-INDET-PUB-2013-002. - 2013. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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3615.
Preliminary results on the muon reconstruction efficiency, momentum resolution, and momentum scale in ATLAS 2012 pp collision data
The ATLAS experiment identifies and reconstructs muons with two high precision tracking systems, the Inner Detector and the Muon Spectrometer, which provide independent measurements of the muon momentum. [...]
ATLAS-CONF-2013-088. - 2013. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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3616.
Prospects for the high-luminosity LHC / Jezequel, S (Annecy, LAPP)
This note reviews the main physic topics accessible with the high-luminosity LHC program (HL-LHC) [...]
ATL-UPGRADE-PROC-2013-005. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3617.
Status of the Atlas Liquid Argon Calorimeter and its Performance after three years of LHC operation / De La Torre, H (Madrid Autonoma U.)
The ATLAS experiment is designed to study the proton-proton collisions produced at the Large Hadron Collider(LHC) at CERN. [...]
ATL-LARG-PROC-2013-004. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version
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3618.
SUSY overview at ATLAS / Khramov, E (Dubna, JINR)
This contribution summarises recent results on inclusive searches for three squark generations and gluinos, as well as the electro-weak production of sleptons, charginos and neutralinos. [...]
ATL-PHYS-PROC-2013-212. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3619.
Top and electroweak results from ATLAS and CMS / Spighi, R
A selection of top and electroweak results performed by ATLAS and CMS are presented. [...]
ATL-PHYS-PROC-2013-213. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3620.
Search for strongly produced supersymmetric particles in decays with two leptons at $\sqrt{s}$ = 8 TeV
This note presents a search for squarks and gluinos in final states containing two isolated electrons or muons using the ATLAS Detector at the LHC in 20.3 fb$^{-1}$ of $\sqrt{s} = 8$ TeV proton-proton collisions. [...]
ATLAS-CONF-2013-089. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3621.
Search for charged Higgs bosons in the $\tau$+jets final state with pp collision data recorded at $\sqrt s=8$ TeV with the ATLAS experiment
The experimental observation of charged Higgs bosons, $H^{\pm}$, which are predicted by many models with an extended Higgs sector, would indicate physics beyond the Standard Model. [...]
ATLAS-CONF-2013-090. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3622.
Measurement of V+jet production and MPI with ATLAS / Sawyer, C (Oxford U.)
The production of jets in association with a $W$ or $Z$ boson in proton-proton collisions at 7 TeV allows the study of multileg QCD diagrams. [...]
ATL-PHYS-PROC-2013-214. - 2013. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3623.
Search for massive particles in multijet signatures with the ATLAS detector in $\sqrt{s} = 8$ TeV pp collisions at the LHC
A search is conducted for hadronic three-body decays of new massive particles in $\sqrt{s} = 8$ TeV pp collisions using an integrated luminosity of $20.3 \pm 0.6\ fb^{−1}$ collected by the ATLAS detector. [...]
ATLAS-CONF-2013-091. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3624.
Search for long-lived, heavy particles in final states with a muon and a multi-track displaced vertex in proton-proton collisions at sqrt(s) = 8TeV with the ATLAS detector.
Many extensions of the Standard Model posit the existence of new heavy particles with long lifetimes. [...]
ATLAS-CONF-2013-092. - 2013. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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3625.
Search for chargino and neutralino production in final states with one lepton, two b-jets consistent with a Higgs boson, and missing transverse momentum with the ATLAS detector in 20.3 fb$^{-1}$ of $\sqrt{s}$ = 8 TeV $pp$ collisions
A search for direct production of charginos ($\chi^{\pm}_{1}$) and neutralinos ($\chi^0_{2}$) in final states with one charged lepton (electron or muon), missing transverse momentum, and two jets identified as originating from b-quarks and consistent with a 125 GeV Higgs boson is performed. [...]
ATLAS-CONF-2013-093. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3626.
Upgrade Plans for ATLAS Forward Calorimetry for the HL-LHC / Krieger, P (Toronto U.)
The ATLAS detector was designed and built to study proton-proton (pp) collisions produced by the Large Hadron Collider (LHC) at centre-of-mass energies up to 14 TeV and instantaneous luminosities up to $10^{34}{\rm cm}^{-2}{\rm s}^{-1}$. [...]
ATL-LARG-PROC-2013-005. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version
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3627.
Simulation and validation of the ATLAS Tile Calorimeter at LHC / Artamonov, A (Moscow, ITEP)
TileCal is the hadronic calorimeter covering the most central region of the ATLAS experiment at the\nLHC. [...]
ATL-TILECAL-PROC-2013-010. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version
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3628.
Performance of the ATLAS Tile Calorimeter / Wilkens, H G S (CERN)
The Tile Calorimeter is the central section of the ATLAS hadronic calorimeter. [...]
ATL-TILECAL-PROC-2013-011. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version
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3629.
ATLAS Level-1 Calorimeter Trigger:\nStatus and Development / Bracinik, J (Birmingham U.)
The ATLAS Level-1 Calorimeter Trigger seeds all the\ncalorimeter\nbased triggers in the ATLAS experiment at LHC.\nThe inputs to the system are analogue signals of\nreduced\ngranularity, formed by summing cells from both the ATLAS Liquid\nArgon and Tile calorimeters.\nSeveral stages of analogue then\ndigital processing, largely performed in FPGAs, refine these\nsignals via configurable and flexible algorithms into identified\nphysics objects, for example electron, tau or jet candidates.\nThe complete processing chain is performed in a pipelined\nsystem at the LHC bunch-crossing frequency, and with a fixed\nlatency of about 1$\mu$s.\n\nThe first LHC run from 2009-2013 provided a varied and\nchallenging environment for first level triggers.\nWhile\nthe energy and luminosity were below the LHC design, the pile-up\nconditions were similar to the nominal conditions.\nThe physics ambitions of the experiment also tested the performance\nof the Level-1 system while keeping within the rate limits\nset by detector readout.\nThis presentation will show how the\nLevel-1 Calorimeter rose to this challenge, including the\nrate and efficiency for important physics channels.\nIt will illustrate how the flexibility of FPGAs was utilised to\nenhance the performance and that there are still more\nideas to improve the trigger performance during the current\nshutdown using the spare capacity and flexibility built into\nthe processing modules along with small hardware additions.\nFinally, the longer term upgrade plans will also be reviewed..
ATL-DAQ-PROC-2013-009. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version
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3630.
ATLAS detector performances for electrons and photons / Buat, Q (LPSC, Grenoble)
We review in this document the performances of the ATLAS detector for the identification of the electrons and photons as well as for the reconstruction of their properties. [...]
ATL-PHYS-PROC-2013-215. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published version
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3631.
Cross-Section Measurement of $\psi(2\mathrm{S})\rightarrow J/\psi(\rightarrow\mu^+\mu^-)\pi^+\pi^-$ in 7 TeV $pp$ collisions at ATLAS
The prompt and non-prompt production cross-sections for $\psi(2\mathrm{S})$ mesons are measured using 2.1 fb$^{-1}$ of $pp$ collision data at a centre-of-mass energy of 7 TeV recorded by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2013-094. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3632.
Measurement of $\chi_{c1}$ and $\chi_{c2}$ production with $\sqrt{s}=7\,\mathrm{TeV}$ $pp$ collisions at ATLAS
The prompt and non-prompt production cross sections for the $\chi_{c1}$ and $\chi_{c2}$ charmonium states are measured in $pp$ collisions at $\sqrt{s}=7\,\mathrm{TeV}$ with the ATLAS detector at the LHC using $4.5\,\mathrm{fb}^{-1}$ of integrated luminosity. [...]
ATLAS-CONF-2013-095. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3633.
Performance of the ATLAS High Level Trigger in the 2011 and 2012 run / Bernius, C (Louisiana Tech. U.)
The ATLAS detector operated during the last 3 years in the LHC beam line, collecting more than 27 fb^-1 of proton-proton events [...]
ATL-DAQ-PROC-2013-010. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version
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3634.
Irradiation Tests and Expected Performance of Readout Electronics of the ATLAS Hadronic Endcap Calorimeter for the HL-LHC / Nagel, Martin (Stuttgart, Max Planck Inst.)
The readout electronics of the ATLAS Hadronic Endcap Calorimeter (HEC) will have to withstand an about 3-5 times larger radiation environment at the future high-luminosity LHC (HLLHC) compared to their design values. [...]
arXiv:1309.0672 ; ATL-LARG-PROC-2013-006. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text - Full text
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3635.
TileCal Trigger Tower studies considering additional segmentation on the ATLAS upgrade for the high luminosity LHC / March, L (Valencia U., IFIC)
The ATLAS Tile hadronic calorimeter (TileCal) provides highly-segmented energy measurements of incoming particles. [...]
ATL-TILECAL-PROC-2013-012. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version
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3636.
Recent results on vector boson production in association with jets
Production of jets in association with a vector boson in proton­proton collisions at 7 TeV represent an important process to study QCD in a multi­scale environment. [...]
ATLAS-CONF-2013-096. - 2013. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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3637.
Method for Backplane Data Communication with the VME Rear Transition Modules Developed for the ATLAS FTK Project / Bogdan, M (Chicago U.) ; Magalotti, D (Modena U.) ; Piendibene, M (Pisa U.) ; Shochet, M (Chicago U.) ; Tompkins, L (Chicago U.)
This paper presents a method to achieve backplane data transfer capabilities to and from a VME Rear Transition Module (RTM), while being in full compliance with the VME64/VIPA Specification. [...]
ATL-DAQ-PROC-2013-011. - 2013. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3638.
Properties of the new boson / Cerutti, F (LBL, Berkeley)
One year after the ATLAS and CMS discovery, supported by D0 and CDF measurements, the properties of the new boson have been studied with increasing accuracy using the LHC $pp$ collision data and the Tevatron $p \bar{p}$ data. [...]
ATL-PHYS-PROC-2013-216. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3639.
Search for top squark pair production in final states with one isolated lepton, jets and missing transverse momentum in √s = 8 TeV pp collisions using 21 fb^−1 of ATLAS data / Nachman, B (SLAC)
The ATLAS Collaboration has performed a search for natural weak scale Supersymmetry (SUSY) in the form of light top quark partners (top squarks). [...]
ATL-PHYS-PROC-2013-217. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Published version from PoS
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3640.
Recent results from the ATLAS experiment / Jackson, P (Adelaide U.)
The ATLAS experiment at the Large Hadron Collider at CERN is a general purpose detector for studying proton-proton collisions at TeV energies. [...]
ATL-PHYS-PROC-2013-218. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3641.
Heavy Flavor Physics at ATLAS and CMS / Gorelov, Igor V. (New Mexico U.)
Recent results on heavy flavor physics using data from ATLAS and CMS\n detectors are presented. [...]
arXiv:1309.3603 ; ATL-PHYS-PROC-2013-219 ; ATL-PHYS-PROC-2013-219. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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3642.
A Neural-Network Clusterisation Algorithm for the ATLAS Silicon Pixel Detector / Leney, KJC (Witwatersrand U.)
A novel technique using a set of artificial neural networks to identify and split merged measurements created by multiple charged particles in the ATLAS pixel detector is presented. [...]
ATL-SOFT-PROC-2013-002. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3643.
Top Quark Production at $E_{cm}=8$ TeV with the ATLAS and CMS experiments. / Cabrera-Urbán, S (Valencia U., IFIC)
The production of top quarks in proton proton collisions produced by the LHC (Large Hadron Collider) at center of mass energies of 8 TeV has been recently investigated using the data samples collected by the CMS and ATLAS detectors in 2012. [...]
ATL-PHYS-PROC-2013-220. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3644.
Studies of the underlying event in ATLAS / Wahrmund, S (Dresden, Tech. U.)
Particle distributions sensitive to the underlying event have been measured with the \nATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2013-221. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3645.
Measurement of the centrality dependence of the charged particle pseudorapidity distribution in proton-lead collisions at $\sqrt{s_{NN}} = 5.02$ TeV with the ATLAS detector
The ATLAS experiment at the LHC has measured the centrality dependence of charged particle pseudorapidity distributions, $dN_{ch}/d\eta$, in $p$+Pb collisions at a nucleon-nucleon centre-of-mass energy of $\sqrt{s_{NN}}=5.02$~TeV. [...]
ATLAS-CONF-2013-096. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3646.
Measurement of Higgs boson properties in ATLAS / Ippolito, V (INFN, Rome ; U.Rome La Sapienza (main))
Recent results on the properties of the new particle observed in the search for the Higgs boson at the ATLAS experiment, based on up to 25fb−1 of data collected in pp collisions at the LHC at center–of–mass energies of 7 TeV and 8 TeV, are presented..
ATL-PHYS-PROC-2013-222. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3647.
Search for the Standard Model Higgs boson produced in association with top quarks and decaying to bbar in pp collisions at sqrt(s)=7 TeV with the ATLAS detector at the LHC / Serkin, L (Gottingen U., II. Phys. Inst.)
A search for a Higgs boson produced in association with a pair of top quarks (ttH) and decaying\ninto a pair of bottomquarks H -&gt; bb is presented. [...]
ATL-PHYS-PROC-2013-223. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3648.
QCD jet results in ATLAS and CMS / Bryngemark, L (Lund U.)
A brief summary of recent measurements of QCD jet production at the LHC, featuring results from ATLAS and CMS, is given. [...]
ATL-PHYS-PROC-2013-224. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3649.
The new Higgs particle in the H->ZZ*->4l searches with the ATLAS detector / Salvucci, A (Nijmegen U., IMAPP ; NIKHEF, Amsterdam) ; de Groot, N (Nijmegen U., IMAPP ; NIKHEF, Amsterdam)
This document presents results and measurements of the properties of the newly observed Higgs particle in the decay channel H → ZZ(∗) → l+l−l'+l'−, where l,l' = e or $\mu$. [...]
ATL-PHYS-PROC-2013-225. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3650.
Upgraded Readout and Trigger Electronics for the ATLAS Liquid Argon Calorimeter at the LHC at the Horizons 2018-2022 / Oliveira Damazio, Denis (Brookhaven Natl. Lab.)
The ATLAS Liquid Argon (LAr) calorimeters produce a total of 182,486 signals which are digitized and processed by the front-end and back-end electronics at every triggered event. [...]
ATL-LARG-PROC-2013-007. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version
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3651.
Measurement of the $t\bar{t}$ production cross-section in $pp$ collisions at $\sqrt{s}=8$ TeV using $e\mu$ events with $b$-tagged jets
This note describes a measurement of the inclusive top-pair production cross-section ($\sigma_{t\bar{t}}$) with the full 2012 ATLAS data sample of 20.3 fb$^{-1}$ of proton-proton collision data at a centre-of-mass energy of $\sqrt{s}=8$ TeV, using $t\bar{t}$ events with an opposite-sign $e\mu$ pair in the final state. [...]
ATLAS-CONF-2013-097. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3652.
Overview of the ATLAS Insertable B-Layer (IBL) Project / Pohl, D-L (Bonn U.)
The upgrade of the present ATLAS detector with a new layer of hybrid pixel detectors constitutes\nthe first improvement of the tracking system for operation at high luminosity LHC. [...]
ATL-INDET-PROC-2013-008. - 2013. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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3653.
Measurement of top-quark pair differential cross-sections in the $l$+jets channel in $pp$ collisions at $\sqrt{s}=7$ TeV using the ATLAS detector
This note presents a measurement of normalized differential cross-sections in the final state with a top quark and top antiquark pair ($t\bar{t}$) as a function of the top quark transverse momentum, and of the mass, transverse momentum and rapidity of the $t\bar{t}$ system. [...]
ATLAS-CONF-2013-099. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3654.
Measurement of the cross-section for associated production of a top quark and a W boson at $\sqrt{s}=8$ TeV with the ATLAS detector
A measurement is presented of the cross-section for the associated production of a top quark and a $W$ boson in a proton proton collision ($pp$) data set at a center-of-mass energy $\sqrt{s}=8$ TeV corresponding to an integrated luminosity of 20.3 fb$^{-1}$ with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2013-100. - 2013. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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3655.
Measurements of spin correlation in top-antitop quark events from proton-proton collisions at √s = 7 TeV using the ATLAS detector
Measurements of spin correlation in top quark pair production are presented using data collected with the ATLAS detector at the LHC with proton-proton collisions at a center-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 4.6 fb−1. [...]
ATLAS-CONF-2013-101. - 2013. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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3656.
An upgraded ATLAS Central Trigger for 2015 LHC luminosities / Ohm, C (CERN)
The LHC collides protons at a rate of 40 MHz and each collision produces $\sim$1.5~MB of data from the ATLAS detector. [...]
ATL-DAQ-PROC-2013-012. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from JACoW
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3657.
Combination of single top-quark cross-sections measurements in the t-channel at sqrt[s]=8 TeV with the ATLAS and CMS experiments /ATLAS and CMS Collaborations
A combination of measurements of the single top-quark production cross-section in the t-channel at $\sqrt{s}=8$ TeV by the ATLAS and CMS experiments at the LHC is presented. The measurements from ATLAS and CMS are based on integrated luminosities of 5.8 fb$^{-1}$ and 5.0 fb$^{-1}$, respectively. [...]
CMS-PAS-TOP-12-002; ATLAS-CONF-2013-098.- Geneva : CERN, 2013 - 11 p. Figure_001: PDF; Fulltext (ATLAS): PDF; Fulltext (CMS): PDF; External link: Original Communication (restricted to ATLAS)
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3658.
The Associative Memory system for the FTK processor at ATLAS / Cipriani, R (Pisa U. ; INFN, Pisa) ; Citraro, S (Pisa U. ; INFN, Pisa) ; Donati, S (Pisa U. ; INFN, Pisa) ; Giannetti, P (INFN, Pisa) ; Lanza, A (INFN, Pavia) ; Luciano, P (Pisa U. ; INFN, Pisa) ; Magalotti, D (Modena U.) ; Piendibene, M (Pisa U. ; INFN, Pisa)
Experiments at the LHC hadron collider search for extremely rare processes hidden in much larger background levels. [...]
ATL-DAQ-PROC-2013-013. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3659.
Operation and performance of the ATLAS liquid argon electromagnetic calorimeters / Maurer, J (Marseille, CPPM)
The electromagnetic calorimetry is a key component for the achievement of the ATLAS experiment physics goals. [...]
ATL-LARG-PROC-2013-008. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3660.
Differential cross section measurements in $H \to \gamma\gamma$ with the ATLAS detector at the LHC / Saxon, J (Pennsylvania U.)
This work presents differential cross section measurements of the Higgs boson, performed in the diphoton decay channel. [...]
ATL-PHYS-PROC-2013-226. - 2013. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3661.
Measurement of vector boson plus photon production with the ATLAS detector and associated constraints on new physics / Helary, L (Boston U.)
We present the measurement of the integrated and differential fiducial cross sections for the production of a W or Z boson in association with a high energy photon, using ATLAS pp collision data at sqrt(s) = 7 TeV and an integrated luminosity of L = 4.6 fb-1. [...]
ATL-PHYS-PROC-2013-227. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - PoS
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3662.
Optimizing ATLAS code with different profilers / Kama, S (Southern Methodist U.) ; Seuster, R (TRIUMF) ; Stewart, A G (Glasgow U. ; CERN) ; Vitillo, A R (LBL, Berkeley)
After the current maintenance period, the LHC will provide higher\nenergy collisions with increased luminosity. [...]
ATL-SOFT-PROC-2013-003. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3663.
Combination of ATLAS and CMS results on the mass of the top-quark using up to 4.9 fb$^{-1}$ of $\sqrt{s}=7$ TeV LHC data
A combination of top-quark mass measurements performed\n by the ATLAS and CMS experiments at the LHC is presented. [...]
ATLAS-CONF-2013-102. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3664.
Semi-leptonic ZZ/ZW Diboson Final State Search at 8 TeV with ATLAS / Meehan, S (Chicago U.) ; Pilcher, J (University of Chicago)
Processes involving pairs of bosons in the final state play an important role in a wide range of measurements and searches at the LHC. [...]
ATL-PHYS-PROC-2013-228. - 2013.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3665.
Search for gluino and squark production in final states with an isolated lepton, jets and missing transverse momentum with the ATLAS detector in 20 fb^{-1} of sqrt{s}=8 TeV pp collisions / Lorenz, J M (Munich U.)
A search for the Standard Model Higgs boson in decay mode H $\rightarrow$ ZZ $\rightarrow$ $l^{+}l^{-} \tau^{+} \tau^{-}$ where $l$ = $\mu$, $e$ is presented based on CMS data corresponding to an integrated luminosity of $\sim$ 25 $fb^{-1}$ (data taken during 2011,2012 run of LHC). [...]
ATL-PHYS-PROC-2013-229. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3666.
SUSY Searches for Inclusive Squark and Gluino Production at the LHC / Marti, L (Bern U.)
Searches for Supersymmetry at the LHC with inclusive squark and gluino production in various different final states are presented. [...]
ATL-PHYS-PROC-2013-230. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3667.
Measurements of heavy flavour production in association with $W$ and $Z$ bosons with the ATLAS detector / Cooper, B (University Coll. London)
The most recent measurements of heavy flavour production in association with $W$ and $Z$ bosons with the ATLAS detector at the LHC are presented: a measurement of $Z$ + $b$-jet production using 36$\rm{pb^{-1}}$, a measurement of $W$ + $\geq$ 1 b-jet production using 4.6$\rm{fb^{-1}}$, and a measurement of $W$ production in association with a charm hadron using 4.6$\rm{fb^{-1}}$. [...]
ATL-PHYS-PROC-2013-231. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3668.
Variable resolution Associative Memory optimization and simulation for the ATLAS\nFastTracker project / Annovi, A (INFN, Frascati) ; Castegnaro, A (INFN, Frascati) ; Giannetti, P (INFN, Pisa) ; Jiang, Z (Chicago U.) ; Luongo, C (INFN, Pisa) ; Pandini, C (Milan U.) ; Roda, C (INFN, Pisa ; Pisa U.) ; Shochet, M (Chicago U.) ; Tompkins, L (Chicago U.) ; Volpi, G (INFN, Frascati)
ATLAS is planning to use a hardware processor, the Fast Tracker (FTK), to perform on-line track\nreconstruction at the level−1 event output rate (100 kHz). [...]
ATL-DAQ-PROC-2013-014. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3669.
Search for exotics long-lived particles with ATLAS at the LHC / Policicchio, A (INFN, Cosenza)
Data taken in 2011 with the ATLAS detector at the Large Hadron Collider have been used to search for physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2013-232. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3670.
Measurements of inclusive and associated jet W and Z production with the ATLAS detector / Tricoli, A (CERN)
The productions of the W+- and Z bosons are standard candle processes at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2013-233. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3671.
Search for electroweak production of supersymmetric particles in final states with at least two hadronically decaying taus and missing transverse momentum with the ATLAS detector in proton-proton collisions at $\sqrt{s}$= 8 TeV / Bai, Y (Beijing, Inst. High Energy Phys.) ; Jin, S (Beijing, Inst. High Energy Phys.) ; Zhuang, X (Beijing, Inst. High Energy Phys.)
A search for the production of weakly coupled supersymmetric particle decaying into final states with at least two hadronically decaying taus and missing transverse momentum is presented in this poster. [...]
ATL-PHYS-PROC-2013-234. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3672.
ATLAS trigger simulation with legacy code using virtualization techniques / Galster, G (Copenhagen U.) ; Stelzer, J (Michigan State U.) ; Wiedenmann, W (Wisconsin U., Madison)
Abstract. [...]
ATL-DAQ-PROC-2013-015. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3673.
Searches for heavy long-lived sleptons with the ATLAS detector in pp collisions at √s = 8 TeV / Musto, E (Technion) ; Tarem, S (Technion)
A search for long-lived sleptons has been performed on a data sample of 15.9 fb−1 of pp collisions at a center of mass energy of √s= 8 TeV collected by the ATLAS detector at LHC in 2012. [...]
ATL-PHYS-PROC-2013-235. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3674.
SUSY search with two same-sign leptons and jets with the ATLAS detector using 21 fb$^{-1}$ of pp collisions at 8 TeV / Ducu, O (Bucharest, IFIN-HH ; Marseille, CPPM)
A search for the production of supersymmetric particles decaying into final states with jets, bjets,\nmissing transverse momentum and two isolated leptons, e or $\mu$, with the same electric charge\n(same-sign leptons) is presented. [...]
ATL-PHYS-PROC-2013-236. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3675.
Searches for Extra Dimensions, Leptoquarks, and Technicolor at the LHC : proceedings for the Rencontres de Blois on "Particle Physics and Cosmology" / Grancagnolo, S (Humboldt U., Berlin)
A review of the last results with the data collected by the ATLAS and CMS experiments during 2011-2012 runs at the LHC is presented. [...]
ATL-PHYS-PROC-2013-237. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3676.
Review of ATLAS Heavy Quark and Quarkonium results / Watson, MF (Birmingham U.) ; Watson, AT (Birmingham U.)
A new ATLAS measurement of the differential production cross-section of B+ mesons in the region|η|<2.25and9<pT <120GeVispresented,togetherwiththedifferentialcross-sections of b-hadrons via the decay mode D∗+μ−X. [...]
ATL-PHYS-PROC-2013-238. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published verssion from PoS
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3677.
Search for supersymmetry in events with large missing transverse momentum, jets, and at least one tau lepton in 21 fb−1 of 8 TeV proton-proton collision data with the ATLAS detector. / Dale, O (Bergen U.)
Searches for Supersymmetry (SUSY) with tau leptons are of interest due to the enhanced branching ratio into taus compared to light leptons (e/μ) in many SUSY models [...]
ATL-PHYS-PROC-2013-239. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3678.
Measurements of the WW and combined WW / WZ producton cross sections in √ s = 7 TeV pp collisions with the ATLAS detector and limits on anomalous triple gauge couplings / Liu, J (Shanghai U. Sci. Tech.)
A measurement of the W W production cross section using the W W fully leptonic decays in 4.64 fb−1 of 7 TeV pp collisions recorded with the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2013-240. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3679.
Studies for the development of the Inner Detector trigger algorithms at ATLAS
A description of the ATLAS Inner Detector (ID) sofware trigger algorithms running online on the high level trigger (HLT) processor farm is presented. [...]
ATL-DAQ-PUB-2013-002. - 2013. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3680.
Inclusive and dijet jet production measured with the ATLAS detector / Kogan, L A (Oxford U.)
Inclusive jet and dijet double differential cross sections have been measured in proton proton collisions using the ATLAS detector. [...]
ATL-PHYS-PROC-2013-241. - 2013.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3681.
Search for supersymmetry with a compressed mass spectrum in events involving soft leptons, jets and missing transverse momentum with an integrated luminosity of 20.1 pb^{-1} of sqrt(s) = 8 TeV ATLAS data / Morvaj, L (Nagoya U.) ; Tomoto, M (Nagoya U.)
Supersymmetric scenarios characterised by a compressed sparticle spectrum represent an experimental challenge as they could be missed in inclusive searches. [...]
ATL-PHYS-PROC-2013-242. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3682.
Inclusive Searches for Squarks and Gluinos with the ATLAS Detector / Koutsman, A (TRIUMF)
The latest results from searches for squarks and gluinos by the ATLAS experiment at the Large Hadron Collider in final states containing jets, large missing transverse momentum and, in some cases, isolated leptons are summarized in these proceedings. [...]
ATL-PHYS-PROC-2013-243. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3683.
Performance and operation experience of the Atlas Semiconductor Tracker / Dervan, P (Liverpool U.) ; Kondo, T (KEK, Tsukuba)
After more than 3 years of successful operation at the LHC, we report on the \noperation and performance of the ATLAS Semi-Conductor Tracker (SCT) functioning in a \nhigh luminosity, high radiation environment. [...]
ATL-INDET-PROC-2013-009. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3684.
Global characteristics of the proton-lead collisions in ATLAS / Villa, M (INFN, Bologna ; Bologna U.)
The ATLAS experiment has studied the centrality dependence of global event characteristics in proton-lead collisions at $\sqrt{s}_{NN} = 5.02$ TeV. [...]
ATL-PHYS-PROC-2013-244. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3685.
The search for rare decays of the Higgs boson with ATLAS and CMS / Elmsheuser, Johannes (Munich U.)
The Higgs-like boson discovered by the ATLAS and CMS collaborations is a candidate for the last unobserved particle predicted by the Standard Model (SM). [...]
ATL-PHYS-PROC-2013-245. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3686.
Data Quality Monitoring for the ATLAS trigger System during the first data taking period of the Large Hadron Collider / Oliveira Damazio, Denis (Brookhaven Natl. Lab.)
The first long period of data taking of the Large Hadron Collider was finished after 3 years of work in February 2013 [...]
ATL-DAQ-PROC-2013-016. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3687.
Photon, di-photon and photon plus jet production measured with the ATLAS detector / Stockton, M (McGill U.)
Isolated prompt photons provide a direct probe of short-distance physics, complementary to that provided by measurements of jets or vector-bosons. [...]
ATL-PHYS-PROC-2013-246. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3688.
Luminosity Monitoring in ATLAS with MPX Detectors
The ATLAS-MPX detectors are based on the Medipix2 silicon devices designed by CERN for the detection of multiple types of radiation. [...]
ATLAS-CONF-2013-103. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3689.
Performance assumptions based on full simulation for an upgraded ATLAS detector at a High-Luminosity LHC
This note documents the performance assumptions used for ATLAS physics projections presented at the 2013 ECFA HL-LHC workshop. [...]
ATL-PHYS-PUB-2013-009. - 2013. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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3690.
ATLAS B-physics studies at increased LHC luminosity, potential for CP-violation measurement in the B0s → J/ψφ decay
The potential for future measurements of CP violation using the decay B0s → J/ψφ at ATLAS is discussed. [...]
ATL-PHYS-PUB-2013-010. - 2013. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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3691.
Searches for new resonances from BSM / Ledroit-Guillon, F (LPSC, Grenoble)
Several months after the end of the first run of the LHC, the searches for physics beyond the Standard Model (BSM) are now well developed. [...]
ATL-PHYS-PROC-2013-247. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3692.
Expected pileup values at the HL-LHC
In this brief note the expected mean number of interactions and the length of the luminous region for the HL-LHC is discussed for an instantaneous luminosity of $5 \times 10^{34}$~cm$^{-2}$s$^{-1}$. [...]
ATL-UPGRADE-PUB-2013-014. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3693.
High Mass Higgs boson Searches in ATLAS and CMS / Machado Miguens, Joana (Liverpool U.)
The recently discovered resonance at 125 GeV shows properties, so far, consistent with the Stan- dard Model Higgs boson. [...]
ATL-PHYS-PROC-2013-248. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3694.
Searches for new physics in events with multiple leptons with the ATLAS detector / Hayden, D (Michigan State U.)
Events containing multiple leptons are useful probes of new phenomena due to the low background from Standard Model processes. [...]
ATL-PHYS-PROC-2013-249. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3695.
The ATLAS muon and tau triggers / Dell'Asta, L (Boston U.)
The ATLAS Experiment at CERN's Large Hadron Collider (LHC) deploys a three-levels processing scheme for the trigger system. [...]
ATL-DAQ-PROC-2013-017. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3696.
The evolution of the Trigger and Data Acquisition System in the ATLAS experiment / Krasznahorkay, A (CERN)
The ATLAS experiment, aimed at recording the results of LHC proton-proton collisions, is upgrading its Trigger and Data Acquisition (TDAQ) system during the current LHC first long shutdown. [...]
ATL-DAQ-PROC-2013-018. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3697.
Non-SUSY Searches / Golling, T (Yale U.)
An overview is given over the exotic searches at ATLAS and CMS..
ATL-PHYS-PROC-2013-250. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3698.
Prospects for benchmark Supersymmetry searches at the high luminosity LHC with the ATLAS Detector
Supersymmetry is one of the best motivated and well-studied extensions of the Standard Model. [...]
ATL-PHYS-PUB-2013-011. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3699.
Sensitivity of ATLAS at HL-LHC to flavour changing neutral currents in top quark decays t → cH, with H → γγ
The sensitivity of a search for flavour changing neutral currents in top quark decays t → cH, with H → γγ at HL-LHC, using the ATLAS detector is estimated. [...]
ATL-PHYS-PUB-2013-012. - 2013. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3700.
Concepts and Plans towards fast large scale Monte Carlo production for the ATLAS Experiment / for the ATLAS collaboration
The huge success of the physics program of the ATLAS experiment at the Large Hadron Collider (LHC) during run I relies upon a great number of simulated Monte Carlo events. [...]
ATL-SOFT-PROC-2013-004. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3701.
The Search for Dark Matter with the ATLAS Detector / Diehl, E (Michigan U.)
This paper presents results on the search for Dark Matter with the ATLAS experiment at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2013-251. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3702.
Evolution of the ATLAS PanDA Workload Management System for Exascale Computational Science / Maeno, T (Brookhaven Natl. Lab.) ; De, K (Texas U., Arlington) ; Klimentov, A (Brookhaven Natl. Lab.) ; Nilsson, P (Texas U., Arlington) ; Oleynik, D (Texas U., Arlington) ; Panitkin, S (Brookhaven Natl. Lab.) ; Petrosyan, A (Texas U., Arlington) ; Schovancova, J (Brookhaven Natl. Lab.) ; Vaniachine, A (Argonne) ; Wenaus, T (Brookhaven Natl. Lab.) et al.
An important foundation underlying the impressive success of data processing and analysis in the ATLAS experiment [1] at the LHC [2] is the Production and Distributed Analysis (PanDA) workload management system [3]. [...]
ATL-SOFT-PROC-2013-005. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3703.
W /Z+jets production (including heavy flavours) at the LHC / Vanadia, M (INFN, Rome ; Rome U.)
An overview is presented of the recent results by the ATLAS and CMS experiments on the\nproduction of hadronic jets in association with a W or a Z boson based on up to 5 fb$^{-1}$ of $pp$ collision data collected at the LHC..
ATL-PHYS-PROC-2013-252. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3704.
ATLAS distributed computing: experience and evolution / Nairz, A (CERN)
The ATLAS experiment has just concluded its first running period which commenced in 2010. [...]
ATL-SOFT-PROC-2013-006. - 2014. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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3705.
Search for heavy resonances with the ATLAS detector / Castaneda-Miranda, E (Johannesburg U.)
We present a summary of recent results on the search for heavy resonances based on several different signatures and using the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2013-253. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3706.
Studies of Higgs spin and parity with the ATLAS detector at the LHC / Gabrielli, A (Rome U. ; INFN, Rome)
Studies of the spin and parity quantum numbers of the Higgs boson candidate are presented. [...]
ATL-PHYS-PROC-2013-254. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3707.
Lessons learned from the ATLAS performance studies of the Iberian Cloud for the first LHC running period. / Sánchez-Martínez, V (Valencia U., IFIC) ; Borges, G (LIP, Lisbon) ; Borrego, C (Barcelona, IFAE) ; del Peso, J (Madrid, IFT) ; Delfino, M (PIC, Bellaterra ; Barcelona, Autonoma U.) ; Gomes, J (LIP, Lisbon) ; González de la Hoz, S (Valencia U., IFIC) ; Pacheco Pages, A (Barcelona, IFAE) ; Salt, J (Valencia U., IFIC) ; Sedov, A (Barcelona, IFAE ; PIC, Bellaterra) et al.
In this contribution we describe the performance of the Iberian (Spain and Portugal) ATLAS cloud during the first LHC running period (March 2010-January 2013) in the context of the GRID Computing and Data Distribution Model. [...]
ATL-SOFT-PROC-2013-007. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3708.
Measurement of the Higgs boson properties in the $WW^{(*)} \rightarrow \ell \nu \ell \nu$ decay mode with the ATLAS detector at the LHC / Jovicevic, J (Royal Inst. Tech., Sodertalje)
This article describes the measurements of the Higgs boson properties in the $H \rightarrow WW^{(\ast)} \rightarrow \ell \nu \ell \nu$ ($\ell = e, \mu$) decay mode using the ATLAS detector at the CERN Large Hadron Collider. [...]
ATL-PHYS-PROC-2013-255. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3709.
The ATLAS Tile Calorimeter / Calvet, D (Clermont-Ferrand U.)
This article contains a general description of the Tile Calorimeter, the main hadronic calorimeter of the ATLAS experiment at LHC. [...]
ATL-TILECAL-PROC-2013-013. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3710.
ATLAS Distributed Computing Monitoring tools during the LHC Run I / Schovancova, J (Brookhaven Natl. Lab.) ; Campana, S (CERN) ; Di Girolamo, A (CERN) ; Jezequel, S (CERN) ; Ueda, I (Tokyo U. of Sci.) ; Wenaus, T (Brookhaven Natl. Lab.)
This contribution summarizes evolution of the ATLAS Distributed Computing (ADC) Monitoring project during the LHC Run I [...]
ATL-SOFT-PROC-2013-008. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3711.
Common accounting system for monitoring the ATLAS Distributed Computing resources / Karavakis, E (CERN) ; Andreeva, J (CERN) ; Campana, S (CERN) ; Gayazov, S (Novosibirsk, IYF) ; Jezequel, S (CNRS) ; Saiz, P (CERN) ; Sargsyan, L (Yerevan Phys. Inst.) ; Schovancova, J (Brookhaven Natl. Lab.) ; Ueda, I (Tokyo U.)
This paper covers in detail a variety of accounting tools used to monitor the utilisation of the available computational and storage resources within the ATLAS Distributed Computing during the first three years of Large Hadron Collider data taking. [...]
ATL-SOFT-PROC-2013-009. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3712.
ATLAS Nightly Build System Upgrade / Dimitrov, G (CERN) ; Obreshkov, E (Innsbruck U.) ; Simmons, B (University Coll. London) ; Undrus, A (Brookhaven Natl. Lab.)
The ATLAS Nightly Build System is a facility for automatic production of software releases. [...]
ATL-SOFT-PROC-2013-010. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3713.
Recent Higgs Results from the ATLAS Experiment / Williams, H (Pennsylvania U.) ; Brendlinger, K (Pennsylvania U.)
This paper presents recent results on the Higgs boson from the ATLAS experiment. [...]
ATL-PHYS-PROC-2013-256. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3714.
Soft QCD Results from ATLAS and CMS / Gwenlan, C (Oxford U.)
The ATLAS and CMS Collaborations at the LHC have measured a wide range of properties of soft particle production. [...]
ATL-PHYS-PROC-2013-257. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3715.
ATLAS Upgrades Towards the High Luminosity LHC: extending the discovery potential / Valero, A (Valencia U., IFIC)
After successful LHC operation at the center-of-mass energy of 7 and 8 TeV in 2011 and 2012, plans are actively advancing for a series of upgrades, cul- minating roughly 10 years from now in the high luminosity LHC (HL-LHC) project, delivering of order five times the LHC nominal instantaneous lumi- nosity along with luminosity leveling. [...]
ATL-UPGRADE-PROC-2013-006. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3716.
Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS experiment in 20.3 fb−1 of sqrt(s)=8 TeV proton-proton collisions / Consorti, V (Freiburg U.) ; Mamuzic, J (DESY)
This proceeding presents a search for squarks and gluinos in final states containing jets, missing transverse momentum and no electrons or muons with high transverse momentum. [...]
ATL-PHYS-PROC-2013-258. - 2013. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3717.
Popularity Prediction Tool for ATLAS Distributed Data Management / Beermann, T (Wuppertal U. ; CERN) ; Maettig, P (Wuppertal U.) ; Stewart, G (CERN ; Glasgow U.) ; Lassnig, M (CERN) ; Garonne, V (CERN) ; Barisits, M (CERN) ; Vigne, R (CERN) ; Serfon, C (CERN) ; Goossens, L (CERN) ; Nairz, A (CERN) et al.
This paper describes a popularity prediction tool for data-intensive data management systems, such as ATLAS distributed data management (DDM). [...]
ATL-SOFT-PROC-2013-011. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3718.
The ATLAS EventIndex: an event catalogue for experiments collecting large amounts of data / Barberis, D (Genoa U. ; INFN, Genoa) ; Cranshaw, J (Argonne) ; Dimitrov, G (CERN) ; Favareto, A (Genoa U. ; INFN, Genova) ; Fernandez Casani, A (Valencia U., IFIC) ; Gonzalez de la Hoz, S (Valencia U., IFIC) ; Hrivnac, J (Orsay, LAL) ; Malon, D (Argonne) ; Nowak, M (Brookhaven Natl. Lab.) ; Salt Cairols, J (Valencia U., IFIC) et al.
Modern scientific experiments collect vast amounts of data that must be catalogued to meet multiple use cases and search criteria. [...]
ATL-SOFT-PROC-2013-012. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3719.
The DMLite Rucio Plugin: ATLAS data in a filesystem / Lassnig, M (CERN) ; van Dongen, D (Nijmegen U.) ; Brito Da Rocha, R (CERN) ; Alvarez Ayllon, A (CERN) ; Calfayan, P (Munich U.)
Rucio is the next-generation data management system of the ATLAS experiment. [...]
ATL-SOFT-PROC-2013-013. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3720.
A search for new charged heavy gauge W' bosons with the ATLAS detector at the LHC. / Gilles, G (U. Blaise Pascal, Clermont-Ferrand) ; Pallin, D (U. Blaise Pascal, Clermont-Ferrand)
This document presents a search for a $W'$ boson, decaying to a top quark and a $b$ quark in an effective coupling approach, using a multivariate method based on boosted decision trees. [...]
ATL-PHYS-PROC-2013-259. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3721.
A J2EE based server for Muon Spectrometer Alignment monitoring in the ATLAS detector / Formica, A (IRFU, Saclay) ; Giraud, PF (IRFU, Saclay) ; Bauer, F (IRFU, Saclay) ; Chateau, F (IRFU, Saclay)
We describe the software chain for the Atlas muon optical alignment system, dedicated to the measurement of geometry corrections for the Muon Spectrometer chambers. [...]
ATL-SOFT-PROC-2013-014. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3722.
ATLAS software configuration and build tool optimisation / Rybkin, G (Orsay, LAL)
ATLAS software code base is over 6 million lines organised in about 2000 packages. [...]
ATL-SOFT-PROC-2013-015. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3723.
ATLAS DQ2 to Rucio renaming infrastructure / Serfon, C (CERN) ; Barisits, M (CERN ; Innsbruck U.) ; Beermann, T (CERN) ; Garonne, V (CERN) ; Goossens, L (CERN) ; Lassnig, M (CERN) ; Nairz, A (CERN) ; Stewart, G (CERN) ; Vigne, V (CERN) ; Molfetas, A (CERN ; Melbourne U.)
To prepare the migration to the new ATLAS Data Management system called Rucio, a renaming campaign of all the physical files produced by ATLAS is needed. [...]
ATL-SOFT-PROC-2013-016. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3724.
Reliability Engineering Analysis of ATLAS Data Reprocessing Campaigns / Vaniachine, A (Argonne) ; Golubkov, D (Serpukhov, IHEP) ; Karpenko, D (Oslo U.)
During three years of LHC data taking, the ATLAS collaboration completed three petascale data reprocessing campaigns on the Grid, with up to 2 PB of data being reprocessed every year. [...]
ATL-SOFT-PROC-2013-017. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3725.
Overview of the ATLAS Insertable B-Layer (IBL) Project / Kagan, M (SLAC)
The first upgrade for the Pixel Detector will be a new pixel layer which is currently under construction and will be installed during the first shutdown of the LHC machine, in 2013-14. [...]
ATL-INDET-PROC-2013-010. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3726.
Next generation database relational solutions for ATLAS distributed computing / Dimitrov, G (CERN) ; Maeno, T (Berkeley Natl. Lab.) ; Garonne, V (CERN)
The ATLAS Distributed Computing (ADC) project delivers production tools and services for ATLAS offline activities such as data placement and data processing on the Grid. [...]
ATL-SOFT-PROC-2013-018. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3727.
ATLAS Replica Management in Rucio: Replication Rules and Subscriptions / Barisits, M (Innsbruck U. ; TU Vienna ; CERN) ; Serfon, C (CERN) ; Garonne, V (CERN) ; Lassnig, M (CERN) ; Stewart, G (CERN) ; Beermann, T (CERN) ; Vigne, R (CERN) ; Goossens, L (CERN) ; Nairz, A (CERN) ; Molfetas, A (Melbourne U.)
The ATLAS Distributed Data Management system stores more than 150PB of physics data across 120 sites globally. [...]
ATL-SOFT-PROC-2013-019. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3728.
Next-Generation Navigational Infrastructure and the ATLAS Event Store / van Gemmeren, P (Argonne) ; Malon, D (Argonne) ; Nowak, M (Brookhaven Natl. Lab.)
The ATLAS event store employs a persistence framework with extensive navigational capabilities. [...]
ATL-SOFT-PROC-2013-020. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3729.
Tau energy Calibration in the ATLAS Experiment / Brennan, A (Melbourne U.)
Here we describe the energy scale calibration of hadronic $\tau$ decays and the associated uncertainty in 4.5 fb$^{−1}$ of data at $\sqrt{s}$ = 8 TeV recorded in 2012 with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2013-260. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3730.
Luminosity Monitoring in ATLAS with MPX Detectors / Sopczak, Andre (IEAP CTU, Prague)
The ATLAS-MPX detectors are based on the Medipix2 silicon devices designed by CERN for the detection of multiple types of radiation. [...]
ATL-DAPR-PROC-2013-001 ; arXiv:1312.6296. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article - Preprint
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3731.
Derived Physics Data Production in ATLAS: Experience with Run 1 and Looking Ahead (proceedings) / Laycock, P (Liverpool U.) ; Ozturk, O (Texas U., Arlington) ; Beckingham, M (Washington U.) ; Henderson, R (Lancaster U.) ; Zhou, L (Colombia U.)
While a significant fraction of ATLAS physicists directly analyse the AOD (Analysis Object Data) produced at the CERN Tier 0, a much larger fraction have opted to analyse data in a flat ROOT format. [...]
ATL-SOFT-PROC-2013-021. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3732.
SEARCHES FOR (NON-SUPERSYMMETRIC) NEW PHYSICS / Brooijmans, G (Columbia U.)
Recent results from the LHC experiments in searches for non-supersymmetric new physics are presented. [...]
ATL-PHYS-PROC-2013-261. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3733.
ATLAS High-pT measurements in lead-lead collisions / Citron, Z (Weizmann Inst.)
Measurements of high-pT processes in lead-lead collisions can provide insight on the physics responsible for the quenching of jets in the quark gluon plasma. [...]
ATL-PHYS-PROC-2013-262. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3734.
Tau reconstruction and identification in the ATLAS experiment / Leister, A (Yale U.)
In the ATLAS detector, semi-hadronic decays of tau leptons are reconstructed as collimated jets with low track multiplicity. [...]
ATL-GEN-PROC-2013-002. - 2013.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3735.
The online muon identification of the ATLAS experiment at the LHC / Bernard, C (Boston U.)
Identifying muons in the busy LHC environment is an important challenge for the ATLAS detector. [...]
ATL-DAQ-PROC-2013-019. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3736.
DDM Workload Emulation / Vigne, R (Vienna U. ; CERN) ; Schikuta, E (Vienna U.) ; Garonne, V (CERN) ; Stewart, G (CERN) ; Barisits, M (CERN) ; Beermann, T (CERN) ; Serfon, C (CERN) ; Goossens, L (CERN) ; Nairz, A (CERN)
Rucio is the successor of the current Don Quijote 2 (DQ2) system for the distributed data management (DDM) system of the ATLAS experiment. [...]
ATL-SOFT-PROC-2013-022. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3737.
ATLAS Job Transforms / Stewart, G A (Glasgow U. ; CERN) ; Breaden-Madden, W B (Glasgow U.) ; Maddocks, H J (Lancaster U.) ; Harenberg, T (Wuppertal U.) ; Sandhoff, M (Wuppertal U.) ; Sarrazin, B (Bonn U.)
The need to run complex workflows for a high energy physics experiment such as ATLAS has always been present. [...]
ATL-SOFT-PROC-2013-023. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3738.
Top quark mass measurements in ATLAS / Compostella, G (Munich, Max Planck Inst.)
An overview of the measurements of the top quark mass in proton-proton collisions with the ATLAS detector at the Large Hadron Collider is presented. [...]
ATL-PHYS-PROC-2013-263. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3739.
Searches for displaced jets and long-lived particles with ATLAS / Corradi, M (INFN, Bologna)
The production of heavy long-lived particles in pp collisions at LHC has been searched for with the ATLAS detector, exploiting experimental signatures such as vertices displaced from the pp interaction point, slow charged particles traversing the detector, and energy deposits delayed with respect to the pp interaction time. [...]
ATL-PHYS-PROC-2013-264. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3740.
Angular analysis of the decay $\mathrm{B^{0}}\to \mathrm{K}^{*0} \mu^{+} \mu^{-}$ and studies of mixing and $CP$ violation in the $\bf B_S^0$ system with the ATLAS detector / Schieck, Jochen (Munich, Tech. U., Universe ; Munich, Tech. U.)
The measurement of B meson decay properties provides an alternative approach for searches for physics beyond the Standard Model. [...]
arXiv:1310.4213. - 2014. - 6 p.
POS - Preprint - Full text - Fulltext
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3741.
Search for direct sbottom and stop pair production in final states with missing transverse momentum and two b-jets with the ATLAS detector / Dafinca, A (Oxford U.) ; Tommaso, Lari (INFN, Milan)
We report on a search for pair production of the scalar partners of bottom and top quarks in 20.1 fb^-1 of pp collisions at a centre-of-mass energy of 8 TeV using the ATLAS experiment at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2013-266. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3742.
Recent ATLAS results on flow measurements in lead-lead and proton-lead collisions / Trzupek, A (Cracow, INP)
Recent measurements from the ATLAS experiment of the azimuthal anisotropy of charged hadron production in the relativistic p+Pb and Pb+Pb collisions at the Large Hadron Collider (LHC) are presented. [...]
ATL-PHYS-PROC-2013-267. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3743.
Operational Performance and Status of the ATLAS Pixel Detector at the LHC / Jentzsch, J (CERN)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experi- ment at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2013-011. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3744.
Tracking for the ATLAS level 1 trigger for the high luminosity LHC / Sutton, M R (Sussex U.)
At the HL-LHC, the increased luminosity will result in up to 200 pile-up interactions per bunch crossing. [...]
ATL-DAQ-PROC-2013-020. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3745.
Design and Performance of the Virtualization Platform for Offline computing on the ATLAS TDAQ Farm / Ballestrero, S (Johannesburg U.) ; Batraneanu, S M (UC, Irvine) ; Brasolin, F (INFN, Bologna) ; Contescu, C (CERN ; Bucharest, Polytechnic Inst.) ; Di Girolamo, A (CERN) ; Lee, C J (Johannesburg U. ; CERN) ; Pozo Astigarraga, M E (CERN) ; Scannicchio, D A (UC, Irvine) ; Twomey, M S (Washington State U.) ; Zaytsev, A (Brookhaeven Natl. Lab.)
With the LHC collider at CERN currently going through the period of Long Shutdown 1 (LS1) there is a remarkable opportunity to use the computing resources of the large trigger farms of the experiments for other data processing activities. [...]
ATL-DAQ-PROC-2013-021. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3746.
Study of Higgs boson production in the WW decay channel at the LHC / Lenz, T (NIKHEF, Amsterdam)
These proceedings review recent results on the Higgs boson properties measured in the H --> WW decay channel by the ATLAS and CMS collaborations at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2013-268. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3747.
The ATLAS Muon Trigger Performance in pp collisions at sqrt(s) = 8 TeV / Kurashige, H (Kobe U.) ; Kishimoto, T (Kobe U.)
Muons in the final state are key signatures for physics analyses at Large Hadron Collider (LHC) on various processes, such as discovery of the Higgs boson, searches for new phenomena, as well as the measurements of Standard Model processes. [...]
ATL-DAQ-PROC-2013-022. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3748.
Prospects for measurements of tensor structure of the $HZZ$ vertex in $H\to ZZ^* \to 4l$ decay with ATLAS detector
Presented in this note are the prospects for experimental studies of the general $HVV$ tensor coupling using the $H \to ZZ^* \to 4l$ decay. [...]
ATL-PHYS-PUB-2013-013. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3749.
Projections for measurements of Higgs boson cross sections, branching ratios and coupling parameters with the ATLAS detector at a HL-LHC
Studies are presented on the prospects for measuring Higgs boson production cross sections times branching ratios, and determining couplings to individual fermions and bosons in 14 TeV proton-proton collisions at the LHC with 300 fb$^{-1}$ and at the HL-LHC with 3000 fb$^{-1}$. [...]
ATL-PHYS-PUB-2013-014. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3750.
Sensitivity to New Phenomena via Higgs Couplings with the ATLAS Detector at a High-Luminosity LHC
The ATLAS experiment at the LHC determines the couplings of the Higgs boson to other particles using the combination of measurements from multiple production and decay channels. [...]
ATL-PHYS-PUB-2013-015. - 2013. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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3751.
Beyond Standard Model Higgs boson searches at a High-Luminosity LHC with ATLAS
The ATLAS experiment at the LHC is in an excellent position to study possible extensions of the Higgs sector of the Standard Model. [...]
ATL-PHYS-PUB-2013-016. - 2013. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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3752.
Upgrade of the Trigger Readout System of the ATLAS Liquid Argon Calorimeters / Marino, CP (Victoria U.)
The ATLAS detector was designed and built to study proton-proton collisions produced at the LHC at centre-of-mass energies up to 14 TeV and instantaneous luminosities up to $10^{34} \rm{cm}^{-2} \rm{s}^{-1}$. [...]
ATL-LARG-PROC-2013-009. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3753.
PHASE-II PLANS FOR ATLAS LIQUID ARGON CALORIMETER UPGRADES. / Orr, RS (Weizmann Inst.)
The ATLAS detector was designed and built to study proton-proton collisions produced at the LHC at centre-of-mass energies up to 14 TeV and instantaneous luminosities up to 1034cm-2s-1 [...]
ATL-LARG-PROC-2013-010. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3754.
Search for Scalar Top Quarks in the final states with two charm jets and missing transverse momentum at √s = 8 TeV / Caminal, R (Barcelona, IFAE)
Searches for direct scalar top production in the decay channel ̃ t ! c + ̃ c 0 1 using 20 : 3 fb
ATL-PHYS-PROC-2013-269. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3755.
A Multi-Core FPGA-based 2D-Clustering Algorithm for High-Throughput Data Intensive Applications / Sotiropoulou, C-L (Thessaloniki U.) ; Annovi, A (INFN, Frascati) ; Beretta, M (INFN, Frascati) ; Giannetti, P (INFN, Pisa) ; Luciano, P (Pisa U.) ; Nikolaidis, S (Thessaloniki U.) ; Volpi, G (INFN, Frascati)
A multi-core FPGA-based clustering algorithm for high-throughput data intensive applications is presented. [...]
ATL-DAQ-PROC-2013-023. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3756.
Search for the Higgs boson in the VH(bb) channel using the ATLAS detector / Lopez Mateos, David (Harvard U.)
A search for the $b\bar{b}$ decay of the Standard Model Higgs boson is performed with the ATLAS experiment using the full dataset recorded at the LHC in Run 1. [...]
ATL-PHYS-PROC-2013-270. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3757.
The ATLAS Distributed Analysis System / Legger, F (Munich U.)
In the LHC operations era, analysis of the multi-petabyte ATLAS data sample by globally distributed physicists is a challenging task. [...]
ATL-SOFT-PROC-2013-024. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3758.
In-situ probe of the response of the Tile Calorimeter to isolated hadrons / Jennens, D (Melbourne U.)
The Tile calorimeter is the hadronic central barrel of the calorimeter system of the ATLAS experiment for the LHC at CERN. [...]
ATL-TILECAL-PROC-2013-014. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3759.
Next Generation PanDA Pilot for ATLAS and Other Experiments / Nilsson, P (Texas U., Arlington) ; Barreiro Megino, F (CERN) ; Caballero Bejar, J (Brookhaven Natl. Lab.) ; De, K (Texas U., Arlington) ; Hover, J (Brookhaven Natl. Lab.) ; Love, P (Lancaster U.) ; Maeno, T (Brookhaven Nat) ; Medrano Llamas, R (CERN) ; Walker, R (Munich U.) ; Wenaus, T (Brookhaven Natl. Lab.)
The Production and Distributed Analysis system (PanDA) has been in use in the ATLAS Experiment since 2005. [...]
ATL-SOFT-PROC-2013-025. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3760.
Evolution of the ATLAS Distributed Computing system during the LHC Long shutdown / Campana, S (CERN)
The ATLAS Distributed Computing project (ADC) was established in 2007 to develop and operate a framework, following the ATLAS computing model, to enable data storage, processing and bookkeeping on top of the WLCG distributed infrastructure. [...]
ATL-SOFT-PROC-2013-026. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3761.
Grid Site Testing for ATLAS with HammerCloud / Elmsheuser, J (Munich U.) ; Hoenig, F (Munich U.) ; Legger, F (Munich U.) ; Medrano LLamas, R (CERN) ; Sciacca, G (Bern U.) ; van der Ster, D (CERN)
With the exponential growth of LHC (Large Hadron Collider) data in 2012, distributed computing has become the established way to analyze collider data. [...]
ATL-SOFT-PROC-2013-027. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3762.
Recent Electroweak Measurements at the LHC / Yuan, L (Kobe U.)
Many electroweak measurements have been performed at ATLAS and CMS experiments based on the data recorded at Run 1 phase of the LHC. [...]
ATL-PHYS-PROC-2013-271. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3763.
A Tool for Conditions Tag Management in ATLAS / Sharmazanashvili, A (Georgian CADCAM, Tbilisi) ; Batiashvili, G ; Gvaberidze, G ; Schekriladze, V ; Formica, A (IRFU, Saclay)
ATLAS Conditions data include about 2 TB in a relational database and 400 GB of files referenced from the database. [...]
ATL-SOFT-PROC-2013-028. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3764.
Status of the Atlas Liquid Argon Calorimeter and its Performance after Three Years of LHC Operation / Lampl, W (Arizona U.)
The ATLAS experiment is designed to study the proton-proton collisions pro- duced at the Large Hadron Collider(LHC) at CERN. [...]
ATL-LARG-PROC-2013-011. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3765.
Searches for direct pair production of third generation squarks with the ATLAS detector / Lari, T (INFN, Milan)
Naturalness arguments for weak-scale supersymmetry favour supersymmetric partners of the third generation quarks with masses not too far from those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2013-272. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3766.
Measurement of differential cross sections in top pair production in pp collisions with the ATLAS detector / Garberson, F (Yale U.)
Measurements of the differential spectra of ttbar pairs in sqrt s = 7 TeV collisions at the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2013-273. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3767.
Status and Performance of the ATLAS Pixel Detector after 3 Years of Operation / Heim, Timon (CERN ; Wuppertal U.)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2013-012. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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3768.
Inclusive Top Quark Pair Production at 7 and 8 TeV with the ATLAS Experiment / Henrichs, A (Yale U.)
Measurements of the top quark production cross sections in proton-proton collisions with the ATLAS detector at the Large Hadron Collider are presented for data taken at sqrt s = 7 TeV and sqrt s = 8 TeV. [...]
ATL-PHYS-PROC-2013-274. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3769.
Using Puppet to contextualize computing resources for ATLAS analysis on Google Compute Engine / Öhman, H (Uppsala U.) ; Panitkin, S (Brookhaven Natl. Lab.) ; Hendrix, V (LBL, Berkley)
With the advent of commercial as well as institutional and national clouds, new opportunities for on-demand computing resources for the HEP community become available. [...]
ATL-SOFT-PROC-2013-029. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3770.
Properties of the jet production in pp collisions measured with the ATLAS detector / Solodkov, A (Serpukhov, IHEP) ; Myagkov , A (Serpukhov, IHEP)
Several aspects of the jet production have been investigated by the ATLAS collaboration in pp\ncollisions at 7 TeV. [...]
ATL-PHYS-PROC-2013-275. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3771.
Top physics at the LHC / Helsens, C (CERN)
This review summarizes the highlights in the area of top quark physics obtained with the two general purpose detectors ATLAS and CMS during the first three years of the Large Hadron Collider LHC. [...]
ATL-PHYS-PROC-2013-276. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3772.
DARK MATTER SEARCH AT LHC / Kanaya, N (Tokyo U., RESCEU)
The existence of significant amount of dark matter in the Universe is one of strongest motivations to expect new physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2013-277. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3773.
Simulation of Pile-up in the ATLAS Experiment / Marshall, Z (LBL, Berkeley)
The high luminosity of the LHC results in a significant background to interesting physics events known as pile-up. [...]
ATL-SOFT-PROC-2013-030. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3774.
AGIS: The ATLAS Grid Information System / Anisenkov, A (Novosibirsk, IYF) ; Di Girolamo, A (CERN) ; Klimentov, A (Brookhaven Natl. Lab.) ; Oleynik, D (JINR, Dubna) ; Petrosyan, A (JINR, Dubna)
In this paper we describe ATLAS Grid Information System (AGIS), the system designed to integrate configuration and status information about resources, services and topology of the computing infrastructure used by ATLAS Distributed Computing applications and services..
ATL-SOFT-PROC-2013-031. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3775.
The ATLAS Detector: Performance Results / Riu, Imma (Barcelona, IFAE) ; Martinez, Mario (Barcelona, IFAE)
The ATLAS experiment is designed to study the proton-proton collisions produced at the Large Hadron Collider at CERN. [...]
ATL-GEN-PROC-2013-003. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - POS
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3776.
Concepts for fast large scale Monte Carlo production for the ATLAS experiment / Debenedetti, C (Edinburgh U.)
The huge success of Run 1 of the LHC would not have been possible without detailed detector simulation of the experiments. [...]
ATL-SOFT-PROC-2013-032. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3777.
The associative memory system for the FTK processor at ATLAS / Magalotti, D (Modena U.) ; Citraro, S (Pisa U.) ; Donati, S (Pisa U.) ; Luciano, P (Pisa U.) ; Piendibene, M (Pisa U.) ; Giannetti, P (INFN, Pisa) ; Lanza, A (INFN, Pavia ; Pavia U.) ; Verzellesi, G (U. Modena (main)) ; Sakellariou, Andreas (IASA, Athens) ; Billereau, W (CERN) et al.
In high energy physics experiments, the most interesting processes are very rare and hidden in an extremely large level of background. [...]
ATL-DAQ-PROC-2013-024. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3778.
Upgrades to the ATLAS Level-1 Calorimeter Trigger / Plucinski, P (Stockholm U.) ; Simioni, E (Mainz U., Inst. Phys.) ; Qian, W (Rutherford)
ABSTRACT: 2015 the Large Hadron Collider will run with increased center-of-mass energy and luminosity. [...]
ATL-DAQ-PROC-2013-025. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3779.
ATLAS Experience with HEP Software at the Argonne Leadership Computing Facility / LeCompte, T (Argonne) ; Uram, T (Argonne) ; Benjamin, D (Duke U.)
A number of HEP software packages used by the ATLAS experiment, including GEANT4, ROOT and ALPGEN, have been adapted to run on the IBM Blue Gene supercomputers at the Argonne Leadership Computing Facility. [...]
ATL-SOFT-PROC-2013-033. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3780.
Measurement of the Properties of the Higgs Boson at ATLAS / Martin, V J (Edinburgh U.) ; Bristow, T M (Edinburgh U.)
An update on the Higgs boson search in the decay channels $H \rightarrow\gamma\gamma, H \rightarrow ZZ^{(∗)} \rightarrow 4\ell, H \rightarrow WW^{(∗)} \rightarrow \ell\nu\ell\nu, H \rightarrow\tau^+\tau^-$ and $H \rightarrow b \bar b$ at the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2013-278. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3781.
ATLAS Cloud R&D / Panitkin, S (Brookhaven Natl. Lab.) ; Barreiro Megino, F (CERN) ; Caballero Bejar, J (Brookhaven Natl. Lab.) ; Benjamin, D (Duke U.) ; DiGirolamo, A (CERN) ; Gable, I (Victoria U.) ; Hendrix, V (LBL, Berkeley) ; Hover, J (Brookhaven Natl. Lab.) ; Kucharczuk, K (CERN) ; Medrano LLamas, R (CERN) et al.
The computing model of the ATLAS experiment was designed around the concept of grid computing and, since the start of data taking, this model has proven very successful. [...]
ATL-SOFT-PROC-2013-034. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3782.
Measurement of jets in ttbar events with ATLAS / Grahn, KJ (DESY)
The jet multiplicity is measured with the ATLAS detector in semi-leptonic ttbar events in proton–\nproton collisions at a center-of-mass energy of 7 TeV. [...]
ATL-PHYS-PROC-2013-279. - 2013. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3783.
Computing challenges in the certification of ATLAS Tile Calorimeter front-end electronics during maintenance periods / Solans, C (CERN) ; Carrio, F (Valencia U., IFIC) ; Kim, H Y (Texas U., Arlington) ; Moreno, P (U. Witwatersrand, Johannesburg, Sch. Phys.) ; Reed, R (U. Witwatersrand, Johannesburg, Sch. Phys.) ; Sandrock, C (U. Witwatersrand, Johannesburg, Sch. Phys.) ; Ruan, X (U. Witwatersrand, Johannesburg, Sch. Phys.) ; Shalyugin, A (Dubna, JINR) ; Schettino, V (Juiz de Fora U.) ; Souza, J (Juiz de Fora U.) et al.
After two years of operation of the LHC, the ATLAS Tile calorimeter is undergoing the consolidation process of its front-end electronics. [...]
ATL-TILECAL-PROC-2013-015. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3784.
Studies of jet shapes and jet substructure in proton-proton collisions at $\sqrt{s}=7$ TeV with ATLAS / Loch, P (Arizona U.)
Jet substructure reconstruction techniques are applied in the context of the reconstruction of heavy boosted particles, with a particular emphasis on searches for new physics, and in other analyses sensitive to the origin of the jets. [...]
ATL-PHYS-PROC-2013-280. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3785.
Automating usability of ATLAS Distributed Computing resources / Tupputi, S A (INFN, CNAF) ; Di Girolamo, A (CERN) ; Kouba, T (Prague, Inst. Phys.) ; Schovancova, J (Brookhaven Natl. Lab)
The automation of ATLAS Distributed Computing (ADC) operations is essential to reduce\nmanpower costs and allow performance-enhancing actions, which improve the reliability of\nthe system. [...]
ATL-SOFT-PROC-2013-035. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3786.
ATLAS High-Level Trigger performance for calorimeter-based algorithms in LHC Run-I / Mann, A (Munich U.)
During Run-I of the Large Hadron Collider at CERN the ATLAS detector recorded more than 26 fb$^{-1}$ of proton-proton collision events. [...]
ATL-DAQ-PROC-2013-026. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3787.
PROOF-based analysis on the ATLAS Grid facilities: first experience with the PoD/PanDa plugin / Vilucchi, E (INFN, Frascati) ; De Salvo, A (INFN, Rome) ; Di Donato, C (INFN, Naples) ; Di Nardo, R (INFN, Frascati) ; Doria, A (INFN, Naples) ; Ganis, G (CERN) ; Manafov, A (Darmstadt, GSI) ; Mancini, G (INFN, Frascati) ; Mazza, S (INFN, Milan) ; Preltz, F (INFN, Milan) et al.
In the ATLAS computing model Grid resources are managed by the PanDA system, a data-driven workload management system designed for production and distributed analysis. [...]
ATL-SOFT-PROC-2013-036. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3788.
Dashboard Task Monitor for managing ATLAS user analysis on the Grid / Sargsyan, L. (NAS Armenia, Yerevan) ; Andreeva, J. (CERN) ; Jha, M. (Purdue U.) ; Karavakis, E. (CERN) ; Kokoszkiewicz, L. (Unlisted, PL) ; Saiz, P. (CERN) ; Schovancova, J. (Brookhaven Natl. Lab.) ; Tuckett, D. (CERN)
The organization of the distributed user analysis on the Worldwide LHC Computing Grid (WLCG) infrastructure is one of the most challenging tasks among the computing activities at the Large Hadron Collider. [...]
arXiv:1906.05646. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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3789.
Study of Higgs production in fermionic decay channels at ATLASG" / Gaycken, G (Bonn U.)
In 2012 a new boson was observed. [...]
ATL-PHYS-PROC-2013-281. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3790.
Measurement of intrinsic top quark properties with the ATLAS detector / Masetti, L (Mainz U.)
Several measurements of intrinsic top quark properties performed with the ATLAS detector are\npresented: mass, charge, polarisation of the top quark and of the W boson originating from its\ndecay in order to test the structure of the Wtb vertex, as well as a search for top quark decays\nvia flavour changing neutral currents. [...]
ATL-PHYS-PROC-2013-282. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3791.
Simulation of the ATLAS SCT barrel module response to LHC beam loss scenarios / Rose, P (UC, Santa Cruz, Inst. Part. Phys.) ; Grillo, A A (UC, Santa Cruz, Inst. Part. Phys.) ; Fadeyev, V (UC, Santa Cruz, Inst. Part. Phys.) ; Spencer, E (UC, Santa Cruz, Inst. Part. Phys.) ; Wilder, M (UC, Santa Cruz, Inst. Part. Phys.) ; Domingo, M (UC, Santa Cruz, Inst. Part. Phys.)
In the event of beam loss at the LHC, ATLAS Inner Detector components nearest the beam line may be subjected to unusually large amounts of radiation. [...]
ATL-INDET-PROC-2013-013. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3792.
Latest results on b-physics from the ATLAS and CMS experiments / Pasqualucci, E (INFN, Rome)
This paper briefly reviews some of the latest measurements of the ATLAS and CMS experiments at LHC in the b-physics sector, namely the ones on rare and semi-rare B0(s) decays, the parity violation in the b decay and the CP violation parameters in the Bs --> J/psi (μ+μ−)phi(K+K−) process, some of the measurements on heavy quarkonia systems..
ATL-PHYS-PROC-2013-283. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3793.
Using Solid State Disk Array as a Cache for LHC ATLAS Data Analysis / Yang, W (SLAC) ; Hanushevsky, A (SLAC) ; Mount, R (SLAC)
User data analysis in high energy physics presents a challenge to spinning-disk based storage systems. [...]
ATL-SOFT-PROC-2013-038. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3794.
Data Federation Strategies for ATLAS using XRootD / Gardner, R (Chicago U.) ; Campana, S (CERN) ; Duckeck, G (Munich U.) ; Elmsheuser, J (Munich U.) ; Hanushevski, A (SLAC) ; Hönig, F (Munich U.) ; Iven, J (CERN) ; Legger, F (Munich U.) ; Vukotic, I (Chicago U.) ; Yang, W (SLAC)
In the past year the ATLAS Collaboration accelerated its program to federate data storage resources using an architecture based on XRootD with its attendant redirection and storage integration services. [...]
ATL-SOFT-PROC-2013-039. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3795.
The ATLAS Hadronic Tau Trigger / Mahlstedt, J (NIKHEF, Amsterdam)
During the 2012 run the Large Hadron Collider (LHC) reached instantaneous luminosities of nearly $10^{34}\,cm^{-2}s^{-1}$, with bunch crossings occuring every 50 ns. [...]
ATL-DAQ-PROC-2013-027. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3796.
A new Scheme for ATLAS Trigger Simulation using Legacy Code / Galster, G (Bohr Inst.) ; Stelzer, J (Michigan State U.) ; Wiedenmann, W (Wisconsin U., Madison)
An accurate simulation of the trigger response is necessary for high quality data analyses. [...]
ATL-DAQ-PROC-2013-028. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3797.
ATLAS Offline Software Performance Monitoring and Optimization / for the ATLAS collaboration
In a complex multi-developer, multi-package software environment, such as the ATLAS offline Athena framework, tracking the performance of the code can be a non-trivial task in itself. [...]
ATL-SOFT-PROC-2013-040. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3798.
Single Event Upset Studies Using the ATLAS SCT / Dafinca, A (Oxford U.) ; Henderson, J (Oxford U.) ; Weidberg, A R (Oxford U.)
Single Event Upsets (SEU) are expected to occur during high luminosity running of the ATLAS SemiConductor Tracker (SCT) [...]
ATL-INDET-PROC-2013-014. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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3799.
Experience with Intel's Many Integrated Core Architecture in ATLAS Software / Fleischmann, S (Wuppertal U.) ; Kama, S (Southern Methodist U.) ; Lavrijsen, W (LBL, Berkeley) ; Neumann, M (Wuppertal U.) ; Vitillo, R (LBL, Berkeley)
Intel recently released the first commercial boards of its Many Integrated Core (MIC) Architecture. [...]
ATL-SOFT-PROC-2013-041. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3800.
Study of Higgs Production in Bosonic Decay Channels at ATLAS / Hsu, P J (Mainz U., Inst. Phys.)
This proceeding summarizes the results of searching for the Standard Model (SM) Higgs Boson in bosonic decay channels with the ATLAS detector at the Large Hadron Collider (LHC), using the full data collected at center of mass energy of 7 and 8 TeV..
ATL-PHYS-PROC-2013-284. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3801.
New ATLAS results in SUSY searches for 3rd generation squarks and electroweak production / David, C (Victoria U.)
Naturalness arguments for weak-scale supersymmetry favour supersymmetric partners of the third generation quarks with masses close to those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2013-285. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3802.
Performance and operation experience of the ATLAS SemiConductor Tracker / Robichaud Veronneau, A (Oxford U.)
After more than 3 years of successful operation at the LHC, we report on the operation and performance of the SemiConductor Tracker (SCT) functioning in a high luminosity, high radiation environment. [...]
ATL-INDET-PROC-2013-015. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3803.
The Evolution of the Trigger and Data Acquisition System in the ATLAS Experiment / Garelli, N (SLAC)
The ATLAS experiment, aimed at recording the results of LHC proton-proton collisions, is upgrading its Trigger and Data Acquisition (TDAQ) system during the current LHC first long shutdown. [...]
ATL-DAQ-PROC-2013-029. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3804.
The design and performance of the ATLAS jet trigger / Shimizu, S (Kobe U.)
The ATLAS jet trigger is an important element of the event selection process, providing data samples for studies of Standard Model physics and searches for new physics at the LHC. [...]
ATL-DAQ-PROC-2013-030. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3805.
Top Quark Pair Properties - Spin Correlation, Charge Asymmetry, and Complex Final States - at ATLAS / Brost, E (Oregon U.)
We present measurements of top quark pair properties performed with the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a center-of-mass energy of $\sqrt{s}$ = 7 TeV. [...]
ATL-PHYS-PROC-2013-286. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3806.
Utility of collecting metadata to manage a large scale conditions database in ATLAS / Gallas, EJ (Oxford U.) ; Albrand, S (LPSC, Grenoble) ; Borodin, M (Moscow Phys. Eng. Inst.) ; Formica, A (IRFU, Saclay)
The ATLAS Conditions Database, based on the LCG Conditions Database infrastructure, contains a wide variety of information needed in online data taking and offline analysis. [...]
ATL-SOFT-PROC-2013-042. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3807.
Performance and development plans for the Inner Detector trigger algorithms at ATLAS / Martin-Haugh, S (Rutherford)
We present a description of the algorithms and the performance of the ATLAS Inner Detector trigger for LHC Run 1, as well as prospects for a redesign of the tracking algorithms in Run 2. [...]
ATL-DAQ-PROC-2013-031. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3808.
Real-time $b$-jet identification in ATLAS / Buzatu, A (Glasgow U.)
There are interesting physics processes studied at the ATLAS detector at the LHC, whose signatures contain jets originating from quarks (at least one of which originates from a bottom quark), but no charged lepton: top quark pair production where both quarks decay hadronically, Higgs boson produced in vector boson fusion and decaying to a bottom quark pair, or supersymmetric signatures with no charged lepton. [...]
ATL-DAQ-PROC-2013-032. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3809.
ATLAS Distributed Computing Operation Shift Teams experience during the discovery year and beginning of the Long Shutdown 1 / Sedov, A (Barcelona, IFAE) ; Di Girolamo, A (CERN) ; Negri, G (CERN) ; Sakamoto, H (Tokyo U., ICEPP) ; Schovancová, J (Brookhaven Natl. Lab.) ; Smirnov, Y (Brookhaven Natl. Lab.) ; Vartapetian, A (Texas U., Arlington) ; Yu, J (Texas U., Arlington)
ATLAS Distributed Computing Operation Shifts were evolved to meet new requirements. [...]
ATL-SOFT-PROC-2013-043. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3810.
Task Management in the New ATLAS Production System / De, K (Texas U., Arlington) ; Golubkov, D (Serpukhov, IHEP) ; Klimentov, A (Brookhaven Natl. Lab.) ; Potekhin, M (Brookhaven Natl. Lab.) ; Vaniachine, A (Argonne)
The ATLAS Production System is the top level workflow manager which translates physicists' needs for production level processing into actual workflows executed across about a hundred processing sites used globally by ATLAS. [...]
ATL-SOFT-PROC-2013-044. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3811.
Performance and Development of the ATLAS Inner Detector Trigger / Grout, Z J (Sussex U.)
The performance of the ATLAS Inner Detector (ID) trigger algo- rithms running online on the high level trigger (HLT) processor farm during LHC Run 1 are presented. [...]
ATL-DAQ-PROC-2013-033. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3812.
FPGA-based 10-Gbit Ethernet Data Acquisition Interface for the Upgraded Electronics of the ATLAS Liquid Argon Calorimeters / Grohs, J P (Dresden, Tech. U.)
A stepwise upgrade of the LHC is foreseen starting now until the year 2023 to increase the instantaneous luminosity up to the fivefold of its design value. [...]
ATL-LARG-PROC-2013-012. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3813.
Tile-in-ONE\nAn integrated framework for the data quality assessment and database management for the ATLAS Tile Calorimeter / Cunha, R (Rio de Janeiro Federal U.) ; Solans, C (CERN) ; Sivolella, A (Rio de Janeiro Federal U.) ; Ferreira, F (Rio de Janeiro Federal U.) ; Maidantchik, C (Rio de Janeiro Federal U.)
In order to ensure the proper operation of the ATLAS Tile Calorimeter and assess the\nquality of data, many tasks are performed by means of several tools which have been developed\nindependently. [...]
ATL-TILECAL-PROC-2013-016. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3814.
Challenges of the ATLAS Monte Carlo production during run 1 and beyond / Chapman, J (Cambridge U.) ; Ehrenfeld, W (Bonn U.) ; Garcia Navarro, J~E (Valencia U.) ; Gwenlan, C (Oxford U.) ; Mehlhase, S (Copenhague U.) ; Tsulaia, V (LBL, Berkeley) ; Zhong, J (Oxford U.)
In this paper we will review the ATLAS Monte Carlo production setup including the different production steps involved in full and fast detector simulation. [...]
ATL-SOFT-PROC-2013-045. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3815.
Performance of the ATLAS muon trigger in p-p collisions at $\sqrt{s}=8$ TeV / Woudstra, MJ (Manchester U.)
Given the harsh detector environment produced by collisions of high energy protons at the LHC, events with muons in the final state are an important signature for many physics analyses. [...]
ATL-DAQ-PROC-2013-034. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3816.
Searches for physics beyond the Standard Model with the ATLAS detector / Solovyev, V (St. Petersburg, INP) /on behalf of the ATLAS collaboration
Searches for physics beyond the Standard Model with the ATLAS detector at the LHC are presented. The focus is on the most recent results obtained with the data collected during 2012 data taking at $\sqrt{s}$ = 8 TeV center-of-mass energy. [...]
ATL-PHYS-PROC-2013-287.- Geneva : CERN, 2013 - 5 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 23rd Conference on New Trends in High-Energy Physics, Alushta, Ukraine, 23 - 29 Sep 2013, pp.117-121
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3817.
Search for anomalous electroweak gauge boson self-interactions with ATLAS at the LHC / Anger, P (TU, Dresden) ; Anger, P (TU, Dresden) ; Vest, A (TU, Dresden)
The ATLAS collaboration has set limits on anomalous contributions to electroweak triple gauge boson couplings based on data produced at the LHC with both sqrt(s) = 7 TeV and sqrt(s) = 8 TeV. [...]
ATL-PHYS-PROC-2013-288. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3818.
Hardware and firmware developments for the upgrade of the ATLAS Level-1 Central Trigger Processor / for the ATLAS collaboration
The Central Trigger Processor (CTP) is the final stage of the ATLAS first level trigger system which reduces the collision rate of 40 MHz to a Level-1 event rate of 100 kHz. [...]
ATL-DAQ-PROC-2013-035. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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3819.
Performance of the ATLAS Minimum Bias and Forward Detector Triggers in pPb collisions
This note describes the performance of the ATLAS minimum bias and forward detector triggers during the 2013 LHC Heavy Ion run ({\em p+Pb} collisions with $\sqrt{s_{NN}}=5.02$ TeV). [...]
ATLAS-CONF-2013-104. - 2013. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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3820.
Measurement of the centrality-dependence of inclusive jet production in $p$+Pb data at $\sqrt{s_\mathrm{NN}} = 5.02$ TeV with the ATLAS detector
ATLAS has measured the centrality dependence of jet production in $\sqrt{s_\mathrm{NN}} = 5.02$ TeV $p$+Pb collisions at the LHC. [...]
ATLAS-CONF-2013-105. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3821.
Measurement of the $W\rightarrow\mu\nu$ charge asymmetry and centrality dependence in Pb+Pb collisions at $\sqrt{s_{NN}} = 2.76 ~TeV$ with the ATLAS detector
A study of $W$ production via the muon decay channel in lead-lead collisions at $\sqrt{s_{NN}} = 2.76 ~TeV$ is presented using data corresponding to an integrated luminosity of 0.14 $nb^{-1}$ collected with the ATLAS detector at the Large Hadron Collider in 2011. [...]
ATLAS-CONF-2013-106. - 2013. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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3822.
Measurements of the Higgs boson properties with the ATLAS detector / Tomoto, M (Nagoya U.) /on behalf of the ATLAS collaboration
The measurements of the properties of a new boson discovered by the ATLAS experiment at the LHC are presented, based on proton-proton collision data collected in 2011 and 2012. The production strengths and the couplings are measured using decays of the new boson into $\gamma \gamma$, $ZZ^{*} \rightarrow 4 \ell$, and $WW^{*} \rightarrow \ell\nu\ell\nu$. [...]
ATL-PHYS-PROC-2013-289.- Geneva : CERN, 2013 - 5 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 23rd Conference on New Trends in High-Energy Physics, Alushta, Ukraine, 23 - 29 Sep 2013, pp.138-142
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3823.
Transverse momentum, rapidity, and centrality dependence of Charged Particle Production in $p$+Pb $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV collisions measured by ATLAS experiment at the LHC
ATLAS has measured transverse momentum ($p_{\mathrm{T}}$) and pseudorapidity ($\eta$) distributions of charged particles produced in $\sqrt{s_{\mathrm{NN}}}=5.02$ GeV $p$+Pb collisions. [...]
ATLAS-CONF-2013-107. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3824.
Search for electroweak supersymmetric particle production in final states with two leptons and missing transverse momentum with the ATLAS detector / Dietrich, Janet (DESY)
Searches for the production of electroweak supersymmetric particles decaying into final states with exactly two isolated, oppositely-charged leptons (electrons, muons), no reconstructed jets and missing transverse momentum are performed using 20.3 fb−1 of 2012 proton-proton collision data at √s = 8 TeV recorded with the general purpose detector ATLAS at the Large Hadron Collider. [...]
arXiv:1403.7893 ; ATL-PHYS-PROC-2013-290. - 2014. - 3 p.
Proceedings of Science Server - Full text - Full text - Fulltext
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3825.
Standard Model Measurements at ATLAS / Hofmann, J I (Kirchhoff Inst. Phys.)
The Standard Model of particle physics yields a successful description of the fundamental particles and their interactions. [...]
ATL-PHYS-PROC-2013-291. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3826.
The Higgs Hunt with ATLAS at LHC / Mikuž, Marko (Ljubljana U.)
The paper describes results on the Higgs boson measurements based on data collected with the ATLAS detector at the Large Hadron Collider in 2011 and 2012. [...]
ATL-PHYS-PROC-2013-292. - 2013. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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3827.
Searches for Higgs bosons and other new physics in scenarios beyond the standard model / Milstead, D (Stockholm U.) /On behalf of the ATLAS and CMS collaborations
Searches are presented for Higgs bosons in scenarios beyond the Standard Model by the ATLAS and CMS experiments at the Large Hadron Collider. Searches for other exotic phenomena are also shown..
ATL-PHYS-PROC-2013-293.- Geneva : CERN, 2013 - 10 p. - Published in : Acta Phys. Pol. B 44 (2013) 2101 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 37th International Conference of Theoretical Physics: Matter to the Deepest, Ustron, Poland, 1 - 6 Sep 2013, pp.2101
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3828.
Standard Model measurements with the ATLAS detector / Franchino, S (CERN) /on behalf of the ATLAS collaboration
An overview of the latest Standard Model results obtained with the ATLAS\nexperiment at LHC is presented. QCD and EW phenomena have been studied\nto perform accurate tests of perturbative QCD, to improve the understanding\nof the parton and gluon distribution functions and to better define properties\nof events that are background to new physic researches. [...]
ATL-PHYS-PROC-2013-294.- Geneva : CERN, 2013 - 5 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 23rd Conference on New Trends in High-Energy Physics, Alushta, Ukraine, 23 - 29 Sep 2013, pp.20-25
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3829.
The future of event-level information repositories, indexing, and selection in ATLAS / Barberis, D (Genoa U. ; INFN, Genoa) ; Cranshaw, J (Argonne) ; Dimitrov, G (CERN) ; Doherty, T (Glasgow U.) ; Gallas, E (Oxford U.) ; Hrivnac, J (Orsay, LAL) ; Malon, D (Argonne) ; Nairz, A (CERN) ; Nowak, M (Brookhaven Natl. Lab.) ; Quilty, D (Glasgow U.) et al.
ATLAS maintains a rich corpus of event-by-event information that provides a global view of virtually all of the billions of events the collaboration has seen or simulated, along with sufficient auxiliary information to navigate to and retrieve data for any event at any production processing stage. [...]
ATL-SOFT-PROC-2013-046. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3830.
High pT Probes in PbPb Collisions at ATLAS / Lobodzinska, E M (DESY)
Using the ATLAS detector several studies of the jet quenching effect in the hot, dense medium produced in the lead ions collisions at LHC were done [...]
ATL-PHYS-PROC-2013-295. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from Pos
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3831.
ATLAS results on soft diffraction / Monzani, S (Bologna U.)
The measurements about the total inelastic cross section and the differential inelastic cross section as a function of rapidity gap are presented. [...]
ATL-PHYS-PROC-2013-296. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3832.
Looking back on 10 years of the ATLAS Metadata Interface. Reflections on architecture, code design and development methods. / Fulachier, J (Joseph Fourier U.) ; Aidel, O (IN2P3/CNRS) ; Albrand, S (Joseph Fourier U.) ; Lambert, F (Joseph Fourier U.)
The “ATLAS Metadata Interface” framework (AMI) has been developed in the context of ATLAS, one of the largest scientific collaborations. [...]
ATL-SOFT-PROC-2013-047. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3833.
Searches for gluino-mediated production of third generation squarks with the ATLAS detector / Côté, D (Texas U., Arlington)
Four searches for gluino-mediated production of third generation squarks in proton-proton collisions at $\sqrt{s} = 8 TeV$ with the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2013-297. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3834.
Third generation superpartners: Results from ATLAS and CMS / Poveda, J. (Indiana U.)
These proceedings discuss results from recent searches for third generation SUSY particles by the ATLAS and CMS experiments at the LHC. [...]
arXiv:1402.6253 ; ATL-PHYS-PROC-2013-298. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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3835.
Searches for supersymmetry at the LHC / Ohm, C (CERN)
These proceedings summarize four recent searches for supersymmetry with the ATLAS and CMS detectors at the LHC, using the full 8 TeV data set from 2012, corresponding to approximately 20 fb$^{-1}$ per experiment. [...]
ATL-PHYS-PROC-2013-299. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3836.
Study of Higgs Boson leptonic decay modes / Bruckman de Renstrom, P (Cracow, INP)
After a short introduction, current experimental status of the Higgs searches in its leptonic decay modes is reviewed. [...]
ATL-PHYS-PROC-2013-300. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3837.
Design of a Hardware Track Finder (Fast Tracker) for the ATLAS Trigger / Annovi, A (Frascati) ; Beretta, M (Frascati) ; Bogdan, M (Chicago U.) ; Cipriani, R (Pisa U.) ; Citraro, S (Pisa U.) ; Faulkner, G (California State U.) ; Gatta, M (Frascati) ; Giannetti, P (INFN, Pisa) ; Lanza, A (INFN, Pavia) ; Luciano, P (Pisa U.) et al.
The ATLAS Fast TracKer is a custom electronics system that will operate at the full Level-1 accept rate, 100 kHz, to provide high quality tracks as input to the Level-2 trigger. [...]
ATL-DAQ-PROC-2013-036. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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3838.
Performance and operation experience of the Atlas Semiconductor Tracker / Liang, Zhijun (U. Oxford (main))
We report on the operation and performance of the ATLAS Semi-Conductor Tracker (SCT), which has been functioning for 3 years in the high luminosity, high radiation environment of the Large Hadron Collider at CERN. [...]
arXiv:1402.6506 ; ATL-INDET-PROC-2013-016. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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3839.
Performance and Operation Experience of the ATLAS Semiconductor Tracker / Gallop, B J (Rutherford)
We report on the operation and performance of the ATLAS Semi-Conductor Tracker (SCT), which has been functioning for 3 years in a high luminosity, high radiation environment. [...]
ATL-INDET-PROC-2013-017. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3840.
Searches for Physics Beyond Standard Model at LHC with ATLAS / Soni, N (Adelaide U., Sch. Chem. Phys. ; ARC, CoEPP, Melbourne) ; Jackson, P
This contribution summarises some of the recent results on the searches for physics beyond the Standard Model using the pp-collision data collected at Large Hadron Collider (LHC) with ATLAS detector at centre-of-mass energy of sqrt{s} = 8 TeV. [...]
ATL-PHYS-PROC-2013-301. - 2013. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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3841.
Design of an FPGA-based embedded system for the ATLAS Tile Calorimeter front-end electronics test-bench / for the ATLAS collaboration
The portable test-bench for the certification of the ATLAS tile hadronic calorimeter front-end electronics has been redesigned for the LHC Long Shutdown (LS1) improving its portability and expanding its functionalities [...]
ATL-TILECAL-PROC-2013-017. - 2014. - 11 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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3842.
Rucio - The next generation of large scale distributed system for ATLAS Data Management / Garonne, V (CERN) ; Barisits, M (CERN) ; Beermann, T (CERN) ; Goossens, L (CERN) ; Lassnig, M (CERN) ; Nairz, A (CERN) ; Stewart, GA (CERN) ; Vigne, V (CERN) ; Serfon, C (CERN)
Rucio is the next-generation Distributed Data Management(DDM) system benefiting from recent advances in cloud and ”Big Data” computing to address HEP experiments scaling requirements. [...]
ATL-SOFT-PROC-2013-048. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3843.
Top quark pair properties (spin correlations, charge asymmetry and complex final states) with the ATLAS detector / Mijovic, L (Saclay)
In proton-proton collisions at the Large Hadron Collider, pairs of top and antitop quarks are\nexpected to be mostly produced through gluon fusion, in contrast to production at the Tevatron,\nwhere quark annihilation dominates. [...]
ATL-PHYS-PROC-2013-302. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3844.
A Multi-Core FPGA-based Clustering Algorithm for Real-Time Image Processing / Sotiropoulou, Calliope-Louisa (Aristotle U., Thessaloniki) ; Annovi, A (INFN, Italy) ; Beretta, M (INFN, Italy) ; Luciano, P (U. Pisa (main)) ; Nikolaidis, S (Aristotle U., Thessaloniki) ; Volpi, G (INFN, Italy)
A multi-core FPGA-based 2D-clustering algorithm for real-time image processing is presented. [...]
ATL-DAQ-PROC-2013-037. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3845.
Measurement of the Top Quark Mass in Dileptonic Top Quark Pair Decays with $\sqrt{s} = 7$ TeV ATLAS Data / Maier, A A (Munich, Max Planck Inst.)
The top quark mass in dileptonic top quark pair decays is measured using $4.7~\mathrm{fb}^{-1}$ of proton-proton collision data recorded at the centre of mass energy $\sqrt{s}=7~\mathrm{TeV}$ by the ATLAS experiment at the LHC in 2011. [...]
ATL-PHYS-PROC-2013-303. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3846.
Design of a Portable Test Facility for the ATLAS Tile Calorimeter Front-End Electronics Verification / Kim, H Y (Texas U., Arlington) ; Akerstedt, H (Stockholm U.) ; Carrio, F (Valencia U., IFIC) ; Moreno, P (Witwatersrand U.) ; Masike, T (Witwatersrand U.) ; Reed, R (Witwatersrand U.) ; Sandrock, C (Witwatersrand U.) ; Schettino, V (Juiz de Fora U.) ; Shalyugin, A (Dubna, JINR) ; Solans, C (CERN) et al.
The stand-alone test-bench deployed in the past for the verification of the Tile Calorimeter (TileCal) front-end electronics is reaching the end of its life cycle. [...]
ATL-TILECAL-PROC-2013-018. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3847.
Upgrade Analog Readout and Digitizing System for ATLAS TileCal Demonstrator / Tang, F (Chicago U.) ; Anderson, K (Chicago U.) ; Akerstedt, H (Stockholm U.) ; Biot, A (Valencia U.) ; Bohm, C (Stockholm U.) ; Carrio, F (Valencia U.) ; Drake, G (Argonne) ; Hildebrand, K (Chicago U.) ; Muschter, S (Stockholm U.) ; Oreglia, M (Chicago U.) et al.
A potential upgrade for the front-end electronics and signal digitization and data acquisition system of the ATLAS hadron calorimeter for the high luminosity Large Hadron Collider (HL-LHC) is described. [...]
ATL-TILECAL-PROC-2013-019. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3848.
The Atlas Liquid Argon Calorimeter at the CERN Large Hadron Collider: General Performance and Latest Developments of the High Voltage System / Grassi, V (Stony Brook)
The ATLAS experiment is designed to study the proton-proton collisions produced at the Large Hadron Collider (LHC) at CERN. [...]
ATL-LARG-PROC-2013-013. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3849.
Performance of the ATLAS Zero Degree Calorimeter / Leite, M (Sao Paulo U.)
The ATLAS Zero Degree Calorimeter (ZDC) at the Large Hadron Collider (LHC) is a set of two sampling calorimeters modules symmetrically located at 140m from the ATLAS interaction point. [...]
ATL-FWD-PROC-2013-001. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3850.
Quality Assurance and Functionality Tests on Electrical Components during the ATLAS IBL Production / Bassalat, A (Orsay, LAL)
During the shutdown of 2013-2014, for the enhancement of the current ATLAS Pixel Detector, a fourth layer (Insertable B Layer, IBL) is being built and will be installed between the innermost layer and a new beam pipe. [...]
ATL-INDET-PROC-2013-018. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3851.
The ATLAS Semiconductor Tracker: operations and performance / Pani, P (NIKHEF, Amsterdam)
After more than 3 years of successful operation at 2 the LHC, we report on the operation and performance of the Semi-Conductor Tracker (SCT) functioning in a high luminosity, 4 high radiation environment. [...]
ATL-INDET-PROC-2013-019. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3852.
The ELisA Facility – RESTful API and Client Libraries / Corso-Radu, A (UC, Irvine) ; Magnoni, L (UC, Irvine) ; Murillo Garcia, R (UC, Irvine)
The ATLAS experiment at the LHC (CERN) comprises a large and geographically distributed community of over three thousand scientists from all over the world. [...]
ATL-DAQ-PROC-2013-038. - 2013. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3853.
The sROD Module for the ATLAS Tile Calorimeter Phase-II Upgrade Demonstrator / Carrio, F (Valencia U., IFIC) ; Castillo, V (Valencia U., IFIC) ; Ferrer, A (Valencia U., IFIC) ; Fiorini, L (Valencia U., IFIC) ; Hernandez, Y (Valencia U., IFIC) ; Higon, E (Valencia U., IFIC) ; Mellado, B (Witwatersrand U.) ; March, L (Valencia U., IFIC) ; Moreno, P (Witwatersrand U.) ; Reed, R (Witwatersrand U.) et al.
TileCal is the central hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider (LHC) at CERN. [...]
ATL-TILECAL-PROC-2013-020. - 2014. - 11 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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3854.
THE ATLAS TILE CALORIMETER PERFORMANCE AT LHC / Molander, S (Stockholm U.)
This paper gives an overview of the performance of the Tile Calorimeter in the ATLAS detector at the Large Hadron Collider. [...]
ATL-TILECAL-PROC-2013-021. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3855.
Upgrade of the ATLAS Level-1 trigger with an FPGA based Topological Processor / Caputo, R (Mainz U.) ; Bauss, B (Mainz U.) ; Buescher, V (Mainz U.) ; Degele, R (Mainz U.) ; Kiese, P (Mainz U.) ; Maldaner, S (Mainz U.) ; Reiss, A (Mainz U.) ; Schaefer, U (Mainz U.) ; Simioni, E (Mainz U.) ; Tapprogge, S (Mainz U.) et al.
The ATLAS experiment is located at the European Centre for Nuclear Research (CERN) in Switzerland. [...]
ATL-DAQ-PROC-2013-039. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3856.
Development of a digital readout board for the ATLAS Tile calorimeter upgrade demonstrator / Muschter, S (Stockholm U.)
During the shutdown of the ATLAS scintillating Tile calorimeter (TileCal) in 2013/14 one of its on-detector electronic modules will be replaced with a compatible hybrid demonstrator system. [...]
ATL-TILECAL-PROC-2013-022. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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3857.
Next generation associative memory devices for the FTK tracking processor of the ATLAS experiment / Beretta, M (Frascati) ; Annovi, A (Frascati) ; Stabile, A (INFN, Milan) ; Giannetti, P (INFN, Pisa)
The increased energy of the interaction in ATLAS experiment need to process a lot of data\nat a high rate to generate the second level trigger. [...]
ATL-DAQ-PROC-2013-040. - 2013. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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3858.
Irradiation tests and expected performance of readout electronics of the ATLAS Hadronic Endcap calorimeter for the HL-LHC / Ahmadov, F (Dubna, JINR)
The readout electronics of the ATLAS Hadronic Endcap Calorimeter (HEC) will have to withstand an about 3-5 times larger radiation environment at the future high-luminosity LHC (HL-LHC) compared to the LHC design values. [...]
ATL-LARG-PROC-2013-014. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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3859.
The Associative Memory Boards for the FTK Processor at ATLAS / Calabro', D (INFN, Pavia) ; Cipriani, R (Pisa U. ; INFN, Pisa) ; Citraro, S (INFN, Pisa ; Pisa U.) ; Donati, S (INFN, Pisa ; Pisa U.) ; Giannetti, P (INFN Pisa) ; Lanza, A (INFN, Pavia) ; Luciano, P (INFN, Pisa ; Pisa U.) ; Magalotti, D (Modena U. ; INFN, Perugia) ; Piendibena, M (INFN, Pisa ; Pisa U.)
The Associative Memory (AM) system, the main part of the FastTracker (FTK) processor, is designed to perform pattern matching using the information of the silicon tracking detectors of the ATLAS experiment. [...]
ATL-DAQ-PROC-2013-041. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3860.
Preliminary Study of Pulsed Powering / Hasib, A (Oklahoma U.) ; Boyd, R (Oklahoma U.) ; Gutierrez, P (Oklahoma U.)
The standard solution for powering the electronics of particle physics detectors is to supply direct current. [...]
ATL-INDET-PROC-2013-020. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3861.
ATLAS Trigger Menu and Performance in Run I and Prospects for Run II / Igonkina, O (NIKHEF, Amsterdam)
The ATLAS trigger system plays a key role in the collection of data for a wide range of physics analyses. [...]
ATL-DAQ-PROC-2013-042. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3862.
Example ATLAS tunes of Pythia8, Pythia6 and Powheg to an observable sensitive to $Z$ boson transverse momentum
New Pythia8, Pythia6, Powheg+Pythia8 and Powheg+Pythia6 tunes to an observable sensitive to $Z$ boson transverse momentum are presented. [...]
ATL-PHYS-PUB-2013-017. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3863.
Searches for fourth generation vector-like quarks with the ATLAS detector / Succurro, A (Barcelona, IFAE) ; Martinez, M (Barcelona, IFAE)
Various extensions of the Standard Model predict the existence of new quarks heavier than the top quark. [...]
ATL-PHYS-PROC-2013-304. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3864.
The TileCal Energy Reconstruction for Collision Data Using the Matched Filter / Peralva, B S M (Juiz de Fora U.) ; Filho, L M A (Juiz de Fora U.) ; Cerqueira, A S (Juiz de Fora U.) ; Seixas, J M (Juiz de Fora U.)
The Tile Barrel Calorimeter (TileCal) is the central section of the hadronic calorimeter of ATLAS at LHC. [...]
ATL-TILECAL-PROC-2013-023. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3865.
Searches for direct stop production in events with two leptons in sqrt(s) = 8 TeV pp collisions using 20 fb-1 of ATLAS data / Meloni, F (Milan U. ; INFN, Milan)
Three searches for direct top squark pair production, targeting di erent decay modes yielding two leptons (electrons or muons) in the final state, are presented. [...]
ATL-PHYS-PROC-2013-305. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - EDP Sciences Open Access article
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3866.
The ATLAS Data Management Software Engineering Process / Lassnig, M (CERN) ; Garonne, V (CERN) ; Stewart, G A (CERN) ; Barisits, M (CERN) ; Beermann, T (Wuppertal U.) ; Vigne, R (Vienna U.) ; Serfon, C (CERN) ; Goossens, L (CERN) ; Nairz, A (CERN) ; Molfetas, A (Melbourne U.)
Rucio is the next-generation data management system of the ATLAS experiment. [...]
ATL-SOFT-PROC-2013-049. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3867.
V+jets Background and Systematic Uncertainties in Top Quark Analyses / Adomeit, Stefanie (Munich U.) ; Peters, Reinhild Yvonne (Manchester U. ; DESY)
Vector boson production in association with jets is an importantprocess to test perturbative quantum chromodynamics and also a backgroundprocess in top quark analyses. [...]
arXiv:1311.7305 ; ATL-PHYS-PROC-2013-306 ; FERMILAB-CONF-13-536-E ; FERMILAB-CONF-13-536-E. - 2014-12. - 11 p.
Fermilab Library Server (fulltext available) - Full text - Fulltext - Full text
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3868.
Radiation tolerance and mitigation strategies for FPGA:s in the ATLAS TileCal Demonstrator / Akerstedt, H (Stockholm U.) ; Bohm, C (Stockholm U.) ; Drake, G (Argonne) ; Muschter, S (Stockholm U.) ; Oreglia, M (Chicago U., EFI) ; Tang, F (Chicago U., EFI) ; Anderson, K (Chicago U., EFI) ; Paramonov, A (Argonne)
During 2014, upgrade-demonstrator electronics will be installed in a Tile calorimeter drawer to obtain long term experience with the inherently redundant electronics proposed for a full upgrade scheduled for 2022. [...]
ATL-TILECAL-PROC-2013-024. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3869.
Next generation Associative Memory devices for the FTK tracking processor of the ATLAS experiment / Andreani, A (INFN, Milano) ; Annovi, A (Frascati) ; Beccherle, B (INFN, Pisa) ; Beretta, M (Frascati) ; Citterio, M (INFN, Milano) ; Crescioli, F (Paris U., VI-VII) ; Colombo, A (INFN, Milano) ; Giannetti, P (INFN, Pisa) ; Liberali, V (INFN, Milano) ; Shojaii, J (INFN, Milano) et al.
The AMchip is a VLSI device that implements the associative memory function, a special content addressable memory specifically designed for high energy physics applications and first used in the CDF experiment at Tevatron. [...]
ATL-DAQ-PROC-2013-043. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3870.
Performance of the ATLAS Calorimeter Trigger in the LHC Run 1 Data Taking Period / Oliveira Damazio, D (Brookhaven Natl. Lab.)
The ATLAS detector operated very successfully at the LHC Run 1 data taking period collecting a large number of events used for the discovery of the Higgs boson as well as for the search for beyond the Standard Model physics. [...]
ATL-DAQ-PROC-2013-044. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3871.
Signal Processing for the ATLAS Liquid Argon Calorimeter : studies and implementation / Oliveira Damazio, D (Brookhaven Natl. Lab.)
The ATLAS detector operated successfully in the LHC studying the pp collisions produced with an energy up to 8 TeV in the center of mass. [...]
ATL-LARG-PROC-2013-015. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3872.
The ATLAS Diamond Beam Monitor / Cerv, M (CERN)
The ATLAS Diamond Beam Monitor is a novel charged-particle detector. [...]
ATL-INDET-PROC-2013-021. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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3873.
Search for direct top squark pair production in final states with one isolated lepton using 21 fb$^{-1}$ of data collected with the ATLAS detector / Meloni, F (Milan U. ; INFN, Milan) ; Pani, P (NIKHEF, Amsterdam)
Naturalness arguments for weak-scale supersymmetry favour supersymmetric partners of the third generation quarks with masses not too far from those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2013-307. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3874.
Properties of $b$-hadrons with ATLAS: $B^0_s$ rare decays and $\Lambda_b$ decay properties. / Baines, JTM (Rutherford) ; Haywood, SJ (Rutherford)
Measurements of the properties of $b$-hadrons are presented based on 5.25~$fb^{-1}$ of $pp$\ncollision data recorded by the ATLAS experiment during 2011 LHC operation. [...]
ATL-PHYS-PROC-2013-308. - 2013. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3875.
Azimuthal anisotropies in Pb+Pb and p+Pb collisions with the ATLAS detector / Wosiek, B (Cracow, INP)
An overview of the results on anisotropic particle flow in lead-lead collisions at sqrt(s_NN) = 2.76 TeV and proton-lead collisions at sqrt(s_NN)= 5.02 TeV obtained with the ATLAS detector at the Large Hadron Collider is presented. The final-state anisotropy is studied by measuring the Fourier harmonics (v_n ) of the azimuthal angle distributions of produced charged particles. [...]
ATL-PHYS-PROC-2013-309.- Geneva : CERN, 2015 - 14 p. - Published in : Ann. Phys. 352 (2015) 117-128 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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3876.
Measurement of the longitudinal polarization of the top quark in top-antitop events with the ATLAS experiment / Hamilton, S (Tufts U.)
The analysis presented in this proceeding measures the longitudinal polarization of the top quark in tt production using the single lepton channel. [...]
ATL-PHYS-PROC-2013-310. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3877.
BSM searches in multi-objects final states in ATLAS / Cornelissen, T G (Wuppertal U.)
Recent results on searches for new physics from Run 1 of the Large Hadron Collider are reported. [...]
ATL-PHYS-PROC-2013-311. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3878.
ATLAS Upgrades Towards the High Luminosity LHC:extending the discovery potential / Vankov, P (DESY)
After successful LHC operation at the center-of-mass energy of 7 and 8 TeV in 2011 and 2012, plans are actively advancing for a series of upgrades, culminating roughly 10 years from now in the high luminosity LHC (HL-LHC) project, delivering of order five times the LHC nominal instantaneous luminosity along with luminosity levelling. [...]
ATL-UPGRADE-PROC-2013-007. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3879.
Top physics results from ATLAS / Irles, A (Valencia U., IFIC)
Top quark physics is a sensitive probe for precision test of the Standard Model and for the search of new physics. [...]
ATL-PHYS-PROC-2013-312. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3880.
An overview of recent ATLAS results / Nikolic-Audit, Irena (Paris U., VI-VII)
The ATLAS experiment at the LHC collider has been successfully taking data since the end of 2009, both in proton-proton collisions at center of mass energies of 7 and 8 TeV, and in heavy ion collisions. [...]
ATL-PHYS-PROC-2013-313. - 2013. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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3881.
Search for rare top quark decays / Galhardo, B (LIP, Coimbra)
The ATLAS searches for the Flavour Changing Neutral Current (FCNC) processes in top-quark pair-production and single top events are presented. [...]
ATL-PHYS-PROC-2013-314. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3882.
Evidence for Higgs Boson Decays to the $\tau^+\tau^-$ Final State with the ATLAS Detector
A search for the Higgs boson with a mass of about $125$ GeV decaying into a pair of $\tau$ leptons is performed with a data sample of proton-proton collisions, corresponding to an integrated luminosity of $\mathcal{L}=20.3$ fb$^{-1}$, collected with the ATLAS detector at the LHC at a centre-of-mass energy of $\sqrt{s}=8$ TeV. [...]
ATLAS-CONF-2013-108. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3883.
The Performance and Development of the ATLAS Inner Detector Trigger / Washbrook, A (Edimbourgh U.)
A description of the ATLAS Inner Detector (ID) software trigger algorithms and the performance of the ID trigger for LHC Run 1 are presented, as well as prospects for a redesign of the tracking algorithms in Run 2. [...]
ATL-DAQ-PROC-2013-045. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3884.
Results on QCD jet production at the LHC (including Heavy flavours) / Seuster, R (TRIUMF)
These proceedings present results on QCD jet production at the LHC, including heavy flavours. These include recently published measurements of the ATLAS and CMS collaborations of jet cross sections, determinations of $\alpha_S$ and heavy flavours..
ATL-PHYS-PROC-2013-315.- Geneva : CERN, 2013 - 5 p. - Published in : (2013) , pp. 243-246 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 9th Rencontres du Vietnam: Windows on the Universe, Quy Nhon, Vietnam, 11 - 17 Aug 2013, pp.243-246
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3885.
Searches for gravitational effects at the TeV scale with the ATLAS detector / Berry, T (Royal Holloway, U. of London)
The Standard Model presently does not explain why the gravitational force is weaker than the other forces. [...]
ATL-PHYS-PROC-2013-316. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from Pos
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3886.
Evolution and performance of the ATLAS jet trigger / Campanelli, M (University Coll. London)
Jet-based trigger triggers allow the ATLAS experiment to perform an important first selection of physics events for use in studies of Standard Model processes and in searches for new physics at the LHC. [...]
ATL-DAQ-PROC-2013-046. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3887.
Fast Tracker: A Hardware Real Time Track Finder for the ATLAS Trigger System / Kimura, N (Waseda U.)
The Fast Tracker (FTK) is an integral part of the trigger upgrade program for the ATLAS detector at the Large Hadron Collider (LHC). [...]
ATL-DAQ-PROC-2013-047. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3888.
Combination of Inclusive ttbar Production Cross Sections at the Tevatron and the LHC. / Protopopescu, S (Brookhaven Natl. Lab.)
The results of combining inclusive ttbar cross section measurements from D0 and CDF at the Tevatron and from ATLAS and CMS at the LHC are presented..
ATL-PHYS-PROC-2013-317. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3889.
SUSY search with two same-sign leptons and jets with the ATLAS detector using $21 fb^{-1}$ of pp collisions at 8 TeV / Ducu, O (Marseille, CPPM ; Bucharest, IFIN-HH)
A search for the production of supersymmetric (SUSY) particles decaying into final states with jets, b-jets, missing transverse momentum and two isolated leptons, e or $\mu$ , with the same electric charge (same-sign leptons) is presented. [...]
ATL-PHYS-PROC-2013-318. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3890.
Search for vector-like quarks with the ATLAS detector / Araque, J P
Vector-like quarks (whose left- and right-handed components have the same colour and electroweak quantum number) are present in several Standard Model extensions and have a very rich phenomenology, consistent with the recent observation of an Higgs boson. [...]
ATL-PHYS-PROC-2013-319. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3891.
Study of the performance of the MicroMegas chambers for the ATLAS muon spectrometer upgrade. / Bini, C (INFN, Rome ; Rome U.)
MicroMegas (Micro MEsh Gaseous Structures) chambers and sTGC (small Thin Gap Chambers) have been chosen for the upgrade of the forward muon detectors of the ATLAS experiment to provide precision tracking and trigger capabilities. [...]
ATL-MUON-PROC-2013-003. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3892.
Top Physics at ATLAS / Romano, M (INFN, Bologna)
This paper is an overview of recent results on top-quark physics obtained by the ATLAS collaboration from the analysis of pp collisions at $\sqrt{s}=$ 7 and 8 TeV at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2013-320. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3893.
Differential top quark pair production measurements / Bernard, C (Boston University)
The large number of top quarks produced at the CERN Large Hadron Collider makes it possible to measure the top quark pair production cross-section differentially with respect to di fferent observables. [...]
ATL-PHYS-PROC-2013-321. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3894.
Measurement of top quark polarization in dileptonic top-antitop quark events using the ATLAS detector / Schaefer, Ralph (DESY)
No abstract
ATL-PHYS-PROC-2013-322. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3895.
Performance of the ATLAS Liquid Argon Calorimeter After Three Years of LHC Operation and Plans for a Future Upgrade / Ilic, N (Toronto U.)
The ATLAS experiment is a multi-purpose detector built for analyzing LHC collision data. [...]
ATL-LARG-PROC-2013-016. - 2013. - 10.
Original Communication (restricted to ATLAS) - Full text
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3896.
Plans for the Phase II Upgrade to the ATLAS Detector / Huffman, B T (Oxford U.)
CERN has planned a series of upgrades for the Large Hadron Collider (LHC). [...]
ATL-UPGRADE-PROC-2013-008. - 2014. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3897.
The Tile Calorimeter / Bessidskaia, O (Stockholm U.)
The Tile Calorimeter (TileCal) is the the central section of the hadronic calorimeter of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2013-025. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3898.
Measurement of properties of the Higgs boson in the diphoton channel using the ATLAS detector / Flores Castillo, L R (Wisconsin U., Madison) ; Yang, H (Wisconsin U., Madison)
Results for the properties of the Higgs boson measured in the diphoton decay channel by the ATLAS experiment at the LHC are presented, which include coupling, spin, and differential cross section measurements. [...]
ATL-PHYS-PROC-2013-323. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3899.
Highlights from ATLAS / Charlton, D (Birmingham U.)
Highlights of recent results from ATLAS were presented. [...]
ATL-PHYS-PROC-2013-324. - 2013. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3900.
Overview of Higgs boson results at ATLAS experiment at the LHC / Tsukerman, I (Moscow, ITEP)
One year ago, a new particle with the mass of 125 GeV and properties expected for the Standard Model Higgs boson was discovered by ATLAS and CMS experiments at the Large Hadron Collider at CERN in proton-proton collisions at center-of-mass energies $\sqrt{s}=$7 TeV and 8 TeV. [...]
ATL-PHYS-PROC-2013-325. - 2013. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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3901.
ttbar plus jets measurements / Mir, M-L (Barcelona, IFAE) ; Martinez, M (Barcelona, IFAE ; ICREA, Barcelona)
Jet multiplicity distributions are measured in pp collisions at SQRT(s) = 7 and 8 TeV with the ATLAS and CMS detectors. [...]
ATL-PHYS-PROC-2013-326. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3902.
Exotic physics at ATLAS / Meehan, S (Chicago U.) ; Pilcher, JE (Chicago U.)
A number of proposed explanations to observed phenomena predict new physics that will be directly observable at the LHC. [...]
ATL-PHYS-PROC-2013-327. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3903.
The Latest Results of the ATLAS Experiment on Heavy Quark Physics / Tokar, S (Comenius U.)
The latest experimental results obtained by the ATLAS Collaboration using the data produced in pp collisions at sqrt(s) = 7 and 8 TeV. [...]
ATL-PHYS-PROC-2013-328. - 2014. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3904.
New ATLAS results in inclusive searches for supersymmetric squarks and gluinos / Lorenz, J M (Munich U.)
Despite the absence of experimental evidence, weak-scale supersymmetry remains one of the best motivated and most studied Standard Model extensions. [...]
ATL-PHYS-PROC-2013-329. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3905.
Leptons: e,mu,tau + systematic uncertainties / Theveneaux-Pelzer, T (Clermont-Ferrand U.) ; Fernandez Menendez, Javier (Oviedo U.)
An overview of the charged lepton performance in the ATLAS, CDF, CMS and D0 experiments is given, in the specific context of physics analyses requiring the selection of leptons from top quark decay. [...]
ATL-PHYS-PROC-2013-330. - 2013. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3906.
Recent QCD results from ATLAS / Barreiro, F (Madrid, Autonoma U.) ; Glasman, C (Madrid, Autonoma U.)
The ATLAS collaboration has performed studies of a wide range of QCD phe-\nnomena. [...]
ATL-PHYS-PROC-2013-331. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3907.
Search for Fermionic Higgs Boson Decays in $\boldsymbol{pp}$ Collisions at the ATLAS and CMS Experiments / Madar, R (Freiburg U.)
The newly discovered boson was only observed in diboson final states. [...]
ATL-PHYS-PROC-2013-332. - 2014. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3908.
New physics in top pair production / Lysak , R (Prague, Inst. Phys.)
We present the latest results about searches for new physics in top quark pair production. [...]
ATL-PHYS-PROC-2013-333. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3909.
Measurement of hard double-parton interactions with the ATLAS detector / Martin, T A D (Warwick U.)
The production of a W boson in association with two jets was studied in proton-proton collisions at a centre-of-mass energy of $\sqrt{s} = 7$ TeV with the ATLAS detector. [...]
ATL-PHYS-PROC-2013-334. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3910.
Review of recent Heavy Flavour Physics results from the ATLAS experiment / Barberis, D (Genoa U. ; INFN, Genoa)
Recent ATLAS B-Physics results include the measurements of B+ production cross-sections and the angular analyses of the decays B0 d → K∗0 µ+µ−, B0 s → J/ψφ and Λ0 b → Λ0J/ψ . [...]
ATL-PHYS-PROC-2013-335. - 2014. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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3911.
A study of the sensitivity to the proton parton distributions of the inclusive photon production cross section in $pp$ collisions at 7 TeV measured by the ATLAS experiment at the LHC
The sensitivity of the inclusive photon production cross section, measured by the ATLAS experiment at the LHC in $pp$ collisions with a centre-of-mass energy of 7 TeV, to the parton distribution functions within the proton is investigated. [...]
ATL-PHYS-PUB-2013-018. - 2013. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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3912.
Search for a High mass Higgs using the ATLAS detector / Diglio, S (Melbourne U. ; Bern U.)
The ATLAS experiment has discovered a new boson with properties consistent with the Standard Model Higgs boson. [...]
ATL-PHYS-PROC-2013-336. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3913.
Using Micromegas in ATLAS to Monitor the Luminosity
Five small prototype micromegas detectors were positioned in the ATLAS detector during LHC running at $\sqrt{s} = 8\, \mathrm{TeV}$. [...]
ATL-MUON-PUB-2013-002. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3914.
Top Cross-Sections and Single Top / Schwienhorst, R (Michigan State U.)
This paper summarizes top quark cross-section measurements at the Tevatron and the LHC. [...]
ATL-PHYS-PROC-2013-337. - 2013. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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3915.
Measurement of Properties of the Higgs Boson in the WW(lvlv)\n2 Channel using the ATLAS Detector / Orr, RS (Toronto U.) ; AbouZeid, H (Toronto U.)
Measurements are presented for the properties of the newly discovered Higgs7\nlike boson using the WW(*) leptonic decay channel, H -&gt;WW(*) l nu l nu using data from the ATLAS detector. [...]
ATL-PHYS-PROC-2013-338. - 2014. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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3916.
Overview of SUSY results from the ATLAS experiment / Brazzale, S (Udine U. ; INFN, Trieste)
The search for Supersymmetry remains a hot topic in high energy phisycs in the light of the discovery of the Higgs boson at a mass of 125 GeV [...]
ATL-PHYS-PROC-2013-339. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3917.
The ATLAS Insertable B-Layer Project / Miucci, A (Geneva U.)
The ATLAS experiment will upgrade its Pixel Detector with the installation of a new pixel layer in 2013-14. [...]
ATL-INDET-PROC-2013-022. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3918.
Beyond-the-Standard Model Higgs Physics using the ATLAS Experiment / Khanov, A (Oklahoma State U.)
A summary of Beyond-the-Standard Model Higgs physics searches recently released by the ATLAS experiment at the Large Hadron Collider is presented..
ATL-PHYS-PROC-2013-340. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3919.
Single top-quark production cross section at the LHC in ATLAS / Friedrich, C (DESY)
Measurements of the single top-quark production cross-sections with the ATLAS detector in $pp$ collisions at the Large Hadron Collider (LHC) are presented. [...]
ATL-PHYS-PROC-2013-341. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3920.
Physics prospects with the ALFA and AFP detectors / Hamal, P (Palacky U.)
We will describe the experimental challenge presented by the measurement of the forward protons at the LHC. [...]
ATL-FWD-PROC-2013-002. - 2013. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3921.
Top quark pair production cross section with the ATLAS experiment / Pedraza López, S (Valencia U., IFIC)
This document reviews the existing results of inclusive top quark pair production cross section measurements in proton-proton collisions at center of mass energies of 7 and 8 TeV performed with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2013-342. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3922.
Combination of all searches and extraction of properties of Higgs, ATLAS+CMS / Fanti, M (Milan U. ; INFN, Milano)
The ATLAS and CMS Collaborations observed a new resonance decaying in two photons, in four leptons via Z-boson pair production, and in two W-bosons decaying leptonically. [...]
ATL-PHYS-PROC-2013-343. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3923.
Measurements of properties of the Higgs-like boson in the $H\rightarrow ZZ^{(*)} \rightarrow4\ell$ decay channel using the ATLAS detector / Stahlman, JM (Pennsylvania U.)
This article presents results on measurements of the signal strength, mass, and spin of the recently discovered Higgs-like boson in the $H\rightarrow ZZ^{(*)} \rightarrow 4\ell$ decay channel using the ATLAS detector. [...]
ATL-PHYS-PROC-2013-344. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3924.
Performance and operation experience of the Atlas Semiconductor Tracker and Pixel Detector at the LHC. / Stanecka, E (Cracow, INP)
The Pixel Detector and the Semiconductor Tracker are the key elements of the tracking system in the ATLAS experiment at the CERN Large Hadron Collider. [...]
ATL-INDET-PROC-2013-023. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3925.
An Integrated Overview of Metadata in ATLAS / Gallas, EJ (Oxford U.) ; Malon, D (Argonne) ; Hawkings, RJ (CERN) ; Albrand, S (LPSC, Grenoble) ; Torrence, E (Oregon U.)
Metadata–data about data–arise in many contexts, from many diverse sources, and at many levels in ATLAS. [...]
ATL-GEN-PROC-2013-004. - 2013. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3926.
Jet and EtMiss Commissioning in ATLAS / Resconi, S (INFN, Milano)
A reliable reconstruction and calibration of jets and EtMiss in ATLAS is crucial to understand Standard Model Physics measurements and to discover new phenomena. [...]
ATL-PHYS-PROC-2013-345. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3927.
Minimum bias physics with ATLAS. / Volpi, M (Barcelona, IFAE)
The first stable colliding 450 GeV proton beams were delivered by the LHC in December 2009, providing collisions at 900 GeV centre of mass energy. [...]
ATL-PHYS-PROC-2013-346. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3928.
Electron  and photon reconstruction and identification with the ATLAS detector and performance with pi0->gg and eta->gg with sqrt{s}=900GeV data / Banfi, D (INFN, Milano ; Milan U.)
In this article the electron  and photon reconstruction and identification with the ATLAS detector will be illustrated, both on MC simulation and on the data collected in the year 2009 at sqrt{s}=900GeV. [...]
ATL-LARG-PROC-2013-017. - 2013. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3929.
IT Infrastructure Design and Implementation Considerations for the ATLAS TDAQ System / Dobson, M (UC, Irvine) ; Unel, G (UC, Irvine) ; Caramarcu, C (Bucharest, IFIN-HH) ; Dumitru, I (Bucharest, Polytechnic Inst.) ; Valsan, L (Bucharest, Polytechnic Inst.) ; Darlea, G L (Bucharest, Polytechnic Inst.) ; Bujor, F (Bucharest, Polytechnic Inst.) ; Bogdanchikov, A G (Novosibirsk, IYF) ; Korol, A A (Novosibirsk, IYF) ; Zaytsev, A S (Novosibirsk, IYF) et al.
This paper gives a thorough overview of the ATLAS TDAQ SysAdmin group activities which deals with administration of the TDAQ computing environment supporting Front End detector hardware, Data Flow, Event Filter and other subsystems of the ATLAS detector operating on the LHC accelerator at CERN. [...]
ATL-DAQ-PROC-2013-048. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3930.
The Atlas Forward Physics Program / Diglio, S (Orsay, LAL)
A brief review of the ATLAS forward detector system is presented. [...]
ATL-GEN-PROC-2013-005. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3931.
Search for a Standard Model Higgs Boson in the Decay H -> WW(*) -> lnulnu with 200pb-1 at ATLAS / Gwilliam, Carl (Liverpool U.)
The prospects for Higgs boson searches using the $H ightarrow WW^{(*)} ightarrow l u l u~(l=e,mu)$ decay mode at ATLAS for a proton-proton centre-of-mass energy of 10 TeV are presented. [...]
ATL-PHYS-PROC-2013-347. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3932.
Status and Prospects for Observation of Top Quark Pair Production in ATLAS / Kersevan, B (Ljubljana U. ; Stefan Inst., Ljubljana)
This paper is intended to give an overview of the first tt ̄ physics results that the ATLAS Collaboration is going to provide with the early data..
ATL-PHYS-PROC-2013-348. - 2013. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3933.
Calibration of the $b$-tagging efficiency for $c$ jets with the ATLAS detector using events with a $W$ boson produced in association with a single $c$ quark
A novel method is used to measure the $b$-jet tagging efficiency of $c$ jets of the standard MV1 tagging algorithm in proton-proton collisions at $\sqrt{s}=7$ TeV using data collected by the ATLAS experiment at the LHC in the year 2011, corresponding to an integrated luminosity of about 4.6 fb$^{−1}$. [...]
ATLAS-CONF-2013-109. - 2013.
Original Communication (restricted to ATLAS) - Full text
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3934.
Review of ATLAS Higgs → WW Results with 25 fb-1 of Data / Ilic, N (Toronto U.)
Review of ATLAS Higgs → WW Results with 25 fb-1 of Data
ATL-PHYS-PROC-2014-001. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3935.
Centrality dependence of charged particle production in proton-lead collisions measured by ATLAS / Romaniouk, A (Moscow Phys. Eng. Inst.)
The ATLAS experiment at the LHC has measured the centrality dependence of charged particle pseudorapidity distributions, dNch=d, in p+Pb collisions at a nucleon-nucleon centre-of-mass energy of psNN = 5:02 TeV [...]
ATL-PHYS-PROC-2014-002. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3936.
Search for Diphoton Events with Large Missing Transverse Momentum in 8 TeV pp Collision Data with the ATLAS Detector
A search for diphoton events with large missing transverse momentum has been performed using 20.3 fb$^{-1}$ of proton-proton collision data at a centre-of-mass energy of 8 TeV recorded with the ATLAS detector. [...]
ATLAS-CONF-2014-001. - 2014. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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3937.
Recent heavy ion results from ATLAS experiment / Sandström, R (Munich, Max Planck Inst.)
During the first three years of operation the ATLAS experiment has collected an integrated luminosity of $0.15~\mathrm{nb}^{-1}$ for $\sqrt{s_{NN}}=2.76~$TeV lead-lead collisions, $30~\mathrm{nb}^{-1}$ for 5.02 TeV proton-lead collisions, and $5~\mathrm{pb}^{-1}$ for $\sqrt{s}=2.76~$TeV proton-proton collisions. [...]
ATL-PHYS-PROC-2014-003. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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3938.
Diffraction and rapidity gap measurements with ATLAS / Kus, V (Prague, Inst. Phys.)
Two diffraction related measurements of proton-proton collisions in the ATLAS experiment of the Large Hadron Collider at $\surd s$ = 7 TeV centre-of-mass energy are reviewed. [...]
ATL-PHYS-PROC-2014-004. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3939.
New Physics in Single-Top Production / Lohse, T (Humboldt U., Berlin) ; Kind, OM (Humboldt U., Berlin)
In this paper an overview of recent results on the search for physics beyond the Standard Model in the electro-weak top-quark production from the ATLAS, D0 , CDF and CMS collaborations is given. [...]
ATL-PHYS-PROC-2014-005. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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3940.
Measurements of the production of P-wave charmonium states through radiative decays at the ATLAS experiment / Marcisovsky, M (Prague, Inst. Phys.)
he production cross sections of the χc1 and χc2 charmonium states are\nmeasured in\npp collisions at √s = 7 TeV using 4.5 fb−1 of integrated luminosity\nrecorded by the\nATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2014-006. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3941.
Algorithms, performance, development of the ATLAS High-Level trigger / Nagano, K (KEK, Tsukuba)
The ATLAS trigger system has been used for the online event selection for three years of LHC data-taking and is preparing for the next run. [...]
ATL-DAQ-PROC-2014-001. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3942.
Tagging and suppression of pileup jets
The suppression of pileup jets has been a crucial component of many physics analyses using 2012 LHC proton-proton collisions. [...]
ATL-PHYS-PUB-2014-001. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3943.
Status and performance of the ATLAS Pixel Detector at the LHC after three years of operation / Lantzsch, K (CERN)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN. [...]
ATL-INDET-PROC-2014-001. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3944.
Simulation Studies of Characteristics and Performance of small-strip Thin Gap Chamber for the ATLAS New Small Wheel Upgrade
Small-strip, Thin Gap Chambers (sTGC) will be used for the primary Level-1 trigger in the ATLAS New Small Wheel muon spectrometer upgrade. [...]
ATL-MUON-PUB-2014-001. - 2014. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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3945.
Results of vector boson production, both inclusive and in association with jets, at the LHC. / Karnevskiy, M (Mainz U.)
Recent measurements of W and Z bosons with the ATLAS and CMS detector at the LHC are presented. [...]
ATL-PHYS-PROC-2014-007. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3946.
The ATLAS transverse-momentum trigger performance at the LHC in 2011
The transverse momentum triggers of the ATLAS experiment at the CERN Large Hadron Collider are designed to select events with non-interacting particles passing through the detector and events with a large amount of outgoing momentum transverse to the beam axis. [...]
ATLAS-CONF-2014-002. - 2014. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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3947.
Performance of shower deconstruction in ATLAS
This note describes the performance of the shower deconstruction algorithm, a jet tagging algorithm, using proton-proton collisions at a centre of mass energy of $\sqrt{s}= 8$ $\mathrm{\ Te\kern -0.1em V}$. [...]
ATLAS-CONF-2014-003. - 2014. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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3948.
SUSY SEARCHES WITH ATLAS / Hamer, M (Gottingen U., II. Phys. Inst.)
These proceedings summarize seven searches for supersymmetry with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2014-008. - 2015. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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3949.
Exotics searches with ATLAS / Tykhonov, A (Stefan Inst., Ljubljana)
The summary is given for the non-SUSY searches for New Physics with the ATLAS detector. [...]
ATL-PHYS-PROC-2014-009. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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3950.
Calibration of $b$-tagging using dileptonic top pair events in a combinatorial likelihood approach with the ATLAS experiment
This note presents a new method to derive the $b$-jet tagging efficiency from data using a combinatorial likelihood approach applied to dileptonic $t\bar{t}$ events. [...]
ATLAS-CONF-2014-004. - 2014. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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3951.
Higgs Boson Physics at ATLAS / StDenis, R (Glasgow U.)
The discovery of a new boson with the ATLAS detector at the LHC proton-proton collider is confirmed using the full data set collected at centre-of-mass energies of 7 and 8 TeV. [...]
ATL-PHYS-PROC-2014-010. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3952.
Heavy Flavour Physics with ATLAS / Dolezal, Z (Charles U.) ; Chalupkova, I (Charles U.)
We present recent measurements of $b$-hadrons properties of the ATLAS experiment at the Large Hadron Collider at CERN. [...]
ATL-PHYS-PROC-2014-011. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3953.
A search for resonant Higgs-pair production in the $b\bar{b}b\bar{b}$ final state in $pp$ collisions at $\sqrt{s}=8$ TeV
A search for TeV-scale resonances decaying via a pair of Higgs bosons to the $b\bar{b}b\bar{b}$ final state is performed with 19.5 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=8$ TeV recorded by ATLAS in 2012. [...]
ATLAS-CONF-2014-005. - 2014. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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3954.
A general search for new phenomena with the ATLAS detector in pp collisions at $\sqrt{s}=8$ TeV
This note presents a model-independent general search for new phenomena in proton-proton collisions at a centre-of-mass energy of 8 TeV with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2014-006. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3955.
Measurements of diboson production with the ATLAS detector / Bertolucci, F (INFN, Pisa ; Pisa U.)
The study of the diboson production characteristics with the ATLAS detector at the Large Hadron Collider in proton-proton collisions at ps up to 8 TeV allows for the first time to measure the behaviour of the electroweak interactions in an unexplored energy range. [...]
ATL-PHYS-PROC-2014-012. - 2014. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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3956.
Measurement of the Inclusive and Fiducial Cross-Section of Single Top-Quark $t$-Channel Events in $pp$ Collisions at $\sqrt{s}$ = 8 TeV
This note presents the measurement of a $t$-channel single top-quark production fiducial cross-section in the lepton+jets channel with 20.3 fb$^{-1}$ of 8 TeV data using a neural-network discriminant. [...]
ATLAS-CONF-2014-007. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3957.
A measurement of single hadron response using data at $\sqrt{s}$ = 8 TeV with the ATLAS detector
A measurement of the calorimeter response to isolated single hadrons is presented. [...]
ATL-PHYS-PUB-2014-002. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3958.
Comparison of the response of the ATLAS detector to electromagnetic processes in data at 8 TeV and simulation using different G4 setups
The response of the ATLAS detector to electromagnetic processes (i.e. [...]
ATL-PHYS-PUB-2014-003. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3959.
Performance of the Fast ATLAS Tracking Simulation (FATRAS) and the ATLAS Fast Calorimeter Simulation (FastCaloSim) with single particles
Many physics and performance studies with the ATLAS detector at the Large Hadron Collider require very large samples of simulated events, and producing these using the full Geant4 detector simulation is highly CPU intensive. [...]
ATL-SOFT-PUB-2014-001. - 2014. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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3960.
Study of the spin and parity of Higgs Boson with ATLAS detector / Fang, Y (Beijing, Inst. High Energy Phys.)
In this proceeding, the studies of the spin and parity numbers of the Higgs boson with the data collected by the ATLAS experiment are presented. [...]
ATL-PHYS-PROC-2014-013. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3961.
Exotics Searches with ATLAS and CMS experiments / Gonzalez de la Hoz, S (Valencia U., IFIC)
n this paper we present strategies and results of nine searches for exotic physics performed by the ATLAS and CMS experiments with 2012 pp collision data taken at LHC energy $\sqrt{s}$ respectively 7 TeV and 8 TeV. [...]
ATL-PHYS-PROC-2014-014. - 2014. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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3962.
Basic ATLAS TRT performance studies of Run 1
This document compares the results of basic performance studies of the ATLAS Transition Radiation Tracker (TRT) for data recorded during the 2011 and 2012 LHC running to the corresponding detector simulation studies. [...]
ATL-INDET-PUB-2014-001. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3963.
First combination of Tevatron and LHC measurements of the top-quark mass
We present a combination of measurements of the mass of the top quark, $m_{\rm top}$, performed by the CDF and D0 experiments at the Tevatron collider and the ATLAS and CMS experiments at the Large Hadron Collider (LHC). [...]
arXiv:1403.4427 ; ATLAS-CONF-2014-008 ; CDF-NOTE-11071 ; CMS-PAS-TOP-13-014 ; D0-NOTE-6416 ; FERMILAB-TM-2582-E ; ATLAS-CONF-2014-008 ; CDF-NOTE-11071 ; CMS-PAS-TOP-13-014 ; D0-NOTE-6416 ; FERMILAB-TM-2582-E ; ATLAS-CONF-2014-008 ; CDF-NOTE-11071 ; CMS-PAS-TOP-13-014 ; D0-NOTE-6416. - 2014. - 34 p.
Interactions.org article - Fermilab Today Result of the Week - LiveScience article - Fermilab Library Server (fulltext available) - Fulltext - Figure_003-a - Figure_003-c - Figure_003-b - Figure_003-d - Figure_006-c - Figure_007-a - Figure_002 - Figure_006-a - Figure_006-b - Figure_006-d - Figure_006-e - Figure_006-f - Figure_007-c - Figure_007-d - Figure_005 - Figure_004 - Figure_001-c - Figure_001-b - Figure_001-a - Figure_007-b - Preprint
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3964.
Preparing ATLAS Distributed Computing for LHC Run 2
ATLAS software and computing is in a period of intensive evolution. [...]
ATL-SOFT-PUB-2014-002. - 2014. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3965.
Study of Higgs Boson Production in Fermionic Decay Modes / Gray, HM (CERN)
The fermionic sector is a key element to determine the properties of the newly discovered Higgs boson. [...]
ATL-PHYS-PROC-2014-015. - 2013. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3966.
Updated coupling measurements of the Higgs boson with the ATLAS detector using up to 25 fb$^{-1}$ of proton-proton collision data
This note presents an update of the measurements of the properties of the Higgs boson using the full run I collision data sample recorded by the ATLAS experiment at the LHC for the channels $H\to\gamma\gamma$, $H\to ZZ^*\to4\ell$, $H\to WW^*\to\ell\nu\ell\nu$, $H\to bb$, and$H\to \tau\tau$. [...]
ATLAS-CONF-2014-009. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3967.
Measurements of Higgs Boson Properties using the ATLAS Detector / Cao, T (Southern Methodist U.)
Measurements are presented of the production properties, couplings and spin- parity of the recently discovered Higgs-like boson using the decays into boson pairs, γγ, ZZ∗ → 4l and WW∗ → lνlν. [...]
ATL-PHYS-PROC-2014-016. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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3968.
Particle production and long-range correlations in p+Pb collisions with the ATLAS detector / Milov, Alexander (Weizmann Inst.) /ATLAS Collaboration
The ATLAS experiment at the LHC has measured the centrality dependence of charged particle pseudorapidity distribution, charged particle spectra, and the two-particle correlations in p+Pb collisions at a nucleon-nucleon centre-of-mass energy of sqrt(s_NN)=5.02TeV. Charged particles were measured over |eta|<2.7 using the ATLAS detector tracking system. [...]
arXiv:1403.5738; ATL-PHYS-PROC-2014-017; ATL-PHYS-PROC-2014-017.- Geneva : CERN, 2014-12 - 8 p. - Published in : Nucl. Phys. A 932 (2014) 357-364 Fulltext: ATL-PHYS-PROC-2014-017 - PDF; 1403.5738 - PDF; Preprint: PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 6th International Conference on Hard and Electromagnetic Probes of High-Energy Nuclear Collisions, Cape Town, South Africa, 4 - 8 Nov 2013, pp.357-364
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3969.
Higgs Discovery Status from ATLAS / Iordanidou, K (Athens U. ; CERN)
An overview of the latest results of the Higgs boson search with the ATLAS experiment at the LHC, following its discovery, is presented. [...]
ATL-PHYS-PROC-2014-018. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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3970.
Common Framework Implementation for the Track-Based Alignment of the ATLAS Detector
We present the ATLAS implementation of the generic track-based alignment framework. [...]
ATL-SOFT-PUB-2014-003. - 2014. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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3971.
Constraints on New Phenomena via Higgs Coupling Measurements with the ATLAS Detector
The ATLAS experiment at the LHC has determined the couplings of the Higgs boson to other particles, as well as its mass, using the combination of measurements from multiple production and decay channels with up to 4.8 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=7$~TeV and 20.3 fb$^{-1}$ at $\sqrt{s}=8$~TeV. [...]
ATLAS-CONF-2014-010. - 2014. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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3972.
Search for the Standard Model Higgs boson produced in association with top quarks and decaying to $b\bar{b}$ in pp collisions at $\sqrt{s} =$ 8 TeV with the ATLAS detector at the LHC
A search for the Standard Model Higgs boson produced in association with a pair of top quarks, $t\bar{t}H$, is presented. [...]
ATLAS-CONF-2014-011. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3973.
Combination of ATLAS and CMS $t\bar{t}$ charge asymmetry measurements using LHC proton-proton collisions at $\sqrt{s}=7$ TeV
A combination of measurements of the charge asymmetry in $t\bar{t}$ events performed by the ATLAS and CMS collaborations is presented. [...]
ATLAS-CONF-2014-012 ; CMS-PAS-TOP-14-006. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Additional information for the analysis (restricted access) - Full text - Figure__001
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3974.
Search for associated production of the Higgs boson in the H → WW channel with a fully leptonic final state / Bortolotto, V (INFN, Roma ; Rome U.)
A search for the Higgs boson in the WH and ZH associated production modes, with H→WW(∗) and a fully leptonic final state with electrons or muons, is performed using the data collected in 2012 with the ATLAS detector at the CERN Large Hadron Collider. [...]
ATL-PHYS-PROC-2014-019. - 2014. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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3975.
Performance of Boosted W Boson Identification with the ATLAS Detector
This note presents the performance of a variety of techniques used to identify highly- boosted hadronically-decaying $W$ bosons. [...]
ATL-PHYS-PUB-2014-004. - 2014. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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3976.
Evidence for electroweak production of $W^{\pm}W^{\pm}jj$ in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
This note presents the first measurement of same electric charge $W^{\pm}W^{\pm}jj$ vector boson production processes, using 20.3 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=8$ TeV recorded by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2014-013. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3977.
Search for the direct pair production of top squarks decaying to a b quark, a tau lepton, and weakly interacting particles, in $\sqrt{s} = 8 TeV$ pp collisions using $20 \; fb^{-1}$ of ATLAS data
Preliminary results of a search for direct pair production of supersymmetric partners of the top quark decaying via a $\tau$ slepton and with a gravitino in the final state ($ \tilde{t_1} \rightarrow b \nu_\tau \tilde{\tau_1} \rightarrow b \nu_\tau \tau \tilde G$) are reported. [...]
ATLAS-CONF-2014-014. - 2014. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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3978.
A Popularity Based Prediction and Data Redistribution Tool for ATLAS Distributed Data Management / Beermann, T (CERN) ; Stewart, G A (Glasgow U.) ; Maettig, P (Wuppertal U.)
This paper presents a system to predict future data popularity for data-intensive systems, such as ATLAS distributed data management (DDM). [...]
ATL-SOFT-PROC-2014-001. - 2014. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3979.
Measurement of hard probes in $p$+Pb and Pb+Pb Collisions with the ATLAS detector / Trzupek, A (Cracow, INP)
Recent measurements from the ATLAS experiment of high-$p_\mathrm{T}$ processes in relativistic proton-lead and lead-lead interactions at the Large Hadron Collider (LHC) are presented. [...]
ATL-PHYS-PROC-2014-020. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Jagiellonian U. Open Access article
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3980.
Soft Physics of p+Pb and Pb+Pb Collisions from the ATLAS Experiment at the LHC / Bold, T (AGH-UST, Cracow)
Physics of p+Pb and Pb+Pb collisions at the LHC covered with the ATLAS detector ranges from the studies of a relatively soft sector to the studies of the products of the hard scatterings. [...]
ATL-PHYS-PROC-2014-021. - 2014. - 15 p.
Original Communication (restricted to ATLAS) - Full text - Jagiellonian U. Open Access article
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3981.
The ATLAS EventIndex: an event catalogue for experiments collecting large amounts of data / Barberis, D (Genoa U. ; INFN, Genoa) ; Cranshaw, J (Argonne) ; Favareto, A (Genoa U. ; INFN, Genova) ; Fernández Casaní, Á (Valencia U., IFIC) ; Gallas, E J (Oxford U.) ; González de la Hoz, S (Valencia U., IFIC) ; Hřivnáč, J (Orsay, LAL) ; Malon, D (Argonne) ; Nowak, M (Brookhaven Natl. Lab.) ; Prokoshin, F (Santa Maria U., Valparaiso) et al.
Modern scientific experiments collect vast amounts of data that must be catalogued to meet multiple use cases and search criteria. [...]
ATL-SOFT-PROC-2014-002. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3982.
Charged particle multiplicity in proton-lead collisions at $\sqrt{s_{_{NN}}} = 5.02$ TeV in the ATLAS experiment / Zabinski, B (Cracow, INP)
This note describes ATLAS results on multiplicity of produced charged particles in p+Pb collisions at the centre-of-mass energy of 5.02 TeV. [...]
ATL-PHYS-PROC-2014-022. - 2014. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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3983.
Charged particle production in p+Pb collisions with the ATLAS detector / Spousta, M (Charles U.)
We report on the measurements of centrality dependence of the charged particle pseudorapidity distribution and transverse momentum distributions in proton-lead collisions with the ATLAS detector at LHC. [...]
ATL-PHYS-PROC-2014-023. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3984.
Search for a $WZ$ resonance in the fully leptonic channel using $pp$ collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector
The search for resonant $WZ$ production in the $\ell\nu\ell'\ell'$ ($\ell, \ell' = e,\mu$) decay channel using 20.3 fb$^{-1}$ of $\sqrt{{s}} = 8$ TeV LHC collision data collected by the ATLAS detector is presented. [...]
ATLAS-CONF-2014-015. - 2014. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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3985.
Search for microscopic black holes and string balls in final states with leptons and jets with the ATLAS detector at $\sqrt{s}=8$ TeV
A search for an excess of events with multiple high transverse momentum objects including charged leptons and jets is presented, using 20.3~fb$^{-1}$ of proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider in 2012 at a centre-of-mass energy of $\sqrt{s} = 8$~TeV. [...]
ATLAS-CONF-2014-016. - 2014. - 37 p.
Original Communication (restricted to ATLAS) - Full text
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3986.
Search for high-mass states with one lepton plus missing transverse momentum in $pp$ collisions at $\sqrt{s}$~=~8 TeV with the ATLAS detector
A search is presented for new high-mass states decaying to a lepton (electron or muon) plus missing transverse momentum using 20.3 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=8$ TeV recorded with the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2014-017. - 2014.
Original Communication (restricted to ATLAS) - Full text
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3987.
Electroweak boson production in Pb+Pb / Balestri, T (Stony Brook U.)
Measurements of electroweak boson production ($\gamma$, $\Wboson$/$\Zboson$) in heavy ion events provide a novel way to probe the properties of a quark-gluon plasma. [...]
ATL-PHYS-PROC-2014-024. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3988.
Standard Model and flavor physics measurements with the ATLAS detector / Malecki, Pa (Carcow, INP)
This article presents recent results obtained by the ATLAS Experiment at the Large Hadron Collider (LHC) regarding the measurements of Standard Model and Flavor Physics phenomena performed with data collected in proton - proton collisions at center-of-mass energies $\sqrt{s} = 7$~TeV and $8$~TeV. [...]
ATL-PHYS-PROC-2014-025. - 2014. - 17 p.
Original Communication (restricted to ATLAS) - Full text - Jagiellonian U. Open Access article
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3989.
Impact of the Insertable B-Layer on b-tagging performance for ATLAS Run-II / Pires, S (Paris U., VI-VII)
The b-tagging performance expected for ATLAS Run-II will be presented hereafter. [...]
ATL-PHYS-PROC-2014-026. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - Jagiellonian U. Open Access article
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3990.
Jet suppression in Pb+Pb collisions with the ATLAS detector / Rybar, M (Charles U.)
The phenomenon of the jet quenching in the hot and dense medium created in ultra-relativistic heavy ion collisions was established at RHIC experiments. [...]
ATL-PHYS-PROC-2014-027. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3991.
Search for Supersymmetry at ATLAS / Musto, E (Technion)
These proceedings summarize the searches for Supersymmetry (SUSY) with the ATLAS detector at the Large Hadron Collider (LHC), focusing on the results obtained with the full proton-proton collisions data set recorded at a center of mass energy of $\sqrt{s}=$ 8 TeV, corresponding to an integrated luminosity of approximately 20 fb$^{−1}$. [...]
ATL-PHYS-PROC-2014-028. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3992.
The next generation of the ATLAS PanDA Monitoring System / Schovancova, J (Brookhaven Natl. Lab.) ; De, K (Texas U., Arlington) ; Klimentov, A (Brookhaven Natl. Lab.) ; Love, P (Lancaster U.) ; Potekhin, M (Brookhaven Natl. Lab.) ; Wenaus, T (Brookhaven Natl. Lab.)
For many years the PanDA Workload Management System has been the basis for distributed production and analysis for the ATLAS experiment at the LHC. [...]
ATL-SOFT-PROC-2014-003. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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3993.
Higgs results from the ATLAS experiment (Standard Model and Beyond) / Rangel-Smith, C (Uppsala U.)
The discovery of a new particle consistent with the SM-like Higgs boson, with a mass of about 125 GeV, was announced by the ATLAS and CMS experiments on the 4 July 2012. [...]
ATL-PHYS-PROC-2014-029. - 2014. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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3994.
QCD Studies at ATLAS / Wielers, M
These are the proceedings of the talk given at Les Rencontres de Physique de la Vallée d'Aoste, La Thuile 2014..
ATL-PHYS-PROC-2014-030. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3995.
Inclusive jet production in $p$+Pb collisions at 5.02 TeV with the ATLAS detector at the LHC / Perepelitsa, D V (Brookhaven)
Measurements of reconstructed jets in high-energy proton-lead collisions over a wide rapidity and $p_\mathrm{T}$ range can shed light on the partonic structure of nuclei. [...]
ATL-PHYS-PROC-2014-031. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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3996.
Diboson and Electroweak Physics at ATLAS / Vest, A (TU, Dresden)
LHC data at centre-of-mass energies of 7 and 8 TeV are used to perform measurements of electroweak diboson and Zjj production with the ATLAS detector. [...]
ATL-PHYS-PROC-2014-032. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3997.
Studies of top quark production with the ATLAS detector at the LHC / Spanò, F (Royal Holloway, U. of London)
The most recent measurements of top quark strong and electroweak production in proton-proton collisions at the Large Hadron Collider are reviewed using data collected with the ATLAS detector..
ATL-PHYS-PROC-2014-033. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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3998.
Testing the new physics scale in the B^{0} system at ATLAS / Alpigiani, C (Queen Mary, U. of London)
Weak decays that are naturally suppressed in the Standard Model, such as processes with flavour-changing neutral-currents, are perfect for indirect searches of new physics. [...]
ATL-PHYS-PROC-2014-034. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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3999.
Measurement of the electron reconstruction and identification efficiencies in ATLAS / Sommer, P (Freiburg U.)
Isolated, high-energy electrons constitute a very clean signature at hadron collider experiments. [...]
ATL-PHYS-PROC-2014-035. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4000.
Evidence for Higgs Boson Decays to the $\tau^+\tau^-$ Final State with the ATLAS Detector / Ruthmann, N (Freiburg U.)
After the discovery of a Higgs boson in the bosonic final states in 2012, the search for fermionic decay modes plays a crucial role in the identification of this particle as the Higgs boson of the Standard Model. [...]
ATL-PHYS-PROC-2014-036. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4001.
What have we learned about the Quark-Gluon Plasma with the ATLAS detector at the LHC? / Steinberg, P (Brookhaven)
Recent results from lead-lead and proton-lead collisions, measured by the ATLAS experiment at the LHC, are presented. [...]
ATL-PHYS-PROC-2014-037. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4002.
Search for direct top squark pair production in final states with two leptons in $\sqrt{s} = 8$ TeV pp collisions using 20 fb$^{-1}$ of ATLAS data / Meloni, F (INFN, Milano ; Milan U.)
A search is presented for direct top squark pair production in final states with two leptons (electrons or muons) of opposite charge using 20.3~fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=8$ TeV, collected by the ATLAS experiment at the Large Hadron Collider in 2012. [...]
ATL-PHYS-PROC-2014-038. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4003.
Search for $t\bar{t}H$, $H\rightarrow b\bar{b}$ production in ATLAS / Le Menedeu, Eve (Barcelona, IFAE)
The search of the production of the Higgs boson associated with a pair of top quarks in the ATLAS experiment is presented. [...]
ATL-PHYS-PROC-2014-039. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4004.
Performance of b-jet identification in ATLAS / Jovicevic, J (KTH Royal Institute of Technology)
A performant identification of the jets originating from $b$-quarks is one of the key ingredients which allows for the diverse physics program of the ATLAS experiment. [...]
ATL-PHYS-PROC-2014-040. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4005.
Latest jets results from the LHC / Barreiro, F (Madrid, Autonoma U.)
I am summarizing the latest jet results from the LHC..
ATL-PHYS-PROC-2014-041. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4006.
Tagging and suppression of pileup jets with the ATLAS detector
The suppression of pileup jets has been a crucial component of many physics analyses using 2012 LHC proton-proton collisions. [...]
ATLAS-CONF-2014-018. - 2014. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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4007.
Electroweak SUSY production searches at ATLAS and CMS / Flowerdew, M (Munich, Max Planck Inst.)
The discovery of weak-scale supersymmetric (SUSY) particles is one of the primary goals of the Large Hadron Collider experiments. [...]
ATL-PHYS-PROC-2014-042. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4008.
Third Generation SUSY Searches at the LHC / Yamanaka, T (Tokyo U., ICEPP)
The third generation squarks are expected to be lighter than the other squarks due to mixing of mass matrices and due to large Yukawa couplings. [...]
ATL-PHYS-PROC-2014-043. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4009.
Heavy Flavour Production at ATLAS and CMS / Barton, A E (Lancaster U.)
Recent measurements of open beauty and heavy quarkonium production, made by ATLAS and CMS at the Large Hadron Collider, are presented and compared to theoretical predictions..
ATL-PHYS-PROC-2014-044. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4010.
Dark Matter searches at the LHC / Calfayan, P (Munich U.)
Searches for Dark Matter (DM) are performed by the ATLAS and CMS experiments in events involving large missing transverse energy in the detector. [...]
ATL-PHYS-PROC-2014-045. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4011.
Pile-up Suppression in Missing Transverse Momentum Reconstruction in the ATLAS Experiment in Proton-Proton Collisions at sqrt{s} = 8 TeV
The ATLAS experiment recorded proton collision data at $\sqrt{s} = 8$ TeV at the LHC in 2012 corresponding to an integrated luminosity of about 20 fb$^{-1}$. [...]
ATLAS-CONF-2014-019. - 2014. - 38 p.
Original Communication (restricted to ATLAS) - Full text
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4012.
The monitoring and data quality assessment of the ATLAS liquid argon calorimeter / Simard, O (Annecy, LAPP)
The ATLAS experiment is designed to study the proton-proton ($pp$) collisions produced at the Large Hadron Collider (LHC) at CERN. [...]
ATL-LARG-PROC-2014-001. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4013.
The upgrade of the ATLAS High Level Trigger and Data Acquisition systems and their integration / Abreu, R (CERN)
The Data Acquisition (DAQ) and High Level Trigger (HLT) systems that served the ATLAS experiment during LHC's first run are being upgraded in the first long LHC shutdown period, from 2013 to 2015. [...]
ATL-DAQ-PROC-2014-002. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4014.
The ATLAS liquid argon calorimeter: upgrade plans for the HL-LHC / Novgorodova, Olga (Dresden, Tech. U.)
The ATLAS detector was designed and built to study proton-proton collisions produced at the LHC at centre-of-mass energies up to 14 TeV and instantaneous luminosities up to 10$^{34}$ cm$^{-2}$s$^{-1}$. [...]
ATL-LARG-PROC-2014-002. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4015.
Combinations of Results of Higgs production in all decay channels at LHC / Di Micco, B (Rome III U. ; INFN, Rome3)
This paper describes the present status of the Higgs production measurements in all decay channels at LHC. [...]
ATL-PHYS-PROC-2014-046. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4016.
Upgraded Trigger Readout Electronics for the ATLAS LAr Calorimeters for Future LHC Running / Ma, H (Brookhaven Natl. Lab.)
The ATLAS Liquid Argon (LAr) calorimeters produce almost 200K signals that are digitized and processed by the front-end and back-end electronics for every triggered event. [...]
ATL-LARG-PROC-2014-003. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4017.
Study of Higgs production in bosonic decay channels at the LHC / Cuhadar Donszelmann, T (Sheffield U.)
The latest results on Higgs decays to dibosons studied by the ATLAS and CMS collaborations using the full RunI luminosity at the Large Hadron Collider, are reviewed..
ATL-PHYS-PROC-2014-047. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4018.
Calibration of the Tile Hadronic Calorimeter of ATLAS at LHC / Boumediene, D (Clermont-Ferrand U.)
The TileCal is the hadronic calorimeter covering the most central region of the ATLAS experiment at LHC. [...]
ATL-TILECAL-PROC-2014-001. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4019.
Upgrade of the ATLAS Tile Calorimeter Electronics / Carrio, F (Valencia U., IFIC)
This work summarizes the status of the R&D activities on the development of the on- and off-detector readout electronics for the Phase 2 Upgrade of the ATLAS Tile Calorimeter. [...]
ATL-TILECAL-PROC-2014-002. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4020.
$Z$ Boson Production in p+Pb Collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with the ATLAS Detector
The ATLAS experiment has measured the production of $Z$ bosons in p+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV from the 2013 LHC run. [...]
ATLAS-CONF-2014-020. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4021.
Measurement of long-range pseudorapidity correlations and azimuthal harmonics in $\sqrt{s_{\mathrm{NN}}}$=5.02 TeV proton-lead collisions with the ATLAS detector
Measurements of two-particle correlation functions and the first five azimuthal harmonics, $v_1$ to $v_5$, are presented, using 28 $\mathrm{nb}^{-1}$ of $p$+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV measured in the ATLAS detector at the LHC. [...]
ATLAS-CONF-2014-021. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4022.
Measurement of the correlation between elliptic flow and higher-order flow harmonics in Pb+Pb collisions at $\sqrt{s_{_{\mathrm{NN}}}}$=2.76 TeV
Correlations between the elliptic flow coefficient, $v_2$, and higher-order flow harmonics, $v_3$, $v_4$ and $v_5$ are measured using 7 $\mu$b$^{-1}$ of Pb+Pb collision data at $\sqrt{s_{_{\mathrm{NN}}}}=2.76$ TeV collected by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2014-022. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4023.
Measurement of W boson production and the lepton charge asymmetry in PbPb collisions at √sNN = 2.76 TeV with the ATLAS detector
A measurement of $W$ boson production in lead-lead collisions at $\sqrt{s_{\mathrm{NN}}}=2.76\;TeV$ is presented. [...]
ATLAS-CONF-2014-023. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4024.
Centrality and rapidity dependence of inclusive jet production in $\sqrt{s_\mathrm{NN}} = 5.02$ TeV proton--lead collisions with the ATLAS detector
The ATLAS Collaboration has measured the centrality and rapidity dependence of inclusive jet production in $\sqrt{s_\mathrm{NN}} = 5.02$ TeV proton-lead ($p$+Pb) collisions and the jet cross-section in $\sqrt{s} = 2.76$ TeV proton-proton collisions in datasets corresponding to an integrated luminosity of $27.8$ nb$^{-1}$ and $4.0$ pb$^{-1}$, respectively, recorded at the Large Hadron Collider in 2013. [...]
ATLAS-CONF-2014-024. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4025.
Measurements of the nuclear modification factor for jets in Pb+Pb collisions at $\sqrt{s}_{\mathrm{NN}}=2.76$ TeV with the ATLAS detector
Measurements of inclusive jet production are performed in $pp$ and Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$~TeV with the ATLAS detector at the LHC, corresponding to total integrated luminosities of 4.0~$\mathrm{pb}^{-1}$ and 0.14~$\mathrm{nb}^{-1}$, respectively. [...]
ATLAS-CONF-2014-025. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4026.
Centrality, rapidity and ${p_{\mathrm{T}}}$ dependence of isolated prompt photon production in lead-lead collisions at $\sqrt{s_{NN} }=2.76$ TeV with the ATLAS detector at the LHC
The ATLAS experiment at the LHC has measured prompt photon production in $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV Pb+Pb collisions using data collected in 2011 with an integrated luminosity of 0.14 $\mathrm{nb}^{-1}$. [...]
ATLAS-CONF-2014-026. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4027.
Measurement of flow harmonics with multi-particle cumulants in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV with the ATLAS detector
ATLAS measurements of the azimuthal anisotropy in lead-lead collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV are shown using a dataset of approximately 7 $\mu$b$^{-1}$ collected in 2010. [...]
ATLAS-CONF-2014-027. - 2014. - 33 p.
Original Communication (restricted to ATLAS) - Full text
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4028.
Comparison of Monte Carlo generator predictions for gap fraction and jet multiplicity observables in top-antitop events
Predictions from several Monte Carlo generators are compared with each other and the data for observables in events with top-antitop quark pair at the LHC. [...]
ATL-PHYS-PUB-2014-005. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4029.
Upgrade of the ATLAS Level-1 Calorimeter Trigger / Wessels, M (Kirchhoff Inst. Phys.)
The Level-1 Calorimeter Trigger (L1Calo) of the ATLAS experiment has been operating well since the start of LHC data taking, and played a major role in the Higgs boson discovery. [...]
ATL-DAQ-PROC-2014-003. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4030.
Measurement of the production of neighbouring jets in lead-lead collisions at $\sqrt{s_{NN}}=2.76$ TeV with the ATLAS detector
This note presents the measurement of correlated production of nearby jets in Pb+Pb collisions at $\sqrt{s_{NN}}$ TeV using the ATLAS detector at the Large Hadron Collider (LHC). [...]
ATLAS-CONF-2014-028. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4031.
Update of the prospects for the H → Zγ search at the High-Luminosity LHC
This note documents updated prospects for studies of $H\to Z\gamma$ at the HL-LHC, building on the analysis documented following the European Committee for Future Accelerators workshop in 2013 with the addition of background yield corrections and more sensitive kinematic categories. [...]
ATL-PHYS-PUB-2014-006. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4032.
A Highly Parallel FPGA Implementation of a 2D-Clustering Algorithm for the ATLAS Fast TracKer (FTK) Processor / Kimura, N (Waseda U.) ; Annovi, A (INFN, Italy) ; Beretta, M (INFN, Italy) ; Gatta, M (INFN, Italy) ; Gkaitatzis, S (Aristotle U., Thessaloniki) ; Iizawa, T (Waseda U.) ; Kordas, K (Aristotle U., Thessaloniki) ; Korikawa, T (Waseda U.) ; Nikolaidis, S (Aristotle U., Thessaloniki) ; Petridou, C (Aristotle U., Thessaloniki) et al.
The highly parallel 2D-clustering FPGA implementation used for the input system of Fast TracKer (FTK) processor for the ATLAS experiment at Large Hadron Collider (LHC) at CERN is presented. [...]
ATL-DAQ-PROC-2014-004. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4033.
A hardware Track Finder (FTK) for the ATLAS Trigger
The existing trigger system of the ATLAS experiment is deployed to reduce the event rate from the bunch crossing rate of 40 MHz to < 1 KHz for permanent storage at the LHC design luminosity of 1034 cm-2 s-1. [...]
ATL-DAQ-PROC-2014-005. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4034.
Performance of the ATLAS Tile Calorimeter in pp collisions at the LHC / Fiascaris, M (Chicago U.)
The Tile Calorimeter is the central section of the ATLAS hadronic calorimeter at the Large Hadron Collider. [...]
ATL-TILECAL-PROC-2014-003. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4035.
A Scalable and Reliable Message Transport Service for the ATLAS Trigger and Data Acquisition System / Kazarov, A (CERN) ; Caprini, M (Bucharest, IFIN-HH) ; Kolos, S (UC, Irvine) ; Lehmann Miotto, G (CERN) ; Soloviev, I (UCI, Irvine, CA, USA)
The ATLAS Trigger and Data Acquisition (TDAQ) is a large distributed computing system composed of several thousands of interconnected computers and tens of thousands applications. [...]
ATL-DAQ-PROC-2014-006. - 2014. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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4036.
World-wide online monitoring interface of the ATLAS experiment / Kolos, S (UC, Irvine) ; Alexandrov, E (Dubna, JINR) ; Mineev, M (Dubna, JINR) ; Hauser, R (Michigan State U.) ; Salnikov, A (SLAC)
The ATLAS collaboration accounts for more than 3000 members located all over the world. [...]
ATL-DAQ-PROC-2014-007. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4037.
New Persistent Back-End for the ATLAS Online Information Service / Soloviev, I (UC, Irvine) ; Sicoe, A (CERN)
The Trigger and Data Acquisition (TDAQ) and detector systems of the ATLAS experiment deploy more than 3000 computers, running more than 15000 concurrent processes, to perform the selection, recording and monitoring of the proton collisions data in ATLAS. [...]
ATL-DAQ-PROC-2014-008. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4038.
Design of Main Board for ATLAS TileCal Demonstrator / Tang, F ; Akerstedt, H ; Anderson, K ; Bohm, C ; Hildebrand, K ; Muschter, S ; Oreglia, M
The TileCal Demonstrator is a prototype for a future upgrade to the ATLAS hadron calorimeter when the Large Hadron Collider increases luminosity in year 2023 (HL-LHC). [...]
ATL-TILECAL-PROC-2014-004. - 2014. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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4039.
Associative Memory computing power and its simulation. / Ancu, L S (Geneva U.) ; Annovi, A (INFN, Frascati) ; Britzger, D (DESY) ; Giannetti, P (INFN, Pisa) ; Howarth, J W (DESY) ; Luongo, C (INFN, Pisa) ; Pandini, C (Milan U.) ; Schmitt, S (DESY) ; Volpi, G (Pisa U. ; INFN, Pisa)
An important step in the ATLAS upgrade program is the installation of a tracking processor, the Fast Tracker (FTK), with the goal to identify the tracks generated from charged tracks originated by the LHC 14 TeV proton-proton. [...]
ATL-DAQ-PROC-2014-009. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4040.
Reliable and redundant FPGA based read-out design in the ATLAS TileCal Demonstrator
The Tile calorimeter at ATLAS [1] is a hadron calorimeter based on steel plates and scintillating tiles read out by PMTs. [...]
ATL-TILECAL-PROC-2014-008. - 2014. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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4041.
Performance of the ATLAS Liquid Argon Calorimeter after three years of LHC operation and plans for a future upgrade. / Strizenec, P (Kosice, IEF)
The ATLAS experiment is designed to study the proton-proton collisions produced at the Large Hadron Collider (LHC) at CERN. [...]
ATL-LARG-PROC-2014-004. - 2014. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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4042.
Charged hadron production in $p$+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV measured at high transverse momentum by the ATLAS experiment
A measurement of the charged hadron production in $p$+Pb collisions at $\sqrt{s_{\mathrm{NN}}} =5.02$ TeV in the transverse momentum range from 4 GeV to 189 GeV is presented. [...]
ATLAS-CONF-2014-029. - 2014.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4043.
ATLAS Tile Calorimeter: simulation and validation of the response / Davidek, T (Charles U.) ; Faltova, J (Charles U.)
The Tile Calorimeter (TileCal) is the central secti1 on of the ATLAS hadronic calorimeter at the Large Hadron Collider. [...]
ATL-TILECAL-PROC-2014-009. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4044.
Simulation and validation of the ATLAS Tile Calorimeter response / Karpov, S N (Dubna, JINR)
The Tile Calorimeter is the central section of the ATLAS hadronic calorimeter at the Large Hadron Collider. [...]
ATL-TILECAL-PROC-2014-010. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4045.
Micromegas Detectors for the Upgrade of the ATLAS Muon Spectrometer / Zibell, A (Wurzburg U.)
The upcoming luminosity upgrades of the LHC accelerator up to an ultimate value of $5 \times 10^{34}\, \text{cm}^{-2}\text{s}^{-1}$ require a replacement of the innermost forward muon tracking stations (Small Wheels) of the ATLAS detector in 2018 and 2019. [...]
ATL-MUON-PROC-2014-001. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4046.
Search for contact interactions and large extra dimensions in the dilepton channel using proton-proton collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector
A search is conducted for non-resonant new phenomena in dielectron and dimuon final states, originating from either contact interactions or large extra spatial dimensions. [...]
ATLAS-CONF-2014-030. - 2014. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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4047.
Search for scalar diphoton resonances in the mass range 65-600 GeV with the ATLAS detector in pp collision data at $\sqrt{s}$ = 8 TeV
A search for scalar particles decaying via narrow resonances into two photons in the mass range 65--600 GeV is performed using 20 $fb^{-1}$ of $pp$ collision data collected with the ATLAS detector at $\sqrt{s}$ = 8 TeV at the Large Hadron Collider. [...]
ATLAS-CONF-2014-031. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4048.
Electron efficiency measurements with the ATLAS detector using the 2012 LHC proton-proton collision data
This note describes the algorithms used for the reconstruction and identification of prompt electrons in the central region of the ATLAS detector for the $pp$ collisions data collected in 2012 at $\sqrt{\mathrm{s}}$ = 8 TeV. [...]
ATLAS-CONF-2014-032. - 2014. - 48 p.
Original Communication (restricted to ATLAS) - Full text
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4049.
Recent constraints on the parton distributions in the proton and the measurement of alpha_s from ATLAS and CMS / Sutton, Mark (Sussex U.)
Recent results on cross sections sensitive to the parton distribution functions (PDFs) within the proton from the ATLAS and CMS Collaborations are presented. [...]
arXiv:1406.1606 ; ATL-PHYS-PROC-2014-048. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text - Fulltext
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4050.
Hard Probes at ATLAS / Citron, Z (Weizmann Inst.)
The ATLAS collaboration has measured several hard probe observables in Pb+Pb and p+Pb collisions at the LHC. [...]
ATL-PHYS-PROC-2014-049. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4051.
IBL Stave Quality Assurance
A selection of plots and tables from the IBL Stave Quality Assurance..
ATL-INDET-PUB-2014-002. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4052.
Straight line track reconstruction for the ATLAS IBL testbeam with the EUDET telescope. / Gjersdal, Håvard (University of Oslo) ; Strandlie, Are (University of Oslo and Gjøvik University College) ; Røhne, Ole (University of Oslo)
Track reconstruction based on the Kalman filter has been implemented for straight line tracks in data taken with the EUDET beam telescope. [...]
ATL-INDET-PUB-2014-003. - 2014.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4053.
Minimum Bias Trigger Scintillators in ATLAS Run II / Sidoti, A (INFN, Roma)
The Minimum Bias Trigger Scintillators (MBTS) delivered the primary triggers for selecting events from real LHC collisions with the smallest bias for the low luminosity LHC RunI fills from 2009-2013 (proton-proton, lead-lead and lead-proton collisions). [...]
ATL-DAQ-PROC-2014-010. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4054.
Intrinsic properties of the top quark / Di Sipio, R (Bologna U.)
In this talk we review the most up-to-date results by the ATLAS Experiment on the intrinsic prop- erties of the top quark. [...]
ATL-PHYS-PROC-2014-050. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4055.
Elliptic flow phenomenon at ATLAS / Spousta, Martin (Charles U.)
We summarize measurements of elliptic flow and higher order flow harmonics performed by the ATLAS experiment at the LHC. [...]
arXiv:1406.5541. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text - Fulltext
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4056.
Sensitivity to WIMP Dark Matter in the Final States Containing Jets and Missing Transverse Momentum with the ATLAS Detector at 14 TeV LHC
This document presents a study of the sensitivity of the ATLAS mono-jet search to pair production of WIMP Dark Matter with $pp$ collision data at $\sqrt{s}=14\,$TeV in 2015 and beyond. [...]
ATL-PHYS-PUB-2014-007. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4057.
Upgrade of the Trigger System of the ATLAS Liquid Argon calorimeters / Kanaya, N (Tokyo U., ICEPP)
ATLAS detector was designed and build to study proton-proton collisions produced at the LHC at centre-of-mass energies up to 14 TeV and instantaneous luminosities up to 1034 cm-2s-1. [...]
ATL-LARG-PROC-2014-005. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4058.
Charmonium Production at ATLAS / Cheatham, S (McGill U.)
Understanding of the production of P-wave charmonium states is a significant bottleneck in the understanding of charmonium production as a whole. [...]
ATL-PHYS-PROC-2014-052. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4059.
Performance of the ATLAS Tile Hadronic Calorimeter at LHC in Run 1 and planned upgrades / Solovyanov, Oleg (Serpukhov, IHEP)
The Tile Calorimeter (TileCal) is the central section of the ATLAS hadronic calorimeter at the Large Hadron Collider, a key detector for the measurements of hadrons, jets, tau leptons and missing transverse energy. [...]
ATL-TILECAL-PROC-2014-011. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4060.
Comparison of Monte Carlo generator predictions for bottom and charm hadrons in the decays of top quarks and the fragmentation of high pT jets
Modeling of the fragmentation and decay of heavy flavor hadrons is compared for four Monte Carlo generators: Pythia8, Pythia6, Herwig ++ and Herwig. [...]
ATL-PHYS-PUB-2014-008. - 2014. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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4061.
Observation of Z-boson production via weak boson fusion at ATLAS / Pilkington, A D (University Coll. London)
A measurement of the electroweak production of dijets in association with a Z-boson was performed using ATLAS proton-proton collision data, with the background-only hypothesis rejected at greater than the 5σ level. [...]
ATL-PHYS-PROC-2014-053. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4062.
Single Top quark production cross section using the ATLAS detector at the LHC / Monini, C (LPSC, Grenoble)
We present single top quark production measurements stemming from the analysis of proton proton collision data collected by the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2014-054. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4063.
Measurement of photon and photon+jet production cross sections at 7 TeV and constraints to PDFs / Cantero, J (Madrid, Autonoma U.)
The inclusive isolated-photon production and the dynamics of isolated-photon plus jet production in pp collisions at a centre-of-mass energy of 7 TeV has been studied with the ATLAS detector at the LHC using an integrated luminosity of 4.5 fb−1 and 37 pb−1, respectively. [...]
ATL-PHYS-PROC-2014-055. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4064.
Measurement of the jet production cross section at 7 TeV / Vardanyan, G (Yerevan Phys. Inst.)
Measurements of jet production are sensitive to the strong coupling constant, next-to-leading order perturbative calculations and parton distribution functions. [...]
ATL-PHYS-PROC-2014-056. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4065.
Beyond the Standard Model Higgs Searches at the LHC / Thompson, Paul (Birmingham U.)
This article presents recent results from the ATLAS and CMS collaborations on searches for Higgs bosons from different theoretical scenarios beyond the standard model (BSM). [...]
ATL-PHYS-PROC-2014-057. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4066.
The FTK Authorlist
This is the FTK Authorlist version 1.0 (June 12, 2014)..
ATL-DAQ-PUB-2014-001. - 2014.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4067.
Searches for electroweak production of supersymmetric charginos, neutralinos and sleptons with the ATLAS detector / Nagai, R (Tokyo Inst. Tech.)
Searches are presented for the direct production of charginos, neutralinos and sleptons in final states with at least one lepton and the missing transverse momentum. [...]
ATL-PHYS-PROC-2014-058. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4068.
Measurements of the production of vector bosons in association with heavy flavour quarks at ATLAS. / Aad, G (Marseille, CPPM)
The production of heavy flavour quarks in association with a vector boson represents an important process to study quantum chromodynamics. [...]
ATL-PHYS-PROC-2014-059. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4069.
Prometeo: A portable test-bench for the upgraded front-end electronics of the ATLAS Tile calorimeter / Bullock, D (Texas U., Arlington) ; Carrio, F (Valencia U.) ; Govender, M (Witwatersrand U.) ; Hofsajer, I (Witwatersrand U.) ; Mellado, B (Witwatersrand U.) ; Moreno, P (Valencia U. ; Witwatersrand U.) ; Reed, R (Witwatersrand U.) ; Ruan, X (Witwatersrand U.) ; Sandrock, C (Witwatersrand U.) ; Solans, C (CERN) et al.
Prometeo is a portable test-bench for full certification of the front-end electronics of the ATLAS Tile calorimeter, designed for the upgrade phase-II. [...]
ATL-TILECAL-PROC-2014-012. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4070.
Irradiation effect on the response of the scintillators in the ATLAS Tile Calorimeter / Fracchia, S (Barcelona, IFAE)
The Tile Calorimeter is the central hadronic calorimeter of the ATLAS experiment at the LHC. [...]
ATL-TILECAL-PROC-2014-013. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4071.
Upgraded readout and trigger electronics for the ATLAS liquid argon calorimeters for future LHC running / Yamanaka, T (Tokyo U., ICEPP)
The ATLAS Liquid Argon (LAr) calorimeters produce almost 200K signals that must be digitized and processed by the front-end and back-end electronics at every triggered event. [...]
ATL-LARG-PROC-2014-006. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4072.
The FTK: A Hardware Track Finder for the ATLAS Trigger / Alison, J ; Ancu, L ; Anderson, J ; Andreani, A ; Andreazza, A ; Annovi, A ; Antonelli, M ; Atkinson, M ; Auerbach, B ; Baines, J et al.
The ATLAS experiment trigger system is designed to reduce the event rate, at the LHC design luminosity of 1034 cm-2 s-1, from the nominal bunch crossing rate of 40 MHz to less than 1 kHz for permanent storage. [...]
ATL-DAQ-PROC-2014-011. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4073.
Evolution of the ReadOut System of the ATLAS experiment / Borga, A (NIKHEF, Amsterdam) ; Kugel, A (Heidelberg U.) ; Joos, M (CERN) ; Schumacher, J (CERN ; Paderborn U.) ; Tremblet, L (CERN) ; Vandelli, W (CERN) ; Vermeulen, J (NIKHEF, Amsterdam) ; Werner, P (CERN) ; Wickens, F (Rutherford)
The ReadOut System (ROS) is a central and essential part of the ATLAS data-acquisition system. [...]
ATL-DAQ-PROC-2014-012. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4074.
Reliable and redundant FPGA based read-out design in the ATLAS TileCal Demonstrator / Åkerstedt, Henrik (Stockholm U. ; Stockholm U., OKC) ; Muschter, Steffen (Stockholm U.) ; Drake, Gary (Argonne) ; Anderson, Kelby (Chicago U., EFI) ; Bohm, Christian (Stockholm U.) ; Oreglia, Mark (Chicago U., EFI) ; Tang, Fukun (Chicago U., EFI)
The Tile Calorimeter at ATLAS is a hadron calorimeter based on steel plates and scintillating tiles read out by PMTs. [...]
arXiv:1406.5848. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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4075.
Top quark cross section measurements with ATLAS / Skubic, P (Oklahoma U.)
Measurements of the inclusive top quark pair production cross sections in proton-proton collisions with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2014-060. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4076.
Future evolution of the Fast TracKer (FTK) processing unit / Gentsos, C (Aristotle U., Thessaloniki) ; Crescioli, F (Paris U., VI-VII) ; Giannetti, P (INFN, Pisa) ; Magalotti, D (Modena U.) ; Nikolaidis, S (Aristotle U., Thessaloniki)
The Fast Tracker (FTK) processor [1] for the ATLAS experiment has a computing core made of 128 Processing Units that reconstruct tracks in the silicon detector in a ~100 μsec deep pipeline. [...]
ATL-DAQ-PROC-2014-013. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4077.
Irradiation tests and expected performance of readout electronics of the ATLAS hadronic endcap calorimeter for the HL-LHC / Cheplakov, A (Dubna, JINR)
The readout electronics of the ATLAS Hadronic Endcap Calorimeter (HEC) will have to withstand a much more demanding radiation environment at the future high-luminosity LHC (HL-LHC) compared to LHC design values. [...]
ATL-LARG-PROC-2014-007. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4078.
Initial upgrade of the ATLAS Level-1 Calorimeter Trigger / Ta, DB (Michigan State U.)
The Level-1 calorimeter trigger~(L1Calo) of the ATLAS experiment has been operating well since the start of Large Hadron Collider~(LHC) data taking, and played a major role in the Higgs boson discovery. [...]
ATL-DAQ-PROC-2014-014. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4079.
The Phase-I Upgrade of the ATLAS First Level Calorimeter Trigger / Hristova, I (Humboldt U., Berlin)
The level-1 calorimeter trigger (L1Calo) of the ATLAS experiment has been operating effectively since the start of LHC data taking, and has played a major role in the discovery of the Higgs boson. [...]
ATL-DAQ-PROC-2014-015. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4080.
Upgrade Analog Readout and Digitizing System for ATLAS TileCal Demonstrator / Tang, F (Chicago U., EFI) ; Akerstedt, H (Stockholm U.) ; Anderson, K (Chicago U., EFI) ; Bohm, C (Stockholm U.) ; Hildebrand, K (Chicago U., EFI) ; Muschter, S (Stockholm U.) ; Oreglia, M (Chicago U., EFI)
The TileCal Demonstrator is a prototype for a future upgrade to the ATLAS hadron calorimeter when the Large Hadron Collider increases luminosity in year 2023 (HL-LHC). [...]
ATL-TILECAL-PROC-2014-015. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4081.
A Muon Trigger with high pT-resolution for Phase-II of the LHC Upgrade, based on the ATLAS Muon Drift Tube Chambers / Nowak, S (Munich, Max Planck Inst.)
The ATLAS Muon Trigger in the ATLAS end-cap region is based on Thin Gap Chambers (TGC) which have an excellent time resolution but a moderate spatial resolution. [...]
ATL-MUON-PROC-2014-002. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4082.
Proposal of upgrade of the ATLAS muon trigger in the barrel-endcap transition region with RPCs / Massa, L (Bologna U. ; INFN, Bologna)
This report presents a project for the upgrade of the Level-1 muon trigger in the barrel-endcap transition region (1.0<|$\eta$|<1.3) of the ATLAS detector with RPC chambers. [...]
ATL-MUON-PROC-2014-003. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4083.
First measurement of associated vector boson plus prompt charmonium production at the ATLAS experiment / Leontsinis, S (Natl. Tech. U., Athens)
We present evidence of associated vector boson + prompt $J/\psi$ production and measure its production rate. [...]
ATL-PHYS-PROC-2014-061. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4084.
Firmware development and testing of the ATLAS IBL Back-Of-Crate card / Wensing, M (Wuppertal U.) ; Flick, T (Wuppertal U.) ; Mättig, P (Wuppertal U.) ; Kugel, A (Heidelberg U.) ; Falchieri, D (INFN, Bologna) ; Travaglini, R (INFN, Bologna) ; Gabrielli, A (INFN, Bologna) ; Heim, T (CERN) ; Potamianos, K (LBL, Berkeley) ; Grosse-Knetter, J (Göttingen U.) et al.
For the new innermost layer of the ATLAS Pixel-Detector at CERN new off-detector hardware needs to be developed. [...]
ATL-INDET-PROC-2014-002. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4085.
The ATLAS New Small Wheel Upgrade Project / Ntekas, K (Natl. Tech. U., Athens) ; Alexopoulos, T (Natl. Tech. U., Athens) ; Zimmermann, S (Freiburg U.)
The upgrade of the Large Hadron Collider (LHC) at CERN foresees a luminosity increase by a factor 5. [...]
ATL-MUON-PROC-2014-004. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4086.
First measurement of the associated production of $W^{\pm}$ bosons and prompt $J/\Psi$ mesons at the ATLAS experiment / Arnold, H (Freiburg U.)
The first observation of the production of a prompt $J/\Psi$ meson in association with a $W^{\pm}$ boson in a dataset collected in the year 2011 by the ATLAS detector in $\sqrt{s}= 7$ TeV $pp$ collisions at the LHC, corresponding to 4.5 fb$^{-1}$, using the $W^{\pm}\to\mu^{\pm}\nu$ and $J/\Psi\to\mu^{+}\mu^{-}$ decay modes, is reported. [...]
ATL-PHYS-PROC-2014-062. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4087.
Calibration and Monitoring of the Tile Calorimeter during LHC Run-I / Darmora, S (Texas U., Arlington)
The ATLAS hadronic calorimeter, named the Tile Calorimeter (TileCal), is a non-compensating sampling calorimeter comprised of steel and scintillating plastic tiles which are read-out by photomultiplier tubes (PMTs). [...]
ATL-TILECAL-PROC-2014-016. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4088.
LUCID upgrade / Lasagni, F (INFN, Bologna ; Bologna U.)
The upgrade of the ATLAS luminosity monitor, LUCID, is presented. [...]
ATL-FWD-PROC-2014-001. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4089.
Firmware development and testing of the ATLAS IBL Read-Out Driver card / Chen, S-P (Washington U.) ; Bindi, M (Gottingen U.) ; Falchieri, D (Bologna U. ; INFN, Bologna) ; Gabrielli, A (Bologna U. ; INFN, Bologna) ; Hauck, S (Washington U.) ; Hsu, S-C (Washington U.) ; Kretz, M (Heidelberg U.) ; Kugel, A (Heidelberg U.) ; Travaglini, R (Bologna U. ; INFN, Bologna) ; Wensing, M (Wuppertal U.)
The ATLAS Experiment is reworking and upgrading systems during the current LHC shutdown. [...]
ATL-INDET-PROC-2014-003. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4090.
ATLAS Upgrades Towards the High Luminosity LHC / Cinca, D (Glasgow U.)
After successful LHC operation at the center-of-mass energy of 7 and 8 TeV in 2011 and 2012, plans are actively advancing for a series of upgrades, culminating roughly 10 years from now in the high luminosity LHC (HL-LHC) project, delivering of order five times the LHC nominal instantaneous luminosity along with luminosity levelling. [...]
ATL-UPGRADE-PROC-2014-001. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4091.
Topology in the future ATLAS Level-1 Trigger / Kahra, C (Mainz U., Inst. Phys.)
The ATLAS experiment examines the decays of high energetic particles produced in proton-proton collisions at the Large Hadron Collider (LHC). [...]
ATL-DAQ-PROC-2014-016. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4092.
Towards a Level-1 tracking trigger for the ATLAS experiment / Cerri, A (Sussex U.)
Among the upgrades for the High-Luminosity LHC era, the ATLAS collaboration is studying and developing the availability of inner detector tracking information at the first level of its three- tiered event selection chain. [...]
ATL-DAQ-PROC-2014-017. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4093.
Study of the $\Lambda^{0}_{b}$ decay properties with the ATLAS experiment / Agatonovic Jovin, T (Belgrade, Inst. Phys.)
The measurements of the $\Lambda_b^0$ baryon decay properties are presented using $4.6 - 4.9$ fb$^{-1}$ proton-proton collisions data recorded by the ATLAS detector during 2011 LHC operation. [...]
ATL-PHYS-PROC-2014-063. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4094.
Associative Memory computing power and its simulation. / Volpi, G (INFN, Pisa)
The associative memory (AM) chip is ASIC device specifically designed to perform ``pattern matching'' at very high speed and with parallel access to memory locations. [...]
ATL-DAQ-PROC-2014-018. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4095.
Study of rare and suppressed processes in B meson decays with ATLAS / Nikolaenko, V (Serpukhov, IHEP)
The large amount of Heavy Flavor data collected by the ATLAS experiment is potentially sensitive to New Physics, which could be evident in processes that are naturally suppressed in the Standard Model. [...]
ATL-PHYS-PROC-2014-064. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4096.
Upgrading the ATLAS Tile Calorimeter electronics / Souza, J (Juiz de Fora U.)
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment at LHC. [...]
ATL-TILECAL-PROC-2014-017. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4097.
Searches for supersymmetry in resonance production, R-parity violating signatures and events with long-lived particles at LHC / Vallecorsa, S (Geneva U.)
An extended QCD sector beyond the minimal supersymmetric standard model or the admission of R-parity violation introduces new signatures to the search for supersymmetry at the LHC. [...]
ATL-PHYS-PROC-2014-065. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4098.
The Serial Link Processor for the Fast TracKer (FTK) at ATLAS / Luciano, P (INFN, Pisa ; Cassino U.) ; Annovi, A (INFN, Frascati) ; Andreani, A (INFN, Milano ; Milan U.) ; Beccherle, R (INFN, Pisa) ; Beretta, M (INFN, Frascati) ; Biesuz, N (Pisa U.) ; Billereau, W (CERN) ; Combe, J M (CERN) ; Citterio, M (INFN, Milano) ; Citraro, S (Pisa U.) et al.
The Associative Memory (AM) system of the FTK processor has been designed to perform pattern matching using the hit information of the ATLAS silicon tracker. [...]
ATL-DAQ-PROC-2014-019. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4099.
Measurement of the $W^+W^-$ production cross section in proton-proton collisions at $\sqrt{s} =8$ TeV with the ATLAS detector
This note reports a measurement of the $W^+W^-$ production cross section in $pp$ collisions at $\sqrt s =\ $8 TeV. [...]
ATLAS-CONF-2014-033. - 2014. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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4100.
Performance of the ATLAS semiconductor tracker / Alpigiani, C (Queen Mary, U. of London)
We report the operation and performance of the ATLAS Semi-Conductor Tracker (SCT) functioning in a high luminosity and high radiation environment. [...]
ATL-INDET-PROC-2014-004. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4101.
ATLAS interpretation of the combined measurements of coupling properties of the Higgs boson in terms of its production cross sections
The interpretation of the ATLAS combined measurements of coupling properties of the Higgs boson as production cross sections of the Higgs boson is presented. [...]
ATL-PHYS-PUB-2014-009. - 2014. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4102.
Search for Supersymmetry at the high luminosity LHC with the ATLAS experiment
The current searches for Supersymmetry at the LHC have yielded sensitivity to TeV scale gluinos and 1$^{\rm{st}}$ and 2$^{\rm{nd}}$ generation squarks, as well as to 3$^{\rm{rd}}$ generation squarks and electro-weakinos in the hundreds of GeV mass range. [...]
ATL-PHYS-PUB-2014-010. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4103.
A measurement of the ratio of the production cross sections for W and Z bosons in association with jets with the ATLAS detector
The ratio of the production cross sections for $W$ and $Z$ bosons in association with jets has been measured in proton--proton collisions at $\sqrt{s}=7\,\mathrm{TeV}$ with the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2014-034. - 2014. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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4104.
Measurements of the W production cross sections in association with jets with the ATLAS detector
This note presents the production cross section of the W boson in association with jets, measured in proton--proton collisions at $\sqrt{s}=7 TeV$ with the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2014-035. - 2014. - 44 p.
Original Communication (restricted to ATLAS) - Full text
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4105.
Search for pair and single production of new heavy quarks that decay to a $Z$ boson and a third generation quark in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
A search is presented for the production of new heavy quarks that decay to a $Z$ boson and a third generation Standard Model quark. [...]
ATLAS-CONF-2014-036. - 2014. - 44 p.
Original Communication (restricted to ATLAS) - Full text
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4106.
Limits on metastable gluinos from ATLAS SUSY searches at 8 TeV
In some models of supersymmetry, the gluino is metastable and travels a measurable distance in the detector (as an $R$-hadron) before decaying to quarks (or a gluon) and a neutralino. [...]
ATLAS-CONF-2014-037. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4107.
Evidence for the associated production of a vector boson (W, Z) and top quark pair in the dilepton and trilepton channels in pp collision data at $\sqrt{s}=8$ TeV collected by the ATLAS detector at the LHC
Measurements of the production cross sections of top quark pairs in association with a $W$ or $Z$ boson using a data set corresponding to 20.3 ${\rm fb}^{-1}$ of integrated luminosity collected by the ATLAS detector in 2012 are presented. [...]
ATLAS-CONF-2014-038. - 2014. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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4108.
Search for resonant diboson production in the $\ell\ell q\bar{q}$ final state in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
A search for resonances in diboson production in the $\ell\ell q\bar{q}$ final state using 20.3 fb$^{-1}$ of $pp$ collision data collected at $\sqrt{s}=8$ TeV with the ATLAS detector is reported. [...]
ATLAS-CONF-2014-039. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4109.
Prospects for the study of the Higgs boson in the VH(bb) channel at HL-LHC
This note describes a simulated analysis of Higgs boson production and decay into $b$-quarks in association with a vector boson at the ATLAS detector at the high-luminosity LHC with proton-proton collisions at $\sqrt{s}=14\;\mathrm{TeV}$. [...]
ATL-PHYS-PUB-2014-011. - 2014. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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4110.
Measurement of the total cross section from elastic scattering in $pp$ collisions at $\sqrt{s}=7$ TeV with the ATLAS detector
This paper presents a measurement of the total $pp$ cross section at the LHC at $\sqrt{s}=7$ TeV. [...]
ATLAS-CONF-2014-040. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4111.
Search for pair produced long-lived neutral particles decaying in the ATLAS hadronic calorimeter in $pp$ collisions at $\sqrt{s}= 8~\rm{TeV}$
The ATLAS detector at the Large Hadron Collider at CERN is used to search for the decay of a light scalar boson to a pair of long-lived particles, neutral under the Standard Model, in $20.3~\rm{fb}^{-1}$ of data collected in proton-proton collisions at $\sqrt{s} = 8~\rm{TeV}$. [...]
ATLAS-CONF-2014-041. - 2014. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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4112.
Determination of the off-shell Higgs boson signal strength in the high-mass ZZ final state with the ATLAS detector
The measurement of the $ZZ$ final state in the mass range above the 2$m_Z$ threshold provides a unique opportunity to measure the off-shell coupling strength of the observed Higgs boson. [...]
ATLAS-CONF-2014-042. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4113.
Search for $H\rightarrow \gamma\gamma$ produced in association with top quarks and constraints on the top quark-Higgs boson Yukawa coupling using data taken at 7 TeV and 8 TeV with the ATLAS detector
A search is performed for Higgs bosons produced in association with top quarks using the diphoton decay mode of the Higgs boson. [...]
ATLAS-CONF-2014-043. - 2014. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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4114.
Diboson Higgs and EWK measurements and triple gauge couplings with ATLAS and CMS / Protopapadaki, E. S. (Saclay)
This paper presents an overview of diboson production in pp collisions at 7 and 8 TeV center-of-mass energy based on data recorded by the ATLAS and CMS detectors at the LHC in 2011 and 2012. [...]
ATL-PHYS-PROC-2014-066. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4115.
HL-LHC projections for signal and background yield measurements of the $H\to\gamma\gamma$ when the Higgs boson is produced in association with $t$ quarks, $W$ or $Z$ bosons
In this note the expected yields and the signal significances of standard model Higgs bosons produced in association with top quarks or $Z$ or $W$ bosons are estimated. [...]
ATL-PHYS-PUB-2014-012. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4116.
Measurement of inclusive and differential fiducial cross-sections of the Higgs boson in the H → ZZ* → 4 decay channel using 20.3 fb−1 of pp collision data at sqrt(s)=8 TeV with the ATLAS detector
Measurements of inclusive and differential fiducial cross-sections of the Higgs boson in the H -> ZZ* -> 4l decay channel are presented. [...]
ATLAS-CONF-2014-044. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4117.
Measurement of three-jet production cross-sections in pp collisions at 7 TeV centre-of-mass energy using the ATLAS detector
Double-differential three-jet production cross-sections have been measured in proton-proton collisions at a centre-of-mass energy of 7 TeV using the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2014-045. - 2014. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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4118.
Calibration of the performance of $b$-tagging for $c$ and light-flavour jets in the 2012 ATLAS data
A variety of algorithms have been developed, within the ATLAS experiment at the Large Hadron Collider, to distinguish $b$-quark jets from jets containing only lighter quarks. [...]
ATLAS-CONF-2014-046. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4119.
Alignment of the ATLAS Inner Detector and its Performance in 2012
The alignment of the ATLAS Inner Detector tracking system has been tuned using advanced procedures for the analysis of the LHC sqrt{s}=8 TeV proton-proton collision data taken during 2012. [...]
ATLAS-CONF-2014-047. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4120.
The Topological Processor for the future ATLAS Level-1 Trigger: from design to commissioning / Simioni, E (Mainz U.)
The ATLAS detector at the Large Hadron Collider (LHC) is designed to measure decay properties of high energetic particles produced in the proton-proton collisions. [...]
ATL-DAQ-PROC-2014-020. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4121.
Measurement of the transverse momentum of the Z boson and NLO MC tuning / Martinez, Homero (INFN, Pavia)
A measurement of the Z/gamma* boson transverse momentum spectrum in proton-proton collisions at a center of mass energy of 7 TeV, performed by the ATLAS collaboration at LHC, is reported. [...]
ATL-PHYS-PROC-2014-067. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4122.
The Associative Memory Serial Link Processor for the Fast TracKer (FTK) at ATLAS / Andreani, A (INFN, Milano ; Milan U.) ; Annovi, A (INFN, Frascati) ; Beccherle, R (Paris U., VI-VII ; INFN, Pisa) ; Beretta, M (INFN, Frascati) ; Biesuz, N (Pisa U.) ; Billereau, W (CERN) ; Cipriani, R (INFN, Pisa ; Pisa U.) ; Citraro, S (INFN, Pisa ; Pisa U.) ; Citterio, M (INFN, Milano) ; Colombo, A (Milan U.) et al.
The Fast TracKer (FTK) is an extremely powerful and very compact processing unit, essential for efficient Level 2 trigger selection in future high-energy physics experiments at LHC. [...]
ATL-DAQ-PROC-2014-021. - 2014.
Original Communication (restricted to ATLAS) - Full text - Published version from IOP, local copy
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4123.
A Parallel FPGA Implementation for Real-Time 2D Pixel Clustering for the ATLAS Fast TracKer Processor / Sotiropoulou, C-L (Aristotle U., Thessaloniki) ; Gkaitatzis, S (Aristotle U., Thessaloniki) ; Annovi, A (Frascati) ; Beretta, M (Frascati) ; Kordas, K (Aristotle U., Thessaloniki) ; Nikolaidis, S (Aristotle U., Thessaloniki) ; Petridou, C (Aristotle U., Thessaloniki) ; Volpi, G (U. Pisa (main))
The parallel 2D pixel clustering FPGA implementation used for the input system of the ATLAS Fast TracKer (FTK) processor is presented. [...]
ATL-DAQ-PROC-2014-022. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4124.
Searches for third generation squarks with the ATLAS detector / Muanza, S G (Marseille, CPPM)
Naturalness arguments for weak-scale supersymmetry favour supersymmetric partners of the third generation quarks with masses not too far from those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2014-068. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4125.
Towards a Level-1 tracking trigger for the ATLAS experiment at the High Luminosity LHC / Martin, T A D (Warwick U.)
At the high luminosity HL-LHC, upwards of 160 individual proton-proton interactions (pileup) are expected per bunch-crossing at luminosities of around $5\times10^{34}$ cm$^{-2}$s$^{-1}$. [...]
ATL-DAQ-PROC-2014-023. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4126.
Reconstruction and Modelling of Jet Pull with the ATLAS Detector
Weighted radial moments over the constituents of a jet have previously been shown to be an experimental handle on colour connections between the initiating partons. [...]
ATLAS-CONF-2014-048. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4127.
Production of top pair events with additional radiation using the ATLAS detector at the LHC / Bellagamba, L (INFN, Bologna)
The large centre-of-mass energy available at the proton-proton collider LHC allows for the copious production of top quark pairs in association with other final state particles at high transverse momentum. [...]
ATL-PHYS-PROC-2014-069. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4128.
Higgs couplings and properties with the ATLAS detector at the LHC / Venturi, N (Toronto U.)
A review of the latest results on the main properties of the Higgs boson using the decay channels $\ensuremath{H{\rightarrow\,}\gamma\gamma}$, $\ensuremath{H {\rightarrow\,} WW^{(\ast)}{\rightarrow\,} l\nu l \nu }$, $\ensuremath{H{\rightarrow\,}ZZ^{(\ast)}}{\rightarrow\,}4l$, $\ensuremath{H{\rightarrow\,}b\bar{b}}$ and $\ensuremath{H{\rightarrow\,}\tau\tau}$ with the ATLAS experiment at the CERN Large Hadron Collider at center-of-mass energies of $\sqrt{s}=7~\tev$ and $\sqrt{s}=8~\tev$ is presented. [...]
ATL-PHYS-PROC-2014-070. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4129.
Heavy ion results with the ATLAS experiment at the LHC / Wosiek, B (Cracow, INP)
An overview of the first results on particle production in lead-lead colli- sions at sqrt(sNN) = 2.76 TeV obtained with the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2014-071. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4130.
Top quark pair properties in the production and decays of $t\bar{t}$ events at ATLAS / Schäfer, R (Wuppertal U.)
In proton-proton collisions at the LHC, pairs of top and anti-top quarks are expected to be mostly produced through gluon fusion. [...]
ATL-PHYS-PROC-2014-072. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4131.
Searches for mono-X at the LHC / Cortes-Gonzalez, Arely (Barcelona, IFAE)
If Dark Matter interacts weakly with the Standard Model it can be produced at the LHC and identified via initial state radiation (ISR) of the incoming partons. [...]
ATL-PHYS-PROC-2014-073. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4132.
Recent Electroweak Results from ATLAS / Batley, R (Cambridge U.)
Recent electroweak physics results obtained using proton-proton collision data at $\sqrt{s}=7$\,TeV and $\sqrt{s}=8$\,TeV recorded by the ATLAS experiment at the LHC are reviewed. [...]
ATL-PHYS-PROC-2014-074. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4133.
Measurement of the electroweak production cross section of dijets associated with vector bosons / Fischer, J (Wuppertal U.)
Measurement of production of vector bosons associated with two forward jets is reported based on 20 fb-1 of data at sqrt(s) = 8 TeV recorded by the ATLAS experiment. [...]
ATL-PHYS-PROC-2014-075. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4134.
A high speed serializer ASIC for ATLAS Liquid Argon calorimeter upgrade / Liu, T (Southern Methodist U.)
We have been developing a serializer application-specific integrated circuit (ASIC) based on a commercial 0.25-μm silicon-on-sapphire (SOS) CMOS technology for the ATLAS liquid argon calorimeter front-end electronics upgrade. [...]
ATL-LARG-PROC-2014-008. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4135.
Searches for Exotics with the ATLAS Detector / Solovyev, V (St. Petersburg, INP)
Searches for Exotics with the ATLAS detector at the LHC are presented. [...]
ATL-PHYS-PROC-2014-076. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4136.
Single hadron response measurements in ATLAS and evaluation of the uncertainty on the jet energy measurement / Sousa, M J (LIP, Lisbon)
Single hadron response measurements in minimum bias proton-proton collisions at a center of mass energy of $\sqrt{s}=$ 7 TeV are presented. [...]
ATL-PHYS-PROC-2014-077. - 2014. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4137.
First measurement of associated vector boson plus prompt charmonium production at the ATLAS experiment / Leontsinis, S (Natl. Tech. U., Athens ; Brookhaven)
The associated production of vector boson + prompt $J/\psi$ is a key observable to the understanding of quarkonium production mechanisms. [...]
ATL-PHYS-PROC-2014-078. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4138.
Measurement of the top quark mass and properties at the LHC / Castro, N F (LIP, Minho)
Recent measurements of top quark properties using $t\bar t$ events produced in proton-proton collisions at the Large Hadron Collider with centre of mass energies of 7 and 8 TeV and detected by the ATLAS and CMS experiments are presented. [...]
ATL-PHYS-PROC-2014-079. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4139.
Search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model in pp collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector
A search for the neutral Higgs bosons predicted by the Minimal Supersymmetric Standard Model (MSSM) is reported. [...]
ATLAS-CONF-2014-049. - 2014. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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4140.
Jet fragmentation with the ATLAS detector / Spousta, M (Charles U.)
We report on the measurements of jet fragmentation in Pb+Pb collisions with the ATLAS detector at LHC. [...]
ATL-PHYS-PROC-2014-080. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4141.
Measurements of Vector Boson Production in lead-lead and proton-lead Collisions with the ATLAS Detector / Grabowska-Bold, I (AGH-UST, Cracow)
Photons and weak bosons do not interact strongly, and thus their production yields provide direct tests of scaling with a number of binary nucleon--nucleon collisions in the heavy--ion environment. [...]
ATL-PHYS-PROC-2014-081. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4142.
Flow harmonics in Pb+Pb collisions at $\sqrt{s_{NN}}=2.76$ TeV with the ATLAS detector / Derendarz, D (Cracow, INP)
We report on the measurement of the azimuthal anisotropy of charged particles produced in lead-lead collisions at $\sqrt{s_{NN}}=2.76$ TeV. [...]
ATL-PHYS-PROC-2014-082. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4143.
Higgs and new physics at high energy / Solans Sánchez, Carlos A. (CERN)
The observation of a new particle in the search for the Standard Model (SM) Higgs boson at the LHC, reported by the ATLAS and CMS collab- orations, is a milestone in the quest to understand electroweak symmetry breaking. [...]
ATL-PHYS-PROC-2014-083 ; arXiv:1407.7377. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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4144.
Measurement of the centrality dependence of charged particle pseudorapidity distribution in proton-lead collisions at $\sqrt(s_{NN})$= 5.02 TeV with the ATLAS detector / Debbe, R R (Brookhaven) /for the ATLAS collaboration
Multiplicity distributions of charged particles as function of pseudorapidity dNch/dη have been measured by the ATLAS Collaboration in p+Pb collisions at √sNN = 5.02 TeV at the LHC. The multiplicity of charged particles was measured in |η| < 2.7 using correlation of space points into tracklets in the Pixel detector. [...]
ATL-PHYS-PROC-2014-084.- Geneva : CERN, 2014 - 4 p. - Published in : Nucl. Phys. A 931 (2014) 872-876 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 24th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions, Darmstadt, Germany, 19 - 24 May 2014, pp.872-876
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4145.
SUSY searches with the ATLAS detector / Marjanovic, M (Orsay, LAL)
proceedings for HSQCD2014
ATL-PHYS-PROC-2014-085. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4146.
Measurements of charged particle spectra and nuclear modification factor in p+Pb collisions with the ATLAS detector / Balek, P (Charles U.)
Proton-nucleus collisions provide further means for understanding the role of the initial state effects modifying the hard scattering rates. [...]
ATL-PHYS-PROC-2014-086. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4147.
Z Boson Production in p+Pb Collisions measured by the ATLAS Experiment / Citron, Z (Weizmann Inst.)
The measurement of $Z$ bosons in heavy ion collisions is an excellent tool for probing the nucleus at the partonic level. [...]
ATL-PHYS-PROC-2014-087. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4148.
Angular correlations of jets in lead-lead collisions at 2.76 TeV using the ATLAS detector at LHC / Rybar, M (Charles U.) /for the ATLAS collaboration
Highly energetic jets produced in nuclear collisions are considered to be a direct probe of hot and dense medium created in the collision. The jet measurements both at LHC and RHIC indicate a presence of "jet quenching" - strong energy loss of fast partons in the hot and dense QCD medium. [...]
ATL-PHYS-PROC-2014-088.- Geneva : CERN, 2014 - 4 p. - Published in : Nucl. Phys. A 931 (2014) 455-459 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 24th International Conference on Ultrarelativistic Nucleus-Nucleus Collisions, Darmstadt, Germany, 19 - 24 May 2014, pp.455-459
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4149.
The Latest Higgs Physics Results From The ATLAS Experiment / Smart, BH (Edinburgh U.)
The discovery of the Higgs boson has been a resounding success for particle physics, providing us with a deeper understanding of the Standard Model and the universe in which we live. [...]
ATL-PHYS-PROC-2014-089. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4150.
The Phase-2 Upgrade of the Silicon Strip Tracker of the ATLAS experiment / Kuehn, S (Freiburg U.)
The Large Hadron Collider (LHC) performs extremely well in operation. [...]
ATL-UPGRADE-PROC-2014-002. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4151.
Electroweak SUSY searches at the LHC / Legger, F (Munich U.)
Searches for the direct production of sleptons, charginos, and neutralinos from the ATLAS and CMS collaborations are presented. [...]
ATL-PHYS-PROC-2014-090. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4152.
Performance of the muon identification and reconstruction with the ATLAS detector / Leontsinis, S (Natl. Tech. U., Athens)
We present the muon reconstruction algorithms used in ATLAS during the LHC run-1 and their performances in terms of efficiency, muon momentum scale and resolution. [...]
ATL-PHYS-PROC-2014-091. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4153.
Heavy flavour studies with the ATLAS detector / Sivoklokov, S (SINP, Moscow)
Review of recent Heavy Flavour Physics results from the ATLAS experiment at the Large Hadron Collider (LHC) at CERN is presented..
ATL-PHYS-PROC-2014-092. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4154.
Studies of Higgs Boson Properties in Future LHC Runs / Okawa, H (Brookhaven Natl. Lab.)
A Higgs boson has been discovered with the Run 1 data collected at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2014-093. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4155.
Measurement of Fourier harmonics associated with the long-range correlations in ${\mbox{$p$+Pb}}$ collisions at ${\mbox{$\sqrt{s_{\mathrm{NN}}}$}}$ = 5.02 TeV with the ATLAS detector. / Radhakrishnan, S (Stony Brook U.)
Measurements of the first five azimuthal harmonics, $v_1$ to $v_5$, are presented, using 28 ${\mbox{${\rm nb}^{-1}$}}$ of $p$+Pb collisions at ${\mbox{$\sqrt{s_{\mathrm{NN}}}$}}$ = 5.02 TeV measured with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2014-094. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4156.
Centrality and rapidity dependence of inclusive jet production in $\sqrt{s_\mathrm{NN}}=5.02$~TeV $p$+Pb collisions with the ATLAS detector / Perepelitsa, D V (Brookhaven Natl. Lab.)
Measurements of reconstructed jets in high-energy proton-nucleus collisions over a wide rapidity and transverse momentum range are a fundamental probe of the partonic structure of nuclei. [...]
ATL-PHYS-PROC-2014-095. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4157.
Rare $B$ decays and processes with the ATLAS detector / Leontsinis, S (Natl. Tech. U., Athens)
We present rare $B$ decays and processes measured with the ATLAS detector. [...]
ATL-PHYS-PROC-2014-096. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4158.
Beyond Standard Model Higgs boson physics with the ATLAS experiment at the LHC / Rompotis, Nikolaos (Washington U., Seattle)
The search for evidence of beyond Standard Model Higgs bosons is an integral part of the Higgs boson studies at the LHC. [...]
arXiv:1408.3521 ; ATL-PHYS-PROC-2014-097. - 2014. - 6 p.
pdf from ECONF - Fulltext - Preprint - Full text
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4159.
Centrality, rapidity and $p_{\mathrm{T}}$ dependence of isolated prompt photon production in lead-lead collisions at $\sqrt{s_{\mathrm{NN}}}$=2.76 TeV with the ATLAS detector at the LHC / Steinberg, P (Brookhaven Natl. Lab.)
The ATLAS experiment at the LHC has measured prompt photon production in $\sqrt{s_{\mathrm{NN}}}$=2.76 TeV Pb+Pb collisions using data collected in 2011 with an integrated luminosity of 0.14 $\mathrm{nb}^{-1}$. [...]
ATL-PHYS-PROC-2014-098. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4160.
Flavor Tagging with Track Jets in Boosted Topologies with the ATLAS Detector
The ability to resolve and b-tag heavy flavor jets produced from the decay of boosted heavy particles, such as top quarks or Higgs bosons, is vital for the identification of new physics signatures as the LHC moves to higher energies and luminosities in 2015. [...]
ATL-PHYS-PUB-2014-013. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4161.
$b$-tagging in dense environments
This note note describes the performance of the common ATLAS $b$-tagging algorithms in the context of dense environments as they can be found in the decay of boosted top quarks into jets and addresses the problems related to such conditions. [...]
ATL-PHYS-PUB-2014-014. - 2014. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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4162.
Search for squarks and gluinos with the ATLAS detector in final states with jets and missing transverse momentum using 20.3 $fb^{-1}$ of $\sqrt{s}$ = 8 TeV proton-proton collision data / Marjanovic, M (Orsay, LAL)
Weak scale supersymmetry is one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2014-099. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4163.
Measurement correlations between elliptic and higher-order flow harmonics in 2.76 TeV Pb+Pb collisions using the ATLAS detector / Mohapatra, S (Colombia U.)
Measurement of correlations between elliptic and higher order flow harmonics in 2.76 TeV Pb+Pb collisions are presented. [...]
ATL-PHYS-PROC-2014-100. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4164.
Inclusive searches for squarks and gluinos with the ATLAS detector / Vranjes Milosavljevic, Marija (NIKHEF, Amsterdam)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
arXiv:1408.5776 ; ATL-PHYS-PROC-2014-101. - 2014. - 6 p.
pdf from ECONF - Full text - Fulltext - Full text
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4165.
ATLAS results on top properties / Derue, F (Paris U., VI-VII)
Recent measurements of top quark properties using $t{\bar t}$ events produced in proton-proton collisions at the Large Hadron Collider with centre of mass energies of 7 and 8 TeV and detected by the ATLAS experiment are presented. [...]
ATL-PHYS-PROC-2014-102. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4166.
Jet Charge with the ATLAS Detector using $\sqrt{s}=8$ TeV $pp$ Collision Data / Nachman, Benjamin (SLAC)
The momentum-weighted sum of the charges of tracks associated to a jet provides an experimental handle on the electric charge of fundamental strongly-interacting particles. [...]
arXiv:1409.0318 ; ATL-PHYS-PROC-2014-103. - 2014. - 6 p.
pdf from ECONF - Full text - Full text
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4167.
ATLAS Physics Results (not Higgs) / Weidberg, A R (Oxford U.)
These proceedings give a review of some of the non-Higgs physics results from ATLAS. [...]
ATL-PHYS-PROC-2014-104. - 2015. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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4168.
Search for long-lived particles with the ATLAS detector / Yamamoto, Shimpei (Tokyo U., ICEPP)
Several scenarios beyond the Standard Model predict heavy long-lived particles as a result of a kinematic constraint, a conserved quantum number or a weak coupling [...]
arXiv:1408.6360 ; ATL-PHYS-PROC-2014-105. - 2014. - 6 p.
pdf from ECONF - Fulltext - Preprint - Full text
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4169.
A Leakage Current-based Measurement of the Radiation Damage in the ATLAS Pixel Detector
A measurement has been made of the radiation damage incurred by the ATLAS Pixel Detector barrel silicon modules from the beginning of operations through the end of 2012. [...]
ATL-INDET-PUB-2014-004. - 2014. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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4170.
Overview of Triple and Quartic Gauge Coupling Measurements at the LHC / Kubota, T (Melbourne U.)
Scrutiny of the structure of electroweak gauge boson self-interactions through triple and quartic gauge boson couplings (TGCs and QGCs) constitutes an important part of the physics program of the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2014-106. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4171.
Search for Supersymmetry in the 4-lepton final state with the ATLAS detector / Goblirsch-Kolb, Maximilian (Munich, Max Planck Inst.)
The four-lepton final state, rare in standard model processes, is an attractive channel for new physics searches at the LHC. [...]
arXiv:1408.6832 ; ATL-PHYS-PROC-2014-107. - 2014. - 4 p.
pdf from ECONF - Full text - Full text
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4172.
ATLAS upgrades for the next decades / Hopkins, Walter (Oregon U.)
After the successful LHC operation at the center-of-mass energies of 7 and 8 TeV in 2010-2012, plans are actively advancing for a series of upgrades of the accelerator, culminating roughly ten years from now in the high-luminosity LHC (HL-LHC) project, delivering of the order of five times the LHC nominal instantaneous luminosity along with luminosity leveling. [...]
ATL-UPGRADE-PROC-2014-003 ; arXiv:1408.6779 ; ATL-UPGRADE-PROC-2014-003. - 2014. - 5 p.
pdf from ECONF - Preprint - Full text
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4173.
Physics with boosted top quarks / Bergeaas Kuutmann, Elin (Uppsala U.)
Studies of the production and decay of boosted top quarks, top quarks at very high transverse momenta ($p_{\mathrm{T}} \gg 2 \cdot m_{\mathrm{top}}$), is a promising search channel for phenomena beyond the Standard Model. [...]
ATL-PHYS-PROC-2014-108. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4174.
Proceeding for LHCP2014 Poster: Search for direct pair production of the top squark in all-hadronic final states in proton-proton collisions at √s = 8 TeV with the ATLAS detector / Wanotayaroj, Chaowaroj (Oregon U.)
The results of a search for direct pair production of the scalar partner to the top quark using an integrated luminosity of $20.1 \rm{fb}^{-1}$ of proton-proton collision data at $\sqrt{s}=8$ TeV recorded with the ATLAS detector at the LHC are reported. [...]
arXiv:1408.6975 ; ATL-PHYS-PROC-2014-109. - 2014. - 4 p.
pdf from ECONF - Preprint - Fulltext - Full text
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4175.
Muon Reconstruction Efficiency, Momentum Scale and Resolution in pp Collisions at 8 TeV with ATLAS / Goblirsch-Kolb, Maximilian (Munich, Max Planck Inst.)
The ATLAS experiment identifies and reconstructs muons with two high precision tracking systems, the Inner Detector and the Muon Spectrometer, which provide independent measurements of the muon momentum. [...]
arXiv:1408.7086 ; ATL-PHYS-PROC-2014-110. - 2014. - 4 p.
pdf from ECONF - Preprint - Fulltext - Full text
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4176.
Reconstruction and identification of hadronic decays of tau leptons in ATLAS / Zinonos, Zinonas (Gottingen U., II. Phys. Inst.)
Hadronically decaying tau leptons are of prime importance in numerous physics analyses in ATLAS. [...]
arXiv:1409.0343 ; ATL-PHYS-PROC-2014-111. - 2014. - 5 p.
pdf from ECONF - Full text - Full text
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4177.
Top quark production in the ATLAS detector of the LHC / Thomas, JP (Birmingham U.)
An overview of recent measurements of top quark production in the ATLAS detector at LHC is presented, using 2011 data at 7TeV and 2012 data at 8TeV..
ATL-PHYS-PROC-2014-112. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4178.
Production of quarkonium states at the ATLAS experiment / Kartvelishvili, V (Lancaster U.)
An overview is given of recent measurements of the production of various heavy quarkonium states in $pp$ collisions at $\sqrt{s} = 7$~TeV, using the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2014-113. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4179.
Performance and operation of the ATLAS Resistive Plate Chamber system in LHC Run-1 / Boscherini, D (INFN, Bologna)
The barrel region of the ATLAS muon spectrometer is instrumented with a Resistive Plate Chamber (RPC) system covering the pseudo-rapidity range |η|<1.05 with a detector surface of almost 4000 m2. [...]
ATL-MUON-PROC-2014-005. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4180.
Performance of the First Version of VMM Front-End ASIC with Resistive Micromegas Detectors
This note describes the performance of the first version of a front end ASIC, VMM1, being developed for the Micromegas and sTGC detectors of the ATLAS New Small Wheel (NSW) upgrade. [...]
ATL-UPGRADE-PUB-2014-001. - 2014. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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4181.
Edge-mounting locking mechanics for barrel strip staves for the ATLAS phase II upgrade
This report describes the development of an edge-mounting mechanism for the interface between a stave and its support cylinder for the barrel strip staves of the phase II ATLAS upgrade. [...]
ATL-UPGRADE-PUB-2014-002. - 2014. - 47 p.
Original Communication (restricted to ATLAS) - Full text
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4182.
Radiation background studies for the Phase II inner tracker upgrade.
Radiation background simulations have been performed using PYTHIA8 and FLUKA for the ATLAS Phase II tracker upgrade at the HL-LHC. [...]
ATL-UPGRADE-PUB-2014-003. - 2014. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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4183.
Using the size of clusters in the ATLAS pixel detector to reject spurious clusters and provide initial estimate of track's direction and position along the beam line.
This note presents a study of the pixel cluster size for the ATLAS Pixel detector, including newly installed IBL layer. [...]
ATL-INDET-PUB-2014-005. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4184.
Top quark mass measurements in ATLAS / Marti-Garcia, S (Valencia U., IFIC)
The top quark is a fundamental constituent of the Standard Model (SM). [...]
ATL-PHYS-PROC-2014-114. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4185.
Electroweak production of $Z$jj and $W^{\pm}W^{\pm}$jj states at the LHC / Pagan Griso, S. (LBNL, Berkeley)
Measurements of fiducial cross sections for the electroweak production of two jets in association with a $Z$ boson and in association with a pair of same-electric-charge $W$ bosons are presented. [...]
arXiv:1409.2337 ; ATL-PHYS-PROC-2014-115. - 2014. - 7 p.
pdf from ECONF - Preprint - Fulltext - Full text
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4186.
Recent Results on Soft QCD at ATLAS / Milstead, D
The ATLAS experiment at the Large Hadron Collider has produced a number of measurements of final state observables which are sensitive to soft processes mediated by the strong force. [...]
ATL-PHYS-PROC-2014-116. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4187.
Heavy flavour production with ATLAS detector at LHC / Canale, V (Naples U. ; INFN, Napoli)
We present some recent results on heavy flavour production obtained with ATLAS during the LHC runs in 2011-2012..
ATL-PHYS-PROC-2014-117. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4188.
$B$-hadrons spectroscopy and decay properties with the ATLAS experiment / Jakoubek, T (Prague, Inst. Phys.)
The parity violating asymmetry parameter $\alpha_b$ in $\Lambda_b \rightarrow \Lambda J/\psi$ decay was measured using the ATLAS detector in proton-proton collisions at the Large Hadron Collider at $\sqrt{s} = 7$~TeV, using data collected in the 2011 run. [...]
ATL-PHYS-PROC-2014-118. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4189.
Measurements of top quark properties at the LHC / Lysak, R
The latest measurements of the top quark properties performed by the ATLAS and CMS collaborations are presented. [...]
ATL-PHYS-PROC-2014-119. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4190.
ATLAS measurements of vector boson production, inclusive and with associated jets / Orlando, N (INFN, Lecce)
The most recent measurements of inclusive vector boson production and vector boson production in association with jets and heavy flavours with the ATLAS experiment are summarised. [...]
ATL-PHYS-PROC-2014-120. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4191.
Quarkonia Production and Polarization at the Hadron Colliders / Fulsom, B (SLAC)
This talk presents a review of recent results for quarkonium production at the LHC from ATLAS, CMS, LHCb, and ALICE. [...]
ATL-PHYS-PROC-2014-121. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4192.
Monitoring and Control System of the ATLAS RPCs in view of Run-2 / Polini, A (INFN, Bologna)
Resistive Plate Chambers provide the barrel region of the ATLAS detector with an independent muon trigger and a two-coordinate measurement. [...]
ATL-MUON-PROC-2014-006. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4193.
The ATLAS Tau Trigger Performance during LHC Run1 and Prospects for Run2 / Sakurai, Y (Waseda U.)
Triggering on hadronic tau decays is essential for a wide variety of analyses of interesting physics processes at ATLAS. [...]
ATL-DAQ-PROC-2014-024. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4194.
ATLAS Pixel IBL: Stave Quality Assurance
For Run 2 of the LHC a fourth innermost Pixel Detector layer on a smaller radius beam pipe has been installed in the ATLAS Detector to add redundancy against radiation damage of the current Pixel Detector and to ensure a high quality tracking and b-tagging performance of the Inner Detector over the coming years until the High Luminosity Upgrade. [...]
ATL-INDET-PUB-2014-006. - 2014. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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4195.
Searches for vector-like quarks and $t\bar{t}$ resonances with the ATLAS detector / Álvarez González, Bárbara (Unlisted) ; Schwienhorst, R (Michigan State U.)
Searches for vector-like quarks and $t\bar{t}$ resonances are performed with the ATLAS experiment at the Large Hadron Collider using an integrated luminosity of 14.3 fb$^{-1}$ of proton-proton collisions recorded in 2012 at a center-of-mass energy of $\sqrt{s} = $ 8 TeV. [...]
arXiv:1409.3340 ; ATL-PHYS-PROC-2014-122. - 2014. - 6 p.
pdf from ECONF - Full text - Full text
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4196.
SUSY Searches : lessons from the first LHC Run / Pralavorio, P (Marseille, CPPM)
A review of direct searches for new particles predicted by electroweak scale Supersymmetry after the first run of the LHC is proposed, with emphasis on the latest results obtained by the time of the conference..
ATL-PHYS-PROC-2014-123. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4197.
Searches for electroweak production of supersymmetric gauginos and sleptons with the ATLAS detector / Sforza, Federico (Munich, Max Planck Inst.)
Many supersymmetry models feature gauginos and also sleptons with masses less than a few hundred GeV. [...]
arXiv:1409.3030 ; ATL-PHYS-PROC-2014-124 ; ATL-PHYS-PROC-2014-124. - 2014. - 6 p.
pdf from ECONF - Full text - Fulltext - Full text
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4198.
Latest Higgs Physics Results from ATLAS / Kroseberg, J (Bonn U.)
Selected recent results on Higgs boson physics obtained with the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2014-125. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4199.
STUDIES OF HIGGS BOSON PROPERTIES IN FUTURE LHC RUNS (SNOWMASS & ECFA STUDIES) / Konoplich, R (New York U.)
This presentation discusses the prospects for measurement (with the ATLAS and CMS detectors) of the Higgs boson quantum numbers, its self-coupling, couplings to gauge bosons and fermions, possible CP-mixing in the Higgs sector and also prospects of searching for rare Higgs boson decays and additional BSM Higgs bosons in future LHC runs with $300 fb^{-1}$ and $3000 fb^{-1}$ of integrated luminosity..
ATL-PHYS-PROC-2014-126. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4200.
Combined measurements of the properties of the Higgs boson using the ATLAS detector / Aperio Bella, L. (Birmingham U.)
The combined measurement of the mass, couplings and spin-CP properties of the recently discovered Higgs boson obtained with the ATLAS detector using up to $25$ fb$^{-1}$ of $7$ TeV and $8$ TeV $pp$ collision data is reviewed..
arXiv:1409.3460 ; ATL-PHYS-PROC-2014-127. - 2014. - 7 p.
pdf from ECONF - Full text - Full text
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4201.
Measurement of the total cross section from elastic scattering in $pp$ collisions at $\sqrt{s}=7$TeV with the ATLAS detector / Stenzel, H (Giessen U.)
In this contribution a measurement of the total $pp$ cross section with the ATLAS detector at the LHC at $\sqrt{s}=7$TeV is presented. [...]
ATL-PHYS-PROC-2014-128. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4202.
The LHC: Past, Present and Future / Tovey, D R (Sheffield U.)
Recent results from experiments (ALICE, ATLAS, CMS, LHCb, LHCf and TOTEM) at run-1 of the Large Hadron Collider are reviewed along with the current status of the machine and experiments and physics prospects for run-2 and beyond..
ATL-PHYS-PROC-2014-129. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4203.
Searches for new physics in events with multiple leptons with the ATLAS detector / Fiorini, L (Valencia U., IFIC)
Events containing several leptons are useful probes of new phenomena due to the low background from Standard Model processes. [...]
ATL-PHYS-PROC-2014-130. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4204.
Top quark production in the ATLAS detector of the LHC / Hirose, M (Tokyo Inst. Tech.)
Top quark has re-discovered at LHC in 2010 by the CMS and the ATLAS experiments. [...]
ATL-PHYS-PROC-2014-131. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4205.
New physics searches with heavy flavour with the ATLAS experiment / Chalupkova, I (Charles U.)
Flavour changing neutral currents and precision measurements of CP violation are investigated by the ATLAS experiment at the Large Hadron Collider at CERN as probes to physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2014-132. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4206.
Recent QCD Results from ATLAS / Meyer, Chris (Pennsylvania U.)
Recent QCD results from ATLAS taken at $\sqrt{s} = 7$ TeV using the LHC are presented, including: dijet production, isolated photon production, isolated photon production associated with jets, jet shapes in top-quark pair events, the production cross-section of the $\phi$(1020) meson, and underlying event in jet events. [...]
arXiv:1409.4399 ; ATL-PHYS-PROC-2014-133. - 2014. - 6 p.
pdf from ECONF - Preprint - Fulltext - Full text
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4207.
Top pair production at $\sqrt{s}=8$ TeV / Delsart, P-A (LPSC, Grenoble)
We report on several results of the ATLAS and CMS experiments about the top-antitop production in $pp$ collisions at $\sqrt{s}=8$ TeV. [...]
ATL-PHYS-PROC-2014-134. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4208.
Measurement of properties of the Higgs boson in bosonic decay channels using the ATLAS detector / Lenzi, Bruno (CERN)
The properties of the Higgs boson measured in bosonic decay channels ($H \rightarrow \gamma\gamma$, $H \rightarrow 4\ell$, $H \rightarrow WW^{*} \rightarrow \ell\nu\ell\nu$, $H \rightarrow Z\gamma$) with the full $pp$ collision data from the Large Hadron Collider run-1, collected by the ATLAS experiment are presented. [...]
ATL-PHYS-PROC-2014-135 ; arXiv:1409.4336. - 2014. - 6 p.
pdf from ECONF - Preprint - Full text
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4209.
B hadron production and decay at ATLAS / Bouhova-Thacker, E (Lancaster U.)
Selected recent B-physics results published by the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2014-136. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4210.
Measurements of vector bosons with charm and beauty at ATLAS / Watson, M F (Birmingham U.)
Several recent results on the associated production of vector bosons and heavy flavour are presented..
ATL-PHYS-PROC-2014-137. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4211.
ATLAS measurements of multi-boson production / Hays, Christopher (Oxford U.)
Measurements of electroweak gauge-boson pair-production in sqrt(s) = 7 and 8 TeV pp collisions at the LHC probe self-couplings and interference effects to an accuracy of O(10%) or better. [...]
arXiv:1410.4714 ; ATL-PHYS-PROC-2014-138. - 2014. - 6 p.
pdf from ECONF - Full text - Fulltext - Full text
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4212.
The ATLAS upgrade program / Gemme, C (INFN, Genova)
After the rst successful LHC run in 2010-2012, plans are actively advancing for a series of upgrades leading eventually to about ve times the design-luminosity in about ten years. [...]
ATL-UPGRADE-PROC-2014-004. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4213.
Electroweak tests at the LHC / Vranjes, N (IRFU, Saclay)
Some recent electroweak physics results obtained with the ATLAS and CMS experiments are reviewed. [...]
ATL-PHYS-PROC-2014-139. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4214.
Search for charged Higgs bosons decaying via $H^{\pm} \rightarrow \tau^{\pm} \nu$ in hadronic final states using $pp$ collision data at $\sqrt{s} = 8~\mbox{TeV}$ with the ATLAS detector
The results of a search for charged Higgs bosons decaying to a tau lepton and a neutrino, $H^{\pm} \to \tau^{\pm} \nu$, are presented. [...]
ATLAS-CONF-2014-050. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4215.
Search for New Physics with Top quarks in ATLAS at 8 TeV (tbbar, ttbar, vector-like quarks) / Calvet, D (Clermont-Ferrand U.)
Proceedings for the talk "Searches for vector-like quarks, tt and tb resonances with the ATLAS detector" at PANIC2014
ATL-PHYS-PROC-2014-140. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4216.
Evolution of the ATLAS Trigger and Data Acquisition System / Pozo Astigarraga, M E (CERN)
ATLAS is a Physics experiment that explores high-energy particle collisions at the Large Hadron Collider at CERN. [...]
ATL-DAQ-PROC-2014-025. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4217.
BSM Higgs boson searches at LHC and the Tevatron / Davey, William (Bonn U.)
A review of the current experimental results on searches for Higgs bosons in models beyond the Standard Model is presented. [...]
ATL-PHYS-PROC-2014-141 ; arXiv:1409.6016. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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4218.
ATLAS computing challenges before the next LHC run / Barberis, D (Genoa U. ; INFN, Genoa)
ATLAS software and computing is in a period of intensive evolution. [...]
ATL-SOFT-PROC-2014-004. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4219.
The performance and development for the Inner Detector Trigger algorithms at ATLAS / Penc, O (Prague, Inst. Phys.)
A redesign of the tracking algorithms for the ATLAS trigger for LHC's Run 2 starting in 2015 is in progress. [...]
ATL-DAQ-PROC-2014-026. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4220.
The Pixel Detector of the ATLAS experiment for the Run 2 at the Large Hadron Collider / Oide, H (CERN)
The Pixel Detector of the ATLAS experiment has shown excellent performance during the whole Run 1 of LHC. [...]
ATL-INDET-PROC-2014-005. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from IOP, local copy
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4221.
ATLAS Sensitivity to WIMP Dark Matter in the Monojet Topology at $\sqrt{s}=14\,\mathrm{TeV}$ / Schramm, S (Toronto U.)
Searches for monojet plus missing transverse momentum signatures are sensitive to new phenomena involving invisible particles, such as the pair-production of dark matter, one particularly well motivated possibility. [...]
ATL-PHYS-PROC-2014-142. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4222.
Measurements of hard probes of the quark-gluon plasma with the ATLAS experiment at the LHC / Wosiek, B (Cracow, INP)
ATLAS results on the production of high-transverse momentum probes in Pb+Pb and p+Pb collisions at the LHC are presented. [...]
ATL-PHYS-PROC-2014-143. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4223.
Precision measurements of the Top quark with the ATLAS experiment / Amor dos Santos, S (LIP, Coimbra)
The top quark is the heaviest known fundamental particle. [...]
ATL-PHYS-PROC-2014-144. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4224.
Searches for long-lived particles, lepton-jets, stable and meta-stable particles with the ATLAS detector / King, MGL (CERN)
Several proposed extensions to the Standard Model, such as certain supersymmetric scenarios, predict new phenomena such as long-lived particles and sectors of hidden particles. [...]
ATL-PHYS-PROC-2014-145. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4225.
Top-quark mass measurements using the ATLAS detector at the LHC / Yau Wong, Kaven (Bonn U.)
The most recent results of the top-quark mass measurements with the ATLAS detector using data collected from proton-proton collisions at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2014-146. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4226.
Search for Dark Matter and Extra Dimensions with the ATLAS and CMS Detectors at the LHC / Vivarelli, I (Sussex U.)
A review of recent results on the search for dark matter particles production and extra dimensions in proton-proton collisions at $\sqrt{s} = 8$ TeV is presented. [...]
ATL-PHYS-PROC-2014-147. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4227.
Inclusive SUSY searches at the LHC / Henrot-Versille, S (Orsay, LAL)
The status of the inclusive SUSY searches performed at the LHC by the ATLAS and CMS experiments is presented hereafter. [...]
ATL-PHYS-PROC-2014-148. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4228.
Mixing and CP violation in the $B_{s}$ system with ATLAS / Bartos, P (Comenius U.)
The different amplitudes contributing to the decay of $B_{s}$ into $J/\psi\phi(\mu^{+}\mu^{-}K^{+}K^{-})$ can be studied with a combined analysis of decay time and angular correlations. [...]
ATL-PHYS-PROC-2014-149. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4229.
The Error Reporting in the ATLAS TDAQ System / Kolos, S (UC Irvine) ; Kazarov, A (CERN) ; Papaevgeniou, L (CERN)
The ATLAS Error Reporting feature, which is used in the TDAQ environment, provides a service that allows experts and shift crew to track and address errors relating to the data taking components and applications. [...]
ATL-DAQ-PROC-2014-027. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4230.
Search for new phenomena in events with a photon and missing transverse momentum in $pp$ collisions at $\sqrt{s}=8$~TeV with the ATLAS detector
Results of a search for new phenomena in events with an energetic photon and large missing transverse momentum with the ATLAS experiment at the LHC are reported. [...]
ATLAS-CONF-2014-051. - 2014. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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4231.
Intelligent operations of the data acquisition system of the ATLAS experiment at the LHC / Anders, G (CERN) ; Avolio, G (CERN) ; Lehmann Miotto, G (CERN) ; Magnoni, L (CERN)
The ATLAS experiment at the Large Hadron Collider at CERN relies on a complex and highly distributed Trigger and Data Acquisition (TDAQ) system to gather and select particle collision data obtained at unprecedented energy and rates. [...]
ATL-DAQ-PROC-2014-028. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4232.
Multilevel Workflow System in the ATLAS Experiment / Borodin, M (Moscow Phys. Eng. Inst.) ; Garcia Navarro, J (Valencia U., IFIC) ; Golubkov, D (Serpukhov, IHEP) ; Klimentov, A (Brookhaven) ; Maeno, T (Brookhaven) ; Vaniachine, A (Argonne)
The ATLAS experiment is scaling up Big Data processing for the next LHC run using a multilevel workflow system comprised of many layers. [...]
ATL-SOFT-PROC-2014-005. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4233.
Data-flow Performance Optimisation on Unreliable Networks: the ATLAS Data-Acquisition Case / Colombo, T (CERN ; Heidelberg U.)
Abstract The ATLAS detector at CERN records proton-proton collisions delivered by the Large Hadron Collider (LHC). [...]
ATL-DAQ-PROC-2014-029. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4234.
Recent ATLAS results in the field of meson physics / Wang, R (New Mexico U.)
Recent results on flavor physics are presented, using data from the ATLAS detector. [...]
ATL-PHYS-PROC-2014-150. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4235.
Top quark studies with the ATLAS detector / Tokar, S (Comenius U.)
Review of the latest experimental results concerning the top quark physics obtained by the ATLAS Collaboration using the data produced in $pp$ collisions at $\sqrt{s} =$~7 and 8~TeV is presented. [...]
ATL-PHYS-PROC-2014-151. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4236.
Measurements of vector-boson production in ATLAS and CMS / Vincter, M (Carleton U.)
Vector-boson production in p-p collisions in LHC Run-1 has been extensively studied by ATLAS and CMS. [...]
ATL-PHYS-PROC-2014-152. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4237.
Combination of cross-section measurements for associated production of a single top-quark and a W boson at $\sqrt{s}=8$ TeV with the ATLAS and CMS experiments
A combination of cross-section measurements for the associated production of a top quark and a $W$ boson in proton-proton collisions at $\sqrt{s}=8$ TeV by the ATLAS and CMS experiments is presented. [...]
ATLAS-CONF-2014-052. - 2014. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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4238.
Latest results on flavour physics from ATLAS / Boldyrev, A (SINP, Moscow)
Recent results on heavy flavour physics using data from the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2014-153. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4239.
ATLAS QCD measurements for Higgs studies and New Physics searches / Proissl, M (Edinburgh U.)
Our understanding of the modelling of Standard Model processes plays an important role for Higgs physics and searches beyond the Standard Model. [...]
ATL-PHYS-PROC-2014-154. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text - EDP Sciences Open Access article
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4240.
Determination of the top-quark pole mass using tt+1-jet events collected with the ATLAS experiment in 7 TeV pp collisions
The normalized differential cross section of top-quark pair production in association with jets in the semileptonic ($e,\mu+$jets) top-quark pair decay channel has been investigated as a function of the nverse of the invariant mass of the $t\bar{t}+1-$jet system. [...]
ATLAS-CONF-2014-053. - 2014. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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4241.
Combination of ATLAS and CMS top quark pair cross section measurements in the $e\mu$ final state using proton-proton collisions at $\sqrt{s}$= 8 TeV
A combination of top-quark pair production cross-section ($\sigma_{\rm t\bar t}$) measurements at a centre-of-mass energy of 8 TeV performed by the ATLAS and CMS experiments at the LHC in the di-lepton channels is presented. [...]
ATLAS-CONF-2014-054. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4242.
Measurement of the top quark mass in topologies enhanced with single top-quarks produced in the t-channel in $\sqrt{s}=8\,\mathrm{TeV}$ ATLAS data
This note presents a measurement of the top quark mass in topologies enhanced with single top quarks produced in the $t$-channel via weak interaction produced via weak interactions. [...]
ATLAS-CONF-2014-055. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4243.
Measurement of spin correlation in top–antitop quark events and search for top squark pair production in proton–proton collisions at $\sqrt{s}$=8 TeV using the ATLAS detector
A measurement of spin correlation in $t\bar{t}$ production is presented using data collected with the ATLAS detector at the Large Hadron Collider (LHC) in proton--proton collisions at a center-of-mass energy of $8$ TeV, corresponding to an integrated luminosity of $20.3$~fb$^{-1}$. [...]
ATLAS-CONF-2014-056. - 2014. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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4244.
Measurement of the differential cross-section of highly boosted top quarks as a function of their transverse momentum using the ATLAS detector in $\sqrt{s}$ = 8 TeV proton-proton collisions
The differential cross-section for boosted top quark pair production is measured in 20.3~\ifb\ of proton-proton collisions at a center-of-mass energy of 8 TeV. [...]
ATLAS-CONF-2014-057. - 2014. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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4245.
Developments in the ATLAS Tracking Software ahead of LHC Run 2 / Styles, N (DESY) ; Bellomo, M (Massachusetts U.) ; Salzburger, A (CERN)
After a hugely successful first run, the Large Hadron Collider (LHC) is currently in a shut-down period, during which essential maintenance and upgrades are being performed on the accelerator. [...]
ATL-SOFT-PROC-2014-006. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4246.
Estimation of non-prompt and fake lepton backgrounds in final states with top quarks produced in proton-proton collisions at \sqrt{s}=8~TeV with the ATLAS detector
This note presents methods for estimating non-prompt and fake lepton backgrounds developed in the context of top analyses using the ATLAS detector. [...]
ATLAS-CONF-2014-058. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4247.
Soft Probes of the Quark-Gluon Plasma in ATLAS / Wozniak, K W (Cracow, INP)
Measurements of low-$p_{_{\rm T}}$ ($<$ 5 GeV) particles in Pb+Pb collisions at the LHC provide valuable insight in the production and evolution of the quark-gluon plasma. [...]
ATL-PHYS-PROC-2014-155. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4248.
Differential top–antitop production cross-section measurements in pp collisions at $\sqrt{s} = 7$ TeV as a function of pseudo-top-quark observables in the single-lepton channel using the ATLAS detector
The differential top-quark pair production cross-section is presented in terms of a top-quark proxy observable referred to as the pseudo-top-quark whose dependence on theoretical models is minimal. [...]
ATLAS-CONF-2014-059. - 2014. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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4249.
Dark sector searches using the Higgs boson in ATLAS / Baker, O (Yale U.) ; Lagouri, T (Yale U.)
Observational and experimental data from astrophysics, cosmology, and particle physics strongly support the possible existence of new phenomena that are beyond the standard model of particle physics. [...]
ATL-PHYS-PROC-2014-156. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4250.
Recent results on soft probes of the Quark-Gluon Plasma from the ATLAS experiment at the LHC / Przybycien, M (AGH-UST, Cracow)
Measurements of low-$p_\mathrm{T}$ particle production have provided valuable insight on the production and evolution of the quark-gluon plasma in Pb+Pb collisions at the LHC. [...]
ATL-PHYS-PROC-2014-157. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4251.
ATLAS jet and missing-ET reconstruction, calibration, and performance / Berta, P (Charles U.)
The ATLAS experiment has achieved a very high precision on jet and missing transverse energy performance by the use of advanced calorimeter-based topological clustering and local cluster calibration, event-by-event pile-up subtraction methods, and in situ techniques to correct for the residual jet energy response difference between data and simulation. [...]
ATL-PHYS-PROC-2014-158. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4252.
Search for Strongly-Produced Supersymmetric Particles in Decays with Two Leptons at $\sqrt{s}=8~TeV$ / Romero Adam, E (Valencia U., IFIC)
This contribution presents a search for squarks and gluinos in final states containing two isolated electrons or muons using the $20.3~fb^{-1}$ of $\sqrt{s}=8~TeV$ proton-proton collisions recorded by the ATLAS detector at the LHC during 2012. [...]
ATL-PHYS-PROC-2014-159. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4253.
Measurement of the electroweak production cross section of Z bosons associated with dijets with the ATLAS detector / Nurse, E L (University Coll. London)
An observation of electroweak Zjj production and a measurement of the fiducial cross section has been presented. [...]
ATL-PHYS-PROC-2014-160. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4254.
ATLAS FTK challenge: simulation of a billion-fold hardware parallelism / Adelman, J (Nothern Illinois U.) ; Ancu, L S (Geneva U.) ; Annovi, A (INFN, Frascati) ; Baines, J (Rutherford) ; Britzger, D (DESY) ; Ehrenfeld, W (Bonn U.) ; Giannetti, P (INFN, Pisa) ; Luongo, C (INFN, Pisa) ; Schmitt, S (DESY) ; Stewart, G (Glasgow U.) et al.
During the current LHC shutdown period the ATLAS experiment will upgrade the Trigger and Data Acquisition system to include a hardware tracker coprocessor: the Fast TracKer (FTK). [...]
ATL-DAQ-PROC-2014-030. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4255.
Search for contact interactions and large extra dimensions in the dilepton final state using proton-proton collisions at sqrt(s) = 8 TeV with the ATLAS detector / Berry, T (Royal Holloway, U. of London) ; Savage, G (Royal Holloway, U. of London)
A search is conducted for non-resonant new phenomena in dielectron and dimuon final states, originating from either contact interactions (CI) or large extra dimensions (LED). [...]
ATL-PHYS-PROC-2014-161. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4256.
ATLAS jet trigger performance during run1 and preparation for run2 / Cheatham, S (Technion)
During run 1 the Large Hadron Collider collided proton beams at the centre-of-mass energy of 7 and 8 TeV, as well as heavy ions at the centre-of-mass energy of 2.76 TeV. [...]
ATL-DAQ-PROC-2014-031. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4257.
Searches for Vector-like Quarks, $t\bar{t}$ and $tb$ resonances with the ATLAS Detector / Andeen, T R (Columbia U.)
Various extensions of the Standard Model predict the existence of new types of quarks. [...]
ATL-PHYS-PROC-2014-162. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4258.
Searches for electroweak production of supersymmetric charginos, neutralinos and sleptons with the ATLAS detector / Robichaud-Veronneau, A (McGill U.)
Many supersymmetry models feature charginos, neutralinos and also sleptons with masses less than a few hundred GeV. [...]
ATL-PHYS-PROC-2014-163. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4259.
The ATLAS Trigger System: Past, Present and Future / Pastore, F (Royal Holloway, U. of London)
The ATLAS trigger has been used very successfully for the online event selection during the first run of the LHC between 2009-2013 at a centre-of-mass energy between 900 GeV and 8 TeV. [...]
ATL-DAQ-PROC-2014-032. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4260.
Measurement of Properties of the Higgs Boson in Bosonic Decay Channels using the ATLAS Detector / Benhar Noccioli, E (Geneva U.)
The paper reports the properties of the Higgs boson measured in bosonic decay channels (H→ZZ∗→4l, H→γγ, H→WW∗→llνν and H→Zγ→llγ) with 25 fb−1 of pp collision data from the LHC run-1 collected by the ATLAS detector. [...]
ATL-PHYS-PROC-2014-164. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4261.
Studies of $\Lambda^0_b$ in ATLAS: decays to charmonium states and parity violating asymmetry / Zhang, D (Michigan U.)
The results of ATLAS measurements of $\Lambda^0_b$ lifetime and decay asymmetry parameter in $\Lambda^0_b\to J/\psi\Lambda$ using 2011 7 TeV data are presented. [...]
ATL-PHYS-PROC-2014-165. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4262.
Towards a Level-1 Tracking Trigger for the ATLAS Experiment / De Santo, A (Sussex U.) ; On behalf of ATLAS, C (-)
In preparation for the high-luminosity phase of the Large Hadron Collider, ATLAS is planning a trigger upgrade that will enable the experiment to use tracking information already at the first trigger level. [...]
ATL-DAQ-PROC-2014-033. - 2016.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4263.
Recent Heavy Ion Results on the Hard Scattering and Jet Quenching from the ATLAS and CMS experiments on the LHC. / Olszewski, A (Cracow, INP)
"Recent results on studies of hard scattering processes and jet quenching in nuclear collisions from the ATLAS \cite{atlas} and CMS \cite{cms} experiments at the Large Hadron Collider (LHC) are reviewed [...]
ATL-PHYS-PROC-2014-166. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4264.
New physics searches with b-hadrons at the ATLAS experiment / Smirnova, l (Lomonosov Moscow State U.)
Flavour changing neutral currents and precision measurements of CP violation are investigated in ATLAS as probes to new physics beyond the standard model. [...]
ATL-PHYS-PROC-2014-167. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4265.
Measurements of top quark properties with the ATLAS detector / Unverdorben, C
A selection of recent top quark measurements performed with the ATLAS detector is presented here, with data taken in 2011 and 2012 at a centre-of-mass energy of 7 TeV and 8 TeV, respectively. [...]
ATL-PHYS-PROC-2014-168. - 2015. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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4266.
Upgrading the Atlas Tile Calorimeter Electronics / Popeneciu, G (INCDTIM, Cluj Napoca)
Tile Calorimeter is the central hadronic calorimeter of the ATLAS experiment at LHC. [...]
ATL-TILECAL-PROC-2014-018. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4267.
Searches for electroweak production of supersymmetric gauginos and sleptons with the ATLAS detecto / Santoyo-Castillo, I (Sussex U.)
This document presents results from the searches for electroweak production of gauginos or sleptons decaying into leptonic final states with missing transverse momentum performed using 20.3 fb$^{-1}$ of proton-proton collision data at $\sqrt{s} = 8$ TeV recorded with the ATLAS experiment at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2014-169. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4268.
The Pixel Detector of the ATLAS Experiment for the Run 2 at the Large Hadron Collider / Mandelli, B (CERN ; Oslo U.)
The Pixel Detector of the ATLAS experiment has shown excellent performance during the whole Run 1 of LHC. [...]
ATL-INDET-PROC-2014-006. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4269.
Standard Model Measurements with the ATLAS Detector / Hassani, S (Saclay)
Various Standard Model measurements have been performed in proton-proton collisions at a centre-of-mass energy of $\sqrt s = 7$ and 8 TeV using the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2014-170. - 2015. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4270.
Simultaneous measurements of the $t\bar{t}$, $W^+W^-$, and $Z/\gamma^* \rightarrow \tau^+\tau^-$ production cross-sections in $pp$ collisions at $\sqrt{s} = 7\,\mathrm{TeV}$ with the ATLAS detector / Limosani, A (Sydney U.)
Simultaneous measurements of the $t\bar{t}$, $W^+W^-$, and $Z/\gamma^{*}\rightarrow\tau\tau$ production cross-sections using an integrated luminosity of $4.6\,\mathrm{fb}^{-1}$ of $pp$ collisions at $\sqrt{s} = 7\,\mathrm{TeV}$ collected by the ATLAS detector at the LHC are presented. [...]
ATL-PHYS-PROC-2014-171. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4271.
Search for squarks and gluinos with the ATLAS detector in final states with jets and missing transverse momentum and 20.3 $fb^{−1}$ of $\sqrt{s}$=8 TeV proton-proton collision data / Javurek, T (Freiburg U.)
Weak scale supersymmetry is one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2014-172. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4272.
The ATLAS EventIndex: Full chain deployment and first operation / The ATLAS collaboration
The Event Index project consists in the development and deployment of a complete catalogue of events for experi- ments with large amounts of data, such as the ATLAS experiment at the LHC accelerator at CERN. [...]
ATL-SOFT-PROC-2014-007. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4273.
Rare and Suppressed Decays of $B^{0}_{(s)}$ Mesons with the ATLAS Detector / Walkowiak, W (Siegen U.)
The large amount of Heavy Flavor data collected by the ATLAS experiment at the LHC is potentially sensitive to New Physics, which could be evident in processes that are naturally suppressed in the Standard Model. [...]
ATL-PHYS-PROC-2014-173. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4274.
Measurement of the electroweak production cross section of same-sign $W^\pm W^\pm$ bosons associated with dijets with the ATLAS detector / Gumpert, C (Dresden, Tech. U., ITP)
A measurement of the production cross section for two same-sign $W^\pm$ bosons in association with dijets was performed using $20.3 \, \mathrm{fb}^{-1}$ of proton-proton collision data collected at $\sqrt{s} = 8 \, \mathrm{GeV}$ with the ATLAS detector. [...]
ATL-PHYS-PROC-2014-174. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4275.
Search for chargino and neutralino production with a Higgs boson in the decay chain in one or three leptons final state events with ATLAS / David, C (TRIUMF)
Searches for direct production of chargino ($\tilde{\chi}_1^{\pm}$) and neutralino ($\tilde{\chi}_0^{2}$) leading to final states characterized by the presence of a Higgs boson are reported. [...]
ATL-PHYS-PROC-2014-175. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Acces article
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4276.
Muon momentum scale and resolution in pp collisions at $\sqrt{s}$ = 8 TeV in ATLAS / Artoni, G (Brandeis U.)
This work shows the performance in the muon momentum scale and resolution achieved by ATLAS during the 2012 run at $\sqrt{s} = 8$. [...]
ATL-PHYS-PROC-2014-176. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4277.
Identification and energy calibration of hadronically decaying tau leptons with the ATLAS experiment / Pingel, A (Bohr Inst.)
This article gives an overview of the steps taken in ATLAS to identify hadronically decaying tau leptons and to validate the performance. [...]
ATL-PHYS-PROC-2014-177. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4278.
The ATLAS FTK system: how to improve the physics potential with a tracking trigger / Iizawa, T (Waseda U.)
After a very successful data taking run, the ATLAS experiment [1] is being upgraded to cope with the higher luminosity and higher center of mass energy that the Large Hadron Collider (LHC) will provide in the next years. [...]
ATL-DAQ-PROC-2014-034. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access Article
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4279.
Higgs Boson Decays to Leptons with the ATLAS Detector / Coniavitis, Elias (Freiburg U.)
A review of the results on Higgs boson decays to leptons with the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2014-178. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4280.
Proton-lead measurements using the ATLAS detector / Spousta, M (Charles U.)
Measurements of soft and hard particle production in proton-lead collisions at the LHC have provided surprising results. [...]
ATL-PHYS-PROC-2014-179. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4281.
Measurement of the Wt Production Cross Section in Dilepton Events with the ATLAS Detector / Mergelmeyer, S (Bonn U.)
Single top quark production, accounting for $\sim\!1/3$ of the overall top quark production at the LHC, constitutes an excellent probe of the $W\text{-}t\text{-}b$ coupling, which is sensitive to certain types of new physics. [...]
ATL-PHYS-PROC-2014-180. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4282.
Prospects for BSM searches at the high-luminosity LHC with the ATLAS detector / Ruehr, F (Freiburg U.)
Discovering new physics beyond the Standard Model is a primary goal of research at the LHC. [...]
ATL-PHYS-PROC-2014-181. - 2016.
Original Communication (restricted to ATLAS) - Full text
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4283.
Search for electroweak supersymmetric particle production in final states with two leptons and missing transverse momentum with the ATLAS detector / Dietrich, Janet (Humboldt U., Berlin ; DESY) ; Lacker, Heiko (Humboldt U., Berlin)
Searches for the production of electroweak supersymmetric particles decaying into final states with exactly two isolated, oppositely-charged leptons (electrons, muons) and missing transverse momentum are performed using 20.3 fb−1 of 2012 proton-proton collision data at sqrt(s) = 8 TeV recorded with the general purpose detector ATLAS at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2014-182. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4284.
Measurement of Jet Production Properties in pp Collisions with the ATLAS Detector / MALAESCU, B (Paris, LPTHE)
Several aspects of the jet production in pp collisions have been measured by the ATLAS collaboration using data collected at the LHC. [...]
ATL-PHYS-PROC-2014-183. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4285.
Measurement of the Higgs boson mass from the H → ZZ∗ → 4l and H → γγ channels with the ATLAS detector at the LHC / Gabrielli, Andrea (INFN, Roma)
This document presents an updated measurement of the Higgs boson mass with the combined fit of two decay channels $H\rightarrow ZZ^* \rightarrow4\ell$ and $H\rightarrow \gamma \gamma$. [...]
ATL-PHYS-PROC-2014-184. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4286.
Study of FCNC in top quark production and decay with the ATLAS detector / Araque, J P (Minho U.)
A review of the analyses involving flavour changing neutral currents (FCNC) processes using proton-proton collisions produced at the LHC and data collected with the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2014-185. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4287.
The ATLAS Data Acquisition System: from Run 1 to Run 2 / Panduro Vazquez, J G (Royal Holloway, U. of London)
The experience gained during the first period of very successful data taking of the ATLAS experiment (Run 1) has inspired a number of ideas for improvement of the Data Acquisition (DAQ) system that are being put in place during the so-called Long Shutdown 1 of the Large Hadron Collider (LHC), in 2013/14. [...]
ATL-DAQ-PROC-2014-035. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4288.
Constraints on new phenomena through Higgs coupling measurements with the ATLAS detector / Maiani, Camilla (Saclay)
The ATLAS experiment at the Large Hadron Collider has measured the couplings of the newly found Higgs boson to other particles using about 25 fb$^{-1}$ of proton-proton collision data at 7 and 8 TeV center-of-mass energy. [...]
ATL-PHYS-PROC-2014-186. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4289.
Searches for dark matter and extra dimensions with the ATLAS detector / Clement, C (Stockholm U.)
This paper presents the results of different approaches to finding evidence for dark matter with the ATLAS experiment at LHC. [...]
ATL-PHYS-PROC-2014-187. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4290.
Real-time flavor tagging selection in ATLAS / Madaffari, D (Marseille, CPPM)
In high-energy physics experiments the online selection is crucial to reject the overwhelming uninteresting collisions. [...]
ATL-DAQ-PROC-2014-036. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4291.
Soft QCD and underlying event measurements at ATLAS / Zenin, Oleg (Serpukhov, IHEP)
Recent soft QCD results obtained in $pp$ collisions at $\sqrt{s} = 7$ TeV with ATLAS detector at the LHC are presented. [...]
ATL-PHYS-PROC-2014-188. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4292.
Electron and Photon Reconstruction with the ATLAS Detector / Mitrevski, J (Munich U.)
An excellent performance of the reconstruction of electrons and photons with the ATLAS detector at the LHC is a key component to realize the full physics potential of ATLAS, both in searches for new physics and in precision measurements. [...]
ATL-PHYS-PROC-2014-189. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4293.
The TileCal Online Energy Estimation for the Next LHC Operation Period / Peralva, B S (Juiz de Fora U.) ; Filho, L M A (Juiz de Fora U.) ; Cerqueira, A S (Juiz de Fora U.) ; Seixas, J M (Rio de Janeiro Federal U.)
This work presents a study on the TileCal online energy estimation for the next LHC operation period (Run2). [...]
ATL-TILECAL-PROC-2014-019. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4294.
Upgrade of the ATLAS Tile Calorimeter / Moreno, P (Valencia U., IFIC ; Witwatersrand U.)
The Tile Calorimeter (TileCal) is the central hadronic calorimeter covering the central region of the ATLAS experiment at LHC. [...]
ATL-TILECAL-PROC-2014-020. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4295.
Measurements of vector boson plus jets from ATLAS / Ninomiya, Y (Tokyo U., ICEPP)
Measurements of single W, Z boson production in association with jets probe QCD in multi-scale environment. [...]
ATL-PHYS-PROC-2014-190. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4296.
Searches for new Physics in Events with multiple Leptons at the ATLAS detector / Wiik-Fuchs, L (Bonn U.)
Events containing three or more leptons are an invaluable probe for physics beyond Standard Model (SM) at the LHC [...]
ATL-PHYS-PROC-2014-191. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4297.
Observation and measurement of Higgs boson decays to $WW^\ast$ with ATLAS at the LHC
We report the observation of the production of the Higgs boson in its decay to $WW^\ast$, based on an excess over background in the dilepton final state of $6.1$ standard deviations, where the standard model expectation is $5.8$ standard deviations. [...]
ATLAS-CONF-2014-060. - 2014. - 77 p.
Original Communication (restricted to ATLAS) - Full text
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4298.
Evidence for Higgs boson Yukawa couplings in the $H\to\tau\tau$ decay mode with the ATLAS detector
Results of a search for $H\to\tau\tau$ decays are presented, based on the full set of proton-proton collision data recorded by the ATLAS experiment at the LHC during 2011 and 2012. [...]
ATLAS-CONF-2014-061. - 2014. - 52 p.
Original Communication (restricted to ATLAS) - Full text
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4299.
Searches for direct pair production of third generation squarks with the ATLAS detector / Firmino da Costa, João (IRFU, Saclay)
Naturalness arguments for weak-scale supersymmetry favour supersymmetric partners of the third generation quarks with masses not too far from those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2014-192. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4300.
Mixing and CP violation in the decay Bs→J/ψφ in Atlas / Dearnaley, W (Lancaster U. ; Rutherford)
A measurement of the B0s→J/ψφ decay parameters, updated to include flavour tagging, is reported using 4.9 fb^{−1} of integrated luminosity collected by the ATLAS detector from pp collisions recorded in 2011. [...]
ATL-PHYS-PROC-2014-193. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4301.
Decay properties of $b$-hadrons with the ATLAS experiment / Gladilin, Leonid (Moscow State U.)
Recent results of the ATLAS experiment at LHC on decay properties of $b$-hadrons are reviewed [...]
ATL-PHYS-PROC-2014-194. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4302.
Property measurement of Higgs boson in the gamma gamma final state with the ATLAS detector at the LHC / Yanping , Huang (DESY)
With $pp$ collision data sample recorded by the ATLAS experiment at the CERN Large Hadron Collider at center-of-mass energies of 7 TeV and 8 TeV, corresponding to an integrated luminosity of 25 ${\rm fb}^{-1}$, an improved measurement of the mass of the Higgs boson is derived from a combined fit to the decay channels $H\rightarrow\gamma\gamma$ and $H\rightarrow ZZ^{*}\rightarrow 4l$ with improved energy-scale calibrations for photons, electrons and muons as well as other analysis improvements. [...]
ATL-PHYS-PROC-2014-195. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4303.
Top quark pair production cross section using the ATLAS detector at the LHC / Theveneaux-Pelzer, Timothee (Clermont-Ferrand U.)
Measurements of the inclusive top quark pair production cross sections in proton-proton collisions with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2014-196. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4304.
Reconstruction and Identification of Tau Leptons in ATLAS / Limbach, Christian (Bonn U.)
These proceedings describe the reconstruction and identification of tau leptons in the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2014-197. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4305.
Searches for dark matter and extra dimensions with the ATLAS detector / Kruskal, M (Boston U.)
Different approaches to finding evidence for dark matter at the LHC are presented. [...]
ATL-PHYS-PROC-2014-198. - 2015. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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4306.
A Model Independent General Search for new physics in ATLAS / Amoroso, S (Freiburg U.)
We present results of a model-independent general search for new phenomena in proton-proton collisions at a centre-of-mass energy of 8 TeV with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2014-199. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4307.
Searches for direct pair production of third generation squarks with the ATLAS detector / Pagacova, M
Naturalness arguments for weak-scale supersymmetry favour supersymmetric partners of the third generation quarks with masses not too far from those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2014-200. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4308.
Evolution of the ATLAS Software Framework towards Concurrency / Jones, Roger (Lancaster U.) ; Stewart, Graeme (Glasgow U.) ; Leggett, Charles (LBL, Berkeley) ; Wynne, Benjamin (Edinburgh U.)
The ATLAS experiment has successfully used its Gaudi/Athena software framework for data taking and analysis during the first LHC run, with billions of events successfully processed. [...]
ATL-SOFT-PROC-2014-008. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4309.
Search for the Higgs Boson in Fermionic Channels Using the ATLAS Detector / Hageboeck, S (Bonn U.)
Since the discovery of the Higgs boson by the ATLAS and CMS experiments at the LHC, the emphasis has shifted towards measurements of its properties. [...]
ATL-PHYS-PROC-2014-201. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4310.
Search for heavy resonances with the ATLAS detector / Schuh, N (U. Mainz)
The ATLAS detector at the Large Hadron Collider (LHC) is used to search for heavy resonances in various final states. [...]
ATL-PHYS-PROC-2014-202. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4311.
ATLAS ttbar resonance searches / Sanchez-Martinez, V (Valencia U., IFIC)
The ATLAS experiment has performed a search for new states decaying to top quark pairs using a data set of 14/fb of proton-proton collisions collected during the 2012 run at sqrt(s) = 8 TeV of the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2014-203. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4312.
Flavour tagged time dependent angular analysis of the B 0s → J/ψφ decay and extraction of ∆Γ s and the weak phase φ s in ATLAS / Dearnaley, William James (Lancaster U.)
A measurement of the B 0s → J/ψφ decay parameters, updated to include flavour tagging, is reported using 4.9 fb−1 of integrated luminosity collected by the ATLAS detector from pp collisions recorded in 2011. [...]
ATL-PHYS-PROC-2014-204. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4313.
ATLAS Physics Prospects for the Upgraded LHC / Ilic, N (Toronto U.)
The 2010-2012 operation period at the LHC has been very successful, including the discovery of a new particle with a mass of about 125 GeV compatible within uncertainties with the Higgs boson predicted by Standard Model. [...]
ATL-PHYS-PROC-2014-205. - 2015. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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4314.
Measurements of inclusive vector boson production from ATLAS / Karnevskiy, M (U. Mainz)
The measurements of single $W$, $Z$ boson production in association with jets probes QCD in a multi-scale environment. [...]
ATL-PHYS-PROC-2014-206. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4315.
Performance of the reconstruction, calibration and identification of electrons and photons with the ATLAS detector, and their impact on the ATLAS physics results / Blanchard, J-B (IRFU, Saclay)
The performance of the reconstruction, calibration and identification electrons and photons with the ATLAS detector at the LHC is a key component to realise the ATLAS full physics potential, both in the searches for new physics and in precision measurements. [...]
ATL-PHYS-PROC-2014-207. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4316.
Recent electroweak results from ATLAS / Meyer, J (CERN)
ATLAS measurements of multi-boson production processes involving combinations of $W$, $Z$ and isolated photons are summarized. [...]
ATL-PHYS-PROC-2014-208. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4317.
Rucio, the next-generation Data Management system in ATLAS / Serfon, C (CERN) ; Barisits, M (CERN) ; Beermann, T (CERN) ; Garonne, V (CERN) ; Goossens, L (CERN) ; Lassnig, M (CERN) ; Nairz, A (CERN) ; Vigne, R (CERN)
Rucio is the next-generation of Distributed Data Management (DDM) system benefiting from recent advances in cloud and "Big Data" computing to address HEP experiments scaling requirements. [...]
ATL-SOFT-PROC-2014-009. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4318.
Search for top squark pair production in final states with one isolated lepton, jets, and missing transverse momentum in $\sqrt{s}=$ 8 TeV pp collisions with the ATLAS detector / Abulaiti, Yiming (Stockholm U.)
Motivated by natural SUSY, a search for pair production of the supersymmetric partner of the top quark (stop) in final states with one isolated lepton, jets and missing transverse momentum in $\sqrt{s}=8$~TeV $pp$ collisions using 20.3~$\rm fb^{-1}$ of data from the ATLAS experiment, is presented. [...]
ATL-PHYS-PROC-2014-209. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4319.
Inclusive Searches for Squarks and Gluinos with the ATLAS Detector / Mitrevski, J (Munich U.)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2014-210. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4320.
Search for pair-produced third-generation squarks in compressed supersymmetric scenarios using monojet-like final states in pp collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector at the LHC / Caminal Armadans, Roger (Barcelona, IFAE)
Searches for third-generation squarks are reported, using 20.3 fb$^{−1}$ of proton-proton collisions at $\sqrt{s} = 8$ TeV recorded by the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2014-211. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Acces article
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4321.
Summary of results on exotic searches from ATLAS / Tam, J (Wurzburg U.)
Despite the success of the Standard Model (SM) of particle physics in the recent decades describing nature within its capabilities, there remain open questions such as the naturalness of Electroweak Symmetry Breaking (EWSB) as well as potential deeper underlying symmetries of the SM that may contribute to the possibility of unifying the fundamental interactions. [...]
ATL-PHYS-PROC-2014-212. - 2015. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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4322.
Measurement of associated production of vector bosons with b-jets, with a charm quark, and with a J/psi meson in ATLAS / Watson, M F (Birmingham U.)
Measurements of W bosons in association with b-jets, single c-quark jets and J/psi mesons are presented, in addition to a measurement of the production of b-jets in association with Z bosons..
ATL-PHYS-PROC-2014-213. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4323.
Search for the Higgs boson in VH(bb) channel using the ATLAS detector / Francavilla, P (Paris, LPTHE)
Since the discovery of a Higgs boson by the ATLAS and CMS experiments at the LHC, the emphasis has shifted towards measurements of its properties and the search for less sensitive channels in order to determine whether the new particle is the Standard Model (SM) Higgs boson. [...]
ATL-PHYS-PROC-2014-214. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4324.
Heavy flavour production in ATLAS: Onia and open flavour hadrons / Nomidis, Ioannis (Carleton U.)
Proceedings for Beauty 2014 conference. [...]
ATL-PHYS-PROC-2014-215. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4325.
Timing improvements for the ATLAS offline reconstruction for run-2
With the goal of reducing the time needed for reconstruction the ATLAS offline software underwent significant revision in long shutdown 1. [...]
ATL-SOFT-PUB-2014-004. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4326.
Search for narrow scalar ${\mathrm{X}}\rightarrow \gamma\gamma$ in the mass range $65-600 \mathrm{\ Ge\kern -0.1em V}$ with the ATLAS detector / Barnovska, Z (Annecy, LAPP)
A search for scalar narrow resonance X decaying into two photons in the mass range 65-600 $\mathrm{\ Ge\kern -0.1em V}$ is performed using 20 fb$^{-1}$ of $pp$ collision data collected with the ATLAS detector at $\sqrt{s}$ = 8 $\mathrm{\ Te\kern -0.1em V}$ at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2014-216. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4327.
ATLAS Pixel Detector: Operational Experience and Run-1 to Run-2 Transition / La Rosa, Alessandro (Geneva U.)
The Pixel Detector of the ATLAS experiment has shown excellent performance during the whole Run-1 of LHC. [...]
arXiv:1410.6347 ; ATL-INDET-PROC-2014-007 ; ATL-INDET-PROC-2014-007. - SISSA, 2015-05-12. - 9 p.
PoS server - Full text - Published version from PoS - Full text
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4328.
Studies of theoretical uncertainties on the measurement of the mass of the $W$ boson at the LHC
The measurement of the mass of the $W$ boson at the LHC requires control of both theoretical and experimental uncertainties. [...]
ATL-PHYS-PUB-2014-015. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4329.
SM and MSSM $H\rightarrow\tau\tau$ / Schwindt, Thomas (Bonn U.)
After the discovery of a Higgs boson at the LHC in $\gamma\gamma$, $ZZ$ and $WW$ final states in 2012, the ATLAS collaboration also observes an excess of data over the predicted background in $\tau\tau$ final states, which is consistent with the decay of the discovered Higgs boson with $m_H\approx125$ GeV. [...]
ATL-PHYS-PROC-2014-217. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4330.
Projections for measurements of Higgs boson signal strengths and coupling parameters with the ATLAS detector at a HL-LHC
A study is presented on the ATLAS experimental prospects for measuring Higgs boson signal strengths, and determining couplings to individual fermions and bosons, using 14 TeV proton-proton collisions at the LHC with 300 fb$^{-1}$ and at the HL-LHC with 3000 fb$^{-1}$. [...]
ATL-PHYS-PUB-2014-016. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4331.
Prospects for New Physics in Higgs Couplings Studies with the ATLAS Detector at the HL-LHC
The ATLAS experiment at the LHC determines the couplings of the Higgs boson to other particles using the combination of measurements from multiple production and decay channels. [...]
ATL-PHYS-PUB-2014-017. - 2014. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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4332.
ATLAS inner tracking detectors: Run 1 performance and developments for Run 2 / Lukas, Wolfgang (Innsbruck U., Inst. Astrophys.)
The measurement of charged-particle trajectories with the inner tracking detectors of the ATLAS experiment at the LHC is a key input for higher-level object reconstruction, ranging from leptons to the identification of heavy-flavor jets. [...]
ATL-INDET-PROC-2014-008. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4333.
Studies of the VBF $H\rightarrow\tau_l\tau_{had}$ analysis at High Luminosity LHC conditions
This note documents projections for the measurement of Standard Model $H\rightarrow \tau\tau$ in the vector boson fusion production channel for the High Luminosity LHC (HL-LHC). [...]
ATL-PHYS-PUB-2014-018. - 2014. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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4334.
Prospects for measuring Higgs pair production in the channel $H(\rightarrow\gamma\gamma)H(\rightarrow b\overline{b}) $ using the ATLAS detector at the HL-LHC
Studies are presented on the prospects for the observation of Higgs pair production in the channel $H(\rightarrow\gamma\gamma)H(\rightarrow b\overline{b})$ using an upgraded ATLAS detector, assuming a dataset comprising 3000~fb$^{-1}$ of 14~TeV proton-proton collisions at the High-Luminosity LHC (HL-LHC). [...]
ATL-PHYS-PUB-2014-019. - 2014. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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4335.
Jet energy scale uncertainty correlations between ATLAS and CMS
The correlation of the jet energy scale uncertainties between the ATLAS and CMS experiments are presented in this note. [...]
ATL-PHYS-PUB-2014-020. - 2014. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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4336.
$W, Z$ and photon production at the LHC / Kuze, Masahiro (Tokyo Inst. Tech.)
Recent results on $W$, $Z$ and photon production at the Large Hadron Collider are presented. [...]
arXiv:1410.6372 ; ATL-PHYS-PROC-2014-218. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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4337.
The ATLAS Tau Trigger Performance during LHC Run 1 and Prospects for Run 2 / Mitani, T (Waseda U.)
The ATLAS tau trigger is designed to select hadronic decays of the tau leptons. [...]
ATL-DAQ-PROC-2014-037. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4338.
Electroweak probes in heavy-ion collisions at the LHC with ATLAS / Donadelli, Marisilvia (Sao Paulo U.)
Measurements of vector boson production in lead-lead collisions provide essential control data for studies of jets and jet quenching in the quark gluon plasma. [...]
ATL-PHYS-PROC-2014-219. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4339.
Searches for supersymmetry in resonance production and R-parity violating prompt signatures with the ATLAS and CMS detectors / Caminal Armadans, Roger (Barcelona, Autonoma U.)
In R-parity violating supersymmetric scenarios sparticles can be produced individually or in pairs with rates that are detectable at the LHC. [...]
ATL-PHYS-PROC-2014-220. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4340.
Heavy Flavour Production in ATLAS with a focus on inclusive onia / Jones, Roger (Lancaster U.)
ATLAS has a wide programme to study the production cross section and decay proper- ties of particles with beauty, as well as charmonium and bottomonium states. [...]
ATL-PHYS-PROC-2014-221. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4341.
Flavour tagging techniques for CPV studies in the $B_s$ system with ATLAS / Jakoubek, Tomas (Prague, Inst. Phys.)
The sensitivity to $B_s$ meson mixing phenomena can be significantly improved by distinguishing the initial meson flavour. [...]
arXiv:1410.8732. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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4342.
Recent QCD Results from ATLAS / Zenis, Tibor (Bratislava U.)
The ATLAS collaboration has performed studies of a wide range of QCD phenomena, from soft particle to hard photon and jet production. [...]
ATL-PHYS-PROC-2014-223. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4343.
The Pixel Detector of the ATLAS experiment for the Run2 at the Large Hadron Collider / Takubo, Y (KEK, Tsukuba)
The Pixel Detector of the ATLAS experiment has shown excellent performance during the whole Run-1 of LHC. [...]
ATL-INDET-PROC-2014-009. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4344.
Top quark pair production cross section at LHC in ATLAS / Morris, John (Queen Mary, U. of London)
Measurements of the top quark production cross section in proton-proton collisions with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2014-224. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4345.
$b$-jet identification algorithms and performance in the ATLAS experiment / Mochizuki, K (Marseille, CPPM)
For many physics programs at the LHC, the ability to identify jets containing $B$-hadrons ($b$-tagging) is a crucial ingredient. [...]
ATL-PHYS-PROC-2014-225. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4346.
Combined measurement of the couplings of the Higgs boson in the $H\rightarrow WW \rightarrow \ell{\rm \nu}\ell{\rm \nu}$ final state with the ATLAS detector at the LHC / Kim, HY (Texas U., Arlington)
In the given poster, we present the study of the Higgs boson in the $H\rightarrow WW \rightarrow \ell{\rm \nu}\ell{\rm \nu}$ channel. [...]
ATL-PHYS-PROC-2014-226. - 2014. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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4347.
QCD Results from ATLAS and CMS / Leyton, Michael (Texas U., Dallas ; CERN)
The ATLAS and CMS collaborations have performed a wide range of studies of QCD phenomena, from the production of soft particles to hard photons and jets. [...]
ATL-PHYS-PROC-2014-227. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4348.
Search for Charged Higgs Bosons with the ATLAS Detector / Barak, Liron (Weizmann Inst.)
The search for charged Higgs is an integral part of the Higgs boson studies at the LHC. [...]
ATL-PHYS-PROC-2014-228. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4349.
Searches for extra dimensions with the ATLAS and CMS detectors / Kretzschmar, Jan (Liverpool U.)
Models with extra spatial dimensions have been proposed to explain the large apparent hierarchy between the Electroweak and Planck scales. [...]
ATL-PHYS-PROC-2014-229. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4350.
Spectroscopy of onia and hadrons with open beauty in ATLAS / Henderson, RCW (Lancaster U.)
Results published by the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2014-230. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4351.
Advanced alignment of the ATLAS tracking system / Butti, Pierfrancesco (NIKHEF, Amsterdam)
In order to reconstruct the trajectories of charged particles, the ATLAS experiment exploits a tracking system built using different technologies, silicon planar modules or microstrips (PIX and SCT detectors) and gaseous drift tubes (TRT), all embedded in a 2T solenoidal magnetic field. [...]
ATL-PHYS-PROC-2014-231. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4352.
News from LHC: Recent Results on Higgs Physics / Straessner, A (Dresden, Tech. U.)
The ATLAS and CMS experiments at the LHC have measured detailed properties of the SM-like Higgs boson discovered in 2012. [...]
ATL-PHYS-PROC-2014-232. - 2014. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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4353.
The Pixel Detector of the ATLAS experiment for the Run2 at the Large Hadron Collider / Takubo, Y. (KEK, Tsukuba) /for the ATLAS collaboration
The Pixel Detector of the ATLAS experiment has shown excellent performance during the whole Run-1 of LHC. Taking advantage of the long showdown, the detector was extracted from the experiment and brought to surface, to equip it with new service quarter panels, to repair modules and to ease installation of the Insertable B-Layer (IBL). [...]
arXiv:1411.5338.- Geneva : CERN, 2015-02-10 - 9 p. Fulltext: ATL-INDET-PROC-2014-010 - PDF; arXiv:1411.5338 - PDF; Published version from IOP, local copy: PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 10th International Conference on Position Sensitive Detectors, Surrey, UK, 7 - 12 Sep 2014, pp.C02001
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4354.
Diffractive Physics with ATLAS / Sidoti, Antonio (INFN, Bologna ; Bologna U.)
In this paper we report diffractive physics measurement in LHC Run1 pp collisions performed by the ATLAS experiment..
ATL-PHYS-PROC-2014-233. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4355.
Probing QCD and hadron physics: highlights of experimental results / Roda, Chiara (INFN, Pisa ; Pisa U.)
The rich set of data collected from HERA, Tevatron and LHC collisions offer an extraordinary possibility to test different aspects of the perturbative Quantum Chromodynamics theory. [...]
ATL-PHYS-PROC-2014-234. - 2014. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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4356.
ATCA-based ATLAS FTK input interface system / on behalf of the ATLAS Collaboration
The first stage of the ATLAS Fast TracKer (FTK) is an ATCA-based input interface system, where hits from the entire silicon tracker are clustered and organized into overlapping eta-phi trigger towers before being sent to the tracking engines. [...]
arXiv:1411.0661 ; ATL-DAQ-PROC-2014-038 ; FERMILAB-CONF-15-678-CMS. - 2015-04-27. - 9 p.
Fermilab Library Server (fulltext available) - Fulltext - Full text
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4357.
Top quark property measurements at the LHC / Hawkings, Richard (CERN)
Measurements of top quark properties performed at the Large Hadron Collider are reviewed, with a particular emphasis on top-pair charge asymmetries, spin correlations and polarization measurements performed by the ATLAS and CMS collaborations. [...]
arXiv:1410.8053. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint
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4358.
A muon trigger upgrade with high transverse momentum resolution for the ATLAS detector at the High-Luminosity LHC / Horii, Yasuyuki (KMI, Nagoya) ; ATLAS Collaboration
The Level-1 trigger for muons of the ATLAS experiment is based on trigger chambers with excellent time resolution which identifies muons coming from a particular beam crossing. [...]
ATL-MUON-PROC-2014-007. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4359.
Measurements of W and Z boson production in association with jets in proton-proton collisions with the ATLAS detector / Hesketh, Gavin Grant (University Coll. London)
The latest measurements of the production of $W$ or $Z$ boson in association with jets by the ATLAS detector are reported. [...]
ATL-PHYS-PROC-2014-236. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4360.
The New Small Wheel Upgrade Project of the ATLAS Experiment / Stelzer, Bernd (Simon Fraser U.)
The instantaneous luminosity of the Large Hadron Collider at CERN will be increased up to a factor of five with respect to the design value by undergoing an extensive upgrade program over the coming decade. [...]
ATL-MUON-PROC-2014-008. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4361.
The C-RORC PCIe Card and its Application in the ALICE and ATLAS Experiments / for the ATLAS and ALICE Collaborations
The ALICE and ATLAS DAQ systems read out detector data via point-to-point serial links into custom hardware modules, the ALICE RORC and ATLAS ROBIN. [...]
ATL-DAQ-PROC-2014-039 ; AIDA-PUB-2015-022. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4362.
Searches for direct pair production of third generation squarks with the ATLAS detector / Usai, Giulio (Texas U., Arlington)
Naturalness arguments for weak-scale supersymmetry favour supersymmetric partners of the third generation quarks with masses not too far from those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2014-237. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4363.
The Development of a General Purpose ARM-based Processing Unit for the ATLAS TileCal sROD / Cox, Mitchell Arij (U. Witwatersrand, Johannesburg, Sch. Phys.) ; Reed, Robert (U. Witwatersrand, Johannesburg, Sch. Phys.) ; Mellado Garcia, Bruce Rafael (U. Witwatersrand, Johannesburg, Sch. Phys.)
The Large Hadron Collider at CERN generates enormous amounts of raw data which present a serious computing challenge. [...]
ATL-TILECAL-PROC-2014-021. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4364.
Top quark physics in ATLAS / Gabaldon, Carolina (LPSC, Grenoble)
This paper summarises the latest experimental results on top quark physics by the ATLAS Collaboration using LHC $pp$ collisions data corresponding to an integrated luminosity of $4.7 \rm \ fb^{-1}$ at $\sqrt{s} = 7 \rm \ TeV$ and $20.3 \rm \ fb^{-1}$ at $\sqrt{s} = 8 \rm \ TeV$. [...]
ATL-PHYS-PROC-2014-238. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4365.
Beyond the Standard Model Higgs boson searches using the ATLAS Experiment / Tsukerman, Ilya (Moscow, ITEP)
The discovery of a Higgs boson with a mass of about 125 GeV has prompted the question of whether or not this particle is part of a larger and more complex Higgs sector than that envisioned in the Standard Model. [...]
ATL-PHYS-PROC-2014-239. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4366.
Combined measurements of the properties of the Higgs boson using the ATLAS detector / Kluit, Peter (NIKHEF, Amsterdam)
The combination of the measurements of the Higgs boson from the ATLAS detector will be presented. [...]
ATL-PHYS-PROC-2014-240. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4367.
Supersymmetry and Exotica at ATLAS / Stamen, Rainer (Kirchhoff Inst. Phys.)
This proceedings present a number of searches for supersymmetric particles as well as particles from exotic models. [...]
ATL-PHYS-PROC-2014-241. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4368.
Higgs Properties / Chang, Philip (Illinois U.)
This talk reviews Higgs properties measurements made by ATLAS and CMS collaborations. [...]
ATL-PHYS-PROC-2014-242. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4369.
ATLAS Pythia 8 tunes to 7 TeV data
We present tunes of the Pythia8 Monte~Carlo event generator's parton shower and multiple parton interaction parameters to a range of data observables from ATLAS Run 1. [...]
ATL-PHYS-PUB-2014-021. - 2014.
Original Communication (restricted to ATLAS) - Full text
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4370.
ATLAS FTK: The Fast Tracker / T, Iizawa (Waseda U.)
The Fast TracKer (FTK) will perform global track reconstruction after each Level-1 trigger accept to enable the software-based High Level Trigger to have early access to tracking information. [...]
ATL-DAQ-PROC-2014-040. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4371.
Measurement of the Higgs boson mass with the ATLAS detector / Garay Walls, F M (Edinburgh U.)
A summary of the latest results on the combined measurement of the Higgs boson mass in the H-> ZZ->4l and the H ->gamma gamma decay channels with the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2014-243. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4372.
Recent top physics highlights at the LHC / Carli, Tancredi (CERN)
Recent highlights of measurements by the ATLAS and CMS collaborations involving top quarks produced at the LHC are presented. [...]
ATL-PHYS-PROC-2014-244. - 2016. - 15 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4373.
IBL Modules Construction Experience and Developments for Future Upgrade / Motohashi, Kazuki (Tokyo Inst. Tech.)
The first upgrade of the ATLAS Pixel Detector is the Insertable B-Layer (IBL), in- stalled in May 2014 in the core of the detector itself. [...]
ATL-INDET-PROC-2014-011. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4374.
Micromegas Detectors for the Muon Spectrometer Upgrade of the ATLAS Experiment / Iodice, Mauro (INFN, Roma3 ; Roma U.)
The Micromegas (MICRO MEsh GAseous Structure) have been proven along the years to be reliable detectors with excellent space resolution and high rate capability. [...]
ATL-MUON-PROC-2014-009. - 2015. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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4375.
Firmware development and testing of the ATLAS IBL Back Of Crate card / Stramaglia, Maria Elena (Bern U.)
ATLAS is one of the four big LHC experiments and currently its Pixel Detector was upgraded with a new innermost 4th layer: the Insertable B-Layer (IBL). [...]
ATL-INDET-PROC-2014-012. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4376.
The Insertable B-Layer of the ATLAS Experiment for the Run-2 at the Large Hadron Collider / Guescini, Francesco (Geneva U.)
The Pixel Detector of the ATLAS experiment has shown excellent performance during the whole Run-1 of LHC. [...]
ATL-INDET-PROC-2014-013. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4377.
Top quark charge asymmetry measurements with ATLAS detector / De Sanctis, U. (Sussex U.)
The top quark charge asymmetry measurements performed with ATLAS detector at a centre-of-mass energy of 7 TeV are presented..
arXiv:1411.3544. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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4378.
Characterization and commissioning of the ATLAS micromegas quadruplet prototype / Bianco, Michele (CERN)
Micromegas (Micro Mesh Gaseous Structure) chambers have been chosen for the New Small Wheel (NSW) project, the upgrade of the forward muon spectrometer of the ATLAS experiment both to provide precision tracking and contribute to the trigger. [...]
ATL-MUON-PROC-2014-010. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4379.
On-Detector Electronics for the ATLAS TileCal Demonstrator / Muschter, Steffen Lothar (Stockholm U.) ; Akerstedt, Henrik (Stockholm U.) ; Anderson, Kelby (Chicago U.) ; Bohm, Christian (Stockholm U.) ; Drake, Gary (Argonne) ; Oreglia, Mark (Chicago U.) ; Paramonov, Alexander (Argonne) ; Tang, Fukun (Chicago U.)
In the major upgrade of the LHC and its detectors around year 2023 the beam energy and luminosity will increase significantly. [...]
ATL-TILECAL-PROC-2014-022. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4380.
Diffraction and forward physics results of the ATLAS experiment from the Run I / Tasevsky, Marek (ASCR, Prague)
Various aspects of forward physics have been studied by the ATLAS collaboration using data from Run I at the LHC. [...]
ATL-PHYS-PROC-2014-246. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4381.
ATLAS Pixel IBL Modules Construction Experience and Developments for Future Upgrade / Gaudiello, Andrea (INFN, Genoa ; Genoa U.)
The first upgrade of the ATLAS Pixel Detector is the Insertable B-Layer (IBL), just installed in May 2014 in the core of ATLAS. [...]
ATL-INDET-PROC-2014-014. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4382.
Performance tests during the ATLAS IBL Stave Integration / Jentzsch, Jennifer (Dortmund U.)
In preparation of the ATLAS Pixel Insertable B-Layer integration, detector components, so called staves, were mounted around the Beryllium ATLAS beam pipe and tested using production quality assurance measurements as well as dedicated data taking runs to validate a correct grounding and shielding schema. [...]
ATL-INDET-PROC-2014-015. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4383.
Searches with Boosted Objects / Behr, Janna Katharina (Oxford U.)
Boosted objects - particles whose transverse momentum is greater than twice their mass - are becoming increasingly important as the LHC continues to explore energies in the TeV range. [...]
ATL-PHYS-PROC-2014-247 ; arXiv:1411.3521. - 2014. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4384.
Electroweak Measurements from ATLAS / Benekos, Nektarios (Natl. Tech. U., Athens)
ATLAS measurements of multiboson production processes involving combinations of W,Z and isolated photons are summarized [...]
ATL-PHYS-PROC-2014-248. - 2014. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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4385.
Firmware development and testing of the ATLAS Pixel Detector / IBL ROD card / Gabrielli, Alessandro (INFN, Bologna ; Bologna U.) ; Backhaus, Malte (CERN) ; Balbi, Gabriele (INFN, Bologna ; Bologna U.) ; Bindi, Marcello (Gottingen U.) ; Chen, Shaw-pin (Washington U.) ; Falchieri, Davide (INFN, Bologna ; Bologna U.) ; Flick, Tobias (Wuppertal U.) ; Hauck, Scott Alan (Washington U.) ; Hsu, Shih-Chieh (Washington U.) ; Kretz, Moritz (Heidelberg U.) et al.
The ATLAS Experiment is reworking and upgrading systems during the current LHC shut down. [...]
ATL-INDET-PROC-2014-016. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4386.
Impact of ATLAS electromagnetic calibration on precision measurements / Becot, Cyril (Orsay, LAL)
Since the discovery of the Brout-Englert-Higgs boson a lot of effort has been devoted to the measurement of its properties. [...]
ATL-PHYS-PROC-2014-249. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4387.
The ATLAS Level-1 Muon Topological Trigger Information for Run 2 of the LHC / Silva Oliveira, Marcos Vinicius (Juiz de Fora U.) ; Artz, Sebastian (Mainz U.) ; Bauss, Bruno (Mainz U.) ; Boterenbrood, Hendrik (NIKHEF, Amsterdam) ; Buescher, Volker (Mainz U.) ; Cerqueira, Augusto Santiago (Juiz de Fora U.) ; Degele, Reinold (Mainz U.) ; Dhaliwal, Saminder (NIKHEF, Amsterdam) ; Ellis, Nicolas (CERN) ; Farthouat, Philippe (CERN) et al.
For the next run of the LHC, the ATLAS Level-1 trigger system will include topological information on trigger objects from the calorimeters and muon detectors. [...]
ATL-DAQ-PROC-2014-041. - 2015. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4388.
Exotics Searches at ATLAS / Pöttgen, Ruth (CERN ; Mainz U.)
While the Standard Model of particle physics is a very successful theory and has been tested to hold with great precision in numerous experiments, it still leaves a number of open questions. [...]
arXiv:1411.4292 ; ATL-PHYS-PROC-2014-250 ; ATL-PHYS-PROC-2014-250. - 2014. - 14 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint - Fulltext
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4389.
Upgrade of the ATLAS Central Trigger for LHC Run-2 / Artz, Sebastian (Mainz U.) ; Bauss, Bruno (Mainz U.) ; Boterenbrood, Hendrik (NIKHEF, Amsterdam) ; Buescher, Volker (Mainz U.) ; Degele, Reinold (Mainz U.) ; Dhaliwal, Saminder (NIKHEF, Amsterdam) ; Ellis, Nicolas (CERN) ; Farthouat, Philippe (CERN) ; Galster, Gorm Aske Gram (Copenhagen U.) ; Ghibaudi, Marco (CERN) et al.
The increased energy and luminosity of the LHC in the run-2 data taking period requires a more selective trigger menu in order to satisfy the physics goals of ATLAS. [...]
ATL-DAQ-PROC-2014-042. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4390.
Inclusive searches for squarks and gluinos with the ATLAS detector / Rammensee, M (CERN)
Searches for squarks and gluinos in final states contain high-$p_{T}$ jets, missing transverse momentum, light leptons, taus and photons are presented. [...]
ATL-PHYS-PROC-2014-251. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4391.
Use of hardware accelerators for ATLAS computing / Dankel, Maik (Wuppertal U.) ; Kama, Sami (Southern Methodist U.) ; Howard, Jacob (Oxford U.) ; Bauce, Matteo (INFN, Roma ; Roma U.) ; Boing, Rene (Wuppertal U.)
Modern HEP experiments produce tremendous amounts of data. [...]
ATL-SOFT-PROC-2014-010. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4392.
Measurement of the top quark mass in topologies enhanced with single top quarks produced in the $t$-channel at $\sqrt{s}=8\,\mathrm{TeV}$ using the ATLAS experiment / Esch, Hendrik (Dortmund U.)
This article presents a measurement of the top quark mass in topologies enhanced with single top quarks produced in the $t$-channel produced via weak interactions. [...]
ATL-PHYS-PROC-2014-252. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4393.
Upgrade of the ATLAS Level-1 Calorimeter Trigger / Mueller, Felix (Heidelberg, Max Planck Inst.)
The Level-1 calorimeter trigger (L1Calo) operated successfully during the first data taking phase of the ATLAS experiment at the LHC. [...]
ATL-DAQ-PROC-2014-043. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4394.
Doubly-charged Higgs searches by ATLAS / Nuti, Francesco (ARC, CoEPP, Melbourne)
A search for new physics in dilepton final states with same electric charge, $e^{\pm}e^{\pm}$, $e^{\pm}\mu^{\pm}$ and $\mu^{\pm}\mu^{\pm}$, with the ATLAS detector at LHC, is presented. [...]
ATL-PHYS-PROC-2014-253. - 2014. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4395.
First Measurements of Spin Correlation Using Semi-leptonic $t\bar{t}$ Events at ATLAS / Lemmer, Boris (Gottingen U., II. Phys. Inst.)
The top quark decays before it hadronizes. [...]
arXiv:1411.5529 ; ATL-PHYS-PROC-2014-254. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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4396.
Data-driven background estimations in H+ analyses in ATLAS / McCarn, Allison (Michigan U.)
Included are proceedings for the Charged 2014 Conference at Uppsala University, for a contributed talk describing the major data-driven background estimation techniques used in $H^{+} \rightarrow \tau \nu$ searches conducted on collisions produced by the LHC and recorded by the ATLAS detector. [...]
ATL-PHYS-PROC-2014-255. - 2014. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4397.
Search for direct production of charginos and neutralinos decaying via the 125 GeV Higgs boson in $\sqrt{s}$ = 8 TeV $pp$ collisions with the ATLAS detector
A search for the direct pair production of charginos and neutralinos $pp\to\tilde{\chi}_1^\pm\tilde{\chi}_2^0$ is presented, where the chargino decays via a $W$ boson $\tilde{\chi}_1^\pm\to \tilde{\chi}_1^0 (W^{\pm}\to\ell^{\pm}\nu)$, while the neutralino decays via the 125 GeV Higgs boson $\tilde{\chi}_2^0\to \tilde{\chi}_1^0 (h\to bb/\gamma\gamma/\ell^{\pm}\nu qq)$ to the lightest neutralino. [...]
ATLAS-CONF-2014-062. - 2014.
Original Communication (restricted to ATLAS) - Fulltext
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4398.
Electroweak Measurements with Multiple Gauge Boson Interactions / Sood, Alexander (LBL, Berkeley)
These proceedings present measurements from ATLAS and CMS using proton-proton collisions with center-of-mass energies of 7 TeV and 8 TeV at the LHC that are sensitive to interactions between EW gauge bosons. [...]
ATL-PHYS-PROC-2014-256. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4399.
Experience on 3D Silicon Sensors for ATLAS IBL / Darbo, G. (INFN, Genoa)
3D silicon sensors, where plasma micro-machining is used to etch deep narrow apertures in the silicon substrate to form electrodes of PIN junctions, represent possible solutions for inner pixel layers of the tracking detectors in high energy physics experiments. [...]
arXiv:1411.6937 ; ATL-INDET-PROC-2014-017 ; ATL-INDET-PROC-2014-017. - 2015-05-05. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext
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4400.
Search for $W'\rightarrow t\bar{b}$ in the lepton plus jets final states with the ATLAS detector at the LHC / Gilles, Geoffrey (Clermont-Ferrand U.)
This document presents a search for a W' boson, decaying to a top quark and a b quark in an effective coupling approach, using a multivariate method based on boosted decision trees. [...]
arXiv:1411.7856. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4401.
Micromegas chambers for the ATLAS muon spectrometer upgrade / Ntekas, Konstantinos (Natl. Tech. U., Athens)
Micromegas, an abbreviation for Micro MEsh Gaseous Structure, is a robust detector with excellent spatial resolution and high rate capability. [...]
ATL-MUON-PROC-2014-011. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4402.
Search for Scalar-Charm Pair-Production with the ATLAS Detector in $pp$ Collisions at $\sqrt{s}=$ 8 TeV
The results of a dedicated search for pair production of scalar partners of charm quarks are reported. [...]
ATLAS-CONF-2014-063. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Fulltext
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4403.
Measurement of the Inclusive and Fiducial Cross-Section of Single Top-Quark $t$-Channel Events in $pp$ Collisions at $\sqrt{s}$ = 8 TeV. / Tepel, Phillipp (Bergische U., Wuppertal (main))
This article presents the measurement of a $t$-channel single top-quark production fiducial cross-section in the lepton+jets channel with 20.3~fb$^{-1}$ of 8~TeV data using a neural-network discriminant. [...]
arXiv:1411.7627 ; ATL-PHYS-PROC-2014-258. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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4404.
Review of physics results using jet substructure techniques in LHC Run1 / Negrini, Matteo (INFN, Bologna ; Bologna U.)
The possible existence of phenomena beyond the standard model of particle physics at the TeV scale implies the production of highly boosted heavy objects, whose decay products tend to be collimated and can be reconstructed as jets with large radius parameter. [...]
ATL-PHYS-PROC-2014-259. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4405.
ATLAS Strip Detector: Operational Experience and Run1-> Run2 Transition / Nagai, Koichi (Oxford U.)
Large hadron collider was operated very successfully during the Run1 and provided a lot of opportunities of physics studies. [...]
ATL-INDET-PROC-2014-018. - 2014. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4406.
Recent Results on SUSY and Exotica Searches at the LHC / Grout, Zara Jane (Sussex U.)
A review is presented of searches for Beyond the Standard Model (BSM) physics at the ATLAS and CMS experiments at the Large Hadron Collider (LHC) with emphasis on most recent results. [...]
ATL-PHYS-PROC-2014-260. - 2015. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4407.
Search for charged Higgs bosons in ATLAS using the τ+jets final state / Kopp, Anna Katharina (Freiburg U.)
The results of searches for charged Higgs bosons decaying to a τ lepton and a neutrino are pre- sented. [...]
ATL-PHYS-PROC-2014-261. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4408.
Search for the Standard Model Higgs boson production in association with top quarks in pp collisions at 8 TeV with the ATLAS detector / Moreno Llacer, Maria (Gottingen U., II. Phys. Inst.)
The search for the production of the Higgs boson associated with a pair of top quarks in the ATLAS experiment is presented. [...]
arXiv:1411.7638 ; ATL-PHYS-PROC-2014-262. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Full text
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4409.
Recent results on associated vector boson production with the ATLAS and CMS experiments / Chouridou, Sofia (Athens U.)
Recent results on associated vector boson production with the ATLAS and CMS experiments
ATL-PHYS-PROC-2014-263. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4410.
Review of recent top-quark LHC combinations / Cortiana, Giorgio (Munich, Max Planck Inst.) ; on behalf of the ATLAS and CMS collaborations within the TOPLHCWG
A review of recent combinations of top-quark measurements performed at the LHC, by the ATLAS and CMS collaborations, is provided. [...]
arXiv:1411.7642 ; ATL-PHYS-PROC-2014-264. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text - Fulltext
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4411.
The sROD Module for the ATLAS Tile Calorimeter Upgrade Demonstrator / Carrio Argos, Fernando (Valencia U.) ; Castillo Gimenez, Victoria (Valencia U.) ; Ferrer, Antonio (Valencia U.) ; Fiorini, Luca (Valencia U.) ; Hernandez Jimenez, Yesenia (Valencia U.) ; Higon-Rodriguez, Emilio (Valencia U.) ; Mellado Garcia, Bruce Rafael (Witwatersrand U.) ; Moreno Marti, Pablo (Witwatersrand U.) ; Reed, Robert (Witwatersrand U.) ; Solans, Carlos (CERN) et al.
This work presents the first prototype of the super Read-Out Driver (sROD) demonstrator board for the Tile Calorimeter Demonstrator project. [...]
ATL-TILECAL-PROC-2014-023. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4412.
Top-quark mass measurements: Alternative techniques (LHC + Tevatron) / Adomeit, Stefanie (Munich U.)
Measurements of the top-quark mass employing alternative techniques are presented, performed by the D0 and CDF collaborations at the Tevatron as well as the ATLAS and CMS experiments at the LHC. [...]
arXiv:1411.7917 ; ATL-PHYS-PROC-2014-265. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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4413.
Experimental results on $t\bar{t}+W/Z/\gamma$ and SM top couplings from the Tevatron and the LHC / Vázquez Schröder, Tamara (Gottingen U., II. Phys. Inst.)
Experimental results from the CDF and D0 Collaborations at the Tevatron and the ATLAS and CMS Collaborations at the LHC on the processes related to probing top quark couplings are presented. [...]
arXiv:1412.0139 ; ATL-PHYS-PROC-2014-266. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint - Fulltext
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4414.
Experimental results in the boosted regime / Erdmann, Johannes (Dortmund U.)
An overview of analyses using data at $\sqrt{s}$ = 7 TeV and 8 TeV of proton-proton collisions at the LHC is presented. [...]
ATL-PHYS-PROC-2014-267. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4415.
Online precision gas evaluation of the ATLAS Muon Spectrometer during LHC Run1 / Geng, Cong (Hefei, CUST ; Michigan U.)
The ATLAS Muon Spectrometer, a six story structure embedded in a toroidal magnetic field, is constructed of nearly 1200 Monitored Drift Tube chambers (MDTs) containing 354,000 aluminum drift tubes. [...]
ATL-MUON-PROC-2014-012. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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4416.
Review of BSM neutral Higgs results in ATLAS / Sales De Bruin, Pedro Henrique (Washington U.)
The search for beyond Standard Model physics is an active area of study at the LHC. [...]
ATL-PHYS-PROC-2014-268. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4417.
Experimental systematic uncertainties (and object reconstruction) on top physics, their correlations, comparison ATLAS vs CMS (vs Tevatron) and common agreements / Costa, Maria Jose (Valencia U., IFIC)
The experimental systematic uncertainties associated to the reconstruction and calibration of the objects appearing in top quark final states at the LHC and Tevatron are discussed. [...]
ATL-PHYS-PROC-2014-269. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4418.
Search for charged Higgs bosons using other final states / Sandoval Usme, Carlos (Antonio Narino U.)
Three different searches for charged Higgs bosons with the ATLAS detector were presented. [...]
ATL-PHYS-PROC-2014-270. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4419.
Measurement of the charge asymmetry in dileptonic decays of top quark pairs in $pp$ collisions at $\sqrt{s}=7$ TeV using the ATLAS detector / Deterre, Cecile (DESY) ; Mijović, Liza (IRFU, SPP, Saclay ; Bonn U.)
A measurement of the top--antitop ($t\bar{t}$) charge asymmetry is presented using 2011 LHC data collected by the ATLAS detector corresponding to an integrated luminosity of 4.6 fb$^{-1}$ at a centre-of-mass energy of 7 TeV. [...]
arXiv:1412.0570 ; ATL-PHYS-PROC-2014-271. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text - Fulltext
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4420.
Impact of ATLAS measurements on PDFs / Orlando, Nicola (Thessaloniki U.)
A review of the ATLAS measurements sensitive to parton distribution functions is presented. [...]
ATL-PHYS-PROC-2014-272. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4421.
A Leakage Current-based Measurement of the Radiation Damage in the ATLAS Pixel Detector / Gorelov, Igor V. (UNM, Albuquerque)
A measurement has been made of the radiation damage incurred by the ATLAS Pixel Detector barrel silicon modules from the beginning of operations through the end of 2012. [...]
arXiv:1501.07192 ; ATL-INDET-PROC-2014-019. - 2015-04-23. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Full text
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4422.
ATLAS Pythia 8 tunes to 7 TeV data / Buckley, Andrew (Glasgow U.)
"One page" proceedings summary and outlook for the MPI@LHC2014 workshop..
ATL-PHYS-PROC-2014-273. - 2015. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4423.
Measurements of $t$-channel single top-quark production cross sections at $\sqrt{s} = 7$ TeV with the ATLAS detector / Hirschbuehl, Dominic (Wuppertal U.)
This article presents measurements of the t-channel single top-quark $(t)$ and top-antiquark $(\bar{t})$ total production cross sections $\sigma(tq)$ and $\sigma(\bar{t}q)$, their ratio $R_t=\sigma(tq)/\sigma(\bar{t}q)$. [...]
ATL-PHYS-PROC-2014-274 ; arXiv:1412.2400. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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4424.
Status of the AFP project in the ATLAS experiment / Tasevsky, Marek (ASCR, Prague)
Status of the AFP project in the ATLAS experiment is summarized. [...]
ATL-FWD-PROC-2014-002. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4425.
Measurements of event shapes and particle production with the ATLAS detector / Astalos, Robert (Bratislava, Inst. Phys.)
Measurements of event shapes, particle production and their correlations with the ATLAS detector The evolution of the event shape variables, such as the transverse thrust, thrust minor and transverse sphericity have been studied for minimum bias events as a function of momentum scale. [...]
ATL-PHYS-PROC-2014-275. - 2015. - 1 p.
Original Communication (restricted to ATLAS) - Full text
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4426.
Physics Performance with the ATLAS Pixel Detector / Miglioranzi, Silvia (INFN, Udine ; Udine U.)
The ATLAS Pixel Detector is the innermost detector of the ATLAS experiment at the Large Hadron Collider at CERN, providing high-resolution measurements of charged particle trajectories in the high radiation environment close to the collision region. [...]
ATL-INDET-PROC-2014-020. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4427.
SUSY searches with the ATLAS detector / Ancu, Lucian-Stefan (Geneva U.)
Highlights of the search for SUSY at ATLAS are presented emphasising on the variety of searches that were performed in the LHC Run I in p-p collisions at a centre of mass of 7 TeV and 8TeV. [...]
arXiv:1412.2784 ; ATL-PHYS-PROC-2014-276. - 2014. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint - Fulltext
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4428.
High-$p_\mathrm{T}$ probes of $p$+Pb collisions with ATLAS / Perepelitsa, Dennis (Brookhaven Natl. Lab.)
Measurements of high $p_\mathrm{T}$ processes in ultrarelativistic proton--nucleus collisions are sensitive to changes in the partonic densities arising from the presence of the nuclear environment. [...]
ATL-PHYS-PROC-2014-277. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4429.
Diffraction and Forward Physics in ATLAS: results and perspectives / Bruschi, Marco (INFN, Bologna ; Bologna U.)
The present and future potential of ATLAS for diffraction and forward physics is presented. [...]
ATL-PHYS-PROC-2014-278. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4430.
Search for monotop events using the ATLAS detector at the LHC / Theveneaux-Pelzer, Timothée (CERN)
A search for the production of single-top-quarks in association with missing energy performed in proton{proton collisions at a centre-of-mass energy of 8 TeV with the ATLAS experiment is presented. [...]
ATL-PHYS-PROC-2014-279 ; arXiv:1412.3629. - 2014. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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4431.
Measurement of hard double-parton interactions in $W (\rightarrow \ell \nu)$~+ 2 jet events at $\sqrt{s}=$~7~TeV with the ATLAS detector / Gueta, Orel (Tel Aviv U.)
The productions of jets in association with a vector boson are important processes for understanding the effect of QCD radiation on forward and central jet activity and can be used to study the contribution of multi-particle interactions. [...]
ATL-PHYS-PROC-2014-280. - 2014. - 1 p.
Original Communication (restricted to ATLAS) - Full text
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4432.
ATLAS and CMS review of SM Higgs searches: bosonic and fermionic decays / Kourkoumelis, Christine (Athens U.)
The most recent results from the ATLAS and the CMS experiments at CERN on the Standard Model Higgs boson, are reviewed. [...]
ATL-PHYS-PROC-2014-281. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4433.
Recent Results on Flow and Correlations in Heavy Ion Collisions from the ATLAS Experiment / Trzupek, Adam (Cracow, INP)
Measurements of soft particle production have provided valuable insight on properties of the Quark Gluon Plasma created in Pb+Pb collisions at the LHC. [...]
ATL-PHYS-PROC-2014-282. - 2014. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4434.
Search for $t\bar{t}H$ production at the LHC / Owen, Mark (Glasgow U.)
The searches for the production of the Higgs boson associated with a pair of top quarks in the ATLAS and CMS experiments are presented. [...]
GLAS-PPE-2014-04 ; ATL-PHYS-PROC-2014-283 ; arXiv:1412.4560 ; GLAS-PPE-2014-04 ; ATL-PHYS-PROC-2014-283. - 2014. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint
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4435.
Demonstrator System for the Phase-I Upgrade of the Trigger Readout Electronics of the ATLAS Liquid-Argon Calorimeters / Chen, Kai (Brookhaven Natl. Lab.)
The trigger readout electronics of the ATLAS Liquid Argon (LAr) Calorimeters will be improved for the Phase- I luminosity upgrade of the LHC, to enhance the trigger feature extraction. [...]
ATL-LARG-PROC-2014-009. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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4436.
Quality Factor for the Hadronic Calorimeter in High Luminosity Conditions / Seixas, Jose (UFRJ, Rio de Janeiro) ; Balabram Filho, Luiz Eduardo (UFRJ, Rio de Janeiro) ; Manhaes de Andrade Filho, Luciano (Juiz de fora U.) ; Sotto-Maior-Peralva, Bernardo (Juiz de Fora U.)
The Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of ATLAS experiment and has about 10,000 eletronic channels. [...]
ATL-TILECAL-PROC-2014-024. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4437.
Studies of Monte Carlo generators in Higgs boson production for ATLAS Run 2
This note presents studies for Monte Carlo (MC) event generators of the Higgs boson to be used in ATLAS Run 2. [...]
ATL-PHYS-PUB-2014-022. - 2014. - 55 p.
Original Communication (restricted to ATLAS) - Full text
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4438.
Performance and Calibration of the JetFitterCharm Algorithm for c-Jet Identification
An impact parameter and secondary-vertex based charm tagging algorithm, JetFitterCharm, has been developed to distinguish $c$-quark jets from either $b$-quark or light-flavoured ($u$,$d$,$s$-quark or gluon) jets. [...]
ATL-PHYS-PUB-2015-001. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4439.
Unified system for processing real and simulated data in the ATLAS experiment
The physics goals of the next Large Hadron Collider run include high precision tests of the Standard Model and searches for new physics. [...]
ATL-SOFT-PUB-2015-001. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4440.
Comparison of Monte Carlo generator predictions to ATLAS measurements of top pair production at 7 TeV
This note summarizes some of the latest Monte Carlo generator studies using ttbar events in ATLAS. [...]
ATL-PHYS-PUB-2015-002. - 2015. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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4441.
Studies of azimuthal decorrelation of dijets with a jet veto with ATLAS / Pleskot, Vojtech (Charles U.)
Measurements of di-jet systems with a veto on additional jets, probe QCD radiation effects. [...]
ATL-PHYS-PROC-2015-001. - 2015. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4442.
Search for heavy resonances at the LHC / Crépé-Renaudin, Sabine (LPSC, Grenoble)
Numerous models beyond the Standard Model theory predict new heavy particles or high energy phenomena that would appear as heavy resonances in collider data. [...]
ATL-PHYS-PROC-2015-002. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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4443.
Charged Higgs boson searches at the LHC / Chakraborty, Dhiman (Northern Illinois U.)
We present the latest results from searches for singly charged Higgs bosons carried out by the ATLAS and CMS Collaborations at the LHC. [...]
ATL-PHYS-PROC-2015-003. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4444.
Jet fragmentation and multijet studies in heavy ion collisions at ATLAS / Spousta, Martin (Charles U.)
We report on two measurements done by ATLAS in a context of exploring the jet quenching physics at LHC: the jet fragmentation measurement and the measurement of \nearby jet production. [...]
ATL-PHYS-PROC-2015-004. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4445.
Sharing ATLAS data and research with young students / Pedersen, Maiken (Oslo U.) ; Ould-Saada, Farid (Oslo U.) ; Bugge, Magnar Kopangen (Oslo U.)
In recent years the International Masterclasses (IMC) featured the use of real experimental data as produced by the Large Hadron Collider (LHC) and collected by the detectors. [...]
ATL-OREACH-PROC-2015-001. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4446.
How the HYPATIA analysis tool is used as a hands-on experience to introduce HEP to high schools / Kourkoumelis, C (Athens U.) ; Vourakis, S (Athens U.)
HYPATIA'' is a tool for interactive analysis of data from the ATLAS experiment at the Large Hadron Collider of CERN. [...]
ATL-OREACH-PROC-2015-002. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4447.
Innovating science communication / Goldfarb, Steven (Michigan U.) ; Marcelloni De Oliveira, Claudia (Birmingham U.) ; Shaw, Kate (INFN, Udine)
The ATLAS Education & Outreach project has, over the years, developed a strong reputation for supporting innovation. [...]
ATL-OREACH-PROC-2015-003. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4448.
ATLAS Virtual Visits : bringing the world into the ATLAS control room / Goldfarb, Steven (Michigan U.) ; Yacoob, Sahal (Johannesburg U.)
ATLAS Virtual Visits is a project initiated in 2011 for the Education & Outreach program of the ATLAS Experiment at CERN. [...]
ATL-OREACH-PROC-2015-004. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4449.
The Pixel Detector of the ATLAS Experiment for LHC Run-2 / Pernegger, Heinz (CERN)
The Pixel Detector of the ATLAS experiment has shown excellent performance during the whole Run-1 of LHC. [...]
ATL-INDET-PROC-2015-001. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4450.
ALFA Detector Control System / Oleiro Seabra, Luis Filipe (LIP, Lisbon)
ALFA (Absolute Luminosity For ATLAS) is one of the sub-detectors of ATLAS/LHC. [...]
ATL-FWD-PROC-2015-001. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4451.
Non-SUSY Beyond Standard Model Searches: Recent Results from ATLAS and CMS / Malek, Fairouz (LPSC, Grenoble)
The Standard Model of particle physics is a sensational success, especially since the discovery of the 125 GeV Higgs boson. [...]
ATL-PHYS-PROC-2015-005. - 2015. - 13 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4452.
Analogues between tuning TCP for Data Acquisition and Datacenter Networks / Jereczek, G (CERN ; Maynooth U.) ; Lehman-Miotto, G (CERN) ; Malone, D (Maynooth U.)
A many-to-one communication pattern is present both in Data Acquisition (DAQ) and datacenter networks. [...]
ATL-DAQ-PROC-2015-001. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4453.
Search for exotic Higgs-boson decays in events with at least one photon, missing transverse momentum, and two forward jets produced in $\sqrt{s}$ = 8 TeV $\boldsymbol{pp}$ collisions with the ATLAS detector
A search is performed for Higgs-boson decays to neutralinos and/or gravitinos in events with at least one photon, missing transverse momentum and two forward jets, a topology where vector boson fusion production is enhanced. [...]
ATLAS-CONF-2015-001. - 2015. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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4454.
Recent results from Beyond Standard Model (BSM) searches at LHC / Bawa, Harinder Singh (Fresno State)
We present the results and prospects for searches beyond the Standard Model (SM) at the LHC by the ATLAS and CMS collaborations [...]
ATL-PHYS-PROC-2015-006. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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4455.
Exclusive Jet Production with Forward Proton Tagging
The feasibility of measuring central exclusive jet production at ATLAS using the AFP detectors is presented. [...]
ATL-PHYS-PUB-2015-003. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4456.
Measurement of the total proton - proton cross section at $\sqrt{s}=$ 7 TeV with the ATLAS detector at the LHC / Knapik, Joanna (Cracow, INP)
The ATLAS measurement of the total proton-proton cross section $\sqrt{s}=$ 7 TeV is presented. [...]
ATL-PHYS-PROC-2015-007. - 2015. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Jagiellonian U. Open Access article
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4457.
SUSY Searches in the ATLAS Experiment / Lee JR, Lawrence (University of Adelaide)
Recent results from the ATLAS experiment at the LHC in the search for supersymmetry are presented. [...]
ATL-PHYS-PROC-2015-008. - 2015. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4458.
Search for the Higgs boson in fermionic channels using the ATLAS detector / Mochizuki, Kazuya (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS)
The property measurements of the recently discovered boson at around the mass of 125 GeV con rm that it is compatible with the Higgs boson which is predicted by the Standard Model. [...]
ATL-PHYS-PROC-2015-009. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4459.
Jet global sequential corrections with the ATLAS detector in proton-proton collisions at sqrt(s) = 8 TeV
The determination of the jet energy scale and the achievement of the optimal performance in terms of jet energy resolution are of key importance to many LHC physics analyses. [...]
ATLAS-CONF-2015-002. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4460.
BSM searches in ATLAS / Policicchio, Antonio (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
Results are presented for searches beyond the Standard Model (SM) at the LHC by the ATLAS collaboration. [...]
ATL-PHYS-PROC-2015-010. - 2015. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4461.
Search for new light gauge bosons in Higgs boson decays to four-lepton final states in $pp$ collisions at $\sqrt{s}=8~$TeV with the ATLAS detector at the LHC.
This paper presents a search for Higgs bosons decaying to four leptons via one or two light exotic gauge bosons $Z_d$, $H\to Z Z_d \to 4\ell$ and $H \to Z_dZ_d \to 4\ell$ ($\ell=e$ or $\mu$). [...]
ATLAS-CONF-2015-003. - 2015. - 52 p.
Original Communication (restricted to ATLAS) - Full text
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4462.
Search for an Invisibly Decaying Higgs Boson Produced via Vector Boson Fusion in $pp$ Collisions at $\sqrt{s}=8$ TeV using the ATLAS Detector at the LHC
A search for Higgs bosons produced via vector boson fusion and decaying into invisible particles using 20.3 fb$^{-1}$ of data recorded by the ATLAS detector at the LHC is presented. [...]
ATLAS-CONF-2015-004. - 2015. - 32 p.
Original Communication (restricted to ATLAS) - Full text
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4463.
Study of the Higgs boson decaying to $WW^*$ produced in association with a weak boson with the ATLAS detector at the LHC
The search for Higgs boson production in association with a $W$ or a $Z$ boson, in the decay channel $H \to WW^*$, is performed with a data sample collected with the ATLAS detector at the LHC in proton-proton collisions at centre-of-mass energies $\sqrt{s}=7~{\rm TeV}$ and $8~{\rm TeV}$, corresponding to integrated luminosities of 4.5 ${\rm fb}^{-1}$ and 20.3 ${\rm fb}^{-1}$, respectively. [...]
ATLAS-CONF-2015-005. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4464.
Search for the associated production of the Higgs boson with a top quark pair in multi-lepton final states with the ATLAS detector
A search for the associated production of the Higgs boson with a top quark pair is performed in multi-lepton final states using 20.3 fb$^{-1}$ of proton-proton collision data recorded by the ATLAS experiment at $\sqrt{s}=8$ TeV at the Large Hadron Collider. [...]
ATLAS-CONF-2015-006. - 2015. - 39 p.
Original Communication (restricted to ATLAS) - Full text
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4465.
Dijet resonance searches with the ATLAS detector at 14 TeV LHC
In view of the energy upgrade of the LHC for Run-2, the reach of the exotic dijets analysis has been investigated. [...]
ATL-PHYS-PUB-2015-004. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4466.
ATLAS Data Access Policy
ATLAS has fully supported the principle of open access in its publication policy. [...]
ATL-CB-PUB-2015-001. - 2015. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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4467.
Measurements of the Higgs boson production and decay rates and coupling strengths using pp collision data at √s = 7 and 8 TeV in the ATLAS experiment
Combined analyses of the Higgs boson production and decay rates as well as of its coupling strengths to vector bosons and fermions are presented. [...]
ATLAS-CONF-2015-007. - 2015. - 61 p.
Original Communication (restricted to ATLAS) - Full text
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4468.
Study of the spin and parity of the Higgs boson in HVV decays with the ATLAS detector
In this paper, studies of the spin, parity and Lagrangian tensor structure of the Higgs boson in the \hZZ , \hWW\ and \hgg\ decay processes at the LHC are presented. [...]
ATLAS-CONF-2015-008. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4469.
A search for $\mathbf{t\bar{t}}$ resonances using lepton plus jets events in proton-proton collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector
A search for new particles that decay into top quark pairs is reported. [...]
ATLAS-CONF-2015-009. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4470.
Statistical combination of all-hadronic and one-lepton analyses targeting scalar top pair production using proton-proton collisions at √ s = 8 TeV with the ATLAS detector
A statistical combination of two analyses targeting direct stop pair production and requiring respectively no leptons and one lepton in the final state is presented. [...]
ATLAS-CONF-2015-010. - 2015. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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4471.
Combination of searches for strongly-produced supersymmetric particles with the ATLAS detector in proton-proton collision data at $\sqrt{s}$=8 TeV
This note presents the combination of three ATLAS searches for squarks and gluinos in 20 $fb^{−1}$ of proton-proton collisions at $\sqrt{s}$=8 TeV. [...]
ATLAS-CONF-2015-011. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4472.
Search for production of vector-like quark pairs and of four top quarks in the lepton plus jets final state in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
A search is presented for pair production of vector-like quarks, both up-type ($T$) and down-type ($B$), as well as for four-top-quark production. [...]
ATLAS-CONF-2015-012. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4473.
Search for metastable heavy charged particles with large ionisation energy loss in pp collisions at sqrt (s) = 8 TeV using the ATLAS experiment
Many extensions of the Standard Model predict the existence of charged and heavy long-lived particles, such as R-hadrons or charginos. [...]
ATLAS-CONF-2015-013. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4474.
Expected sensitivity studies for gluino and squark searches using the early LHC 13 TeV Run-2 dataset with the ATLAS experiment
The current searches in the LHC Run-1 dataset have yielded sensitivity to TeV scale gluinos, as well as to third generation squarks in the hundreds of GeV mass range. [...]
ATL-PHYS-PUB-2015-005. - 2015. - 18 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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4475.
The Optimization of ATLAS Track Reconstruction in Dense Environments
This note presents recent changes in the ATLAS track reconstruction chain derived from detailed studies of track reconstruction in dense environments. [...]
ATL-PHYS-PUB-2015-006. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4476.
Noise dependency with pile-up in the ATLAS Tile Calorimeter / Araque Espinosa, Juan Pedro (Laboratorio de Instrumentacao e Fisica Experimental de Particulas (LIP)) ; Castro, Nuno Filipe (Laboratorio de Instrumentacao e Fisica Experimental de Particulas (LIP)) - Institute reviewer
The Tile Calorimeter, TileCal, is the central hadronic calorimeter of the ATLAS experiment, positioned between the electromagnetic calorimeter and the muon chambers. [...]
ATL-TILECAL-PROC-2015-001. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4477.
Study of the $B_c^+ \to J/\psi D_s^+$ and $B_c^+ \to J/\psi D_s^{*+}$ decays with the ATLAS detector
The decays $B_c^+ \to J/\psi D_s^+$ and $B_c^+ \to J/\psi D_s^{*+}$ are studied with the ATLAS detector at the LHC using a dataset corresponding to integrated luminosities of 4.9 fb$^{-1}$ and 20.6 fb$^{-1}$ of $pp$ collisions collected at centre-of-mass energies $\sqrt{s} = 7$ and $8$ TeV, respectively. [...]
ATLAS-CONF-2015-014. - 2015. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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4478.
A search for $B-L$ $R$-Parity violating scalar top decays in $\sqrt{s} = 8$ TeV $pp$ collisions with the ATLAS experiment
A search is presented for direct scalar top pair production where the scalar tops decay via an $R$-parity-violating coupling to a final state with two leptons and two identified $b$-jets. [...]
ATLAS-CONF-2015-015. - 2015. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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4479.
A study of the sensitivity to the Pythia8 parton shower parameters of $t\bar{t}$ production measurements in $pp$ collisions at $\sqrt{s} = 7$ TeV with the ATLAS experiment at the LHC
Various measurements of $t\bar{t}$ observables, performed by the ATLAS experiment in $pp$ collisions at $\sqrt{s} = 7$ TeV, are used to constrain the initial- and final-state radiation parameters of the Pythia8 Monte Carlo. [...]
ATL-PHYS-PUB-2015-007. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4480.
The ATLAS Tile Calorimeter / Henriques Correia, Ana Maria (CERN)
TileCal is the Hadronic calorimeter covering the most central region of the ATLAS experiment at the LHC. [...]
ATL-TILECAL-PROC-2015-002. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4481.
ATLAS Distributed Data Analysis: challenges and performance / Fassi, Farida (University Mohammed V-Agdal)
In the LHC operations era the key goal is to analyse the results of the collisions of high-energy particles as a way of probing the fundamental forces of nature. [...]
ATL-SOFT-PROC-2015-001. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4482.
The Upgrade of the ATLAS Tile Calorimeter Readout Electronics for Phase II / ATLAS Tile Collaboration ; Reed, Robert (School of Physics, University of the Witwatersrand)
The Large Hadron Collider at CERN is scheduled to undergo a major upgrade, called the Phase II Upgrade, in 2022. [...]
ATL-TILECAL-PROC-2015-003. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4483.
Top quark physics in the ATLAS detector: summary of Run I results / Moreno Llacer, Maria (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
An overview of the most recent results on top quark physics obtained using proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider at $\sqrt{s}$ = 7 TeV or $\sqrt{s}$ = 8 TeV centre-of-mass energy are presented. [...]
ATL-PHYS-PROC-2015-011. - 2015. - 15 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4484.
Performance of the ATLAS Tile Calorimeter / Heelan, Louise (The University of Texas at Arlington) ; ATLAS Collaboration
The ATLAS Tile hadronic calorimeter (TileCal) provides highly-segmented energy measurements of incoming particles. [...]
ATL-TILECAL-PROC-2015-004. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4485.
Radiation Tolerant Electronics and Digital Processing for the Phase-I Trigger Readout Upgrade of the ATLAS Liquid Argon Calorimeters / Milic, Adriana (CERN)
The high luminosities of $\mathcal{L} > 10^{34} \mathrm{cm}^{-2} \mathrm{s}^{-1}$at the Large Hadron Collider (LHC) at CERN produce an intense radiation environment that the detectors and their electronics must withstand. [...]
ATL-LARG-PROC-2015-001. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4486.
Looking for a hidden sector in exotic Higgs boson decays with the ATLAS experiment / Coccaro, Andrea (Department of Physics, University of Washington, Seattle)
The nature of dark matter is one of the most intriguing questions in particle physics. [...]
ATL-PHYS-PROC-2015-012. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4487.
Jet energy scale and its uncertainty for jets reconstructed using the ATLAS heavy ion jet algorithm
The jet energy scale (JES) and its systematic uncertainty are determined for jets measured with the ATLAS detector at the LHC, reconstructed using techniques developed for jet measurements for heavy ion (HI) collisions. [...]
ATLAS-CONF-2015-016. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4488.
Data-driven determination of the energy scale and resolution of jets reconstructed in the ATLAS calorimeters using dijet and multijet events at $\sqrt{s\ }=8~TeV$
The response of the ATLAS calorimeter to jets is studied using data-driven techniques for proton-proton collisions at $\sqrt{s} = 8~$TeV recorded by ATLAS in 2012. [...]
ATLAS-CONF-2015-017. - 2015. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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4489.
An imaging algorithm for vertex reconstruction for ATLAS Run-2
The reconstruction of vertices corresponding to proton--proton collisions in ATLAS is an essential element of event reconstruction used in many performance studies and physics analyses. [...]
ATL-PHYS-PUB-2015-008. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4490.
ATLAS Inner Detector Alignment Performance with February 2015 Cosmic Rays Data
Results of the first alignment of the new insertable B-Layer, which was installed during the first long shutdown, are presented. [...]
ATL-PHYS-PUB-2015-009. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4491.
Search for dark matter with the ATLAS detector / ATLAS Collaboration
This paper presents the results of several searches for dark matter with the ATLAS experiment at LHC using proton-proton collisions at $\sqrt{s} = 8$~TeV. [...]
ATL-PHYS-PROC-2015-013. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4492.
Higgs Physics in ATLAS / Fassouliotis, Dimitris (National and Kapodistrian University of Athens (GR))
An overview of Higgs boson physics program performed in the ATLAS experiment at LHC is presented, using the entire set of Run I data collected in 2011 and 2012. [...]
ATL-PHYS-PROC-2015-014. - 2015. - 27 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4493.
FTK Input Mezzanine and Data Formatter for the Fast Tracker at ATLAS / Iizawa, Tomoya (Waseda University, Waseda Research Institute for Science and engineering (WISE))
The Fast Tracker (FTK) is an integral part of trigger upgrade program for the ATLAS detector. [...]
ATL-DAQ-PROC-2015-002. - 2015. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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4494.
Fast Tracker (FTK): A Hardware Track Finder for the ATLAS Trigger / Mitani, Takashi (Waseda University, Waseda Research Institute for Science and engineering (WISE)) ; ATLAS Collaboration
During the 2010-2012 run of Large Hadron Collider experiment, the ATLAS trigger system was successfully operated and it contributed to several important results such as observation of Higgs boson with a mass of about 125 GeV. [...]
ATL-DAQ-PROC-2015-003. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4495.
Top quark property measurements with ATLAS / Rudolph, Matthew Scott (Department of Physics, University of Toronto)
This contribution covers recent results on the properties of the top quark as measured with the ATLAS detector at the Large Hadron Collider, using data collected at center-of-mass energies of 7 and 8 TeV during 2011 and 2012. [...]
ATL-PHYS-PROC-2015-015. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4496.
The Serial Link Processor for the Fast TracKer (FTK) processor at ATLAS / Biesuz, Nicolo Vladi (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Citraro, Saverio (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Luciano, Pierluigi (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Magalotti, Daniel (INFN Laboratori Nazionali di Frascati) ; Rossi, Enrico (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
The Associative Memory (AM) system of the Fast Tracker (FTK) processor has been designed to perform pattern matching using the hit information of the ATLAS experiment silicon tracker. [...]
ATL-DAQ-PROC-2015-004. - 2015. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4497.
Latest B-physics results from ATLAS / Kirk, Julie (Rutherford Appleton Laboratory)
Recent $B$-physics measurements from the ATLAS detector at the LHC are presented using data collected during 2011 and 2012. [...]
ATL-PHYS-PROC-2015-016. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4498.
Higgs boson couplings to bosons with the ATLAS detector: run 1 legacy / Petit, Elisabeth (DESY, Hamburg and Zeuthen)
The final ATLAS measurements of Higgs boson production and couplings in the decay channels $H \rightarrow ZZ^{(*)} \rightarrow \ell\ell\ell\ell$, $H \rightarrow \gamma\gamma$ and $H \rightarrow WW^{(*)} \rightarrow \ell\nu\ell\nu$ are presented, based on the run 1 of the LHC. [...]
ATL-PHYS-PROC-2015-017. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4499.
ATLAS Data Preservation Policy
The principal intent of this document is to describe the ATLAS policy ensuring that its data are maintained reliably in a form accessible to ATLAS members. [...]
ATL-CB-PUB-2015-002. - 2015. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4500.
New data access with HTTP/WebDAV in the ATLAS experiment / Elmsheuser, Johannes (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Walker, Rodney (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Serfon, Cedric (CERN) ; Garonne, Vincent (University of Oslo) ; Blunier, Sylvain (Pontificia Universidad Catolica de Chile) ; Lavorini, Vincenzo (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica) ; Nilsson, Paul (Brookhaven National Laboratory (BNL))
With the exponential growth of LHC (Large Hadron Collider) data in the years 2010-2012, distributed computing has become the established way to analyse collider data. [...]
ATL-SOFT-PROC-2015-002. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4501.
Search for new light gauge bosons in Higgs decays to four-lepton events at s√s=8 TeV with the ATLAS detector / Paredes Hernandez, Daniela (Aristotle University of Thessaloniki)
This study presents a search for Higgs bosons decaying to four leptons via one or two light exotic gauge bosons $Z_d$, $H\rightarrow ZZ_d\rightarrow4\ell$ and $H\rightarrow Z_dZ_d\rightarrow4\ell$. [...]
ATL-PHYS-PROC-2015-018. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4502.
Electroweak Physics (di-boson production) measurements with ATLAS / Bachas, Konstantinos (Aristotle University of Thessaloniki) ; ATLAS Collaboration
This paper is intended to give an overview of the ATLAS results on the production cross sections of gauge boson pairs using data from $pp$ collisions at $\sqrt{s}=7\:$TeV for $W\gamma,Z\gamma,W^{\pm}W^{\mp},ZZ,W^{\pm}Z$ and $WV$, where $V=W^{\pm}$ or $Z$ and $\sqrt{s}=8\:$TeV for $ZZ,W^{\pm}W^{\mp},WZ$ and $W^{\pm}W^{\pm}$ at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2015-019. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4503.
Implementation of the ATLAS Run 2 event data model / Buckley, Andrew (University of Glasgow, SUPA - School of Physics and Astronomy) ; Eifert, Till (CERN) ; Elsing, Markus (CERN) ; Gillberg, Dag Ingemar (CERN) ; Koeneke, Karsten (Albert-Ludwigs-Universitaet Freiburg, Fakultaet fuer Mathematik und Physik) ; Krasznahorkay, Attila (CERN) ; Moyse, Edward (University of Massachusetts, Amherst) ; Nowak, Marcin (Brookhaven National Laboratory (BNL)) ; Snyder, Scott (Brookhaven National Laboratory (BNL)) ; van Gemmeren, Peter (Argonne National Laboratory)
During the 2013--2014 shutdown of the Large Hadron Collider, ATLAS switched to a new event data model for analysis, called the xAOD. [...]
ATL-SOFT-PROC-2015-003. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4504.
SUSY Searches: Recent Results from ATLAS and CMS / Rammensee, Michael (CERN)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extension. [...]
ATL-PHYS-PROC-2015-020. - 2015. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4505.
Fine grained event processing on HPCs with the ATLAS Yoda system / Calafiura, Paolo (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; De, Kaushik (The University of Texas at Arlington) ; Guan, Wen (Department of Physics, University of Wisconsin) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Nilsson, Paul (Brookhaven National Laboratory (BNL)) ; Oleynik, Danila (Joint Institute for Nuclear Research) ; Panitkin, Sergey (Brookhaven National Laboratory (BNL)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; van Gemmeren, Peter (Argonne National Laboratory) ; Wenaus, Torre (Brookhaven National Laboratory (BNL))
High performance computing facilities present unique challenges and opportunities for HENP event processing. [...]
ATL-SOFT-PROC-2015-004. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4506.
Spanish ATLAS Tier-2: facing up to LHC Run 2 / for the ATLAS collaboration - co-author co-author co-author co-author co-author co-author co-author co-author co-author co-author co-author co-author
The goal of this work is to describe the way of addressing the main challenges of Run-2 by the Spanish ATLAS Tier-2. [...]
ATL-SOFT-PROC-2015-005. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4507.
AGIS: Evolution of Distributed Computing Information system for ATLAS / Anisenkov, Alexey (Budker Institute of Nuclear Physics, Siberian Branch of Russian Academy of Sciences) ; Di Girolamo, Alessandro (CERN) ; Alandes Pradillo, Maria (CERN) ; Karavakis, Edward (CERN Tier-0)
The variety of the ATLAS Computing Infrastructure requires a central information system to define the topology of computing resources and to store the different parameters and configuration data which are needed by the various ATLAS software components. [...]
ATL-SOFT-PROC-2015-006. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - IOP Open Access article - Full text - Full text
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4508.
Collecting and analysing data at high pile-up with ATLAS and CMS / Styles, Nicholas Adam (DESY, Hamburg and Zeuthen)
Detector layouts for the Phase 2 upgrades of ATLAS and CMS, designed for operation at the High-Luminosity LHC (HL-LHC) under conditions with pile-up of 140 and beyond, will be presented and discussed. [...]
ATL-UPGRADE-PROC-2015-001. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4509.
The ATLAS Fast Monte Carlo Production Chain Project / Jansky, Roland Wolfgang (Institut fuer Astro- und Teilchenphysik der Leopold-Franzens-Universitaet Innsbruck)
During the last years ATLAS has successfully deployed a new integrated simulation framework (ISF) which allows a flexible mixture of full and fast detector simulation techniques within the processing of one event. [...]
ATL-SOFT-PROC-2015-007. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4510.
The ATLAS EventIndex: architecture, design choices, deployment and first operation experience / Barberis, Dario (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Cardenas Zarate, Simon Ernesto (Universidad Tecnica Federico Santa Maria) ; Cranshaw, Jack (Argonne National Laboratory) ; Favareto, Andrea (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Fernandez Casani, Alvaro (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Gallas, Elizabeth (Department of Physics, Oxford University) ; Glasman, Claudia (Physics Department, Universidad Autonoma de Madrid) ; Gonzalez de la Hoz, Santiago (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Hrivnac, Julius (LAL, Universite Paris-Sud, IN2P3/CNRS) ; Malon, David (Argonne National Laboratory) et al.
The EventIndex is the complete catalogue of all ATLAS events, keeping the references to all files that contain a given event in any processing stage. [...]
ATL-SOFT-PROC-2015-008. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4511.
Improving Packet Processing Performance in the ATLAS FELIX Project / Schumacher, Jorn (CERN) ; Anderson, John Thomas (Argonne National Laboratory) ; Borga, Andrea (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef) ; Boterenbrood, Hendrik (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef) ; Chen, Hucheng (Brookhaven National Laboratory (BNL)) ; Chen, Kai (Brookhaven National Laboratory (BNL)) ; Drake, Gary (Argonne National Laboratory) ; Francis, David (CERN) ; Gorini, Benedetto (CERN) ; Lanni, Francesco (Brookhaven National Laboratory (BNL)) et al.
Experiments in high-energy physics (HEP) and related fields often impose constraints and challenges on data acquisition systems. [...]
ATL-DAQ-PROC-2015-005. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4512.
Improved ATLAS HammerCloud Monitoring for local Site Administration / Boehler, Michael (Albert-Ludwigs-Universitaet Freiburg, Fakultaet fuer Mathematik und Physik) ; Elmsheuser, Johannes (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Hoenig, Friedrich (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Legger, Federica (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Sciacca, Francesco Giovanni (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics) ; Mancinelli, Valentina (CERN)
Every day hundreds of tests are run on the Worldwide LHC Computing Grid for the ATLAS, and CMS experiments in order to evaluate the performance and reliability of the different computing sites. [...]
ATL-SOFT-PROC-2015-009. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4513.
ATLAS computing on CSCS HPC / Hostettler, Michael Artur (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics) ; Filipcic, Andrej (Jozef Stefan Institute and University of Ljubljana, Department of Physics) ; Haug, Sigve (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics) ; Walker, Rodney (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Weber, Michele (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics)
The Piz Daint Cray XC30 HPC system at CSCS, the Swiss National Supercomputing centre, was in 2014 the highest ranked European system on TOP500, also featuring GPU accelerators. [...]
ATL-SOFT-PROC-2015-010. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4514.
gLExec Integration with the ATLAS PanDA Workload Management System / Karavakis, Edward (CERN) ; Barreiro Megino, Fernando Harald (The University of Texas at Arlington) ; Campana, Simone (CERN) ; De, Kaushik (The University of Texas at Arlington) ; Di Girolamo, Alessandro (CERN) ; Litmaath, Maarten (CERN) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Medrano Llamas, Ramon (CERN) ; Nilsson, Paul (Brookhaven National Laboratory (BNL)) ; Wenaus, Torre (Brookhaven National Laboratory (BNL))
ATLAS user jobs are executed on Worker Nodes (WNs) by pilots sent to sites by pilot factories. [...]
ATL-SOFT-PROC-2015-011. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4515.
ATLAS@Home: Harnessing Volunteer Computing for HEP / Bourdarios, Claire (LAL, Universite Paris-Sud, IN2P3/CNRS) ; Cameron, David (University of Oslo) ; Filipcic, Andrej (Jozef Stefan Institute and University of Ljubljana, Department of Physics) ; Lancon, Eric (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay) ; Wu, Wenjing (Institute of High Energy Physics, Chinese Academy of Sciences)
A recent common theme among HEP computing is exploitation of opportunistic resources in order to provide the maximum statistics possible for Monte-Carlo simulation. [...]
ATL-SOFT-PROC-2015-012. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4516.
Heavy flavour physics results from the ATLAS experiment / Dolezal, Zdenek (Charles University in Prague, Faculty of Mathematics and Physics)
ATLAS has a wide programme to study the production cross-section and decay properties of particles with beauty, as well as charmonium and bottomonium states. [...]
ATL-PHYS-PROC-2015-021. - 2015. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4517.
Searches for long lived supersymmetric particles with the ATLAS detector / Hayward, Helen (University of Liverpool)
Several supersymmetric extensions of the Standard Model predict the existence of new par- ticles whose lifetime can be comparable or longer than the time of flight through a collider detector. [...]
ATL-PHYS-PROC-2015-022. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4518.
Boosted $W$-Boson Identification at $\sqrt{s} = 8$~TeV with the ATLAS Detector / Delitzsch, Chris Malena (Section de Physique, Universite de Geneve)
The performance of boosted hadronic $W$-boson identification has been studied with the data collected in 2012 with the ATLAS detector and is presented here. [...]
ATL-PHYS-PROC-2015-023. - 2015.
Original Communication (restricted to ATLAS) - Full text - Full text
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4519.
The ATLAS Software Installation System v2: a highly available system to install and validate Grid and Cloud sites via Panda / De Salvo, Alessandro (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica) ; Maeno Kataoka, Mayuko (The University of Texas at Arlington) ; Sanchez, Arturo (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli) ; Smirnov, Yuri (Northern Illinois University)
The ATLAS Installation System v2 is the evolution of the original system, used since 2003. [...]
ATL-SOFT-PROC-2015-013. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4520.
The ATLAS Trigger System: Ready for Run-2 / Nakahama, Yu (CERN)
The ATLAS trigger has been used very successfully for the online event selection during the LHC's first run (Run-1) between 2009 and 2013 at a centre-of-mass energy ($\sqrt{s}$) between 900 GeV and 8 TeV. [...]
ATL-DAQ-PROC-2015-006. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4521.
Evolution of the Architecture of the ATLAS Metadata Interface (AMI) / Odier, Jerome (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Albrand, Solveig (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Fulachier, Jerome (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Lambert, Fabian (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC))
The ATLAS Metadata Interface (AMI) is now a mature application. [...]
ATL-SOFT-PROC-2015-014. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4522.
Distributed analysis in ATLAS / Legger, Federica (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Dewhurst, Alastair (Rutherford Appleton Laboratory)
The ATLAS experiment accumulated more than 140 PB of data during the first run of the Large Hadron Collider (LHC) at CERN. [...]
ATL-SOFT-PROC-2015-015. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4523.
ATLAS strategy for primary vertex reconstruction during Run-2 of the LHC / Borissov, Guennadi (Lancaster University, Department of Physics) ; Casper, David William (University of California, Irvine) ; Grimm, Kathryn (Lancaster University, Department of Physics) ; Pagan Griso, Simone (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Pedersen, Lars Egholm (Niels Bohr Institute (NBI), University of Copenhagen) ; Prokofiev, Kirill (Hong Kong University of Science and Technology) ; Rudolph, Matthew Scott (Department of Physics, University of Toronto) ; Wharton, Andrew Mark (Lancaster University, Department of Physics)
The reconstruction of vertices corresponding to proton--proton collisions in ATLAS is an essential element of event reconstruction used in many performance studies and physics analyses. [...]
ATL-SOFT-PROC-2015-016. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4524.
Development of a Next Generation Concurrent Framework for the ATLAS Experiment / Leggett, Charles (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Stewart, Graeme (University of Glasgow, SUPA - School of Physics and Astronomy) ; Calafiura, Paolo (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Wynne, Benjamin (University of Edinburgh) ; Malon, David (Argonne National Laboratory) ; Lampl, Walter (University of Arizona)
The ATLAS experiment has successfully used its Gaudi/Athena software framework for data taking and analysis during the first LHC run, with billions of events successfully processed. [...]
ATL-SOFT-PROC-2015-017. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4525.
Alignment of the ATLAS Inner Detector Upgraded for the LHC Run II / Jimenez Pena, Javier (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
ATLAS is equipped with a tracking system built using different technologies, silicon planar sensors (pixel and micro-strip) and gaseous drift- tubes, all embedded in a 2T solenoidal magnetic field. [...]
ATL-SOFT-PROC-2015-018. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4526.
Dual-use tools and systematics-aware analysis workflows in the ATLAS Run-2 analysis model / FARRELL, Steven (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Adams, David (Brookhaven National Laboratory (BNL)) ; Calafiura, Paolo (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Delsart, Pierre-Antoine (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Elsing, Markus (CERN) ; Koeneke, Karsten (Albert-Ludwigs-Universitaet Freiburg, Fakultaet fuer Mathematik und Physik) ; Krasznahorkay, Attila (CERN) ; Krumnack, Nils (Iowa State University) ; Lancon, Eric (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay) ; Lavrijsen, Wim (Lawrence Berkeley National Laboratory and University of California, Berkeley) et al.
The ATLAS analysis model has been overhauled for the upcoming run of data collection in 2015 at 13 TeV. [...]
ATL-SOFT-PROC-2015-019. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4527.
Running ATLAS workloads within massively parallel distributed applications using Athena Multi-Process framework (AthenaMP) / Calafiura, Paolo (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Leggett, Charles (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Seuster, Rolf (TRIUMF) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; van Gemmeren, Peter (Argonne National Laboratory)
AthenaMP is a multi-process version of the ATLAS reconstruction, simulation and data analysis framework Athena. [...]
ATL-SOFT-PROC-2015-020. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4528.
ATLAS Data Preservation / Jones, Roger (Lancaster University, Department of Physics)
Complementary to parallel open access and analysis preservation initiatives, ATLAS is taking steps to ensure that the data taken by the experiment during run-1 remain accessible and available for future analysis by the collaboration. [...]
ATL-SOFT-PROC-2015-021. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4529.
ATLAS I/O Performance Optimization in As-Deployed Environments / Maier, Thomas (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Benjamin, Douglas (Duke University, Department of Physics) ; Bhimji, Wahid (University of Edinburgh) ; Elmsheuser, Johannes (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; van Gemmeren, Peter (Argonne National Laboratory) ; Malon, David (Argonne National Laboratory) ; Krumnack, Nils (Iowa State University)
This paper provides an overview of an integrated program of work underway within the ATLAS experiment to optimise I/O performance for large-scale physics data analysis in a range of deployment environments. [...]
ATL-SOFT-PROC-2015-022. - 2015.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4530.
Scalable and fail-safe deployment of the ATLAS Distributed Data Management system Rucio / Lassnig, Mario (CERN) ; Vigne, Ralph (Institut fuer Astro- und Teilchenphysik der Leopold-Franzens-Universitaet Innsbruck) ; Beermann, Thomas Alfons (Bergische Universitaet (Wuppertal), Fachbereich Mathematik und Naturwissenschaften) ; Barisits, Martin-Stefan (CERN) ; Garonne, Vincent (University of Oslo) ; Serfon, Cedric (CERN)
This contribution details the deployment of Rucio, the ATLAS Distributed Data Management system. [...]
ATL-SOFT-PROC-2015-023. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4531.
The importance of having an appropriate relational data segmentation in ATLAS / Dimitrov, Gancho (CERN)
In this paper we describe specific technical solutions put in place in various database applications of the ATLAS experiment at LHC where we make use of several partitioning techniques available in Oracle 11g. [...]
ATL-SOFT-PROC-2015-024. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4532.
Dynamic Resource Allocation with the arcControlTower / Filipcic, Andrej (Jozef Stefan Institute and University of Ljubljana, Department of Physics) ; Cameron, David (University of Oslo) ; Nilsen, Jon Kerr (University of Oslo)
Distributed computing resources available for high-energy physics research are becoming less dedicated to one type of workflow and researchers’ workloads are increasingly exploiting modern computing technologies such as parallelism. [...]
ATL-SOFT-PROC-2015-025. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4533.
ATLAS Tracking Detector Upgrade studies using the Fast Simulation Engine / Calace, Noemi (Section de Physique, Universite de Geneve) ; Salzburger, Andreas (CERN)
The successful physics program Run-1 of the LHC has put a strong emphasis on design studies for future upgrades of the existing LHC detectors. [...]
ATL-SOFT-PROC-2015-026. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4534.
The ATLAS Event Service: A New Approach to Event Processing / Calafiura, Paolo (LBL, Berkeley) ; De, Kaushik (Texas U., Arlington) ; Guan, Wen (Wisconsin U., Madison) ; Maeno, Tadashi (Brookhaven) ; Nilsson, Paul (Brookhaven) ; Oleynik, Danila (Texas U., Arlington) ; Panitkin, Sergey (Brookhaven) ; Tsulaia, Vakhtang (LBL, Berkeley) ; van Gemmeren, Peter (Argonne, HEP) ; Wenaus, Torre (Brookhaven)
The ATLAS Event Service (ES) implements a new fine grained approach to HEP event processing, designed to be agile and efficient in exploiting transient, short-lived resources such as HPC hole-filling, spot market commercial clouds, and volunteer computing. [...]
ATL-SOFT-PROC-2015-027. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4535.
Measurements of Heavy Flavour Production at ATLAS and CMS / Gladilin, Leonid (M.V.Lomonosov Moscow State University)
Results of the ATLAS and CMS experiments on heavy flavour production at LHC, released or updated after the previous Moriond conference, are reviewed..
ATL-PHYS-PROC-2015-024. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4536.
Preparing ATLAS reconstruction software for LHC's Run 2 / ATLAS Collaboration ; Mitrevski, Jovan (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
In order to maximize the physics potential of the ATLAS detector during LHC's Run 2, the reconstruction software has been updated. [...]
ATL-SOFT-PROC-2015-028. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4537.
A JEE RESTful service to access Conditions Data in ATLAS / Formica, Andrea (IRFU, Saclay) ; Gallas, Elizabeth (Oxford U.)
Usage of Conditions Data in ATLAS is extensive for offline reconstruction and analysis (e.g.: alignment, calibration, data quality). [...]
ATL-SOFT-PROC-2015-029. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4538.
Hard probes at ATLAS / Pozdnyakov, Valery (Joint Institute for Nuclear Research)
Recent experimental results on hard probes in Pb+Pb and p+Pb collisions from the ATLAS Collaboration are presented. [...]
ATL-PHYS-PROC-2015-025. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4539.
ATLAS Distributed Computing in LHC Run2 / Campana, Simone (CERN)
The ATLAS Distributed Computing infrastructure has evolved after the first period of LHC data taking in order to cope with the challenges of the upcoming LHC Run2. [...]
ATL-SOFT-PROC-2015-030. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - IOP Open Access article
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4540.
Operation of the Upgraded ATLAS Level-1 Central Trigger System / Glatzer, Julian Maximilian Volker (CERN)
The ATLAS Level-1 Central Trigger (L1CT) system is a central part of ATLAS data-taking and has undergone a major upgrade for Run 2 of the LHC, in order to cope with the expected increase of instantaneous luminosity of a factor of 2 with respect to Run 1. [...]
ATL-DAQ-PROC-2015-007. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4541.
Distributed Data Collection for the ATLAS EventIndex / Sánchez, Javier (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Fernandez Casani, Alvaro (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Gonzalez de la Hoz, Santiago (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The ATLAS EventIndex contains records of all events processed by ATLAS, in all processing stages. [...]
ATL-SOFT-PROC-2015-031. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4542.
Performance and development plans for the Inner Detector trigger algorithms at ATLAS / Martin-haugh, Stewart (Rutherford Appleton Laboratory)
A description of the design and performance of the newly re-implemented tracking algorithms for the ATLAS trigger for LHC Run 2, to commence in spring 2015, is presented. [...]
ATL-DAQ-PROC-2015-008. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4543.
Real-time flavour tagging selection in ATLAS / Bertella, Claudia (Institut fuer Physik, Universitaet Mainz)
In high-energy physics experiments, online selection is crucial to identify the few interesting collisions from the large data volume processed. [...]
ATL-DAQ-PROC-2015-009. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4544.
Performance Evaluation of the ATLAS IBL Calibration / Kretz, Moritz (Ruprecht-Karls-University Heidelberg) ; ATLAS Collaboration
The Insertable-B-Layer has recently been commissioned at the ATLAS Experiment, adding 12~million channels to the existing Pixel Detector. [...]
ATL-INDET-PROC-2015-002. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4545.
Exploring JavaScript and ROOT technologies to create Web-based ATLAS analysis and monitoring tools / Sanchez, Arturo (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli)
We explore the potentialities of current web applications to create online interfaces that allow the visualization, interaction and real physics cut-based analysis and monitoring of processes trough a web browser. [...]
ATL-SOFT-PROC-2015-032. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4546.
ATLAS Metadata Infrastructure Evolution for Run 2 and Beyond / van Gemmeren, Peter (Argonne National Laboratory) ; Cranshaw, Jack (Argonne National Laboratory) ; Malon, David (Argonne National Laboratory) ; Vaniachine, Alexandre (Argonne National Laboratory)
ATLAS developed and employed for Run 1 of the Large Hadron Collider a sophisticated infrastructure for metadata handling in event processing jobs. [...]
ATL-SOFT-PROC-2015-033. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4547.
Status and future evolution of the ATLAS Offline Software / Seuster, Rolf (TRIUMF) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Stewart, Graeme (University of Glasgow, SUPA - School of Physics and Astronomy) ; Elsing, Markus (CERN)
These proceedings give a summary of the many software upgrade projects undertaken to prepare ATLAS for the challenges of LHC Run-2. [...]
ATL-SOFT-PROC-2015-034. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4548.
ATLAS TDAQ System Administration: evolution and re-design / Ballestrero, Sergio (University of Johannesburg, Department of Physics) ; Bogdanchikov, Alexander (Budker Institute of Nuclear Physics, Siberian Branch of Russian Academy of Sciences) ; Brasolin, Franco (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia) ; Contescu, Alexandru Cristian (University Politehnica Bucharest) ; Dubrov, Sergei (Budker Institute of Nuclear Physics, Siberian Branch of Russian Academy of Sciences) ; Fazio, Daniel (CERN) ; Korol, Aleksandr (Budker Institute of Nuclear Physics, Siberian Branch of Russian Academy of Sciences) ; Lee, Christopher Jon (University of Johannesburg, Department of Physics) ; Scannicchio, Diana (University of California, Irvine) ; Twomey, Matthew Shaun (Department of Physics, University of Washington, Seattle)
The ATLAS Trigger and Data Acquisition (TDAQ) system is responsible for the online processing of live data, streaming from the ATLAS experiment at the Large Hadron Collider (LHC) at CERN. [...]
ATL-DAQ-PROC-2015-010. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - Full text - IOP Open Access article
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4549.
A study of dynamic data placement for ATLAS distributed data management / Beermann, Thomas Alfons (Bergische Universitaet (Wuppertal), Fachbereich Mathematik und Naturwissenschaften) ; Stewart, Graeme (University of Glasgow, SUPA - School of Physics and Astronomy) ; Maettig, Peter (Bergische Universitaet (Wuppertal), Fachbereich Mathematik und Naturwissenschaften)
This contribution presents a study on the applicability and usefulness of dynamic data placement methods for data-intensive systems, such as ATLAS distributed data management (DDM). [...]
ATL-SOFT-PROC-2015-035. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4550.
Flow measurements in p+Pb and their comparison with Pb+Pb at ATLAS / Wozniak, Krzysztof (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
Particle anisotropic flow observed in the collisions of heavy nuclei is one of the signals of creation of the Quark-Gluon Plasma. [...]
ATL-PHYS-PROC-2015-026. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4551.
Evolution of ATLAS conditions data and its management for LHC Run-2 / Boehler, Michael (Albert-Ludwigs-Universitaet Freiburg, Fakultaet fuer Mathematik und Physik) ; Borodin, Mikhail (National Research Nuclear University MEPhI) ; Formica, Andrea (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay) ; Gallas, Elizabeth (Department of Physics, Oxford University) ; Radescu, Voica (DESY, Hamburg and Zeuthen)
The ATLAS detector at the LHC consists of several sub-detector systems. [...]
ATL-SOFT-PROC-2015-036. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4552.
Monitoring and controlling ATLAS data management: The Rucio web user interface / Lassnig, Mario (CERN) ; Beermann, Thomas Alfons (Bergische Universitaet (Wuppertal), Fachbereich Mathematik und Naturwissenschaften) ; Vigne, Ralph (Institut fuer Astro- und Teilchenphysik der Leopold-Franzens-Universitaet Innsbruck) ; Barisits, Martin-Stefan (CERN) ; Garonne, Vincent (University of Oslo) ; Serfon, Cedric (CERN)
The monitoring and controlling interfaces of the previous data management system DQ2 followed the evolutionary requirements and needs of the ATLAS collaboration. [...]
ATL-SOFT-PROC-2015-037. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4553.
An object-oriented approach to deploying highly configurable Web interfaces for the ATLAS experiment / Lange Ramos, Bruno (Universidade Federal do Rio De Janeiro, COPPE/EE/IF) ; Maidantchik, Carmen (Universidade Federal do Rio De Janeiro, COPPE/EE/IF) ; Pommes, Kathy (CERN) ; Pavani Neto, Varlen (Universidade Federal do Rio De Janeiro, COPPE/EE/IF) ; Vieira Arosa, Breno (Universidade Federal do Rio De Janeiro, COPPE/EE/IF) ; Abreu Da Silva, Igor (Univ. Federal do Rio de Janeiro (BR))
The ATLAS Technical Coordination disposes of 17 Web systems to support its operation. [...]
ATL-SOFT-PROC-2015-038. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4554.
The Database Driven ATLAS Trigger Configuration System / Martyniuk, Alex (Department of Physics and Astronomy, University College London) ; Stelzer, Harald Joerg (CERN) ; Faucci Giannelli, Michele (Department of Physics, Royal Holloway and Bedford New College) ; Panduro Vazquez, Jose Guillermo (Department of Physics, Royal Holloway and Bedford New College) ; Stockton, Mark (McGill University, Department of Physics) ; Chavez Barajas, Carlos Alberto (University of Sussex) - Developer Developer Developer Developer Developer
The ATLAS trigger configuration system uses a centrally provided relational database to store the configurations for all levels of the ATLAS trigger system. [...]
ATL-DAQ-PROC-2015-011. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4555.
The ATLAS ARC backend to HPC / Haug, Sigve (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics) ; Hostettler, Michael Artur (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics) ; Sciacca, Francesco Giovanni (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics) ; Weber, Michele (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics)
The current distributed computing resources used for simulating and processing collision data collected by the LHC experiments are largely based on dedicated x86 Linux clusters. [...]
ATL-SOFT-PROC-2015-039. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - IOP Open Access article
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4556.
A Validation System for the Complex Event Processing Directives of the ATLAS Shifter Assistant Tool / Santos, Alejandro (Universidad National de La Plata (UNLP)) ; Anders, Gabriel (CERN) ; Avolio, Giuseppe (CERN) ; Kazarov, Andrei (Petersburg Nuclear Physics Institute) ; Lehmann Miotto, Giovanna (CERN) ; Soloviev, Igor (University of California, Irvine)
Complex Event Processing (CEP) is a methodology that combines data from many sources in order to identify events or patterns that need particular attention. [...]
ATL-DAQ-PROC-2015-012. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4557.
Integration of PanDA workload management system with Titan supercomputer at OLCF / De, Kaushik (The University of Texas at Arlington) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Oleynik, Danila (Joint Institute for Nuclear Research) ; Panitkin, Sergey (Brookhaven National Laboratory (BNL)) ; Petrosyan, Artem (Joint Institute for Nuclear Research) ; Vaniachine, Alexandre (Argonne National Laboratory) ; Wenaus, Torre (Brookhaven National Laboratory (BNL)) ; Schovancova, Jaroslava (The University of Texas at Arlington)
The PanDA (Production and Distributed Analysis) workload management system (WMS) was developed to meet the scale and complexity of LHC distributed computing for the ATLAS experiment. [...]
ATL-SOFT-PROC-2015-040. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4558.
Triggering events with GPUs at ATLAS / Kama, Sami (Southern Methodist University, Department of Physics)
The growing complexity of events produced in LHC collisions demands more and more computing power both for the online selection and for the offline reconstruction of events [...]
ATL-DAQ-PROC-2015-013. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4559.
Development and test of the DAQ system for a Micromegas prototype to be installed in the ATLAS experiment / Zibell, Andre (Julius-Maximilians-University of W\"urzburg) ; Sidiropoulou, Ourania (Julius-Maximilians-University of W\"urzburg) ; Bianco, Michele (CERN) ; Martoiu, Victor Sorin (National Institute of Physics and Nuclear Engineering (IFIN-HH))
A Micromegas (MM) quadruplet prototype with an active area of 0.5 m 2 that adopts the general design foreseen for the upgrade of the innermost forward muon tracking systems (Small Wheels) of the ATLAS detector in 2018-2019, has been built at CERN and is going to be tested in the ATLAS cavern environment during the LHC RUN-II period 2015-2017. [...]
ATL-MUON-PROC-2015-001. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4560.
FELIX: a High-Throughput Network Approach for Interfacing to Front End Electronics for ATLAS Upgrades / Anderson, John Thomas (Argonne National Laboratory) ; Borga, Andrea (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef) ; Boterenbrood, Hendrik (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef) ; Chen, Hucheng (Brookhaven National Laboratory (BNL)) ; Chen, Kai (Brookhaven National Laboratory (BNL)) ; Drake, Gary (Argonne National Laboratory) ; Francis, David (CERN) ; Gorini, Benedetto (CERN) ; Lanni, Francesco (Brookhaven National Laboratory (BNL)) ; Lehmann Miotto, Giovanna (CERN) et al.
The ATLAS experiment at CERN is planning full deployment of a new unified optical link technology for connecting detector front end electronics on the timescale of the LHC Run 4 (2025). [...]
ATL-DAQ-PROC-2015-014. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4561.
A New Petabyte-scale Data Derivation Framework for ATLAS / Catmore, James (University of Oslo) ; Laycock, Paul (University of Liverpool) ; Gramstad, Eirik (University of Oslo) ; Gillam, Thomas (Cavendish Laboratory, University of Cambridge) ; Cranshaw, Jack (Argonne National Laboratory) ; Ozturk, Nurcan (The University of Texas at Arlington) ; Stewart, Graeme (University of Glasgow, SUPA - School of Physics and Astronomy)
During the Long Shutdown of the LHC, the ATLAS collaboration overhauled its analysis model based on experience gained during Run 1. [...]
ATL-SOFT-PROC-2015-041. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4562.
Designing a future Conditions Database based on LHC experience / Barberis, Dario (Genoa U. ; INFN, Genoa) ; Formica, Andrea (IRFU, Saclay) ; Gallas, Elizabeth (Oxford U.) ; Lehmann Miotto, Giovanna (CERN) ; Pfeiffer, A. (CERN) ; Govi, G. (Fermilab)
We describe a proposal for a new Conditions Database infrastructure that ATLAS and CMS (or other) experiments could use starting on the timescale of Run 3. [...]
ATL-SOFT-PROC-2015-042. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4563.
Tests of PROOF-on-Demand with ATLAS Prodsys2 and first experience with HTTP federation / Di Nardo, Roberto (INFN Laboratori Nazionali di Frascati) ; Ganis, Gerardo (CERN) ; Vilucchi, Elisabetta (INFN Laboratori Nazionali di Frascati) ; Antonelli, Mario (INFN Laboratori Nazionali di Frascati)
During the LHC Run-1, Grid resources in ATLAS have been managed by the PanDA and DQ2 systems. [...]
ATL-SOFT-PROC-2015-043. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4564.
The Higgs Machine Learning Challenge / Cowan, Glen (Department of Physics, Royal Holloway and Bedford New College) ; Rousseau, David (LAL, Universite Paris-Sud, IN2P3/CNRS)
The Higgs Machine Learning Challenge was an open data analysis competition that took place between May and September 2014. [...]
ATL-SOFT-PROC-2015-044. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4565.
Performance of the ATLAS Muon Trigger in Run I and Upgrades for Run II / Kobayashi, Dai (Tokyo Institute of Technology)
The ATLAS experiment at the Large Hadron Collider (LHC) has taken data at a centre-of-mass energy between 900 GeV and 8 TeV during Run I (2009-2013). [...]
ATL-DAQ-PROC-2015-015. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4566.
The ATLAS jet trigger performance in LHC Run I and Run II updates / Shimizu, Shima (Kobe University)
The Large Hadron Collider (LHC) provides proton-proton collisions with a high frequency of 40 MHz maximum and the ATLAS trigger performs the first event selections online during data-taking. [...]
ATL-DAQ>-PROC-2015-001. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4567.
Migration of the ATLAS Metadata Interface (AMI) to Web 2.0 and cloud / Odier, Jerome (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Albrand, Solveig (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Fulachier, Jerome (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Lambert, Fabian (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC))
The ATLAS Metadata Interface (AMI), a mature application of more than 10 years of existence, is currently under adaptation to some recently available technologies. [...]
ATL-SOFT-PROC-2015-045. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4568.
The ATLAS Trigger Core Configuration and Execution System in Light of the ATLAS Upgrade for LHC Run 2 / Heinrich, Lukas (Department of Physics, New York University)
During the 2013/14 shutdown of the Large Hadron Collider (LHC) the ATLAS first level trigger (L1) and the data acquisition system (DAQ) were substantially upgraded to cope with the increase in luminosity and collision multiplicity, expected to be delivered by the LHC in 2015. [...]
ATL-DAQ-PROC-2015-016. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4569.
Upgrade of the ATLAS Level-1 Trigger with event topology information / Simioni, Eduard (Institut fuer Physik, Universitaet Mainz) ; Artz, S (Mainz U., Inst. Phys.) ; Bauss, B (Mainz U., Inst. Phys.) ; Büscher, V (Mainz U., Inst. Phys.) ; Jakobi, K (Mainz U., Inst. Phys.) ; Kaluza, A (Mainz U., Inst. Phys.) ; Kahra, C (Mainz U., Inst. Phys.) ; Reiss, A (Mainz U., Inst. Phys.) ; Schäffer, J (Mainz U., Inst. Phys.) ; Schulte, A (Mainz U., Inst. Phys.) et al.
The Large Hadron Collider (LHC) in 2015 will collide proton beams with increased luminosity from \unit{10^{34}} up to \unit{3 \times 10^{34}cm^{-2}s^{-1}}. [...]
ATL-DAQ-PROC-2015-017. - 2015.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4570.
Design, Results, Evolution and Status of the ATLAS Simulation at Point1 Project / The ATLAS collaboration
Abstract. [...]
ATL-SOFT-PROC-2015-046. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - IOP Open Access article
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4571.
ATLAS and CMS Exotics Searches: Run 1 Results and Run 2 Prospects / Leney, Katharine (Department of Physics and Astronomy, University College London)
The latest results of searches for new physics beyond the Standard Model (non-SUSY) from the ATLAS and CMS collaborations are presented and prospects for searches for exotic phenomena during the LHC Run 2 are discussed..
ATL-PHYS-PROC-2015-027. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4572.
ATLAS High-Level Trigger algorithms for Run-2 data-taking / Schiavi, Carlo (INFN Genova and Universita' di Genova, Dipartimento di Fisica)
Following the successful Run-1 LHC data-taking, the long shutdown gave the opportunity for significant improvements in the ATLAS trigger capabilities, as a result of the introduction of new or improved Level-1 trigger hardware and significant restructuring of the DAQ infrastructure. [...]
ATL-DAQ-PROC-2015-018. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4573.
The Future of PanDA in ATLAS Distributed Computing / De, Kaushik (The University of Texas at Arlington) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Nilsson, Paul (Brookhaven National Laboratory (BNL)) ; Oleynik, Danila (Joint Institute for Nuclear Research) ; Panitkin, Sergey (Brookhaven National Laboratory (BNL)) ; Petrosyan, Artem (Joint Institute for Nuclear Research) ; Schovancova, Jaroslava (The University of Texas at Arlington) ; Vaniachine, Alexandre (Argonne National Laboratory) ; Wenaus, Torre (Brookhaven National Laboratory (BNL))
Experiments at the Large Hadron Collider (LHC) face unprecedented computing challenges. [...]
ATL-SOFT-PROC-2015-047. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4574.
Event-Driven Messaging for Offline Data Quality Monitoring at ATLAS / Onyisi, Peter (University of Texas at Austin)
During LHC Run 1, the information flow through the offline data quality monitoring in ATLAS relied heavily on chains of processes polling each other's outputs for handshaking purposes. [...]
ATL-SOFT-PROC-2015-048. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4575.
The Evolution of Cloud Computing in ATLAS / for the ATLAS collaboration
The ATLAS experiment has successfully incorporated cloud computing technology and cloud resources into its primarily grid-based model of distributed computing. [...]
ATL-SOFT-PROC-2015-049. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4576.
QuerySpaces on Hadoop for the ATLAS EventIndex / Hrivnac, Julius (LAL, Universite Paris-Sud, IN2P3/CNRS) ; Yuan, Ruijun (LAL, Universite Paris-Sud, IN2P3/CNRS) ; Cranshaw, Jack (Argonne National Laboratory) ; Favareto, Andrea (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Prokoshin, Fedor (Universidad Tecnica Federico Santa Maria) ; Glasman, Claudia (Physics Department, Universidad Autonoma de Madrid) ; Toebbicke, Rainer (CERN)
A Hadoop-based implementation of the adaptive query engine serving as the back-end for the ATLAS EventIndex. [...]
ATL-SOFT-PROC-2015-050. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4577.
Analysis Preservation in ATLAS / Cranmer, Kyle (Department of Physics, New York University) ; Heinrich, Lukas (Department of Physics, New York University) ; Jones, Roger (Lancaster University, Department of Physics) ; South, David (DESY, Hamburg and Zeuthen)
Long before data taking ATLAS established a policy that all analyses need to be preserved. [...]
ATL-SOFT-PROC-2015-051. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4578.
Resource control in ATLAS distributed data management: Rucio Accounting and Quotas / Barisits, Martin-Stefan (CERN) ; Serfon, Cedric (CERN) ; Garonne, Vincent (University of Oslo) ; Lassnig, Mario (CERN) ; Beermann, Thomas Alfons (Bergische Universitaet (Wuppertal), Fachbereich Mathematik und Naturwissenschaften) ; Vigne, Ralph (Institut fuer Astro- und Teilchenphysik der Leopold-Franzens-Universitaet Innsbruck)
The ATLAS Distributed Data Management system manages more than 160PB of physics data across more than 130 sites globally. [...]
ATL-SOFT-PROC-2015-052. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4579.
Tile-in-ONE: A web platform which integrates Tile Calorimeter data quality and calibration assessment / Sivolella Gomes, Andressa (Rio de Janeiro Federal U.) ; Ferreira, Fernando (Rio de Janeiro Federal U.) ; Maidantchik, Carmen (Rio de Janeiro Federal U.) ; Solans, Carlos (CERN) ; Burghgrave, Blake (Northern Illinois U.) ; Solodkov, Alexander (CERN)
The ATLAS Tile Calorimeter collaboration assesses the quality of calibration data in order to ensure its proper operation. [...]
ATL-TILECAL-PROC-2015-005. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4580.
SUSY: Blind spots at Run 1, perspectives at Run 2 and beyond / Polesello, Giacomo (INFN Pavia and Universita' di Pavia, Dipartimento di Fisica)
The searches for SUSY at LHC with Run 1 data performed by the ATLAS and CMS collaborations are reviewed, focusing on difficult topologies which reduce the experimental sensitivity to low mass particles. [...]
ATL-PHYS-PROC-2015-028. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4581.
Integration of the EventIndex with other ATLAS systems / Barberis, Dario (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Cardenas Zarate, Simon Ernesto (Universidad Tecnica Federico Santa Maria) ; Gallas, Elizabeth (Department of Physics, Oxford University) ; Prokoshin, Fedor (Universidad Tecnica Federico Santa Maria)
The ATLAS EventIndex System, developed for use in LHC Run 2, is designed to index every processed event in ATLAS, replacing the TAG System used in Run 1. [...]
ATL-SOFT-PROC-2015-053. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4582.
Measurement of other Higgs boson properties / Masubuchi, Tatsuya (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
The recent measurement of Higgs boson properties, cross section, spin-parity and non-standard model coupling (Lepton flavor violation, flavor changing neutral current), in the ATLAS and CMS experiments are reported. [...]
ATL-PHYS-PROC-2015-029. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4583.
The ATLAS Trigger/DAQ Authorlist / ATLAS TDAQ Collaboration ; Achenbach, R (Kirchhoff-Institut f\"{u}r Physik) ; Adelman, J (Northern Illinois University) ; Aielli, G (INFN Roma Tor Vergata and Universita' di Roma Tor Vergata, Dipartimento di Fisica) ; Aleksandrov, I N (Joint Institute for Nuclear Research) ; Alexandrov, E (Joint Institute for Nuclear Research) ; Alison, J (University of Chicago, Enrico Fermi Institute) ; Allbrooke, B M M (University of Birmingham) ; Aloisio, A (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli) ; Alonso, F (Universidad National de La Plata (UNLP)) et al.
This is the ATLAS Trigger/DAQ Authorlist, version 15.04 (April 01, 2015)..
ATL-DAQ-PUB-2015-001. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4584.
Constraints on promptly decaying supersymmetric particles with lepton-number- and R-parity-violating interactions using Run-1 ATLAS data
In this document, a selection of ATLAS searches for supersymmetry (SUSY), mostly optimised for R-parity-conserving SUSY, are reinterpreted in new R-parity-violating SUSY models where an unstable neutralino decays promptly to leptons and/or jets. [...]
ATLAS-CONF-2015-018. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4585.
Scaling up ATLAS production system for the LHC Run 2 and beyond: project ProdSys2 / Borodin, Mikhail (National Research Nuclear University MEPhI) ; De, Kaushik (The University of Texas at Arlington) ; García Navarro, José Enrique (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Golubkov, Dmitry (State Research Center Institute for High Energy Physics (IHEP)) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Vaniachine, Alexandre (Argonne National Laboratory)
The Big Data processing needs of the ATLAS experiment grow continuously, as more data and more use cases emerge. [...]
ATL-SOFT-PROC-2015-054. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4586.
Measurement of the top mass at the LHC / Balli, Fabrice (School of Physics and Astronomy, University of Manchester)
The top quark is the most massive fundamental particle ever observed. [...]
ATL-PHYS-PROC-2015-030. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4587.
Bringing ATLAS production to HPC resources - A use case with the Hydra supercomputer of the Max Planck Society / Kennedy, John (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Kluth, Stefan (Max-Planck-Institut fuer Physik) ; Mazzaferro, Luca (INFN Roma Tor Vergata and Universita' di Roma Tor Vergata, Dipartimento di Fisica) ; Walker, Rodney (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) - presenter
The possible usage of HPC resources by ATLAS is now becoming viable due to the changing nature of these systems and it is also very attractive due to the need for increasing amounts of simulated data. [...]
ATL-SOFT-PROC-2015-055. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4588.
Optimisation of the ATLAS Track Reconstruction Software for Run-2 / Salzburger, Andreas (CERN)
The reconstruction of particle trajectories in the tracking detectors of experiments at the Large Hadron Collider (LHC) is one of the most complex parts in analysing the collected data from beam-beam collisions. [...]
ATL-SOFT-PROC-2015-056. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4589.
Design and performance of the ATLAS jet trigger system / Tavares Delgado, Ademar (Laboratorio de Instrumentacao e Fisica Experimental de Particulas (LIP)) ; ATLAS Collaboration
The CERN Large Hadron Collider is the biggest and most powerful particle collider made by man. [...]
ATL-DAQ-PROC-2015-019. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4590.
Dark matter searches at ATLAS and CMS, Run1 results and Run2 potential / Doglioni, Caterina (Lunds universitet, Fysiska institutionen)
Despite the recent discovery of the Higgs boson contributing to the success of the Standard Model, the large excess of Dark Matter in the universe remains one of the outstanding questions in science. [...]
ATL-PHYS-PROC-2015-031. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4591.
Searches for other non-SUSY new phenomena at the LHC / Kajomovitz, Enrique (Duke University, Department of Physics)
The ATLAS and CMS collaborations collected datasets of approximately 20 fb−1 of pp col- √ lisions at s = 8 TeV produced by the LHC during the Run-1 period. [...]
ATL-PHYS-PROC-2015-032. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4592.
Measurement of the Top Quark Mass in Dileptonic Top Quark Pair Decays with $\mathbf{\sqrt{s}=7}$~TeV ATLAS Data / Maier, Andreas Alexander (Max-Planck-Institut fuer Physik)
The top quark mass in dileptonic top quark pair decays was measured using $4.7~\mathrm{fb}^{-1}$ of $\sqrt{s}=7~\mathrm{TeV}$ proton-proton ($pp$) collision data recorded by the ATLAS experiment at the LHC in 2011. [...]
ATL-PHYS-PROC-2015-033. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4593.
Study of correlation of PDF uncertainty in single top and top pair production at the LHC
The incomplete knowledge of parton distribution functions is an important source of systematic uncertainty for top-quark measurements, including top-quark pair and single top-quark production cross sections, as well as for analyses that have a large background from these processes. [...]
ATL-PHYS-PUB-2015-010. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4594.
Comparison of Monte Carlo generator predictions from Powheg and Sherpa to ATLAS measurements of top pair production at 7 TeV
This note summarizes some of the latest Monte Carlo generator studies using ttbar events in ATLAS. [...]
ATL-PHYS-PUB-2015-011. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4595.
Cluster Properties and Lorentz Angle Measurement in the 4-Layer Pixel Detector Using Cosmic Rays
The 4-layer Pixel Detector with the recently installed innermost layer called IBL saw its first data during the 2014 fall cosmic run. [...]
ATL-PHYS-PUB-2015-012. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4596.
Strong Production SUSY Searches at ATLAS and CMS / Marshall, Zach (Lawrence Berkeley National Laboratory and University of California, Berkeley)
The results of searches for strongly-produced supersymmetry at the Large Hadron Collider by the ATLAS and CMS collaborations are presented. [...]
ATL-PHYS-PROC-2015-034. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4597.
Study of the mechanical stability of the ATLAS Insertable B-Layer
During the commissioning and alignment of the ATLAS Insertable B-Layer (IBL) using cosmic-ray data, a mechanical distortion of the IBL was observed. [...]
ATL-INDET-PUB-2015-001. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4598.
Design and Construction of Large Size Micromegas Chambers for the ATLAS Upgrade of the Muon Spectrometer / Jeanneau, Fabien (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay)
Large area Micromegas detectors will be employed for the first time in high-energy physics experiments. [...]
ATL-MUON-PROC-2015-002. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4599.
Proposal for particle-level object and observable definitions for use in physics measurements at the LHC
Measurements and theory predictions at the proton-proton collider LHC become increasingly precise. [...]
ATL-PHYS-PUB-2015-013. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4600.
Firmware Development for the ATLAS TileCal sROD / Moreno Marti, Pablo (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Carrio Argos, Fernando (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Valero, Alberto (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
TileCal is the central hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider (LHC) at CERN. [...]
ATL-TILECAL-PROC-2015-006. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4601.
Performance of pile-up mitigation techniques for jets in pp collisions with the ATLAS detector / Testa, Marianna (INFN Laboratori Nazionali di Frascati)
The large rate of multiple simultaneous proton-proton interactions, or pile-up, generated by the Large Hadron Collider in Run I required the development of many new techniques to mitigate the adverse effects of these conditions. [...]
ATL-PHYS-PROC-2015-035. - 2015. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4602.
The new ATLAS/LUCID detector / Bruschi, Marco (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia)
The new ATLAS luminosity monitor has many innovative aspects implemented. [...]
ATL-FWD-PROC-2015-002. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4603.
Single top production at the LHC / Escobar, Carlos (University of Pittsburgh)
A review of the recent results on measurements of cross-sections and top quark properties in single top quark processes, performed at the LHC by ATLAS and CMS is presented. [...]
ATL-PHYS-PROC-2015-036. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4604.
Commissioning and Initial Run-2 Operation of the ATLAS Minimum Bias Trigger Scintillators / Dano Hoffmann, Maria (IRFU, Saclay)
The Minimum Bias Trigger Scintillators (MBTS) are sub-detectors in ATLAS delivering the primary trigger for selecting events from low luminosity proton-proton, lead-lead and lead-proton collisions with the smallest possible bias. [...]
ATL-DAQ-PROC-2015-020. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4605.
Research and Development for a Free-Running Readout System for the ATLAS LAr Calorimeters at the High Luminosity LHC / Hils, Maximilian (Dresden, Tech. U.)
The ATLAS Liquid Argon (LAr) Calorimeters were designed and built to measure electromagnetic and hadronic energy in proton-proton collisions produced at the Large Hadron Collider (LHC) at centre-of-mass energies up to \SI{14}{\tera\electronvolt} and instantaneous luminosities up to \SI{d34}{\per\centi\meter\squared\per\second}. [...]
ATL-LARG-PROC-2015-002. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4606.
Upgrade of the Laser Calibration System for the ATLAS Hadronic Calorimeter TileCal / Van Woerden, Marius Cornelis (CERN)
We present in this contribution the new system for laser calibration of the ATLAS hadronic calorimeter TileCal. [...]
ATL-TILECAL-PROC-2015-007. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4607.
Performance of the ATLAS Tile Calorimeter / Cerda Alberich, Leonor (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; ATLAS Tile Collaboration
The Tile Calorimeter of the ATLAS experiment at the LHC is the central hadronic calorimeter designed for energy reconstruction of hadrons, jets, tau-particles and missing transverse energy. [...]
ATL-TILECAL-PROC-2015-008. - 2015. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4608.
Silicon strip tracking detector development and prototyping for the Phase-II upgrade of the ATLAS experiment / Kuehn, Susanne (Freiburg U.)
In about ten years from now, the Phase-2 upgrade of the LHC is planned. [...]
ATL-UPGRADE-PROC-2015-002. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4609.
ATLAS LAr calorimeter performance and LHC Run-2 commissioning / Spettel, Fabian (Munich, Max Planck Inst.)
The ATLAS detector was built to study proton-proton collisions produced by the Large Hadron Collider (LHC) at a center of mass energy of up to 14 TeV. [...]
ATL-LARG-PROC-2015-003. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4610.
The readiness of the ATLAS Trigger-DAQ system for the second LHC run / Rammensee, Michael (CERN)
After its first shutdown, the Large Hadron Collider (LHC) will provide proton-proton collisions with increased luminosity and energy. [...]
ATL-DAQ-PROC-2015-021. - 2015. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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4611.
A Fast hardware tracker for the ATLAS Trigger / Pandini, Carlo Enrico (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), UPMC, Universite Paris-Diderot, CNRS/IN2P3)
The trigger system at the ATLAS experiment is designed to lower the event rate occurring from the nominal bunch crossing at 40 MHz to about 1 kHz for a designed LHC luminosity of 10$^{34}$ cm$^{-2}$ s$^{-1}$. [...]
ATL-DAQ-PROC-2015-022. - 2015. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4612.
The upgrade of the ATLAS first-level calorimeter trigger / Yamamoto, Shimpei (Tokyo U., ICEPP)
The first-level calorimeter trigger (L1Calo) had operated successfully through the first data taking phase of the ATLAS experiment at the CERN Large Hadron Collider. [...]
ATL-LARG-PROC-2015-004. - 2016.
Original Communication (restricted to ATLAS) - Full text
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4613.
Improvements to ATLAS Track Reconstruction for Run II / Cairo, Valentina Maria (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
Run II of the LHC will provide new challenges to track and vertex reconstruction with higher energies, denser jets and higher rates. [...]
ATL-PHYS-PROC-2015-037. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4614.
Upgrade of the ATLAS Tile Calorimeter for the High luminosity LHC / Usai, Giulio (The University of Texas at Arlington)
The hadronic calorimeter of ATLAS (TileCal) will undergo a complete replacement of its on-detector and off-detector electronics for the high luminosity programme of the LHC in 2024. [...]
ATL-TILECAL-PROC-2015-009. - 2015. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4615.
L1Track : a fast Level 1 track trigger for the ATLAS High Luminosity Upgrade / Cerri, Alessandro (Sussex U.)
With the planned high-luminosity upgrade of the LHC (HL-LHC), the ATLAS detector will see its collision rate increase by approximately a factor of 5 with respect to the current LHC operation. [...]
ATL-DAQ-PROC-2015-023. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4616.
Calibration and Data Quality systems of the ATLAS Tile Calorimeter during the LHC Run-I operations / Zenis, Tibor (Comenius U.)
The Tile Calorimeter is the hadronic calorimeter covering the central region of the ATLAS detector at the LHC. [...]
ATL-TILECAL-PROC-2015-010. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4617.
Characterization and Calibration of Large Area Resistive Strip Micromegas Detectors / Losel, Philipp Jonathan (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
Resistive strip Micromegas detectors are discharge tolerant. [...]
ATL-MUON-PROC-2015-003. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4618.
Small-Strip Thin Gap Chambers for the Muon Spectrometer Upgrade of the ATLAS Experiment / Perez Codina, Estel (TRIUMF)
The ATLAS muon system upgrade to be installed during the LHC long shutdown in 2018/19, the so called New Small Wheel (NSW), is designed to cope with the increased instantaneous luminosity in LHC Run 3. [...]
ATL-MUON-PROC-2015-004. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4619.
A Highly Selective First-Level Muon Trigger With MDT Chamber Data for ATLAS at HL-LHC / Nowak, Sebastian (Max-Planck-Institut fuer Physik) ; Kroha, Hubert (Max-Planck-Institut fuer Physik)
Highly selective triggers are essential for the physics programme of the ATLAS experiment at HL-LHC where the instantaneous luminosity will be about an order of magnitude larger than the LHC design luminosity. [...]
ATL-MUON-PROC-2015-005. - 2015. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4620.
The LUCID detector ATLAS luminosity monitor and its electronic system / Lasagni Manghi, Federico (Bologna U. ; INFN, Bologna) ; ATLAS LUCID Collaboration
Starting from 2015 LHC is performing a new run, at higher center of mass energy (13 TeV) and with 25 ns bunch-spacing. [...]
ATL-FWD-PROC-2015-003. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4621.
Calibration Analysis Software for the ATLAS Pixel Detector / Stramaglia, Maria Elena (Bern U., LHEP)
The calibration of the ATLAS Pixel detector at LHC fulfils two main purposes: to tune the front-end configuration parameters for establishing the best operational settings and to measure the tuning performance through a subset of scans. [...]
ATL-INDET-PROC-2015-003. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4622.
STUDY OF HIGGS BOSON PRODUCTION IN BOSONIC DECAY CHANNELS AT THE LHC (INCLUDING OFF-SHELL PRODUCTION) / Oda, Susumu (Kyushu University)
Experimental studies of the Higgs boson production in bosonic decay channels by the ATLAS and CMS experiments at the LHC are described in this paper. [...]
ATL-PHYS-PROC-2015-038. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4623.
Measurement of the dependence of transverse energy production at large pseudorapidity on the hard scattering kinematics of proton--proton collisions at $\sqrt{s} = 2.76$ TeV with ATLAS
The relationship between jet production in the central region and the underlying event activity in a pseudorapidity separated region is studied in $4.0$ pb$^{-1}$ of $\sqrt{s} = 2.76$ TeV $pp$ events recorded with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2015-019. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4624.
DAQ hardware and software development for the ATLAS Pixel Detector / Stramaglia, Maria Elena (Bern U., LHEP)
In 2014, the Pixel Detector of the ATLAS experiment has been extended by about 12 million pixels thanks to the installation of the Insertable B-Layer (IBL). [...]
ATL-INDET-PROC-2015-004. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4625.
Measurement of two-particle pseudorapidity correlations in lead-lead collisions at $\sqrt{s_{NN}}$ = 2.76 TeV with the ATLAS detector
Two-particle pseudorapidity correlations are measured using charged particles from $\sqrt{s_{_{NN}}}=2.76$ TeV Pb+Pb collisions collected in 2010 by the ATLAS experiment at the LHC, corresponding to an integrated luminosity of 7 $\mu$b$^{-1}$. [...]
ATLAS-CONF-2015-020. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4626.
Measurement of correlations between dijet-asymmetry and event-shape variables in Pb+Pb collisions at $\sqrt{s_{\rm NN}}$=2.76 TeV with the ATLAS detector at the LHC
The variation of the dijet asymmetry with the angle between the leading jet and the second order event-plane in Pb+Pb collisions at $\sqrt{s_{\rm NN}}$=2.76 TeV is investigated using the ATLAS detector at the LHC. [...]
ATLAS-CONF-2015-021. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4627.
Jet Fragmentation in p+Pb Collisions
A measurement of jet fragmentation functions into charged particles in $\sqrt{s_{\mathrm{NN}}}$=5.02TeV p+Pb collisions and pp collisions at $\sqrt{s}$=2.76 TeV is presented. [...]
ATLAS-CONF-2015-022. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4628.
Study of $J/\psi$ and $\psi(\mathrm{2S})$ production in $\sqrt{s_{_\text{NN}}} = 5.02\mathrm{~TeV}$ $p+\rm{Pb}$ and $\sqrt{s} = 2.76\mathrm{~TeV}$ $pp$ collisions with the ATLAS detector
Measurements of $J/\psi$ and $\psi({\mathrm{2S}})$ production in proton-lead collisions at proton-nucleon center-of-mass energy of $\sqrt{s_{_\text{NN}}} = 5.02~\mathrm{TeV}$ and in proton-proton collisions at center-of-mass energy of $\sqrt{s} = 2.76~\mathrm{TeV}$ are presented. [...]
ATLAS-CONF-2015-023. - 2015. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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4629.
Ingeniería guiada por Modelado y Simulación de Eventos Discretos: Metodología y Caso de Estudio en la Red de Datos del Experimento ATLAS / Bonaventura, Matias Alejandro (Universidad de Buenos Aires) ; Castro, Rodrigo Daniel (Universidad de Buenos Aires)
En este trabajo presentamos una metodología iterativa e incremental para desarrollo de proyectos de ingeniería guiados por modelado y simulación (M&S) for-mal. [...]
ATL-DAQ-PROC-2015-024. - 2015. - 17 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4630.
Upgrades of the ATLAS Muon Spectrometer with sMDT Chambers / Ferretti, Claudio (University of Michigan, Department of Physics) ; Kroha, Hubert (Max-Planck-Institut fuer Physik)
With half the drift-tube diameter of the Monitored Drift Tube (MDT) chambers of the ATLAS muon spectrometer and otherwise unchanged operating parameters, small-diameter Muon Drift Tube (sMDT) chambers provide an order of magnitude higher rate capability and can be installed in detector regions where MDT chambers do not fit. [...]
ATL-MUON-PROC-2015-006. - 2015. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4631.
Micromegas Detectors for the Muon Spectrometer Upgrade of the ATLAS Experiment / Bianco, Michele (CERN)
Large area Micromegas (MM) detectors will be employed for the Muon Spectrometer upgrade of the ATLAS experiment at the LHC. [...]
ATL-MUON-PROC-2015-007. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4632.
Optical links for the ATLAS Pixel Detector / Stucci, Stefania Antonia (Bern U., LHEP)
With the expected increase in the instantaneous luminosity of the LHC in the next few years, the off-detector optical read-out system of the outer two layers of the Pixel Detector of the ATLAS experiment will reach its bandwidth limits. [...]
ATL-INDET-PROC-2015-005. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4633.
Study of the performance of the Micromegas chambers for the ATLAS Muon Spectrometer upgrade / Vanadia, Marco (INFN, Rome ; Rome U., Tor Vergata)
Micromegas (MICRO MEsh GAseous Structure) chambers are Micro-Pattern Gaseous Detectors designed to provide a high spatial resolution in highly irradiated environments. [...]
ATL-MUON-PROC-2015-008. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4634.
Single top quark production cross-section measurements using the ATLAS and CMS detectors at the LHC / Finelli, Kevin Daniel (School of Physics, University of Sydney)
Measurements of single top quark production in proton--proton collisions at 7 and 8 TeV using the ATLAS and CMS detectors at the LHC are presented. [...]
ATL-PHYS-PROC-2015-039. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4635.
Supersymmetry searches in ATLAS / Meloni, Federico (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics)
This document summarises recent ATLAS results for searches for supersymmetric particles using LHC proton-proton collision data. [...]
ATL-PHYS-PROC-2015-040. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4636.
Measurement of the differential cross-sections of prompt and non-prompt production of $J/\psi$ and $\psi(2{\rm S})$ in $pp$ collisions at $\sqrt{s} = 7$ and $8$~TeV with the ATLAS detector
The production rates of prompt and non-prompt $J/\psi$ and $\psi(2S)$ mesons in their dimuon decay modes are measured using 2.1 fb$^{-1}$ and 11.4 fb$^{-1}$ of data collected with the ATLAS experiment at the Large Hadron Collider, in proton-proton collisions at $\sqrt{s}=7$ and $8$ TeV. [...]
ATLAS-CONF-2015-024. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4637.
Searches for heavy quarks and other signatures with the ATLAS detector at the LHC / Lei, Xiaowen (University of Arizona)
The Standard Model is very successful in describing nature but is thought to be an approximation to a more complete theory. [...]
ATL-PHYS-PROC-2015-041. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4638.
Measurement of jet production properties with the ATLAS detector / Belanger- Champagne, Camille (McGill University, Department of Physics)
Measurements of the production cross sections of inclusive, di- and tri-jet events probe the dynamics of QCD and can constrain the parton proton structure. [...]
ATL-PHYS-PROC-2015-042. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4639.
Measurement of the top quark pair production cross section using the ATLAS detector at the LHC / Protopopescu, Serban (Brookhaven National Laboratory (BNL))
Inclusive and differential cross sections of top quark pair production at $\sqrt{s}=7$ TeV and $\sqrt{s}=8$ TeV measured with the ATLAS detector at the LHC are presented. [...]
ATL-PHYS-PROC-2015-043. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4640.
Radiation damage monitoring of the ATLAS pixel detector / Seidel, Sally (Department of Physics and Astronomy, University of New Mexico)
A measurement has been made of the radiation damage incurred by the ATLAS Pixel Detector barrel silicon modules from the beginning of operations through the end of 2012. [...]
ATL-INDET-PROC-2015-006. - 2015. - 12 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4641.
Beyond-the-Standard Model Higgs Physics using the ATLAS Experiment / Vanadia, Marco (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
The discovery of a Higgs boson with a mass of about 125 GeV/$\rm{c^2}$ has prompted the question of whether or not this particle is part of a larger and more complex Higgs sector than that envisioned in the Standard Model. [...]
ATL-PHYS-PROC-2015-044. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4642.
Measurements of the top quark mass using the ATLAS and CMS detectors at the LHC / Menke, Sven (Max-Planck-Institut fuer Physik)
The latest measurements of the top quark mass obtained by the ATLAS and CMS experiments at the LHC for centre-of-mass energies of $7$ and $8\,$TeV are presented. [...]
ATL-PHYS-PROC-2015-045 ; MPP-2015-153 ; arXiv:1507.02544 ; arXiv:1507.02544. - SISSA, 2015-07-09. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Published version from PoS - Fulltext - Preprint
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4643.
A New ATLAS Muon CSC Readout System with System on Chip Technology on ATCA Platform / Claus, Richard (SLAC)
The ATLAS muon Cathode Strip Chamber (CSC) back-end readout system has been upgraded during the LHC 2013-2015 shutdown to be able to handle the higher Level-1 trigger rate of 100 kHz and the higher occupancy at Run 2 luminosity. [...]
ATL-MUON-PROC-2015-009. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4644.
Measurement of the inclusive photon and photon+jet production cross-sections at $\sqrt{s}$ = 7 TeV with the ATLAS detector and constraints to PDFs / Saimpert, Matthias (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay)
Measurements of the inclusive photon production performed by the ATLAS collaboration using an integrated luminosity of 4.5~fb$^{-1}$ are reported as a function of the photon transverse energy in different fiducial regions covering a wide acceptance. [...]
ATL-PHYS-PROC-2015-046. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4645.
Lesson learned in the IBL project / Miucci, Antonio (Geneva U.)
The ATLAS experiment is ready to face the Run II with improved tracking performance thanks to the installation of a new Pixel layer, also called Insertable B-Layer (IBL). [...]
ATL-INDET-PROC-2015-007. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4646.
PanDA: Exascale Federation of Resources for the ATLAS Experiment at the LHC / Barreiro Megino, Fernando Harald (The University of Texas at Arlington) ; Caballero-Bejar, Jose (Brookhaven National Laboratory (BNL)) ; De, Kaushik (The University of Texas at Arlington) ; Hover, John (Brookhaven National Laboratory (BNL)) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Nilsson, Paul (Brookhaven National Laboratory (BNL)) ; Oleynik, Danila (Joint Institute for Nuclear Research) ; Padolski, Siarhei (Brookhaven National Laboratory (BNL)) ; Panitkin, Sergey (Brookhaven National Laboratory (BNL)) et al.
After a scheduled maintenance and upgrade period, the world’s largest and most powerful machine - the Large Hadron Collider(LHC) - is about to enter its second run at unprecedented energies. [...]
ATL-SOFT-PROC-2015-057. - 2016. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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4647.
Commissioning of the upgraded ATLAS Pixel Detector for Run2 at LHC / Dobos, Daniel (CERN)
The Pixel Detector of the ATLAS experiment has shown excellent performance during the whole Run-1 of LHC. [...]
ATL-INDET-PROC-2015-008. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4648.
Latest Higgs results from ATLAS / Rossi, Elvira (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli)
An overview of the Higgs boson physics program performed in the ATLAS experiment at LHC is presented, using the entire set of Run I data collected in 2011 and 2012. [...]
ATL-PHYS-PROC-2015-047. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4649.
The ATLAS Diamond Beam Monitor : luminosity Detector on the LHC / Schaefer, Douglas (CERN)
After the first three years of the LHC running the ATLAS experiment extracted it's pixel detector system to refurbish and re-position the optical readout drivers and install a new barrel layer of pixels. [...]
ATL-INDET-PROC-2015-009. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4650.
Searches for Dark Matter and Extra Dimensions at the LHC / Genest, Marie-Helene (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC))
Recent results on the search for dark matter and extra dimensions in proton-proton collisions at the Large Hadron Collider (LHC) are presented. [...]
ATL-PHYS-PROC-2015-048. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4651.
Upgrade plans for the Hadronic-Endcap Calorimeter of ATLAS for the high luminosity stage of the LHC / Ahmadov, F (JINR, Dubna, Russia) ; Barillari, T (Max-Planck-Institut für Physik, München, Germany) ; Cheplakov, A (JINR, Dubna, Russia) ; Dominguez, R (University of Arizona, USA) ; Fischer, A (Max-Planck-Institut für Physik, München, Germany) ; Habring, J (Max-Planck-Institut für Physik, München, Germany) ; Hambarzumjan, A (Max-Planck-Institut für Physik, München, Germany) ; Javadov, N (JINR, Dubna, Russia) ; Kiryunin, A (Max-Planck-Institut für Physik, München, Germany) ; Kurchaninov, L (TRIUMF, Canada) et al.
The expected increase of the instantaneous luminosity of a factor seven and of the total integrated luminosity by a factor 3-5 at the second phase of the upgraded high luminosity LHC compared to the design goals for LHC makes it necessary to re-evaluate the radiation hardness of the read-out electronics of the ATLAS Hadronic Endcap Calorimeter. [...]
ATL-LARG-PUB-2015-001. - 2015. - 38 p.
Original Communication (restricted to ATLAS) - Full text
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4652.
ATLAS + CMS top production and properties: Run 1 legacy / Loginov, Andrey (Yale University (US))
The large Run 1 data sample of top-quark events collected at the Large Hadron Collider allows a variety of measurements to analyse the production and properties of the top quark. [...]
ATL-PHYS-PROC-2015-049. - 2015.
Original Communication (restricted to ATLAS) - Full text - Full text
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4653.
A method for the construction of strongly reduced representations of ATLAS experimental uncertainties and the application thereof to the jet energy scale
A method is presented for the reduction of large sets of related uncertainty sources into strongly reduced representations which retain a suitable level of correlation information for use in many cases. [...]
ATL-PHYS-PUB-2015-014. - 2015. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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4654.
Jet Calibration and Systematic Uncertainties for Jets Reconstructed in the ATLAS Detector at $\sqrt{s}=13$ TeV
This document describes the calibration of $R=0.4$ anti-$k_t$ jets reconstructed in the ATLAS detector at a center-of-mass energy of 13 TeV. [...]
ATL-PHYS-PUB-2015-015. - 2015. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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4655.
Measurement of jet charge in dijet events from $\sqrt{s}=8$ TeV $pp$ collisions with the ATLAS detector
The momentum-weighted sum of the charges of tracks associated to a jet is sensitive to the charge of the initiating quark or gluon. [...]
ATLAS-CONF-2015-025. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4656.
A search for $\mathbf{R}$-parity violating scalar top decays in all-hadronic final states with the ATLAS detector in $\mathbf{\sqrt{s}=8}$~TeV $\mathbf{pp}$ collisions
We report on the results of a search for the pair-production of $R$-Parity Violating stop quarks with subsequent decays to two Standard Model quarks. [...]
ATLAS-CONF-2015-026. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4657.
Measurement of two–particle correlations in √s = 13 TeV proton–proton collisions at the LHC with the ATLAS detector
ATLAS measurements of two-particle correlations in √s = 13 TeV pp collisions at the LHC are presented. [...]
ATLAS-CONF-2015-027. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4658.
Study of inclusive isolated-photon production in $pp$ collisions at $\sqrt{s}$) = 13 TeV with the ATLAS detector
Inclusive isolated-photon production in $pp$ collisions at a centre-of-mass energy of 13 TeV has been studied with the ATLAS detector at the LHC using an integrated luminosity of 6.4 pb $^{-1}$. [...]
ATL-PHYS-PUB-2015-016. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4659.
Event Kinematic Distributions in Top-Quark Enriched Samples from $\sqrt{s} = 13$ TeV $pp$ Collisions in the ATLAS Detector.
The ATLAS experiment at the Large Hadron Collider at CERN collected a data set of proton- proton collisions at $\sqrt{s}=13$ TeV with an integrated luminosity of $6~\mbox{pb}^{-1}$ during June 2015. [...]
ATL-PHYS-PUB-2015-017. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4660.
Track Reconstruction Performance of the ATLAS Inner Detector at $\sqrt{s}=13$~TeV
This document summarizes the basic track reconstruction performance of the ATLAS inner detector using the first $\sqrt{s}=$ 13 TeV data from proton-proton collisions collected at the LHC. [...]
ATL-PHYS-PUB-2015-018. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4661.
Leading Track Underlying Event at 13 TeV
A detector level measurement of track distributions sensitive to the properties of the underlying event is presented. [...]
ATL-PHYS-PUB-2015-019. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4662.
Inclusive spectra of isolated di-photon candidates using 6.4 pb$^{−1}$ of $pp$ collisions at $\sqrt{s}$ = 13 TeV
We present the inclusive $m_{\gamma\gamma}$, $p_{{\rm T}, \gamma\gamma}$ and $\Delta\phi_{\gamma\gamma}$ spectra of isolated di-photon pairs passing a tight selection criterion in 6.4 pb$^{-1}$ of $pp$ collision data collected by ATLAS at $\sqrt{s}= 13$ TeV in 2015. [...]
ATL-PHYS-PUB-2015-020. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4663.
Kinematic Distributions of $W$ $\rightarrow$ and $Z$ $\rightarrow$ $ll$ production from $pp$ collisions at $\sqrt{s}$ = 13 TeV in the ATLAS Detector
The ATLAS experiment on the Large Hadron Collider at CERN has collected a dataset of $pp$ collisions at $\sqrt{s}$ = 13 TeV corresponding to an integrated luminosity of 6.4 pb$^{−1}$. [...]
ATL-PHYS-PUB-2015-021. - 2015. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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4664.
Expected performance of the ATLAS $b$-tagging algorithms in Run-2
The expected performance of the ATLAS $b$-tagging algorithms for Run-2 is presented. [...]
ATL-PHYS-PUB-2015-022. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4665.
Expected performance of missing transverse momentum reconstruction for the ATLAS detector at $\sqrt{s}= 13~\text{TeV}$
This document summarises the expected performance of the missing transverse momentum reconstruction for early Run 2 data in the ATLAS detector. [...]
ATL-PHYS-PUB-2015-023. - 2015. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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4666.
Charged-particle distributions in sqrt(s)=13 TeV p p interactions measured with the ATLAS detector at the LHC
Measurements are presented of charged particle distributions in proton–proton collisions at a centre-of-mass energy of 13 TeV, using a data sample of nearly 9 million events recorded by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2015-028. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4667.
Selection of jets produced in 13TeV proton-proton collisions with the ATLAS detector
Quality criteria for the selection of reconstructed anti-$k_t$ jets with $R = 0.4$ in the ATLAS detector are described. [...]
ATLAS-CONF-2015-029. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4668.
Off-shell Higgs boson couplings measurement using $H$ → $ZZ$ → 4$l$ events at High Luminosity LHC
Several studies have shown that the high-mass off-peak regions in the $H$ → $ZZ$ and $H$ → $WW$ channels above the 2$m$$_{V}$ threshold ($V$ = $W$,$Z$) have sensitivity to off-shell Higgs production and interference effects. [...]
ATL-PHYS-PUB-2015-024. - 2015. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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4669.
Commissioning of the reconstruction of hadronic tau lepton decays in ATLAS using $pp$ collisions at $\sqrt{s}=13$ TeV
As part of the commissioning of the reconstruction and identification of hadronic tau lepton decays in ATLAS for Run 2 of the Large Hadron Collider, a set of studies is presented. [...]
ATL-PHYS-PUB-2015-025. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4670.
Vertex Reconstruction Performance of the ATLAS Detector at "\sqrt{s} = 13~\textrm{TeV}"
Early LHC Run-2 performance results of primary vertex reconstruction of the ATLAS experiment in proton-proton collisions at a centre-of-mass energy, "\sqrt{s} = 13~\textrm{TeV}" are presented. [...]
ATL-PHYS-PUB-2015-026. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4671.
Performance of missing transverse momentum reconstruction for the ATLAS detector in the first proton-proton collisions at at $\sqrt s$= 13 TeV
In June 2015 the Large Hadron Collider restarted collisions at a centre-of-mass energy of 13 TeV. [...]
ATL-PHYS-PUB-2015-027. - 2015. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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4672.
First look at $pp$ collisions data at $\sqrt{s}$=13TeV in preparation for a search for squarks and gluinos in final states with jets and missing transverse momentum with the ATLAS detector
In this note a first look on $pp$ collision data collected by the ATLAS experiment at $\sqrt{s}$ = 13 TeV in 2015, corresponding to an integrated luminosity of 78 pb$^{-1}$ is presented. [...]
ATL-PHYS-PUB-2015-028. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4673.
First look at proton--proton collision data at $\sqrt{s}$ = 13 TeV in preparation for a search for squarks and gluinos in events with missing transverse energy, jets, and an isolated electron or muon.
This note presents a distribution of the transverse mass in events with an isolated electron or muon, at least four jets, and significant missing transverse energy. [...]
ATL-PHYS-PUB-2015-029. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4674.
First validation plots in preparation for a search for new phenomena in final states with large jet multiplicities and missing transverse momentum at $\sqrt{s} = 13$ TeV proton-proton collisions using the ATLAS experiment
A first implementation of the data-driven QCD background estimate for the ATLAS SUSY ‘Multijet’ search is performed on the first 72 pb$^{−1}$ of 2015 $\sqrt{s}$ = 13 TeV proton-proton collision data. [...]
ATL-PHYS-PUB-2015-030. - 2015. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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4675.
Measurement of the differential non-prompt J/ψ production fraction in √s = 13 TeV pp collisions at the ATLAS experiment
The non-prompt $J/\psi$ production fraction $\sigma(pp\to b + X\to J/\psi+X^{\prime})/\sigma(pp\to J/\psi+X^{\prime})$ is measured in proton-proton collisions at a centre-of-mass energy of $13\,\mathrm{TeV}$ with a data sample corresponding to an integrated luminosity of $6.4\,\mathrm{pb}^{-1}$ recorded by the ATLAS experiment at the Large Hadron Collider during June 2015. [...]
ATLAS-CONF-2015-030. - 2015. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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4676.
Alignment of the ATLAS Inner Detector with the initial LHC data at $\sqrt{s}$ = 13 TeV
The alignment of the ATLAS Inner Detector tracking system has been performed using first LHC proton-proton collision data at the $\sqrt{s}$ = 13 TeV taken in June 2015. [...]
ATL-PHYS-PUB-2015-031. - 2015. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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4677.
Measurements of four-lepton production in $pp$ collisions at $\sqrt{s}=$ 8 TeV with the ATLAS detector
The four-lepton ($4\ell$, $\ell = e, \mu$) production is measured in a mass range from 80 to 1000 GeV using 20.3 fb$^{-1}$ of data in $pp$ collisions at $\sqrt{s}=8$ TeV at the LHC with the ATLAS detector. [...]
ATLAS-CONF-2015-031. - 2015. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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4678.
Measurement of the $t\bar{t}W$ and $t\bar{t}Z$ production cross sections in $pp$ collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector.
The production cross sections of top-quark pairs in association with massive vector bosons have been measured using $pp$ collision data corresponding to an integrated luminosity of 20.3/fb, collected by the ATLAS detector in 2012 at the LHC. [...]
ATLAS-CONF-2015-032. - 2015. - 38 p.
Original Communication (restricted to ATLAS) - Full text
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4679.
Measurement of the $t\bar{t}$ production cross-section in $pp$ collisions at $\sqrt{s}=13$ TeV using $e\mu$ events with $b$-tagged jets
This note describes a measurement of the inclusive top-pair production cross-section ($\sigma_{t\bar{t}}$) with a data sample of 78 pb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=13$ TeV, collected in 2015 by the ATLAS detector, using $t\bar{t}$ events with an opposite-sign electron-muon pair in the final state. [...]
ATLAS-CONF-2015-033. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4680.
Measurement of the inclusive-jet cross section in proton-proton collisions at 13 TeV centre-of-mass energy with the ATLAS detector
This note presents a preliminary measurement of the inclusive-jet cross section in proton--proton collisions at a centre-of-mass energy of 13 TeV using the ATLAS detector. [...]
ATLAS-CONF-2015-034. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4681.
Inclusive $W$, $Z$ and $W$\slash$Z$+jets production at the LHC / Lammers, Sabine (Indiana University)
A review of recent $W$, $Z$ and $W$\slash$Z$+jets (including heavy flavor) production meausurements at the ATLAS and CMS experiments is given..
ATL-PHYS-PROC-2015-050. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4682.
Prospect for a search for direct pair production of a chargino and a neutralino decaying via a W boson and the lightest Higgs boson in final states with one lepton, two b-jets and missing transverse momentum at the high luminosity LHC with the ATLAS Detector.
The current searches at the LHC have yielded sensitivity to electro-weakinos in the hundreds of GeV mass range: the reach at the high-luminosity phase of the LHC is expected to significantly extend beyond the current limits. [...]
ATL-PHYS-PUB-2015-032. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4683.
A Lossless Switch for Data Acquisition Networks / Jereczek, Grzegorz Edmund (CERN) ; Lehmann Miotto, Giovanna (CERN)
The recent trends in software-defined networking (SDN) and network function virtualization (NFV) are boosting the advance of software-based packet processing and forwarding on commodity servers. [...]
ATL-DAQ-PROC-2015-025. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IEEE Open Access article
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4684.
Modeling a Large Data Acquisition Network in a Simulation Framework / Colombo, Tommaso (Ruprecht-Karls-University Heidelberg) ; Froening, Holger (CERN) ; Garcia, Pedro Javier ; Vandelli, Wainer (CERN)
The ATLAS detector at CERN records particle collision “events” delivered by the Large Hadron Collider. [...]
ATL-DAQ-PROC-2015-026. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4685.
The latest results on top quark pair cross-section measurement at the LHC-ATLAS experiment / Yamauchi, Katsuya (Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University)
The latest results on top quark pair production cross-section measurement in proton-proton collisions at $\sqrt{s}$ = 7\,TeV and $\sqrt{s}$ = 8\,TeV with the ATLAS detector are reported. [...]
ATL-PHYS-PROC-2015-051. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4686.
Status of Higgs Boson Couplings and Searches / Onyisi, Peter (University of Texas at Austin)
The status of Higgs sector studies at the Large Hadron Collider is reviewed. [...]
ATL-PHYS-PROC-2015-052. - 2015. - 17 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4687.
Measurement of the forward-backward asymmetry of electron and muon pair-production in pp collisions at sqrt(s) = 7 TeV with the ATLAS detector / Brandt, Gerhard (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
This talk presents measurements from the ATLAS experiment of the forward-backward asymmetry in the reaction $pp\rightarrow Z/\gamma^{*}\rightarrow l^{+}l^{-}$ (with $l$ being electrons or muons) and the extraction of the effective weak mixing angle. [...]
ATL-PHYS-PROC-2015-053. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4688.
Measurements of Bose-Einstein correlations with the ATLAS detector / Sykora, Ivan (Bratislava University)
The Bose-Einstein correlations provide a unique opportunity for detailed understanding of space-time characteristics of the hadronization region, for determining the size and shape of the source from which particles are emitted and for interpreting quark confinement effects. [...]
ATL-PHYS-PROC-2015-054. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4689.
Identification of boosted, hadronically-decaying $W$ and $Z$ bosons in $\sqrt{s}$ = 13 TeV Monte Carlo Simulations for ATLAS
This document summarises Monte Carlo simulation-based studies of tagging boosted, hadronically-decaying $W$ and $Z$ bosons at a centre-of-mass energy of $\sqrt{s} = 13$ TeV. [...]
ATL-PHYS-PUB-2015-033. - 2015. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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4690.
Performance of jet substructure techniques in early $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
This note provides first studies of large-radius jet properties with the ATLAS detector in $pp$ collisions delivered by the LHC at $\sqrt{s}=13$ TeV. [...]
ATLAS-CONF-2015-035. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4691.
Forward Jet Vertex Tagging: A new technique for the identification and rejection of forward pileup jets
The suppression of pileup forward jets is crucial for a variety of physics analyses at the LHC, ranging from VBF Higgs production to SUSY searches. [...]
ATL-PHYS-PUB-2015-034. - 2015. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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4692.
Expected Performance of Boosted Higgs ($\rightarrow b\bar{b}$) Boson Identification with the ATLAS Detector at $\sqrt{s} = 13$ TeV
This document summarises the pre-recommendations for tagging boosted Higgs ($\rightarrow b\bar{b}$) bosons in the first Run-II data in ATLAS. [...]
ATL-PHYS-PUB-2015-035. - 2015. - 31 p.
Original Communication (restricted to ATLAS) - Full text
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4693.
Identification of high transverse momentum top quarks in $pp$ collisions at $\sqrt{s} = 8 \mathrm{\ Te\kern -0.1em V}$ with the ATLAS detector
This note presents studies of the performance of several jet substructure techniques to identify high transverse momentum top quarks. [...]
ATLAS-CONF-2015-036. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4694.
Properties of Jets and Inputs to Jet Reconstruction and Calibration with the ATLAS Detector Using Proton-Proton Collisions at $\sqrt{s} = 13$ TeV
Preliminary studies of jet reconstruction and calibration in the ATLAS detector using a sample of proton-proton collisions at a center-of-mass energy of $\sqrt{s}=13$ TeV are presented. [...]
ATL-PHYS-PUB-2015-036. - 2015. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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4695.
Monte Carlo Calibration and Combination of In-situ Measurements of Jet Energy Scale, Jet Energy Resolution and Jet Mass in ATLAS
The various stages in the final Run-1 jet energy scale calibration in the ATLAS detector at the Large Hadron Collider are described. [...]
ATLAS-CONF-2015-037. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4696.
Search for new physics at the LHC and prospects for new discoveries / Conti, Geraldine (CERN)
The Large Hadron Collider (LHC) (Evans and Bryant 2008) at CERN has allowed the ATLAS (ATLAS Collaboration 2008) and CMS (CMS Collaboration 2008) experiments to collect a large amount of proton-proton collision data at 7 TeV and 8 TeV centre-of-mass energies. [...]
ATL-PHYS-PROC-2015-055. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4697.
Measurement of the Inelastic Proton-Proton Cross Section at $\sqrt{s} = 13$ TeV with the ATLAS Detector at the LHC
A measurement of the inelastic cross section is performed using the ATLAS detector with 63~$\mu$b$^{-1}$ of proton-proton collisions at $\sqrt{s}=13$~\TeV. [...]
ATLAS-CONF-2015-038. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4698.
Top quark pair production measurements using the ATLAS detector at the LHC / Trincaz-Duvoid, Sophie (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), UPMC, Universite Paris-Diderot, CNRS/IN2P3)
Inclusive and differential cross sections of top quark pair production at have been measured with the ATLAS detector at the LHC at √s = 7 TeV and √s = 8 TeV. [...]
ATL-PHYS-PROC-2015-056. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4699.
Measurement of W and Z Boson Production Cross Sections in pp Collisions at root s = 13 TeV in the ATLAS Detector
Measurements of the $W \to \ell^{\pm} \nu$ and $Z\to\ell^+\ell^-$ production cross sections (where $\ell^{\pm}=e^{\pm},\mu^{\pm}$) in proton-proton collisions at $\sqrt{s}=13$ TeV are presented using data recorded by the ATLAS experiment at the LHC, corresponding to a total integrated luminosity of approximately 85 pb$^{-1}$. [...]
ATLAS-CONF-2015-039. - 2016.
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4700.
Reconstruction of J/$\psi$ mesons in $t{\bar t}$ final states in proton-proton collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
This note presents the reconstruction of $t{\bar t}$ events with final states containing a J/$\psi(\rightarrow\mu^+\mu^-)$ meson using the ATLAS detector. [...]
ATLAS-CONF-2015-040. - 2015. - 26 p.
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4701.
ATLAS strip detector upgrade for the HL-LHC / Liang, Zhijun (Institute for Particle Physics, University of California)
From 2024, the HL-LHC will provide unprecedented pp luminosities to ATLAS, resulting in an additional integrated luminosity of around 2500 fb−1 over ten years. [...]
ATL-INDET-PROC-2015-010. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4702.
Standard Model Measurements with ATLAS (+CMS) Detector(s) / Li, Shu (Duke University, Department of Physics)
Proceeding for the conference plenary talk at HS2015 on the topic of "Standard Model Measurements with ATLAS (+CMS) Detector(s)" (ATL-PHYS-SLIDE-2015-363 https://cds.cern.ch/record/2031445) The talk covers a broad range of SM topics measured in ATLAS Run-I including QCD and Electroweak physics (V+X, multi-boson, photon and jet physics) with the most up-to-date SM measurement results [...]
ATL-PHYS-PROC-2015-057. - 2015. - 12 p.
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4703.
Muon reconstruction performance in early $\sqrt{s}$ = 13 TeV data
This note documents the performance of the ATLAS muon reconstruction in early Run 2. [...]
ATL-PHYS-PUB-2015-037. - 2015. - 16 p.
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4704.
Classification of Events in the Combined ATLAS-LHCf Data Recorded During the $p$+Pb Collisions at $\sqrt{s_\textrm{NN}}=5.02$ TeV
This document reports on the first analysis of a common dataset recorded by the ATLAS and the LHCf detectors during the proton-lead collisions at $\sqrt{s_\textrm{NN}}=5.02$ TeV in 2013. [...]
ATL-PHYS-PUB-2015-038. - 2015. - 11 p.
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4705.
Commissioning of the ATLAS $b$-tagging algorithms using $t\bar{t}$ events in early Run-2 data
The efficient and accurate identification of $b$-jets is a vital element for much of the ATLAS Run-2 physics program. [...]
ATL-PHYS-PUB-2015-039. - 2015. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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4706.
Search for rare top-quark decays at the LHC / Veloso, Filipe (Laboratorio de Instrumenta\c{c}\~ao e F\i sica Experimental de Part\i culas)
Flavour-changing neutral-current (FCNC) top quark decays are suppressed by the GIM mechanism, but are enhanced by BSM models. [...]
ATL-PHYS-PROC-2015-058. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4707.
Measurement of the Production Cross Sections of a $Z$ Boson in Association with Jets in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS Detector
Preliminary measurements of the cross section for the production of a \Zboson boson in association with jets in $pp$ collisions at $\sqrt{s} = 13$~TeV are presented, using data corresponding to an integrated luminosity of $85$~pb$^{-1}$ collected by the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2015-041. - 2015. - 17 p.
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4708.
Search for New Phenomena in Dijet Mass and Angular Distributions with the ATLAS Detector at √s = 13 TeV
This note describes a search for pairs of jets (dijets) produced by phenomena beyond the Standard Model in 80/pb of proton-proton collisions with a centre-of-mass energy of $\sqrt{s}=13$ TeV recorded by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2015-042. - 2015.
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4709.
Search for evidence for strong gravity in jet final states produced in pp collisions at √s = 13 TeV using the ATLAS detector at the LHC
A search is conducted for new physics in multijet final states using data from proton-proton collisions at √s = 13 TeV taken at the CERN LHC with the ATLAS detector. [...]
ATLAS-CONF-2015-043. - 2015.
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4710.
A new tagger for the charge identification of b-jets
A newly developed algorithm called the jet vertex charge tagger, aimed at identifying the sign of the charge of jets containing $b$-hadrons, referred to as $b$-jets, is presented in this note. [...]
ATL-PHYS-PUB-2015-040. - 2015.
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4711.
Electron identification measurements in ATLAS using $\sqrt{s}$ = 13 TeV data with 50 ns bunch spacing
This document gives a brief description of early measurements of identification efficiencies of central electrons using proton-proton collision data at $\sqrt{s} = $13 TeV with 50 ns bunch spacing. [...]
ATL-PHYS-PUB-2015-041. - 2015. - 8 p.
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4712.
Hints from Run 1 and prospects from Run 2 at ATLAS / Bernius, Catrin (Department of Physics, New York University)
The Large Hadron Collider (LHC) at CERN has allowed the ATLAS experiment to collect a large amount of proton-proton collision data at 7 TeV and 8 TeV centre-of-mass energies throughout Run 1. [...]
ATL-PHYS-PROC-2015-059. - 2016. - 6 p.
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4713.
ATLAS Run-2 status and performance / Pastore, Francesca (Department of Physics, Royal Holloway and Bedford New College)
During the 2013/2014 shutdown of the LHC the ATLAS detector has been improved. [...]
ATL-GEN-PROC-2015-001. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4714.
Recent results of soft QCD with the ATLAS experiment / Monzani, Simone (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
We report on recent results of soft QCD with the ATLAS experiment. [...]
ATL-PHYS-PROC-2015-060. - 2016. - 5 p.
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4715.
Summary of SUSY constraints from ATLAS using the phenomenological MSSM / Fawcett, William James (Department of Physics, Oxford University)
A summary of the ATLAS collaboration's sensitivity to $R$-parity conserving supersymmetry is presented. [...]
ATL-PHYS-PROC-2015-061. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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4716.
Status of Electroweak Physics / Sauvan, Emmanuel (LAPP, Universite Savoie Mont Blanc, CNRS/IN2P3, Annecy-le-Vieux)
A summary of experimental tests at high energy colliders of the electroweak sector of the Standard Model is presented. [...]
ATL-PHYS-PROC-2015-062. - 2015. - 7 p.
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4717.
J/Ψ and Ψ(2S) Production in p-Pb Collisions at 5.02 TeV with ATLAS / Brooks, William (Universidad Tecnica Federico Santa Maria)
The production rates of heavy quarkonia in ion-ion collisions provide sensitive probes in the studies of the hot and dense matter formed in these collisions at high energies. [...]
ATL-PHYS-PROC-2015-063. - 2015. - 4 p.
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4718.
Measurement of the charged-hadron spectra and nuclear modification factor in lead-lead collisions with the ATLAS detector / Balek, Petr (Charles U.)
The ATLAS experiment at the Large Hadron Collider (LHC) measures charged hadron spectra obtained in 2010 and 2011 lead-lead LHC data taking periods with total integrated statistics of 0.15nb${}^{-1}$. [...]
arXiv:1802.02022. - 2016-06-08. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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4719.
Latest Higgs Physics Results with the ATLAS detector / Orestano, Domizia (INFN Roma Tre and Universita' Roma Tre, Dipartimento di Fisica)
This report presents the investigations on the recently discovered scalar boson by the ATLAS experiment at the CERN Large Hadron Collider. [...]
ATL-PHYS-PROC-2015-065. - 2015. - 8 p.
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4720.
Jet path length dependence in Pb+Pb Collisions with the ATLAS detector / Santos, Helena (LIP, Lisbon)
The phenomenon of events containing highly asymmetric dijet pairs is one of the most striking results in heavy ion physics. [...]
ATL-PHYS-PROC-2015-066. - 2016. - 4 p.
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4721.
Overview of new results from ATLAS heavy ion physics program / Spousta, Martin (Charles University in Prague, Faculty of Mathematics and Physics)
In this short paper we provide an overview of new results from ATLAS physics program as of spring 2015. [...]
ATL-PHYS-PROC-2015-067. - 2015. - 6 p.
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4722.
Stereo Information in Micromegas Detectors
The New Small Wheel of the ATLAS experiment layout foresees eight micromegas detection layers. [...]
ATL-MUON-PUB-2015-001. - 2015. - 12 p.
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4723.
Measurements of $\alpha_s$ in $pp$ Collisions at the LHC / Warburton, Andreas (McGill University, Department of Physics)
The coupling of the strong force, $\alpha_s$, is deemed to be a fundamental parameter of Nature, and, beyond the quark masses, constitutes the only free parameter in the QCD Lagrangian. [...]
CIPANP2015-WARBURTON ; ATL-PHYS-PROC-2015-068 ; arXiv:1509.04380 ; arXiv:1509.04380. - 2015. - 13 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Preprint
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4724.
The ATLAS Fast Tracker / Volpi, Guido (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
The use of tracking information at the trigger level in the LHC Run II period is crucial for the trigger an data acquisition (TDAQ) system. [...]
ATL-DAQ-PROC-2015-027. - 2015.
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4725.
Searches for Exotic Phenomena with the ATLAS Detector / Czodrowski, Patrick (University of Alberta)
Recent results of searches for exotic phenomena (new phenomena other than Supersymmetry) with the ATLAS experiment at the Large Hadron Collider conducted with proton--proton collision data at $\sqrt{s}=8$ TeV taken 2012 were presented..
ATL-PHYS-PROC-2015-069. - 2015.
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4726.
Charged particle production in Pb-Pb and p-Pb collisions measured by the ATLAS detector / Shulga, Evgeny (National Research Nuclear University MEPhI)
The ATLAS experiment at the Large Hadron Collider measures charged hadron spectra in Pb+Pb and p+Pb collisions. [...]
ATL-PHYS-PROC-2015-070. - 2016. - 4 p.
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4727.
Measurements of the Higgs boson production and decay rates and constraints on its couplings from a combined ATLAS and CMS analysis of the LHC pp collision data at $\sqrt{s}$ = 7 and 8 TeV
Combined ATLAS and CMS measurements of the Higgs boson production and decay rates as well as constraints on its couplings to vector bosons and fermions are presented. [...]
ATLAS-CONF-2015-044. - 2015. - 55 p.
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4728.
Search for $WW$, $WZ$, and $ZZ$ resonances in $pp$ collisions at $\sqrt{s} = 8$ \tev with the ATLAS detector
A search for new heavy bosons decaying to WW, WZ, and ZZ is presented, using a data sample with 20.3 fb−1 of pp collisions collected with the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2015-045. - 2015.
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4729.
Search for TeV-scale gravity signatures in high-mass final states with leptons and jets with the ATLAS detector at sqrt{s}=13 TeV
A search for evidence for physics beyond the Standard Model in the production of final states with at least one high transverse momentum charged lepton, and two additional high transverse momentum leptons or jets, is performed using 80 pb${}^{-1}$ of proton-proton collisions recorded by the ATLAS detector at the Large Hadron Collider in 2015 at $\sqrt s$ = 13 TeV. [...]
ATLAS-CONF-2015-046. - 2015.
Original Communication (restricted to ATLAS) - Full text - Full text
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4730.
Evidence for single top-quark production in the s-channel in proton-proton collisions at $\sqrt{s}=8\,$TeV with the ATLAS detector using the Matrix Element Method
This note presents evidence for single top-quark production in the $s$-channel using proton-proton collisions at a centre-of-mass energy of $8\,$TeV with the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2015-047. - 2015.
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4731.
Measurement of the charge asymmetry in highly boosted top-quark pair production in $\sqrt{s} =$ 8 TeV $pp$ collision data collected by the ATLAS experiment
A measurement of the charge asymmetry reflecting the different rapidity distribution of top and anti-top quarks in the production of high invariant mass top-quark pairs is presented using 20.3 fb$^{-1}$ of $\sqrt{s}$ = 8 TeV proton-proton collisions collected by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2015-048. - 2015. - 22 p.
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4732.
Measurements of the $t\bar{t}$ production cross-section in the dilepton and lepton-plus-jets channels and of the ratio of the $t\bar{t}$ and $Z$ boson cross-sections in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
This note describes measurements of the inclusive top-quark pair production cross-section with a data sample of 85 pb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of 13 TeV, collected in 2015 by the ATLAS detector. [...]
ATLAS-CONF-2015-049. - 2015.
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4733.
Observation and measurements of the production of prompt and non-prompt $J/\psi$ mesons in association with a $Z$ boson in $pp$ collisions at $\sqrt{s}=8\,\mathrm{TeV}$ with the ATLAS detector / Leontsinis, Stefanos (National Technical University of Athens)
The associated production of vector boson with heavy quarkonia is a key observable for understanding the quarkonium production mechanisms. [...]
ATL-PHYS-PROC-2015-071. - 2015. - 6 p.
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4734.
Heavy Flavour Production at ATLAS and CMS / Barton, Adam Edward (Lancaster University, Department of Physics)
Measurements of heavy-flavor properties are an important part of the physics program of the ATLAS and CMS experiments at LHC. [...]
ATL-PHYS-PROC-2015-072. - 2015. - 4 p.
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4735.
ATLAS results on heavy flavour production and its relation to quark matter / Donadelli, Marisilvia (Universidade de Sao Paulo)
We present measurements of $J/\psi$ and $\psi$(2S) production in proton-lead collisions at a centre of mass energy per nucleon-nucleon interaction of 5.02 TeV, and in proton-proton collisions at 2.76 TeV, with integrated luminosities of 28.1~$nb^{-1}$ and 4.0~$pb^{-1}$, respectively . [...]
ATL-PHYS-PROC-2015-073. - 2016. - 8 p.
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4736.
Quarkonium and heavy flavour production measurements at ATLAS / Leontsinis, Stefanos (National Technical University of Athens)
A large number of detailed measurements of various charm states production ($J/\psi, \psi(2S), \chi_c$) at the ATLAS experiment at the LHC at centre-of-mass energies of $2.76\,\mathrm{TeV}, 7\,\mathrm{TeV}, 8\,\mathrm{TeV}$, and $13\,\mathrm{TeV}$ is presented. [...]
ATL-PHYS-PROC-2015-074. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4737.
The ATLAS Transverse Momentum Trigger at the LHC / Mincer, Allen (Department of Physics, New York University) ; Bernlochner, Florian Urs (University of Bonn) ; Struebig, Antonia (Radboud University Nijmegen and NIKHEF) ; Schouwenberg, Jeroen (Radboud University Nijmegen and NIKHEF) ; Beacham, James Baker (Ohio State University)
The transverse momentum triggers of the ATLAS experiment at the CERN Large Hadron Collider (LHC) are designed to select collision events with non-interacting particles passing through the detector. [...]
ATL-DAQ-PROC-2015-028. - 2015. - 6 p.
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4738.
Search for low-scale gravity signatures in multi-jet final states with the ATLAS detector at $\sqrt{s}$ = 8 TeV / Wang, Kuhan (McGill University, Department of Physics) ; Czodrowski, Patrick (University of Alberta)
A search for physics beyond the Standard Model in the multi-jet final state using 20.3 $\textrm{fb}^{-1}$ of \mbox{$\sqrt{s}$ = 8 TeV} pp collision data recorded using the ATLAS detector in 2012 is presented~\cite{low_scale_8tev}. [...]
ATL-PHYS-PROC-2015-075. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4739.
Observation and measurements of the production of prompt and non-prompt $J/\psi$ mesons in association with a $Z$ boson in $pp$ collisions at $\sqrt{s}=8\,\mathrm{TeV}$ with the ATLAS detector / Leontsinis, Stefanos (Natl. Tech. U., Athens)
A key observable for understanding the quarkonium production mechanism is the associated production of a vector boson with heavy quarkonia. [...]
ATL-PHYS-PROC-2015-076. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4740.
Alignment of the ATLAS inner detector for the LHC Run II / Butti, Pierfrancesco (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef)
ATLAS a multipurpose experiment at the LHC proton-proton collider. [...]
ATL-PHYS-PROC-2015-077. - 2015. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4741.
Impact of fragmentation modelling on the top quark mass measurement using the ATLAS detector
The effect of the parton shower and hadronisation modelling on the calibration of jets and the recent precise measurement of the top quark mass with the ATLAS experiment is investigated. [...]
ATL-PHYS-PUB-2015-042. - 2015. - 12 p.
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4742.
Measurement of exclusive $\gamma\gamma \to \ell\ell$ production in proton-proton collisions at $\sqrt{s} = 7$ TeV with the ATLAS detector / Przybycien, Mariusz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Measurement of the exclusive cross section for the process $\gamma\gamma\to \ell^+\ell^-\;\;(\ell = e,\mu)$ in proton-proton collisions at $\sqrt{s} = 7$ TeV with the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2015-078. - 2015. - 6 p.
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4743.
Search for the Standard Model Higgs and Z Boson decays to $J/\psi\,\gamma$: HL-LHC projections
The expected sensitivity for the measurement of Higgs and Z boson decays to $J/\psi\,\gamma$ is estimated for an integrated luminosity up to 3000 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 14 TeV with an upgraded ATLAS detector at the high-luminosity LHC. [...]
ATL-PHYS-PUB-2015-043. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4744.
Measurement of performance of the pixel neural network clustering algorithm of the ATLAS experiment at $\sqrt{s}$ = 13 TeV
The properties of pixel clusters in dense environments are studied with $\sqrt{s}$ = 13 TeV proton-proton collisions from the LHC, recorded by ATLAS from June to July 2015. [...]
ATL-PHYS-PUB-2015-044. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4745.
Texas Instruments TPS7H1101-SP Fast Neutron Irradiation Results
Texas Instruments’s TPS7H1101-SP is an ultra low drop-out voltage regulator that operates under a wide range of input voltages - 1.5 to 7V. [...]
ATL-MUON-PUB-2015-002. - 2015. - 12 p.
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4746.
Dark matter searches at ATLAS / Mehlhase, Sascha (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
The large excess of Dark Matter observed in the Universe and its particle nature is one of the key problems yet to be solved in particle physics. [...]
ATL-PHYS-PROC-2015-079. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4747.
Evolution of the use of relational and NoSQL databases in the ATLAS experiment / Barberis, Dario (Genoa U. ; INFN, Genoa)
The ATLAS experiment used for many years a large database infrastructure based on Oracle to store several different types of non-event data: time-dependent detector configuration and conditions data, calibrations and alignments, configurations of Grid sites, catalogues for data management tools, job records for distributed workload management tools, run and event metadata. [...]
ATL-SOFT-PROC-2015-058. - 2016. - 8 p.
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4748.
Measurement of $\Upsilon(\mathrm{nS})$ production with $p$+Pb collisions at $\sqrt{s_{\rm NN}} = 5.02~\mathrm {TeV}$ and $pp$ collisions at $\sqrt{s} = 2.76~\mathrm {TeV}$
A measurement of $\Upsilon(\mathrm{nS})$ production in proton-lead collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02 \mathrm{~TeV}$ and proton-proton collisions at $\sqrt{s} = 2.76 \mathrm{~TeV}$ is presented. [...]
ATLAS-CONF-2015-050. - 2015.
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4749.
Use of the Hadoop structured storage tools for the ATLAS EventIndex event catalogue / Favareto, Andrea (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Barberis, Dario (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Cardenas Zarate, Simon Ernesto (Universidad Tecnica Federico Santa Maria) ; Cranshaw, Jack (Argonne National Laboratory) ; Fernandez Casani, Alvaro (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Gallas, Elizabeth (Department of Physics, Oxford University) ; Gonzalez de la Hoz, Santiago (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Hrivnac, Julius (Laboratoire de l'Accelerateur Lineaire (FR)) ; Malon, David (Argonne National Laboratory) ; Prokoshin, Fedor (Universidad Tecnica Federico Santa Maria) et al.
The ATLAS experiment collects billions of events per year of data-taking, and processes them to make them available for physics analysis in several different formats. [...]
ATL-SOFT-PROC-2015-059. - 2015. - 7 p.
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4750.
Electroweak bosons in Pb+Pb and $p$+Pb collisions / Balestri, Thomas (SUNY, Stony Brook)
Electroweak boson ( W , Z , γ ) measurements in Pb+Pb collisions at sNN=2.76 TeV and in p +Pb collisions at sNN=5.02 TeV are presented with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2015-080. - 2016.
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4751.
Prospects for Higgs properties measurements at future colliders / De Almeida Dias, Flavia (University of Edinburgh (GB))
The LHC Run-1 was very successful and included the discovery of a new particle with mass of about 125 GeV compatible with the Higgs boson predicted by the Standard Model. [...]
ATL-PHYS-PROC-2015-081. - 2015. - 9 p.
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4752.
Jet fragmentation in p+Pb and Pb+Pb with ATLAS / Rybar, Martin (Illinois U., Urbana (main))
The modification of jets in heavy ion collisions is a central tool to study the properties of QCD matter at high temperature and its interaction with hard probes. [...]
ATL-PHYS-PROC-2015-082. - 2016. - 4 p.
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4753.
The ATLAS Muon Trigger Performance in Run I and Initial Run II Performance / Bielski, Rafal (Manchester U.)
Events with muons in the final state are an important signature for many physics topics at the Large Hadron Collider. [...]
ATL-DAQ-PROC-2015-029. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4754.
Top associated Higgs production in the ttH into multileptons channel with one tau lepton in ATLAS / Seifert, Frank (Czech Technical University in Prague, Inst. of Exp. and Applied Physics, Fac. of Nuclear Sciences and Physical Engineering, Fac. of Mechanical Engineering, Fac. of Transportation Sciences)
The measurement of the Higgs boson and its cross-section in top associated production allows a direct measurement of the top quark Yukawa coupling at tree level. [...]
ATL-PHYS-PROC-2015-083. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4755.
Measurement of forward-backward multiplicity correlations in lead-lead, proton-lead and proton-proton collisions with the ATLAS detector
Two-particle pseudorapidity correlations are measured in $\sqrt{s_{\rm{NN}}}$ = 2.76 TeV Pb+Pb, $\sqrt{s_{\rm{NN}}}$=5.02 TeV $p$+Pb and $\sqrt{s}$ = 13 TeV $pp$ collisions, with total integrated luminosities of approximately 7 $\mu\mathrm{b}^{-1}$, 28 $\mathrm{nb}^{-1}$ and 14 $\mathrm{nb}^{-1}$, respectively [...]
ATLAS-CONF-2015-051. - 2015.
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4756.
Measurement of dijet $p_{\mathrm{T}}$ correlations in Pb+Pb and $pp$ collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV with the ATLAS detector
Measurements of dijets in both Pb+Pb and $pp$ collisions at a nucleon--nucleon centre-of-mass energy of $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV are presented. [...]
ATLAS-CONF-2015-052. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4757.
Measurement of the suppression and elliptic anisotropy of heavy flavor muons in Pb+Pb collisions at $\sqrt{s_{NN}} =2.76$ TeV with the ATLAS detector
ATLAS has measured the production of heavy flavor muons over $|\eta| {<} 1$ in $\sqrt{s_{NN}} = 2.76$ TeV Pb+Pb collisions and $\sqrt{s} = 2.76$ TeV $pp$ collisions at the LHC. [...]
ATLAS-CONF-2015-053. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4758.
Femtoscopy with identified charged pions in proton-lead collisions at √sNN = 5.02 TeV with ATLAS
Bose-Einstein correlations between identified charged pions are measured for $p+\textrm{Pb}$ collisions at $\sqrt{s_{\textrm{NN}}} = 5.02~\textrm{TeV}$ with the ATLAS detector with a total integrated luminosity of $28~\textrm{nb}^{-1}$. [...]
ATLAS-CONF-2015-054. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4759.
Internal structure of jets measured in Pb+Pb and pp collisions with the ATLAS detector at the LHC
The first measurement of the jet fragmentation done by ATLAS revealed a modest but significant modifications of jet fragmenation functions and distributions of charged particle transverse momenta measured with respect to the jet axis. [...]
ATLAS-CONF-2015-055. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4760.
Measurement of $W\rightarrow\mu\nu$ production in $p$+Pb collision at $\sqrt{s_{_\text{NN}}}=5.02$ TeV with ATLAS detector at the LHC
The ATLAS collaboration has measured $W\rightarrow\mu\nu$ production in $p$+Pb collisions at $\sqrt{s_{_\text{NN}}}=5.02$ TeV using 28.1 $\pm$ 0.3 nb$^{-1}$. [...]
ATLAS-CONF-2015-056. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4761.
Searches for highly ionizing particles in ATLAS and CMS / Policicchio, Antonio (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
The latest CMS and ATLAS searches for signatures with anomalous energy loss by ionization and/or small time-of-flight are presented. [...]
ATL-PHYS-PROC-2015-084. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4762.
Real-time flavour tagging selection in ATLAS / Bogavac, Danijela (Institute of Physics, University of Belgrade)
In high-energy physics experiments, online selection is crucial to identify the few interesting collisions from the large data volume processed. [...]
ATL-DAQ-PROC-2015-030. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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4763.
Measurement of the dependence of transverse energy production at large pseudorapidity on the hard scattering kinematics of proton-proton collisions at $\sqrt{s}= 2.76$ TeV with the ATLAS detector / Steinberg, Peter (Brookhaven)
The relationship between jet production in the central region and the underlying event activity in a pseudorapidity separated region is studied in 4.0 pb$^{-1}$ of $\sqrt{s}$ = 2.76 TeV $pp$ events recorded with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2015-085. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4764.
Search for exotic Higgs-boson decays in events with at least one photon, missing transverse momentum, and two forward jets produced in sqrt(s) = 8 TeV pp collisions with the ATLAS detector / Bernius, Catrin (Department of Physics, New York University)
A search is performed for Higgs-boson decays to neutralinos and/or gravitinos in events with at least one photon, missing transverse momentum and two forward jets, a topology where vector boson fusion production is enhanced. [...]
ATL-PHYS-PROC-2015-086. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4765.
Searches for exotic Higgs boson decays with the ATLAS and CMS experiments / Lagouri, Theodota (Yale University)
The observed Higgs boson offers an excellent opportunity to look for new physics at LHC. [...]
ATL-PHYS-PROC-2015-087. - 2015. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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4766.
Measurements of the top quark mass with the ATLAS detector / Brandt, Oleg (Kirchhoff Inst. Phys.)
The top quark mass is one of the fundamental parameters of the Standard Model. [...]
arXiv:1510.00148 ; ATL-PHYS-PROC-2015-088 ; arXiv:1510.00148. - SISSA, 2015-10-01. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Published version from PoS - Preprint - Fulltext - Fulltext
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4767.
Tile Calorimeter Upgrade Program for the Luminosity Increasing at the LHC / Cerqueira, Augusto Santiago (Federal University of Juiz de Fora (UFJF))
The Tile Calorimeter (TileCal) is the central hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider (LHC). [...]
ATL-TILECAL-PROC-2015-011. - 2015. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4768.
A Selection of Three ATLAS B-Physics Results: A Search Beyond the Standard Model, A Precision Measurement, and the Discovery of a New Heavy Meson / Taylor, Aaron (Department of Physics and Astronomy, University of New Mexico)
Three recent results from the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2015-089. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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4769.
The TileCal Energy Reconstruction for LHC Run2 and Future Perspectives / Seixas, Jose (Universidade Federal do Rio De Janeiro, COPPE/EE/IF) ; Sotto-Maior-Peralva, Bernardo (Federal University of Juiz de Fora (UFJF))
The Tile Calorimeter (TileCal) is the main hadronic calorimeter of ATLAS and it covers the central part of the detector (|η|<1.6). [...]
ATL-TILECAL-PROC-2015-012. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4770.
The ATLAS transverse momentum trigger evolution at the LHC towards Run II / Strubig, Antonia (NIKHEF, Amsterdam ; Nijmegen U.)
The missing transverse momentum triggers of the ATLAS experiment at the CERN Large Hadron Collider (LHC) are designed to select collision events with non-interacting particles passing through the detector. [...]
ATL-DAQ-PROC-2015-031. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4771.
Measurements of the elastic, inelastic and total cross sections in pp collisions with ATLAS subdetectors / Grafstrom, Per (Universita e INFN, Bologna (IT))
Results from the ATLAS experiment at LHC on the total cross section (σtot), the inelastic cross section (σinel), and the elastic cross section (σel) at √s=7 TeV are summarized . [...]
ATL-PHYS-PROC-2015-090. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4772.
Searches for leptoquarks and heavy leptons with the ATLAS detector at the LHC / Grancagnolo, Sergio (Institute of Physics, Humboldt University, Berlin)
Searches of vector-like leptons, heavy Majorana neutrinos, and leptoquarks, using the complete $20.3~fb^{-1}$ luminosity sample of $pp$ collisions collected at $8\mathrm{\ Te\kern -0.1em V}$ by the ATLAS detector, are presented in this review. [...]
ATL-PHYS-PROC-2015-091. - 2015.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4773.
Potential for New Phenomena in Dijet Events with the ATLAS Detector at $\sqrt{s}=13$ TeV / Dandoy, Jeffrey Rogers (Chicago U.)
With the start of Run II of the Large Hadron Collider (LHC), pp collisions at the center of mass energy of 13 TeV will open a great potential for observing physics beyond the Standard Model (SM). [...]
ATL-PHYS-PROC-2015-092. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4774.
Search for the Standard Model Higgs boson produced in association with top quarks and decaying into a $b\bar{b}$-pair in pp collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector at the LHC / Serkin, Leonid (INFN Gruppo Collegato di Udine and ICTP, Trieste)
A search for the Standard Model Higgs boson produced in association with a pair of top quarks ($t\bar{t}H$) and decaying into a pair of bottom quarks ($H \to b \bar{b}$) is presented. [...]
ATL-PHYS-PROC-2015-093. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4775.
The ATLAS Trigger System: Ready for Run 2 / Bernlochner, Florian Urs (University of Bonn)
The new features of the ATLAS trigger system are reviewed..
ATL-DAQ-PROC-2015-032. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4776.
Photon and photon+jet production measurements with the ATLAS detector / Bessner, Martin Florian (DESY, Hamburg and Zeuthen) ; ATLAS Collaboration
Isolated prompt photons provide a direct probe of short-distance physics, complementary to that provided by measurements of jets or vector-bosons and are sensitive to the gluon density of the proton. [...]
ATL-PHYS-PROC-2015-094. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4777.
Hardware-based Tracking at Trigger Level for ATLAS: The Fast TracKer (FTK) Project / Gramling, Johanna (Section de Physique, Universite de Geneve) ; ATLAS Collaboration
Physics collisions at 13 TeV are expected at the LHC with an average of 40-50 proton-proton collisions per bunch crossing. [...]
ATL-DAQ-PROC-2015-033. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4778.
Building Blocks of the Universe
This article presents possibilities to impart knowledge of and enthusiasm for particle physics to essentially all non-expert target audiences by the use of LEGO bricks and models of particle physics experiments built from these. [...]
ATL-OREACH-PUB-2015-001. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4779.
The ATLAS Jet Trigger for LHC Run 2 / Anjos, Nuno (Institut de Fisica d'Altes Energies, Universitat Autonoma de Barcelona)
The new centre of mass energy and high luminosity conditions expected for Run 2 at the Large Hadron Collider (LHC) impose more demanding constraints on the ATLAS online trigger than ever before. [...]
ATL-DAQ-PROC-2015-034. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4780.
HIGGS COUPLINGS AT THE LHC / Hong, Tae Min (University of Pittsburgh)
We present a summary of Run-1 results on the Higgs couplings at the LHC from the ATLAS and CMS Experiments. [...]
ATL-PHYS-PROC-2015-095. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4781.
Real-time Flavour Tagging Selection in ATLAS / Hetherly, Jeffrey Wayne (Southern Methodist University, Department of Physics) ; ATLAS Collaboration
Bottom-quark-initiated jet tagging at the trigger level in the ATLAS detector during Run 2 of- fers unique opportunities for improvements in for increasing the rate of acceptance of valuable, heavy-flavor events while suppressing light quark jets. [...]
ATL-DAQ-PROC-2015-035. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4782.
Di-boson production measurements with the ATLAS detector / Chevalier, Laurent (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay)
This talk covers the results of the measurements of diboson production cross sections in proton- proton interactions at 7 TeV in 2011 and at 8 TeV in 2012, performed by the ATLAS experiment. [...]
ATL-PHYS-PROC-2015-096. - 2015. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4783.
Search for Higgs boson like high mass resonances in the bosonic decay channels with ATLAS and CMS / Lo Sterzo, Francesco (Academia Sinica, Taipei)
Searches for an additional heavy Higgs-like boson have been performed by both ATLAS and CMS with data collected in the Run 1 of the LHC. [...]
ATL-PHYS-PROC-2015-097. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4784.
Searches for vector-like quarks with the ATLAS detector at the LHC / Sahinsoy, Merve (Kirchhoff-Institut f\"{u}r Physik)
The naturalness argument for theories beyond the Standard Model supports the presence of fermionic top/bottom quark partners, usually referred to as vector-like quarks. [...]
ATL-PHYS-PROC-2015-098. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4785.
Top production measurements using the ATLAS detector at the LHC / Romano, Marino (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia)
This paper is an overview of recent results on top-quark production measurements obtained by the ATLAS collaboration from the analysis of pp collisions at $\sqrt{s}$ = 7 and 8 TeV at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2015-099. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4786.
Measurements of ttbar+X using the ATLAS detector / Bessidskaia Bylund, Olga (Stockholm University)
The large integrated luminosity provided by the LHC enables the production significant numbers of top quark pairs in association with additional jets or additional gauge bosons. [...]
ATL-PHYS-PROC-2015-100. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4787.
Drell-Yan and vector boson plus jets measurements with the ATLAS detector / Zinser, Markus (Institut fuer Physik, Universitaet Mainz)
The inclusive production of W and Z bosons as well as the off-shell Z/gamma production are standard candles at hadron colliders. [...]
ATL-PHYS-PROC-2015-101. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4788.
Standard Model Higgs boson production in the decay mode H->bb in association with a W or Z boson for High Luminosity LHC Running / Dias, Flavia (Edinburgh U.)
A key outstanding observation is the decay of the Higgs boson to b-quarks, motivating a study into the prospects of this channel in future LHC runs. [...]
ATL-PHYS-PROC-2015-102. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4789.
New results on two-particle correlations in proton-proton collisions at 13 TeV from ATLAS at the LHC / Arratia, Miguel (Cavendish Laboratory, University of Cambridge)
ATLAS measurements of two-particle correlations in $\sqrt{s}$= 13 TeV $pp$ collisions at the LHC are summarized. [...]
ATL-PHYS-PROC-2015-103. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4790.
Dedicated Trigger for Highly Ionising Particles at ATLAS / Katre, Akshay (Section de Physique, Universite de Geneve)
In 2012, a novel strategy was designed to detect signatures of Highly Ionising Particles (HIPs) such as magnetic monopoles, dyons or Q-balls with ATLAS. [...]
ATL-DAQ-PROC-2015-036. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4791.
The Upgrade and Performance of the ATLAS Electron and Photon Triggers Towards Run 2 / Reichert, Joseph (Department of Physics and Astronomy, University of Pennsylvania)
Electron and photon triggers are essential for signal selection in a wide variety of ATLAS physics analyses to study Standard Model processes and to search for new phenomena. [...]
ATL-DAQ-PROC-2015-037. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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4792.
Expected b-tagging performance for ATLAS in LHC Run 2 / Calvet, Thomas Philippe (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS)
The insertion of the IBL (Insertable B-Layer) allows the ATLAS Experiment to significantly improve the b-tagging performance during the LHC Run-II. [...]
ATL-PHYS-PROC-2015-104. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4793.
Searches for invisible Higgs boson decays with ATLAS and CMS / Calfayan, Philippe (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
The ATLAS and CMS experiments carried out searches for invisible decays of the Higgs boson. [...]
ATL-PHYS-PROC-2015-105. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4794.
Searches for heavy long-lived charged particles with the ATLAS detector in p-p collisions at sqrt(s) = 8 TeV / Kopeliansky, Revital (Indiana University)
Searches for heavy long-lived charged particles (LLP) were performed on a 19.1 fb^(-1) data sample from p-p collisions at sqrt(s) = 8TeV collected by the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2015-106. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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4795.
Upgrade of the ATLAS Muon Barrel Trigger for HL-LHC. / Biondi, Silvia (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia)
The present ATLAS muon trigger in the barrel region (|η | < 1.05) is based on three layers of RPC chambers. [...]
ATL-UPGRADE-PROC-2015-003. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4796.
Search for squarks and gluinos in final state with jets and missing transverse momentum with the ATLAS detector at the LHC / Ronzani, Manfredi (Albert-Ludwigs-Universitaet Freiburg, Fakultaet fuer Mathematik und Physik)
This proceeding summarises results on inclusive searches for squarks and gluinos in final state containing jets, missing transverse momentum and no leptons (0L). [...]
ATL-PHYS-PROC-2015-107. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4797.
The ATLAS Trigger System: Ready for Run 2 / Czodrowski, Patrick (University of Alberta)
The ATLAS trigger system has been used successfully for data collection in the 2009-2013 Run 1 operation cycle of the CERN Large Hadron Collider (LHC) at center-of-mass energies of up to 8 TeV. [...]
ATL-DAQ-PROC-2015-038. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4798.
Studies of jet production properties and the strong coupling constant with the ATLAS detector / Starovoitov, Pavel (Kirchhoff-Institut f\"{u}r Physik)
Several aspects of jet production in proton-proton collisions have been measured by the ATLAS Collaboration. [...]
ATL-PHYS-PROC-2015-108. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4799.
Precision measurements of Standard Model parameters with the ATLAS detector / Dimitrievska, Aleksandra (University of Belgrade (RS))
The ATLAS Collaboration is engaged in precision measurement of fundamental Standard Model parameters, e.g. [...]
ATL-PHYS-PROC-2015-109. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4800.
Search for diboson resonances with jets in 20.3 fb$^{-1}$ pp collisions at $\sqrt{s} =$ 8 TeV with the ATLAS detector / Picazio, Attilio (University of Massachusetts, Amherst)
A search for narrow diboson high mass resonances in a dijet final state is performed in 20.3 fb$^{-1}$ of proton-proton collisions at a center-of-mass energy of $\sqrt{s} =$ 8 TeV, collected in 2012 by the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2015-110. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4801.
The ATLAS Jet Trigger at 13 TeV / Grossi, Giulio Cornelio (Louisiana Tech University)
he new Large Hadron Collider (LHC) center of mass energy and expected high luminosity conditions impose more demanding constraints on the ATLAS online trigger than ever before. [...]
ATL-DAQ-PROC-2015-039. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4802.
The Upgrade and Performance of the ATLAS Tau Trigger towards Run 2 / Karamaoun, Andrew (University of Alberta)
Tau triggers are used in a variety of highly anticipated ATLAS physics analyses, including the measurement of the Higgs boson coupling to fermions and searches for Higgs boson partners or heavy resonances decaying into pairs of tau leptons. [...]
ATL-DAQ-PROC-2015-040. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4803.
The ATLAS Trigger System : Ready for Run-2 / Backes, Moritz (CERN)
The ATLAS trigger has been successfully collecting collision data during the first run of the LHC between 2009-2013 at a centre-of-mass energy between 900 GeV and 8 TeV. [...]
ATL-DAQ-PROC-2015-041. - 2016.
Original Communication (restricted to ATLAS) - Full text
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4804.
The reconstruction of jets, missing ET and boosted heavy particles with ATLAS in Run 2 / Santoni, Claudio (Laboratoire de Physique Corpusculaire (LPC), Clermont Universite, Universite Blaise Pascal, CNRS/IN2P3, Clermont-Ferrand, France)
The reconstruction of jets, missing ET and boosted heavy particles decaying hadronically has proved to be of extreme importance in Run 1 of the LHC, and has great potential to uncover new physics with Run 2 data. [...]
ATL-PHYS-PROC-2015-111. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4805.
Top properties measurements with the ATLAS detector / Neep, Thomas James (School of Physics and Astronomy, University of Manchester)
The top quark is unique among the known quarks in that it decays before it has an opportunity to form hadronic bound states. [...]
ATL-PHYS-PROC-2015-112. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4806.
The ATLAS Hadronic Tau Trigger: Initial Run-2 Strategy and Performance / Pickering, Mark Andrew (Department of Physics, Oxford University)
As proton-proton collisions at the LHC reach instantaneous luminosities of over 10 34cm-2s-1, and a centre-of-mass energy of 13 TeV, the strategies for triggering have become more important than ever for physics analyses. [...]
ATL-DAQ-PROC-2015-042. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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4807.
What we have learned about the Higgs boson from the bosonic decay channels and more inclusive combinations of data / Yuan, Li (Kobe University (JP))
A review on the property measurements of the Higgs boson is presented in this report, especially on the measurements using bosonic decay channels from both ATLAS and CMS experiments at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2015-113. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4808.
Higgs boson production at the LHC / Peters, Krisztian (CERN)
After the discovery at the LHC, the main goal of the Higgs boson measurements at ATLAS and CMS is to fully elucidate the nature of this new particle. [...]
ATL-PHYS-PROC-2015-114. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4809.
Latest results on anomalous gauge boson couplings with the ATLAS experiment / Schnoor, Ulrike (Albert-Ludwigs-Universitaet Freiburg, Fakultaet fuer Mathematik und Physik)
Contributions from new physics in the electroweak sector can be described in a model-independent way by anomalous gauge boson couplings in the framework of an effective field theory. [...]
ATL-PHYS-PROC-2015-115. - 2015. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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4810.
ATLAS Higgs Physics Prospects at the High Luminosity LHC / Glaysher, Paul (University of Edinburgh)
A highly successful LHC Run 1 for ATLAS Higgs physics brought not only the discovery of a new particle but also provided initial measurements of its properties. [...]
ATL-PHYS-PROC-2015-116. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4811.
Searches for long-lived particle decays in ATLAS / Salvatore, Daniela (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
Searches for the decay of neutral, weakly interacting, long-lived particles (LLPs) using 20.3~$fb^{-1}$ of 2012 data collected at 8 TeV by the ATLAS detector at the LHC are presented. [...]
ATL-PHYS-PROC-2015-117. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4812.
New physics searches with heavy flavour observables at ATLAS / Alpigiani, Cristiano (Department of Physics, University of Washington, Seattle)
Weak decays that are naturally suppressed in the Standard Model (SM), such as processes with flavour-changing neutral-currents, are perfect for indirect searches of new physics. [...]
ATL-PHYS-PROC-2015-118. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4813.
Upgrade of the ATLAS Tile Calorimeter for the High luminosity LHC / Dandoy, Jeffrey Rogers (Chicago U.)
The Tile Calorimeter is undergoing preparations for the high luminosity program of the LHC beginning in 2026, requiring a major replacement of on- and off-detector electronics. [...]
ATL-TILECAL-PROC-2015-013. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4814.
The Upgrade of the ATLAS Electron and Photon Triggers towards LHC Run 2 and their Performance / Kahn, Sebastien Jonathan (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS)
Electron and photon triggers are essential for a wide variety of ATLAS physics analyses. [...]
ATL-DAQ-PROC-2015-043. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4815.
Searches for 3rd generation partners at the LHC / Tripiana, Martin (Institut de Fisica d'Altes Energies, Universitat Autonoma de Barcelona)
The search for direct production of third generation squarks is a main part of the new physics programme of the LHC experiments. [...]
ATL-PHYS-PROC-2015-119. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4816.
The ATLAS Muon Trigger Performance : Run 1 and initial Run 2. / Kasahara, Kota (Faculty of Pure and Applied Sciences, and Center for Integrated Research in Fundamental Science and Engineering, University of Tsukuba)
Events with muons in the final state are an important signature for many physics topics at the Large Hadron Collider (LHC). [...]
ATL-DAQ-PROC-2015-044. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4817.
Search for FCNC single top-quark production at 8 TeV with the ATLAS detector / Arslan, Ozan (University of Bonn)
A search for single top-quark production via flavour changing neutral current processes from gluon plus up or charm quark initial states in proton--proton collisions at the LHC is presented. [...]
ATL-PHYS-PROC-2015-120. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4818.
Determination of the jet energy scale and resolution at ATLAS using ${Z/\gamma}$--jet events in data at $\sqrt{s}=8$ TeV
The jet-energy scale and its systematic uncertainty are determined for jets measured with the ATLAS detector using proton-proton collision data at $\sqrt{s}=8$ TeV corresponding to an integrated luminosity of $20.3~{\rm fb}^{-1}$. [...]
ATLAS-CONF-2015-057. - 2015. - 50 p.
Original Communication (restricted to ATLAS) - Full text
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4819.
Muon reconstruction performance in ATLAS at Run-II / Herde, Hannah (Brandeis University, Department of Physics)
The ATLAS muon reconstruction has been improved for the Run-II of the LHC. [...]
ATL-PHYS-PROC-2015-121. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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4820.
The ATLAS Distributed Computing project for LHC Run-2 and beyond. / Di Girolamo, Alessandro (CERN)
The ATLAS Distributed Computing infrastructure has evolved after the first period of LHC data taking in order to cope with the challenges of the upcoming LHC Run2. [...]
ATL-SOFT-PROC-2015-060. - 2015.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4821.
Study of ATLAS TRT performance with GRID and supercomputers. / Krasnopevtsev, Dimitriy (National Research Nuclear University MEPhI) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Mashinistov, Ruslan (P.N. Lebedev Physical Institute) ; Belyaev, Nikita (National Research Nuclear University MEPhI) ; Ryabinkin, Evgeny (NRC Kurchatov Institute Tier site)
After the early success in discovering a new particle consistent with the long awaited Higgs boson, Large Hadron Collider experiments are ready for the precision measurements and further discoveries that will be made possible by much higher LHC collision rates from spring 2015. [...]
ATL-SOFT-PROC-2015-061. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4822.
W/Z measurements at LHC / Staroba, Pavel (Academy of Sciences of the Czech Republic, Institute of Physics and Institute for Computer Science)
Production of W and Z bosons in proton - proton collisions at Large Hadron Collider has been extensively studied by ATLAS and CMS Collaborations during the Run 1 period. [...]
ATL-PHYS-PROC-2015-122. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4823.
Top quark studies with the ATLAS detector / Capua, Marcella (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
The latest top quark studies in proton-proton collisions at a centre-of-mass energy of 7 and 8 TeV with the ATLAS detector are reported. [...]
ATL-PHYS-PROC-2015-123. - 2015. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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4824.
Measurement of the jet production properties at the LHC 2 with the ATLAS Detector / Tokar, Stanislav (Comenius U.)
Different features of the jet production in pp collisions at \sqrt{s} = 7 TeV have been measured by the ATLAS experiment. [...]
ATL-PHYS-PROC-2015-124. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4825.
A Hardware Fast Tracker for the ATLAS trigger / Asbah, Nedaa (DESY, Hamburg and Zeuthen) ; ATLAS Collaboration
The trigger system of the ATLAS experiment is designed to reduce the event rate from the LHC nominal bunch crossing at 40 MHz to about 1 kHz, at the design luminosity of 10^{34} cm^{-2}s^{-1}. [...]
ATL-DAQ-PROC-2015-045. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4826.
The design and performance of the ATLAS Inner Detector trigger for Run 2 / Qin, Yang (School of Physics and Astronomy, University of Manchester)
The design and performance of the ATLAS Inner Detector (ID) trigger algorithms running online on the High Level Trigger (HLT) processor farm with the early LHC Run 2 data are discussed. [...]
ATL-DAQ-PROC-2015-046. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4827.
The Phase-1 Upgrade of the ATLAS First Level Calorimeter Trigger / Schwienhorst, Reinhard (Michigan State U. ; CERN)
The ATLAS level-1 calorimeter trigger pursues a series of upgrades in order to face the challenges posed by the upcoming increase of the LHC luminosity. [...]
ATL-DAQ-PROC-2015-047. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4828.
ATLAS LUCID detector upgrade for LHC Run 2 / Viazlo, Oleksandr (Lunds universitet, Fysiska institutionen) ; ATLAS LUCID Collaboration
During the 2009-2013 data taking period (Run I) LUCID was successfully providing information about the luminosity delivered to ATLAS by the LHC. [...]
ATL-FWD-PROC-2015-004. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4829.
Real-time flavour tagging selection in ATLAS / \v{Z}ivkovi{c}, Lidija (Institute of Physics, University of Belgrade) ; ATLAS Collaboration
In high-energy physics experiments, online selection is crucial to select interesting collisions from the large data volume. [...]
ATL-DAQ-PROC-2015-048. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4830.
Measurement of the total cross section in proton proton collisions at $\mathbf{\sqrt{s}=7}$ TeV with the ALFA sub-detector of ATLAS / Adamczyk, Leszek (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Measurement of the total pp cross section at the LHC at $\sqrt{s} = 7$ TeV is presented. [...]
ATL-PHYS-PROC-2015-125. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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4831.
Measurement of two­-particle pseudorapidity correlations in lead–lead collisions at $\sqrt{s_{NN}}$ = 2.76 TeV with the ATLAS detector / Radhakrishnan, Sooraj Krishnan (Stony Brook University)
Two-particle pseudorapidity correlations, measured using charged particles with $p_{\mathrm{T}} >$ 0.5 GeV and $|\eta| <$ 2.4, from $\sqrt{s_{NN}}$ = 2.76 TeV Pb+Pb collisions collected in 2010 by the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2015-126. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4832.
Performance of the ATLAS Tile Calorimeter / Bertoli, Gabriele (Stockholm U.)
The Tile Calorimeter (TileCal) of the ATLAS experiment at the LHC is the central hadronic calorimeter designed for energy reconstruction of hadrons, jets, tau-particles and missing trans- verse energy giving essential contribution to reconstructed objects and physics results. [...]
ATL-TILECAL-PROC-2015-014. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - version
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4833.
Measurements of four-lepton production in $pp$ collisions at $\sqrt s =$ 8 TeV with the ATLAS detector / Orlando, Nicola (Aristotle U., Thessaloniki)
A measurement of four-lepton ($4\ell$) production in proton-proton collisions at 8 TeV with the ATLAS experiment at the Large Hadron Collider (LHC), is presented. [...]
ATL-PHYS-PROC-2015-127. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4834.
Operation of the enhanced ATLAS First Level Calorimeter Trigger at the start of LHC Run-2 / Palka, Marek (Jagiellonian U. ; CERN)
In 2015 the LHC is already operating with a higher center-of-mass energy and proton beams luminosity. [...]
ATL-DAQ-PROC-2015-049. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4835.
A 12bits 40MSPS SAR ADC with a redundancy algorithm and digital calibration for the ATLAS LAr calorimeter readout / Zeloufi, Mohamed (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Dzahini, Daniel (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Rarbi, Fatah-ellah (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC))
We present a SAR ADC with a generalized redundant search algorithm offering the flexibility to relax the requirements on the DAC settling time. [...]
ATL-LARG-PROC-2015-005. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4836.
Operation of the upgraded ATLAS Central Trigger Processor during the LHC Run 2 / for the ATLAS collaboration
The ATLAS Central Trigger Processor (CTP) is responsible for forming the Level-1 trigger decision based on the information from the calorimeter and muon trigger processors. [...]
ATL-DAQ-PROC-2015-050. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4837.
Design of a Hardware Track Finder (Fast Tracker) for the ATLAS Trigger / for the ATLAS collaboration
The use of tracking information at the trigger level in the LHC Run II period is crucial for the trigger an data acquisition (TDAQ) system and will be even more so as contemporary collisions that occur at every bunch crossing will increase in Run III. [...]
ATL-DAQ-PROC-2015-051. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4838.
The Evolution of the Region of Interest Builder for the ATLAS Experiment at CERN / Abbott, Brad (Oklahoma U.) ; Blair, Robert (Argonne, HEP) ; Crone, Gordon Jeremy (University Coll. London) ; Green, Barry (Royal Holloway, U. of London) ; Love, Jeremy (Argonne, HEP) ; Proudfoot, James (Argonne, HEP) ; Rifki, Othmane (Oklahoma U.) ; Panduro Vazquez, William (Royal Holloway, U. of London) ; Vandelli, Wainer (CERN) ; Zhang, Jinlong (Argonne, HEP)
ATLAS is a general purpose particle detector, at the Large Hadron Collider (LHC) at CERN, designed to measure the products of proton collisions. [...]
ATL-DAQ-PROC-2015-052. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4839.
Phase-I Trigger Readout Electronics Upgrade of the ATLAS Liquid-Argon Calorimeters / Mori, Tatsuya (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
This document for NEC’2015 proceedings gives an overview of the Phase-I Upgrade on the ATLAS LAr Calorimeter Trigger Readout. [...]
ATL-LARG-PROC-2015-006. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4840.
pMSSM combination of SUSY searches at the LHC / Cervelli, Alberto (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics)
The results of supersymmetric searches at the LHC are usually presented in the context of simplified models, with a single specific production channel and decay mode for the supersymmetric particles. [...]
ATL-PHYS-PROC-2015-128. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4841.
Performance of a Remote High Voltage Power Supply for the Phase II Upgrade of the ATLAS Tile Calorimeter / Vazeille, Francois (Laboratoire de Physique Corpusculaire (LPC), Clermont Universite, Universite Blaise Pascal, CNRS/IN2P3, Clermont-Ferrand, France)
The experience gained in the working of the present High Voltage system of the Tile calorimeter of the ATLAS detector and the new HL-LHC constraints, in particular the increase of the radiation, lead to the proposal of moving the embedded regulation system to be a remote system in the counting room, by adding easily new functionalities. [...]
ATL-TILECAL-PROC-2015-015. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4842.
Performance of the Demonstrator System for the Phase-I Upgrade of the Trigger Readout Electronics of the ATLAS Liquid Argon Calorimeters / Dumont Dayot, Nicolas (Annecy, LAPP)
For the Phase-I luminosity upgrade of the LHC a higher granularity trigger readout of the ATLAS LAr Calorimeters is foreseen in order to enhance the trigger feature extraction and background rejection. [...]
ATL-LARG-PROC-2015-007. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4843.
A radiation tolerant Data link board for the ATLAS Tile Cal upgrade / Akerstedt, Henrik (Stockholm University) ; Bohm, Christian (Stockholm University) ; Muschter, Steffen Lothar (Stockholm University) ; Silverstein, Samuel (Stockholm University) ; Valdes Santurio, Eduardo (Stockholm University)
This paper describes the latest, full-functionality revision of the high-speed data link board developed for the Phase-2 upgrade of ATLAS hadronic Tile Calorimeter. [...]
ATL-TILECAL-PROC-2015-016. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4844.
The Upgrade of the ATLAS Electron and Photon Triggers towards LHC Run 2 and their Performance / Pásztor, Gabriella (Carleton U.)
Electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential for signal selection in a wide variety of ATLAS physics analyses to study Standard Model processes and to search for new phenomena. [...]
arXiv:1511.00334 ; ATL-DAQ-PROC-2015-053 ; arXiv:1511.00334. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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4845.
Improvements to ATLAS track reconstruction for Run-2 / Oide, Hideyuki (CERN)
Run-2 of the LHC will provide new challenges to track and vertex reconstruction with higher energies, denser jets and higher rates. [...]
ATL-PHYS-PROC-2015-129. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4846.
Power Distribution for the ATLAS LAr Trigger Digitizer Board / Lazzaroni, Massimo (INFN Milano and Universita' di Milano, Dipartimento di Fisica) ; Citterio, Mauro (INFN Milano and Universita' di Milano, Dipartimento di Fisica) ; Latorre, Stefano (INFN Milano and Universita' di Milano, Dipartimento di Fisica) - Author Author
The R&D activity for the design of the power distribution section of the ATLAS Liquid Argon (LAr) Calorimeter Trigger Digitizer Board board (LTDB) is presented. [...]
ATL-LARG-PROC-2015-008. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4847.
Reconstruction, Energy Calibration, and Identification of Hadronically Decaying Tau Leptons in the ATLAS Experiment for Run-2 of the LHC
The reconstruction algorithm, energy calibration, and identification methods for hadronically decaying tau leptons in ATLAS used at the start of Run-2 of the Large Hadron Collider are described in this note. [...]
ATL-PHYS-PUB-2015-045. - 2015. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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4848.
The updated ATLAS Jet Trigger for the LHC Run II / Prince, Sebastien (McGill University, Department of Physics)
After the current shutdown, the LHC is about to resume operation for a new data-taking period, when it will operate with increased luminosity, event rate and center of mass energy. [...]
ATL-DAQ-PROC-2015-054. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4849.
The Performance and Development of the Inner Detector Trigger Algorithms at ATLAS for LHC Run 2 / Sowden, Benjamin (Royal Holloway, U. of London) ; ATLAS Collaboration
The upgrade to the ATLAS trigger for LHC Run 2 is presented including a description of the design and performance of the newly reimplemented tracking algorithms. [...]
arXiv:1511.01136 ; ATL-DAQ-PROC-2015-055 ; arXiv:1511.01136. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - Fulltext
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4850.
Performance of silicon pixel detectors at small track incidence angles for the ATLAS Inner Tracker Upgrade / Viel, Simon (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Banerjee, Swagato (University of Louisville) ; Brandt, Gerhard (Georg-August-Universitat Goettingen, II. Physikalisches Institut) ; Carney, Rebecca (Stockholm University) ; Garcia-Sciveres, Maurice (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Hard, Andrew (Department of Physics, University of Wisconsin) ; Kaplan, Laser Seymour (Department of Physics, University of Wisconsin) ; Kashif, Lashkar (Department of Physics, University of Wisconsin) ; Pranko, Aliaksandr (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Rieger, Julia (Georg-August-Universitat Goettingen, II. Physikalisches Institut) et al.
In order to enable the ATLAS experiment to successfully track charged particles produced in high-energy collisions at the High-Luminosity Large Hadron Collider, the current ATLAS Inner Detector will be replaced by the Inner Tracker (ITk), entirely composed of silicon pixel and strip detectors. [...]
ATL-INDET-PROC-2015-011. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4851.
A new approach to front-end electronics interfacing in the ATLAS experiment / for the ATLAS collaboration
For new detector and trigger systems to be installed in the ATLAS experiment after LHC Run 2, a new approach will be followed for Front-End electronics interfacing. [...]
ATL-DAQ-PROC-2015-056. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Fulltext - IOP Open Access article
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4852.
Top physics results with ATLAS / Massa, Lorenzo (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia)
This paper contains some of the most recent results on top-quark physics obtained by the ATLAS collaboration from the analysis of $pp$ collisions at $\sqrt{s}=7$ TeV and 8 TeV at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2015-130. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4853.
Top quark pair properties using the ATLAS detector at the LHC / Barone, Gaetano (Brandeis University, Department of Physics)
hese proceeding review the most recent results on the top quark measurements performed by the ATLAS detector, based upon datasets of $4.59$ fb$^{-1}$ and of $20.8$ fb$^{-1}$ of proton--proton collisions delivered by the Large Hadron Collider at the centres-of-mass energy of \mbox{$\sqrt{s}=7 \ \rm TeV$} and of \mbox{$\sqrt{s}=8\ \rm TeV$}, respectively. [...]
ATL-PHYS-PROC-2015-131. - 2016.
Original Communication (restricted to ATLAS) - Full text
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4854.
Searches for resonant and non-resonant new phenomena in ATLAS / Fedorko, Wojciech (Department of Physics, University of British Columbia)
Many new physics scenarios beyond the Standard Model predict the presence of narrow or broad resonances decaying to a pair of quarks/gluons, charged/neutral leptons, photons and their combinations, or a multi-jet final state. [...]
ATL-PHYS-PROC-2015-132. - 2015. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4855.
A morphing technique for signal modelling in a multidimensional space of coupling parameters
This note describes a morphing method that produces signal models for fits to data in which both the affected event yields and kinematic distributions are simultaneously taken into account. [...]
ATL-PHYS-PUB-2015-046. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4856.
The Read Out Controller for the ATLAS New Small Wheel / Coliban, Radu Mihai (Transilvania University of Brasov) ; Popa, Stefan (Transilvania University of Brasov) ; Tulbure, Traian Tiberiu (Transilvania University of Brasov) ; Ivanovici, Mihail (Transilvania University of Brasov) ; Martoiu, Victor Sorin (National Institute of Physics and Nuclear Engineering (IFIN-HH)) ; Levinson, Lorne (Department of Particle Physics, The Weizmann Institute of Science) ; Vermeulen, Jos (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef)
In the upgrade process of the ATLAS detector, the innermost stations of the endcaps (Small Wheels, SW) will be replaced. [...]
ATL-MUON-PROC-2015-011. - 2016. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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4857.
Searches for direct pair production of third generation squarks using the ATLAS detector / Anders, John Kenneth (University of Liverpool)
Third generation squarks are expected to have masses of < 1 TeV due to naturalness arguments. [...]
ATL-PHYS-PROC-2015-146. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4858.
Beyond-the-Standard Model Higgs Physics using the ATLAS Experiment / Truong, Loan (INFN Gruppo Collegato di Udine and ICTP, Trieste)
Some recent searches for the Higgs boson in the context of beyond the Standard Model, performed by the ATLAS experiment are presented: high mass Higgs boson searches, lepton flavour violating Higgs decay, NMSSM, con- straint from the search for three photons. [...]
ATL-PHYS-PROC-2015-145. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4859.
Top-quark production measurements / Cristinziani, Markus (University of Bonn)
Recent measurements of top-quark production at hadron colliders are reviewed. [...]
ATL-PHYS-PROC-2015-144 ; arXiv:1511.04200. - 2016. - 17 p.
Original Communication (restricted to ATLAS) - Full text - Full text - PoS server
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4860.
Performance of the Tile PreProcessor Demonstrator for the ATLAS Tile Calorimeter Phase II Upgrade / Carrio Argos, Fernando (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Valero, Alberto (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The Tile Calorimeter PreProcessor (TilePPr) demonstrator is a high performance double AMC board based on FPGA resources and QSFP modules. [...]
ATL-TILECAL-PROC-2015-018. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4861.
Measurements of the Coupling Properties of the Standard Model Higgs Boson / Ruthmann, Nils (CERN)
Overview over the status of SM Higgs Boson couplings after LHC Run 1. [...]
ATL-PHYS-PROC-2015-143. - 2015.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4862.
A morphing technique for signal modelling in a multidimensional space of coupling parameters
This note describes a morphing method that produces signal models for fits to data in which both the affected event yields and kinematic distributions are simultaneously taken into account. [...]
ATL-PHYS-PUB-2015-047. - 2015.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4863.
Trigger Algorithms and Electronics for the ATLAS Muon New Small Wheel Upgrade / Guan, Liang (University of Michigan, Department of Physics)
The New Small Wheel Upgrade for the ATLAS experiment will replace the innermost station of the Muon Spectrometer in the forward region in order to maintain its current performance during high luminosity data-taking after the LHC Phase-I upgrade. [...]
ATL-MUON-PROC-2015-010. - 2016. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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4864.
Searches for new physics with lepton flavours and multi-lepton final states in ATLAS / Madar, Romain (Laboratoire de Physique Corpusculaire (LPC), Clermont Universite, Universite Blaise Pascal, CNRS/IN2P3, Clermont-Ferrand, France)
Lepton flavours and multi-lepton signatures are powerful probes to search for new physics. [...]
ATL-PHYS-PROC-2015-142. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4865.
Search for "Electroweakinos" with the ATLAS Detector at the LHC / Mann, Alexander (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
Supersymmetry is one of the most popular extensions of the Standard Model of particle physics, as it offers solutions to several shortcomings of the Standard Model. [...]
arXiv:1807.07352 ; ATL-PHYS-PROC-2015-141. - 2016. - 6 p.
Full text - Full text - Fulltext - Full text
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4866.
The ATLAS Public Web Pages: Online Management of HEP External Communication Content / Goldfarb, Steven (University of Michigan, Department of Physics) ; Marcelloni De Oliveira, Claudia (University of Birmingham) ; Phoboo, Abha Eli (School of Physics and Astronomy, University of Manchester) ; Shaw, Kate (INFN Gruppo Collegato di Udine and ICTP, Trieste) - Author Author Author
The ATLAS Education and Outreach Group is in the process of migrating its public online content to a professionally designed set of web pages built on the Drupal content management system. [...]
ATL-OREACH-PROC-2015-005. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text - IOP Open Access article
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4867.
The new Front End Electronics for the ATLAS Tile Calorimeter Phase 2 Upgrade / Gomes, Agostinho (Laboratorio de Instrumenta\c{c}\~ao e F\i sica Experimental de Part\i culas)
We present the plans, design, and performance results to date for the new front end electronics being developed for the Phase 2 Upgrade of the ATLAS Tile Calorimeter. [...]
ATL-TILECAL-PROC-2015-017. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4868.
Higgs Pair Production in the $H(\rightarrow \tau\tau)H(\rightarrow b\bar{b})$ channel at the High-Luminosity LHC
Prospects studies are presented for the observation of double Higgs production in the channel $H(\rightarrow b \overline{b})H(\rightarrow \tau \tau)$ for a total integrated luminosity of 3000~fb$ ^{-1}$ of $\sqrt{s}=$14~TeV proton-proton collisions at the HL-LHC. [...]
ATL-PHYS-PUB-2015-046. - 2015. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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4869.
Searches for Dark Matter in ATLAS and CMS / Zerwas, Dirk (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay)
CMS and ATLAS search for the presence of dark matter particles in missing transverse momentum + X final states, where X signals the production in association with jets, photons and gauge bosons. [...]
ATL-PHYS-PROC-2015-140. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4870.
Search for the Standard Model Higgs boson produced in association with top quarks with the ATLAS detector / Qin, Yang (School of Physics and Astronomy, University of Manchester)
After the discovery of the new particle consistent with the Higgs boson in 2012, the direct observation and measurement of the coupling of this particle to top quarks has become increasingly important. [...]
ATL-PHYS-PROC-2015-139. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4871.
Exotic Searches with ATLAS / Falla, Rebecca Jane (Department of Physics and Astronomy, University College London)
A summary was given of recent exotic searches with the ATLAS experiment using proton-proton collision data at \sqrt{s} = 8 TeV recorded in 2012 at the Large Hadron Collider..
ATL-PHYS-PROC-2015-138. - 2015. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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4872.
Tales of the young top quark - Selected recent results from the LHC and Tevatron / Lister, Alison (Department of Physics, University of British Columbia)
After a short historical introduction of the discovery of the top quark 20 years ago, a brief motivation was given for continuing to study the heaviest known fundamental particle. [...]
ATL-PHYS-PROC-2015-137. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4873.
Higgs results from ATLAS / Chen, Xin (Tsinghua University)
The updated Higgs measurements in various search channels with ATLAS Run 1 data are reviewed. [...]
ATL-PHYS-PROC-2015-136. - 2016. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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4874.
Single top quark production cross-section and properties using the ATLAS detector at the LHC / Chegwidden, Andrew (Michigan State University, Department of Physics and Astronomy)
ATLAS measurements of single top-quark processes are summarized. [...]
ATL-PHYS-PROC-2015-135. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4875.
Inclusive searches for squarks and gluinos with the ATLAS detector / Deigaard, Ingrid (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2015-134. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4876.
Measurements of Multi-boson production, Trilinear and Quartic Gauge Couplings with the ATLAS detector / Becker, Maurice (Institut fuer Physik, Universitaet Mainz)
The ATLAS collaboration has carried a set of measurements that provide stringent tests of the electroweak sector of Standard Model, specifically on di- and multi-boson production cross sections and on triple and quartic gauge-boson couplings. [...]
ATL-PHYS-PROC-2015-133. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4877.
The FTK to Level-2 Interface Card (FLIC) / Wang, R. (Argonne, HEP) ; Auerbach, Benjamin (Argonne National Laboratory) ; Blair, Robert (Argonne National Laboratory) ; Drake, Gary (Argonne National Laboratory) ; Love, Jeremy (Argonne National Laboratory) ; Proudfoot, James (Argonne National Laboratory) ; Anderson, J. (Argonne National Laboratory) ; Zhang, Jinlong (Argonne National Laboratory)
The FTK to Level-2 Interface Card (FLIC) of the ATLAS Fast TracKer (FTK) trigger upgrade is the final component in the FTK chain of custom electronics. [...]
ATL-DAQ-PROC-2015-062. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4878.
Development of the Trigger Readout System for the Phase-I Upgrade of the ATLAS Liquid Argon Calorimeters / Xu, Hao (Brookhaven National Laboratory (BNL)) ; ATLAS LAr Collaboration
The ATLAS Liquid Argon (LAr) Calorimeters were designed and built to measure electromagnetic and hadronic energy in proton-proton collisions produced at the LHC at centre-of-mass energies up to 14 TeV and at instantaneous luminosities up to 1034cm-2s-1. [...]
ATL-LARG-PROC-2015-009. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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4879.
Performance studies of resistive Micromegas chambers for the upgrade of the ATLAS Muon Spectrometer / Ntekas, Konstantinos (Natl. Tech. U., Athens ; Brookhaven Natl. Lab.)
The ATLAS collaboration at LHC has endorsed the resistive Micromegas technology (MM), along with the small-strip Thin Gap Chambers (sTGC), for the high luminosity upgrade of the first muon station in the high-rapidity region, the so called New Small Wheel (NSW) project. [...]
ATL-MUON-PROC-2015-016. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text - EDP Sciences Server
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4880.
An evaluation of GPUs for use in an upgraded ATLAS High Level Trigger / Tavares Delgado, Ademar (Laboratorio de Instrumenta\c{c}\~ao e F\i sica Experimental de Part\i culas) ; Conde Mui\~no, Patricia (Laboratorio de Instrumenta\c{c}\~ao e F\i sica Experimental de Part\i culas) ; Bold, Tomasz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow) ; Augusto, Jose (Faculdade de Ci\^{e}ncias, Universidade de Lisboa) ; Kama, Sami (Southern Methodist University, Department of Physics) ; Negrini, Matteo (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia) ; Sidoti, Antonio (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia) ; Rinaldi, Lorenzo (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia) ; Tupputi, Salvatore (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia) ; Baines, John (Rutherford Appleton Laboratory) et al.
ATLAS is a general purpose particle physics experiment located on the LHC collider at CERN. [...]
ATL-DAQ-PROC-2015-061. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4881.
VMM - An ASIC for micropattern detectors / Iakovidis, Georgios (Brookhaven Natl. Lab.) ; Polychronakos, Venetios (Brookhaven National Laboratory (BNL)) ; De Geronimo, Gianluigi (Brookhaven National Laboratory (BNL))
The VMM is a custom Application Specific Integrated Circuit (ASIC) that can be used in a variety of charge interpolating tracking detectors. [...]
ATL-MUON-PROC-2015-015. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - EDP Sciences server - Full text
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4882.
The Future Evolution of the Fast TracKer Processing Unit / Gentsos, Christos (Aristotle University of Thessaloniki) ; Crescioli, Francesco (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), UPMC, Universite Paris-Diderot, CNRS/IN2P3) ; Magalotti, Daniel (INFN Laboratori Nazionali di Frascati) ; Bertolucci, Federico (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Citraro, Saverio (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Kordas, Kostantinos (Aristotle University of Thessaloniki) ; Nikolaidis, Spyridon (Aristotle University of Thessaloniki)
Real time tracking is a key ingredient for online event selection at hadron colliders. [...]
ATL-DAQ-PROC-2015-060. - 2015. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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4883.
Design and Construction of Precision Tooling for the Construction of Resistive Strip Micromegas Detectors for the ATLAS Small Wheel Upgrade Project / Mueller, Ralph Soeren Peter (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
Mechanical precision is a key-aspect of the $2~m^2$ high-rate capable Micromegas detectors for the upgrade of the Small Wheels of the ATLAS muon spectrometer. [...]
ATL-MUON-PROC-2015-014. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4884.
gFEX, the ATLAS Calorimeter Level-1 Real Time Processor / Tang, Shaochun (Brookhaven National Laboratory (BNL)) ; Begel, Michael (Brookhaven National Laboratory (BNL)) ; Chen, Hucheng (Brookhaven National Laboratory (BNL)) ; Lanni, Francesco (Brookhaven National Laboratory (BNL)) ; Takai, Helio (Brookhaven National Laboratory (BNL)) ; Wu, Weihao (Brookhaven National Laboratory (BNL))
The global feature extractor (gFEX) is a component of the Level-1 Calorimeter trigger Phase-I upgrade for the ATLAS experiment. [...]
ATL-DAQ-PROC-2015-059. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4885.
The design and performance of the ATLAS Inner Detector trigger for Run 2 / Penc, Ondrej (Academy of Sciences of the Czech Republic, Institute of Physics and Institute for Computer Science) ; ATLAS Collaboration
The design and performance of the ATLAS Inner Detector (ID) trigger algorithms running online on the high level trigger (HLT) processor farm with the early LHC Run 2 data are discussed. [...]
ATL-DAQ-PROC-2015-058. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4886.
Dark matter searches with the ATLAS detector / Wu, Mengqing (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC))
An overview of the dark matter searches in ATLAS, based on the presence of a high-pT object accompanied by large missing transverse momentum, is given. [...]
ATL-PHYS-PROC-2015-153. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4887.
Performance of the ATLAS Tile LaserII Calibration System / Scuri, Fabrizio (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
The new laser calibration system of the ATLAS Tile hadron calorimeter is presented. [...]
ATL-TILECAL-PROC-2015-020. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4888.
Standard Model measurements with ATLAS / Dyndal, Mateusz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
A broad range of Standard Model measurements performed in proton-proton collisions with the ATLAS detector at the LHC is reviewed. [...]
ATL-PHYS-PROC-2015-152. - 2015. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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4889.
Novel Methods and Expected Run 2 Performance for ATLAS Track Reconstruction in Dense Environments / Facini, Gabriel (University of Chicago, Enrico Fermi Institute)
Novel algorithmic developments to the ATLAS track reconstruction software targeting the core of high pT objects is discussed explaining improvements made for Run 2 resulting in: 5%increaseofefficiencytoreconstructallthreechargeddaughtersofahadronicllydecay- ing τ with pT above 600 GeV 10% more pixel clusters found on tracks in the jet core, 17% efficiency gain is seen for charged particles created at a radius of 30 mm, 10% (14%) efficiency improvement in the core of high pT light (b) jets, 7-13% increase in b-tagging efficiency for a given light-jet rejection..
ATL-INDET-PROC-2015-012. - 2015. - 18 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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4890.
Performance Studies of Micromegas Chambers for the New Small Wheel Upgrade Project / Ntekas, Konstantinos (National Technical University of Athens) ; Leontsinis, Stefanos (National Technical University of Athens) - author
Micromegas, an abbreviation for Micro MEsh Gaseous Structure (MM), is a robust detector with excellent spatial resolution and high rate capability. [...]
ATL-MUON-PROC-2015-013. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
4891.
Selected Topics from single top Wt and s-channel production / Schwienhorst, Reinhard (Michigan State University, Department of Physics and Astronomy)
Measurements of the single top-quark production cross-sections in two production modes by the ATLAS and CMS collaborations at the LHC proton-proton collider at a center-of-mass energy of $\sqrt{s}=8$ TeV are presented. [...]
ATL-PHYS-PROC-2015-151. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4892.
Supersymmetry Searches with ATLAS / Hill, Ewan (University of Victoria)
Supersymmetry is one of the best motivated and studied theories of physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2015-150. - 2015. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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4893.
Jet energy scale uncertainty correlations between ATLAS and CMS at $\sqrt{s}=8$ TeV
An evaluation of the correlations between ATLAS and CMS jet energy scale uncertainties is presented for $\sqrt{s}=8\,\mathrm{TeV}$ $pp$ collisions recorded in 2012. [...]
ATL-PHYS-PUB-2015-049. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4894.
Highly Parallelized Pattern Matching Execution for the ATLAS Experiment / Citraro, Saverio (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
Abstract– The Associative Memory (AM) system of the Fast Tracker (FTK) processor has been designed to perform pattern matching using as input the data from the silicon tracker in the ATLAS experiment. [...]
ATL-DAQ-PROC-2015-057. - 2015. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4895.
Electroweak measurements with the ATLAS detector. / Krasnopevtsev, Dimitriy (National Research Nuclear University MEPhI)
ATLAS measurements of multi-boson production processes involving combinations of W, Z and isolated photons at 8 TeV are summarized. [...]
ATL-PHYS-PROC-2015-149. - 2017. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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4896.
Search for Exotic Physics Beyond the Standard Model with the ATLAS Detector / Smirnov, Yury (National Research Nuclear University MEPhI)
A summary is given of non-SUSY searches for New Physics with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2015-148. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4897.
Results and Perspectives in Forward Physics with ATLAS / Giacobbe, Benedetto (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia)
A review of the ATLAS forward physics results is given with particular emphasis on the aspects of relevance for the cosmic rays community. [...]
ATL-PHYS-PROC-2015-147. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4898.
A study of optimal parameter setting for MADGRAPH5_AMC@NLO + PYTHIA 8 matched setup
This note presents a study to arrive at the optimum tune of PYTHIA 8 generator's parton shower and multiple parton interaction parameters for MADGRAPH5_AMC@NLO + PYTHIA 8 matched setup. [...]
ATL-PHYS-PUB-2015-048. - 2015. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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4899.
Upgrade of the Laser Calibration System of the Atlas Hadron Calorimeter / Gris, Philippe Luc Yves (Laboratoire de Physique Corpusculaire (LPC), Clermont Universite, Universite Blaise Pascal, CNRS/IN2P3, Clermont-Ferrand, France)
The new laser calibration scheme of the ATLAS Tile calorimeter is presented with a focus on improvements of three critical aspects (optics, calibration, electronics). [...]
ATL-TILECAL-PROC-2015-019. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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4900.
A New ATLAS Muon CSC Readout System with System on Chip Technology on ATCA Platform / ATLAS CSC Collaboration
The ATLAS muon Cathode Strip Chamber (CSC) backend readout system has been upgraded during the LHC 2013-2015 shutdown to be able to handle the higher Level-1 trigger rate of 100 kHz and the higher occupancy at Run 2 luminosity. [...]
ATL-MUON-PROC-2015-012. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text - IOP Open Access article
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4901.
Studies of the ATLAS Inner Detector material using $\sqrt{s}=$13 TeV $pp$ collision data
The ATLAS Inner Detector comprises three different technologies: the Pixel detector (Pixel), the silicon strip tracker (SCT), and the transition radiation drift tube tracker (TRT). [...]
ATL-PHYS-PUB-2015-050. - 2015. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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4902.
The ATLAS hadronic calorimeter at the LHC and the phase II upgrade program / Plazak, Lukas (Bratislava University)
The Tile Calorimeter (TileCal) of the ATLAS experiment at the Large Hadron Collider (LHC) is the central hadronic calorimeter designed for energy reconstruction of hadrons, jets, tau-particles and missing transverse momentum. [...]
ATL-TILECAL-PROC-2015-022. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4903.
$\alpha_{s}$ determinations from ATLAS (status and plans) / Malaescu, Bogdan (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), UPMC, Universite Paris-Diderot, CNRS/IN2P3) /on behalf of the ATLAS Collaboration
The determinations of the strong coupling constant using ATLAS data at $\sqrt{s}$ = 7 TeV, from the inclusive jet cross section, multi-jet cross section ratios and transverse energy-energy correlations in multi-jet events are presented..
ATL-PHYS-PROC-2015-158.- Geneva : CERN, 2015 Fulltext: PDF; Published version: PDF; External link: Original Communication (restricted to ATLAS)
In : Proceedings, High-Precision $\alpha_s$ Measurements from LHC to FCC-ee, pp.120-124
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4904.
Level-1 Data Driver Card of the ATLAS New Small Wheel upgrade / Gkountoumis, Panagiotis (National Technical University of Athens)
The Level-1 Data Driver Card (L1DDC) will be fabricated for the needs of the future upgrades of the ATLAS experiment at CERN. [...]
ATL-MUON-PROC-2015-019. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4905.
Muon reconstruction performance in ATLAS at Run 2 / Lesage, Arthur (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay)
The ATLAS muon reconstruction performance in early 2015 data at $\sqrt{s} = 13 \mbox{ TeV}$ is presented. [...]
ATL-PHYS-PROC-2015-157. - 2015. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4906.
$ttW$ and $ttZ$ production cross section in leptonic final states at 8 TeV with ATLAS / Suster, Carl Joseph Edmund (University of Sydney (AU))
A measurement of the production cross section of a pair of top quarks in association with a $W$ or $Z$ boson is presented, using $20.3 \,\mathrm{fb}^{-1}$ of $pp$ collision data collected by the ATLAS detector at $\sqrt{s} = 8 \,\mathrm{TeV}$. [...]
ATL-PHYS-PROC-2015-156. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4907.
Study of hard double parton scattering in four-jet events in $pp$ collisions at $\sqrt{s} = 7~\mathrm{TeV}$ with the ATLAS experiment at the LHC
Inclusive four-jet events produced in proton--proton collisions at a centre-of-mass energy of $\sqrt{s}\,=\,7~\mathrm{TeV}$ have been analysed for the presence of hard double-parton scattering using data corresponding to an integrated luminosity of $(37.3\pm1.3)~\mathrm{pb}^{-1}$, collected with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2015-058. - 2015. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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4908.
The upgraded Pixel Detector of the ATLAS Experiment for Run-II at the Large Hadron Collider / Mullier, Geoffrey (Bern U., LHEP)
The Pixel Detector of the ATLAS experiment has shown excellent performance during the whole Run-1 of the LHC. [...]
ATL-INDET-PROC-2015-013. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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4909.
Performance of Large Area Micromegas Detectors for the ATLAS Muon Spectrometer Upgrade Project / Losel, Philipp Jonathan (Ludwig-Maximilians-Univ. Muenchen (DE))
Four German institutes are building 32 high-rate capable SM2 Micromegas quadruplets, for the upgrade of the Small Wheels of the ATLAS muon spectrometer. [...]
ATL-MUON-PROC-2015-018. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4910.
Search for New Physics in Dijet Resonant Signatures and Recent Results from Run 2 with the ATLAS Experiment / Gingrich, Douglas (University of Alberta)
A search is conducted for resonant signatures in the dijet mass spectrum using data from proton--proton collisions at $\sqrt{s} = 8$ TeV taken at the Large Hadron Collider with the ATLAS detector. [...]
ATL-PHYS-PROC-2015-155. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4911.
Bose-Einstein correlations and results on minimum bias interactions, underlying event and particle production from ATLAS / Kulchitsky, Yuri (Institute of Physics, National Academy of Sciences)
The report on recent results of soft-QCD with the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2015-154. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4912.
Drift of IBL LV current and its consequence in IBL distortion
The low voltage (LV) current of the IBL modules had been stable since the beginning of the Run2 until the middle of September 2015, but it has been unstable since then (Figure 1). [...]
ATL-INDET-PUB-2015-002. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4913.
Construction and test of full-size Micromegas modules for the ATLAS New Small Wheel Upgrade / Bortfeldt, Jonathan (LMU Munich (main))
In 2015 the first full size resistive-strip Micromegas modules for the ATLAS New Small Wheel upgrade will be realized. [...]
ATL-MUON-PROC-2015-017. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text - EDP Sciences Server
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4914.
The PreProcessors for the ATLAS Tile Calorimeter Phase II Upgrade / Carrio Argos, Fernando (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Alvarez, D. (Valencia U., IFIC) ; Castillo, V. (Valencia U., IFIC) ; Cerda, L. (Valencia U., IFIC) ; Ferrer, A. (Valencia U., IFIC) ; Fiorini, L. (Valencia U., IFIC) ; Hernandez, Y. (Valencia U., IFIC) ; Higon, E. (Valencia U., IFIC) ; Moreno, P. (Witwatersrand U.) ; Solans, C. (CERN) et al.
The Large Hadron Collider (LHC) has envisaged a series of upgrades towards a High Luminosity LHC (HL-LHC) delivering five times the LHC nominal instantaneous luminosity. [...]
ATL-TILECAL-PROC-2015-021. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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4915.
Study of $B_c^+ \to J/\psi D_s^+$ and $B_c^+ \to J/\psi D_s^{*+}$ decays with the ATLAS detector / Turchikhin, Semen (M.V. Lomonosov Moscow State University (RU))
The results of the measurement of the $B_c^+ \to J/\psi D_s^+$ and $B_c^+ \to J/\psi D_s^{*+}$ decay properties with the ATLAS experiment are presented. [...]
ATL-PHYS-PROC-2015-170. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4916.
ATLAS Heavy-Flavour Spectroscopy and Exotic States / Turchikhin, Semen (M.V.Lomonosov Moscow State University)
The paper presents a review of recent heavy-flavour spectroscopy studies performed with the ATLAS experiment using the data collected during the LHC Run 1. [...]
ATL-PHYS-PROC-2015-169. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4917.
Statistical and systematic treatment issues in top quark mass combinations / Maier, Andreas Alexander (Max-Planck-Institut fuer Physik)
The past years have seen tremendous improvements in the precision of top quark mass measurements at hadron colliders. [...]
ATL-PHYS-PROC-2015-168. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4918.
ATLAS Heavy Flavor productions and decay properties / Smirnova, Lidia (M.V.Lomonosov Moscow State University)
First measurements of non-prompt J/psi fraction in pp collisions at √s = 13 TeV and new results from RUN 1 data analysis are presented for heavy flavor production and decays. [...]
ATL-PHYS-PROC-2015-167. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4919.
Photons in ATLAS from Run1 to Run2 / Levchenko, Mikhail (Petersburg Nuclear Physics Institute)
The performance of the reconstruction and identification of photons with the ATLAS detector at the LHC is a key component to realize the ATLAS full physics potential, both in the searches for new physics and in precision measurements. [...]
ATL-PHYS-PROC-2015-166. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4920.
Flavour Tagged Time Dependent Angular Analysis of the $B^0_s\rightarrow J/\psi\phi$ Decay on Run 1 Data in ATLAS / Maevskiy, Artem (M.V.Lomonosov Moscow State University)
The paper presents the measurement of the $B^0_s$ decay $CP$-violation parameters in the $B^0_s\rightarrow J/\psi\phi$ channel using 14.3 fb$^{-1}$ integrated luminosity collected by the ATLAS detector in $pp$ collisions at $\sqrt{s}=8$ TeV at the LHC. [...]
ATL-PHYS-PROC-2015-165. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4921.
IBL Module Loading onto Stave and Quality Check
During the long shutdown between Run 1 and Run 2 of the LHC, a fourth, innermost, Pixel Detector layer has been installed in the ATLAS experiment: the Insertable B-Layer, IBL. [...]
ATL-INDET-PUB-2015-003. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4922.
Searches for Charged Lepton Flavor Violation with the ATLAS Detector at the LHC / Blocker, Craig (Brandeis University, Department of Physics)
ATLAS has searched for charged lepton flavor violation in several processes, including decays of Standard Model particles ($H\to\mu\tau$ and $Z\to e\mu$) and beyond the Standard Model physics ($Z^{\prime}$ or $\tilde{\nu}$ decay, $\tilde{t} \to \ell b$, neutralino decay in R-parity-violating supersymmetry theories, decays of Quantum Black Holes, and decays of heavy Majorana neutrinos). [...]
ATL-PHYS-PROC-2015-164. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4923.
The upgraded Pixel Detector of the ATLAS Experiment for Run2 at the Large Hadron Collider / Backhaus, Malte (CERN)
During Run-1 of the Large Hadron Collider (LHC), the ATLAS Pixel Detector has shown excellent performance. [...]
ATL-INDET-PROC-2015-015. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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4924.
Top tagging at ATLAS / Caudron, Julien (Institut fuer Physik, Universitaet Mainz)
Studies of the top physics boosted sector have known a fast-growing development with the arrival of high-energy data at LHC [...]
ATL-PHYS-PROC-2015-163. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4925.
Opto-Box / Bertsche, David (Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma)
The opto-box is a custom mini-crate for housing optical modules, which process and transfer optoelectronic data. [...]
ATL-INDET-PROC-2015-014. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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4926.
Early Inner Detector Tracking Performance in the 2015 data at $\sqrt s$ = 13 TeV
This note summarises the studies undertaken to recommend benchmark values and systematic uncertainties for various aspects of the ATLAS Inner Detector tracking based on $\sqrt{s}= 13$ TeV proton-proton collisions from the Large Hadron Collider Run 2 data. [...]
ATL-PHYS-PUB-2015-051. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4927.
Measurement of diffractive and exclusive processes with the ATLAS detector / Gach, Grzegorz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
The ATLAS collaboration has carried out a study diffractive dijet production at 7 TeV pp collisions at the LHC, i.e. [...]
ATL-PHYS-PROC-2015-162. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4928.
Search for Heavy Charged Vector Bosons Decaying to a Charged Lepton and a Neutrino with the ATLAS Experiment / Solovyev, Victor (Petersburg Nuclear Physics Institute)
These proceedings present a search for high-mass states, such as heavy charged vector bosons (W' and W*), decaying to a charged lepton (electron or muon) and a neutrino. [...]
ATL-PHYS-PROC-2015-161. - 2016. - 5 p..
Original Communication (restricted to ATLAS) - Full text
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4929.
Aging Studies on the First Resistive-Micromegas Quadruplet at GIF++ / Alvarez Gonzalez, Barbara (CERN) ; Iengo, Paolo (CERN) ; Bianco, Michele (CERN) ; Farina, Edoardo Maria (INFN Pavia and Universita' di Pavia, Dipartimento di Fisica) ; Sidiropoulou, Ourania (Julius-Maximilians-University of W\"urzburg) ; Kuger, Fabian (Julius-Maximilians-University of W\"urzburg) ; Longo, Luigi (INFN Lecce and Universit¿¿ del Salento, Dipartimento di Matematica e Fisica) ; Sekhniaidze, Givi (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli) ; Lin, Tai-Hua (Institut fuer Physik, Universitaet Mainz) ; Schott, Matthias (Institut fuer Physik, Universitaet Mainz) et al.
A resistive-micromegas quadruplet built at CERN has been installed at the new CERN Gamma Irradiation Facility (GIF++) with the aim of carrying out a long-term aging study. [...]
ATL-MUON-PROC-2015-021. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4930.
Construction and performance studies of large resistive Micromegas quadruplets / on behalf of the ATLAS Muon Collaboration
In view of the use of Micromegas detectors for the upgrade of the ATLAS muon system, two detector quadruplets with an area of 0.3 m$^2$ per plane serving as prototypes for future ATLAS chambers have been constructed. [...]
ATL-MUON-PROC-2015-020. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text - EDP Sciences server
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4931.
Search for the Higgs boson decaying to b quark pairs in the W/Z associated production channels with ATLAS / Pedro, Rute (Laboratorio de Instrumenta\c{c}\~ao e F\i sica Experimental de Part\i culas)
In 2012, the ATLAS and CMS experiments at CERN discovered the Higgs boson with an approximate mass of 125~GeV in LHC pp collisions at $\sqrt{s} =$ 7 and 8~TeV center of mass energy. [...]
ATL-PHYS-PROC-2015-160. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4932.
ATLAS and CMS Higgs Mass and Spin/CP Measurement / Ilic, Nikolina (Stanford University)
These proceedings summarize the ATLAS and CMS collaboration measurement of Higgs prop- erties. [...]
ATL-PHYS-PROC-2015-159. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4933.
Measurement of the differential cross section of highly boosted top quarks as a function of their transverse momentum in $\sqrt{s} = 8$ TeV proton-proton collisions using the ATLAS detector / Fabbri, Federica (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia)
The measurement of the $t\bar{t}$ differential cross section for high $p_T$ top quarks as a function of their transverse momentum using a sample of 20.3 $fb^{-1}$, collected in pp collisions from the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2015-185. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4934.
Early Run 2 Hard QCD Results from the ATLAS Collaboration / Orlando, Nicola (The University of Hong Kong)
We provide an overview of hard QCD results based on data collected with the ATLAS detector in proton-proton collision at $\sqrt{s}=13$~TeV at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2015-184. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4935.
Study of Event Topology for a new Fast Primary Vertex Finder for the ATLAS Trigger / Langenberg, Robert Johannes (Innsbruck U.)
This document presents a transform-based approach to primary vertex finding and a feasibility analysis. [...]
ATL-SOFT-PROC-2015-062. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4936.
The ATLAS Data Flow System for LHC Run II / Kazarov, Andrei (Petersburg Nuclear Physics Institute) ; ATLAS Collaboration
After its first shutdown, the LHC will provide pp collisions with increased luminosity and energy. [...]
ATL-DAQ-PROC-2015-064. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4937.
Measurement of colour flow with the jet pull angle in $t\bar{t}$ events using the ATLAS detector / Neep, Tom (University of Manchester (GB))
The distribution and orientation of energy inside jets is predicted to provide information about colour connections between the quarks and gluons that initiate the jets. [...]
ATL-PHYS-PROC-2015-183. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4938.
Search for Quantum Black Holes in Lepton+Jet Final State Using pp-Collisions at $\sqrt{s}$ = 8 TeV with the ATLAS / Karpova, Zoya (Joint Institute for Nuclear Research) ; Karpov, Sergey (Joint Institute for Nuclear Research) ; ATLAS Collaboration
Search for quantum black holes (QBHs) was performed with proton-proton collision data collected by the ATLAS detector at the LHC in 2012 at a center-of-mass energy $\sqrt{s}$ = 8 TeV with the integrated luminosity of 20.3 fb$^{-1}$. [...]
ATL-PHYS-PROC-2015-182. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4939.
Precision measurements of Standard Model parameters and Re- view of Drell-Yan and vector boson plus jets measurements with the ATLAS detector / Calace, Noemi (Section de Physique, Universite de Geneve)
The inclusive productions of the $W$ and the on- or off-shell $Z/\gamma$* bosons are standard candles at hadron colliders, while the productions of light and heavy-flavour jets in association with a $W$ or a $Z$ boson are important processes to study quantum-chromo-dynamics (QCD) in multi-scale environments. [...]
ATL-PHYS-PROC-2015-181. - 2016. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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4940.
Electrons in ATLAS: from Run1 to Run2 / Ezhilov, Alexey (Petersburg Nuclear Physics Institute)
An excellent performance of the electron reconstruction, identification and calibration is of vital importance both for precision measurements as well as for searches for new physics. [...]
ATL-PHYS-PROC-2015-180. - 2015. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4941.
ATLAS b-tagging performance during LHC Run 2 with the new Insertable B-layer / Rodina, Yulia (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS)
Expected b-tagging performance in ATLAS during LHC Run-2 is presented together with results of commissioning studies of early Run-2 data. [...]
ATL-PHYS-PROC-2015-179. - 2015. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4942.
ATLAS CP Violation and rare B decays. / Nikolaenko, Vladimir (State Research Center Institute for High Energy Physics (Protvino), NRC KI)
New measurement of CP-violating parameters in B_s -> J/psi phi decay is performed in ATLAS on full Run 1 statistics: phi_s=-0.094+- 0.083(stat)+- 0.033(syst.)$ rad. [...]
ATL-PHYS-PROC-2015-178. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4943.
Inclusive and Differential $t\bar{t}$ Cross Section Measurements with the ATLAS and CMS experiments / Cabrera Urban, Susana (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The inclusive top pair production cross section ${\sigma}_{t\bar{t}}$ measurements with the data samples of proton proton collisions produced by the LHC (Large Hadron Collider) during the Run 1 at center of mass energies of $\sqrt{s}$ = 7 and 8 TeV, have reached an experimental accuracy without precedents. [...]
ATL-PHYS-PROC-2015-177. - 2015. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4944.
Searches for Long-Lived Particles with Displaced Signatures at the LHC / Salvatore, Daniela (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
This contribution focuses on the most recent results from the ATLAS and CMS Collaborations on the searches for Long- Lived Particles at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2015-176. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4945.
ATLAS PDF Results / Stockton, Mark (McGill University, Department of Physics)
Uncertainties from parton distribution functions can limit our measurements of new cross sections and searches beyond the SM. [...]
ATL-PHYS-PROC-2015-175. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4946.
The ATLAS Trigger System: Ready for Run-2 / Maeda, Junpei (Kobe University) ; ATLAS Collaboration
The ATLAS trigger has been successfully collecting collision data during the first run of the LHC between 2009-2013 at a centre-of-mass energy between 900 GeV and 8 TeV. [...]
ATL-DAQ-PROC-2015-063. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4947.
High pT QCD at the LHC / Dunford, Monica (Kirchhoff-Institut f\"{u}r Physik)
At the Large Hadron Collider, measurements of jet production cross sections are important tests of the Standard Model in a new unexplored energy region. [...]
ATL-PHYS-PROC-2015-174. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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4948.
The Challenge of Building Large Area, High Precision Small-Strip Thin Gap Trigger Chambers for the Upgrade of the ATLAS Experiment / Maleev, Victor (Petersburg Nuclear Physics Institute)
The current innermost stations of the ATLAS muon end-cap system must be upgraded in 2018 and 2019 to retain the good precision tracking and trigger capabilities in the high background environment expected with the upcoming luminosity increase of the LHC. [...]
ATL-MUON-PROC-2015-023. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4949.
Search for Invisible Decays of the Higgs boson at the LHC / White, Andrew (The University of Texas at Arlington)
Results are presented from the ATLAS and CMS experiments on searches for invisible decays of the Higgs boson using data from Run 1 at the CERN Large Hadron Collider (LHC)..
ATL-PHYS-PROC-2015-173. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4950.
Inclusive top pair production at 7, 8 and 13 TeV in ATLAS / Glatzer, Julian (CERN)
The inclusive cross-section for top quark pair production has been measured in proton–proton collisions at sqrt(s) = 7 TeV, 8 TeV and 13 TeV with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2015-172. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - PoS Open Access article
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4951.
Semileptonic (lepton, neutrino and jets) $WW/WZ$ resonances search at $\sqrt{s} = 8$~TeV with the ATLAS detector at the LHC / Cheremushkina, Evgeniya (Institute for High Energy Physics (RU))
This poster presents the analysis results of the diboson ($WW$ or $WZ$) resonances production search in pp collisions at $\sqrt{s} = 8$~TeV with the ATLAS detector at the LHC in 2012, using a total integrated luminosity of 20.3~fb$^{-1}$. [...]
ATL-PHYS-PROC-2015-171. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4952.
The ATLAS Liquid Argon Calorimeters At The Dawn Of LHC Run-2 / Camincher, Clement (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC))
The Liquid Argon Calorimeters are key sub-detectors of ATLAS. [...]
ATL-LARG-PROC-2015-010. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4953.
Study of the performance of Micromegas detectors in magnetic field / Sampsonidis, Dimitrios (Aristotle U., Thessaloniki)
Resistive Micromegas (MICRO MEsh GAseous Structure) detectors have been chosen by the ATLAS collaboration at LHC for the high luminosity upgrade, due to their capability to maintain full efficiency and high spatial resolution at high occupancy, for tracking muons in the forward region of the detector. [...]
ATL-MUON-PROC-2015-022. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - EDP Sciences server - Full text
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4954.
Search for long-lived neutral particles decaying into lepton-jets in 20.3 $fb^{-1}$ proton-proton collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector / Schioppa, Marco (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
Several models of elementary particle physics beyond the Standard Model, predict the existence of neutral particles that can decay in jets of leptons and light hadrons (lepton-jets). [...]
ATL-PHYS-PROC-2015-195. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4955.
Femtoscopic measurements in \pPb collisions at $\sqrt{s_{_{\text{NN}}}}= 5.02$~TeV with ATLAS at the LHC / Koehler, Markus K. (Weizmann Inst.)
Recent measurements in two-particle correlations in $\pPb$ collisions suggest collective behavior reminiscent of that observed in Pb+Pb. [...]
arXiv:1601.05632 ; ATL-PHYS-PROC-2015-194. - 2016-12. - 4 p.
Original Communication (restricted to ATLAS) - Link to ATLAS Note - Preprint
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4956.
Searches for Dark Matter at the ATLAS experiment / Abreu, Henso (Department of Physics, Technion)
Abstract. [...]
ATL-PHYS-PROC-2015-193. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4957.
Boosted hadronic top identification at ATLAS for early 13 TeV data
This note presents an algorithm to be used for the identification of boosted hadronically-decaying top quarks by the ATLAS collaboration for early 13 TeV data. [...]
ATL-PHYS-PUB-2015-053. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4958.
Robustness of the Artificial Neural Networks Used for Clustering in the ATLAS Pixel Detector
A study of the robustness of the ATLAS pixel neural network clustering algorithm is presented. [...]
ATL-PHYS-PUB-2015-052. - 2015. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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4959.
A search for Supersymmetry in events containing a leptonically decaying $Z$ boson, jets and missing transverse momentum in $\sqrt{s}=13~$TeV $pp$ collisions with the ATLAS detector
A search for supersymmetric particles in final states containing a same-flavour opposite-sign lepton (electron or muon) pair with an invariant mass consistent with that of the $Z$ boson, jets and large missing transverse momentum is presented. [...]
ATLAS-CONF-2015-082. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4960.
Search for resonances decaying to photon pairs in 3.2 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
This note describes a search for new resonances decaying to two photons, with invariant mass larger than 200 GeV. [...]
ATLAS-CONF-2015-081. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4961.
Search for dark matter produced in association with a hadronically decaying vector boson in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector at the LHC
This note describes a search for dark matter produced in association with a hadronically-decaying $W$ or $Z$ boson using 3.2~fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=13$ TeV recorded by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2015-080. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4962.
Measurement of the inclusive cross-section of single top-quark $t$-channel production in $pp$ collisions at $\sqrt{s}$ = 13 TeV
A measurement of the $t$-channel single top-quark production cross-section in the lepton+jets channel using 3.2 fb$^{-1}$ $pp$ collision data at a centre-of-mass energy of 13 TeV, recorded with the ATLAS detector in 2015, is presented. [...]
ATLAS-CONF-2015-079. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4963.
Search for supersymmetry at $\sqrt{s}=13$ TeV in final states with jets and two same-sign leptons or three leptons with the ATLAS detector
A search for strongly produced supersymmetric particles is conducted using signatures involving multiple energetic jets and either two isolated leptons ($e$ or $\mu$) with the same electric charge or at least three isolated leptons. [...]
ATLAS-CONF-2015-078. - 2015. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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4964.
Search for new phenomena in final states with large jet multiplicities and missing transverse momentum with ATLAS using $\sqrt{s}$ = 13 TeV proton–proton collisions
Results are reported of a search for new phenomena — such as supersymmetric particle production — that could be observed in high-energy proton-proton collisions. [...]
ATLAS-CONF-2015-077. - 2015. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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4965.
Search for gluinos in events with an isolated lepton, jets and missing transverse momentum at √ s= 13 TeV with the ATLAS detector
Results of a search for gluinos in final states with an isolated electron or muon, multiple jets and large transverse missing momentum are presented, using proton-proton collision data at a centre-of-mass energy of s√= 13 TeV. [...]
ATLAS-CONF-2015-076. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4966.
Search for $WW/WZ$ resonance production in the $\ell\nu qq$ final state at $\sqrt{s}=13\,$ TeV with the ATLAS detector at the LHC
A search is presented for new resonances decaying to $WW$ or $WZ$ final states, where one $W$ boson decays leptonically (to an electron or a muon plus a neutrino) and the other $W/Z$ boson decays hadronically. [...]
ATLAS-CONF-2015-075. - 2015. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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4967.
Search for new resonances decaying to a W or Z boson and a Higgs boson in the $\ell\ell b\bar b$, $\ell\nu b\bar b$, and $\nu\nu b\bar b$ channels in $pp$ collisions at $\sqrt s = 13$~TeV with the ATLAS detector
A search is presented for new resonances decaying to a $W$ or $Z$ boson and a Higgs boson in the $\ell\ell b\bar b$, $\ell\nu b\bar b$, and $\nu\nu b\bar b$ channels in $pp$ collisions at $\sqrt s = 13$~TeV with the ATLAS detector at the Large Hadron Collider using a total of $3.2\pm0.2$ fb$^{-1}$ of integrated luminosity. [...]
ATLAS-CONF-2015-074. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4968.
Search for resonances with boson-tagged jets in 3.2 fb−1 of p p collisions at √ s = 13 TeV collected with the ATLAS detector
A search is performed for narrow resonances decaying into $WW$, $WZ$, or $ZZ$ boson pairs using 3.2/fb of proton-proton collision data at a centre-of-mass energy of $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015. [...]
ATLAS-CONF-2015-073. - 2015. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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4969.
Search for beyond the Standard Model phenomena in $e\mu$ final states in pp collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search is conducted for neutral heavy particles decaying into opposite-sign different flavour dilepton $e^{\pm}\mu^{\mp}$ pairs, using 3.2 fb$^{-1}$ of data from proton-proton collisions at the LHC collected by the ATLAS detector at $\sqrt{s}=13$ TeV. [...]
ATLAS-CONF-2015-072. - 2015. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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4970.
Search for diboson resonances in the llqq final state in pp collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
This note reports a search for heavy resonances decaying into a $WZ$ or $ZZ$ pair using 3.2 fb$^{-1}$ of proton-proton collision data at a centre-of-mass energy of $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2015-071. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4971.
Search for new phenomena in the dilepton final state using proton-proton collisions at √ s = 13 TeV with the ATLAS detector
A search is conducted for both resonant and non-resonant new phenomena in dielectron and dimuon final states. [...]
ATLAS-CONF-2015-070. - 2015. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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4972.
Measurements of the total cross sections for Higgs boson production combining the $H \to \gamma \gamma$ and $H \to ZZ^* \to 4\ell$ decay channels at 7, 8 and 13 TeV center-of-mass energies with the ATLAS detector
Measurements of total cross sections are presented for Higgs boson production in proton-proton collisions recorded by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2015-069. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4973.
Search for diboson resonances in the $\nu\nu qq$ final state in $pp$ collisions at $\sqrt{s}=$13 TeV with the ATLAS detector
A search is performed for resonances decaying into $WZ$ or $ZZ$ pairs in proton-proton collision data at a centre-of-mass energy of $\sqrt{s} = 13$ TeV. [...]
ATLAS-CONF-2015-068. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4974.
Search for pair-production of gluinos decaying via stop and sbottom in events with $b$-jets and large missing transverse momentum in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
A search for pair-production of gluinos decaying via third generation squarks to the lightest neutralino ($\displaystyle\tilde\chi^0_1$) is reported. [...]
ATLAS-CONF-2015-067. - 2015. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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4975.
Search for Bottom Squark Pair Production with the ATLAS Detector in proton-proton Collisions at $\sqrt{s}=13$ TeV
The result of a search for pair production of the supersymmetric partners of the Standard Model bottom quarks (b1) is reported [...]
ATLAS-CONF-2015-066. - 2015. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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4976.
Measurement of jets produced in top quark events using the di-lepton final state with 2 $b$-tagged jets in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
Measurements of the normalized differential cross-sections of top-quark pair production are presented as a function of multiplicity of additional jets using 3.2 $fb^{-1}$ of pp collision data at a centre-of-mass energy of 13 TeV. [...]
ATLAS-CONF-2015-065. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4977.
$B^\pm$ mass reconstruction in $B^\pm\to J/\psi K^\pm$ decay at ATLAS at 13 TeV $pp$ collisions at the LHC
The performance of the ATLAS detector in reconstructing $B^\pm$ candidates is tested using 3.2 fb$^{−1}$ of $pp$ collision data from the LHC at a centre of mass energy of 13 TeV. [...]
ATLAS-CONF-2015-064. - 2015. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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4978.
Search for new resonances in events with one lepton and missing transverse momentum in $pp$ collisions at $\sqrt s = 13$ TeV with the ATLAS detector
This note presents a search for $W^\prime$ bosons in events with one lepton (electron or muon) and missing transverse momentum. [...]
ATLAS-CONF-2015-063. - 2015. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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4979.
Search for squarks and gluinos in final states with jets and missing transverse momentum at $\sqrt{s}$ =13 TeV with the ATLAS detector
A search for squarks and gluinos in final states containing jets, missing transverse momentum and no electrons or muons is presented. [...]
ATLAS-CONF-2015-062. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4980.
Search for Neutral Minimal Supersymmetric Standard Model Higgs Bosons $H/A \to \tau \tau$ produced in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS Detector
A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) decaying to a pair of $\tau$ leptons is performed using a data sample corresponding to an integrated luminosity of 3.2 fb$^{-1}$ from $\sqrt{s} = 13$ TeV proton-proton collisions recorded by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2015-061. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4981.
Measurement of the Higgs boson production cross section at 7, 8 and 13 TeV center-of-mass energies in the $H\rightarrow\gamma\gamma$ channel with the ATLAS detector
Measurements of the fiducial cross section performed in the $H\rightarrow\gamma\gamma$ decay channel are presented for Higgs boson production in proton-proton collisions at center-of-mass energies of 7, 8 and 13 TeV at the ATLAS experiment. [...]
ATLAS-CONF-2015-060. - 2015. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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4982.
Measurements of the Higgs boson production cross section at 7, 8 and 13 TeV centre-of-mass energies and search for new physics at 13 TeV in the $H \rightarrow ZZ^* \rightarrow \ell^+ \ell^− \ell'^+ \ell'^−$ final state with the ATLAS detector
Preliminary results for Higgs boson production in $pp$ collisions at a centre-of-mass energy of 13 TeV performed by the ATLAS Collaboration in the decay channel $H \rightarrow ZZ^* \rightarrow \ell^+ \ell^− \ell'^+ \ell'^−$, where $\ell,\ell^{'}=e\text{ or }\mu$, are presented. [...]
ATLAS-CONF-2015-059. - 2015.
Original Communication (restricted to ATLAS) - Full text
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4983.
Performance of the ATLAS Tile Calorimeter / Solodkov, Alexander (State Research Center Institute for High Energy Physics (Protvino), NRC KI)
The Tile Calorimeter (TileCal), the central section of the hadronic calorimeter of the ATLAS experiment, is a key detector component to detect hadrons, jets and taus and to measure the missing transverse energy. [...]
ATL-TILECAL-PROC-2015-024. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4984.
The New Front-End Electronics for the ATLAS Tile Calorimeter Phase 2 Upgrade / Drake, Gary (Argonne National Laboratory) ; ATLAS Tile Collaboration
We present the design for the new front-end electronics being developed for the Phase 2 Upgrade of the ATLAS Tile Calorimeter [...]
ATL-TILECAL-PROC-2015-023. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4985.
ATLAS Measurements Sensitive to the Proton Structure / Bussey, Peter (University of Glasgow, SUPA - School of Physics and Astronomy)
This talk presents a survey of ATLAS measurements at the LHC that are sensitive in various ways to the parton distribution functions of the proton..
ATL-PHYS-PROC-2015-192. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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4986.
$B^±_{c}$ Spectroscopy Results with the ATLAS Experiment / Burdin, Sergey (University of Liverpool)
The $B^±_c$ meson has been studied by ATLAS experiment in several exclusive channels containing a $J/\psi$. [...]
ATL-PHYS-PROC-2015-191. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4987.
Alignment of the ATLAS Inner Detector in the LHC Run II / Barranco Navarro, Laura (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
ATLAS physics goals require excellent resolution, unbiased measurement of all charged particle kinematic parameters. [...]
ATL-PHYS-PROC-2015-190. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4988.
Overview of FCNC Searches in Top Events from CMS and ATLAS / Lemmer, Boris (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
The status of searches for flavor changing neutral currents (FCNCs) in top quark events from the ATLAS and CMS collaborations is presented. [...]
ATL-PHYS-PROC-2015-189. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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4989.
Search for Scalar Leptoquarks in $pp$ Collisions at $\sqrt{s}=8$ TeV with ATLAS Detector / Kamenshchikov, Andrey (State Research Center Institute for High Energy Physics (Protvino), NRC KI)
The work is dedicated to a search for pair-produced scalar leptoquarks using 20.3 fb$^{-1}$ of data recorded by the ATLAS detector at $\sqrt{s}=8$ TeV. [...]
ATL-PHYS-PROC-2015-188. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4990.
Inclusive Searches for Squarks and Gluinos with the ATLAS Experiment at LHC / Maurer, Julien (National Institute of Physics and Nuclear Engineering (IFIN-HH))
The ATLAS experiment at LHC has conducted searches for the supersymmetric partners of quarks and gluons in the proton-proton collision data collected in 2012, at a centre-of-mass energy of 8 TeV and with an integrated luminosity of 20.3 fb$^{-1}$, using various topologies corresponding to different decay modes. [...]
ATL-PHYS-PROC-2015-187. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4991.
ATLAS Muon Reconstruction Performance in LHC Run 2 / Koehler, Nicolas Maximilian (Max-Planck-Institut fuer Physik)
The performance measurements of the new muon reconstruction algorithm during the early data taking of the LHC in 2015 at a centre-of-mass energy of $\sqrt{s}=13\,$TeV are discussed. [...]
ATL-PHYS-PROC-2015-186. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4992.
Status of Beyond Standard Model Higgs searches at the LHC / Bruckman de Renstrom, Pawel (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
An overview of searches for Beyond Standard Model physics phenomena in the Higgs sector from the ATLAS and the CMS experiments in LHC Run 1 is given. [...]
ATL-PHYS-PROC-2015-206. - 2015. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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4993.
Search for Direct Pair Production of Top Squark in the Final State of Two Tau Leptons at ATLAS / Hasib, A. (Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma)
The first hadron collider search for direct pair production of the supersymmetric partner of the top quark, decaying via a scalar tau to a nearly massless gravitino is performed using data from proton--proton collision at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2015-205. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4994.
New Physics search in mono-jet final states with the ATLAS experiment at the LHC / Gustavino, Giuliano (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
The search for New Physics in final states with an energetic jet and large missing transverse momentum plays a major role in the physics program of the LHC experiments. [...]
ATL-PHYS-PROC-2015-204. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4995.
The $R_{\text{AA}}$ and $v_{2}$ of muons from heavy-quark decays in Pb+Pb collisions at $\sqrt{s_{_\text{NN}}}=2.76$ TeV with the ATLAS detector / Milov, Alexander (Weizmann Inst.)
The ATLAS experiment measures the production of muons coming from the decays of heavy flavour particles in the kinematic interval $4 {<} p_{\text{T}} {<} 14$ GeV and $|\eta|{<}1$. [...]
arXiv:1512.08877 ; ATL-PHYS-PROC-2015-203. - 2016-12. - 4 p.
Original Communication (restricted to ATLAS) - Link to ATLAS Note - Preprint - Preprint
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4996.
Measurements of Single Electroweak Boson Production in 13 TeV pp Collisions with the ATLAS Detector / Nielsen, Jason (Institute for Particle Physics, University of California)
The $W\rightarrow \ell \nu$ and $Z \rightarrow \ell^+ \ell^-$ production cross sections have been measured in $pp$ collisions at 13\,TeV using $85\,\rm{pb}^{-1}$ of data recorded with the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2015-202. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4997.
Search for single top-quark production via FCNC at 8 TeV with ATLAS / Hirschbuehl, Dominic (Bergische Universitaet (Wuppertal), Fakultaet fuer Mathematik und Naturwissenschaften)
A search for single top-quark production via flavour changing neutral current processes from gluon plus up- or charm--quark initial states in proton--proton collisions at the LHC is presented. [...]
ATL-PHYS-PROC-2015-201. - 2015. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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4998.
Jet Vertex Charge Reconstruction / Nektarijevic, Snezana (Radboud University Nijmegen and NIKHEF)
A newly developed algorithm called the jet vertex charge tagger, aimed at identifying the sign of the charge of jets containing $b$-hadrons, referred to as $b$-jets, is presented. [...]
ATL-PHYS-PROC-2015-200. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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4999.
Studies of jet cross-sections and production properties with the ATLAS and CMS detectors / Anjos, Nuno (Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Barcelona, Spain)
Several aspects of jet production in pp collisions have been measured by the ATLAS and CMS collaborations at the LHC. [...]
ATL-PHYS-PROC-2015-199. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5000.
A new read-out architecture for the ATLAS Tile Calorimeter Phase-II Upgrade / Valero, Alberto (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; ATLAS Tile Collaboration
TileCal is the Tile hadronic calorimeter of the ATLAS experiment at the LHC. [...]
ATL-TILECAL-PROC-2015-025. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5001.
R-Parity Violating SUSY Results from ATLAS and CMS / Pettersson, Nora Emilia (Tokyo Institute of Technology)
Experimental searches for Supersymmetry (SUSY) at the Large Hadronic Collider (LHC) often assume R-Parity Conservation (RPC) to avoid proton decay. [...]
ATL-PHYS-PROC-2015-198. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5002.
Measurements of di-boson and tri-boson Production (involving photons) with ATLAS+CMS Detectors / Li, Shu (Duke University, Department of Physics)
We present a broad range of Standard Model measurements of Di-boson and Tri-boson (with photons) production cross sections on a variety of decay channels using high center-of-mass energey proton-proton collision data with ATLAS and CMS detectors. [...]
ATL-PHYS-PROC-2015-197. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5003.
Research and Development for the ATLAS Forward Calorimetry at the Phase-II LHC / Cheplakov, Alexander (Joint Institute for Nuclear Research)
During the LHC Run-1 data taking period the ATLAS calorimeter system demonstrated an excellent performance of the electron and photon reconstruction as well as the hadronic jets and missing transverse energy measurements. [...]
ATL-LARG-PROC-2015-011. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5004.
BSM searches (SUSY and Exotic) from ATLAS / Schioppa, Marco (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
Searches for new physics beyond the Standard Model (SM) at the LHC are mainly driven by two approaches: a signature-based search where one looks for a deviation from the SM prediction in event yield or kinematic properties, and a more theory-oriented approach where the search is designed to look for specific signatures/topologies predicted by certain beyond standard model (BSM ) scenarios. [...]
ATL-PHYS-PROC-2015-196. - 2015. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5005.
Centrality dependence of low-\p_{T} and high-p_{T} particle production in proton--lead collisions with ATLAS. / Shulga, Evgeny (National Research Nuclear University MEPhI)
Measurements of the centrality dependence of low-p_{T} and high-p_{T} particle production in proton-lead collisions at the LHC can provide unique insight into the dynamics of soft and hard scattering processes and the initial state of ultra-relativistic nuclear collisions. [...]
ATL-PHYS-PROC-2015-212. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5006.
Measurement of the correlation between flow harmonics of different order in lead-lead collisions at $\sqrt{s_{NN}}$=2.76 TeV with ATLAS / Radhakrishnan, Sooraj Krishnan (Stony Brook University)
Measurement of the correlation between elliptic or triangular flow coefficients $v_m$ ($m$ = 2, 3) and other flow harmonics $v_n$ ($n$ = 2 to 5) in $\sqrt{s_{NN}}$ = 2.76 TeV Pb+Pb collisions using the data collected by the ATLAS experiment at the LHC is presented. [...]
ATL-PHYS-PROC-2015-211. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5007.
Higgs Boson Properties at the LHC: Mass, Spin and Parity / Venturi, Manuela (University of Victoria)
The individual and combined measurements of the mass, spin and parity properties of the Higgs boson, obtained with the ATLAS and CMS detectors, using up to 25 fb^{-
ATL-PHYS-PROC-2015-210. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5008.
Vector-boson production in p+Pb collisions measured with ATLAS at the LHC / Grabowska-Bold, Iwona (AGH-UST, Cracow)
Electroweak–boson production processes (W, Z and photon) provide access to the earliest moments of heavy–ion collisions. [...]
ATL-PHYS-PROC-2015-209. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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5009.
Measurements of minimum bias events, underlying event and particle production properties in ATLAS / Wozniak, Krzysztof (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
The measurements of the minimum bias events provide valuable information on the basic properties of the $pp$ interactions. [...]
ATL-PHYS-PROC-2015-208. - 2015. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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5010.
Multi-Boson Simulation for 13 TeV ATLAS Analyses
This note describes the Monte Carlo setup used by ATLAS to model multi-boson processes in 13 TeV $pp$ collisions. [...]
ATL-PHYS-PUB-2016-002. - 2016.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
5011.
Validation of Monte Carlo event generators in the ATLAS Collaboration for LHC Run 2
This note reviews the main steps followed by the ATLAS Collaboration to validate the properties of particle-level simulated events from Monte Carlo event generators in order to ensure the correctness of all event generator configurations and production samples used in physics analyses. [...]
ATL-PHYS-PUB-2016-001. - 2016. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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5012.
QCD measurements of vector-boson production with the ATLAS detector / Kondrashova, Nataliia (DESY)
Measurements of W and Z bosons production at the LHC with the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2016-006. - 2017. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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5013.
Higgs Differential Cross Sections, Spin/CP Measurements, and Rare Channels at the LHC and Tevatron / Tackmann, Kerstin (DESY)
These proceedings report on a collection of Higgs boson property studies based on the LHC Run1 dataset, consisting of about 25~fb$^{-1}$ pp collision data collected at a center-of-mass energy of 7 and 8~TeV by the ATLAS and CMS experiments at the Large Hadron Collider, as well as a study from the CDF and D0 experiments, based on about 10~fb$^{-1}$ $p\bar{p}$ collision data taken at a center-of-mass energy of 1.96~TeV at the Tevatron collider. [...]
ATL-PHYS-PROC-2016-005. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5014.
Observation of long-range elliptic anisotropies in $\sqrt{s}=13$ and 2.76 TeV $pp$ collisions with the ATLAS detector / Zhou, Mingliang (SUNY, Stony Brook, Chem. Dept.)
ATLAS has measured two-particle correlations as a function of relative azimuthal-angle, $\Delta\phi$, and pseudorapidity difference, $\Delta\eta$, in $\sqrt{s}=13$ and 2.76 TeV $pp$ collisions at the LHC. [...]
ATL-PHYS-PROC-2016-004. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5015.
Forward-backward multiplicity correlations in $pp$, $p$+Pb and Pb+Pb collisions with the ATLAS detector / Jia, Jiangyong (SUNY, Stony Brook, Chem. Dept. and Brookhaven)
Two-particle pseudorapidity correlations are measured in $\sqrt{s_{\rm{NN}}}$=2.76 TeV Pb+Pb, $\sqrt{s_{\rm{NN}}}$=5.02 TeV $p$+Pb and $\sqrt{s}$ =13 TeV $pp$ collisions~\cite{ATLAS}. [...]
ATL-PHYS-PROC-2016-003. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5016.
New results on fully corrected dijet asymmetry in Pb+Pb collisions with ATLAS / Perepelitsa, Dennis (Brookhaven)
The phenomenon of events containing highly asymmetric dijet pairs is one of the most striking results in heavy ion physics, providing the first direct observation of in-medium jet energy loss at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2016-002. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5017.
Jet suppression and the flavor dependence of partonic energy loss with ATLAS / Kosek, Tomas (Charles U., Prague (main))
In relativistic heavy ion collisions, a hot medium with a high density of unscreened color charges is produced. [...]
ATL-PHYS-PROC-2016-001. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5018.
Prospects On Standard Model And Higgs Physics At The HL-LHC / Nisati, Aleandro (INFN, Rome)
The luminosity upgrade of LHC, HL-LHC, will provide a large statistics data set that allows precision measurements of the 125 GeV Higgs boson properties. [...]
ATL-PHYS-PROC-2016-011. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5019.
Modelling of the $t\bar{t}H$ and $t\bar{t}V$ $(V=W,Z)$ processes for $\sqrt{s}=13$ TeV ATLAS analyses
Production of top quark pairs in association with heavy Standard Model bosons is important both as a signal and a background in several ATLAS analyses. [...]
ATL-PHYS-PUB-2016-005. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5020.
Top-quark mass measurements at the LHC: alternative methods / Vos, Marcel (Valencia U., IFIC)
Alternative top quark mass determinations can provide inputs to the world average with orthogonal systematic uncertainties and may help to refine the interpretation of the standard method. [...]
ATL-PHYS-PROC-2016-010. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5021.
Top physics in ATLAS / Naranjo Garcia, Roger Felipe (DESY)
These proceedings summarize the latest measurements on top production, top properties and searches using the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2016-009. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5022.
SUPERSYMMETRY SEARCHES IN ATLAS / Romero Adam, Elena (Valencia U., IFIC)
Weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2016-008. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5023.
Simulation of top quark production for the ATLAS experiment at sqrt(s) = 13 TeV
This note summarises the Monte Carlo simulation setup for the pair and single production of top quarks for the ATLAS experiment at the LHC for sqrt(s)=13 TeV. [...]
ATL-PHYS-PUB-2016-004. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5024.
Measurements of the properties of the Higgs boson using the ATLAS Detector / Filipuzzi, Marco (DESY)
A review of the Higgs coupling measurements and spin/CP tests with up to 25 fb$^{-1}$ of $\sqrt{s}=7$ and $8$ TeV proton-proton collision data collected by the ATLAS detector at the LHC in 2011 and 2012 is presented presented. [...]
ATL-PHYS-PROC-2016-007. - 2017. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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5025.
Monte Carlo Generators for the Production of a $W$ or $Z/\gamma^*$ Boson in Association with Jets at ATLAS in Run 2
This note documents the Monte Carlo generators used by the ATLAS collaboration at the start of Run 2 for processes where a $W$ or $Z/\gamma^*$ boson is produced in association with jets. [...]
ATL-PHYS-PUB-2016-003. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5026.
Early Run 2 soft QCD results from the ATLAS Collaboration / Oide, Hideyuki (CERN) ; ATLAS Collaboration
Since a few months the LHC has started to deliver pp collisions at the unprecedented centre-of-mass energy of 13 TeV. [...]
ATL-PHYS-PROC-2016-013. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5027.
Single top measurements at the LHC: $s$-channel and $Wt$ production / Gabaldon, Carolina (LPSC, Grenoble)
This paper summarises the latest experimental results on single top quark physics by the ATLAS and CMS collaborations using LHC proton--proton collisions at $\sqrt{s}=8 \rm \ TeV$. [...]
ATL-PHYS-PROC-2016-012. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5028.
ATLAS Physics Objects: Status and Performance at 13 TeV / Riu, Imma (Barcelona, IFAE)
The ATLAS experiment is designed to study the proton-proton collisions produced at the Large Hadron Collider at CERN. [...]
ATL-PHYS-PROC-2016-017. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5029.
Level-1 Data Driver Card of the ATLAS New Small Wheel upgrade compatible with the Phase II 1 MHz readout scheme / Gkountoumis, Panagiotis (National Technical University of Athens ; Brookhaven)
The Level-1 Data Driver Card (L1DDC) will be designed for the needs of the future upgrades of the innermost stations of the ATLAS end-cap muon spectrometer. [...]
ATL-MUON-PROC-2016-001. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5030.
Study of higher-order QCD corrections in the $gg\rightarrow H\rightarrow VV$ process
Several studies have shown that the high-mass off-peak regions in the $H\rightarrow ZZ$ and $H\rightarrow WW$ channels above the $VV$ mass threshold ($V=W,Z$) have sensitivity to off-shell Higgs production and interference effects. [...]
ATL-PHYS-PUB-2016-006. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5031.
Jets, W and Z bosons in pA and AA collisions: ATLAS and CMS / Sidoti, Antonio (INFN, Bologna)
In these proceedings we will review the measurements related with jet physics, W and Z bosons performed by ATLAS and CMS during the heavy ion collisions program (PbPb and pPb collisions) of LHC Run1 (2010-2013)..
ATL-PHYS-PROC-2016-016. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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5032.
Search for flavour-changing neutral current top quark decays $t\to Hq$ in pp collisions at $\sqrt{s}=8$ TeV with the ATLAS detector / Tsiskaridze, Shota (Barcelona, IFAE)
A search for flavour-changing neutral current decays of a top quark to an up-type quark ($q$ = $u$, $c$) and the Standard Model Higgs boson, where the Higgs boson decays to $b\bar{b}$, is presented. [...]
ATL-PHYS-PROC-2016-015. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5033.
Search for new phenomena at the high luminosity LHC with ATLAS / Glaysher, Paul (U. Edinburgh (main))
ATLAS sensitivity studies into the prospects of measuring Higgs boson properties and performing searches for new phenomena are presented in the context of the High Luminosity LHC. [...]
ATL-PHYS-PROC-2016-014. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5034.
Studies of the underlying event and particle production with the ATLAS detector / Robinson, James (DESY)
The ATLAS collaboration has made a wide range of measurements of the underlying event and of particle production. [...]
ATL-PHYS-PROC-2016-024. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5035.
Overview of dark matter searches at the ATLAS experiment / Meirose, Bernhard (Texas U., Dallas)
After a brief introduction a concise summary of some of ATLAS experiment's stragies to search for dark matter is presented. [...]
ATL-PHYS-PROC-2016-023. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text - WSP Open Access Article
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5036.
Measurements of the top-quark mass in fixed schemes and with alternative methods using the ATLAS and CMS detectors at the LHC / Barillari, Teresa (Munich, Max Planck Inst.)
Selected topics of the top-quark mass measurements in well-defined schemes are presented. [...]
arXiv:1903.00570 ; ATL-PHYS-PROC-2016-022. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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5037.
ttbar+Boson (except Higgs) / Sjoelin, Joergen (Stockholm U.)
The latest results for processes with a top-pair and an associated vector boson are presented. [...]
ATL-PHYS-PROC-2016-021. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5038.
Recent ATLAS results and preparations for Run 2 / Pásztor, Gabriella (Carleton U.)
The CERN LHC delivered 25/fb of proton-proton collision data in 2011-2012 at sqrt(s) = 7 - 8 TeV centre-of-mass energy to the ATLAS detector. [...]
arXiv:1602.01536 ; ATL-PHYS-PROC-2016-020. - 2016. - 19 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5039.
Searches for vector-like quarks with top quarks / Tseng, Jeffrey (U. Oxford (main))
Searches for vector-like quarks at the ATLAS and CMS experiments in approximately 20 fb−1 of 8 TeV data from the LHC are presented. [...]
ATL-PHYS-PROC-2016-019. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5040.
Calibration of ATLAS $b$-tagging algorithms in dense jet environments
This note describes the calibration of various ATLAS $b$-tagging algorithms using reconstructed $t\bar{t}$ candidate events in the final state of one charged lepton, missing transverse momentum, and at least four jets, in the ATLAS $\sqrt{s}=8 \TeV$ $pp$ collision data sample. [...]
ATLAS-CONF-2016-001. - 2016. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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5041.
Measurements of Bose-Einstein correlations with the ATLAS detector / Zenin, Oleg (Serpukhov, IHEP)
This report summarizes studies of Bose-Einstein Correlations (BEC) for pairs of like-sign charged particles measured in the kinematic range $p_T > 100$~MeV and $|\eta| < 2.5$ in $pp$ collisions at $\sqrt{s} = 0.9$ and $7$~TeV with the ATLAS detector at LHC. [...]
ATL-PHYS-PROC-2016-018. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5042.
Studies of double parton scattering with the ATLAS detector / Gueta, Orel (Tel Aviv U. (main))
The contributions of double and multiple parton scattering are sizable in many physics processes at the LHC, especially in the region of low particle transverse momenta. [...]
ATL-PHYS-PROC-2016-026. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5043.
Measurements of the properties of the Higgs boson using the ATLAS detector / Queitsch-Maitland, Michaela (Manchester U.)
A review of Run 1 results on the spin CP properties and differential cross section measurements of the Higgs boson using the ATLAS detector will be presented..
ATL-PHYS-PROC-2016-025. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5044.
Measurements of Properties of the Strong and Electroweak forces with the ATLAS detector at the LHC / Gregersen, Kristian (University Coll. London)
The Standard Model of particle physics is built around the idea of local gauge symmetries, leading to the existence of vector bosons, mediators of the strong and electroweak forces. [...]
ATL-PHYS-PROC-2016-029. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5045.
Performance of a Real-time Multipurpose 2-Dimensional Clustering Algorithm Developed for the ATLAS Experiment / Gkaitatzis, Stamatios (Aristotle University of Thessaloniki) ; Sotiropoulou, Calliope Louisa (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Annovi, Alberto (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Kordas, Kostantinos (Aristotle University of Thessaloniki)
In this paper the performance of the 2D pixel clustering algorithm developed for the Input Mezzanine card of the ATLAS Fast TracKer system is presented. [...]
ATL-DAQ-PROC-2016-001. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5046.
Standard Model Results from ATLAS - Early 13 TeV Data / Chwastowski, Janusz (Cracow, INP)
Selected results considering the Standard Model obtained with the ATLAS detector using the early 13 TeV data are presented..
ATL-PHYS-PROC-2016-028. - 2016. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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5047.
ATLAS and CMS Virtual Visits: Bringing Cutting Edge Science into the Classroom and Beyond / Lapka, Marzena (Fermi National Accelerator Lab. (US)) ; Goldfarb, Steven (University of Michigan, Department of Physics) ; Aguirre, Lucie (CERN) ; Hill, Ewan (University of Victoria) ; Bourdarios, Claire (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) ; Beni, Noemi (Hungarian Academy of Sciences (HU)) ; Hochkeppel, Stephan Michael (University of Bonn) ; Petrilli, Achille (CERN) ; Szillasi, Zoltan (Hungarian Academy of Sciences (HU)) ; Alexopoulos, Angelos (University of Ioannina (GR))
Advances in information and communications technologies (ICTs) have given rise to innovative uses of web-based video tools for global communication, enhancing the impact of large research facilities, including their outreach and education programmes. [...]
ATL-OREACH-PROC-2016-003 ; CMS-CR-2016-028. - 2015. - 9 p.
Original Communication (restricted to ATLAS) - Published version from PoS - Fulltext
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5048.
Resources for Education and Outreach Activities : discussion session / Barney, David (CERN) ; Bilow, Uta (Institut fuer Kern- und Teilchenphysik, Technische Universitaet Dresden) ; Bourdarios, Claire (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) ; Kobel, Michael (Institut fuer Kern- und Teilchenphysik, Technische Universitaet Dresden) ; Kourkoumelis, Christine (University of Athens) ; Melo, Ivan (Institute of Experimental Physics of the Slovak Academy of Sciences, Kosice) ; Rangel-Smith, Camila (Uppsala University, Department of Physics and Astronomy) ; Alexopoulos, Angelos (University of Ioannina (GR))
Over the past few years a variety of resources have been developed, by individuals and groups, to support Education & Outreach activities in particle physics [...]
ATL-OREACH-PROC-2016-002. - 2015. - 20 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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5049.
The ATLAS detector: status and performance in Run-II / Schramm, Steven (Geneva U.)
During the first extended shutdown of the LHC, in 2013 and 2014, the ATLAS detector has undergone several improvements. [...]
ATL-PHYS-PROC-2016-027. - 2016.
Original Communication (restricted to ATLAS) - WSP Open Access Article - Full text
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5050.
Involving other communities through challenges and cooperation / Nellist, Clara (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) ; ATLAS Collaboration
The ATLAS collaboration has recently setup three projects targeting citizen science or specific communities : The goal of the HiggsML project was to bring particle physicists and data scientists together through a challenge: compete online to obtain the best Higgs to tau tau signal significance on a set of ATLAS fully simulated signal and background. [...]
ATL-OREACH-PROC-2016-001. - 2015. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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5051.
Upgrading the ATLAS fast calorimeter simulation / Hubacek, Zdenek (Czech Technical University in Prague, Inst. of Exp. and Applied Physics, Fac. of Nuclear Sciences and Physical Engineering, Fac. of Mechanical Engineering, Fac. of Transportation Sciences)
Many physics and performance studies with the ATLAS detector at the Large Hadron Collider require very large samples of simulated events, and producing these using the full GEANT4 detector simulation is highly CPU intensive. [...]
ATL-SOFT-PROC-2016-002. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP OA article
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5052.
Status and prospects for BSM ( (N)MSSM) Higgs searches at the LHC / Casado, Maria Pilar (Barcelona, IFAE)
Searches for Beyond the Standard Model (BSM) Higgs processes in the context of Minimal Supersymmetric Standard Model (MSSM) and Next to MSSM (NMSSM) are presented. [...]
ATL-PHYS-PROC-2016-030. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5053.
Scaling up ATLAS Event Service to production levels on opportunistic computing platforms / Benjamin, Douglas (Duke University, Department of Physics) ; Caballero, Jose (Brookhaven National Laboratory (BNL)) ; Ernst, Michael (Brookhaven National Laboratory (BNL)) ; Guan, Wen (Department of Physics, University of Wisconsin) ; Hover, John (Brookhaven National Laboratory (BNL)) ; Lesny, David (University of Illinois at Urbana-Champaign) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Nilsson, Paul (Brookhaven National Laboratory (BNL)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; van Gemmeren, Peter (Argonne National Laboratory) et al.
Continued growth in public cloud and HPC resources is on track to exceed the dedicated resources available for ATLAS on the WLCG. [...]
ATL-SOFT-PROC-2016-001. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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5054.
The Run-2 ATLAS Trigger System / Ruiz-Martinez, Aranzazu (Carleton University) ; ATLAS Collaboration
The ATLAS trigger successfully collected collision data during the first run of the LHC between 2009-2013 at different centre-of-mass energies between 900 GeV and 8 TeV. [...]
ATL-DAQ-PROC-2016-003. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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5055.
ATLAS FTK a – very complex – custom super computer / Kimura, Naoki (Aristotle University of Thessaloniki)
In the ever increasing pile-up LHC environment advanced techniques of analyzing the data are implemented in order to increase the rate of relevant physics processes with respect to background processes. [...]
ATL-DAQ-PROC-2016-002. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP OA article
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5056.
ATLAS EventIndex monitoring system using the Kibana analytics and visualization platform / ATLAS collaboration - Presenter, principal author Corresponding Author
The ATLAS EventIndex is a data catalogue system that stores event-related metadata for all (real and simulated) ATLAS events, on all processing stages [...]
ATL-SOFT-PROC-2016-004. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5057.
Recent results from ATLAS on B Physics and Quarkonia / Jones, Roger (Lancaster U.)
Recent results from the extensive programme of heavy flavour and onia studies in ATLAS are presented. [...]
ATL-PHYS-PROC-2016-032. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5058.
2015 start-up trigger menu and initial performance assessment of the ATLAS trigger using Run-2 data
This document summarizes the ATLAS trigger upgrades over the 2013-2014 LHC shutdown for the Run-2 data-taking and the start-up trigger menu. [...]
ATL-DAQ-PUB-2016-001. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5059.
ATLAS Soft (and some harder) QCD: Selected Results / Jones, Roger (Lancaster U.)
Recent results on soft and hard QCD production are presented. [...]
ATL-PHYS-PROC-2016-031. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5060.
The ATLAS EventIndex: data flow and inclusion of other metadata / ATLAS collaboration - Corresponding author
The ATLAS EventIndex is the catalogue of the event-related metadata for the information collected from the ATLAS detector. [...]
ATL-SOFT-PROC-2016-003. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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5061.
The Design and Performance of the ATLAS Inner Detector Trigger for Run 2 LHC Collisions at $\sqrt{s} = 13$ TeV / Kilby, Callum (Department of Physics, Royal Holloway and Bedford New College) ; ATLAS Collaboration
The design and performance of the ATLAS Inner Detector (ID) trigger algorithms running online on the high level trigger (HLT) processor farm with the LHC Run 2 data with collisions at both 50 ns and 25 ns are discussed. [...]
ATL-DAQ-PROC-2016-004. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text - IOP OA article
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5062.
Studies of $b$-tagging performance and jet substructure in a high $p_\rm{T}$ $g\rightarrow b\bar{b}$ rich sample of large-$R$ jets from $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
This note summarizes studies of $b$-tagging performance and the modelling of jet properties in high $p_{\rm T}$, double $b$-tagged, large-$R$ jets from $\sqrt{s} = 8 TeV$ $pp$ collisions collected by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2016-002. - 2016. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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5063.
Recent highlights from the ATLAS heavy-ion program / Angerami, Aaron (Columbia U.)
These proceedings report on recent measurements performed by with ATLAS Detector at the LHC presented at the Quark Matter 2015 Conference. [...]
ATL-PHYS-PROC-2016-033. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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5064.
High Performance Embedded System for Real-Time Pattern Matching / Sotiropoulou, Calliope Louisa (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Luciano, Pierluigi (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Gkaitatzis, Stamatios (Aristotle University of Thessaloniki) ; Citraro, Saverio (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Giannetti, Paola (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Dell'Orso, Mauro (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
In this paper we present an innovative and high performance embedded system for real-time pattern matching. [...]
ATL-DAQ-PROC-2016-005. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5065.
Search for new phenomena in events with missing transverse momentum and a Higgs boson decaying to two photons in p p collisions at \sqrt{s} = 13 TeV with the ATLAS detector
A search is presented for new phenomena in events with large missing transverse momentum and a Higgs boson decaying to two photons. [...]
ATLAS-CONF-2016-011. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5066.
Search for heavy resonances decaying to a $Z$ boson and a photon in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
This note describes a search for new resonances with mass larger than 250 GeV, decaying to a $Z$ boson and a photon. [...]
ATLAS-CONF-2016-010. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5067.
Search for direct top squark pair production in final states with two leptons in $\sqrt{s} = 13$ TeV pp collisions using 3.2 fb$^{-1}$ of ATLAS data.
The results of a search for the direct pair production of supersymmetric partners of the top quark are reported using 3.2fb$^{-1}$ of integrated luminosity from LHC $pp$ collisions at $\sqrt{s}=13$ TeV collected by the ATLAS detector. [...]
ATLAS-CONF-2016-009. - 2016. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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5068.
Measurement of large radius jet mass reconstruction performance at $\sqrt{s}=8$ TeV using the ATLAS detector
This note presents a measurement of the jet mass scale and jet mass resolution uncertainty for large radius jets using the full $\sqrt{s}=8$ TeV dataset from the ATLAS experiment. [...]
ATLAS-CONF-2016-008. - 2016. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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5069.
Search for top squarks in final states with one isolated lepton, jets, and missing transverse momentum in $\sqrt{s}=13$ TeV $pp$ collisions of ATLAS data
A search for the stop, the supersymmetric partner of the top quark, is conducted in final states with one isolated electron or muon, jets, and missing transverse momentum using the 2015 LHC $pp$ collision data at a centre-of-mass energy of $sqrt{s}=13$ TeV recorded by the ATLAS detector and corresponding to an integrated luminosity of 3.2 fb${}^{-1}$. [...]
ATLAS-CONF-2016-007. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5070.
Search for TeV-scale gravity signatures in high-mass final states with leptons and jets with the ATLAS detector at $\sqrt s$ = 13 TeV
A search for evidence for physics beyond the Standard Model in final states with at least one high transverse momentum charged lepton (electron or muon), and two additional high transverse momentum leptons or jets, is performed using 3.2 ${fb}^{-1}$ of proton-proton collisions recorded by the ATLAS detector at the Large Hadron Collider in 2015 at $\sqrt{s}$ = 13 TeV. [...]
ATLAS-CONF-2016-006. - 2016. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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5071.
ATLAS Transition Radiation Tracker (TRT): Straw tubes for tracking and particle identification at the Large Hadron Collider / Mindur, Bartosz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
The ATLAS Transition Radiation Tracker (TRT) is the outermost of the three inner detector tracking subsystems and consists of ∼300,000 thin-walled drift tubes (“straw tubes”) that are 4 mm in diameter. [...]
ATL-INDET-PROC-2016-001. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5072.
The ATLAS ITk Strip Detector. Status of R&D / Garcia-Argos, Carlos (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
While the LHC at CERN is ramping up luminosity after the discovery of the Higgs Boson in the ATLAS and CMS experiments in 2012, upgrades to the LHC and experiments are planned. [...]
ATL-UPGRADE-PROC-2016-001. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5073.
Measurement of the $t\bar{t}$ production cross-section using $e\mu$ events with $b$-tagged jets in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
This note describes a measurement of the inclusive top quark pair production cross-section ($\sigma_{t\bar{t}}$) with a data sample of 3.2 fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=13$ TeV, collected in 2015 by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2016-005. - 2016. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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5074.
Search for Higgs boson pair production in the $b\bar{b}\gamma\gamma$ final state using pp collision data at $\sqrt{s}=13$ TeV with the ATLAS detector
Searches for both resonant and non-resonant production of pairs of Higgs bosons ($hh$) are performed in the $b\bar{b}\gamma\gamma$ final state using $3.2$ fb$^{-1}$ of proton--proton collision data at $\sqrt{s}=13$ recorded by the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2016-004. - 2016. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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5075.
Measurement of the $t\bar{t}Z$ and $t\bar{t}W$ production cross sections in multilepton final states using 3.2 fb$^{-1}$ of $pp$ collisions at 13 TeV at the LHC
A measurement of the $t\bar{t}Z$ and $t\bar{t}W$ production cross sections in final states with either two same charge muons, or three or four leptons (electrons or muons) is presented. [...]
ATLAS-CONF-2016-003. - 2016. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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5076.
Search for resonances in diphoton events with the ATLAS detector at $\sqrt{s}$ = 13 TeV
Searches for new resonances decaying into two photons in the ATLAS experiment at the LHC are described. [...]
ATLAS-CONF-2016-018. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5077.
Upgrade of the ATLAS Muon Spectrometer for Operation at the HL-LHC / Kortner, Oliver (Max-Planck-Institut fuer Physik)
The High-Luminosity Large Hadron Collider (HL-LHC) will increase the sensitivity of the ATLAS experiment to low-rate high-energy physics processes. [...]
ATL-MUON-PROC-2016-002. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5078.
Performance Studies of Resistive Micromegas Detectors for the Upgrade of the ATLAS Muon Spectrometer / Kuger, Fabian (CERN) ; for the ATLAS Collaboration
With the high luminosity upgrade of the LHC the ATLAS Muon spectrometer will face increased particle rates, requiring an upgrade of the innermost end-cap detectors with a high-rate capable technology. [...]
ATL-UPGRADE-PROC-2016-002. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Elsevier Open Access article
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5079.
FTK: A Hardware Real-Time Track Finder for the ATLAS Trigger System / ATLAS Collaboration
An overview of the ATLAS Fast Tracker processor will be presented, reporting the design of the system, its expected performance, and the current integration status. [...]
ATL-DAQ-PROC-2016-006. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5080.
Searches for new physics with displaced vertex signatures at the ATLAS experiment in LHC Run 1 / Russell, Heather (Washington U., Seattle)
Results from a selection of $\sqrt{s} = 8$ TeV ATLAS searches for new physics with displaced signatures are presented. [...]
ATL-PHYS-PROC-2016-038. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5081.
Upgrade of the ATLAS Tile hadronic calorimeter for high-luminosity LHC run / Spoor, Matthew (School of Physics, University of the Witwatersrand)
The ATLAS Tile Calorimeter (TileCal) will undergo a major replacement of its on- and off-detector electronics for the Long Shutdown 3 that is planned for 2024 and 2025. [...]
ATL-TILECAL-PROC-2016-001. - 2017. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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5082.
SUSY Searches with the ATLAS Experiment / Klimek, Pawel (Northern Illinois U.)
The Standard Model describes the elementary particles and their interactions. [...]
ATL-PHYS-PROC-2016-037. - 2016. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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5083.
Electronics development for the ATLAS liquid argon calorimeter trigger and readout for future LHC running / Hopkins, Walter (University of Oregon)
The upgrade of the LHC will provide 7 times greater instantaneous and total luminosities than assumed in the original design of the ATLAS Liquid Argon (LAr) Calorimeters. [...]
ATL-LARG-PROC-2016-001. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5084.
Exotics Searches at ATLAS / Varnes, Erich (Arizona U.)
A broad range of searches for exotic phenomena has been carried out at the ATLAS experiment at the Large Hadron Collider, using 3.2 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV. [...]
ATL-PHYS-PROC-2016-036. - 2016. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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5085.
Measurement of the ZZ Production Cross Section in pp Collisions at sqrt(s) = 13 TeV with the ATLAS Detector / Richter, Stefan (CERN ; University Coll. London)
The ZZ production cross section in proton--proton collisions at 13~TeV center-of-mass energy is measured using $3.2~\text{fb}^{-1}$ of data recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2016-035. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5086.
Search for pair production of Higgs bosons in the $b\bar{b}b\bar{b}$ final state using proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for Higgs-boson pair production in the $b\bar{b}b\bar{b}$ final state is carried out with 3.2~$fb^{-1}$ of proton-proton collision data collected at $\sqrt{s} = 13$ TeV with the ATLAS detector. [...]
ATLAS-CONF-2016-017. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5087.
Search for ZZ resonances in the $\ell\ell qq$ final state in pp collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
This note reports a search for heavy resonances decaying into a pair of $Z$ bosons, using 3.2 fb$^{-1}$ of proton--proton collision data at a centre-of-mass energy of $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2016-016. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5088.
Search for a CP-odd Higgs boson decaying to Zh in pp collisions at √s = 13 TeV with the ATLAS detector
A search for a heavy, CP-odd Higgs boson, A, decaying into a Z boson and a CP-even Higgs boson, h, with a mass of 125 GeV is performed using the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2016-015. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5089.
Search for heavy particles decaying to pairs of highly-boosted top quarks using lepton-plus-jets events in proton--proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for new heavy particles that decay into top-antitop quark pairs ($t\bar{t}$) is performed using data collected by the ATLAS detector at the Large Hadron Collider from proton-proton collisions at a centre-of-mass energy of $13$\,\TeV{}. [...]
ATLAS-CONF-2016-014. - 2016. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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5090.
Search for production of vector-like top quark pairs and of four top quarks in the lepton-plus-jets final state in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for pair production of vector-like top quarks ($T$) with significant branching ratio to a Higgs boson and a top quark, $T\bar{T} \to Ht$+X, is presented. [...]
ATLAS-CONF-2016-013. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5091.
The flow harmonics measurement with the event plane and multi-particle cumulant methods in Pb+Pb collisions at 2.76 TeV in ATLAS / Burka, Klaudia (Cracow, INP)
The ATLAS results on charged particles flow harmonics in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 2.76 TeV are presented. [...]
ATL-PHYS-PROC-2016-034. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5092.
Search for high-mass resonances decaying into a Z boson pair in the $\ell\ell\nu\nu$ final state in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for high-mass resonances in events with large missing transverse momentum and a Z boson decaying into $e^{+}e^{−}$ or $\mu^{+}\mu^{−}$ is performed using 3.2 $fb^{−1}$ of 13 TeV proton-proton collision data acquired by the ATLAS experiment in the 2015 run of the Large Hadron Collider. [...]
ATLAS-CONF-2016-012. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5093.
Measurement of track reconstruction inefficiencies in the core of jets via pixel dE/dx with the ATLAS experiment using $\sqrt{s}=13$ TeV $\textit{pp}$ collision data
The inefficiency of the ATLAS charged particle reconstruction in the core of jets is studied as a function of the transverse momentum of the jet between 200 GeV and 1600 GeV, using proton-proton data collected by the ATLAS experiment from the LHC in 2015 at a center-of-mass energy of $\sqrt{s}=13$ TeV. [...]
ATL-PHYS-PUB-2016-007. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5094.
Search for Dark Matter in association with a Higgs boson decaying to $b$-quarks in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for dark matter pair production in association with a Higgs boson decaying to a pair of bottom quarks is presented, using 3.2 \ifb\ of $pp$ collisions at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2016-019. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5095.
Multi-threaded software framework development for the ATLAS experiment / ATLAS collaboration
ATLAS's current software framework, Gaudi/Athena, has been very successful for the experiment in LHC Runs 1 and 2 [...]
ATL-SOFT-PROC-2016-005. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5096.
Ring-shaped Calorimetry Information for a Neural EGamma Identification with ATLAS Detector / Da Fonseca Pinto, Joao Victor (Universidade Federal do Rio De Janeiro, COPPE/EE/IF)
This work concerns the identification process of electrons based only on calorimeter information. [...]
ATL-DAQ-PROC-2016-007. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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5097.
Standard Model Higgs results from ATLAS and CMS experiments / Faltova, Jana (Charles U.)
The properties of the Higgs boson particle were measured with the ATLAS and CMS experiments at the LHC at the centre-of-mass energies 7 TeV and 8 TeV. [...]
ATL-PHYS-PROC-2016-040. - 2016. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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5098.
Higgs $\tau $-lepton Yukawa Coupling Measurement and the $\tau $ Embedding Method for Background Estimation / Kowalewska, Anna Bozena (Cracow, INP)
To measure the H->tautau yukawa coupling the full dataset of the LHC Run-1 period recorded by the ATLAS experiment at the LHC during 2011 and 2012 has been analysed. [...]
ATL-PHYS-PROC-2016-039. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5099.
Search for four-top-quark production in final states with one charged lepton and multiple jets using 3.2 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector at the LHC
A search for four-top-quark production, $t\bar{t}t\bar{t}$, is presented based on the proton-proton collision data taken at $\sqrt{s} = 13$ TeV and collected with the ATLAS detector at the Large Hadron Collider during 2015, corresponding to an integrated luminosity of 3.2 fb$^{-1}$. [...]
ATLAS-CONF-2016-020. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5100.
Estimate of the $m_H$ shift due to interference between signal and background processes in the $H \rightarrow \gamma\gamma$ channel, for the $\sqrt{s} = 8$ TeV dataset recorded by ATLAS
In the context of precision measurements of the properties of the Higgs boson, one of the most fundamental parameters is the knowledge of its mass. [...]
ATL-PHYS-PUB-2016-009. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5101.
Discrete Event Modeling and Simulation-Driven Engineering for the ATLAS Data Acquisition Network / Bonaventura, Matias Alejandro (Universidad de Buenos Aires) ; Foguelman, Daniel Jacob (Universidad de Buenos Aires) ; Castro, Rodrigo Daniel (Universidad de Buenos Aires)
We present an iterative and incremental development methodology for simulation models in network engineering projects. [...]
ATL-DAQ-PROC-2016-008. - 2016. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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5102.
Prospective results for vector-boson fusion-mediated Higgs-boson searches in the four lepton final state at the High Luminosity Large Hadron Collider
The High Luminosity Large Hadron Collider is expected to be completed and operational in the second half of 2026, and will necessitate substantial upgrades to the ATLAS inner tracker detector. [...]
ATL-PHYS-PUB-2016-008. - 2016. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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5103.
Search for a high-mass Higgs boson decaying to a pair of W bosons in pp collisions at sqrt(s)=13 TeV with the ATLAS detector
A search for a high-mass Higgs boson H is performed in the H → WW → lνlν and H → WW → lνqq decay channels using pp collision data corresponding to an integrated luminosity of 3.2 fb-1, collected at sqrt(s) = 13 TeV by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2016-021. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5104.
BSM Higgs searches with the ATLAS experiment / Schioppa, Marco (Calabria U.)
The searches for evidence of beyond the Standard Model (BSM) Higgs bosons is a crucial part of the LHC physics program. [...]
ATL-PHYS-PROC-2016-041. - 2016. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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5105.
ATLAS Inner Tracker Performance at the Beginning of the LHC Run 2 / Stanecka, Ewa (Cracow, INP)
The ATLAS experiment performs studies of proton-proton collisions at the Large Hadron Collider (LHC) at CERN. [...]
ATL-INDET-PROC-2016-002. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5106.
MEASUREMENTS OF $Z\gamma$ AND $Z\gamma\gamma$ PRODUCTION IN PP COLLISIONS AT 8 TEV WITH THE ATLAS DETECTOR / Soldatov, Evgeny (Moscow Phys. Eng. Inst.)
The production of Z bosons with one or two isolated high energy photons is studied using pp collisions at 8 TeV. [...]
ATL-PHYS-PROC-2016-044. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5107.
Heavy-ion measurements at ATLAS / Bold, Tomasz (AGH-UST, Cracow)
The ATLAS experiment at the LHC participated in Heavy-ion programme since its beginning. [...]
ATL-PHYS-PROC-2016-043. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5108.
Searches for Supersymmetry and Exotic phenomena with the ATLAS Detector / Benekos, Nektarios (Natl. Tech. U., Athens)
Weak scale supersymmetry is one of the best motivated and studied extensions of the Standard Model and it is explored, together with other new physics scenarios, exploiting the recent increase in the center of mass energy of the proton-proton collisions at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2016-042. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5109.
Dark Matter in ATLAS / Resconi, Silvia (INFN, Milan)
An overview of Dark Matter searches with the ATLAS experiment at the Large Hadron Collider (LHC) is shown. [...]
ATL-PHYS-PROC-2016-048. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5110.
Higgs boson studies with the ATLAS detector at the Large Hadron Collider / Marchiori, Giovanni (Paris U., VI-VII)
In July 2012 a particle with properties consistent with those of a Higgs boson was discovered by the ATLAS and CMS experiments at the LHC. [...]
ATL-PHYS-PROC-2016-047. - 2016.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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5111.
Diphoton searches in ATLAS / Delmastro, Marco (Annecy, LAPP)
Searches for new resonances decaying into two photons in the ATLAS experiment at the LHC are described. [...]
ATL-PHYS-PROC-2016-046. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5112.
Searches for New Physics in Boosted Topologies at ATLAS / Nobe, Takuya (Tokyo U., ICEPP)
The Large Hadron Collider started data taking in proton-proton collisions at a centre-of-mass energy of 13 TeV. [...]
ATL-PHYS-PROC-2016-045. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5113.
``Exotica'' - Speaking up for Minorities / Hryn'ova, Tetiana (Annecy, LAPP)
Exotica review (ATLAS, CMS, LHCb) proceedings for the LHCSki 2016 Conference..
ATL-PHYS-PROC-2016-057. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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5114.
Search for A to Zh(bb) in ATLAS at 13 TeV / Pandini, Carlo Enrico (Paris U., VI-VII)
A search for a heavy, CP-odd Higgs boson $A$ decaying into a Z boson and a CP-even Higgs boson $h$ with a mass of 125 GeV is performed using the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2016-056. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5115.
Searches for new objects decaying to high-pT lepton final states in pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS and CMS detectors / Catmore, James (Oslo U.)
Searches for high mass objects involving final states consisting of pairs of reconstructed leptons, or one reconstructed lepton and a neutrino, are experimentally attractive and theoretically well-motivated. [...]
ATL-PHYS-PROC-2016-055. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5116.
Nonconventional Final-States at 13 TeV / Kopeliansky, Revital (Indiana U.)
A review of the nonconventional final-state searches performed by both ATLAS and CMS experiments is presented. [...]
ATL-PHYS-PROC-2016-054. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5117.
SUSY Searches at ATLAS / Lorenz, Jeanette (Munich U.)
Analyzing 3.2 fb$^{-1}$ of proton--proton collision data at $\sqrt{s} = 13$ TeV, delivered by the LHC and recorded by the ATLAS detector in Run 2, various SUSY searches for gluinos, stops and sbottoms were pursued. [...]
ATL-PHYS-PROC-2016-053. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5118.
Studies of the SM Higgs boson and searches for BSM Higgs bosons with the ATLAS Detector / Leight, William Axel (Carleton U.)
The ATLAS collaboration has searched for the Standard Model Higgs Boson in the first LHC Run-2 data using 3.2 $fb^{-1}$ at 13 TeV. [...]
ATL-PHYS-PROC-2016-052. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5119.
Searches for New Physics with Boosted Objects and Substructure with the ATLAS Detector / Lopez Mateos, David (Harvard U., Phys. Dept.)
The use of substructure in the ATLAS experiment has matured during the Run 1 analysis period into the most powerful new tool for understanding high-pT physics at the LHC. [...]
ATL-PHYS-PROC-2016-051. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5120.
A search for R-parity violating decays of the top squark in four jet final states with the ATLAS detector at $\sqrt{s}=13$ TeV
We present a search for direct production of pairs of stop quarks, each decaying into a b- and an s- quark through R-parity violating couplings. [...]
ATLAS-CONF-2016-022. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5121.
Top Quark Mass Measurements at the LHC / McCarthy, Tom (Munich, Max Planck Inst.)
The top quark mass ($m_{top}$) is a fundamental parameter of the Standard Model of Particle Physics (SM). [...]
arXiv:1612.04994 ; ATL-PHYS-PROC-2016-050. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext
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5122.
Confronting the improvements to track reconstruction algorithms for the ATLAS inner detector with run 2 data from the LHC / Jansky, Roland (Innsbruck U., Inst. Astrophys.)
With the increase in energy of the LHC to $\sqrt{s}=13$~TeV for run 2, events with dense environments become much more abundant. [...]
ATL-PHYS-PROC-2016-049. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5123.
Single Top Physics at ATLAS and CMS / zur Nedden, Martin (Humboldt U., Berlin)
The measurement of single-top production opens up a wide field for tests of the Standard Model (SM) and searches for phenomena beyond as e.g. [...]
ATL-PHYS-PROC-2016-063. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5124.
Searches for New Physics with Bosons at the ATLAS Detector in LHC Run II / Iordanidou, Kalliopi (Nevis Labs, Columbia U.)
An overview of searches for new physics beyond the Standard Model with bosonic signatures with the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2016-062. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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5125.
HIGGS RESULTS FROM ATLAS / Benhar Noccioli, Eleonora (Yale U.)
This document presents the most recent ATLAS results on the searches for additional heavy scalars, which could confirm the existence of an extended Higgs sector. [...]
ATL-PHYS-PROC-2016-061. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5126.
Electroweak diboson production at ATLAS / Solodkov, Alexander (Serpukhov, IHEP ; Kurchatov Inst., Moscow)
This paper is giving an overview of recent ATLAS results on the production cross sections of gauge boson pairs decaying leptonically using data from pp collisions at $\sqrt{s}$ = 13 TeV for $ZZ$ and at $\sqrt{s}$ = 8 TeV for $W^{\pm}Z$ and $W^{\pm}W^{\pm}$ at the LHC at CERN. [...]
ATL-PHYS-PROC-2016-060. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5127.
Studies of tt+cc production with MadGraph5_aMC@NLO and Herwig++ for the ATLAS experiment
Studies of the simulation of ttcc at the LHC, at a centre-of-mass energy of 13 TeV, based on next-to-leading order calculations with MadGraph5_aMC@NLO matched to Herwig++ are presented. [...]
ATL-PHYS-PUB-2016-011. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5128.
Searches for New Physics in Unconventional Signatures at ATLAS / Otono, Hidetoshi (Kyushu U., Fukuoka (main))
Various physics models predict new long-lived particles to be generated at the Large Hadron Collider, which leave unconventional signatures in the detectors. [...]
ATL-PHYS-PROC-2016-059. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5129.
Measurement of four-jet differential cross sections in $\sqrt{s}=8$ TeV proton--proton collisions using the ATLAS detector / Sacerdoti, Sabrina (Buenos Aires U.)
Differential cross sections for the production of at least four jets have been measured in proton--proton collisions at $\sqrt{s} = 8$ TeV at the Large Hadron Collider using the ATLAS detector. [...]
ATL-PHYS-PROC-2016-058. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5130.
Combination of cross-section measurements for associated production of a single top-quark and a W boson at √s = 8 TeV with the ATLAS and CMS experiments
A combination of cross-section measurements for the associated production of a top quark and a W boson in proton-proton collisions at √s = 8 TeV by the ATLAS and CMS experiments is presented. [...]
ATLAS-CONF-2016-023. - 2016. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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5131.
Expected performance for displaced Lepton Jets: ATLAS trigger and reconstruction efficiency in LHC 2015 run.
Several models of physics beyond the Standard Model predict neutral particles that decay to final states consisting of collimated jets of light leptons and hadrons (so-called ``Lepton Jets''). [...]
ATL-PHYS-PUB-2016-010. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5132.
Extended Scalar Searches at 13 TeV in ATLAS and CMS / McCarn, Allison (Michigan U.)
These proceedings document the content of the presentation at the 2016 Moriond Electroweak Conference covering searches for extended scalars in ATLAS and CMS Collaborations. [...]
ATL-PHYS-PROC-2016-065. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5133.
Study of the rare decays of $B^0_s$ and $B^0$ into muon pairs with the ATLAS detector / Palestini, Sandro (CERN)
A study of the decays $B^0_s \rightarrow \mu^+ \mu^-$ and $B^0 \rightarrow \mu^+ \mu^-$ has been performed using data corresponding to an integrated luminosity of 25 fb$^{-1}$ of 7 TeV and 8 TeV proton–proton collisions collected with the ATLAS detector during the LHC Run 1. [...]
ATL-PHYS-PROC-2016-064. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5134.
Review of Higgs results at LHC (ATLAS and CMS results) / Favareto, Andrea (Genoa U. and INFN, Genoa)
The status of Higgs sector studies at the Large Hadron Collider from the ATLAS and CMS experiments is reviewed. [...]
ATL-PHYS-PROC-2016-069. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5135.
Femtoscopy with identified charged pions in proton-lead collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with ATLAS
Bose-Einstein correlations between identified charged pions are measured for $p+\mathrm{Pb}$ collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with the ATLAS detector with a total integrated luminosity of $28~\mathrm{nb}^{-1}$. [...]
ATLAS-CONF-2016-027. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5136.
Measurements of long-range azimuthal anisotropies and associated Fourier coefficients in $pp$ collisions at $\sqrt{s}=5.02$ and 13 TeV and $p$+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with the ATLAS detector
Results are presented from ATLAS measurements of two-particle correlations in $\sqrt{s} = 5.02$ and 13 TeV $pp$ collisions and in $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV $p$+Pb collisions at the LHC. [...]
ATLAS-CONF-2016-026. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5137.
Measurement of high-mass dimuon pairs from ultraperipheral lead-lead collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with the ATLAS detector at the LHC
Exclusive dimuon pairs with invariant mass $M_{\mu\mu} > 10$ GeV have been measured in ultra-peripheral lead-lead collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV, using an integrated luminosity of 515 $\mu \mathrm{b}^{-1}$ taken with the ATLAS detector at the LHC in 2015. [...]
ATLAS-CONF-2016-025. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5138.
Electron efficiency measurements with the ATLAS detector using the 2015 LHC proton-proton collision data
This note summarises the electron efficiency measurements using the 2015 LHC pp collision data at 13 TeV centre-of-mass energy. [...]
ATLAS-CONF-2016-024. - 2016. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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5139.
Searches for diboson resonances at $\sqrt{s}$ = 13 TeV with the ATLAS detector at the LHC / Buscher, Daniel (Fribourg U.)
Searches for new diboson resonances, carried out with 3.2\,fb$^{-1}$ of data taken at $\sqrt{s}$ = 13\,TeV with the ATLAS detector at the LHC, are presented. [...]
ATL-PHYS-PROC-2016-068. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5140.
Timing distribution and Data Flow for the ATLAS Tile Calorimeter Phase II Upgrade / Carrio Argos, Fernando (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The Hadronic Tile Calorimeter (TileCal) detector is one of the several subsystems composing the ATLAS experiment at the Large Hadron Collider (LHC). [...]
ATL-TILECAL-PROC-2016-003. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5141.
QCD Measurements at ATLAS / Hubacek, Zdenek (Prague, Tech. U.)
This paper presents recent QCD related measurements from the ATLAS Experiment at the LHC at CERN. [...]
ATL-PHYS-PROC-2016-067. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5142.
FELIX: The New Approach for Interfacing to Front-end Electronics for the ATLAS Experiment / ATLAS Collaboration
From the ATLAS Phase-I upgrade and onward, new or upgraded detectors and trigger systems will be interfaced to the data acquisition, detector control and timing (TTC) systems by the Front-End Link eXchange (FELIX). [...]
ATL-DAQ-PROC-2016-009. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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5143.
QCD with jets and photons in ATLAS and CMS / Campanelli, Mario (University Coll. London)
proceedings for Moriond QCD
ATL-PHYS-PROC-2016-066. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5144.
A new electronic board to drive the Laser Calibration system of the Atlas Hadron Calorimeter / Gris, Philippe Luc Yves (Laboratoire de Physique Corpusculaire (LPC), Clermont Universite, Universite Blaise Pascal, CNRS/IN2P3, Clermont-Ferrand, France)
The new laser calibration scheme of the ATLAS Tile calorimeter is presented with a focus on a major improvement: a new electronic board used to control the system..
ATL-TILECAL-PROC-2016-002. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5145.
Upgrade of Tile Calorimeter of the ATLAS detector for the High Luminosity LHC. / Valdes Santurio, Eduardo (Stockholm University)
The Tile Calorimeter (TileCal) is the hadronic calorimeter of ATLAS covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2016-005. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5146.
Production measurements of $\psi(2S)$ and $X(3872) \to J/\psi\pi^+\pi^-$ at $\sqrt{s} = 8$ TeV with the ATLAS detector
Differential cross-sections are presented for the prompt and non-prompt production of the hidden-charm states $X(3872)$ and $\psi(2S)$, in the decay mode $J/\psi\pi^+\pi^-$, measured using 11.4 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 8$ TeV taken by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2016-028. - 2016. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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5147.
Measurements of the production of jets in association with a W or Z boson with the ATLAS detector / Sandhoff, Marisa (Wuppertal U.)
The production of jets in association with vector bosons is an important process to study QCD in a multi-scale environment at the LHC. [...]
ATL-PHYS-PROC-2016-073. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5148.
ATLAS Tile calorimeter calibration and monitoring systems / Chomont, Arthur Rene (Clermont-Ferrand U.)
The ATLAS Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of the ATLAS experiment and provides important information for reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. [...]
ATL-TILECAL-PROC-2016-004. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Open Access Article
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5149.
Performance of ATLAS RPC Level-1 muon trigger during the 2015 data taking / Corradi, Massimo (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
RPCs are used in the ATLAS experiment at the LHC for muon trigger in the barrel region, which corresponds to |eta|<1.05. [...]
ATL-MUON-PROC-2016-003. - 2016.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5150.
HEAVY FLAVOR PRODUCTION AND PROPERTIES AT ATLAS AND CMS / Schiavi, Carlo (INFN, Genoa)
Measuring heavy-flavor properties plays an important role in the physics program of the ATLAS and CMS experiments operating at LHC. [...]
ATL-PHYS-PROC-2016-072. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5151.
Measurement of the ridge correlations in $pp$ and $p$+Pb collisions with the ATLAS detector at the LHC / Burka, Klaudia (Cracow, INP)
The ATLAS measurement of azimuthal correlations between particle pairs at large pseudorapidity separation in $pp$ and $p$+Pb collisions are presented. [...]
ATL-PHYS-PROC-2016-071. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5152.
Vector boson and Charmonia measurements in p+Pb collisions with ATLAS at the LHC / Kohler, Markus (Weizmann Inst.)
The production of electroweak bosons ($Z/\gamma$ and $W$) and charmonia is sensitive to the initial-state geometry of heavy-ion collisions and to the parton distribution function with its potential nuclear modification. [...]
ATL-PHYS-PROC-2016-070. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5153.
Measurements of the top quark mass using the ATLAS detector at the LHC / Bender, Michael (Munich U.)
The latest measurements of the top quark mass using the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2016-075. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5154.
Search for new physics using events with $b$-jets and a pair of same charge leptons in 3.2 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
An analysis is presented of events containing jets including at least one $b$-tagged jet, sizable missing transverse momentum, and at least two charged leptons including a pair of the same electric charge, with the scalar sum of the jet and lepton transverse momenta being large. [...]
ATLAS-CONF-2016-032. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5155.
Search for resonances below 1.2 TeV from the mass distribution of $b$-jet pairs in proton-proton collisions at $\sqrt{s}$=13 TeV with the ATLAS detector
Searches for resonances using the dijet invariant mass spectrum with two jets identified as $b$-jets are performed with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2016-031. - 2016. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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5156.
Search for light dijet resonances with the ATLAS detector using a Trigger-Level Analysis in LHC pp collisions at $\sqrt{s}=13$~TeV
Searches for dijet resonances with sub-TeV masses using the ATLAS detector are statistically limited by the bandwidth available to inclusive single-jet triggers. [...]
ATLAS-CONF-2016-030. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5157.
Search for new light resonances decaying to jet pairs and produced in association with a photon in proton-proton collisions at $\sqrt{s}=13$~TeV with the ATLAS detector
This note describes a search for new resonances decaying to pairs of jets in 3.2 fb$^{-1}$ of proton-proton collisions with a centre-of-mass energy of $\sqrt{s}=13$~TeV recorded during 2015 by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2016-029. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5158.
h(125) boson measurements in ATLAS: run-1 legacy and early run-2 results / Venturi, Nicola (Toronto U. ; CERN)
Proceeding of the LHCSki 2016 talk with title: h(125) boson measurements in ATLAS: run-1 legacy and early run-2 results
ATL-PHYS-PROC-2016-074. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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5159.
Optimisation of the ATLAS $b$-tagging performance for the 2016 LHC Run
The performance of the current ATLAS $b$-tagging algorithms has been optimised ahead of the 2016 Run-2 data taking. [...]
ATL-PHYS-PUB-2016-012. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5160.
ATLAS Tile Calorimeter time calibration, monitoring and performance / Davidek, Tomas (Charles U.)
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment at the LHC. [...]
ATL-TILECAL-PROC-2016-007. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5161.
Study of TileCal scintillator irradiation using the minimum bias integrators / Fischer, Cora (Barcelona, IFAE)
The Tile Calorimeter (TileCal) is the central hadronic calorimeter of the ATLAS experiment at the LHC. [...]
ATL-TILECAL-PROC-2016-006. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Open Access Article
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5162.
Rare and semi-rare decays at ATLAS / De Sanctis, Umberto (Sussex U.)
The measurements of the rare $B^0$-mesons decays processes performed by the ATLAS experiment at LHC are reviewed. [...]
ATL-PHYS-PROC-2016-082. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5163.
Searches for squark- and gluino-production in hadronic final states with the ATLAS detector / Besjes, Geert-Jan (DARK Cosmology Ctr.)
Weak-scale supersymmetry is one of the best motivated and studied extensions of the Standard Model. [...]
ATL-PHYS-PROC-2016-081. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5164.
Measurements of ttbar+X using the ATLAS detector / Khanov, Alexander (Oklahoma State U.)
The large centre-of-mass energy available at the proton-proton collider LHC allows for the copious production of top quark pairs in association with other final state particles at high transverse momentum. [...]
ATL-PHYS-PROC-2016-080. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5165.
Measurements of the Total, Elastic, Inelastic and Diffractive Cross Sections with the ATLAS Detector / Trzebinski, Maciej (Cracow, INP)
The main results of the total, elastic and inelastic cross sections measurements performed by the ATLAS ALFA detectors are presented. [...]
ATL-PHYS-PROC-2016-079. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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5166.
Top quark pair property measurements using the ATLAS detector at the LHC / Kareem, Mohammad Jawad (Gottingen U., II. Phys. Inst.)
Precise measurements of the properties of the top quark test the Standard Model (SM) and can be used to constrain new physics models. [...]
ATL-PHYS-PROC-2016-078. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5167.
What do ATLAS and CMS know about h(125) from LHC Run 1? / Buat, Quentin (Simon Fraser U.)
During the first data-taking campaign the ATLAS and CMS detectors collected about 50 fb−1 of proton-proton collisions data delivered by the LHC. [...]
ATL-PHYS-PROC-2016-077. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5168.
Development of ATLAS Liquid Argon Calorimeters readout electronics for HL-LHC / Chen, Kai (Brookhaven National Laboratory (BNL))
The high-luminosity phase of the Large Hadron Collider (LHC) will provide 5-7 times greater instantaneous and total luminosities than assumed in the original design of the ATLAS Liquid Argon (LAr) Calorimeters and their readout system. [...]
ATL-LARG-PROC-2016-002. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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5169.
Measurement of $CP$ violation and mixing in $B_s \rightarrow J/\psi \phi$ in ATLAS / Jakoubek, Tomas (Prague, Inst. Phys.)
Flavour tagged time dependent angular analysis of the $B_s \rightarrow J/\psi\phi$ decay is reported, using 14.3~fb$^{-1}$ of integrated luminosity collected by the ATLAS detector from 8 TeV LHC proton-proton collisions recorded in 2012. [...]
ATL-PHYS-PROC-2016-076. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5170.
A Lossless Network for Data Acquisition / Jereczek, Grzegorz Edmund (CERN) ; Lehmann Miotto, Giovanna (CERN)
The bursty many-to-one communication pattern, typical for data acquisition systems, is particularly demanding for commodity TCP/IP and Ethernet technologies. [...]
ATL-DAQ-PROC-2016-011. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5171.
The development of the Global Feature Extractor for the LHC Run-3 upgrade of L1 Calorimeter trigger system / Begel, Michael (Brookhaven National Laboratory (BNL)) ; Chen, Hucheng (Brookhaven National Laboratory (BNL)) ; Chen, Kai (Brookhaven National Laboratory (BNL)) ; Lanni, Francesco (Brookhaven National Laboratory (BNL)) ; Takai, Helio (Brookhaven National Laboratory (BNL)) ; Tang, Shaochun (Brookhaven National Laboratory (BNL)) ; Wu, Weihao (Brookhaven National Laboratory (BNL)) ; ATLAS Collaboration
The Global Feature Extractor (gFEX) is one of several modules in LHC Run-3 upgrade of Level 1 Calorimeter (L1Calo) trigger system in ATLAS experiment. [...]
ATL-DAQ-PROC-2016-010. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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5172.
Dark Matter searches with Mono-X signatures at the ATLAS experiment / Tolley, Emma (Harvard U. (main))
At the LHC dark matter particles can be produced in association with Standard Model particles coming from initial state radiation. [...]
ATL-PHYS-PROC-2016-090. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5173.
Search for the 125 GeV Higgs Boson at 13 TeV in the diboson decay channels, by the ATLAS collaboration / María Josefina Alconada Verzini (La Plata U.)
The ATLAS collaboration has searched for the Standard Model Higgs Boson in the first run-2 data using 3.2 $fb^{-1}$ at 13 TeV delivered by LHC. [...]
ATL-PHYS-PROC-2016-089. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5174.
ATLAS Future Upgrade / Vankov, Peter (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef) ; ATLAS Collaboration
After the successful operation at the center-of-mass energies of 7 and 8 TeV in 2010 - 2012, the LHC is ramped up and successfully took data at the center-of-mass energies of 13 TeV in 2015. [...]
ATL-UPGRADE-PROC-2016-003. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5175.
Recent results on B-Physics and Quarkonia with the ATLAS detector / Maevskiy, Artem (Moscow State U.)
The paper describes several measurements recently completed by ATLAS: (a) the decay of $\Lambda^0_b$ into $\Lambda^0$ and $\psi(2\text{S})$, observed for the first time and compared to the decay into $\Lambda^0$ and $J/\psi$; (b) the decay of $B^0_c$ into $J/\psi D^+_s$ and $J/\psi D^{*+}_s$, including polarisation measurement for the latter channel; (c) the measurement of the ratio of the $b$-quark fragmentation fractions $f_s/f_d$, which complements a previous measurement of LHCb over a different range of $p_{\text{T}}$ and $y$; (d) $B^+$ mass reconstruction in the decay of $B^+$ to $J/\psi$ and $K^+$ at ATLAS at 13 TeV $pp$ collisions; (e) measurement of the differential non-prompt $J/\psi$ production fraction at 13 TeV..
ATL-PHYS-PROC-2016-088. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5176.
Searches for new physics in high-mass fermionic final states and jets with the ATLAS detector at the LHC / Viazlo, Oleksandr (Lund U.) ; ATLAS Collaboration
Many new physics scenarios beyond the Standard Model predict resonant or non-resonant production of high-transverse momentum fermions or gluons. [...]
ATL-PHYS-PROC-2016-087. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5177.
Measurements of charged-particle distributions at $\sqrt{s}=8$ and $13$ TeV with the ATLAS detector / Lukas, Wolfgang (Innsbruck U.)
Inclusive charged-particle measurements at hadron colliders probe the low-energy non-perturbative region of QCD. [...]
ATL-PHYS-PROC-2016-086. - 2016.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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5178.
Top quark pair production cross section measurements with the ATLAS detector / Hasib, A. (Oklahoma State U.)
Measurements of the inclusive and the differential top quark pair production cross sections in proton-proton collisions at the center of mass energy of 8 and 13 TeV with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2016-085. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5179.
Latest electroweak and Higgs physics results from LHC / Kortner, Sandra (Munich, Max Planck Inst.)
After the discovery of a Higgs boson, it is more important than ever to explore the electroweak sector of the Standard Model together with its mechanism responsible for the generation of weak boson masses. [...]
ATL-PHYS-PROC-2016-084. - 2016. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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5180.
Measurement of jet properties with the ATLAS detector / Beauchemin, Pierre-Hugues (Tufts U.)
The average charge and the multiplicity of charged hadrons within a jet provide new insights into the modeling of strong interactions. [...]
ATL-PHYS-PROC-2016-083. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5181.
The ATLAS Tile Calorimeter, its performance with 13~TeV proton-proton collisions, and its upgrades for the high luminosity LHC / Davidek, Tomas (Charles University in Prague, Faculty of Mathematics and Physics)
The Tile Calorimeter (TileCal) is the central hadronic calorimeter of the ATLAS experiment at the LHC. [...]
ATL-TILECAL-PROC-2016-008. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5182.
Higgs boson : production and decays into bosons / Escalier, Marc (Orsay, LAL)
The results on the Higgs boson with decay channels into bosons from the ATLAS and CMS experiments at LHC Run 1 and early Run 2 are reviewed in the context of the Standard Model. [...]
ATL-PHYS-PROC-2016-091. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5183.
ATLAS Future Framework Requirements Group Report
The Future Frameworks Requirements Group was constituted in Summer 2013 to consider and summarise the framework requirements from trigger and offline for configuring, scheduling and monitoring the data processing software needed by the ATLAS experiment. [...]
ATL-SOFT-PUB-2016-001. - 2016. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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5184.
Design and Construction of Large Size Micromegas Chambers for the ATLAS Upgrade of the Muon Spectrometer / Jeanneau, Fabien (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay)
Large area Micromegas detectors will be employed for the first time in high-energy physics experiments. [...]
ATL-MUON-PROC-2016-004. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5185.
Boosted Object Tagging with Variable-$R$ Jets in the ATLAS Detector
A comprehensive study of the performance of variable-$R$ jets in the reconstruction of highly energetic (boosted) top quarks, Higgs bosons and $W$ bosons is presented. [...]
ATL-PHYS-PUB-2016-013. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5186.
Exploring the Standard Model at the LHC / Vachon, Brigitte (McGill U.)
The ATLAS and CMS collaborations have performed studies of a wide range of Standard Model processes using data collected at the Large Hadron Collider at center-of-mass energies of 7, 8 and 13 TeV. [...]
ATL-PHYS-PROC-2016-093. - 2016. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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5187.
A re-interpretation of $\sqrt{s}=8~$TeV ATLAS results on electroweak supersymmetry production to explore general gauge mediated models
This document determines the constraints placed by the ATLAS experiment on general gauge mediated (GGM) supersymmetric models. [...]
ATLAS-CONF-2016-033. - 2016. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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5188.
Lifetime, Mixing and CPV in ATLAS / Skinner, Malcolm Bruce (Lancaster U.)
The latest results measured by the ATLAS experiment on lifetime, mixing and $CP$ violation in the $B^0$ and $B_s^0$ systems are presented. [...]
ATL-PHYS-PROC-2016-092. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5189.
Measurement of the $t\bar{t}Z$ cross section in the four lepton channel at 13 TeV with ATLAS / Schulte, Alexandra
The measurement of a Z boson together with a top quark pair in the four lepton channel is presented [...]
ATL-PHYS-PROC-2016-096. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - ATLAS note
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5190.
Recent highlights of Electroweak and QCD studies with the ATLAS detector / Baldin, Evgenii (Novosibirsk, IYF ; Novosibirsk State U.)
The ATLAS Collaboration has carried out a set of measurements at centre-of-mass energies of 7, 8 and 13 TeV which provide stringent tests of the Standard Model. [...]
ATL-PHYS-PROC-2016-095. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5191.
Jet mass reconstruction with the ATLAS Detector in early Run 2 data
This note presents the details of the ATLAS jet mass reconstruction for groomed large-radius jets. [...]
ATLAS-CONF-2016-035. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5192.
Discrimination of Light Quark and Gluon Jets in $pp$ collisions at $\sqrt{s} = 8$ TeV with the ATLAS Detector
This note presents a study of the discrimination between jets arising from light flavor quarks and gluons using data from $\sqrt{s} = 8 $TeV proton-proton collisions taken with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2016-034. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5193.
Search for metastable heavy charged particles with large ionization energy loss in pp collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / Favareto, Andrea (Genoa U.)
Many extensions of the Standard Model predict the existence of massive charged long-lived particles, such as R-hadrons. [...]
ATL-PHYS-PROC-2016-094. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5194.
ATLAS Computing Acknowledgements
Document listing the centres providing major contribution to ATLAS computing in terms of CPU resources. [...]
ATL-GEN-PUB-2016-002. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5195.
Studies related to gender and geographic diversity in the ATLAS Collaboration
The ATLAS Collaboration consists of about 5,300 members, with nationalities from 94 countries. [...]
ATL-GEN-PUB-2016-001. - 2016. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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5196.
Combination of results from the ATLAS and CMS experiments on anomalous triple gauge couplings in ZZ production from pp collisions at a centre-of-mass energy of 7 TeV at the LHC
A procedure is presented to combine data from the ATLAS and CMS experiments on $ZZ$ production to obtain constraints on anomalous neutral triple gauge boson couplings. [...]
ATLAS-CONF-2016-036 ; CMS-PAS-SMP-15-001. - 2016. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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5197.
Search for direct top squark pair production in events with a $Z$ boson, $b$-jets and missing transverse momentum in $\sqrt{s}$=13 TeV $pp$ collisions with the ATLAS detector
A search for direct top squark pair production resulting in events with at least three leptons, including a same-flavour opposite-sign pair with invariant mass compatible with that of $Z$ boson, $b$-quark jets and missing transverse momentum is presented. [...]
ATLAS-CONF-2016-038. - 2016. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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5198.
Search for supersymmetry with two same-sign leptons or three leptons using 13.2 fb$^{−1}$ of $\sqrt{s} = 13$ TeV $pp$ collision data collected by the ATLAS detector
This note presents a search for strongly produced supersymmetric particles using signatures involving multiple energetic jets and either two isolated same-sign leptons ($e$ or $\mu$) or at least three isolated leptons. [...]
ATLAS-CONF-2016-037. - 2016. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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5199.
Further studies on simulation of top-quark production for the ATLAS experiment at √s = 13 TeV
This note summarizes recent studies of modern Monte Carlo generator setups for the pair production of top quarks at the LHC. [...]
ATL-PHYS-PUB-2016-016. - 2016. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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5200.
Measurements of $Z\gamma$ and $Z\gamma\gamma$ production in pp collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector / Krasnopevtsev, Dimitriy (Moscow Phys. Eng. Inst.)
The production of Z bosons with one or two isolated high-energy photons is studied using $pp$ collisions at $\sqrt{s}$ = 8 TeV. [...]
ATL-PHYS-PROC-2016-099. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5201.
IBL Efficiency and Single Point Resolution in Collision Events
The following plots show the IBL cluster efficiency and single point resolution measured on a sample of Z -> mu mu selected events. [...]
ATL-INDET-PUB-2016-001. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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5202.
Review Studies for the ATLAS Open Data Dataset
This document presents approval plots from selected analyses using the ATLAS Open Data dataset. [...]
ATL-OREACH-PUB-2016-001. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5203.
Measurement of the underlying-event properties with the ATLAS detector / Kulchitsky, Yuri (Minsk, Inst. Phys.)
A correct modelling of the underlying event in proton-proton collisions is important for the proper simulation of kinematic distributions of high-energy collisions. [...]
arXiv:1608.04954 ; ATL-PHYS-PROC-2016-098. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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5204.
Electron and photon energy calibration with the ATLAS detector using data collected in 2015 at $\sqrt{s} = 13 \mathrm{\ Te\kern -0.1em V}$
This document describes the calibration of the energy of electrons and photons, as implemented by the ATLAS experiment for proton-proton collision data collected in 2015 and the first part of 2016 at $\sqrt{s}=13$ TeV. [...]
ATL-PHYS-PUB-2016-015. - 2016. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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5205.
Photon identification in 2015 ATLAS data
This document summarizes the method to identify isolated photons in the ATLAS experiment, and the techniques to measure the photon identification efficiencies. [...]
ATL-PHYS-PUB-2016-014. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5206.
$b$-hadrons decays at ATLAS / Turchikhin, Semen (Dubna, JINR)
Recent results on $\Lambda^0_b$ baryon and $B_c^+$ meson decay studies from the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2016-097. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5207.
Search for exotic production of top quarks decaying into same-sign leptons at 13 TeV with the ATLAS detector / Berlendis, Simon (Grenoble, CEN)
The signature of same-sign leptons and b-jets is a golden channel in the search for exotic production of top quarks. [...]
ATL-PHYS-PROC-2016-102. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - ATLAS note
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5208.
The Pythia 8 A3 tune description of ATLAS minimum bias and inelastic measurements incorporating the Donnachie-Landshoff diffractive model
We present a new tune of the Pythia8 event generator, titled ``A3'' and suitable for inclusive QCD modelling, including minimum bias physics and pile-up overlay. [...]
ATL-PHYS-PUB-2016-017. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5209.
Search for top squarks in final states with one isolated lepton, jets, and missing transverse momentum in $\sqrt{s}=13$ TeV $pp$ collisions using 3.2 $\mathrm{fb}^{-1}$ of ATLAS data / Kuechler, Jan Thomas (Bergische U., Wuppertal (main))
The results of a search for the stop, the supersymmetric partner of the top quark, in final states with one isolated electron or muon, jets, and missing transverse momentum are reported. [...]
ATL-PHYS-PROC-2016-101. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - ATLASnote
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5210.
Search for Dark Matter in ATLAS In LHC Run-2 / Levin, Daniel (Michigan U.)
The ATLAS searches for Dark Matter (DM) presented at LHCSKI 2016 considered signals with mono-X final states, where X=jets, photons ($\gamma$), Z/W or Higgs. [...]
ATL-PHYS-PROC-2016-100. - 2016. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5211.
Search for the Standard Model Higgs boson produced in association with a vector boson and decaying to a $b\bar{b}$ pair in $pp$ collisions at 13 TeV using the ATLAS detector
A search for the decay of a Standard Model Higgs boson into a $b\bar{b}$ pair when produced in association with a $W$ or $Z$ boson has been performed with the ATLAS detector. [...]
ATLAS-CONF-2016-091. - 2016. - 35 p.
Original Communication (restricted to ATLAS) - Full text
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5212.
Measurement of the $W^+W^-$ production cross section in $pp$ collisions at a centre-of-mass energy of $\sqrt{s}=13$ TeV with the ATLAS experiment
The production of opposite-charge W-boson pairs in proton--proton collisions at $\sqrt s = 13$ TeV is measured using data corresponding to 3.16 fb$^{-1}$ of integrated luminosity collected by the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2016-090. - 2016. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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5213.
Search for charged Higgs bosons in the $H^{\pm}\to tb$ decay channel in $pp$ collisions at $\sqrt{s}=13$ TeV using the ATLAS detector
A search for charged Higgs bosons heavier than the top quark and decaying via $H^{\pm} \to tb$ is presented. [...]
ATLAS-CONF-2016-089. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5214.
Search for charged Higgs bosons in the τ+jets final state using 14.7 fb−1 of pp collision data recorded at s√=13 TeV with the ATLAS experiment
The experimental observation of charged Higgs bosons, H±, which are predicted by several models with an extended Higgs sector, would indicate physics beyond the Standard Model. [...]
ATLAS-CONF-2016-088. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5215.
Search for new phenomena in events with missing transverse momentum and a Higgs boson decaying to two photons in pp collisions at s√=13 TeV with the ATLAS detector
A search for new phenomena in events with large missing transverse momentum and a Higgs boson decaying to two photons is presented. [...]
ATLAS-CONF-2016-087. - 2016. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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5216.
Search for Dark Matter production associated with bottom quarks with 13.3 fb−1 of pp collisions at √s = 13 TeV with the ATLAS detector at the LHC
The result of a search for dark matter pair production in association with bottom quarks in 13.3 $fb^{-1}$ of $pp$ collisions collected at $\sqrt{s} = 13$ TeV by the ATLAS detector at the LHC is reported. [...]
ATLAS-CONF-2016-086. - 2016. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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5217.
Search for Minimal Supersymmetric Standard Model Higgs Bosons $H/A$ in the $\tau\tau$ final state in up to 13.3 fb$^{−1}$ of pp collisions at $\sqrt{s}$= 13 TeV with the ATLAS Detector
A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) is performed using a data sample corresponding to an integrated luminosity of up to 13.3 fb$^{-1}$ from proton--proton collisions at $\sqrt{s} = 13$ TeV recorded by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2016-085. - 2016. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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5218.
A search for pair produced resonances in four jets final states in proton-proton collisions at $\sqrt{s}$=13 TeV with the ATLAS experiment
We present a search for the pair production of resonances, each decaying into two jets. [...]
ATLAS-CONF-2016-084. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5219.
A Search for Resonances Decaying to a $W$ or $Z$ Boson and a Higgs Boson in the $q\bar{q}^{(\prime)}b\bar{b}$ Final State
A search for resonances decaying to a $W$ or $Z$ boson and a Higgs boson in the $q\bar{q}^{(\prime)}b\bar{b}$ final state is described. [...]
ATLAS-CONF-2016-083. - 2016. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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5220.
Searches for heavy ZZ and ZW resonances in the llqq and vvqq final states in pp collisions at sqrt(s) = 13 TeV with the ATLAS detector
This note reports searches for heavy resonances decaying into a Z Z or ZW pair using proton-proton collision data at a centre-of-mass energy of sqrt(s) = 13 GeV. [...]
ATLAS-CONF-2016-082. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5221.
Combined measurements of the Higgs boson production and decay rates in $H\to ZZ^*\to 4\ell$ and $H\to\gamma\gamma$ final states using $pp$ collision data at $\sqrt{s}=$ 13 TeV in the ATLAS experiment
This note presents combined measurements based on Higgs boson production cross sections and branching ratios using more than 13.3 fb$^{-1}$ of proton-proton collision data recorded by the ATLAS experiment at the LHC at $\sqrt{s}=$ 13 TeV. [...]
ATLAS-CONF-2016-081. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5222.
Search for the Standard Model Higgs boson produced in association with top quarks and decaying into $b\overline{b}$ in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
This preliminary result has been removed because a problem was found in the $t\bar{t}H, H\rightarrow b\bar{b}$ 2-lepton channel..
ATLAS-CONF-2016-080. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5223.
Study of the Higgs boson properties and search for high-mass scalar resonances in the $H \rightarrow ZZ^* \rightarrow 4\ell$ decay channel at $\sqrt{s}$ = 13 TeV with the ATLAS detector
The properties of the Higgs boson decaying to four leptons are studied using 14.8 fb$^{−1}$ of integrated luminosity collected in $pp$ collisions by the ATLAS detector at the LHC at a centre-of-mass energy of 13 TeV. [...]
ATLAS-CONF-2016-079. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5224.
Further searches for squarks and gluinos in final states with jets and missing transverse momentum at $\sqrt{s}$ =13 TeV with the ATLAS detector
Two selection strategies to search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing hadronic jets, missing transverse momentum but no electrons or muons are presented. [...]
ATLAS-CONF-2016-078. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5225.
Search for the Supersymmetric Partner of the Top Quark in the Jets+Emiss Final State at sqrt(s) = 13 TeV
A search for direct pair production of a scalar partner to the top quark in events with four or more jets plus missing transverse momentum is presented. [...]
ATLAS-CONF-2016-077. - 2016. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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5226.
Search for direct top squark pair production and dark matter production in final states with two leptons in $\sqrt{s} = 13$ TeV $pp$ collisions using 13.3 fb$^{-1}$ of ATLAS data
The results of a search for new phenomena in events with two leptons (electrons or muons) are reported, using 13.3 fb$^{-1}$ of integrated luminosity from LHC $pp$ collisions at $\sqrt{s}=13$ TeV collected by the ATLAS detector. [...]
ATLAS-CONF-2016-076. - 2016. - 37 p.
Original Communication (restricted to ATLAS) - Full text
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5227.
Search for supersymmetry in events with four or more leptons in $\sqrt{s}=13\,{\rm TeV}$ pp collisions using $13.3\,{\rm fb}^{−1}$ of ATLAS data.
Results from a search for supersymmetry in events with four or more leptons including electrons and muons are presented [...]
ATLAS-CONF-2016-075. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5228.
Search for a high-mass Higgs boson decaying to a pair of $W$ bosons in $pp$ collisions at $\sqrt{s}$=13 TeV with the ATLAS detector
A search for a high-mass Higgs boson is performed in the $H\to WW\to\ell\nu\ell\nu$ decay channel using $pp$ collision data corresponding to an integrated luminosity of 13.2 fb$^{-1}$, collected at a centre-of-mass energy of 13 TeV by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2016-074. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5229.
Search for heavy Higgs bosons A/H decaying to a top-quark pair in pp collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
A search for a pseudoscalar (A) or scalar (H) heavy Higgs boson decaying into a top-quark pair ($t\bar{t}$) has been conducted in 20.3 fb$^{−1}$ of data collected by the ATLAS detector at the Large Hadron Collider in proton--proton collisions at a centre-of-mass energy of $\sqrt{s}=8$ TeV. [...]
ATLAS-CONF-2016-073. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5230.
Search for single production of vector-like quarks decaying into $Wb$ in $pp$ collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector
A search for singly-produced vector-like quarks $Q$, where $Q$ can be either a $T$ quark with charge $2/3$ or a $Y$ quark with charge $4/3$, is performed in 3.2 $fb^{-1}$ of proton--proton collision data at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2016-072. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5231.
Search for Higgs boson pair production in the final state of $\gamma\gamma WW^*$($\rightarrow l\nu jj$) using 13.3 fb$^{-1}$ of $pp$ collision data recorded at $\sqrt{s}= $ 13 TeV with the ATLAS detector
Searches for resonant and non-resonant Higgs boson pair production are performed in the final state of $\gamma\gamma WW^*$($\rightarrow l\nu jj$) using 13.3 fb$^{-1}$ of proton-proton collision data recorded at $\sqrt{s}=$ 13 TeV by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2016-071. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5232.
Search for new light resonances decaying to jet pairs and produced in association with a photon or a jet in proton-proton collisions at $\sqrt{s}=13$~TeV with the ATLAS detector
This note describes a search for new resonances decaying to pairs of jets in 15.5 fb$^{-1}$ of proton-proton collisions with a centre-of-mass energy of $\sqrt{s}=13$~TeV recorded during 2015 and 2016 by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2016-070. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5233.
Search for New Phenomena in Dijet Events with the ATLAS Detector at $\sqrt{s}$=13 TeV with 2015 and 2016 data
This note discusses a search for new physics in events with a pair of jets (dijets) produced in proton-proton collisions in the LHC at a centre-of-mass energy of $\sqrt{s}=13$ TeV. [...]
ATLAS-CONF-2016-069. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5234.
Combination of the searches for Higgs boson production in association with top quarks in the $\gamma\gamma$, multilepton, and $b\bar{b}$ decay channels at $\sqrt{s}$=13 TeV with the ATLAS Detector
This preliminary result has been removed because a problem was found in the $t\bar{t}H, H\rightarrow b\bar{b}$ 2-lepton channel..
ATLAS-CONF-2016-068. - 2016. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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5235.
Measurement of fiducial, differential and production cross sections in the $H\to\gamma\gamma$ decay channel with 13.3 fb$^{-1}$ of 13 TeV proton-proton collision data with the ATLAS detector
This note presents preliminary measurements of the Higgs boson properties measured in the $H\to\gamma\gamma$ decay channel using 13.3 fb$^{-1}$ of proton-proton collision data taken at $\sqrt{s}=$ 13 TeV by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2016-067. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5236.
Search for Supersymmetry in events with photons, jets and missing transverse energy with the ATLAS detector in 13 TeV pp collisions
This note presents a search for the experimental signature of isolated photons, jets and high missing transverse momentum in excess of the Standard Model expectation in proton-proton collisions at a center-of-mass energy of 13 TeV. [...]
ATLAS-CONF-2016-066. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5237.
Measurement of the cross-section of the production of a $W$ boson in association with a single top quark with ATLAS at $\sqrt{s}=13\,\mathrm{TeV}$
The inclusive production cross-section for the associated production of a $W$ boson and top quark is measured using data from proton--proton collisions at $\sqrt{s}={13}\,\text{TeV}$. [...]
ATLAS-CONF-2016-065. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5238.
Top-quark mass measurement in the all-hadronic top-antitop quark decay channel at sqrt(s) = 8 TeV with the ATLAS detector
The top-quark mass is measured in the all-hadronic top-antitop quark decay channel using proton--proton collisions at a centre-of-mass energy of sqrt(s )= 8 TeV with the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2016-064. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5239.
Search for Higgs boson production via weak boson fusion and decaying to $b \bar b$ in association with a high-energy photon in the ATLAS detector
A search has been conducted for the $b\bar b$ decay of the Standard Model Higgs boson produced through vector boson fusion in association with a photon and two jets. [...]
ATLAS-CONF-2016-063. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5240.
Search for diboson resonance production in the $\ell\nu qq$ final state using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector at the LHC
A search is presented for new resonances decaying to $WW$ or $WZ$ final states, where one $W$ boson decays leptonically (to an electron or a muon plus a neutrino) and the other $W/Z$ boson decays hadronically. [...]
ATLAS-CONF-2016-062. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5241.
Search for new resonances decaying to a charged lepton and a neutrino in pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
In this note a search for $W^\prime$ bosons decaying to a charged lepton (electron or muon) and a neutrino is presented. [...]
ATLAS-CONF-2016-061. - 2016. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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5242.
Search for resonances in the mass distribution of jet pairs with one or two jets identified as $b$-jets with the ATLAS detector with 2015 and 2016 data
Searches for resonances in the dijet invariant mass spectrum with one or two jets identified as $b$-jets are presented. [...]
ATLAS-CONF-2016-060. - 2016. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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5243.
Search for scalar diphoton resonances with 15.4~fb$^{-1}$ of data collected at $\sqrt{s}$=13 TeV in 2015 and 2016 with the ATLAS detector
A search for new spin-0 resonances decaying into two photons in the ATLAS experiment at the LHC is described. [...]
ATLAS-CONF-2016-059. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5244.
Search for the Associated Production of a Higgs Boson and a Top Quark Pair in Multilepton Final States with the ATLAS Detector
The Yukawa coupling of the Higgs boson to the top quark is a key parameter of the Standard Model, and can be constrained using the associated production process $pp \to t\bar t H + X$. [...]
ATLAS-CONF-2016-058. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5245.
Search for massive supersymmetric particles in multi-jet final states produced in pp collisions at $\sqrt{s}~=$~13 TeV using the ATLAS detector at the LHC
Results of a search for supersymmetric gluino pair productions with subsequent $R$-parity-violating decays to quarks are presented. [...]
ATLAS-CONF-2016-057. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5246.
Search for new phenomena in the $Z(\rightarrow\ell\ell) + E_{\mathrm{T}}^{\mathrm{miss}}$ final state at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A study of the $\ell\ell+E^{\mathrm{miss}}_{\mathrm{T}}$ ($\ell=\; e,\;\mu$) final state is performed using 13.3 fb$^{-1}$ of 13 TeV proton-proton collision data collected by the ATLAS experiment. [...]
ATLAS-CONF-2016-056. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5247.
Search for resonances with boson-tagged jets in 15.5 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV collected with the ATLAS detector
Resonances with masses in the range 1.2<$m_{VV}$<3.5 TeV decaying into WW, WZ, or ZZ boson pairs reconstructed as boosted-boson jets, are searched for in 15.5fb$^{−1}$ of proton-proton collision data at a centre-of-mass energy of $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the Large Hadron Collider in 2015 and 2016. [...]
ATLAS-CONF-2016-055. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5248.
Search for squarks and gluinos in events with an isolated lepton, jets and missing transverse momentum at $\sqrt{s}$ = 13 TeV with the ATLAS detector
The results of a search for squarks and gluinos in final states with an isolated electron or muon, multiple jets and large missing transverse momentum using proton--proton collision data at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV are presented. [...]
ATLAS-CONF-2016-054. - 2016. - 33 p.
Original Communication (restricted to ATLAS) - Full text
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5249.
Search for heavy neutral resonances in vector boson fusion in pp collisions at sqrt(s)=13 TeV with the ATLAS detector at the Large Hadron Collider
This note presents a search for new heavy neutral resonances (R) produced through vector boson fusion process $qq \rightarrow Rqq \rightarrow \ell^+ \nu \ell^- \bar \nu qq$ ($\ell=e, \mu$) using 3.2 fb$^{−1}$ of data at $\sqrt{s}=13$ TeV recorded by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2016-053. - 2016. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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5250.
Search for pair production of gluinos decaying via top or bottom squarks in events with $b$-jets and large missing transverse momentum in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for Supersymmetry involving the pair production of gluinos decaying via third-generation squarks to the lightest neutralino ($\displaystyle\tilde\chi^0_1$) is reported. [...]
ATLAS-CONF-2016-052. - 2016. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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5251.
Search for doubly-charged Higgs bosons in same-charge electron pair final states using proton-proton collisions at $\sqrt{s}=13\,\mathrm{TeV}$ with the ATLAS detector
A search for doubly-charged Higgs bosons decaying to pairs of same-charge, isolated, high-pT electrons is presented. [...]
ATLAS-CONF-2016-051. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5252.
Search for top squarks in final states with one isolated lepton, jets, and missing transverse momentum in $\sqrt{s}$ = 13 TeV pp collisions with the ATLAS detector
The results of a search for the stop, the supersymmetric partner of the top quark, in final states with one isolated electron or muon, jets, and missing transverse momentum are reported. [...]
ATLAS-CONF-2016-050. - 2016. - 37 p.
Original Communication (restricted to ATLAS) - Full text
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5253.
Search for pair production of Higgs bosons in the $b\bar{b}b\bar{b}$ final state using proton$-$proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for Higgs-boson pair production in the $b\bar{b}b\bar{b}$ final state is carried out with 13.3 fb$^{-1}$ of LHC proton-proton collision data collected at $\sqrt{s} = 13$ TeV with the ATLAS detector in 2015 and 2016. [...]
ATLAS-CONF-2016-049. - 2016. - 32 p.
Original Communication (restricted to ATLAS) - Full text
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5254.
Search for top-squark pair production in final states with two tau leptons, jets, and missing transverse momentum in $\sqrt{s}=13$ TeV pp-collisions with the ATLAS detector
A search for direct top-squark pair production in final states with two tau leptons, jets, and missing transverse momentum is presented. [...]
ATLAS-CONF-2016-048. - 2016. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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5255.
Measurement of the prompt J/$\psi$ pair production cross-section in pp collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector
The production of two prompt J/$\psi$ mesons with transverse momenta $p_{\mathrm{T}}>8.5$~GeV and rapidity $|y| < 2.1$ is studied using a sample of proton-proton collisions at $\sqrt{s} = 8$~TeV, corresponding to an integrated luminosity of 11.4 fb$^{-1}$ collected in 2012 with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2016-047. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5256.
Measurements of the Production Cross Section of a $Z$ Boson in Association with Jets in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS Detector
Measurements of the cross section for the production of a Z boson boson in association with jets in proton-proton collisions at $\sqrt{s}$ = 13 TeV are presented, using data corresponding to an integrated luminosity of 3.16 fb$^{-1}$ collected by the ATLAS experiment at the CERN Large Hadron Collider in 2015. [...]
ATLAS-CONF-2016-046. - 2016. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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5257.
Search for new high-mass resonances in the dilepton final state using proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search is conducted for resonant high-mass new phenomena in dielectron and dimuon final states. [...]
ATLAS-CONF-2016-045. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5258.
Search for new resonances decaying to a $Z$ boson and a photon in 13.3 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=13$~TeV with the ATLAS detector
This note presents a search for new resonances decaying to a $Z$ boson and a photon. [...]
ATLAS-CONF-2016-044. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5259.
Measurement of $W^{\pm}Z$ boson pair-production in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS Detector and confidence intervals for anomalous triple gauge boson couplings
A measurement of the $W^{\pm}Z$ production cross section, in proton-proton collisions at a centre-of-mass energy of 13 TeV at the Large Hadron Collider, is presented. [...]
ATLAS-CONF-2016-043. - 2016. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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5260.
Search for long-lived neutral particles decaying into displaced lepton jets in proton--proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
This note presents the results of a search for long-lived neutral particles decaying into collimated jets of light leptons and mesons, so-called "lepton-jets", using a sample of 3.4$~$fb$^{-1}$ of proton-proton collisions data at a centre-of-mass energy of $\sqrt{s}=~$13$~$TeV collected during 2015 with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2016-042. - 2016. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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5261.
Search for Higgs bosons decaying into di-muon in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for Higgs bosons decaying into di-muon has been performed using data corresponding to an integrated luminosity of 13.2 $\text{fb}^{-1}$ collected with the ATLAS detector in $pp$ collisions at $\sqrt{s}=$13 TeV at the Large Hadron Collider. [...]
ATLAS-CONF-2016-041. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5262.
Measurements of top-quark pair differential cross-sections in the lepton+jets channel in pp collisions at $\sqrt{s}=13$ TeV using the ATLAS detector
Measurements of differential cross-sections of top-quark pair production are presented as a~function of the top-quark and $t\bar{t}$ system kinematic observables in proton--proton collisions at a~centre-of-mass energy of $\sqrt{s}=13\,{\rm TeV}$. [...]
ATLAS-CONF-2016-040. - 2016. - 43 p.
Original Communication (restricted to ATLAS) - Full text
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5263.
Boosted Higgs ($\rightarrow b\bar{b}$) Boson Identification with the ATLAS Detector at $\sqrt{s} = 13$ TeV
This document summarises the baseline boosted Higgs boson identification strategy for Run 2 data collected by the ATLAS detector at a centre-of-mass energy of $\sqrt{s} = 13$ TeV, as updated for the analysis of the 2015 and 2016 data. [...]
ATLAS-CONF-2016-039. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5264.
Measurement of inclusive-jet cross-sections in proton-proton collisions at $\sqrt{s} = 13~\mathrm{TeV}$ centre-of-mass energy with the ATLAS detector
This note presents the measurement of inclusive-jet cross-sections in proton-proton collisions at a centre-of-mass energy of $13~\mathrm{TeV}$. [...]
ATLAS-CONF-2016-092. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5265.
Flavour tagging algorithms and performance at the ATLAS experiment / Calandri, Alessandro (Marseille, CPPM)
The identification of jets containing $b$-hadrons ($b$-tagging) is a fundamental ingredient in the physics program of the ATLAS experiment. [...]
ATL-PHYS-PROC-2016-105. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5266.
Expected sensitivity of ATLAS to FCNC top quark decays $t \rightarrow Zu$ and $t \rightarrow Hq$ at the High Luminosity LHC
The expected sensitivity of the upgraded ATLAS experiment at HL-LHC to the flavour changing neutral current (FCNC) top quark decays $t \rightarrow Zu$ and $t \rightarrow Hq$ is estimated for an integrated luminosity of $3000\;\mathrm{fb}^{-1}$ at a centre-of-mass energy of 14 TeV. [...]
ATL-PHYS-PUB-2016-019. - 2016. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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5267.
Measurement prospects for VBF $H{\rightarrow\,}WW^{(\ast)}{\rightarrow\,}e\nu\mu\nu$ production with 3 $\textrm{ab}^{-1}$ of HL-LHC $pp$-collisions
This note presents the prospects for the ATLAS experiment to observe and measure Vector Boson Fusion (VBF) Higgs-boson production, with the Higgs boson decaying into two $W$ bosons in the High Luminosity LHC environment. [...]
ATL-PHYS-PUB-2016-018. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5268.
The upgraded Pixel detector and the commissioning of the Inner Detector tracking of the ATLAS experiment for Run-2 at the Large Hadron Collider / Potamianos, Karolos (LBL, Berkeley)
Run-2 of the Large Hadron Collider (LHC) will provide new challenges to track and vertex reconstruction with higher energies, denser jets and higher rates. [...]
ATL-PHYS-PROC-2016-104 ; arXiv:1608.07850. - 2016. - 15 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Preprint
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5269.
Recent electroweak results from ATLAS / Schmitz, Simon (Mainz U., Inst. Phys.)
Recent measurements and searches in the electroweak sector of the Standard Model by the ATLAS experiment at the LHC are reported. [...]
ATL-PHYS-PROC-2016-103. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5270.
Measurements of $W$/$Z$ vector bosons with associated jet production and ratios of cross sections with ATLAS / Owen, Rhys Edward (Birmingham U. ; Rutherford)
Measurement results for vector boson with associated jet production cross sections and cross section ratios are presented, including results from both 7 and 13 TeV centre of mass energies. [...]
ATL-PHYS-PROC-2016-116. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5271.
Searches for diboson resonances with ATLAS (VV, VH, HH, excl. diphoton resonance) / Gregersen, Kristian (U. Coll. London)
This document summarises ATLAS searches for resonances decaying to diboson final states, VV , VH and HH, where V is either a W or a Z boson and H is the Standard Model Higgs boson. [...]
ATL-PHYS-PROC-2016-115. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text - ATLAS note
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5272.
Results from ATLAS and CMS: Strong Interactions and New Physics / Bethke, Siegfried (Munich, Max Planck Inst.)
Measurements on global properties and precision results on fundamental parameters related to the Strong Interaction sector of the Standard Model of particle physics, and searches for new phenomena beyond the Standard Model, performed by the two large multi-purpose particle detectors at the Large Hadron Collider (LHC), are summarised in this review. [...]
ATL-PHYS-PROC-2016-114. - 2016. - 20 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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5273.
Measurements of Particle Production, Underlying Event and Double Parton Interactions at the LHC / Kuechler, Jan Thomas (Wuppertal U.)
The effects of soft, non-pertubative strong interactions (QCD) are an important part of the phenomenology of the events at hadron colliders, as the LHC. [...]
ATL-PHYS-PROC-2016-113. - 2016. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5274.
Searches for dark matter production with ATLAS (MET+X) / Poettgen, Ruth (Stockholm U.)
Dark Matter constitutes more than 80% of the matter in the universe but cannot be accommodated within the Standard Model of particle physics. [...]
ATL-PHYS-PROC-2016-112. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5275.
Mixing and CPV in the B$_d$ and B$_s$ systems at ATLAS / Bouhova-Thacker, Evelina Vassileva (Lancaster U.)
The most recent results on mixing and $CP$ violation in the $B^0$ and $B_s^0$ systems, published by the ATLAS experiment at the LHC, are presented. [...]
ATL-PHYS-PROC-2016-111. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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5276.
Rare and semi-rare decays at ATLAS / De Sanctis, Umberto (Sussex U.)
The measurements of the rare $B^0$-meson-decay processes performed by the ATLAS experiment at the LHC are reviewed. [...]
ATL-PHYS-PROC-2016-110. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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5277.
Physics performances with the new ATLAS Level-1 Topological trigger in Run 2 / Artz, Sebastian (Institut fuer Physik, Universitaet Mainz)
The ATLAS trigger system aims at reducing the 40 MHz proton-proton collision event rate to a manageable event storage rate of 1 kHz, preserving events valuable for physics analysis. [...]
ATL-DAQ-PROC-2016-012. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - PoS Open Access article
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5278.
ATLAS measurement of Electroweak Vector Boson production / Vittori, Camilla (Bologna U)
The measurements of the Drell-Yan production of W and Z/γ⁎ bosons at the LHC provide a benchmark of our understanding of the perturbative QCD and probe the proton structure in a unique way. [...]
ATL-PHYS-PROC-2016-109. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5279.
ATLAS/CMS Upgrades / Horii, Yasuyuki (Nagoya U. (main))
Precision studies of the Standard Model (SM) and the searches of the physics beyond the SM are ongoing at the ATLAS and CMS experiments at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2016-108. - 2016. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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5280.
Production of exotic and conventional quarkonia and open beauty/open charm at ATLAS / C. Bini (INFN, Rome)
The ATLAS experiment at LHC is carrying on a wide programme to study the production properties of conventional and exotic quarkonium, beauty, and charm bound states. [...]
ATL-PHYS-PROC-2016-107. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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5281.
Search for the Standard Model Higgs boson decaying into $b\bar b$ produced in association with hadronically decaying top quarks in pp collisions at $\sqrt{s}=8$ TeV with the ATLAS detector / Bruscino, Nello (Bonn U.)
A search for Higgs boson production in association with a pair of top quarks ($t\bar{t}H$) is presented, where the Higgs boson decays to $b\bar b$, and both top quarks decay hadronically. [...]
ATL-PHYS-PROC-2016-106. - 2016.
Original Communication (restricted to ATLAS) - Full text - ATLAS note
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5282.
Search for Neutral Minimal Supersymmetric Standard Model Higgs bosons H/A $\to\tau\tau$ produced in \emph{pp} collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / Alvarez Piqueras, Damian (Valencia U., IFIC)
This analysis corresponds to the search of a heavy neutral Higgs boson of the Minimal Supersymmetric extension of the Standard Model (MSSM) decaying to a pair of tau leptons using proton-proton collisions at $\sqrt{s} = 13$ TeV corresponding to an integrated luminosity of 3.2 fb$^{-1}$ recorded by the ATLAS detector for the Run II of the LHC. [...]
ATL-PHYS-PROC-2016-133. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - ATLAS note
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5283.
Production of quarkonium and heavy flavour in ATLAS / Sioli, Maximiliano (INFN, Bologna and Bologna U.)
ATLAS has a wide program to study the production properties of conventional and exotic quarkonium, beauty, and charm bound states. [...]
ATL-PHYS-PROC-2016-132. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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5284.
Study of the long-range azimuthal correlations in $pp$ and $p$+Pb collisions with the ATLAS detector at the LHC / Wozniak, Krzysztof (Cracow, INP)
ATLAS measurements of azimuthal correlations between particle pairs at large pseudorapidity separation in pp and p+Pb collisions are presented. [...]
ATL-PHYS-PROC-2016-131. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5285.
Third generation SUSY searches in ATLAS / Schaeffer, Jan (Mainz U.)
Supersymmetry (SUSY) is one of the most popular and promising extensions to the Standard Model (SM) of particle physics. [...]
ATL-PHYS-PROC-2016-130. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text - ATLAS note
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5286.
Reconstruction and identification of hadronically decaying tau leptons with the ATLAS experiment / Ohman, Henrik (Uppsala U.)
Tau leptons are important to many physical processes in high-energy physics. [...]
ATL-PHYS-PROC-2016-129. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - PoS article
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5287.
A search for supersymmetry in the Z+jets+ETmiss final state with ATLAS / Ripellino, Giulia (Royal Inst. Tech., Stockholm)
A search for supersymmetric particles in final states characterized by a leptonically decaying Z boson, missing transverse momentum and jets is presented. [...]
ATL-PHYS-PROC-2016-128. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - ATLAS note - PoS server
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5288.
Mixing and CP violation in the Bd and Bs systems at ATLAS / Barton, Adam Edward (Lancaster U.)
This note includes a measurement of the $B^0_s$ decay parameters in the $ B_s \rightarrow J/\psi$ channel and a measurement of the $B_d$ meson using the statistics collected by the ATLAS experiment in Run I of the LHC. [...]
ATL-PHYS-PROC-2016-127. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5289.
Search for supersymmetry with two and three leptons and missing transverse momentum in the final state at \sqrt{s}=13 TeV with the ATLAS detector
This note reports on the searches for direct production of opposite-sign pair of the lightest charginos ($\tilde{\chi_{1}^{+}}\tilde{\chi_{1}^{-}}$) and the pair production of the lightest chargino with the next-to-the-lightest neutralino ($\tilde{\chi_{1}^{\pm}}\tilde{\chi_{2}^{0}}$) using 13.3 fb$^{-1}$ of integrated luminosity from LHC $pp$ collisions at $\sqrt{s}=13$ TeV collected by the ATLAS detector. [...]
ATLAS-CONF-2016-096. - 2016. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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5290.
Pursuit of new phenomena in final states with high jet multiplicity, high jet masses and missing transverse momentum with ATLAS at $\sqrt{s} = 13$ TeV
Results are reported of a search for new phenomena --- such as supersymmetric particle production --- that could be observed in high-energy proton-proton collisions. [...]
ATLAS-CONF-2016-095. - 2016. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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5291.
Study of the di-lepton final state with missing transverse momentum with the ATLAS detector / Basalaev, Artem (St. Petersburg, INP)
Common analysis techniques are reviewed for di-lepton searches with large missing transverse momentum in proton-proton collisions in ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2016-126. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - ATLAS note
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5292.
Upgrade of the ATLAS hadronic Tile calorimeter for the High luminosity LHC / Harkusha, Siarhei (Institute of Physics, National Academy of Sciences) ; ATLAS Tile Collaboration
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS detector at the LHC. [...]
ATL-TILECAL-PROC-2016-009. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5293.
Measurements of underlying-event properties with the ATLAS detector / Milstead, David (Stockholm U.)
A correct modelling of the underlying event in proton-proton collisions is important for the proper simulation of kinematic distributions of high-energy collisions. [...]
ATL-PHYS-PROC-2016-125. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
5294.
Top pair production measurements at ATLAS. / Fabbri, Federica (INFN, Bologna ; Bologna U.)
Measurements of the inclusive and differential top-quark pair cross sections in proton-proton collisions at both 8 TeV and 13 TeV with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2016-124. - 2017. - 5 p.
Original Communication (restricted to ATLAS)
  Detailed record Copy itemCopy item
5295.
Precision studies of Drell-Yan transverse momentum distributions and the polarisation angular coefficients in Z-boson decays with the ATLAS detector / Ezhilov, Alexey (St. Petersburg, INP) ; Fedin, Oleg (St. Petersburg, INP)
The ATLAS collaboration has performed precision measurements sensitive to the transverse mo- mentum of the Z/γ∗ bosons, both directly through the transverse momentum of the dilepton pair and through the angular decorrelation as measured in the φ∗ observable. [...]
ATL-PHYS-PROC-2016-123. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5296.
X(3872) and its bottomonium counterpart at ATLAS / Kordas, Kostantinos (Thessaloniki U.)
We present the measurement of the differential cross-section of the X(3872) state through its decays to $J/\psi \pi^+ \pi^-$ final state . [...]
ATL-PHYS-PROC-2016-122. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5297.
Search for new physics in a lepton plus high jet multiplicity final state with the ATLAS experiment using sqrt(s) = 13 TeV proton-proton collision data
A search for new physics in final states characterized by high jet multiplicity, an isolated lepton (electron or muon) and either zero or at least three b-tagged jets is presented. [...]
ATLAS-CONF-2016-094. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5298.
Search for electroweak production of supersymmetric particles in final states with tau leptons in $\sqrt{s} =$ 13TeV pp collisions with the ATLAS detector
A search for the electroweak production of charginos and neutralinos in final states with at least two hadronically decaying tau leptons is presented. [...]
ATLAS-CONF-2016-093. - 2016. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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5299.
Search for long-lived neutral particles decaying into lepton-jets with the ATLAS Detector / Diamond, Miriam (Toronto U.)
Several models of elementary particle physics beyond the Standard Model predict the existence of neutral particles that can be long lived and decay in collimated jets of light leptons and hadrons (lepton-jets). [...]
ATL-PHYS-PROC-2016-121. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - ATLAS note
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5300.
Searches for Heavy Quark States at ATLAS / Cheng, Hok Chuen (Michigan U.)
This talk highlights the latest results of heavy quark searches from the ATLAS collaboration, mainly on resonance searches and vector-like quarks (VLQs) searches. [...]
ATL-PHYS-PROC-2016-120. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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5301.
Performance of the ATLAS hadronic Tile calorimeter / Bartos, Pavol (Bratislava University)
The Tile Calorimeter (TileCal) of the ATLAS experiment at the LHC is the central hadronic calorimeter designed for energy reconstruction of hadrons, jets, tau-particles and missing transverse energy. [...]
ATL-CAL-PROC-2016-001. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5302.
Measurements of photon and jet production properties with ATLAS / Meyer, Christopher (Pennsylvania U.)
Summary of recent ATLAS measurements of jet and photon production using proton–proton (pp) collisions from the Large Hadron Collider. [...]
arXiv:1610.04220. - SISSA, 2016-09-09. - 10 p.
PoS server - Full text - Full text - Fulltext
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5303.
Measurement of the ZZ(*) and Zgamma production cross sections at 8 TeV and 13 TeV and limits on anomalous triple gauge couplings with the ATLAS detector / Gkaitatzis, Stamatios (Thessaloniki U.)
Measurements of the cross sections of the production of pairs of electroweak gauge bosons at the LHC constitute stringent tests of the electroweak sector of the Standard Model and provide a model-independent means to search for new physics at the TeV scale. [...]
ATL-PHYS-PROC-2016-118. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5304.
Measurement of ttZ and ttW production at ATLAS in 13 TeV data, using trilepton and same charge dimuon final states / Bessidskaia Bylund, Olga (Stockholm U.)
The production of $t \bar t Z$ serves as an important probe of the coupling of top quarks to Z bosons. [...]
ATL-PHYS-PROC-2016-117. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - ATLAS note
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5305.
Quarkonium and heavy flavour meson production at 13 TeV at ATLAS / Gladilin, Leonid (SINP, Moscow)
First results of the ATLAS experiment at LHC on quarkonium and heavy flavour meson production in proton-proton collisions at 13 TeV are presented. [...]
ATL-PHYS-PROC-2016-138. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5306.
Charged Higgs boson searches in ATLAS and CMS / Ohman, Henrik (Uppsala U.)
Results from searches for charged Higgs bosons in ATLAS and CMS are presented. [...]
ATL-PHYS-PROC-2016-137. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text - CMS note
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5307.
B$_{d/s} \to \mu^{+}\mu^-$ in ATLAS / Guenther, Jaroslav (Innsbruck U.)
The ATLAS Experiment has conducted a search for the rare decays of $B_{s}$ and $B_{d}$ into two muons. [...]
ATL-PHYS-PROC-2016-136. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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5308.
Heavy Flavour production results with ATLAS at sqrt(s)=7, 8 and 13 TeV / Canale, Vincenzo (Naples U. ; INFN, Naples)
We present some recent results on heavy flavour production obtained with ATLAS during the LHC runs in 2011-2012 at sqrt{s}=7, 8TeV and in 2015 at sqrt{s}=13TeV..
ATL-PHYS-PROC-2016-135. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5309.
Searches for Heavy Diboson Resonances at $\sqrt{s} = 13~\mathrm{TeV}$ with the ATLAS Detector / Sogaard, Andreas (Edinburgh U.)
A combined search for high-mass resonances decaying to $WW$, $WZ$, and $ZZ$ final states with jets in boosted topologies is presented. [...]
ATL-PHYS-PROC-2016-134. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5310.
The alignment of the ATLAS Inner Detector in Run 2 / Ripellino, Giulia (Royal Institute of Technology (KTH))
The ATLAS reconstruction of charged particle trajectories relies on the Inner Detector tracking system. [...]
ATL-INDET-PROC-2016-003. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5311.
Heavy flavour decay properties with ATLAS / Carli, Ina (Charles U.)
We present the results on CP-violation searches in the $B_s$ system, studied in the $B_s\rightarrow J/\psi \phi$ decay and the $B_d$ system through the comparison of the decay time distributions in the flavour specific state $J/\psi\ K^*$ and in the CP eigenstate $J/\psi\ K_s$. [...]
ATL-PHYS-PROC-2016-153. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text - ATLAS note
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5312.
High-luminosity LHC prospects with the upgraded ATLAS detector / Slawinska, Magdalena (NIKHEF, Amsterdam)
Run 1 at the LHC was very successful with the discovery of a new boson. [...]
arXiv:1609.08434 ; ATL-PHYS-PROC-2016-152. - SISSA, 2016-09-29. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Fulltext - Full text
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5313.
Design of the ATLAS New Small Wheel Gas Distribution System for the Micromegas Detector Modules / Gazis, Evangelos (National Technical University of Athens) ; Alexopoulos, Theodoros (National Technical University of Athens) ; Maltezos, Stavros (National Technical University of Athens) ; Vlachos, Sotirios (National Technical University of Athens) ; Karentzos, Efstathios (National Technical University of Athens) ; Koulouris, Aimilianos (National Technical University of Athens) ; Moschovakos, Paris (National Technical University of Athens) ; Koutelieris, Georgios (National Technical University of Athens)
In this work we present and describe the methodology, the particular calculations and simulations accordingly to achieve the appropriate gas flow rates ensuring a uniform gas distribution among the same type of NSW Micromegas modules. [...]
ATL-MUON-PROC-2016-005. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5314.
Recent results on soft QCD topics from ATLAS / Lysak, Roman (Prague, Inst. Phys.)
The paper presents various soft QCD related measurements performed by the ATLAS Collaboration at the LHC using early Run 2 proton-proton collisions at a centre-of-mass energy of $\sqrt{s} = 13$ TeV as well as Run 1 data at $\sqrt{s} = 7$ TeV. [...]
ATL-PHYS-PROC-2016-151. - 2016. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Published version from PoS
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5315.
Upgrade of the ATLAS Calorimeters for Higher LHC Luminosities / Carbone, Ryne Michael (Nevis Laboratory, Columbia University)
The upgrade of the LHC will bring instantaneous and total luminosities which are a factor 5-7 beyond the original design of the ATLAS Liquid Argon (LAr) and Tile Calorimeters and their read-out systems. [...]
ATL-CAL-PROC-2016-002. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5316.
High-pT Jet Energy Scale Uncertainty from single hadron response with the ATLAS detector / Poulsen, Trine (Lunds universitet, Fysiska institutionen)
The jet energy scale (JES) uncertainty is estimated using different methods at different p$_\text{T}$ ranges. [...]
ATL-PHYS-PROC-2016-270. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5317.
Studies on top-quark Monte Carlo modelling for Top2016
This note summarises recent studies on Monte Carlo simulation setups of top-quark pair production used by the ATLAS experiment and presents a new method to deal with interference effects for the $Wt$ single-top-quark production which is compared against previous techniques. [...]
ATL-PHYS-PUB-2016-020. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5318.
Probing the $Wtb$ vertex structure with $t$-channel single top-quark events in $pp$ collisions at $\sqrt{\mathrm{s}}=8$ TeV with the ATLAS detector
To probe the $Wtb$ vertex structure, top-quark and $W$ boson polarisation observables are measured from $t$-channel single top-quark events produced in proton--proton collisions at a centre-of-mass energy of 8 TeV [...]
ATLAS-CONF-2016-097. - 2016. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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5319.
Squark/gluino in leptonic channels with ATLAS / Pagacova, Martina (Freiburg U.)
Weak-scale supersymmetry is one of the most motivated theories for physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2016-150. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text - PoS server - Full text
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5320.
Diboson and multiboson results with ATLAS / Barnes, Sarah Louise (U. Manchester (main))
Measurements of electroweak gauge-boson pair-production and multi-boson production at sqrt(s) = 8 TeV and sqrt(s) = 13 TeV in pp collisions with the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2016-149. - 2016. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5321.
Standard Model and Higgs Physics at the HL-LHC with ATLAS and CMS / Krieger, Peter (Toronto U.)
The current LHC experimental program is scheduled to last until the end of 2023 and to result in a total data sample of about 300~fb$^{-1}$ at a $pp$ centre-of-mass energy close to the design value of 14~TeV [...]
ATL-PHYS-PROC-2016-148. - 2016. - 11 p.
Original Communication (restricted to ATLAS) - Full text - ATLAS note - PoS server - Full text
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5322.
ATLAS searches for gluinos using leptons with 3.2 fb-1 of pp collisions at 13 TeV / Rifki, Othmane (Oklahoma U.)
ATLAS performed various searches for supersymmetric squarks and gluinos decaying into different final states containing leptons, jets, b-tagged jets, and missing transverse momentum. [...]
ATL-PHYS-PROC-2016-147. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - PoS server - Full text
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5323.
pMSSM studies with ATLAS and CMS / Fawcett, William James (Oxford U.)
The ATLAS and CMS collaborations conducted a large number of searches for supersymmetry during Run-1 of the LHC. [...]
ATL-PHYS-PROC-2016-146. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5324.
Measurement of the photon and jet production with the ATLAS detector / Svatos, Michal (Prague, Inst. Phys.)
Production of prompt isolated photons at hadron colliders provides a probe of perturbative QCD and can be used to study the gluon density function of the proton. [...]
ATL-PHYS-PROC-2016-145. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5325.
QCD with Jets and Heavy Flavour in pp and PbPb Collisions in ATLAS / Keyes, Robert (McGill U.)
ATLAS has studied different aspects of QCD in pp and PbPb collisions. [...]
ATL-PHYS-PROC-2016-144. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5326.
Challenges in W mass measurements with ATLAS and CMS / Vranjes, Nenad (Belgrade, Inst. Phys.)
The mass of the W boson is an important parameter of the Standard Model of particle physics. [...]
ATL-PHYS-PROC-2016-143. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5327.
Robustness of the ATLAS pixel clustering neural network algorithm / Sidebo, Edvin (Nordita)
Proton-proton collisions at the energy frontier puts strong constraints on track reconstruction algorithms. [...]
ATL-PHYS-PROC-2016-142. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5328.
Squark/gluino searches in hadronic channels with ATLAS / Strubig, Antonia (NIKHEF, Amsterdam)
This document presents recent results of supersymmetry searches at ATLAS with 3.2 fb$^{-1}$ of proton-proton collisions at the LHC with $\sqrt{s} = 13$ TeV . [...]
ATL-PHYS-PROC-2016-141. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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5329.
Search for squark and gluino production in leptonic final states with the ATLAS detector / Kahn, Sebastien Jonathan (Marseille, CPPM)
Weak scale supersymmetry is one of the best motivated and studied extensions of the Standard Model. [...]
ATL-PHYS-PROC-2016-140. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5330.
Measurement of the ridge in pp and p+Pb collisions with the ATLAS detector at the LHC / Trzupek, Adam (Cracow, INP)
Recent measurements from the ATLAS experiment of the azimuthal anisotropy of charged hadron production in $pp$ collisions at $\sqrt{s}$ = 2.76, 5.02 and 13 TeV and in $p$+Pb collisions at $\sqrt{s_\mathrm{NN}}$ = 5.02~TeV at the Large Hadron Collider (LHC) are presented. [...]
ATL-PHYS-PROC-2016-139. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5331.
MASADA: A Modeling and Simulation Automated Data Analysis framework for continuous data-intensive validation of simulation models / Foguelman, Daniel Jacob (Universidad de Buenos Aires) ; Bonaventura, Matias Alejandro (Universidad de Buenos Aires) ; Castro, Rodrigo Daniel (Universidad de Buenos Aires) - Second author
Complex networked computer systems are usually subjected to upgrades and enhancements on a continuous basis. [...]
ATL-DAQ-PROC-2016-014. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5332.
Production and Quality Control of Micromegas Anode PCBs for the ATLAS NSW Upgrade / Kuger, Fabian (Wurzburg U. ; CERN)
To exploit the full discovery potential of the Large Hadron Collider an upgrade towards high luminosity (HL-LHC) is scheduled until 2024-25. [...]
ATL-MUON-PROC-2016-007. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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5333.
Search for pair production of vector-like top partners in events with exactly one lepton and large missing transverse momentum in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
The results of a search for vector-like top quarks in the $Zt + X$ channel using final states with exactly one lepton, at least four jets, and large missing transverse momentum are reported. [...]
ATLAS-CONF-2016-101. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5334.
Measurements of $t\bar{t}$ differential cross-sections in the all-hadronic channel with the ATLAS detector using highly boosted top quarks in $pp$ collisions at $\sqrt{s}=13$ TeV
A measurement of the boosted top quark differential cross-section in 13 TeV $pp$ collisions in the all-hadronic decay modes is presented. [...]
ATLAS-CONF-2016-100. - 2016. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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5335.
Measurements of top quark spin observables in $t\bar{t}$ events using dilepton final states at $\sqrt{s} = 8$ TeV with the ATLAS detector
Measurements of top quark spin observables in $t \bar{t}$ events are presented based on 20.2 fb$^{-1}$ of $\sqrt{s} = 8$ TeV proton--proton collisions recorded with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2016-099. - 2016. - 32 p.
Original Communication (restricted to ATLAS) - Full text
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5336.
Search for new phenomena in events containing a same-flavour opposite-sign dilepton pair, jets, and large missing transverse momentum in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
Two searches for new phenomena in final states containing a same-flavour opposite-sign lepton (electron or muon) pair, jets, and large missing transverse momentum are presented. [...]
ATLAS-CONF-2016-098. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5337.
Micromesh-selection for the ATLAS New Small Wheel Micromegas detectors / Kuger, Fabian (CERN ; Wurzburg U.)
The ATLAS New Small Wheels will be the first major upgrade to an LHC experiment utilizing the Micromegas technology. [...]
ATL-MUON-PROC-2016-006. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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5338.
The design of a fast Level-1 track trigger for the High Luminosity Upgrade of ATLAS / Gradin, Per Olov Joakim (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC))
To increase the number of proton-proton collisions the Large Hadron Collider at CERN aims to increase its instantaneuos luminosity to around five times the nominal value for run four, set to begin in 2026. [...]
ATL-DAQ-PROC-2016-013. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5339.
Searches for high mass Higgs bosons with the ATLAS detector / Angelidakis, Stylianos (Athens Natl. Capodistrian U.)
Recent results from searches for heavy Higgs bosons, using the ATLAS detector at the CERN LHC are presented. [...]
ATL-PHYS-PROC-2016-154. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5340.
Measurements of $t\bar{t}$+X using the ATLAS detector / Alvarez Gonzalez, Barbara (CERN)
The large centre-of-mass energy available at the proton-proton collider LHC allows for the copious production of top-quark pairs in association with other final state particles at high transverse momentum. [...]
ATL-PHYS-PROC-2016-158. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5341.
Prospects for a search for direct pair production of top squarks in scenarios with compressed mass spectra at the high luminosity LHC with the ATLAS Detector
The current searches at the LHC have yielded a limited sensitivity to top squark pair production in scenarios with compressed mass spectra, where the top squark decays via $\tilde{t}_{1} \rightarrow t \tilde{\chi}_{1}^{0}$. [...]
ATL-PHYS-PUB-2016-022. - 2016. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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5342.
Prospect for a search for direct stau production in events with at least two hadronic taus and missing transverse momentum at theHigh Luminosity LHC with the ATLAS Detector
Only one scenario of combined $\tilde{\tau_{L}}\tilde{\tau_{L}}$ and $\tilde{\tau_{R}}\tilde{\tau_{R}}$ production is excluded for the current searches at LHC, where the $\tilde{\tau_{R}}$ mass is 109 GeV and the $\tilde\chi^0_1$ is massless. [...]
ATL-PHYS-PUB-2016-021. - 2016. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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5343.
Light-by-light scattering in ultra-peripheral Pb+Pb collisions at $\sqrt{s_{NN}}=5.02$ TeV with the ATLAS detector at the LHC
This note reports evidence for light-by-light scattering, using 480 $\mu$b$^{-1}$ of Pb+Pb collision data at $\sqrt{s_{NN}}=5.02$ TeV recorded by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2016-111. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5344.
Study of photon-jet momentum correlations in Pb+Pb and $pp$ collisions at $\sqrt{s_\mathrm{NN}} = 5.02$ TeV with ATLAS
Measurements of the azimuthal opening angle and transverse momentum balance between isolated photons and inclusive jets are presented using 0.49 nb$^{-1}$ of Pb+Pb collision data at $\sqrt{s_\mathrm{NN}}=5.02$~TeV and 26 pb$^{-1}$ of $pp$ collision data at $\sqrt{s}=5.02$~TeV with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2016-110. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5345.
Study of $J/\psi\to\mu^+\mu^-$ and $\psi\mathrm{(2S)}\to\mu^+\mu^-$ production with 2015 \PbPb data at $\sqrt{s_{\mathrm{NN}}} = 5.02~\mathrm {TeV}$ and \pp data at $\sqrt{s} = 5.02~\mathrm {TeV}$ with the ATLAS detector
A measurement of $J/\psi$ and $\psi(2\mathrm{S})$ production is presented. [...]
ATLAS-CONF-2016-109. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5346.
Measurement of charged particle spectra in pp collisions and nuclear modification factor $R_\mathrm{pPb}$ at $\sqrt{s_{NN}}=5.02$TeV with the ATLAS detector at the LHC
This note presents an analysis of the inclusive charged particle spectra in pp collisions at $\sqrt{s}=5.02$TeV that are measured with the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2016-108. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5347.
$Z$ Boson Production in pp Collisions at $\sqrt{s}$ = 5.02 TeV with the ATLAS detector at the LHC
The production of $Z$ bosons in the di-muon decay channel in $pp$ collisions at $\sqrt{s}$ = 5.02 TeV is measured with the ATLAS detector. [...]
ATLAS-CONF-2016-107. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5348.
Measurement of multi-particle azimuthal correlations in pp collisions at sqrt(s) = 5.02 and 13 TeV with the ATLAS detector
Multi-particle correlations in azimuthal angles of produced charged particles are measured by the ATLAS Collaboration in sqrt(s) = 5.02 and 13 TeV pp collisions at the Large Hadron Collider. [...]
ATLAS-CONF-2016-106. - 2016. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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5349.
Measurement of the azimuthal anisotropy of charged particles produced in 5.02~TeV Pb+Pb collisions with the ATLAS detector
The data collected by the ATLAS experiment during the 2015 heavy ion LHC run offers new opportunities to probe properties of the Quark-Gluon Plasma at unprecedented high temperatures and densities. [...]
ATLAS-CONF-2016-105. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5350.
Search for new phenomena in $t\bar{t}$ final states with additional heavy-flavour jets in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for new phenomena in $t\bar{t}$ final states with additional heavy-flavour jets is presented. [...]
ATLAS-CONF-2016-104. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5351.
SUSY SEARCHES AT 13 TEV AT ATLAS / Trigger, Isabel Marian (TRIUMF)
In 2015, the ATLAS detector at the CERN Large Hadron Collider (LHC) recorded 3.2 fb-1 of data at the unprecedented centre-of-mass energy of 13 TeV. [...]
ATL-PHYS-PROC-2016-157. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5352.
Test of QCD at colliders / Shimizu, Shima (Kobe University)
The ATLAS and CMS collaborations measure QCD processes in a wide kinematic range using proton--proton colliding data at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2016-156. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5353.
Search for long-lived neutral particles decaying in the hadronic calorimeter of ATLAS at $\sqrt{s} = 13~\mathrm{TeV}$ in $3.2~\mathrm{fb^{-1}}$ of data
Long-lived neutral particles can be featured in many proposed extensions to the Standard Model and may provide a novel path to the discovery of heavy Higgs-like scalars at the Large Hadron Collider. [...]
ATLAS-CONF-2016-103. - 2016. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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5354.
Search for a high mass diphoton resonance using the ATLAS detector / Malek, Fairouz (LPSC, Grenoble)
High-mass states decaying into two photons are predicted in many extensions of the Standard Model (SM). [...]
ATL-PHYS-PROC-2016-155. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5355.
Search for pair production of heavy vector-like quarks decaying to high-$p_T$ $W$ bosons and b quarks in the lepton-plus-jets final state in pp collisions at $\sqrt{s}$=13 TeV with the ATLAS detector
A search is presented for the pair production of a heavy vector-like quark T, together with its antiparticle, targetting a T quark decay to a W boson and a b-quark. [...]
ATLAS-CONF-2016-102. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5356.
Search for four-top-quark production in final states with one charged lepton and multiple jets using 3.2 fb$^{-1}$ of pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector at the LHC / Serkin, Leonid (INFN Gruppo Collegato di Udine and ICTP, Trieste)
A search for four-top-quark production is presented based on the proton-proton collision data taken at $\sqrt{s}$ = 13 TeV at the Large Hadron Collider and collected with the ATLAS detector during 2015, corresponding to an integrated luminosity of 3.2 fb$^{-1}$. [...]
ATL-PHYS-PROC-2016-166. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5357.
Results on BSM Higgs boson searches at ATLAS / Giulini, Maddalena (Physikalisches Institut)
Many beyond the SM theories (BSM) foresee a complex Higgs sector and hence additional Higgs bosons. [...]
ATL-PHYS-PROC-2016-165. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5358.
Novel time-dependent alignment of the ATLAS Inner Detector in the LHC Run 2 / Jimenez Pena, Javier (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
ATLAS is a multipurpose experiment at the LHC proton-proton collider. [...]
ATL-PHYS-PROC-2016-271. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5359.
Search for resonances in the di-photon channel with the ATLAS experiment at the LHC / Mazza, Simone Michele (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
A search for resonances decaying to two photons is presented [...]
ATL-PHYS-PROC-2016-164. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5360.
Primary vertex reconstruction with the ATLAS detector / Meloni, Federico (Bern U., LHEP)
Efficient and precise reconstruction of the primary vertex in a LHC collision is essential for determining the full kinematic properties of a hard-scatter event and of soft interactions as a measure of the amount of pile-up. [...]
ATL-PHYS-PROC-2016-163. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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5361.
Diboson production at ATLAS and CMS / Meyer, Jochen (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef)
The ATLAS and CMS collaborations have carried out a set of measurements that provide stringent tests of the electroweak sector of the Standard Model in proton-proton collisions produced by the LHC at different center-of-mass energies from 7 to 13 TeV. [...]
ATL-PHYS-PROC-2016-162. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5362.
High-mass Higgs searches at ATLAS and CMS / Snyder, Scott (Brookhaven National Laboratory (BNL))
Several theories beyond the Standard Model, such as the two-Higgs doublet model, predict the existence of high-mass neutral and charged Higgs particles. [...]
ATL-PHYS-PROC-2016-161. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5363.
Measurement of c-jet tagging efficiency in ATLAS with W+c-jet events / Lapertosa, Alessandro (INFN Genova and Universita' di Genova, Dipartimento di Fisica)
The correct identification of the jet flavour (Flavour Tagging) is of fundamental importance for the hadron collider experiments, such as ATLAS and CMS at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2016-160. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5364.
Status and recent highlights from ATLAS / Wengler, Thorsten (CERN)
After a brief introduction the start-up of the ATLAS detector for 2016 data taking will be described, as well as its current status and performance, before discussing a selection of recent physics highlights..
ATL-PHYS-PROC-2016-159. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text - ATLAS note
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5365.
Expected Performance of the ATLAS Inner Tracker at the High-Luminosity LHC
The large data samples at the High-Luminosity LHC will enable precise measurements of the Higgs boson and other Standard Model particles, as well as searches for new phenomena such as supersymmetry and extra dimensions. [...]
ATL-PHYS-PUB-2016-025. - 2016. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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5366.
The ATLAS Insertable B-Layer: from construction to operation / La Rosa, Alessandro (Max-Planck-Institut fuer Physik) ; La Rosa, Alessandro (Munich, Max Planck Inst.)
The ATLAS Insertable B-Layer (IBL) is the innermost layer of pixel detectors, and was installed in May 2014 at a radius of 3.3 cm from the beam axis, between the existing Pixel detector and a new smaller radius beam-pipe [...]
ATL-INDET-PROC-2016-004 ; arXiv:1610.01994. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Full text
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5367.
Projected sensitivity to non-resonant Higgs boson pair production in the $b\bar{b}b\bar{b}$ final state using proton–proton collisions at HL-LHC with the ATLAS detector
Estimates of the sensitivity to non-resonant Higgs boson pair production using the $HH\to b\bar{b}b\bar{b}$ channel with the full HL-LHC dataset of 3000 fb$^{-1}$ of proton--proton collisions at $\sqrt{s} = 14\,$TeV. [...]
ATL-PHYS-PUB-2016-024. - 2016. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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5368.
Prospects for Observing $t \bar t HH$ Production with the ATLAS Experiment at the HL-LHC
Measuring the self-coupling of the Higgs boson is one of the primary goals of the High Luminosity-LHC. [...]
ATL-PHYS-PUB-2016-023. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5369.
Associated $J/\psi$ production measurements at ATLAS / Weinert, Benjamin (Indiana University)
The associated production of quarkonium with a vector boson or an additional quarkonium state are rare processes that provide new insight into QCD models of quarkonium production, but also provide new opportunities to study double parton scattering. [...]
ATL-PHYS-PROC-2016-174. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5370.
Top quark pair production cross-section measurements and measurements of $t\bar{t}+X$ with the ATLAS and CMS detectors / Sidoti, Antonio (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia)
We present measurements of the inclusive and differential top-quark pair production cross sections in proton-proton collisions with the ATLAS and CMS detector at the LHC. [...]
ATL-PHYS-PROC-2016-173. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5371.
Rare Decays of $B^{0}_{(s)}$ Mesons to Muon Pairs with the ATLAS Detector (Run 1) / Walkowiak, Wolfgang (Fachbereich Physik, Universitaet Siegen)
The large amount of Heavy Flavor data collected by the ATLAS experiment at the LHC is potentially sensitive to New Physics, which could be evident in processes that are naturally suppressed in the Standard Model. [...]
ATL-PHYS-PROC-2016-172. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5372.
ATLASrift - a Virtual Reality application / Vukotic, Ilija (University of Chicago, Enrico Fermi Institute) ; Moyse, Edward (University of Massachusetts, Amherst) ; Bianchi, Riccardo-Maria (University of Pittsburgh)
We present ATLASrift - a Virtual Reality application that provides an interactive, immersive visit to ATLAS experiment. [...]
ATL-OREACH-PROC-2016-004. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5373.
Ultra-peripheral collisions with the ATLAS detector / Arratia, Miguel (Cavendish Laboratory, University of Cambridge)
The first ATLAS measurement of ultra-peripheral collisions is described. [...]
ATL-PHYS-PROC-2016-171. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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5374.
A search for R-parity violating decays of the top squark in four-jet final state with the ATLAS experiment at $\sqrt{s} = 13$~TeV / Veeraraghavan, Venkatesh (University of Arizona)
We present a search for direct production of pairs of top squarks, each decaying into a $b$- and an $s$-quark through R-parity violating couplings. [...]
ATL-PHYS-PROC-2016-170. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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5375.
Expected performance for an upgraded ATLAS detector at High-Luminosity LHC
This note summarises the expected performance of the ATLAS detector after the upgrades for the High-Luminosity LHC. [...]
ATL-PHYS-PUB-2016-026. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5376.
Dark matter searches at ATLAS / Gustavino, Giuliano (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
Although the existence of Dark Matter is a well-established hypothesis to explain a range of astrophysical and cosmological measurements, its nature and particle properties still remain one of the greatest unsolved puzzles of particle and astro-particle physics. [...]
ATL-PHYS-PROC-2016-169. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5377.
Search for WIMP dark matter produced in association with a Z boson with the ATLAS detector / Basalaev, Artem (Petersburg Nuclear Physics Institute)
The search for weakly interacting dark matter particle (WIMP) candidates produced in association with a Z boson with the ATLAS detector at the LHC is presented. [...]
ATL-PHYS-PROC-2016-168. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Fulltext - Full text
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5378.
Trigger monitoring and rate predictions using Enhanced Bias data from the ATLAS Detector at the LHC
A data-driven method for performing offline rate and CPU usage predictions for any algorithmic selection in the ATLAS High Level Trigger at the Large Hadron Collider is described. [...]
ATL-DAQ-PUB-2016-002. - 2016. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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5379.
Search for heavy resonances in the $\ell\ell qq$ final state in pp collisions at $\sqrt s =13$ TeV with ATLAS / Bachas, Konstantinos (INFN Lecce and Universita del Salento, Dipartimento di Matematica e Fisica)
A search for heavy resonances decaying to a pair of $Z$ bosons is performed using proton-proton collision data produced at $\sqrt{s}=13$ TeV and recorded by the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2016-167. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5380.
Physics performance of the ATLAS Pixel Detector / Tsuno, Soshi (KEK, High Energy Accelerator Research Organization)
One noticeable upgrade from Run-1 to Run-2 with ATLAS detector in proton-proton collisions at LHC is the introduction of the new pixel detector, IBL, located on the beam pipe as the extra innermost pixel layer. [...]
ATL-INDET-PROC-2016-007. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5381.
Searches for SUSY in photons and tau channels with the ATLAS detector / Schumm, Bruce (Santa Cruz Institute for Particle Physics, University of California Santa Cruz)
Searches for the prompt decay of supersymmetric particles in events containing photons or taus and large transverse missing momentum, performed by the ATLAS experiment running with $pp$ collisions at $\sqrt{s} = 13$ TeV, are presented. [...]
ATL-PHYS-PROC-2016-180. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5382.
Top quark production measurements using the ATLAS detector at the LHC / Atlay, Naim Bora (Siegen U.) ; ATLAS Collaboration
A selection from the inclusive top-quark pair production and single top-quark production cross-section measurements in proton-proton collisions with the ATLAS detector at the Large Hadron Collider is presented, with data collected in 2012 and early 2015 at centre-of-mass energies of 8 TeV and 13 TeV, respectively..
ATL-PHYS-PROC-2016-179. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5383.
Tracking in dense environments and its inefficiency measurement using pixel $dE/dx$ / Mansour, Jason Dhia (Institute of High Energy Physics, Chinese Academy of Sciences)
We present a measurement of the charged particle reconstruction inefficiency inside of jet cores, using data collected by the ATLAS experiment in 2015 of $pp$ collisions produced at the LHC, at a center-of-mass energy of 13 TeV. [...]
ATL-INDET-PROC-2016-006 ; arXiv:1610.08709. - 2016-12-19. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Preprint
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5384.
New results on top-quark mass, including new methods, in ATLAS / Yau Wong, Kaven (Bonn U.)
Recent results on top-quark mass measurements with the ATLAS detector using proton-proton collisions at the Large Hadron Collider are presented. [...]
arXiv:1610.06707 ; ATL-PHYS-PROC-2016-178. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - Fulltext
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5385.
Searched for exotics at ATLAS / Turra, Ruggero (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
This note presents a selected subset of the analyses made by ATLAS using data from Run2 at 13 TeV searching for exotic New Physics. [...]
ATL-PHYS-PROC-2016-177. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5386.
Irradiation induced effects in the FE-I4 front-end chip of the ATLAS IBL detector / La Rosa, Alessandro (Max-Planck-Institut fuer Physik)
The ATLAS Insertable B-Layer (IBL) detector was installed into the ATLAS experiment in 2014 and has been in operation since 2015. [...]
ATL-INDET-PROC-2016-005. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5387.
Search for long-lived neutral particles decaying into lepton-jets with the ATLAS detector in proton-proton collision data at $\sqrt{s}$ = 13 TeV / Policicchio, Antonio (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
Several models of elementary particle physics beyond the Standard Model, predict the existence of neutral particles that can also be long lived and decay in collimated jets of light leptons and hadrons (lepton-jets). [...]
ATL-PHYS-PROC-2016-176. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5388.
Measurements of the Charged-Particle distributions with the ATLAS detector / Cairo, Valentina (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
Inclusive charged-particle measurements probe the low-energy region of non-perturbative quantum chromodynamics. [...]
ATL-PHYS-PROC-2016-175. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5389.
Early experience with the Run 2 ATLAS analysis model / Cranshaw, Jack (Argonne National Laboratory)
During the Long shutdown of the LHC, the ATLAS collaboration overhauled its analysis model based on experience gained during Run 1. [...]
ATL-SOFT-PROC-2016-007. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5390.
Total Ionising Dose effects in the FE-I4 front-end chip of the ATLAS Pixel IBL detector / Dette, Karola (Dortmund U. ; CERN)
The ATLAS Pixel Insertable B-Layer (IBL) detector was installed into the ATLAS experiment in 2014 and has been in operation since 2015. [...]
ATL-INDET-PROC-2016-008. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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5391.
AM06: the Associative Memory chip for the Fast TracKer in the upgraded ATLAS detector / Annovi, Alberto (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Beretta, Matteo (INFN Laboratori Nazionali di Frascati) ; Calderini, Giovanni (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), UPMC, Universite Paris-Diderot, CNRS/IN2P3) ; Crescioli, Francesco (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), UPMC, Universite Paris-Diderot, CNRS/IN2P3) ; Frontini, Luca (INFN Milano and Universita' di Milano, Dipartimento di Fisica) ; Liberali, Valentino (INFN Milano and Universita' di Milano, Dipartimento di Fisica) ; Shojaii, Seyed Ruhollah (INFN Milano and Universita' di Milano, Dipartimento di Fisica) ; Stabile, Alberto (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
\abstract{This paper describes the AM06 chip, which is a highly parallel processor for pattern recognition in high energy physics experiments. [...]
ATL-DAQ-PROC-2016-017. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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5392.
Search for Stable Massive Particles with the ATLAS detector in proton--proton collisions at $\mathbf{\sqrt{s}=13}$ TeV / Mehlhase, Sascha (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
A search for heavy long-lived charged $R$-hadrons is performed using data from proton--proton collisions at $\sqrt{s}=13$ TeV collected by the ATLAS Experiment at the Large Hadron Collider at CERN. [...]
ATL-PHYS-PROC-2016-185. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5393.
Simplified pilot module development and testing within the ATLAS PanDA Pilot 2.0 Project / Drizhuk, Daniil (NRC Kurchatov Institute Tier site) ; Nilsson, Paul (Brookhaven National Laboratory (BNL)) ; Guan, Wen (Department of Physics, University of Wisconsin) - Author Author
The Production and Distributed Analysis (PanDA) system has been developed to meet ATLAS production and analysis requirements for a data-driven workload management system capable of operating at the LHC data processing scale. [...]
ATL-SOF-PROC-2016-001. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5394.
The Upgrade of the ATLAS Electron and Photon Triggers for LHC Run 2 and their Performance / Monticelli, Fernando (Universidad National de La Plata (UNLP))
Electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential for signal selection in a wide variety of ATLAS physics analyses to study Standard Model processes and to search for new phenomena. [...]
ATL-DAQ-PROC-2016-016. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5395.
Search for supersymmetry at 13 TeV in final states with two same-sign leptons or at least three leptons and jets using "pp" collisions recorded with the ATLAS detector / Rifki, Othmane (Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma)
A search for strongly produced supersymmetric particles decaying into final states with multiple energetic jets and either two isolated leptons ("e" or "\mu") with the same electric charge or at least three isolated leptons is presented in this proceeding. [...]
ATL-PHYS-PROC-2016-184. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5396.
Search for dark matter with the ATLAS detector at the LHC / Shcherbakova, Anna (Stockholm University)
An overview of recent searches for dark matter production in association with visible particles with the ATLAS detector at LHC is presented. [...]
ATL-PHYS-PROC-2016-183. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5397.
Search for heavy resonances in vector boson fusion / Zhang, Guangyi (University of Science and Technology of China)
If the Higgs boson discovered at the Large Hadron Collider (LHC) is not exactly the one in the Standard Model, an alternative mechanism is needed to restore unitarity in the scattering amplitude of longitudinal gauge bosons, and new resonances may appear. [...]
ATL-PHYS-PROC-2016-182. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5398.
LUCID Upgrade for ATLAS Luminosity Measurement in Run II / Ucchielli, Giulia (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia)
The main ATLAS luminosity monitor, LUCID, and its read-out electronics have been completely rebuilt for the LHC Run II in order to cope with a higher center of mass energy ($\sqrt{s}$=13 TeV) and the 25 ns bunch-spacing. [...]
ATL-FWD-PROC-2016-001. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5399.
Measurements of the production of prompt photons, jets and vector bosons+jets in pp collisions with the ATLAS detector / Donadelli, Marisilvia (Instituto de Fisica, Universidade de Sao Paulo)
The production of jets, photons and of gauge bosons in association with jets at hadron colliders provides a stringent test of perturbative QCD and can be used to probe the gluon density function of the proton. [...]
ATL-PHYS-PROC-2016-181. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5400.
Managing Asynchronous Data in ATLAS's Concurrent Framework / ATLAS Collaboration
In order to be able to make effective use of emerging hardware, where the amount of memory available to any CPU is rapidly decreasing as the core count continues to rise, ATLAS has begun a migration to a concurrent, multi-threaded software framework, known as AthenaMT. [...]
ATL-SOFT-PROC-2016-006. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5401.
The Level-1 Tile-Muon Trigger in the Tile Calorimeter Upgrade Program / Ryzhov, Andrey (State Research Center Institute for High Energy Physics (Protvino), NRC KI)
The Tile Calorimeter (TileCal) is the central hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider (LHC). [...]
ATL-TILECA-PROC-2016-001. - 2016. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5402.
A method for the construction of strongly reduced representations of ATLAS experimental uncertainties and the application thereof to the jet energy scale / Boerner, Daniela (Bergische Universitaet Wuppertal, Fakultaet fuer Mathematik und Naturwissenschaften)
A method is presented for the reduction of large sets of related uncertainty sources into strongly reduced representations which retain a suitable level of correlation information for use in many cases. [...]
ATL-PHYS-PROC-2016-272. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text - EPJ Open Access article
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5403.
Build Your Own Particle Detector. Education and outreach through ATLAS LEGO models and events / Mehlhase, Sascha (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
To support the outreach activities of ATLAS institutes and to grasp people’s attention in science exhibitions and during public events, a very detailed model of the experiment built entirely out of LEGO bricks as well as an outreach programme using LEGO bricks to get people to think about particle detectors and involve them into a conversation about particle physics in general have been created. [...]
ATL-OREACH-PROC-2016-006. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5404.
ATLAS data sonification: a new interface for musical expression and public interaction / Hill, Ewan (University of Victoria) ; Goldfarb, Steven (ARC Centre of Excellence in Particle Physics at the Terascale, School of Physics, The University of Melbourne)
The goal of this project is to transform ATLAS data into sound and explore how ATLAS audio can be a source of inspiration and education for musicians and for the general public. [...]
ATL-OREACH-PROC-2016-005. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5405.
Tile Rear Extension Module for the Phase-I Upgrade of the ATLAS L1Calo PreProcessor System / Andrei, George Victor (Kirchhoff-Institut f\"{u}r Physik)
After the Phase-I ATLAS upgrade the Tile calorimeter will have to provide its data via fast optical links to the new Feature Extractor (FEX) modules of the L1Calo trigger system. [...]
ATL-DAQ-PROC-2016-015. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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5406.
The ATLAS Run-2 Trigger: Design, Menu, Performance and Operational Aspects / Machado Miguens, Joana (Department of Physics and Astronomy, University of Pennsylvania)
The LHC, at design capacity, has a bunch-crossing rate of 40 MHz whereas the ATLAS experiment has an average recording rate of about 1000 Hz. [...]
ATL-DAQ-PROC-2016-025. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5407.
Searches for squarks and gluinos in fully hadronic final states with the ATLAS detector / Miller, David (University of Chicago, Enrico Fermi Institute)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2016-274. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5408.
Measurement of cross sections and couplings of the SM Higgs boson in the WW decay channel using the ATLAS detector / Bertella, Claudia (Institut fuer Physik, Universitaet Mainz)
The measurement of the coupling strength of the Higgs boson to the two vector bosons using the H → WW → lνlν channel is presented using the 25 fb−1 of data collected at 7 and 8 TeV center-of-mass energy by the ATLAS experiment. [...]
ATL-PHYS-PROC-2016-203. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5409.
Measurement of the $W^{+}W^{-}\rightarrow \ell\nu\ell\nu$ production cross-section at $\sqrt s=8$ TeV and 13 TeV and limits on anomalous triple gauge couplings with the ATLAS Detector / Hassani, Samira (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay)
The production of opposite-charge $W$-boson pairs in proton-proton collisions at $\sqrt s~=~8$~TeV and $13$~TeV is measured using data corresponding respectively to 20.3~fb$^{-1}$ and 3.16~fb$^{-1}$ of integrated luminosity collected by the ATLAS detector during 2011-2012 and 2015 at the CERN Large Hadron Collider. [...]
ATL-PHYS-PROC-2016-202. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5410.
Design and test performance of the ATLAS Feature Extractor trigger boards for the Phase-1 Upgrade / Qian, Weiming (Rutherford Appleton Laboratory)
In Run 3, the ATLAS Level-1 Calorimeter Trigger will be augmented by an Electron Feature Extractor (eFEX), to identify isolated e/g and particles, and a Jet Feature Extractor (jFEX), to identify energetic jets and calculate various local energy sums. [...]
ATL-DAQ-PROC-2016-024. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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5411.
The Level-1 Calorimeter Global Feature Extractor (gFEX) Boosted Object Trigger for the Phase-I Upgrade of the ATLAS Experiment / Camacho Toro, Reina (University of Chicago, Enrico Fermi Institute) ; Stark, Giordon (University of Chicago, Enrico Fermi Institute) ; Miller, David (University of Chicago, Enrico Fermi Institute)
The Global Feature Extractor (gFEX) module is a planned component of the Level 1 online trigger system for the ATLAS experiment planned for installation during the Phase I upgrade in 2018. [...]
ATL-DAQ-PROC-2016-023. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5412.
Search for the Standard Model Higgs boson decaying to b-quark pairs with the ATLAS detector at the LHC / Conde Muíño, Patricia (LIP ; Lisbon U.)
After many years of searches, the Higgs boson was observed by the ATLAS and CMS collabo- rations in July 2012. [...]
ATL-PHYS-PROC-2016-201. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5413.
Test of CP Violation in $b\bar{b}$ pairs from top quark decay / Kempster, Jacob Julian (Royal Holloway, U. of London)
Top pair events provide a source of $b\bar{b}$ pairs, which can be used to probe CP violation in heavy-flavour mixing and decay. [...]
arXiv:1611.05274 ; ATL-PHYS-PROC-2016-200. - SISSA, 2016-11-04. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Preprint
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5414.
Performance of the ATLAS Calorimeters in LHC Run-1 and Run-2 / Burghgrave, Blake (Northern Illinois University)
The ATLAS experiment at the Large Hadron Collider (LHC) is equipped with electromagnetic and hadronic liquid-argon (LAr) calorimeters and a hadronic scintillator-steel sampling calorimeter (TileCal) for measuring energy and direction of final state particles in the pseudorapidity range $|\eta|<4.9$. [...]
ATL-CA-PROC-2016-001. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5415.
Vector boson scattering, triple gauge-boson production and limits on anomalous quartic gauge-boson couplings with the ATLAS detector / Wang, Hulin (Southern Methodist University)
The production of vector boson scattering and triple gauge bosons are studied using $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2016-199. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5416.
Search for new physics in rare and semi-rare decays of B-mesons at ATLAS / Ibragimov, Iskander (Fachbereich Physik, Universitaet Siegen)
Processes involving the Flavour Changing Neutral Current transitions in b-hadron decays are suppressed in the Standard Model and are sensitive to New Physics. [...]
ATL-PHYS-PROC-2016-198. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5417.
Search for the decay of the Higgs boson into two nMSSM pseudo-scalar particles / Živković, Lidija (Institute of Physics, University of Belgrade)
The next to MSSM theory predicts the existence of a light pseudoscalar boson "a", and the decay of the Higgs boson into a pair of such particles. [...]
ATL-PHYS-PROC-2016-197. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5418.
FELIX: a PCIe based high-throughput approach for interfacing front-end and trigger electronics in the ATLAS Upgrade framework / for the ATLAS collaboration
The ATLAS Phase-I upgrade (2018) requires a Trigger and Data Acquisition (TDAQ) system able to trigger and record data from up to three times the nominal LHC instantaneous luminosity. [...]
ATL-DAQ-PROC-2016-022. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access article
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5419.
The Trigger Readout Electronics for the Phase-I Upgrade of the ATLAS Liquid Argon Calorimeters / Xu, Hao (Brookhaven National Laboratory (BNL))
For the Phase-I luminosity upgrade of the LHC a higher granularity trigger readout of the ATLAS Liquid Argon (LAr) Calorimeters is foreseen to enhance the trigger feature extraction and background rejection. [...]
ATL-LARG-PROC-2016-003. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5420.
Search for invisible decay modes of the Higgs boson with the ATLAS detector / Trovatelli, Monica (University of Victoria)
The Higgs boson provides a unique way to probe the production of Dark Matter particles in the proton-proton collisions at the Large Hadron Collider, through searches for its decay into invisible particles. [...]
ATL-PHYS-PROC-2016-196. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5421.
Performance of the reconstruction, calibration and identification of electrons and photons with the ATLAS detector / Heim, Sarah (DESY, Hamburg and Zeuthen)
The performance of the reconstruction, calibration and identification of electrons and photons with the ATLAS detector at the LHC is a key component to realize the ATLAS full physics potential, both in the searches for new physics and in precision measurements. [...]
ATL-PHYS-PROC-2016-195. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5422.
The ATLAS Dataflow System in Run-2: Design and Performance / Rifki, Othmane (Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma)
The ATLAS Dataflow system is composed of distributed hardware and software responsible for buffering and transporting event data from the Readout system to the High Level Trigger and to the event storage. [...]
ATL-DAQ-PROC-2016-021. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5423.
Recent results on soft QCD topics, and jet, V+jet and photon production from ATLAS / Stanecka, Ewa (Cracow, INP)
This paper presents selection of recent QCD related measurements from the ATLAS Experiment at the Large Hadron Collider at CERN. [...]
ATL-PHYS-PROC-2016-194. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5424.
Performance and calibration of b-tagging with the ATLAS experiment at LHC Run-2 / Connelly, Ian (Royal Holloway, U. of London)
The identification of $b$-flavoured jets is key to many physics analyses at the LHC, including measurements involving Higgs bosons or top quarks, and searches for physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2016-193. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5425.
Performance of boosted object and jet substructure techniques in Run 1 and 2 ATLAS data / Schramm, Steven (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
Hadronic decays of heavy particles with momenta much larger than their mass result in their decay products being reconstructable as a single large-radius jet. [...]
ATL-PHYS-PROC-2016-192. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5426.
Search for a high mass diphoton resonance using the ATLAS detector / Lenzi, Bruno (CERN)
A search for new spin-0 resonances decaying into two photons in the ATLAS experiment at the LHC is described. [...]
arXiv:1611.03308 ; ATL-PHYS-PROC-2016-191. - SISSA, 2016-11-10. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext - Preprint
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5427.
ATLAS jet trigger performance in 2016 data / Herwig, Theodor Christian (Department of Physics and Astronomy, University of Pennsylvania)
The ATLAS experiment at the LHC uses a two-level trigger system to preferentially select events with a predefined topology of interest for future analysis. [...]
ATL-DAQ-PROC-2016-020. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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5428.
Search for new quarks with the ATLAS detector / Azuelos, Georges (Group of Particle Physics, University of Montreal)
Recent searches for vector-like quarks of the third generation using 3.2 fb$^{-1}$ of integrated luminosity with the ATLAS detector are reported: Pair production searches are based on the presence of same-sign leptons, $b$-tagged jets and missing transverse momentum or on the requirement of multiple jets and $b$-tagged jets. [...]
ATL-PHYS-PROC-2016-190. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5429.
ATLAS Trigger and Data Acquisition Upgrades for High Luminosity LHC / Balunas, William Keaton (Department of Physics and Astronomy, University of Pennsylvania)
The ATLAS experiment at CERN is planning a second phase of upgrades to prepare for the "High Luminosity LHC", a 4th major run due to start in 2026. [...]
ATL-DAQ-PROC-2016-019. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5430.
Precision Measurements of Top Quark Production with the ATLAS Detector / Stolte, Philipp (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
The top quark is the heaviest known fundamental particle. [...]
ATL-PHYS-PROC-2016-273. - 2017. - 11 p.
Original Communication (restricted to ATLAS) - Full text - EPJ Open Access article
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5431.
Lessons Learned in High Frequency Data Transmission Design: ATLAS Strips Bus Tape / Dopke, Jens (Rutherford Appleton Laboratory) ; Fadeyev, Vitaliy (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) ; Grillo, Alexander (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) ; Martinez-McKinney, George Forest (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) ; Phillips, Peter William (Rutherford Appleton Laboratory) ; Sawyer, Craig (Rutherford Appleton Laboratory) ; Sullivan, Stephanie W (Rutherford Appleton Laboratory) ; Wastie, Roy (University of Oxford, Particle Physics) ; Weidberg, Anthony (University of Oxford, Particle Physics) ; Nielsen, Jason (Santa Cruz Institute for Particle Physics, University of California Santa Cruz)
Requirements of HEP experiments lead to highly integrated systems with many electrical, mechanical and thermal constraints. [...]
ATL-ITK-PROC-2016-001. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5432.
Experience with using unfolding procedures in ATLAS / Biondi, Silvia (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia)
In the ATLAS experiment, several unfolding methods are used to correct experimental measurements for detector effects, like acceptance and resolution. [...]
ATL-PHYS-PROC-2016-189. - 2017. - 11 p.
Original Communication (restricted to ATLAS) - Full text - EPJ Open Access article
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5433.
Reconstruction of hadronically decaying tau leptons with ATLAS / Burghgrave, Blake (Northern Illinois University)
Tau leptons play an important role in many physics processes in the Standard Model and beyond that are being investigated at the LHC. [...]
ATL-PHYS-PROC-2016-188. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5434.
The new ATLAS Fast Calorimeter Simulation / Dias, Flavia (University of Edinburgh)
The physics and performance studies of the ATLAS detector at the Large Hadron Collider re- quire a large number of simulated events. [...]
ATL-SOFT-PROC-2016-008. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5435.
Search for a high mass $Z\gamma$ resonance using the ATLAS detector / Marchiori, Giovanni (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), UPMC, Universite Paris-Diderot, CNRS/IN2P3)
Searches are presented for high mass resonances, not predicted by the Standard Model, decaying to a $Z$ boson and a photon. [...]
ATL-PHYS-PROC-2016-187. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5436.
The design and performance of the ATLAS inner detector trigger for Run-2 LHC collisions at $\sqrt{s} = 13$ TeV / Miano, Fabrizio (University of Sussex)
The Run-2 of the Large Hadron Collider presents challenging high rate conditions for data analysis and processing within the ATLAS trigger system. [...]
ATL-DAQ-PROC-2016-018. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5437.
Measurements of ttbar+X using the ATLAS detector / Li, Yichen (Fachbereich Physik, Universitaet Siegen)
The large integrated luminosity provided by the LHC enables the production of a significant number of top-quark pairs in association with additional jets or additional gauge bosons. [...]
ATL-PHYS-PROC-2016-186. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5438.
Vector boson and Charmonium production in proton-lead and lead-lead collisions with ATLAS at the LHC / Citron, Zvi Hirsh (Department of Particle Physics, The Weizmann Institute of Science)
Electroweak bosons do not interact strongly with the dense and hot medium formed in nuclear collisions, and thus should be sensitive to the nuclear modification of parton distribution functions (nPDFs). [...]
ATL-PHYS-PROC-2016-222. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5439.
Searches for displaced hadronic and lepton jets at ATLAS / Moyse, Edward (University of Massachusetts (US))
Results of searches for long-lived particles that decay to either pairs of hadronic jets or lepton-jets in proton-proton collisions with the ATLAS experiment at the LHC with center-of-mass energies of 8 and 13 TeV are described. [...]
ATL-PHYS-PROC-2016-221. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5440.
ATLAS Phase-II-Upgrade Pixel Data Transmission Development / Wensing, Marius (Bergische Universitaet Wuppertal, Fakultaet fuer Mathematik und Naturwissenschaften) ; ATLAS Collaboration
The ATLAS tracking system will be replaced by an all-silicon detector (ITk) in the course of the planned HL-LHC accelerator upgrade around 2025. [...]
ATL-ITK-PROC-2016-004. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5441.
Search for Di-Higgs Production with the ATLAS Detector / Varol, Tulin (Southern Methodist University, Department of Physics)
An enhanced production of two Higgs bosons would be a clear sign of beyond Standard Model physics. [...]
ATL-PHYS-PROC-2016-220. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5442.
Pixel-Cluster Counting Luminosity Measurement In ATLAS / McCormack, William Patrick (Lawrence Berkeley National Laboratory and University of California, Berkeley)
A precision measurement of the delivered luminosity is a key component of the ATLAS physics program at the Large Hadron Collider (LHC). [...]
ATL-DAPR-PROC-2016-001. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5443.
Searches for leptoquarks and excited leptons with the ATLAS detector / Viel, Simon (Lawrence Berkeley National Laboratory and University of California, Berkeley)
Searches for pair-produced first-generation and second-generation leptoquarks and for excited muons are presented, for final states consisting of two charged leptons and at least two jets. [...]
ATL-PHYS-PROC-2016-219. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5444.
Expected performance of the ATLAS Inner Tracker upgrade / Viel, Simon (Lawrence Berkeley National Laboratory and University of California, Berkeley)
The design of the ATLAS Inner Tracker upgrade is underway. [...]
ATL-ITK-PROC-2016-003. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5445.
Electron and photon energy measurement calibration with the ATLAS detector / Manzoni, Stefano (Milan U. ; Paris U., VI-VII)
An accurate calibration of the energy measurement of electrons and photons is paramount for many ATLAS physics analyses [...]
ATL-PHYS-PROC-2016-218. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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5446.
Search for non-standard and rare decays of the Higgs boson with the ATLAS detector / Gerbaudo, Davide (Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Barcelona, Spain)
At the LHC, searches for rare and exotic decays of the Higgs boson constitute an excellent opportunity to look for new physics. [...]
ATL-PHYS-PROC-2016-217. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5447.
Overview of the ATLAS Fast Tracker Project / Ancu, Lucian Stefan (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
The next LHC runs, with a significant increase in instantaneous luminosity, will provide a big challenge for the trigger and data acquisition systems of all the experiments. [...]
ATL-DAQ-PROC-2016-028. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5448.
Performance of the ATLAS Tau Trigger in Run 2 / Besjes, Geert-Jan (Niels Bohr Institute (NBI), University of Copenhagen)
Tau leptons are used in a range of important ATLAS physics analyses, including the measurement of the SM Higgs boson coupling to fermions, searches for Higgs boson partners, and heavy resonances that decay into pairs of tau leptons. [...]
ATL-DAQ-PROC-2016-027. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5449.
Resistive Micromegas for the Muon Spectrometer Upgrade of the ATLAS Experiment / Iodice, Mauro (INFN Roma Tre and Universita' Roma Tre, Dipartimento di Fisica)
Large size resistive micromegas detectors (MM) will be employed for the first time in high-energy physics experiments for the Muon Spectrometer upgrade of the ATLAS experiment at CERN. [...]
ATL-MUON-PROC-2016-008. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5450.
Single Top-Quark Production Cross Section Using the ATLAS Detector at the LHC / Mergelmeyer, Sebastian (Humboldt University Berlin)
Recent measurements of the production of single top quarks in proton--proton collisions at centre-of-mass energies of $\sqrt{s}=7\,\mathrm{TeV}$, $8\,\mathrm{TeV}$ and $13\,\mathrm{TeV}$ with the ATLAS detector at the LHC are presented. [...]
ATL-PHYS-PROC-2016-216. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5451.
Top associated Higgs boson production channel $ \rm \mathbf{ttH\rightarrow 2\ell + 1 \tau_{had}}$ at $\mathbf{\sqrt{s}= 13}$ TeV with the ATLAS experiment / Ali, Babar (Czech Technical University in Prague, Inst. of Exp. and Applied Physics, Fac. of Nuclear Sciences and Physical Engineering, Fac. of Mechanical Engineering, Fac. of Transportation Sciences)
The production of the Higgs boson in association with the top quarks allows a direct measurement of the Yukawa coupling as a key parameter of the Standard Model. [...]
ATL-PHYS-PROC-2016-215. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5452.
Measurements of the Higgs boson production cross section via Vector Boson Fusion and associated $WH$ production in the $WW^{\ast} \to \ell\nu\ell\nu$ decay mode with the ATLAS detector at $\sqrt{s}$ = 13 TeV
Measurements of the Higgs boson production cross section via Vector Boson Fusion (VBF) and associated $WH$ production using $H \rightarrow WW^{\ast} \rightarrow \ell\nu\ell\nu$ decays are presented. [...]
ATLAS-CONF-2016-112. - 2016. - 38 p.
Original Communication (restricted to ATLAS) - Full text
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5453.
Recent heavy ion results from the ATLAS experiment / Przybycien, Mariusz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
The ATLAS experiment at the LHC has undertaken a broad physics program to probe and characterize the hot nuclear matter created in relativistic lead-lead collisions. [...]
ATL-PHYS-PROC-2016-214. - 2016. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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5454.
ATLAS SM VH(bb) Run-2 Search / Buzatu, Adrian (Glasgow U.)
The Higgs boson discovered at the LHC in 2012 has been observed coupling directly to $W$ and $Z$ bosons and to $\tau$ leptons, and indirectly to top quarks. [...]
arXiv:1612.01656 ; ATL-PHYS-PROC-2016-276. - SISSA, 2016-10-31. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext
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5455.
ATLAS Event Data Organization and I/O Framework Capabilities in Support of Heterogeneous Data Access and Processing Models / Malon, David (Argonne National Laboratory) ; Cranshaw, Jack (Argonne National Laboratory) ; van Gemmeren, Peter (Argonne National Laboratory) ; Nowak, Marcin (Brookhaven National Laboratory (BNL))
Choices in persistent data models and data organization have significant performance ramifications for data-intensive scientific computing. [...]
ATL-SOFT-PROC-2016-010. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5456.
Sreach for Higgs Pair Production in $bb\tau\tau$ Channel at 8TeV Center of Mass energy by the ALTAS Detector at the LHC. / Saha, Puja (Northern Illinois University)
We present the result of Higgs boson pair production and subsequent decay into the $bb\tau\tau$ channel in $pp$ collision at centre-of-mass energy of 8 TeV using the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2016-275. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5457.
ATLAS Trigger and DAQ upgrades for High-Luminosity LHC / Ishino, Masaya (Tokyo U., ICEPP)
The ATLAS Trigger-DAQ system will be significantly upgraded to explore new physics beyond the standard model in the High-Luminosity LHC environment with instantaneous luminosity of up to $7.5 \times 10^{34}$ cm$^{-2}$s$^{-1}$. [...]
ATL-DAQ-PROC-2016-026. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5458.
Measurement of CP-violation parameters in decays of $B^0_s\to J/\psi\phi$ with the ATLAS detector / Maevskiy, Artem (M.V.Lomonosov Moscow State University)
A measurement of CP-violating weak phase $\phi_s$ and $B^0_s$ meson decay width difference with $B^0_s\to J/\psi\phi$ decays in the ATLAS experiment is presented. [...]
ATL-PHYS-PROC-2016-213. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5459.
Measurements of Diffractive and Exclusive Processes with ATLAS / Dyndal, Mateusz (DESY, Hamburg and Zeuthen)
Review of diffractive and exclusive measurements from ATLAS
ATL-PHYS-PROC-2016-212. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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5460.
Simulation of Top Quark Production for the ATLAS Experiment / Connelly, Ian (School of Physics and Astronomy, University of Manchester)
The Monte Carlo setups used by ATLAS to model the $t\bar{t}$ and single-top production in 13 TeV pp collisions are described. [...]
ATL-PHYS-PROC-2016-211. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5461.
Jet suppression measurement with the ATLAS detector / Slovak, Radim (Charles University in Prague, Faculty of Mathematics and Physics)
A hot medium with a high density of unscreened color charges is produced in relativistic heavy ion collisions. [...]
ATL-PHYS-PROC-2016-210. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5462.
Getting the Most from Distributed Resources With an Analytics Platform for ATLAS Computing Services / Vukotic, Ilija (University of Chicago, Enrico Fermi Institute) ; Gardner, Robert (University of Chicago, Enrico Fermi Institute) ; Bryant, Lincoln (University of Chicago, Enrico Fermi Institute)
To meet a sharply increasing demand for computing resources for LHC Run 2, ATLAS distributed computing systems reach far and wide to gather CPU resources and storage capacity to execute an evolving ecosystem of production and analysis workflow tools. [...]
ATL-SOFT-PROC-2016-009. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5463.
Test of CP Violation on $b\bar{b}$ pairs from top quark decay / Kempster, Jacob Julian (Department of Physics, Royal Holloway and Bedford New College)
Top pair events provide a source of $b\bar{b}$ pairs, which can be used to probe CP violation in heavy-flavour mixing and decay. [...]
ATL-PHYS-PROC-2016-209. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5464.
ATLAS Pixel Detector Design For HL-LHC / Smart, Ben (LAPP, Universite Savoie Mont Blanc, CNRS/IN2P3, Annecy-le-Vieux)
The ATLAS Inner Detector will be replaced for the High-Luminosity LHC (HL-LHC) running in 2026. [...]
ATL-ITK-PROC-2016-002. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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5465.
The Upgraded Pixel Detector of the ATLAS Experiment for Run-2 at the LHC / Giordani, Mario Paolo (INFN Gruppo Collegato di Udine and Universita' di Udine, Dipartimento di Chimica, Fisica e Ambiente)
Run-2 of the LHC is providing new challenges to track and vertex reconstruction with higher energies, denser jets and higher rates. [...]
ATL-INDET-PROC-2016-009. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5466.
Measurement of the total cross section at 8 TeV and the inelastic cross section at 13 TeV at the LHC with the ATLAS detector / Stenzel, Hasko (II Physikalisches Institut, Justus-Liebig-Universitaet Giessen)
New measurements from ATLAS at the LHC are presented on the total cross section at $\sqrt{s}=8$ TeV from elastic scattering using the ALFA sub-detector and on the inelastic cross section at $\sqrt{s}=13$ TeV using the MBTS sub-detector..
ATL-PHYS-PROC-2016-208. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5467.
Charged particle production in p+Pb collisions measured by the ATLAS detector / Shulga, Evgeny (National Research Nuclear University MEPhI)
Per-event charged particle spectra and nuclear modification factors are measured with the ATLAS detector at the LHC in p+Pb interactions at $\sqrt{s_{NN}}$ = 5.02 TeV. [...]
ATL-PHYS-PROC-2016-207. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5468.
Search for dark matter in pp collisions at ATLAS / Schramm, Steven (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
Dark Matter comprises approximately 27% of the universe yet little is known about its properties. [...]
ATL-PHYS-PROC-2016-206. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5469.
Modelling of top quark pairs production in association with Standard Model bosons or heavy quark pairs. / Moreno Llacer, Maria (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
Production of top quark pairs in association with heavy Standard Model bosons or with heavy flavour quark-pairs is important both as a signal and a background in several ATLAS analyses. [...]
ATL-PHYS-PROC-2016-205. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5470.
Minimum Bias Measurements at the LHC / Kar, Deepak (School of Physics, University of the Witwatersrand)
Inclusive charged particle measurements at hadron colliders probe the low-energy nonperturbative region of QCD. [...]
ATL-PHYS-PROC-2016-204. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5471.
Dijet asymmetries in Pb+Pb and pp collisions with the ATLAS detector / Havener, Laura Brittany (Nevis Laboratory, Columbia University)
The phenomenon of events containing highly asymmetric dijet pairs is one of the most striking results in heavy ion physics. [...]
ATL-PHYS-PROC-2016-240. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5472.
Inelastic proton cross section at 13 TeV with ATLAS / Myska, Miroslav (Czech Technical University in Prague, Inst. of Exp. and Applied Physics, Fac. of Nuclear Sciences and Physical Engineering, Fac. of Mechanical Engineering, Fac. of Transportation Sciences)
The recent measurement of the inelastic cross section at 13 TeV with the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2016-239. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5473.
Measurement of the Jet Mass Scale and Resolution for Large Radius Jets at $\sqrt (s) = 8$~TeV using the ATLAS Detector / Nayyar, Ruchika (University of Arizona)
A measurement of the jet mass scale and jet mass resolution uncertainty for large radius jets using the full
ATL-PHYS-PROC-2016-238. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5474.
Search for single production of vector-like quarks decaying into a W-boson and a b-quark at 13 TeV / Biedermann, Dustin (Humboldt University Berlin)
A search for singly-produced vector-like quarks $Q$, where $Q$ can be either a $T$ quark with charge $2/3$ or a $Y$ quark with charge $-4/3$, is performed in $3.2$ fb$^{-1}$ of proton-proton collision data at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2016-237. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5475.
Why stop at two tops? / Deterre, Cecile (DESY, Hamburg and Zeuthen)
An analysis is presented of events containing jets including at least one $b$-tagged jet, sizable missing transverse momentum, and at least two charged leptons including a pair of the same electric charge, with the scalar sum of the jet and lepton transverse momenta being large. [...]
ATL-PHYS-PROC-2016-236. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5476.
Femtoscopy in $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV $p$-Pb collisions with \it{ATLAS} / Clark, Michael (Nevis Laboratory, Columbia University)
Bose-Einstein correlations between identified charged pions are measured for $p$+Pb collisions at $\sqrt{s_\mathrm{NN}}=5.02$ TeV with the ATLAS detector using a total integrated luminosity of 28 nb$^{-1}$. [...]
ATL-PHYS-PROC-2016-234 ; ATL-PHYS-PROC-2016-235. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Original Communication (restricted to ATLAS) - ATL-PHYS-PROC-2016-235 - Full text - ATL-PHYS-PROC-2016-234 - Fulltext from EPJConf
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5477.
FTK: The hardware Fast TracKer of the ATLAS experiment at CERN / Maznas, Ioannis (Aristotle University of Thessaloniki)
In the ever increasing pile-up of the Large Hadron Collider environment the trigger systems of the experiments have to be exceedingly sophisticated and fast at the same time in order to increase the rate of relevant physics processes with respect to background processes. [...]
ATL-DAQ-PROC-2016-033. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - EPJ Open Access Article
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5478.
First test beam results of prototype modules for the upgrade of the ATLAS strip tracking detector / Kuehn, Susanne (CERN)
The LHC is foreseen to be upgraded to the High-Luminosity LHC (HL-LHC). [...]
ATL-ITK-PROC-2016-005. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5479.
Femtoscopy in $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV $p$-Pb collisions with \bf{\it{ATLAS}} / Clark, Michael (Nevis Laboratory, Columbia University)
Bose-Einstein correlations between identified charged pions are measured for $p$+Pb collisions at $\sqrt{s_\mathrm{NN}}=5.02$ TeV with the ATLAS detector using a total integrated luminosity of 28 nb$^{−1}$. [...]
ATL-PHYS-PROC-2016-234. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5480.
The $X(3872)$ and the search for its bottomonium counterpart at the LHC / Toms, Konstantin (University of New Mexico)
We present results on $X(3872)$ particle studies at three LHC experiments: ATLAS, CMS, and LHCb. [...]
ATL-PHYS-PROC-2016-233. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5481.
The ATLAS Fast Tracker and Tracking at the High-Luminosity LHC / Ilic, Nikolina (Stanford University)
The LHC’s increase in centre of mass energy and luminosity in 2015 makes controlling trigger rates with high efficiency challenging. [...]
ATL-DAQ-PROC-2016-032. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5482.
Readout and Trigger for the AFP Detector at ATLAS Experiment / Kocian, Martin (SLAC National Accelerator Laboratory)
AFP, the ATLAS Forward Proton consists of silicon detectors at 205 m and 217 m on each side of ATLAS. [...]
ATL-DAQ-PROC-2016-031. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5483.
Physics objects for top quark physics in ATLAS / Hawkings, Richard John (CERN)
Top quark physics measurements performed using data from the ATLAS detector at the LHC rely on efficient reconstruction and precise calibration of leptons, jets and missing transverse energy. [...]
ATL-PHYS-PROC-2016-232. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5484.
ATLAS Tracker and Pixel Operational Experience / Robinson, Dave (Cavendish Laboratory, University of Cambridge)
The tracking performance of the ATLAS detector relies critically on the silicon and gaseous tracking subsystems that form the ATLAS Inner Detector. [...]
ATL-INDET-PROC-2016-011. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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5485.
Studies of ageing effects of Small-Strip Thin Gap Chambers for the Muon Spectrometer Upgrade of the ATLAS Experiment / Gignac, Matthew (Department of Physics, University of British Columbia)
The instantaneous luminosity of the Large Hadron Collider at CERN will be increased by up to seven times its design value by undergoing an extensive upgrade program over the coming decade. [...]
ATL-MUON-PROC-2016-009. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5486.
ALFA detector before LHC Run 2 / Vorobel, Vit (Charles University in Prague, Faculty of Mathematics and Physics)
The operation experience with ATLAS ALFA detectors in the LHC environment during the Run1 period has shown significant beam-induced heating [...]
ATL-FWD-PROC-2016-002. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5487.
Tau Lepton Reconstruction in ATLAS / Galea, Cristina (Radboud University Nijmegen and NIKHEF)
Tau leptons play a key role in many measurements and searches within and beyond the Standard Model of particle physics performed at the LHC. [...]
ATL-PHYS-PROC-2016-231. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5488.
Photon and electron identification with the ATLAS detector / Cerda Alberich, Leonor (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The identification of prompt photons and the rejection of background, originating mostly from photons from hadron decays, relies on the high granularity of the ATLAS calorimeter. [...]
ATL-PHYS-PROC-2016-230. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5489.
The ATLAS Fast Tracker Processing Units - track finding and fitting / ATLAS Collaboration
The Fast Tracker is a hardware upgrade to the ATLAS trigger and data-acquisition system, with the goal of providing global track reconstruction by the start of the High Level Trigger starts. [...]
ATL-DAQ-PROC-2016-030. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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5490.
Tracking properties of the ATLAS Transition Radiation Tracker (TRT) / Krasnopevtsev, Dimitrii (National Research Nuclear University MEPhI (RU))
The tracking performance parameters of the ATLAS Transition Radiation Tracker (TRT) as part of the ATLAS Inner Detector (ID) are described for different data taking conditions in proton-proton collisions at the Large Hadron Collider (LHC). [...]
ATL-INDET-PROC-2016-010. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5491.
Electroweak production of single {\em W} and {\em Z} bosons in ATLAS and CMS / Leite, Marco Aurelio Lisboa (Instituto de Fisica, Universidade de Sao Paulo)
Results on the production of single {\em Z} and {\em W} bosons with two jets at high invariant mass at a centre-of-mass energy of 8 TeV are presented using data corresponding to 20.3 fb$^\mathrm{-1}$. [...]
ATL-PHYS-PROC-2016-229. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5492.
Composition of the ATLAS Collaboration / Pater, Joleen (School of Physics and Astronomy, University of Manchester)
The ATLAS collaboration consists of about 5,000 members from 178 institutes in 38 countries. [...]
ATL-OREACH-PROC-2016-007. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5493.
The ATLAS Fast Tracker Processing Units - input and output data preparation / Bolz, Arthur (Heidelberg U.) ; Adelman, Jahred (Northern Illinois University) ; Anderson, John Thomas (Argonne National Laboratory) ; Armbruster, Aaron James (Stanford University) ; Asbah, Nedaa (DESY, Hamburg and Zeuthen) ; Blair, Robert (Argonne National Laboratory) ; Brost, Elizabeth (Northern Illinois University) ; Drake, Gary (Argonne National Laboratory) ; Gkaitatzis, Stamatios (Aristotle University of Thessaloniki) ; Iizawa, Tomoya (Waseda University, Waseda Research Institute for Science and engineering (WISE)) et al.
The ATLAS Fast TracKer(FTK) is a custom hardware system for fast, associative memory based track reconstruction. [...]
ATL-DAQ-PROC-2016-029. - SISSA, 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text - PoS server
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5494.
Charm-Hadron Production at Hadron Colliders / Watson, Miriam (Birmingham U.)
Recent results on charm hadron production are presented, using data recorded in proton-proton collisions at the Large Hadron Collider and in proton-antiproton collisions at the Tevatron. [...]
ATL-PHYS-PROC-2016-228. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5495.
Jets and charged particles in p+Pb and Pb+Pb collisions with the ATLAS Experiment / Spousta, Martin (Charles University, Faculty of Mathematics and Physics, Prague)
In these proceedings we summarize measurements by the ATLAS experiment related to jets and high-pT charged particles in proton-lead and lead-lead collisions from run 1 of the LHC. [...]
ATL-PHYS-PROC-2016-227. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5496.
Determination of the Higgs boson properties with the ATLAS detector / Laforge, Bertrand (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), UPMC, Universite Paris-Diderot, CNRS/IN2P3)
With the increase of proton-proton collision center of mass energy from 7-8 TeV to 13 TeV, LHC run 2 will provide a higher sensitivity to Higgs boson physics than run 1. [...]
ATL-PHYS-PROC-2016-226. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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5497.
Top quark properties using the ATLAS detector at the LHC / Costa, Maria Jose (Valencia U., IFIC)
The latest measurements of the properties of the top quark using the ATLAS experiment are presented. [...]
ATL-PHYS-PROC-2016-225. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5498.
ATLAS detector upgrade prospects / Dobre, Monica (IFIN-HH (RO))
After the successful operation at the centre-of-mass energies of 7 and 8 TeV in 2010-2012, the LHC is ramped up and successfully took data at the centre-of-mass energies of 13 TeV in 2015. [...]
ATL-PHYS-PROC-2016-224. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5499.
Boosted $H\rightarrow b \bar{b}$ Tagger in Run II / Sahinsoy, Merve (Kirchhoff-Institut f\"{u}r Physik)
Many searches for Higgs bosons decaying to b quark pairs benefit from the increased Run II centre of mass energy by exploiting the large transverse momentum (boosted) Higgs boson regime, where the two b-jets are merged into one large radius jet. [...]
ATL-PHYS-PROC-2016-223. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5500.
Level-1 Data Driver Card of the ATLAS New Small Wheel upgrade compatible with the Phase II 1 MHz readout scheme / Gkountoumis, Panagiotis (National Technical University of Athens ; Brookhaven) ; Alexopoulos, T (National Technical University of Athens ; Brookhaven)
The Level-1 Data Driver Card (L1DDC) will be designed for the needs of the future upgrades of the innermost stations of the ATLAS end-cap muon spectrometer. [...]
ATL-MUON-PROC-2016-010. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5501.
Development of ATLAS Liquid Argon Calorimeter front-end electronics for the HL-LHC / Liu, Tiankuan (Southern Methodist U.)
The high-luminosity phase of the Large Hadron Collider will provide 5–7 times greater luminosities than assumed in the original detector design. [...]
arXiv:2009.07129 ; ATL-LARG-PROC-2016-004. - 2017-01-31. - 9 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext
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5502.
Searches for flavour changing neutral currents in the top sector / Araque, Juan Pedro (Laboratorio de Instrumenta\c{c}\~ao e F\i sica Experimental de Part\i culas)
Flavour Changing Neutral Current (FCNC) processes are forbidden at tree level in the Standard Model and highly suppressed at higher orders. [...]
arXiv:1611.09057. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Preprint - Fulltext
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5503.
Overview of the vector-like quark searches with the LHC data collected by the ATLAS detector / Araque, Juan Pedro (Laboratorio de Instrumenta\c{c}\~ao e F\i sica Experimental de Part\i culas)
In 2012 the discovery of the Higgs boson by the ATLAS and CMS collaborations set a milestone in particle physics finding the missing piece of the Standard Model. [...]
ATL-PHYS-PROC-2016-246. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5504.
Measurement of the Higgs Boson Couplings and CP Structure Using Tau Leptons at the LHC / Zanzi, Daniele (ARC, CoEPP, Melbourne)
Results on the $H\to\tau\tau$ measurements performed by the ATLAS and CMS collaborations with the $pp$ collision data collected at the LHC at $\sqrt{s}=7$ and 8 TeV are presented. [...]
ATL-PHYS-PROC-2016-245 ; arXiv:1703.10259. - 2017-06-22. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext
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5505.
The ATLAS Trigger Algorithms for General Purpose Graphics Processor Units / Tavares Delgado, Ademar (Laboratorio de Instrumenta\c{c}\~ao e F\i sica Experimental de Part\i culas) ; Emeliyanov, Dmitry (Rutherford Appleton Laboratory)
The ATLAS Trigger Algorithms for General Purpose Graphics Processor Units Type: Talk Abstract: We present the ATLAS Trigger algorithms developed to exploit General­ Purpose Graphics Processor Units. [...]
ATL-DAQ-PROC-2016-035. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5506.
Top quark property measurements in single top / Jimenez Pena, Javier (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
A review of the recent results on measurements of top quark properties in single top quark processes, performed at the LHC by ATLAS and CMS is presented. [...]
ATL-PHYS-PROC-2016-244 ; arXiv:1611.10049. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text - SLAC server - Preprint
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5507.
Fast pattern recognition with the ATLAS L1Track trigger for HL-LHC / Martensson, Mikael (Uppsala University, Department of Physics and Astronomy)
A fast hardware based track trigger is being developed in ATLAS for the High Luminosity upgrade of the Large Hadron Collider. [...]
ATL-DAQ-PROC-2016-034. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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5508.
Recent results and highlights from the ATLAS experiment / Caforio, Davide (Czech Technical University in Prague, Inst. of Exp. and Applied Physics, Fac. of Nuclear Sciences and Physical Engineering, Fac. of Mechanical Engineering, Fac. of Transportation Sciences)
After a 2-year stop for the upgrade of the detector, since 2015 the ATLAS collaboration has collected data for over 20 fb$^{-1}$ at 13 TeV centre-of-mass energy of pp collisions at the LHC. [...]
ATL-PHYS-PROC-2016-243. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5509.
Overview of top quark physics at ATLAS / Finelli, Kevin Daniel (University of Sydney)
Analyses of top quark pair production, single top production, and measurements of top quark properties are presented, showing the scope of recent ATLAS activities in the field. [...]
ATL-PHYS-PROC-2016-242. - 2016. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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5510.
Measurement of cross sections and couplings of the SM Higgs boson in the $ZZ^*$ decay channel using the ATLAS detector / Aperio Bella, Ludovica (CERN)
These proceedings contain several preliminary results on the properties of the Higgs boson decaying to four leptons final state using $14.8$~fb$^{-1}$ of integrated luminosity collected in $pp$ collisions by the ATLAS detector at the LHC at a centre-of-mass energy of 13~TeV~\cite{Run2Note}. [...]
ATL-PHYS-PROC-2016-241. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5511.
Integration of ROOT notebook as an ATLAS analysis web-based tool in outreach and public data release projects / Sanchez Pineda, Arturo (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli)
Integration of the ROOT data analysis framework with the Jupyter Notebook technology presents the potential of enhancement and expansion of educational and training programs. [...]
ATL-SOFT-PROC-2016-011. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5512.
Measurement of top quark pair differential cross-sections in the dilepton channel in $pp$ collisions at $\sqrt{s} =$ 7 and 8 TeV with ATLAS / Kawade, Kentaro (Nagoya U.) ; Lie, Ki (Illinois U., Urbana)
Measurements of normalized differential cross-sections of top quark pair ($t\bar t$) production are presented as a function of the mass, the transverse momentum and the rapidity of the $t\bar t$ system in proton-proton collisions at center-of-mass energies of $\sqrt{s}$ = 7 TeV and 8 TeV. [...]
ATL-PHYS-PROC-2016-252 ; arXiv:1612.01788. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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5513.
The Phase-II ATLAS Pixel Tracker Upgrade: Layout and Mechanics / Sharma, Abhishek (CERN)
In early 2017 a new layout will be decided for the ATLAS experiment as it undergoes an upgrade of its tracking detector during the Phase-II LHC shutdown, to better take advantage of the increased luminosity of the HL-LHC. [...]
ATL-ITK-PROC-2016-007. - 2017. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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5514.
Social Media strategy for the ATLAS experiment / Nellist, Clara (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) ; Goldfarb, Steven (ARC Centre of Excellence in Particle Physics at the Terascale, School of Physics, The University of Melbourne) ; Shaw, Kate (INFN Gruppo Collegato di Udine and ICTP, Trieste) ; Thais, Savannah Jennifer (Yale University)
The ATLAS collaboration uses various social media platforms primarily as a method to communicate the research and achievements of the collaboration to a wider public audience. [...]
ATL-OREACH-PROC-2016-008. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5515.
An Associative Memory Chip for the Trigger System of the ATLAS Experiment / Shojaii, Seyed Ruhollah (INFN Milano and Universita' di Milano, Dipartimento di Fisica) ; Liberali, Valentino (INFN Milano and Universita' di Milano, Dipartimento di Fisica) ; Crescioli, Francesco (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), UPMC, Universite Paris-Diderot, CNRS/IN2P3) ; Beretta, Matteo (INFN Laboratori Nazionali di Frascati) ; Frontini, Luca (INFN Milano and Universita' di Milano, Dipartimento di Fisica) ; Annovi, Alberto (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Stabile, Alberto (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
The AM06 is the 6th version of a large associative memory chip designed in 65 nm CMOS tech- nology. [...]
ATL-DAQ-PROC-2016-036. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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5516.
The ATLAS Tile Calorimeter DCS for Run 2 / Pedro Martins, Filipe Manuel (Laboratorio de Instrumenta\c{c}\~ao e F\i sica Experimental de Part\i culas)
TileCal is one of the ATLAS sub-detectors operating at the Large Hadron Collider (LHC), which is taking data since 2010. [...]
ATL-TILECAL-PROC-2016-011. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5517.
Electronics Design and System Integration of the ATLAS New Small Wheels / Gkountoumis, Panagiotis (National Technical University of Athens)
The upgrades of the LHC accelerator and the experiments in 2019/20 and 2024/26 will allow to increase the luminosity to L = 2 1034 cm
ATL-MUON-PROC-2016-012. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5518.
H+ searches in ATLAS, part 2 / Mir, Lluisa-Maria (Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Barcelona, Spain)
A search for charged Higgs bosons decaying to a top quark and a bottom quark is presented. [...]
ATL-PHYS-PROC-2016-251. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5519.
Studies of MicroMeGas Chambers for the New Small Wheel using Cosmic Muons / Klapdor-kleingrothaus, Thorwald (Albert-Ludwigs-Universitaet Freiburg) ; Zimmermann, Stephanie (Albert-Ludwigs-Universitaet Freiburg) ; Landgraf, Ulrich (Albert-Ludwigs-Universitaet Freiburg)
Micromesh Gaseous Detectors (MicroMeGas) will be implemented in the ATLAS detector in the framework of the New Small Wheel Upgrade during the long shut down II in 2019/20. [...]
ATL-MUON-PROC-2016-011. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5520.
An IPMI-compliant control system for the ATLAS TileCal Phase-II Upgrade PreProcessor module / Zuccarello, Pedro Diego (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Carrio Argos, Fernando (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Valero, Alberto (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
Abstract–The electronics of the hadronic calorimeter of the ATLAS detector (TileCal) is being redesigned as part of the works that will lead to the High Luminosity Large Hadron Collider (HL-LHC). [...]
ATL-TILECAL-PROC-2016-010. - 2016. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5521.
Modelling Wt and tWZ production at NLO for ATLAS analyses / Bessidskaia Bylund, Olga (Stockholm University)
The generation of single top production in the Wt channel at NLO gives rise to doubly-resonant diagrams that overlap with tt, and similarly for associated production with a Z or Higgs boson. [...]
ATL-PHYS-PROC-2016-250. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5522.
The Phase II ATLAS Pixel Upgrade: The Inner Tracker (ITk) / Flick, Tobias (Bergische Universitaet Wuppertal, Fakultaet fuer Mathematik und Naturwissenschaften) ; ATLAS Collaboration
The entire tracking system of the ATLAS experiment will be replaced during the LHC Phase II shutdown (foreseen to take place around 2025) by an all-silicon detector called the ITk (Inner Tracker). [...]
ATL-ITK-PROC-2016-006. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5523.
ATLAS IBL operational experience / Takubo, Yosuke (KEK, High Energy Accelerator Research Organization)
The Insertable B-Layer (IBL) is the inner most pixel layer in the ATLAS experiment, which was installed at 3.3 cm radius from the beam axis in 2014 to improve the tracking performance. [...]
ATL-INDET-PROC-2016-012. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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5524.
Measurements of the charge asymmetry in top-quark pair production in the dilepton final state at $\sqrt{s}=8$ TeV with the ATLAS detector / Naranjo Garcia, Roger Felipe (DESY, Hamburg and Zeuthen)
Measurements of the top--antitop quark pair production charge asymmetry in the dilepton channel, characterized by two high-${p}_{\rm{T}}$ leptons (electrons or muons), are presented using data corresponding to an integrated luminosity of 20.3 $\textrm{fb}^{-1}$ from $pp$ collisions at a center-of-mass energy $\sqrt{s} = 8$~TeV collected with the ATLAS detector at the Large Hadron Collider at CERN. [...]
ATL-PHYS-PROC-2016-249. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5525.
$t\bar{t}+V$ production in ATLAS / Moreno Llacer, Maria (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
The latest ATLAS results for processes with a top quark pair and an associated vector boson are presented here. [...]
ATL-PHYS-PROC-2016-248. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5526.
Strip Detector for the ATLAS Detector Upgrade for the High - Luminosity LHC / Sperlich, Dennis (Humboldt University Berlin)
The planned HL-LHC (High Luminosity LHC) in 2025 is being designed to maximise the physics potential of the LHC through a sizeable increase in the luminosity, reaching 1*10^35 cm2s-1 after 10 years of operation. [...]
ATL-ITK-PROC-2016-011. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5527.
The Run-2 ATLAS Trigger System: Design, Performance and Plan / zur Nedden, Martin (Humboldt University Berlin)
In high-energy physics experiments, online selection is crucial to select interesting collisions from the large data volume. [...]
ATL-DAQ-PROC-2016-039. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5528.
Construction and QA/QC of the Micromegas Pavia Readout Panels for the Muon Spectrometer Upgrade of the ATLAS New Small Wheel / Kourkoumeli-Charalampidi, Athina (INFN Pavia and Universita' di Pavia, Dipartimento di Fisica) ; Gaudio, Gabriella (INFN Pavia and Universita' di Pavia, Dipartimento di Fisica) ; Introzzi, Gianluca (INFN Pavia and Universita' di Pavia, Dipartimento di Fisica)
In order to cope with the required precision tracking and trigger capabilities from Run III onwards in the ATLAS experiment, the innermost layer of the Muon Spectrometer endcap (Small Wheels) will be upgraded. [...]
ATL-MUON-PROC-2016-014. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5529.
Module and Electronics Developments for the ATLAS ITK Pixel System / Nellist, Clara (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay)
ATLAS is preparing for an extensive modification of its detector in the course of the planned HL-LHC accelerator upgrade around 2025 which includes a replacement of the entire tracking system by an all-silicon detector (Inner Tracker, ITk). [...]
ATL-ITK-PROC-2016-010. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5530.
Precision measurements and searches with single and multiple gauge bosons with the ATLAS detector / Soldatov, Evgeny (Moscow Phys. Eng. Inst.)
The ATLAS collaboration has carried out a set of measurements at center-of-mass energies of 8 TeV and 13 TeV, which provide stringent tests of the electroweak sector of the Standard Model, specifically on single, di- and multi-boson production cross sections.This paper gives a review of the latest results on these topics from ATLAS. [...]
ATL-PHYS-PROC-2016-258. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5531.
Precise determination of the muon reconstruction efficiency in ATLAS at Run-II / Sampsonidou, Despoina (Aristotle U., Thessaloniki)
In Run-2 of the LHC, the ATLAS experiment reconstruction algorithm has been improved and extended compared to the one used in Run-1. [...]
ATL-MUON-PROC-2016-013. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Fulltext - Full text
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5532.
Evolution of user analysis on the grid in ATLAS / Legger, Federica (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Dewhurst, Alastair (Rutherford Appleton Laboratory)
More than one thousand physicists analyse data collected by the ATLAS experiment at the Large Hadron Collider (LHC) at CERN through 150 computing facilities around the world. [...]
ATL-SOFT-PROC-2016-012. - 2017. - 7 p..
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5533.
Measurement of the WZ boson pair production cross section at 13 TeV and confidence intervals on anomalous triple gauge couplings with the ATLAS detector / Iliadis, Dimitrios (Aristotle University of Thessaloniki)
The $WZ$ boson pair production at 13 TeV is measured using the ATLAS detector. [...]
ATL-PHYS-PROC-2016-257. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text - EPJ Open Access article
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5534.
The ATLAS tracker strip detector for HL-LHC / Cormier, Kyle James Read (Department of Physics, University of Toronto)
As part of the ATLAS upgrades for the High Luminsotiy LHC (HL-LHC) the current ATLAS Inner Detector (ID) will be replaced by a new Inner Tracker (ITk). [...]
ATL-ITK-PROC-2016-009. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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5535.
The ITk Strip Tracker for the phase-II upgrade of the ATLAS detector of the HL-LHC / Koutoulaki, Afroditi (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef ; CERN)
The current Inner Detector in the ATLAS experiment does not meet the requirements of the High Luminosity-LHC upgrade. [...]
ATL-ITK-PROC-2016-008. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text - JINST OA article
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5536.
Search for scalar leptoquarks at $\sqrt{s} = 13~\mathrm{TeV}$ with ATLAS / Pleskot, Vojtech (Institut fuer Physik, Universitaet Mainz)
Pair-produced scalar leptoquarks were sought in proton-proton collisions at a center-of-mass energy of 13 TeV by the ATLAS experiment. [...]
ATL-PHYS-PROC-2016-256. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5537.
$J/\psi$ and $\psi(2S)$ production in pp and PbPb collisions at 5.02 TeV with ATLAS / Tapia Araya, Sebastian (Universidad Tecnica Federico Santa Maria)
A measurement of $J/\psi$ and $\psi(2S)$ production is presented. [...]
ATL-PHYS-PROC-2016-255. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5538.
Input Mezzanine Card for the Fast Tracker at ATLAS / Iizawa, Tomoya (Waseda University, Waseda Research Institute for Science and engineering (WISE))
The Fast Tracker is an integral part of trigger upgrade program for the ATLAS experiment. [...]
ATL-DAQ-PROC-2016-038. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5539.
Latest ATLAS results from Run 2 / Gemme, Claudia (INFN Genova and Universita' di Genova, Dipartimento di Fisica)
After the fi rst LHC long shutdown with upgrades to the machine and the detectors, since 2015 the ATLAS experiment recorded more than 30 fb-1 of integrated luminosity of pp collision data at 13 TeV centre- of-mass energy. [...]
ATL-PHYS-PROC-2016-254. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5540.
Latest Frontier Technology and Design of the ATLAS Calorimeter Trigger Board Dedicated to Jet Identification for the LHC Run 3 / ATLAS Collaboration
To cope with the enhanced luminosity of the beam delivered by the Large Hadron Collider (LHC) in 2020, the A Thoroidal LHC ApparatuS (ATLAS) experiment has planned a major upgrade. [...]
ATL-DAQ-PROC-2016-037. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5541.
Boosted top: new algorithms and perspectives / Caudron, Julien (University of Bonn)
Studies of the boosted sector in top-quark physics have known a fast-growing development with the arrival of high-energy data at LHC. [...]
ATL-PHYS-PROC-2016-253. - 2016. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5542.
Description of the Tile Calorimeter noise with increasing Pile-up for $\sqrt{s}=7\,\rm{TeV}$ data collected during 2011
In this note the noise in the Tile calorimeter is investigated with special attention to the pile-up effect. [...]
ATL-TILECAL-PUB-2016-001. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5543.
Searches for ttH (Multilepton+Diphoton) Production in ATLAS / Sopczak, Andre (Czech Technical University in Prague, Inst. of Exp. and Applied Physics, Fac. of Nuclear Sciences and Physical Engineering, Fac. of Mechanical Engineering, Fac. of Transportation Sciences)
After the discovery of a Higgs boson, the measurements of its properties are at the forefront of research. [...]
ATL-PHYS-PROC-2016-277. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5544.
Development, validation and integration of the ATLAS Trigger System software in Run 2 / Keyes, Robert (McGill University, Department of Physics)
The trigger system of the ATLAS detector at the LHC is a combination of hardware, firmware, and software, associated to various sub-detectors that must seamlessly cooperate in order to select one collision of interest out of every 40,000 delivered by the LHC every millisecond. [...]
ATL-DAQ-PROC-2016-040. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5545.
Review of top quark production at LHC and Tevatron / Kawade, Kentaro (Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University)
A summary of recent results on top quark production at LHC and Tevatron are presented in this paper. [...]
ATL-PHYS-PROC-2016-267. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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5546.
Measurement of the nuclear modification factor for high-$p_\mathrm{T}$ charged hadrons in p+Pb collisions with the ATLAS detector / Balek, Petr (Department of Particle Physics, The Weizmann Institute of Science)
The charged hadron spectra in p+Pb and pp collisions at $\sqrt{s}=5.02$TeV are measured with the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2016-266. - 2016. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5547.
The ATLAS RunTimeTester
The ATLAS RunTimeTester is a job based software test system. [...]
ATL-SOFT-PUB-2016-002. - 2016. - 45 p.
Original Communication (restricted to ATLAS) - Full text
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5548.
Performance of the ATLAS detector in Run-2 / ATLAS Collaboration
The 2nd LHC run has started in June 2015 with a pp centre-of-mass collision energy of 13 TeV and ATLAS has taken 3.2 fb-1 of data at the new energy in 2015. [...]
ATL-PHYS-PROC-2016-265. - 2016. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5549.
Overview of ATLAS results / Grabowska-Bold, Iwona (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
The heavy-ion programme in the ATLAS experiment at the Large Hadron Collider aims to probe and characterise hot and dense matter created in relativistic lead-lead collisions. [...]
ATL-PHYS-PROC-2016-264. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5550.
Overview of Exotic Physics at ATLAS / Li, Shu (Duke University, Department of Physics)
Proceeding for the conference plenary talk at HEPMAD16, Madagascar on the topic of "Overview of Exotic Physics at ATLAS" (ATL-PHYS-SLIDE-2016-807 https://cds.cern.ch/record/2225222) Deadline: 16/12/2016 (could be postponed for some days later upon request as recently suggested by the conference organizer)
ATL-PHYS-PROC-2016-263. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5551.
Light-by-light scattering in ultra-peripheral Pb+Pb collisionsat $\sqrt{s_{NN}}$ = 5.02 TeV with the ATLAS detector / Janus, Piotr Andrzej (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Light-by-light scattering ($\gamma\gamma\rightarrow\gamma\gamma$) is a quantum-mechanical process that is forbidden in the classical theory of electrodynamics. [...]
ATL-PHYS-PROC-2016-262. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5552.
ElectroWeak Bosons Couplings / Ouraou, Ahmimed (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay)
Latest results on the measurement of gauge boson couplings, from ATLAS and CMS at the LHC, are presented. [...]
ATL-PHYS-PROC-2016-261. - 2016. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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5553.
Measurement of the W Boson Mass in Proton-Proton Collisions at s = 7 TeV with the ATLAS Detector
A measurement of the mass of the $W$ boson is presented based on proton--proton collision data recorded in 2011 at a centre-of-mass energy of 7 TeV with the ATLAS detector at the LHC, and corresponding to 4.6 fb$^{-1}$ of integrated luminosity. [...]
ATLAS-CONF-2016-113. - 2016. - 90 p.
Original Communication (restricted to ATLAS) - Full text
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5554.
Higgs boson measurements at ATLAS / Hays, Chris (University of Oxford, Particle Physics)
A comprehensive set of Higgs boson measurements has been performed in pp collisions produced by the Large Hadron Collider at centre-of-mass energies of 7 and 8 TeV, and the results combined between the ATLAS and CMS experiments. [...]
ATL-PHYS-PROC-2016-260. - 2016. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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5555.
Measurement of azimuthal flow of soft and high-$p_{\mathrm{T}}$ charged particles in 5.02 TeV Pb+Pb collisions with the ATLAS detector / Burka, Klaudia (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
The experimental data collected by the ATLAS experiment during the 2015 heavy ion LHC run offers new opportunities to study properties of Quark-Gluon Plasma at unprecedented high temperatures and densities. [...]
ATL-PHYS-PROC-2016-259. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5556.
Upgrade of the ATLAS Liquid Argon Calorimeters for the High-Luminosity LHC / McCarthy, Tom (Max-Planck-Institut fuer Physik)
The increased particle flux at the high luminosity phase of the Large Hadron Collider (HL-LHC), with instantaneous luminosities of up to 7.5 times the original design value, will have an impact on many sub-systems of the ATLAS detector. [...]
ATL-LARG-PROC-2016-005. - 2016. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5557.
Deploying the ATLAS Metadata Interface (AMI) on the cloud with Jenkins. / Lambert, Fabian (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Odier, Jerome (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Fulachier, Jerome (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) - Author Author
The ATLAS Metadata Interface (AMI) is a mature application of more than 15 years of existence. [...]
ATL-SOFT-PROC-2016-014. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text
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5558.
The ATLAS IBL CO2 Cooling System / Verlaat, Bartholomeus (CERN) ; Ostrega, M. (CERN) ; Zwalinski, L. (CERN) ; Bortolin, C. (CERN) ; Vogt, S. (Munich, Max Planck Inst.) ; Godlewski, J. (Cracow, INP) ; Crespo-Lopez, O. (CERN) ; Van Overbeek, M. (NIKHEF, Amsterdam) ; Blaszcyk, T. (CERN)
The ATLAS Pixel detector has been equipped with an extra B-layer in the space obtained by a reduced beam pipe. [...]
ATL-INDET-PROC-2016-013. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5559.
How to keep the Grid full and working with ATLAS production and physics jobs / ATLAS Collaboration
The ATLAS production system provides the infrastructure to process millions of events collected during the LHC Run 1 and the first two years of Run 2 using grid, clouds and high performance computing. [...]
ATL-SOFT-PROC-2016-013. - 2017.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text
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5560.
The prototype design of gFEX — A component of the L1Calo Trigger for the ATLAS Phase-I upgrade / Chen, Hucheng (Brookhaven Natl. Lab.) ; Begel, Michael (Brookhaven Natl. Lab.) ; Chen, Kai (Brookhaven Natl. Lab.) ; Lanni, Francesco (Brookhaven Natl. Lab.) ; Takai, Helio (Brookhaven Natl. Lab.) ; Tang, Shaochun (Brookhaven Natl. Lab.) ; Wu, Weihao (Brookhaven Natl. Lab.)
The ATLAS experiment will follow the upgrade steps of the Large Hadron Collider (LHC), which will undergo a series of upgrades to increase the luminosity in the next ten years. [...]
ATL-DAQ-PROC-2016-046. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5561.
Multi-threaded algorithms for GPGPU in the ATLAS High Level Trigger / Conde Muíño, Patricia (Laboratorio de Instrumentacao e Fisica Experimental de Particulas (LIP)) ; ATLAS Collaboration
General purpose Graphics Processor Units (GPGPU) are being evaluated for possible future inclusion in an upgraded ATLAS High Level Trigger farm. [...]
ATL-DAQ-PROC-2016-045. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5562.
Frameworks to monitor and predict rates and resource usage in the ATLAS High Level Trigger / Martin, Tim (University of Warwick, Coventry)
The ATLAS High Level Trigger Farm consists of around 40,000 CPU cores which filter events at an input rate of up to 100 kHz. [...]
ATL-DAQ-PROC-2016-044. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5563.
Implementation of the ATLAS trigger within the multi-threaded software framework AthenaMT / Wynne, Benjamin (University of Edinburgh)
We present an implementation of the ATLAS High Level Trigger, HLT, that provides parallel execution of trigger algorithms within the ATLAS multithreaded software framework, AthenaMT. [...]
ATL-DAQ-PROC-2016-043. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5564.
Measurement of long-range particle correlations in small systems with the ATLAS detector / Milov, Alexander (Department of Particle Physics, The Weizmann Institute of Science)
Study of particle correlations is an important instrument to understand the nature of relativistic heavy ion collisions. [...]
ATL-PHYS-PROC-2016-269. - 2016.
Original Communication (restricted to ATLAS) - Full text
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5565.
Standard Model Higgs Results from ATLAS and CMS / Elmsheuser, Johannes (Brookhaven National Laboratory (BNL))
This paper presents an overview of the current status of Higgs boson measurements from the ATLAS and CMS experiments at the LHC. [...]
ATL-PHYS-PROC-2016-278. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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5566.
The new inter process communication middle-ware for the ATLAS Trigger and Data Acquisition system / Kolos, Serguei (University of California, Irvine) ; Hauser, Reiner (Michigan State University, Department of Physics and Astronomy)
The ATLAS Trigger & Data Acquisition (TDAQ) project was started almost twenty years ago with the aim of providing scalable distributed data collection system for the experiment. [...]
ATL-DAQ-PROC-2016-042. - 2016. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5567.
ATLAS TDAQ system administration: Master of Puppets / Lee, Christopher (University of Cape Town) ; Ballestrero, Sergio (University of Johannesburg, Department of Physics) ; Brasolin, Franco (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia) ; Fazio, Daniel (European Laboratory for Particle Physics, CERN) ; Gament, Costin-Eugen (University Politehnica Bucharest) ; Scannicchio, Diana (University of California, Irvine) ; Twomey, Matthew Shaun (Department of Physics, University of Washington, Seattle)
Within the ATLAS detector, the Trigger and Data Acquisition system is responsible for the online processing of data streamed from the detector during collisions at the Large Hadron Collider at CERN. [...]
ATL-DAQ-PROC-2016-041. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text - Full text
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5568.
ATLAS Higgs Physics Prospects at the High Luminosity LHC / Koffas, Thomas (Carleton University)
The High-Luminosity Large Hadron Collider will provide an unprecedented opportunity to study the properties of the Higgs boson and eventually probe for new physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2016-268. - 2016. - 14 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5569.
Volunteer computing experience with ATLAS@Home / Adam-Bourdarios, Claire (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) ; Bianchi, Riccardo-Maria (University of Pittsburgh) ; Cameron, David (University of Oslo) ; Filipčič, Andrej (Jozef Stefan Institute) ; Lançon, Eric (Brookhaven National Laboratory (BNL)) ; Wu, Wenjing (Institute of High Energy Physics, Chinese Academy of Sciences)
ATLAS@Home is a volunteer computing project which allows the public to contribute to computing for the ATLAS experiment through their home or office computers. [...]
ATL-SOFT-PROC-2016-015. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text
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5570.
ATLAS simulation using real data: Embedding and overlay / Haas, Andrew (New York University (US))
For some physics processes studied with the ATLAS detector, a more accurate simulation in some respects can be achieved by including real data into simulated events, with substantial potential improvements in the CPU, disk space, and memory usage of the standard simulation configuration, at the cost of significant database and networking challenges. [...]
ATL-SOFT-PROC-2017-009. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5571.
ATLAS WORLD-cloud and networking in PanDA / Barreiro Megino, Fernando Harald (The University of Texas at Arlington) ; De, Kaushik (The University of Texas at Arlington) ; Di Girolamo, Alessandro (European Laboratory for Particle Physics, CERN) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Walker, Rodney (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
The ATLAS computing model was originally designed as static clouds (usually national or geographical groupings of sites) around the Tier 1 centres, which confined tasks and most of the data traffic. [...]
ATL-SOFT-PROC-2017-008. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5572.
ATLAS Metadata Interface (AMI), a generic metadata framework / Fulachier, Jerome (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Odier, Jerome (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Lambert, Fabian (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC))
The ATLAS Metadata Interface (AMI) is a mature application of more than 15 years of existence. [...]
ATL-SOFT-PROC-2017-007. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5573.
Production experience with the ATLAS Event Service / Benjamin, Douglas (Duke University, Department of Physics) ; Calafiura, Paolo (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Childers, John Taylor (Argonne National Laboratory) ; De, Kaushik (The University of Texas at Arlington) ; Guan, Wen (Department of Physics, University of Wisconsin) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Nilsson, Paul (Brookhaven National Laboratory (BNL)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; van Gemmeren, Peter (Argonne National Laboratory) ; Wenaus, Torre (Brookhaven National Laboratory (BNL))
The ATLAS Event Service (AES) has been designed and implemented for efficient running of ATLAS production workflows on a variety of computing platforms, ranging from conventional Grid sites to opportunistic, often short-lived resources, such as spot market commercial clouds, supercomputers and volunteer computing. [...]
ATL-SOFT-PROC-2017-006. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text
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5574.
Top Quark Properties Measurements with the ATLAS Detector / Limosani, Antonio (University of Sydney)
The top quark is unique among the known quarks in that it decays before it has an opportunity to form hadronic bound states [...]
ATL-PHYS-PROC-2017-001. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5575.
The new ATLAS Fast Calorimeter Simulation / Schaarschmidt, Jana (Department of Physics, University of Washington, Seattle)
Current and future need for large scale simulated samples motivate the development of reliable fast simulation techniques. [...]
ATL-SOFT-PROC-2017-005. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5576.
Computing shifts to monitor ATLAS distributed computing infrastructure and operations / Bourdarios, Claire (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) ; Barberis, Dario (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Crepe-Renaudin, Sabine Chrystel (Centre National de la Recherche Scientifique (FR)) ; De, Kaushik (The University of Texas at Arlington) ; Fassi, Farida (University Mohammed V) ; Stradling, Alden (The University of Texas at Arlington) ; Svatos, Michal (Academy of Sciences of the Czech Republic, Institute of Physics) ; Vartapetian, Armen (The University of Texas at Arlington) ; Wolters, Helmut (LIP and Department of Physics, University of Coimbra)
The ATLAS Distributed Computing (ADC) group established a new Computing Run Coordinator (CRC) shift at the start of LHC Run 2 in 2015. [...]
ATL-SOFT-PROC-2017-004. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5577.
Networks in ATLAS / Mc Kee, Shawn Patrick (University of Michigan, Department of Physics)
Networks have played a critical role in high-energy physics (HEP), enabling us to access and effectively utilize globally distributed resources to meet the needs of our physicists [...]
ATL-SOFT-PROC-2017-003. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5578.
Consolidation of cloud computing in ATLAS / Taylor, Ryan P. (University of Victoria) ; Cordeiro, Cristovao (CERN) ; Hover, John (Brookhaven National Laboratory (BNL)) ; Kouba, Tomas (Academy of Sciences of the Czech Republic, Institute of Physics) ; Love, Peter (Lancaster University, Department of Physics) ; Mcnab, Andrew (School of Physics and Astronomy, University of Manchester) ; Schovancova, Jaroslava (CERN Tier-0) ; Sobie, Randall (University of Victoria) ; Giordano, Domenico (CERN)
Throughout the first half of LHC Run 2, ATLAS cloud computing has undergone a period of consolidation, characterized by building upon previously established systems, with the aim of reducing operational effort, improving robustness, and reaching higher scale. [...]
ATL-SOFT-PROC-2017-002. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5579.
Big Data tools as applied to ATLAS event data / Vukotic, Ilija (University of Chicago, Enrico Fermi Institute) ; Gardner, Robert (University of Chicago, Enrico Fermi Institute) ; Bryant, Lincoln (University of Chicago, Enrico Fermi Institute)
Big Data technologies have proven to be very useful for storage, processing and visualization of derived metrics associated with ATLAS distributed computing (ADC) services. [...]
ATL-SOFT-PROC-2017-001. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5580.
PanDA for ATLAS distributed computing in the next decade / Barreiro Megino, Fernando Harald (The University of Texas at Arlington) ; De, Kaushik (The University of Texas at Arlington) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Nilsson, Paul (Brookhaven National Laboratory (BNL)) ; Oleynik, Danila (Joint Institute for Nuclear Research) ; Padolski, Siarhei (Brookhaven National Laboratory (BNL)) ; Panitkin, Sergey (Brookhaven National Laboratory (BNL)) ; Wenaus, Torre (Brookhaven National Laboratory (BNL))
The Production and Distributed Analysis (PanDA) system has been developed to meet ATLAS production and analysis requirements for a data-driven workload management system capable of operating at the Large Hadron Collider (LHC) data processing scale. [...]
ATL-SOFT-PROC-2017-016. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5581.
A web-based solution to visualize operational monitoring data in the Trigger and Data Acquisition system of the ATLAS experiment at the LHC / Avolio, Giuseppe (European Laboratory for Particle Physics, CERN) ; D'Ascanio, Matteo (European Laboratory for Particle Physics, CERN) ; Lehmann-Miotto, Giovanna (European Laboratory for Particle Physics, CERN) ; Soloviev, Igor (University of California, Irvine)
The Trigger and Data Acquisition (TDAQ) system of the ATLAS detector at the Large Hadron Collider at CERN is composed of a large number of distributed hardware and software components (about 3000 computers and more than 25000 applications) which, in a coordinated manner, provide the data-taking functionality of the overall system. [...]
ATL-DAQ-PROC-2017-001. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5582.
Development and performance of track reconstruction algorithms at the energy frontier with the ATLAS detector / Gagnon, Louis-Guillaume (Universite de Montreal (CA))
ATLAS track reconstruction software is continuously evolving to match the demands from the increasing instantaneous luminosity of the LHC, as well as the increased center-of-mass energy. [...]
ATL-SOFT-PROC-2017-015. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5583.
Integration of Titan supercomputer at OLCF with ATLAS Production System / Barreiro Megino, Fernando Harald (The University of Texas at Arlington) ; De, Kaushik (The University of Texas at Arlington) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Nilsson, Paul (Brookhaven National Laboratory (BNL)) ; Oleynik, Danila (Joint Institute for Nuclear Research) ; Padolski, Siarhei (Brookhaven National Laboratory (BNL)) ; Panitkin, Sergey (Brookhaven National Laboratory (BNL)) ; Wenaus, Torre (Brookhaven National Laboratory (BNL)) - author author author author author author author
The PanDA (Production and Distributed Analysis) workload management system was developed to meet the scale and complexity of distributed computing for the ATLAS experiment. [...]
ATL-SOFT-PROC-2017-014. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - IOP Open Access Article
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5584.
The CEVALE2VE case / Sanchez Pineda, Arturo Rodolfo (INFN Gruppo Collegato di Udine and Universita' di Udine, Dipartimento di Chimica, Fisica e Ambiente)
A virtual research and learning community can be a powerful tool for educational purposes. [...]
ATL-OREACH-PROC-2017-001. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5585.
Fast Cherenkov model of optical photons generation and transportation
This note describes the technical details of Fast Cherenkov model of optical photons generation and transportation: in particular, the mechanism of Cherenkov photons transportation through the straight bar geometry. [...]
ATL-SOFT-PUB-2017-001. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5586.
Exploiting opportunistic resources for ATLAS with ARC CE and the Event Service / Cameron, David (University of Oslo) ; Filipčič, Andrej (Jozef Stefan Institute) ; Guan, Wen (Department of Physics, University of Wisconsin) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Walker, Rodney (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Wenaus, Torre (Brookhaven National Laboratory (BNL))
With ever-greater computing needs and fixed budgets, big scientific experiments are turning to opportunistic resources as a means to add much-needed extra computing power. [...]
ATL-SOFT-PROC-2017-013. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5587.
Inclusive jet measurements in Pb+Pb collisions at 5 TeV with the ATLAS detector / Slovak, Radim (Charles University, Faculty of Mathematics and Physics, Prague)
In relativistic heavy ion collisions, a hot medium with a high density of unscreened color charges is produced. [...]
ATL-PHYS-PROC-2017-004. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5588.
ATLAS software stack on ARM64 / Smith, Joshua Wyatt (Georg-August-Universitat Goettingen, II. Physikalisches Institut) ; Stewart, Graeme (University of Glasgow, SUPA - School of Physics and Astronomy) ; Seuster, Rolf (University of Victoria) ; Quadt, Arnulf (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
This paper reports on the port of the ATLAS software stack onto new prototype ARM64 servers. [...]
ATL-SOFT-PROC-2017-012. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5589.
First use of LHC Run 3 Conditions Database infrastructure for auxiliary data files in ATLAS / Formica, Andrea (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay) ; Barberis, Dario (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Gallas, Elizabeth (University of Oxford, Particle Physics) ; Rybkin, Grigori (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) ; Rinaldi, Lorenzo (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia) ; Aperio Bella, Ludovica (European Laboratory for Particle Physics, CERN) ; Buttinger, William (Brookhaven National Laboratory (BNL))
Processing of the large amount of data produced by the ATLAS experiment requires fast and reliable access to what we call Auxiliary Data Files (ADF). [...]
ATL-SOFT-PROC-2017-011. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5590.
Automatic rebalancing of data in ATLAS distributed data management / Barisits, Martin-Stefan (European Laboratory for Particle Physics, CERN ; Vienna University of Technology, Vienna, Austria) ; Serfon, Cedric (University of Oslo) ; Garonne, Vincent (University of Oslo) ; Lassnig, Mario (European Laboratory for Particle Physics, CERN) ; Beermann, Thomas (European Laboratory for Particle Physics, CERN) ; Javurek, Tomas (Albert-Ludwigs-Universitaet Freiburg (DE))
The ATLAS Distributed Data Management system stores more than 220PB of physics data across more than 130 sites globally. [...]
ATL-SOFT-PROC-2017-010. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text
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5591.
The ATLAS tracker Pixel detector for HL-LHC / Gemme, Claudia (INFN Genova and Universita' di Genova, Dipartimento di Fisica)
The high luminosity upgrade of the LHC (HL-LHC) in 2026 will provide new challenges to the ATLAS tracker. [...]
ATL-ITK-PROC-2017-001. - 2017.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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5592.
Recent Heavy Ion Results from The ATLAS Experiment / Olszewski, Andrzej (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
The ATLAS experiment at the Large Hadron Collider (LHC) has undertaken a broad physics program to probe and characterize the hot nuclear matter created in relativistic lead-lead collisions. [...]
ATL-PHYS-PROC-2017-003. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5593.
Measurement of the $t$­-channel single top-­quark and top­-antiquark differential cross-sections in $pp$ collisions at $\sqrt{s} = 8~\textrm{TeV}$ with the ATLAS detector / Seema, Pienpen (University of Bonn)
In this document, differential cross-section measurements of $t$-channel single top­-quark production are presented. [...]
ATL-PHYS-PROC-2017-002. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5594.
The design of a fast Level 1 Track trigger for the ATLAS High Luminosity Upgrade / Allbrooke, Benedict (University of Sussex) ; ATLAS Collaboration
The ATLAS experiment at the high-luminosity LHC will face a five-fold increase in the number of interactions per collision relative to the ongoing Run 2. [...]
ATL-DAQ-PROC-2017-003. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5595.
SUSY searches with the ATLAS detector / Bianchi, Riccardo Maria (Pittsburgh U.)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2017-005. - 2017. - 12 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5596.
The ATLAS Level-1 Topological Trigger performance in Run 2 / Riu, Imma (Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Barcelona, Spain)
The Level-1 trigger is the first event rate reducing step in the ATLAS detector trigger system, with an output rate of up to 100 kHz and decision latency smaller than 2.5 μs. [...]
ATL-DAQ-PROC-2017-002. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5597.
Trigger Menu in 2016
This document summarizes the trigger menu of the ATLAS detector employed during data taking of pp collisions at the LHC during 2016..
ATL-DAQ-PUB-2017-001. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5598.
A new experiment-agnostic mechanism to persistify and serve the detector geometry of ATLAS / Bianchi, Riccardo-Maria (University of Pittsburgh) ; Boudreau, Joseph (University of Pittsburgh) ; Vukotic, Ilija (University of Chicago, Enrico Fermi Institute) - main author and presenter - GeoModelKernel, TFPersistification main author - REST API
The complex geometry of the whole detector of the ATLAS experiment at LHC is currently stored only in custom online databases, from which it is built on-the-fly on request. [...]
ATL-SOFT-PROC-2017-029. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5599.
HiggsHunters - a citizen science project for ATLAS / Haas, Andrew (New York University (US))
Since the launch of HiggsHunters.org in November 2014, citizen science volunteers have classified more than a million points of interest in images from the ATLAS experiment at the LHC. [...]
ATL-SOFT-PROC-2017-028. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5600.
Design of the ATLAS New Small Wheel Gas Leak Tightness Station for the Micromegas Detector Modules / Gazis, Evangelos (National Technical University of Athens)
In this work we describe advanced data processing and analysis techniques intended to be used in the gas tightness station at CERN for Quality Assurance and Quality Control of the New Small Wheel Micromegas Quadruplets. [...]
ATL-MUON-PROC-2017-001. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5601.
Machine learning of network metrics in ATLAS Distributed Data Management / Lassnig, Mario (European Laboratory for Particle Physics, CERN) ; Toler, Wesley (European Laboratory for Particle Physics, CERN) ; Vamosi, Ralf (European Laboratory for Particle Physics, CERN) ; Bogado Garcia, Joaquin Ignacio (Universidad National de La Plata (UNLP))
The increasing volume of physics data poses a critical challenge to the ATLAS experiment. [...]
ATL-SOFT-PROC-2017-027. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5602.
ATLAS and LHC computing on CRAY / Sciacca, Gianfranco (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics) ; Haug, Sigve (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics)
Access and exploitation of large scale computing resources, such as those offered by general purpose HPC centres, is one important measure for ATLAS and the other Large Hadron Collider experiments in order to meet the challenge posed by the full exploitation of the future data within the constraints of flat budgets. [...]
ATL-SOFT-PROC-2017-026. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article - Full text
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5603.
Analysis of empty ATLAS pilot jobs / Love, Peter (Lancaster University, Department of Physics)
In this analysis we quantify the wallclock time used by short empty pilot jobs on a number of WLCG compute resources. [...]
ATL-DAQ-PROC-2017-006. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5604.
The Resource Manager the ATLAS Trigger and Data Acquisition System / Aleksandrov, Igor (Joint Institute for Nuclear Research) ; Avolio, Giuseppe (European Laboratory for Particle Physics, CERN) ; Lehmann Miotto, Giovanna (European Laboratory for Particle Physics, CERN) ; Soloviev, Igor (University of California, Irvine)
The Resource Manager is one of the core components of the Data Acquisition system of the ATLAS experiment at the LHC. [...]
ATL-DAQ-PROC-2017-005. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5605.
Integrated monitoring of the ATLAS online computing farm / Ballestrero, Sergio (University of Johannesburg, Department of Physics) ; Brasolin, Franco (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia) ; Fazio, Daniel (European Laboratory for Particle Physics, CERN) ; Gament, Costin-Eugen (University Politehnica Bucharest) ; Lee, Christopher (University of Cape Town) ; Scannicchio, Diana (University of California, Irvine) ; Twomey, Matthew Shaun (Department of Physics, University of Washington, Seattle)
The online farm of the ATLAS experiment at the LHC, consisting of nearly 4100 PCs with various characteristics, provides configuration and control of the detector and performs the collection, processing, selection and conveyance of event data from the front-end electronics to mass storage. [...]
ATL-DAQ-PROC-2017-004. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5606.
Trigger Menu-aware Monitoring for the ATLAS experiment / Hoad, Xanthe (University of Edinburgh)
We present a“trigger menu-aware” monitoring system designed for the Run-2 data-taking of the ATLAS experiment at the LHC. [...]
ATL-SOFT-PROC-2017-025. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5607.
Modernizing the ATLAS simulation infrastructure / Di Simone, Andrea (Albert-Ludwigs-Universitaet Freiburg)
The ATLAS Simulation infrastructure has been used to produce upwards of 50 billion proton-proton collision events for analyses ranging from detailed Standard Model measurements to searches for exotic new phenomena. [...]
ATL-SOFT-PROC-2017-024. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5608.
High-Throughput and Low-Latency Network Communication with NetIO / Schumacher, Jorn (University of Paderborn (DE)) ; Plessl, Christian ; Vandelli, Wainer (European Laboratory for Particle Physics, CERN)
HPC network technologies like Infiniband, TrueScale or OmniPath provide low-latency and high-throughput communication between hosts, which makes them attractive options for data-acquisition systems in large-scale high-energy physics experiments. [...]
ATL-SOFT-PROC-2017-023. - 2017. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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5609.
The Fast Simulation Chain for ATLAS / Basalaev, Artem (Petersburg Nuclear Physics Institute) ; Marshall, Zach (Lawrence Berkeley National Laboratory and University of California, Berkeley)
In order to generate the huge number of Monte Carlo events that will be required by the ATLAS experiment over the next several runs, a very fast simulation is critical. [...]
ATL-SOFT-PROC-2017-022. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5610.
Caching servers for ATLAS / Gardner, Robert (University of Chicago, Enrico Fermi Institute) ; Hanushevsky, Andrew (SLAC National Accelerator Laboratory) ; Vukotic, Ilija (University of Chicago, Enrico Fermi Institute) ; Yang, Wei (SLAC National Accelerator Laboratory)
As many LHC Tier-3 and some Tier-2 centers look toward streamlining operations, they are considering autonomously managed storage elements as part of the solution. [...]
ATL-SOFT-PROC-2017-021. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text - Full text
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5611.
Data intensive ATLAS workflows in the Cloud / Rzehorz, Gerhard Ferdinand (Georg-August-Universitat Goettingen, II. Physikalisches Institut) ; Keeble, Oliver (CERN) ; Quadt, Arnulf (Georg-August-Universitat Goettingen, II. Physikalisches Institut) ; Kawamura, Gen (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
This contribution reports on the feasibility of executing data intensive workflows on Cloud infrastructures. [...]
ATL-SOFT-PROC-2017-020. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text - IOP Open Access Article
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5612.
AthenaMT: upgrading the ATLAS software framework for the many-core world with multi-threading / ATLAS Collaboration
ATLAS’s current software framework, Gaudi/Athena, has been very successful for the experiment in LHC Runs 1 and 2. [...]
ATL-SOFT-PROC-2017-019. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5613.
Memory handling in the ATLAS submission system from job definition to sites limits / Forti, Alessandra (School of Physics and Astronomy, University of Manchester) ; Walker, Rodney (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Love, Peter (Lancaster University, Department of Physics) ; Rauschmayr, Nathalie (CERN) ; Filipcic, Andrej (Jozef Stefan Institute (SI)) ; Di Girolamo, Alessandro (European Laboratory for Particle Physics, CERN)
In the past few years the increased luminosity of the LHC, changes in the linux kernel and a move to a 64bit architecture have affected the ATLAS jobs memory usage and the ATLAS workload management system had to be adapted to be more flexible and pass memory parameters to the batch systems, which in the past wasn’t a necessity. [...]
ATL-SOFT-PROC-2017-018. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5614.
Multi-threaded ATLAS simulation on Intel Knights Landing processors / Farrell, Steven (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Calafiura, Paolo (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Leggett, Charles (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Dotti, Andrea (SLAC National Accelerator Laboratory)
The Knights Landing (KNL) release of the Intel Many Integrated Core (MIC) Xeon Phi line of processors is a potential game changer for HEP computing. [...]
ATL-SOFT-PROC-2017-017. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5615.
Experiences with the new ATLAS Distributed Data Management System / Garonne, Vincent (University of Oslo) ; Serfon, Cedric (University of Oslo) ; Barisits, Martin-Stefan (European Laboratory for Particle Physics, CERN) ; Lassnig, Mario (European Laboratory for Particle Physics, CERN) ; Beermann, Thomas (European Laboratory for Particle Physics, CERN) ; Guan, Wen (Department of Physics, University of Wisconsin)
The ATLAS Distributed Data Management (DDM) system has evolved drastically in the last two years with the Rucio software fully replacing the previous system before the start of LHC Run-2. [...]
ATL-SOFT-PROC-2017-042. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5616.
The ATLAS Data Acquisition system in LHC Run 2 / Panduro Vazquez, William (Department of Physics, Royal Holloway and Bedford New College) ; ATLAS Collaboration
The LHC has been providing pp collisions with record luminosity and energy since the start of Run 2 in 2015. [...]
ATL-DAQ-PROC-2017-007. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5617.
Integration of the Chinese HPC Grid in ATLAS Distributed Computing / Filipcic, Andrej (Jozef Stefan Institute (SI))
Fifteen Chinese High-Performance Computing sites, many of them on the TOP500 list of most powerful supercomputers, are integrated into a common infrastructure providing coherent access to a user through an interface based on a RESTful interface called SCEAPI. [...]
ATL-SOFT-PROC-2017-041. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5618.
ATLAS Distributed Computing experience and performance during the LHC Run-2 / Filipcic, Andrej (Jozef Stefan Institute (SI))
ATLAS Distributed Computing during LHC Run-1 was challenged by steadily increasing computing, storage and network requirements. [...]
ATL-SOFT-PROC-2017-040. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text
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5619.
C3PO - A dynamic data placement agent for ATLAS distributed data management / Beermann, Thomas (European Laboratory for Particle Physics, CERN) ; Lassnig, Mario (European Laboratory for Particle Physics, CERN) ; Barisits, Martin-Stefan (European Laboratory for Particle Physics, CERN) ; Serfon, Cedric (University of Oslo) ; Garonne, Vincent (University of Oslo)
This paper introduces a new dynamic data placement agent for the ATLAS distributed data management system. [...]
ATL-SOFT-PROC-2017-039. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5620.
ATLAS Fast Physics Monitoring: TADA / Sabato, Gabriele (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef) ; Elsing, Markus (European Laboratory for Particle Physics, CERN) - Author, project leader
The ATLAS experiment at the LHC is recording data from proton-proton collisions with 13 TeV center-of-mass energy since spring 2015. [...]
ATL-SOFT-PROC-2017-038. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text
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5621.
AGIS: Integration of new technologies used in ATLAS Distributed Computing / Anisenkov, Alexey (Budker Institute of Nuclear Physics, Siberian Branch of Russian Academy of Sciences) ; Di Girolamo, Alessandro (European Laboratory for Particle Physics, CERN) ; Alandes Pradillo, Maria (CERN)
The variety of the ATLAS Distributed Computing infrastructure requires a central information system to define the topology of computing resources and to store different parameters and configuration data which are needed by various ATLAS software components. [...]
ATL-SOFT-PROC-2017-037. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text
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5622.
Analysis of empty ATLAS pilot jobs / Love, Peter (Lancaster University, Department of Physics) ; Alef, M. (KIT, Karlsruhe, SCC) ; Dal Pra, S. (INFN, CNAF) ; Di Girolamo, A. (CERN) ; Forti, A. (Manchester U.) ; Templon, J. (NIKHEF, Amsterdam) ; Vamvakopoulos, E. (CC, Villeurbanne)
In this analysis we quantify the wallclock time used by short empty pilot jobs on a number of WLCG compute resources. [...]
ATL-SOFT-PROC-2017-036. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5623.
Monitoring of computing resource use of active software releases at ATLAS / Limosani, Antonio (University of Sydney)
The LHC is the world’s most powerful particle accelerator, colliding protons at centre of mass energy of 13 TeV. [...]
ATL-SOFT-PROC-2017-035. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5624.
Data acquisition and processing in the ATLAS tile calorimeter phase-II upgrade demonstrator / Valero, Alberto (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; ATLAS Tile Collaboration
The LHC has planned a series of upgrades culminating in the High Luminosity LHC which will have an average luminosity 5-7 times larger than the nominal Run 2 value. [...]
ATL-TILECAL-PROC-2017-001. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5625.
A roadmap to continuous integration for ATLAS software development / Undrus, Alexander (Brookhaven National Laboratory (BNL)) ; Elmsheuser, Johannes (Brookhaven National Laboratory (BNL)) ; Obreshkov, Emil (The University of Texas at Arlington) ; Krasznahorkay, Attila (European Laboratory for Particle Physics, CERN)
The ATLAS software infrastructure facilitates efforts of more than 1000 developers working on the code base of 2200 packages with 4 million C++ and 1.4 million python lines. [...]
ATL-SOFT-PROC-2017-034. - 2017.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5626.
Large scale software building with CMake in ATLAS / Krasznahorkay, Attila (European Laboratory for Particle Physics, CERN) ; Elmsheuser, Johannes (Brookhaven National Laboratory (BNL)) ; Obreshkov, Emil (The University of Texas at Arlington) ; Undrus, Alexander (Brookhaven National Laboratory (BNL))
The offline software of the ATLAS experiment at the LHC (Large Hadron Collider) serves as the platform for detector data reconstruction, simulation and analysis. [...]
ATL-SOFT-PROC-2017-033. - 2017.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5627.
C++ software quality in the ATLAS experiment: tools and experience / Martin-Haugh, Stewart (Rutherford Appleton Laboratory) ; Kluth, Stefan (Max-Planck-Institut fuer Physik) ; Seuster, Rolf (University of Victoria) ; Snyder, Scott (Brookhaven National Laboratory (BNL)) ; Obreshkov, Emil (The University of Texas at Arlington) ; Roe, Shaun (European Laboratory for Particle Physics, CERN) ; Sherwood, Peter (Department of Physics and Astronomy, University College London) ; Stewart, Graeme (University of Glasgow, SUPA - School of Physics and Astronomy)
In this paper we explain how the C++ code quality is managed in ATLAS using a range of tools from compile-time through to run time testing and reflect on the substantial progress made in the last two years largely through the use of static analysis tools such as Coverity®, an industry-standard tool which enables quality comparison with general open source C++ code. [...]
ATL-SOFT-PROC-2017-032. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5628.
Study on the prospects of a $t\bar{t}$ resonance search in events with one lepton at a High Luminosity LHC
A study on the prospects of a search for a new particle decaying to a top quark pair at the High Luminosity LHC using Monte Carlo simulations is presented. [...]
ATL-PHYS-PUB-2017-002. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5629.
A model independent general search for new phenomena with the ATLAS detector at $\sqrt{s} = 13\;\mbox{TeV}$
This note presents results of a model-independent general search for new physics using 3.2 fb$^{-1}$ of proton-proton collision data at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2017-001. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5630.
ATLAS EventIndex general dataflow and monitoring infrastructure / ATLAS Collaboration
The ATLAS EventIndex has been running in production since mid-2015, reliably collecting information worldwide about all produced events and storing them in a central Hadoop infrastructure at CERN. [...]
ATL-SOFT-PROC-2017-031. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5631.
Study of the double Higgs production channel $H(\rightarrow b\bar{b})H(\rightarrow \gamma\gamma)$ with the ATLAS experiment at the HL-LHC
This note presents the prospects for a measurement to observe di-Higgs production decaying to $b\bar{b} \gamma\gamma$. [...]
ATL-PHYS-PUB-2017-001. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5632.
ACTS: from ATLAS software towards a common track reconstruction software / Gumpert, Christian (European Laboratory for Particle Physics, CERN) ; Salzburger, Andreas (European Laboratory for Particle Physics, CERN) ; Kiehn, Moritz (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve) ; Hrdinka, Julia (European Laboratory for Particle Physics, CERN) ; Calace, Noemi (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
Reconstruction of charged particles' trajectories is a crucial task for most particle physics experiments [...]
ATL-SOFT-PROC-2017-030. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5633.
Event visualization in ATLAS / Bianchi, Riccardo-Maria (University of Pittsburgh) ; Boudreau, Joseph (University of Pittsburgh) ; Konstantinidis, Nikolaos (Department of Physics and Astronomy, University College London) ; Martyniuk, Alex (Department of Physics and Astronomy, University College London) ; Moyse, Edward (University of Massachusetts, Amherst) ; Thomas, Juergen (University of Birmingham) ; Waugh, Ben (Department of Physics and Astronomy, University College London) ; Yallup, David (Department of Physics and Astronomy, University College London) - VP1 developer Atlantis developer Atlantis developer VP1 developer Atlantis developer Atlantis developer Atlantis developer
At the beginning, HEP experiments made use of photographical images both to record and store experimental data and to illustrate their findings. [...]
ATL-SOFT-PROC-2017-046. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5634.
ATLAS computing on Swiss Cloud SWITCHengines / Haug, Sigve (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics) ; Sciacca, Gianfranco (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics)
Consolidation towards more computing at flat budgets beyond what pure chip technology can offer, is a requirement for the full scientific exploitation of the future data from the Large Hadron Collider at CERN in Geneva. [...]
ATL-SOFT-PROC-2017-045. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5635.
Measurement of nuclear modification factor $R_\mathrm{AA}$ in Pb+Pb collisions at $\sqrt{s_{NN}}=5.02$TeV with the ATLAS detector at the LHC
Measurements of charged hadron spectra and the nuclear modification factor in Pb+Pb collisions at $\sqrt{s_{NN}}=5.02$TeV with the ATLAS detector at the LHC are presented. [...]
ATLAS-CONF-2017-012. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5636.
Photo-nuclear dijet production in ultra-peripheral Pb+Pb collisions
Ultra-peripheral heavy ion collisions provide a unique opportunity to study the parton distributions in the colliding nuclei via the measurement of photo-nuclear dijet production. [...]
ATLAS-CONF-2017-011. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5637.
$Z$ boson production in Pb+Pb collisions at $\sqrt{s_{NN}} $= 5.02 TeV with the ATLAS detector at the LHC
The production of $Z$ bosons in the di-muon decay channel in Pb+Pb collisions at $\sqrt{s_{NN}} = 5.02$ TeV is measured with the ATLAS detector. [...]
ATLAS-CONF-2017-010. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5638.
Study of inclusive jet yields in Pb+Pb collisions at $\sqrt{s_{N N}} = 5.02$ TeV
Measurements of the yield and nuclear modification factor, RAA, for inclusive jets are per- formed using 25 pb−1 of pp data at √s = 5.02 TeV and 0.49 nb−1 of Pb+Pb data at √sNN = 5.02 TeV. [...]
ATLAS-CONF-2017-009. - 2017. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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5639.
Azimuthal femtoscopy in central $p$+Pb collisions at $\sqrt{s_\mathrm{NN}} = 5.02$ TeV with ATLAS
Hanbury Brown and Twiss (HBT) radii with respect to the 2nd-order event plane are measured in central $p$+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02\,\TeV$ with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2017-008. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5640.
Measurement of multi-particle azimuthal correlations in pp, p+Pb and low-multiplicity Pb+Pb collisions with the ATLAS detector
Multi-particle correlations in azimuthal angles of produced charged particles are measured by ATLAS in $\sqrt{s}$ = 5.02 and 13 TeV $pp$ collisions, in $\sqrt{s_{NN}}$ = 5.02 TeV $p$+Pb collisions, and in $\sqrt{s_{NN}}$=2.76 TeV low-multiplicity Pb+Pb collisions at the Large Hadron Collider. [...]
ATLAS-CONF-2017-007. - 2017. - 43 p.
Original Communication (restricted to ATLAS) - Full text
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5641.
Measurement of the long--range pseudorapidity correlations between muons and charged-particles in $\sqrt{s_{\mathrm{NN}}}$=8.16~TeV proton-lead collisions with the ATLAS detector
Measurements of correlations between inclusive charged-particle pairs and between inclusive charged-particle and muon pairs in relative azimuthal angle ($\Delta\phi$) and pseudorapidity ($\Delta\eta$) are presented for $p$+Pb collisions at $\sqrt{s_{\mathrm{NN}}}$=8.16~TeV using muons and charged particles with $|\eta|<2.5$. [...]
ATLAS-CONF-2017-006. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5642.
Measurement of jet fragmentation in 5.02 TeV lead-lead and proton-proton collisions with the ATLAS detector
This note presents a measurement of charged particle jet fragmentation functions at 5.02 TeV in Pb+Pb collisions. [...]
ATLAS-CONF-2017-005. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5643.
Measurement of jet fragmentation in 5.02 TeV proton-lead and proton-proton collisions with the ATLAS detector
A measurement of the fragmentation functions of jets into charged particles in p+Pb collisions and pp collisions is presented. [...]
ATLAS-CONF-2017-004. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5644.
Measurement of longitudinal flow correlations in Pb+Pb collisions at $\sqrt{s_{\rm{NN}}}$=2.76 and 5.02 TeV with the ATLAS detector
The measurement of longitudinal flow correlations are presented for charged particles in pseudorapidity range $|\eta|<2.4$ using 7 $\mu$b$^{-1}$ and 22 $\mu$b$^{-1}$ Pb+Pb collisions at $\sqrt{s_{\rm{NN}}}=2.76$ and 5.02 TeV, respectively. [...]
ATLAS-CONF-2017-003. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5645.
Measurement of multi-particle azimuthal correlations in $pp$ and $p$+Pb collisions with the ATLAS detector
The measurement of four-particle cumulant elliptic flow coefficients $c_{2}${4} and $v_2${4} are presented using 0.17 pb$^{-1}$ of $pp$ data at $\sqrt{s}=5.02$ TeV, 0.9 pb$^{-1}$ of $pp$ data at $\sqrt{s}=13$ TeV and 28 nb$^{-1}$ of $p$+Pb data at $\sqrt{s_{\rm{NN}}}=5.02$ TeV. [...]
ATLAS-CONF-2017-002. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5646.
The ATLAS Production System Evolution: New Data Processing and Analysis Paradigm for the LHC Run2 and High-Luminosity / Borodin, Mikhail (University of Iowa) ; Barreiro Megino, Fernando Harald (The University of Texas at Arlington) ; De, Kaushik (The University of Texas at Arlington) ; Golubkov, Dmitry (State Research Center Institute for High Energy Physics (Protvino), NRC KI) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Mashinistov, Ruslan (P.N. Lebedev Physical Institute) ; Padolski, Siarhei (Brookhaven National Laboratory (BNL)) ; Wenaus, Torre (Brookhaven National Laboratory (BNL))
The second generation of the ATLAS Production System called ProdSys2 is a distributed workload manager that runs daily hundreds of thousands of jobs, from dozens of different ATLAS specific workflows, across more than hundred heterogeneous sites. [...]
ATL-SOFT-PROC-2017-044. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5647.
Recent measurements of associated single top-quark production cross-section with the ATLAS detector / Cioara, Irina Antonela (University of Bonn)
The measurement of the inclusive $Wt$ cross-section at 13 TeV is performed using 3.2$\,\text{fb}{^{-1}}$ of proton--proton collision data taken by the ATLAS detector in 2015. [...]
ATL-PHYS-PROC-2017-006. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5648.
Detector Control System for the AFP detector in ATLAS experiment at CERN / Banas, Elzbieta (Institute of Nuclear Physics Polish Academy of Sciences, Krakow) ; Caforio, Davide (Czech Technical University in Prague) ; Czekierda, Sabina (Institute of Nuclear Physics Polish Academy of Sciences, Krakow) ; Hajduk, Zbigniew (Institute of Nuclear Physics Polish Academy of Sciences, Krakow) ; Olszowska, Jolanta (Institute of Nuclear Physics Polish Academy of Sciences, Krakow) ; Oleiro Seabra, Luis Filipe (Laboratorio de Instrumenta\c{c}\~ao e F\i sica Experimental de Part\i culas) ; Sicho, Petr (Academy of Sciences of the Czech Republic, Institute of Physics)
The ATLAS Forward Proton (AFP) detector consists of two forward detectors located at 205 m and 217 m on either side of the ATLAS experiment. [...]
ATL-FWD-PROC-2017-001. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5649.
Processing and Quality Monitoring for the ATLAS Tile Hadronic Calorimeter Data / Burghgrave, Blake (Northern Illinois University)
An overview is presented of Data Processing and Data Quality (DQ) Monitoring for the ATLAS Tile Hadronic Calorimeter. [...]
ATL-TILECAL-PROC-2017-002. - 2017. - 5.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5650.
Trigger and readout electronics for the Phase-I upgrade of the ATLAS forward muon spectrometer / Moschovakos, Paris (National Technical University of Athens)
The upgrades of the LHC accelerator and the experiments in 2019/20 and 2023/24 will increase the instantaneous and integrated luminosity, but also will drastically increase the data and trigger rates. [...]
ATL-MUON-PROC-2017-002. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5651.
A study of data representation in Hadoop to optimise data storage and search performance for the ATLAS EventIndex / Baranowski, Zbigniew (CERN) ; Canali, Luca (CERN) ; Toebbicke, Rainer (CERN Tier-0) ; Hrivnac, Julius (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) ; Barberis, Dario (INFN Genova and Universita' di Genova, Dipartimento di Fisica)
This paper reports on the activities aimed at improving the architecture and performance of the ATLAS EventIndex implementation in Hadoop. [...]
ATL-SOFT-PROC-2017-043. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5652.
Review of SM Higgs results from the ATLAS experiment / Calandri, Alessandro (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS)
Proceeding for talk at DISCRETE2016 conference (http://indico.fuw.edu.pl/conferenceDisplay.py?ovw=True&confId=46)
ATL-PHYS-PROC-2017-009. - 2017. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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5653.
Collecting conditions usage metadata to optimize current and future ATLAS software and processing / Barberis, Dario (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Formica, Andrea (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay) ; Gallas, Elizabeth (University of Oxford, Particle Physics) ; Oda, Susumu (Kyushu University) ; Rinaldi, Lorenzo (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia) ; Rybkin, Grigori (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) ; Verducci, Monica (INFN Roma Tre and Universita' Roma Tre, Dipartimento di Fisica)
Conditions data (for example: alignment, calibration, data quality) are used extensively in the processing of real and simulated data in ATLAS. [...]
ATL-SOFT-PROC-2017-050. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5654.
Electroweak Physics at the LHC / Brandt, Gerhard (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
This talk summarises results on electroweak processes at the Large Hadron Collider by the ATLAS and CMS collaborations. [...]
ATL-PHYS-PROC-2017-008. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5655.
Two-particle Bose-Einstein correlations in $pp$ collisions at $\mathbf {\sqrt{s} = 900}$ GeV and 7 TeV measured with the ATLAS detector / Kulchitsky, Yuri (Institute of Physics, National Academy of Sciences)
The paper presents studies of Bose--Einstein Correlations for pairs of like-sign charged particles measured in the kinematic range $p_T >$ 100 MeV and $|\eta|<$ 2.5 in proton--proton collisions at centre-of-mass energies of 0.9 and 7 TeV with the ATLAS detector at the CERN Large Hadron Collider. [...]
ATL-PHYS-PROC-2017-007. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5656.
Evolution and experience with the ATLAS Simulation at Point1 Project / ATLAS Collaboration
The Simulation at Point1 project is successfully running standard ATLAS simulation jobs on the TDAQ HLT resources. [...]
ATL-SOFT-PROC-2017-049. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text
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5657.
An Oracle-based event index for ATLAS / Gallas, Elizabeth (University of Oxford, Particle Physics) ; Dimitrov, Gancho (European Laboratory for Particle Physics, CERN) ; Petrova, Petya Tsvetanova (The University of Texas at Arlington) ; Baranowski, Zbigniew (CERN) ; Canali, Luca (CERN) ; Dumitru, Andrei (CERN) ; Formica, Andrea (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay)
The ATLAS Eventlndex System has amassed a set of key quantities for a large number of ATLAS events into a Hadoop based infrastructure for the purpose of providing the experiment with a number of event-wise services. [...]
ATL-SOFT-PROC-2017-048. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5658.
Readout and trigger for the AFP detector at the ATLAS experiment at LHC / Korcyl, Krzysztof (Institute of Nuclear Physics Polish Academy of Sciences, Krakow) ; Kocian, Martin (SLAC National Accelerator Laboratory) ; Lopez Paz, Ivan (Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Barcelona, Spain) ; Avoni, Giulio (INFN Bologna and Universita' di Bologna, Dipartimento di Fisica e Astronomia)
The ATLAS Forward Proton is a new detector system in ATLAS that allows study of events with protons scattered at very small angles. [...]
ATL-FWD-PROC-2017-002. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5659.
How to review 4 million lines of ATLAS code / Stewart, Graeme (University of Glasgow, SUPA - School of Physics and Astronomy) ; Lampl, Walter (University of Arizona)
As the ATLAS Experiment prepares to move to a multi-threaded framework (AthenaMT) for Run3, we are faced with the problem of how to migrate 4 million lines of C++ source code. [...]
ATL-SOFT-PROC-2017-047. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5660.
$\textit{W}$ and $\textit{Z}$ boson production in 5.02 TeV $\textit{pp}$ and $\textit{p}$+Pb collisions with the ATLAS detector / Dumancic, Mirta (Department of Particle Physics, The Weizmann Institute of Science)
$W$ and $Z$ bosons are short lived and do not interact strongly. [...]
ATL-PHYS-PROC-2017-010. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5661.
Primary vertex reconstruction at the ATLAS experiment / ATLAS Collaboration
These proceedings present the method and performance of primary vertex reconstruction at the ATLAS experiment during Runs 1 and 2 at the LHC. [...]
ATL-SOFT-PROC-2017-051. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5662.
ATLAS data preparation in run 2 / Laycock, Paul (University of Liverpool) ; Chelstowska, Magda Anna (European Laboratory for Particle Physics, CERN) ; Cuhadar Donszelmann, Tulay (University of Sheffield) ; Guenther, Jaroslav (Institut fuer Astro- und Teilchenphysik der Leopold-Franzens-Universitaet Innsbruck) ; Nairz, Armin Michael (European Laboratory for Particle Physics, CERN) ; Nicolaidou, Rosy (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay) ; Shabalina, Elizaveta (Georg-August-Universitat Goettingen, II. Physikalisches Institut) ; Strandberg, Jonas (Royal Institute of Technology (KTH)) ; Taffard, Anyes (University of California, Irvine) ; Wang, Song-Ming (Academia Sinica, Taipei)
In this contribution, the data preparation workflows for Run 2 are presented. [...]
ATL-DAPR-PROC-2017-001. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5663.
FELIX: The new detector readout system for the ATLAS experiment / Ryu, Soo (Argonne National Laboratory)
After the Phase-I upgrades (2019) of the ATLAS experiment, the Front-End Link eXchange (FELIX) system will be the interface between the data acquisition system and the detector front-end and trigger electronics. [...]
ATL-DAQ-PROC-2017-008. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5664.
Neutral BSM Higgs searches in ATLAS / Zhang, Lei (Albert-Ludwigs-Universitaet Freiburg)
This report summarizes the latest results of the neutral heavy BSM Higgs boson search, mainly based on data collected by the ATLAS experiment at a center-of-mass energy of √ s = 13 TeV in 2015 and 2016, with an integrated luminosity of 3.2–15.4 fb$^{−1}$. [...]
ATL-PHYS-PROC-2017-013. - 2017. - 9.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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5665.
Differential cross-section measurements of boosted top quarks at $\sqrt{s} = 13$ TeV with the ATLAS detector / Fenton, Michael James (Glasgow U.)
Differential cross-section measurements of highly boosted top quarks are presented. [...]
ATL-PHYS-PROC-2017-012 ; arXiv:1702.08728. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Preprint
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5666.
Searches for Exotic Physics in ATLAS using Substructure Techniques / Behr, Janna Katharina (DESY, Hamburg and Zeuthen)
The significant increase of the centre-of-mass energy of the Large Hadron Collider (LHC) from 8 to 13 TeV has allowed the LHC experiments to explore previously inaccessible kinematic regimes in their search for phenomena beyond the Standard Model. [...]
ATL-PHYS-PROC-2017-011. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Server
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5667.
Review of Higgs Results from the ATLAS Experiment at the LHC / Tsukerman, Ilya (Institute for Theoretical and Experimental Physics)
The LHC has now delivered a large amount of data at 13 TeV center of mass energy. [...]
ATL-PHYS-PROC-2017-016. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5668.
Identification of Jets Containing $b$-Hadrons with Recurrent Neural Networks at the ATLAS Experiment
A novel $b$-jet identification algorithm is constructed with a Recurrent Neural Network (RNN) at the ATLAS experiment at the CERN Large Hadron Collider. [...]
ATL-PHYS-PUB-2017-003. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5669.
Asymmetries in the top sector / Morris, John (Queen Mary University of London)
An experimental overview of top-pair event asymmetries is reported, focusing on the forward-backward asymmetry, $A_{FB}$, at the Tevatron and the charge asymmetry, $A_{c}$, at the LHC. [...]
ATL-PHYS-PROC-2017-015. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5670.
Single-top quark cross-section measurements in ATLAS / Hirschbuehl, Dominic (Bergische U., Wuppertal (main))
This article presents measurements of all three single top-quark production channels. [...]
ATL-PHYS-PROC-2017-014 ; arXiv:1703.02360. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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5671.
Prospects for Higgs CP property measurements at the LHC / Chen, Xin (Tsinghua University)
This document is prepared for the LCWS2016 conference proceedings. [...]
ATL-PHYS-PROC-2017-020. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5672.
Prospects of LHC Higgs Physics at the end of Run III / Chen, Xin (Tsinghua University)
The document is prepared for the LCWS2016 conference proceedings. [...]
ATL-PHYS-PROC-2017-019. - 2017. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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5673.
Prospects and Results from the AFP Detector in ATLAS / Gach, Grzegorz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
In 2016 one arm of the AFP detector was installed and first data have been taken. [...]
ATL-PHYS-PROC-2017-018. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5674.
Jet charge determination at the LHC / Tokar, Stano (Comenius University (SK))
Knowing the charge of the parton initiating a jet could be very useful both for testing different aspects of the Standard model and for searching signals of a beyond-the-standard-model physics. [...]
ATL-PHYS-PROC-2017-017. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5675.
Design and testing of the high speed signal densely populated ATLAS calorimeter trigger board dedicate to jet identification / ATLAS Collaboration
Abstract—The ATLAS experiment has planned a major upgrade in view of the enhanced luminosity of the beam delivered by the Large Hadron Collider (LHC) in 2021. [...]
ATL-DAQ-PROC-2017-009. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5676.
LHC and Tevatron results on the $t\bar{t}$ differential cross sections / Di Sipio, Riccardo (Department of Physics, University of Toronto)
This note describes a review of the most recent $t\bar{t}$ differential cross sections measurement per- formed by LHC and Tevatron experiments. [...]
ATL-PHYS-PROC-2017-023. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5677.
Top-quark production at hadron colliders / Knue, Andrea (Max-Planck-Institut fuer Physik)
Top-quark production at hadron colliders
ATL-PHYS-PROC-2017-022. - 2017. - 17 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5678.
Differential $t\bar{t}$ cross-section measurements in the lepton+jets channel at $\sqrt{s}=13~\mathrm{TeV}$ using the ATLAS detector / Bielski, Rafal (School of Physics and Astronomy, University of Manchester)
Measurements of differential cross-sections of top-quark pair production are presented as a function of the top-quark and $t\bar{t}$ system kinematic observables in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=13~\mathrm{TeV}$. [...]
ATL-PHYS-PROC-2017-021. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5679.
Studies of double parton scattering in ATLAS / Lobodzinska, Ewelina Maria (DESY, Hamburg and Zeuthen)
In this contribution, Double Parton Scattering processes observed with the ATLAS detector at LHC are discussed. [...]
ATL-PHYS-PROC-2017-026. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5680.
Search for pair production of vector-like top quarks in events with one lepton and an invisibly decaying Z boson in $\sqrt{s} = 13$ TeV pp collisions at the ATLAS detector
The results of a search for vector-like top quarks in the $Zt + X$ channel using final states with exactly one lepton, at least four jets, and large missing transverse momentum are reported. [...]
ATLAS-CONF-2017-015. - 2017. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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5681.
Search for the dimuon decay of the Higgs boson in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for the dimuon decay of the Higgs boson has been performed using data corresponding to an integrated luminosity of 36.1 $\text{fb}^{-1}$ collected with the ATLAS detector in $pp$ collisions at $\sqrt{s}=$13 TeV at the LHC. [...]
ATLAS-CONF-2017-014. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5682.
Search for new phenomena in a lepton plus high jet multiplicity final state with the ATLAS experiment using sqrt(s) = 13 TeV proton–proton collision data
A search for new phenomena in final states characterized by high jet multiplicity, an isolated lepton (electron or muon) and either zero or at least three b-tagged jets is presented. [...]
ATLAS-CONF-2017-013. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5683.
ATLAS results on diffraction and exclusive production / Tasevsky, Marek (Academy of Sciences of the Czech Republic, Institute of Physics)
Various aspects of forward physics have been studied by the ATLAS collaboration using data from Run I at the LHC. [...]
ATL-PHYS-PROC-2017-025. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5684.
Latest Higgs Physics results from the ATLAS experiment / De Groot, Nicolo (Radboud University Nijmegen and NIKHEF)
Since the discovery in 2012, many measurements have been made on the production and prop- erties of the 125 GeV Higgs boson. [...]
ATL-PHYS-PROC-2017-024. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - PoS server
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5685.
Search for Dark Matter Produced in Association with a Higgs Boson Decaying to $b\bar b$ at $\sqrt s=13$ TeV with the ATLAS Detector
Several extensions of the Standard Model predict associated production of Dark Matter particles with a Higgs boson. [...]
ATLAS-CONF-2017-028. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5686.
Search for new high-mass phenomena in the dilepton final state using 36.1 fb$^{-1}$ of proton-proton collision data at $\sqrt{s} =$ 13 TeV with the ATLAS detector
A search is conducted for new resonant and non-resonant high-mass phenomena in dielectron and dimuon final states. [...]
ATLAS-CONF-2017-027. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5687.
Latest ATLAS results on $\phi_s$ / Reznicek, Pavel (Charles University, Faculty of Mathematics and Physics, Prague)
New Physics effects beyond the predictions of the Standard Model may manifest in the $CP$-violation of $b$-hadron decays. [...]
ATL-PHYS-PROC-2017-029. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5688.
A TTC to Data Acquisition interface for the ATLAS Tile Hadronic calorimeter at the LHC / Valero, Alberto (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Garcia Aparisi, Francisco Brandan (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Torres Pais, Jose Gabriel (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Soret Medel, Jesús (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Garcia Olcina, Raimundo (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Martos Torres, Julio (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Fiorini, Luca (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Carrio Argos, Fernando (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Valls Ferrer, Juan Antonio (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Zuccarello, Pedro Diego (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
TileCal is the central tile hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider (LHC) at CERN. [...]
ATL-TILECAL-PROC-2017-003. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5689.
Highlights of LHC experiments – Part I / Charlton, Dave (University of Birmingham)
The superb performance of the LHC accelerator in 2016, in both live time and peak luminosity, has provided a large data sample of collisions at 13 TeV. [...]
ATL-PHYS-PROC-2017-028. - 2017. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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5690.
Search for long-lived, massive particles in events with displaced vertices and missing transverse momentum in 13 TeV $pp$ collisions with the ATLAS detector
A search for long-lived, massive particles, as generically predicted by many theories beyond the Standard Model, is presented. [...]
ATLAS-CONF-2017-026. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5691.
A search for pair-produced resonances in four-jet final states at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for massive colored resonances which are pair produced and each decay into two-jets is presented. [...]
ATLAS-CONF-2017-025. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5692.
Search for new phenomena in events with missing transverse momentum and a Higgs boson decaying into two photons at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for new phenomena in events with missing transverse momentum and a Standard Model (SM) Higgs boson decaying into two photons is presented. [...]
ATLAS-CONF-2017-024. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5693.
Angular analysis of $B^0_d \to K^{*}\mu^+\mu^-$ decays in $pp$ collisions at $\sqrt{s}= 8$ TeV with the ATLAS detector
An angular analysis of the decay $B^0_d \to K^{*}\mu^+\mu^-$ is presented using proton-proton collisions at $\sqrt{s}=8$ TeV from LHC data analysed with the ATLAS detector. [...]
ATLAS-CONF-2017-023. - 2017. - 32 p.
Original Communication (restricted to ATLAS) - Full text
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5694.
Search for squarks and gluinos in final states with jets and missing transverse momentum using 36 fb$^{−1}$ of $\sqrt{s} =13$ TeV pp collision data with the ATLAS detector
A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing hadronic jets and missing transverse momentum, but no electrons or muons, are presented. [...]
ATLAS-CONF-2017-022. - 2017. - 45 p.
Original Communication (restricted to ATLAS) - Full text
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5695.
Search for production of supersymmetric particles in final states with missing transverse momentum and multiple b-jets at $\sqrt{s} = 13$ TeV proton-proton collisions with the ATLAS detector
A search for supersymmetry involving the pair production of gluinos decaying via third-generation squarks to the lightest neutralino ($\displaystyle\tilde\chi^0_1$) is reported. [...]
ATLAS-CONF-2017-021. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5696.
Search for a Scalar Partner of the Top Quark in the Jets+ETmiss Final State at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for direct pair production of a scalar partner to the top quark in events with four or more jets plus missing transverse momentum is presented. [...]
ATLAS-CONF-2017-020. - 2017. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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5697.
Search for direct top squark pair production in events with a Higgs or $Z$ boson, and missing transverse momentum in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
A search for direct top squark pair production resulting in events with either a same-flavour opposite-sign dilepton pair with invariant mass compatible with a $Z$ boson or a pair of jets compatible with a Standard Model (SM) Higgs boson ($h$) is presented. [...]
ATLAS-CONF-2017-019. - 2017. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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5698.
Search for Heavy Resonances Decaying to a W or Z Boson and a Higgs Boson in the $q\bar{q}^{(\prime)}b\bar{b}$ Final State in $pp$ Collisions at $\sqrt{s}$ = 13 TeV with the ATLAS Detector
A search for heavy resonances decaying to a $W$ or $Z$ boson and a Higgs boson in the $q\bar{q}^{(\prime)}b\bar{b}$ final state is described. [...]
ATLAS-CONF-2017-018. - 2017. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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5699.
Search for long-lived charginos based on a disappearing-track signature in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
Nearly degenerate electroweak gaugino mass eigenstates appear in many supersymmetric scenarios. [...]
ATLAS-CONF-2017-017. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5700.
Inclusive jets and jet substructure in 2.76 TeV and 5.02 TeV pp and Pb+Pb collisions with the ATLAS detector / Spousta, Martin (Charles University, Faculty of Mathematics and Physics, Prague)
We report on new measurements of jet yields and jet fragmentation in 2.76 TeV and 5.02 TeV Pb+Pb and pp collisions that were performed with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2017-027. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5701.
Search for a new heavy gauge boson resonance decaying into a lepton and missing transverse momentum in 36 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS experiment
The results of a search for new heavy $W^\prime$ bosons decaying to an electron or muon and a neutrino using proton--proton collision data at a centre-of-mass energy of $\sqrt{s}~=~13$ TeV are presented. [...]
ATLAS-CONF-2017-016. - 2017. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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5702.
Measurement of multi-particle azimuthal correlations with the subevent cumulant method in $pp$ and $p+$Pb collisions with the ATLAS detector / Zhou, Mingliang (Stony Brook University)
The measurement of four-particle cumulant elliptic flow coefficients $c_{2}\{4\}$ and $v_{2}\{4\}$ are presented using $pp$ data at $\sqrt{s}=5.02$ and $\sqrt{s}=13$ TeV, and $p+$Pb data at $\sqrt{s_{\text{NN}}}=5.02$ TeV. [...]
ATL-PHYS-PROC-2017-036. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5703.
$Z$ boson production in 5.02 TeV pp, p+Pb and Pb+Pb collisions with ATLAS / Citron, Zvi Hirsh (Department of Particle Physics, The Weizmann Institute of Science)
$Z$ bosons are short lived and do not participate in the strong interaction. [...]
ATL-PHYS-PROC-2017-035. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5704.
Heavy ion results from ATLAS / Jia, Jiangyong (Stony Brook University)
These proceedings provide an overview of the new results obtained with the ATLAS Detector at the LHC, which are presented in the Quark Matter 2017 conference. [...]
ATL-PHYS-PROC-2017-034. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5705.
Two- and multi-particle azimuthal correlations in small collision systems with the ATLAS detector / Trzupek, Adam (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
The recent ATLAS results on two- and multi-particle azimuthal correlations of charged particles are presented for $\sqrt{s}$=~5.02 TeV and 13 TeV $pp$, $\sqrt{s_\mathrm{NN}}$= 5.02 TeV $p$+Pb and $\sqrt{s_\mathrm{NN}}$= 2.76 TeV low-multiplicity Pb+Pb collisions. [...]
ATL-PHYS-PROC-2017-033. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5706.
Measurement of charmonium production in heavy-ion collisions with the ATLAS detector / Lopez, Jorge (Universidad Tecnica Federico Santa Maria)
The suppression of heavy charmonia states in heavy-ion collisions is a phenomenon understood as a consequence of quark gluon plasma formation in the hot, dense system formed in heavy ion collisions at the LHC. [...]
ATL-PHYS-PROC-2017-032. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5707.
Identification of Hadronically-Decaying W Bosons and Top Quarks Using High-Level Features as Input to Boosted Decision Trees and Deep Neural Networks in ATLAS at $\sqrt{s}$ = 13 TeV
The application of boosted decision trees and deep neural networks to the identification of hadronically-decaying W bosons and top quarks using high-level jet observables as inputs is investigated using Monte Carlo simulations. [...]
ATL-PHYS-PUB-2017-004. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5708.
Electromagnetic processes in ultra-peripheral Pb+Pb collisions with ATLAS / Dyndal, Mateusz (DESY, Hamburg and Zeuthen)
The large equivalent-photon fluxes accompanying Pb ion beams at the LHC initiate photon–photon interactions, which occur when the colliding nuclei have large impact parameter (ultra-peripheral collisions). [...]
ATL-PHYS-PROC-2017-031. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5709.
Jet fragmentation in $pp$, $p$+Pb and Pb+Pb collisions in the ATLAS detector / Slovak, Radim (Charles University, Faculty of Mathematics and Physics, Prague)
Jets are an important tool to study the hot, dense matter produced in Pb+Pb collisions at the LHC. [...]
ATL-PHYS-PROC-2017-030. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5710.
High-throughput and low-latency network communication with NetIO / Schumacher, Jorn (University of Paderborn (DE) ; CERN) ; Plessl, Christian ; Vandelli, Wainer (European Laboratory for Particle Physics, CERN)
HPC network technologies like Infiniband, TrueScale or OmniPath provide low- latency and high-throughput communication between hosts, which makes them attractive options for data-acquisition systems in large-scale high-energy physics experiments. [...]
ATL-DAQ-PROC-2017-010. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text
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5711.
Functional tests of a prototype for the CMS-ATLAS common non-event data handling framework / Sipos, Roland (Eotvos Lorand University (HU)) ; Formica, Andrea (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay) ; Franzoni, Giovanni (CERN) ; Govi, Giacomo (Fermi National Accelerator Lab. (US)) ; Pfeiffer, Andreas (CERN)
Since 2014 the ATLAS and CMS experiments share a common vision on the database infrastructure for the handling of the non-event data in forthcoming LHC runs. [...]
ATL-SOFT-PROC-2017-052. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - IOP Open Access Article
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5712.
Photon-jet correlations in $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV $pp$ and Pb+Pb collisions with ATLAS at the LHC / Steinberg, Peter (Brookhaven National Laboratory (BNL))
Nuclear collisions which produce a high $p_\mathrm{T}$ prompt photon offer a useful way to study the dynamics of the hot, dense medium produced in these events. [...]
ATL-PHYS-PROC-2017-038. - 2017. - 4.
Original Communication (restricted to ATLAS) - Full text - Full text
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5713.
Measurement of longitudinal flow correlations in Pb+Pb collisions at $\sqrt{s_{NN}}=2.76$ and 5.02 TeV with the ATLAS detector / Huo, Peng (Stony Brook University)
Measurements of longitudinal flow correlations are presented for charged particles in the pseudorapidity range $|\eta|<2.4$ using Pb+Pb collisions at $\sqrt{s_{NN}}=2.76$ and $5.02$ TeV, respectively, with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2017-037. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5714.
Measurement of the W boson mass at ATLAS / Ruiz-Martinez, Aranzazu (Carleton University) ; ATLAS Collaboration
A measurement of the mass of the $W$ boson is presented based on proton–proton collision data recorded in 2011 at a centre-of-mass energy of 7 TeV with the ATLAS detector at the LHC, and corresponding to 4.6 fb$^{−1}$ of integrated luminosity..
ATL-PHYS-PROC-2017-040. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5715.
A study of different colour reconnection settings for Pythia8 generator using underlying event observables
A study of the performance of various colour reconnection models included in the Pythia8 Monte Carlo event generator is performed using leading charged-particle underlying event data in three centre-of-mass energies from Run 1 and Run 2, measured in ATLAS. [...]
ATL-PHYS-PUB-2017-008. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5716.
Studies on top-quark Monte Carlo modelling with Sherpa and MG5_aMC@NLO
This note presents the status of recent studies of modern Monte Carlo generator setups for the pair production of top quarks at the LHC. [...]
ATL-PHYS-PUB-2017-007. - 2017. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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5717.
ATLAS simulation of boson plus jets processes in Run 2
This note describes the ATLAS simulation setup used to model the production of single electroweak bosons ($W$, $Z\gamma^\ast$ and prompt $\gamma$) in association with jets in proton--proton collisions at centre-of-mass energies of 8 and 13 TeV. [...]
ATL-PHYS-PUB-2017-006. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5718.
Multi-Boson Simulation for 13 TeV ATLAS Analyses
This note describes the Monte Carlo setup used by ATLAS to model multi-boson processes in 13 TeV pp collisions. [...]
ATL-PHYS-PUB-2017-005. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5719.
Searching For Exotic Physics Beyond the Standard Model: Extrapolation Until the End of Run-3 / Genest, Marie-Hel\`ene (LPSC, Grenoble)
The prospects of looking for exotic beyond-the-Standard-Model physics with the ATLAS and CMS detectors at the LHC in the rest of Run-2 and in Run-3 will be reviewed. [...]
ATL-PHYS-PROC-2017-039. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Moriond_EW_2017_141
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5720.
Measurement of the tau lepton reconstruction and identification performance in the ATLAS experiment using $pp$ collisions at $\sqrt{s}=13~{\rm TeV}$
This document details measurements of the performance of the reconstruction and identification of hadronic tau lepton decays using the ATLAS detector. [...]
ATLAS-CONF-2017-029. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5721.
The design and simulated performance of a fast Level 1 track trigger for the ATLAS High Luminosity Upgrade / Martensson, Mikael (Uppsala University, Department of Physics and Astronomy)
The ATLAS experiment at the High Luminosity LHC will face a fivefold increase in the number of interactions per bunch crossing relative to the ongoing Run 2. [...]
ATL-DAQ-PROC-2017-011. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5722.
Searches with boosted objects at ATLAS and CMS / Brooijmans, Gustaaf (Nevis Laboratory, Columbia University)
The discovery of the Higgs boson confirms the validity of the Standard Model and suggests new physics should exist close to the Higgs mass scale. [...]
ATL-PHYS-PROC-2017-052. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5723.
W mass measurement / Andari, Nansi (University of Birmingham)
I describe the first measurement of the W boson mass at the LHC performed using 4.6 fb^-1 of proton-proton collision data recorded in 2011 at a centre-of-mass energy of 7 TeV with the ATLAS detector, as well as the W-like Z boson mass measurement performed by the CMS collaboration. [...]
ATL-PHYS-PROC-2017-051. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Moriond_EW_2017_71
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5724.
QCD with jets and photons at ATLAS and CMS / Barnovska-Blenessy, Zuzana (University of Science and Technology of China)
A selection of recent QCD measurements by the ATLAS and CMS collaborations in final states with photons and jets is presented. [...]
ATL-PHYS-PROC-2017-050. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5725.
Inclusive and differential W/Z cross-section measurements at ATLAS and CMS / Wolter, Marcin Wladyslaw (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
The ATLAS and CMS collaborations presented recent measurements on the differential and inclusive cross-sections of the W and Z bosons production in association with jets and heavy flavour quarks at the LHC at center-of-mass energies of 7, 8 and 13 TeV. [...]
ATL-PHYS-PROC-2017-049. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5726.
Standard-Model precision measurements with W and Z bosons using the ATLAS detector / Kouskoura, Vasiliki (Brookhaven National Laboratory (BNL))
High-precision measurements by the ATLAS Collaboration are presented using data that were collected in proton-proton collisions at the LHC at several centre-of mass energies. [...]
ATL-PHYS-PROC-2017-048. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5727.
Modeling and Validating Time, Buffering, and Utilization of a Large-Scale, Real-Time Data Acquisition System / Santos, Alejandro (Kirchhoff-Institut f\"{u}r Physik ; CERN) ; Garcia Garcia, Pedro Javier ; Vandelli, Wainer (CERN) ; Froening, Holger
Data acquisition systems for large-scale high-energy physics experiments have to handle hundreds of gigabytes per second of data, and are typically realized as specialized data centers that connect a very large number of front-end electronics devices to an event detection and storage system. [...]
ATL-DAQ-PROC-2017-012. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5728.
Search for high mass resonances with ATLAS / Testa, Marianna (INFN e Laboratori Nazionali di Frascati)
Many theories beyond the Standard Model predict new phenomena accessible at the LHC. [...]
ATL-PHYS-PROC-2017-047. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5729.
Performance of the ATLAS Tile Calorimeter / Hrynevich, Aliaksei (Research Institute for Nuclear Problems of Byelorussian State University)
The Tile Calorimeter (TileCal) is the central scintillator-steel sampling hadronic calorimeter of the ATLAS experiment at the LHC. [...]
ATL-TILECAL-PROC-2017-004. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5730.
Search for $Z\gamma$ resonances in pp collisions with the ATLAS detector / Readioff, Nathan Peter (LPSC, Grenoble)
An overview of the search for $Z\gamma$ resonances using proton-proton collision data recorded by the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2017-046. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Moriond_EW_2017_429
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5731.
ATLAS jet and missing energy reconstruction, calibration and performance in LHC Run-2 / Hrynevich, Aliaksei (Research Institute for Nuclear Problems of Byelorussian State University)
The performance of the reconstruction and calibration of the jet energy scale and missing transverse energy scale with the ATLAS detector at the LHC is a key component to realize the ATLAS full physics potential, both in the searches for new physics and in precision measurements. [...]
ATL-PHYS-PROC-2017-045. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5732.
Quark versus Gluon Jet Tagging Using Charged Particle Multiplicity with the ATLAS Detector
Distinguishing quark-initiated from gluon-initiated jets is useful for many measurements and searches at the LHC. [...]
ATL-PHYS-PUB-2017-009. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5733.
Pushing limits on generic squarks and gluinos with 13 TeV data / Kuwertz, Emma Sian (University of Victoria)
The Large Hadron Collider delivered $pp$ collision data at a record energy of $\sqrt{s}=13$~TeV during 2015 and 2016. [...]
ATL-PHYS-PROC-2017-044. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Moriond_EW_2017_111
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5734.
Beam-gas Background Observations at LHC / ATLAS Collaboration
Observations of beam-induced background at LHC during 2015 and 2016 are presented in this paper. [...]
ATL-DAPR-PROC-2017-002. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5735.
Production of quarkonia states with the ATLAS detector / Xu, Lailin (Brookhaven National Laboratory (BNL))
A wide program of studies of heavy flavour production at LHC is performed with the ATLAS detector, including charm and beauty hadrons, quarkonia production in both flavours, and associated production of J/psi + W, J/psi + Z and J/psi + J/psi. [...]
ATL-PHYS-PROC-2017-043. - 2017. - 8.
Original Communication (restricted to ATLAS) - Full text - Full text
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5736.
$ZZ\rightarrow\ell^{+}\ell^{-}\ell '^{+} \ell '^{-}$ cross-section measurements and aTGC search in 13 TeV $pp$ collisions with the ATLAS detector
Measurements of $ZZ$ production in the $\ell^{+}\ell^{-}\ell^{\prime +}\ell^{\prime -}$ channel in proton-proton collisions at 13 TeV center-of-mass energy at the Large Hadron Collider are presented, using 36.1 $\mathrm{fb}^{-1}$ of data collected by the ATLAS experiment in 2015 and 2016. [...]
ATLAS-CONF-2017-031. - 2017. - 41 p.
Original Communication (restricted to ATLAS) - Full text
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5737.
Femtoscopy in $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV $p$-Pb collisions with ATLAS / Clark, Michael (Nevis Laboratory, Columbia University)
Bose-Einstein correlations between identified charged pions are measured for $p$+Pb collisions at $\sqrt{s_\mathrm{NN}}=5.02$ TeV with the ATLAS detector using a total integrated luminosity of 28 nb$^{-1}$. [...]
ATL-PHYS-PROC-2017-042. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5738.
Measurements of integrated and differential cross sections for isolated photon pair production in 8 TeV pp collisions at ATLAS / Saimpert, Matthias (DESY, Hamburg and Zeuthen)
A measurement of the production cross section for two isolated photons in proton--proton collisions at a center-of-mass energy of $\sqrt{s}=8$ TeV is presented. [...]
ATL-PHYS-PROC-2017-041. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5739.
The Phase-II ATLAS ITk Pixel Upgrade / Terzo, Stefano (Institut de Fisica d'Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Barcelona, Spain)
The entire tracking system of the ATLAS experiment will be replaced during the LHC Phase~2 shutdown (foreseen to take place around 2025) by an all-silicon detector called the ``ITk'' (Inner Tracker). [...]
ATL-ITK-PROC-2017-002. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5740.
Search for supersymmetry in final states with two same-sign or three leptons and jets using 36 fb−1 of s√=13 TeV pp collision data with the ATLAS detector
A search for strongly produced supersymmetric particles using signatures involving several energetic jets and either two isolated same-sign leptons ($e$ or $\mu$), or at least three isolated leptons, is presented. [...]
ATLAS-CONF-2017-030. - 2017. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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5741.
Higgs with Hadronic Signatures / Murray, W.J. (Rutherford ; Warwick U.)
Proceedings for Moriond QCD
arXiv:1705.06915. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Full text - Full text
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5742.
Upgrade of the ATLAS hadronic Tile Calorimeter for the High luminosity LHC / Solodkov, Alexander (State Research Center Institute for High Energy Physics (Protvino), NRC KI)
The Tile Calorimeter (TileCal) is the hadronic calorimeter of ATLAS covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2017-005. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5743.
Measurement of the W boson mass with the ATLAS detector / Balli, Fabrice (IRFU, Saclay, DPP)
The W boson mass ($m_W$) is a fundamental parameter of the Standard Model (SM) and was measured by several experiments at high energy $e^{+}e^{-}$ and $p\bar{p}$ colliders. [...]
ATL-PHYS-PROC-2017-056. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5744.
Inclusive isolated-photon production in pp collisions at \sqrt{s}=13 TeV / Cueto , Ana (Physics Department, Universidad Autonoma de Madrid)
Measurements of prompt photon production in proton-proton collisions provide a testing ground of perturbative QCD with a hard colourless probe. [...]
ATL-PHYS-PROC-2017-055. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5745.
Higgs boson results from the ATLAS experiment at LHC / Nicolaidou, Rosy (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay)
This report highlights some of the latest results on the Higgs boson studies with the ATLAS experiment at the LHC, using proton-proton collision data at centre-of-mass energy of $\sqrt {s} =$ 13~TeV collected during 2015 and 2016..
ATL-PHYS-PROC-2017-054. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5746.
Top quark properties measurements at the LHC / Owen, Mark (University of Glasgow, SUPA - School of Physics and Astronomy)
Highlights of measurements of the properties of the top quark at the LHC are presented. [...]
arXiv:1705.09089. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext
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5747.
Cornering natural SUSY with $\sqrt{s}=13 TeV$ data / Petridis, Andreas (University of Adelaide)
Naturalness arguments for weak-scale supersymmetry favour supersymmetric partners of top quarks and Higgsinos with masses not too far from those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2017-058. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Moriond_EW_2017_125
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5748.
A Complete Readout Chain of the ATLAS Tile Calorimeter for the HL-LHC: from FATALIC Front-End Electronics to Signal Reconstruction / Senkin, Sergey (Clermont-Ferrand U.)
The ATLAS Collaboration has started a vast programme of upgrades in the context of high-luminosity LHC (HL-LHC) foreseen in 2024. [...]
ATL-TILECAL-PROC-2017-006. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5749.
A search for B-L R-parity-violating scalar tops in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS experiment
A search is presented for the direct production of scalar top pairs which decay through an $R$-parity-violating coupling to a final state with two leptons and two jets, at least one of which is identified as a $b$-jet. [...]
ATLAS-CONF-2017-036. - 2017. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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5750.
Search for the direct production of charginos and neutralinos in final states with tau leptons in $\sqrt {s} =$ 13 TeV pp collisions with the ATLAS detector
A search for the direct production of charginos and neutralinos in final states with at least two hadronically decaying tau leptons is presented. [...]
ATLAS-CONF-2017-035. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5751.
Search for direct top squark pair production in final states with two leptons in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector
The results of a search for direct pair production of top-squarks in events with two leptons (electrons or muons) are reported. [...]
ATLAS-CONF-2017-034. - 2017. - 48 p.
Original Communication (restricted to ATLAS) - Full text
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5752.
Search for new phenomena with large jet multiplicities and missing transverse momentum using large-radius jets and flavour-tagging at ATLAS in 13 TeV pp collisions
A search is presented for particles that decay producing a large jet multiplicity and invisible particles. [...]
ATLAS-CONF-2017-033. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5753.
Measurement of inclusive and differential cross sections in the $H \rightarrow ZZ^* \rightarrow 4\ell$ decay channel at 13 TeV with the ATLAS detector
Inclusive and differential fiducial cross sections of Higgs-boson production in proton-proton collisions are measured in the $H \rightarrow ZZ^* \rightarrow 4\ell$ decay channel. [...]
ATLAS-CONF-2017-032. - 2017. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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5754.
Construction and Quality Assurance of Large Area Resistive Strip Micromegas for the Upgrade of the ATLAS Muon Spectrometer at LHC/CERN / Losel, Philipp Jonathan (Ludwig-Maximilians-Univ. Muenchen (DE))
Large area Micromegas detectors will be employed for the first time in high-energy physics experiments. [...]
ATL-MUON-PROC-2017-003. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5755.
Search for electroweak production of supersymmetric particles in the two and three lepton final state at $\boldmath{\sqrt{s}=13\,}$TeV with the ATLAS detector
A search for the electroweak production of charginos, neutralinos and sleptons decaying to final states involving two or three electrons or muons is presented. [...]
ATLAS-CONF-2017-039. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5756.
Top quark pair property measurements and $t\bar{t}+X$, using the ATLAS detector at the LHC / Rosien, Nils-Arne (Gottingen U.)
Measuring the properties of the top quark has been proven to be a reliable test of the Standard Model of particle physics (SM). [...]
ATL-PHYS-PROC-2017-059. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5757.
ATLAS Tile calorimeter calibration and monitoring systems / Cortes-Gonzalez, Arely (CERN)
The ATLAS Tile Calorimeter is the central section of the hadronic calorimeter of the ATLAS experiment and provides important information for reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. [...]
ATL-TILECAL-PROC-2017-008. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5758.
Upgrade of the ATLAS hadronic Tile calorimeter for the High luminosity LHC / Asensi Tortajada, Ignacio (Witwatersrand U. ; Valencia U.)
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS detector at the LHC. [...]
ATL-TILECAL-PROC-2017-007. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5759.
Search for Supersymmetry in events with $b$-tagged jets and missing transverse energy in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for the supersymmetric partner of the Standard Model bottom and top quarks is presented. [...]
ATLAS-CONF-2017-038. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5760.
Search for top squarks in final states with one isolated lepton, jets, and missing transverse momentum using 36.1fb$^{−1}$ of $\sqrt{13}$ TeV pp collision data with the ATLAS detector
The results of a search for the direct pair production of stops, the supersymmetric partner of the top-quark, in final states with one isolated electron or muon, several energetic jets, and missing transverse momentum are reported. [...]
ATLAS-CONF-2017-037. - 2017. - 78 p.
Original Communication (restricted to ATLAS) - Full text
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5761.
NEW RESULTS ON COLLECTIVITY WITH ATLAS / Wozniak, Krzysztof (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
The collective phenomena are observed not only in heavy ion collisions, but also in the proton-nucleus and in high-multiplicity pp collisions. [...]
ATL-PHYS-PROC-2017-064 ; arXiv:1706.04025. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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5762.
Development of ATLAS Liquid Argon Calorimeter Readout Electronics for the HL-LHC / Brooijmans, Gustaaf (Nevis Laboratory, Columbia University)
The LHC high-luminosity upgrade in 2024-2026 requires the associated detectors to operate at luminosities about 5-7 times larger than assumed in their original design. [...]
ATL-LARG-PROC-2017-001. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5763.
Measurement of Minimum Bias Observables with ATLAS / Kvita, Jiri (Palacky University, RCPTM)
The modelling of Minimum Bias (MB) is a crucial ingredient to learn about the description of soft QCD processes. [...]
ATL-PHYS-PROC-2017-063 ; arXiv:1706.06151. - 2017. - 12 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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5764.
Measurements of photo-nuclear jet production in Pb+Pb collisions with ATLAS / Angerami, Aaron (Nevis Laboratory, Columbia University)
Ultra-peripheral heavy ion collisions provide a unique opportunity to study the parton distributions in the colliding nuclei via the measurement of photo-nuclear jet production. [...]
ATL-PHYS-PROC-2017-062. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5765.
Recent Results on Soft QCD Topics from ATLAS / Minaenko, Andrey (State Research Center Institute for High Energy Physics (Protvino), NRC KI)
The ATLAS collaboration has performed several measurements in special data sets with low LHC beam currents, recorded at a center-of-mass energy of 13 TeV: Measurements of the inclusive charged-particle multiplicity and its dependence on transverse momentum and pseudorapidity are presented and compared with predictions of various MC generators. [...]
ATL-PHYS-PROC-2017-061. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5766.
Electromagnetic processes in ultra-peripheral lead-lead collisions with ATLAS / Guzik, Marcin Pawel (AGH-UST, Cracow)
The large equivalent-photon fluxes accompanying Pb ion beams at the LHC initiate photonphoton and photo-nuclear interactions which dominate when the colliding nuclei have large impact parameter (ultra-peripheral collisions). [...]
ATL-PHYS-PROC-2017-060. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5767.
Secondary vertex finding for jet flavour identification with the ATLAS detector
A high performance identification of jets produced via fragmentation of bottom quarks is crucial for the ATLAS physics programme. [...]
ATL-PHYS-PUB-2017-011. - 2017. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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5768.
Laboratory tests of the response stability of the ATLAS Tile Calorimeter photomultipliers / Kazanin, Vassili (Budker Institute of Nuclear Physics, Siberian Branch of Russian Academy of Sciences) ; Leone, Sandra (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Scuri, Fabrizio (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
High performance of the ATLAS Tile Calorimeter response is achieved with a multi- stage calibration. [...]
ATL-TILECAL-PROC-2017-009. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5769.
The ATLAS Muon-to-Central Trigger Processor Interface (MUCTPI) Upgrade / Spiwoks, Ralf (CERN) ; Armbruster, Aaron James (CERN) ; Carrillo-Montoya, German D. (CERN) ; Chelstowska, Magda Anna (CERN) ; Czodrowski, Patrick (CERN) ; Deviveiros, Pier-Olivier (CERN) ; Eifert, Till (CERN) ; Ellis, Nicolas (CERN) ; Galster, Gorm Aske Gram Krohn (Bohr Inst. ; CERN) ; Haas, Stefan (CERN) et al.
The Muon-to-Central Trigger Processor Interface (MUCTPI) is part of the Level-1 trigger system of the ATLAS experiment at the Large Hadron Collider (LHC) at CERN. [...]
ATL-DAQ-PROC-2017-013. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5770.
Cross-section and couplings measurements with the ATLAS detector for the 125 GeV Higgs boson in the diboson decay channels / Leight, William Axel (DESY)
Detailed measurements of the properties of the $125$ GeV Higgs boson are fundamental for the understanding of the electroweak symmetry breaking mechanism. [...]
ATL-PHYS-PROC-2017-065. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5771.
Variable Radius, Exclusive-k$_{T}$, and Center-of-Mass Subjet Reconstruction for Higgs($\rightarrow b\bar{b}$) Tagging in ATLAS
Many physics searches in Run 2 of the Large Hadron Collider involve boosted Higgs bosons, which decay to two $b$-quarks with a large branching ratio. [...]
ATL-PHYS-PUB-2017-010. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5772.
Production of the hidden charm state $X(3872)$ and of $\psi(2S)$ with the ATLAS detector / Broughton, James (Birmingham U.)
Differential cross sections are presented for the prompt and non-prompt production of the hidden-charm state $X(3872)$ and $\psi(2S)$, in the decay mode $J/\psi\pi^+\pi^-$, measured at $\sqrt{s} = 8$ TeV by the ATLAS detector at LHC. [...]
ATL-PHYS-PROC-2017-077. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5773.
The Phase-I Upgrade of the ATLAS First Level Calorimeter Trigger / Andrei, George Victor (Kirchhoff Inst. Phys.)
The ATLAS Level-1 calorimeter trigger is planning a series of upgrades in order to face the challenges posed by the upcoming increase of the LHC luminosity. [...]
ATL-DAQ-PROC-2017-017. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5774.
Associated production of $J/\psi$ pairs with the ATLAS detector / Watson, Miriam (University of Birmingham)
A recent measurement of prompt $J/\psi$ pair production is presented, using a sample of 11.4 fb$^{-1}$ of proton-proton collision data collected at $\sqrt{s} = 8$ TeV in the ATLAS detector. [...]
ATL-PHYS-PROC-2017-076. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Open Access Article
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5775.
The Phase-1 Upgrade of the ATLAS Level-1 Endcap Muon Trigger / Akatsuka, Shunichi (Kyoto University, Department of Physics)
Proceedings for TIPP 2017, on Phase-1 Upgrade of the Level-1 Endcap Muon trigger. [...]
ATL-DAQ-PROC-2017-016. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5776.
Tracking and Vertexing with the ATLAS Inner Detector in the LHC Run-2 / Choi, Kyungeon (Indiana University)
Run-2 of the Large Hadron Collider (LHC) has provided new challenges to track and vertex reconstruction with higher centre-of-mass energies and luminosity leading to increasingly high-multiplicity environments, boosted, and highly-collimated physics objects. [...]
ATL-PHYS-PROC-2017-075. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5777.
Higgs and New Physics at ATLAS and CMS / Giagu, Stefano (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
Results of the search for new physics effects in proton-proton collision data at s = 13 TeV collected by the ATLAS and CMS detectors at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2017-074. - 2017. - 11 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5778.
Search for the 125 GeV Higgs boson in the ttH production mode with the ATLAS detector / Nagy, Elemér (Marseille, CPPM)
Results from the search for the 125 GeV Higgs boson in the $ttH$ production mode, obtained with the ATLAS detector at the LHC, are presented. [...]
ATL-PHYS-PROC-2017-073. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Open Access Article
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5779.
Measurement of angular correlations in proton-proton and proton-lead collisions with the ATLAS detector at the LHC / Janus, Piotr Andrzej (AGH-UST, Cracow)
ATLAS measurements of angular correlations between particle pairs at large pseudorapidity separation in $pp$ and $p$+Pb collisions are presented. [...]
ATL-PHYS-PROC-2017-072. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5780.
2nd and 3rd generation couplings with 13 TeV data 15' / Gaycken, Goetz (University of Bonn)
The data taken at $7$ and $8\TeV$ at the LHC significantly constrain many couplings of the newly discovered Higgs-like boson. [...]
ATL-PHYS-PROC-2017-071. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5781.
Coupling measurements for the 125 GeV Higgs Boson in the fermion decay channels with the ATLAS detector / Ta, Duc Bao (Freiburg U.)
Detailed measurements of the properties of the 125 GeV Higgs boson are fundamental for the understanding of the mechanism reponsible for the electroweak symmetry breaking. [...]
ATL-PHYS-PROC-2017-070. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5782.
AFP: First experience with data and future plans / Gach, Grzegorz (AGH-UST, Cracow)
The ATLAS Forward Proton (AFP) detector system aims at the measurement of protons scattered diffractively or electromagnetically at very small angles. [...]
ATL-PHYS-PROC-2017-069. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Open Access Article
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5783.
High-$E_T$ isolated-photon plus jets production in $pp$ collisions at $\sqrt s$ = 8 TeV with the ATLAS detector / De la Torre, Hector (Michigan State U.)
The dynamics of isolated-photon plus one-, two- and three-jet production in $pp$ collisions at a centre-of-mass energy of $8$ TeV are studied with the ATLAS detector at the LHC using a data set with an integrated luminosity of $20.2$ fb$^{-1}$. [...]
ATL-PHYS-PROC-2017-068. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5784.
Automated load balancing in the ATLAS high-performance storage software / Le Goff, Fabrice (CERN) ; Vandelli, Wainer (CERN)
The ATLAS experiment collects proton-proton collision events delivered by the LHC accelerator at CERN. [...]
ATL-DAQ-PROC-2017-015. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5785.
High precision measurement of the differential $W$ and $Z$ boson production cross sections with the ATLAS experiment / Sommer, Philip (Freiburg U.)
Measurements of the Drell-Yan production of $W$ and $Z/\gamma^*$ bosons at the LHC provide a benchmark of our understanding of perturbative QCD and probe the proton structure in a unique way. [...]
ATL-PHYS-PROC-2017-067. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5786.
The ATLAS Level-1 Trigger System with 13TeV nominal LHC collisions / Helary, Louis (CERN)
The Level-1 (L1) Trigger system of the ATLAS experiment at CERN's Large Hadron Collider (LHC) plays a key role in the ATLAS detector data-taking. [...]
ATL-DAQ-PROC-2017-014. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5787.
Single top-quark production in the ATLAS and CMS Experiments / Moles-Valls, Regina (University of Bonn)
In this contribution, an overview of the measurements of production cross-section and top- quark properties in the single top-quark sector performed by the ATLAS and the CMS exper- iments using LHC proton-proton collision data at center of mass energies of 8 TeV and 13 TeV are presented..
ATL-PHYS-PROC-2017-066. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5788.
Measurements of the production of jets in association with a W or Z boson with the ATLAS detector / Kondrashova, Nataliia (Shanghai, Jiao Tong U.)
The production of jets in association with vector bosons is an important process to study QCD in a multi-scale environment. [...]
ATL-PHYS-PROC-2017-085. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5789.
Search for non-standard and rare decays of the Higgs boson with the ATLAS detector / Caminal Armadans, Roger (Illinois U., Urbana)
Results of the latest searches for non-standard and rare decays of the Higgs boson with the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2017-084. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Open Access Article
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5790.
Measurements of the top quark mass using the ATLAS detector at the LHC / Melini, Davide (Valencia U., IFIC ; Granada U.)
The top quark mass is a fundamental parameter of the Standard Model (SM). [...]
ATL-PHYS-PROC-2017-083. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5791.
Searches for Exotic Phenomena with the ATLAS Detector / Benekos, Nektarios (National Technical University of Athens)
The significant increase of the centre-of-mass energy of the Large Hadron Collider (LHC) from 8 to 13 TeV has allowed the LHC experiments to explore previously inaccessible kinematic regimes in their search for phenomena beyond the Standard Model (BSM). [...]
ATL-PHYS-PROC-2017-082. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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5792.
Search for squarks and gluinos in final states with leptons or no leptons, with the ATLAS detector / Bogavac, Danijela (LMU Munich (main))
Weak scale supersymmetry is one of the best motivated and studied extensions of the Standard Model. [...]
ATL-PHYS-PROC-2017-081. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5793.
Measurement of the diboson production cross section at 8TeV and 13TeV and limits on anomalous triple gauge couplings with the ATLAS detector / Burger, Angela Maria (Annecy, LAPP ; Savoie U. (main))
Diboson measurements allow to test the gauge structure of the Standard Model, verify the validity of Standard Model theory predictions and probe new physics beyond the reach of the LHC in a model-independent way via anomalous triple gauge couplings (aTGC). [...]
ATL-PHYS-PROC-2017-080. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5794.
Modules and Front-End Electronics Developments for the ATLAS ITk Strips Upgrade / Garcia-Argos, Carlos (Albert-Ludwigs-Universitaet Freiburg)
The ATLAS experiment is currently preparing for an upgrade of the tracking system in the course of the High Luminosity LHC, scheduled for 2024. [...]
ATL-ITK-PROC-2017-003. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5795.
Vector boson and quarkonia production in lead-lead collisions with ATLAS detector / Gallus, Petr (CTU, Prague)
Photons and weak bosons do not interact strongly with the dense and hot medium formed in the nuclear collisions, thus should be sensitive to the nuclear modification of parton distribution functions (nPDFs). [...]
ATL-PHYS-PROC-2017-079. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Open Access Article
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5796.
Modeling Resource Utilization of a Large Data Acquisition System / Santos, Alejandro (CERN ; Heidelberg U.) ; García, Pedro Javier (Castilla-La Mancha U.) ; Vandelli, Wainer (CERN) ; Froening, Holger (Heidelberg U.)
The ATLAS 'Phase-II' upgrade, scheduled to start in 2024, will significantly change the requirements under which the data-acquisition system operates. [...]
ATL-DAQ-PROC-2017-019. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5797.
Development of ATLAS Liquid Argon Calorimeter Readout Electronics for the HL-LHC / Hils, Maximilian (Institut fuer Kern- und Teilchenphysik, Technische Universitaet Dresden)
The LHC high-luminosity upgrade in 2024-2026 requires the associated detectors to operate at luminosities about 5-7 times larger than assumed in their original design. [...]
ATL-LARG-PROC-2017-003. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5798.
Phase-I Trigger Readout Electronics Upgrade for the ATLAS Liquid-Argon Calorimeters / Camplani, Alessandra (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
The upgrade of the Large Hadron Collider (LHC) scheduled for the Long Shut-down period of 2019-2020 (LS2), referred to as Phase-I upgrade, will increase the instantaneous luminosity to about three times the design value. [...]
ATL-LARG-PROC-2017-002. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5799.
Challenges and Performance of the Frontier Technology Applied to an ATLAS Phase-I Calorimeter Trigger Board Dedicated to the Jet Identification / Kahra, Christian (U. Mainz, PRISMA) ; Bauss, Bruno (Mainz U., Inst. Phys.) ; Brogna, Andrea Salvatore (U. Mainz, PRISMA) ; Buescher, Volker (Mainz U., Inst. Phys.) ; Degele, Reinhold (Mainz U., Inst. Phys.) ; Herr, Holger (Mainz U., Inst. Phys.) ; Rave, Stefan (Mainz U., Inst. Phys.) ; Rocco, Elena (Mainz U., Inst. Phys.) ; Schaefer, Uli (Mainz U., Inst. Phys.) ; Vieira De Souza, Julio (Mainz U., Inst. Phys.) et al.
The '{Phase-I}' upgrade of the Large Hadron Collider (LHC), scheduled to be completed in 2021, will lead to an enhanced collision luminosity of $2.5 \times 10^{34} \, \mathrm{cm}^{-2} \, \mathrm{s}^{-1}$. [...]
ATL-DAQ-PROC-2017-018. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5800.
Calibration and Performance of the ATLAS Tile Calorimeter During the Run 2 of the LHC / Solovyanov, Oleg (State Research Center Institute for High Energy Physics (Protvino), NRC KI)
The Tile Calorimeter (TileCal) is a hadronic calorimeter covering the central region of the ATLAS experiment at the LHC. [...]
ATL-TILECAL-PROC-2017-010. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5801.
Search for vector-like quarks and heavy resonances decaying to top quarks in ATLAS / Camincher, Clement (LPSC, Grenoble)
This document presents the recent results of the ATLAS experiment at the LHC concerning the $t\bar{t}$ resonance and vector-like quark searches. [...]
ATL-PHYS-PROC-2017-078. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Open Access Article
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5802.
Search for an invisibly decaying Higgs boson or dark matter candidates produced in association with a $Z$ boson in $pp$ collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector
A search for an invisibly decaying Higgs boson or dark matter candidates produced in association with a leptonically decaying $Z$ boson in proton-proton collisions at $\sqrt{s} =$ 13 TeV is presented. [...]
ATLAS-CONF-2017-040. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5803.
Upgrade of the ATLAS Tile Calorimeter for the High Luminosity LHC / Tang, Fukun (University of Chicago, Enrico Fermi Institute)
The Tile Calorimeter (TileCal) is the hadronic calorimeter of ATLAS covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2017-011. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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5804.
Operational Experience with the ATLAS Pixel Detector / Djama, Fares (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS)
Run 2 of the LHC collider sets new challenges to track and vertex reconstruction because of its higher energy, pileup and luminosity. [...]
ATL-INDET-PROC-2017-001. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5805.
Optimisation and performance studies of the ATLAS $b$-tagging algorithms for the 2017-18 LHC run
The optimisation and performance of the ATLAS $b$-tagging algorithms for the 2017-18 data taking at the LHC are described. [...]
ATL-PHYS-PUB-2017-013. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5806.
Proton tagging with the one arm AFP detector
The ATLAS Forward Proton (AFP) detector is designed to identify events in which one or two protons emerge intact from the LHC collisions at small angles. [...]
ATL-PHYS-PUB-2017-012. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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5807.
Resistive Micromegas for the Muon Spectrometer Upgrade of the ATLAS Experiment / Dudder, Andreas Christian (Institut fuer Physik, Universitaet Mainz)
It is reported on the construction and test of large scale resistive Micromegas detectors for the ATLAS New Small Wheel upgrade [...]
ATL-MUON-PROC-2017-005. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5808.
Staves and Petals: Multi-module Local Support Structures of the ATLAS ITk Strips Upgrade / Rodriguez Rodriguez, Daniel (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Garcia-Argos, Carlos (Albert-Ludwigs-Universitaet Freiburg)
The ATLAS Inner Tracker (ITk) is an all-silicon tracker that will replace the existing inner detector at the Phase-II Upgrade of ATLAS. [...]
ATL-ITK-PROC-2017-004. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5809.
Upgrade of the ATLAS Thin Gap Chamber Electronics for HL-lHC / Kawaguchi, Tomomi (Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University)
The High-Luminosity LHC (HL-LHC) is planned to start the operation in 2026 with an instantaneous luminosity of $7.5 \times 10^{34} \mathrm{cm}^{-2} \mathrm{s}^{-1}$. [...]
ATL-MUON-PROC-2017-004. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5810.
The ATLAS Tau Trigger in Run 2
This note describes the algorithms and selections used in the ATLAS experiment to trigger on hadronically decaying tau leptons in the LHC Run~2. [...]
ATLAS-CONF-2017-061. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5811.
Search for dark matter and other new phenomena in events with an energetic jet and large missing transverse momentum using the ATLAS detector
Results of a search for new phenomena in final states with an energetic jet and large missing transverse momentum are reported. [...]
ATLAS-CONF-2017-060. - 2017. - 35 p.
Original Communication (restricted to ATLAS) - Full text
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5812.
Measurement of the cross section for isolated-photon plus jet production in $pp$ collisions at $\sqrt s=13$ TeV using the ATLAS detector
The dynamics of isolated-photon production in association with a jet in proton--proton collisions at a centre-of-mass energy of $13$ TeV are studied with the ATLAS detector at the LHC using a dataset with an integrated luminosity of $3.2$ fb$^{-1}$. [...]
ATLAS-CONF-2017-059. - 2017. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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5813.
Search for heavy $ZZ$ resonances in the $\ell^+\ell^-\ell^+\ell^-$ and $\ell^+\ell^-\nu\bar\nu$ final states using proton--proton collisions at $\sqrt{s}= 13$ TeV with the ATLAS detector
A search for heavy resonances decaying into a pair of $Z$ bosons leading to $\ell^+\ell^-\ell^+\ell^-$ and $\ell^+\ell^-\nu\bar\nu$ final states, where $\ell$ stands for either an electron or a muon, is presented. [...]
ATLAS-CONF-2017-058. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5814.
Search for exclusive Higgs and $Z$ boson decays to $\phi\,\gamma$ and $\rho\,\gamma$ with the ATLAS Detector
A search for the exclusive decays of the Higgs and $Z$ bosons to a $\phi$ or $\rho$ meson and a photon is performed with a $pp$ collision data sample corresponding to an integrated luminosity of up to $35.6\,\text{fb}^{-1}$ collected at $\sqrt{s}=13\,\text{TeV}$ with the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2017-057. - 2017. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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5815.
Direct top-quark decay width measurement in the $t\bar{t}$ lepton+jets channel at $\sqrt{s}=8~\text{TeV}$ with the ATLAS experiment
This note presents a direct measurement of the decay width of the top quark using $t\bar{t}$ events in the lepton+jets final state. [...]
ATLAS-CONF-2017-056. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5816.
Search for heavy resonances decaying to a $W$ or $Z$ boson and a Higgs boson in final states with leptons and $b$-jets in 36.1~fb$^{-1}$ of $pp$ collision data at $\sqrt s = 13$~\TeV\ with the ATLAS detector
A search is presented for new resonances decaying to a $W$ or $Z$ boson and a 125~\GeV\ Higgs boson (h) in the $\nu\bar{\nu}b\bar{b}$, $\ell^{\pm}{\nu}b\bar{b}$, and $\ell^+\ell^-b\bar{b}$ final states, where $\ell ^{\pm}= e^{\pm}$ or $\mu^{\pm}$, in $pp$ collisions at $\sqrt s = 13$~\TeV. [...]
ATLAS-CONF-2017-055. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5817.
Measurement of the inclusive $t\bar{t}$ cross-section in the lepton+jets channel in $pp$ collisions at $\sqrt{s} = 8$ TeV with the ATLAS detector
The inclusive $t\bar{t}$ production cross-section is measured in the lepton+jets channel using 20.2 fb$^{-1}$ of proton--proton collision data at a centre-of-mass energy of 8 TeV recorded with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2017-054. - 2017. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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5818.
Search for doubly-charged Higgs boson production in multi-lepton final states with the ATLAS detector using proton-proton collisions at $\sqrt{s}=13\,\mathrm{TeV}$
A search for doubly-charged Higgs bosons with pairs of prompt, isolated, highly energetic leptons with the same electric charge is presented. [...]
ATLAS-CONF-2017-053. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5819.
Measurement of the production cross-section of a single top quark in association with a $Z$ boson in proton--proton collisions at 13 TeV with the ATLAS detector
The production of a top quark in association with a $Z$ boson is studied in the trilepton channel. [...]
ATLAS-CONF-2017-052. - 2017. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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5820.
Search for $WW/WZ$ resonance production in $\ell \nu qq$ final states in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search is presented for new resonances decaying to a $WW$ or $WZ$ boson pair, where one $W$ boson decays leptonically and the other $W$ or $Z$ boson decays hadronically. [...]
ATLAS-CONF-2017-051. - 2017.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
5821.
Search for additional heavy neutral Higgs and gauge bosons in the ditau final state produced in 36.1 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) and for heavy neutral $Z^{\prime}$ bosons is performed using a data sample corresponding to an integrated luminosity of 36.1 fb$^{-1}$ from proton-proton collisions at $\sqrt{s}$ = 13 TeV recorded by the ATLAS detector at the LHC during 2015 and 2016. [...]
ATLAS-CONF-2017-050. - 2017. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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5822.
Measurement of Tau Polarisation in $Z/\gamma^{*}\rightarrow\tau\tau$ Decays in Proton-Proton Collisions at $\sqrt{s}=8$ TeV with the ATLAS Detector
This note presents a measurement of the polarisation of $\tau$ leptons produced in $Z/\gamma^{*}\rightarrow\tau\tau$ decays which is performed with a dataset of proton-proton collisions at $\sqrt{s}=8$ TeV corresponding to an integrated luminosity of 20.2 fb$^{-1}$ recorded with the ATLAS detector at the LHC in 2012. [...]
ATLAS-CONF-2017-049. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5823.
Measurement of inclusive jet and dijet cross-sections in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
The inclusive jet and dijet cross-sections are measured in proton-proton collisions at a centre-of-mass energy of 13 TeV. [...]
ATLAS-CONF-2017-048. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5824.
Combined measurements of Higgs boson production and decay in the $H\rightarrow ZZ^∗\rightarrow4\ell$ and $H\rightarrow\gamma\gamma$ channels using $\sqrt{s}=$ 13 TeV pp collision data collected with the ATLAS experiment
Combined measurements of Higgs boson production cross sections and branching fractions are presented using the $H\rightarrow\gamma\gamma$ and $H\rightarrow ZZ^∗\rightarrow4\ell$ decay channels, based on 36.1 fb$^{−1}$ of proton–proton collision data recorded by the ATLAS experiment at the LHC at $\sqrt{s}=$ 13 TeV. [...]
ATLAS-CONF-2017-047. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5825.
Measurement of the Higgs boson mass in the $H\rightarrow ZZ^*\rightarrow 4\ell$ and $H\rightarrow\gamma\gamma$ channels with $\sqrt{s}$=13TeV $pp$ collisions using the ATLAS detector
The mass of the Higgs boson is measured in the $H \rightarrow ZZ^* \rightarrow 4\ell$ and in the $H\to\gamma\gamma$ decay channels with 36 fb$^{-1}$ of proton-proton collision data from the Large Hadron Collider at a centre-of-mass energy of 13 TeV and recorded by the ATLAS detector in 2015 and 2016. [...]
ATLAS-CONF-2017-046. - 2017. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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5826.
Measurements of Higgs boson properties in the diphoton decay channel with 36.1 fb$^{−1}$ $pp$ collision data at the center-of-mass energy of 13 TeV with the ATLAS detector
Properties of the Higgs boson are measured in the two-photon final state using 36.1/fb of proton-proton collision data recorded at $\sqrt{s}=$ 13 TeV by the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2017-045. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5827.
Measurement of lepton differential distributions and the top quark mass in $t\bar{t}$ production in $pp$ collisions at $\sqrt{s}=8$ TeV with the ATLAS detector
This note presents single and dilepton kinematic distributions measured in dileptonic $t\bar{t}$ events produced in 20.2 fb$^{-1}$ of $\sqrt{s}=8$ TeV $pp$ collisions recorded by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2017-044. - 2017. - 65 p.
Original Communication (restricted to ATLAS) - Full text
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5828.
Measurement of the Higgs boson coupling properties in the $H\rightarrow ZZ^{*} \rightarrow 4\ell$ decay channel at $\sqrt{s}$ = 13 TeV with the ATLAS detector
The coupling properties of the Higgs boson are studied in the four-lepton decay channel using 36.1 fb$^{-1}$ of $pp$ collision data from the LHC at a centre-of-mass energy of 13 TeV collected by the ATLAS detector. [...]
ATLAS-CONF-2017-043. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5829.
Search for Higgs boson decays to Beyond-the-Standard-Model light bosons in four-lepton events with the ATLAS detector at $\sqrt{s}=13$ TeV
A search is conducted for a new Beyond-the-Standard-Model dark vector boson or a new light pseudoscalar boson using events where a Higgs boson with mass 125 GeV decays to four leptons ($\ell =$ $e$ or $\mu$). [...]
ATLAS-CONF-2017-042. - 2017. - 37 p.
Original Communication (restricted to ATLAS) - Full text
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5830.
Evidence for the $H \rightarrow b\bar{b}$ decay with the ATLAS detector
A search for the decay of the Standard Model Higgs boson into a $b\bar{b}$ pair when produced in association with a $W$ or $Z$ boson is performed with the ATLAS detector. [...]
ATLAS-CONF-2017-041. - 2017. - 55 p.
Original Communication (restricted to ATLAS) - Full text
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5831.
Utilizing HPC Network Technologies in High Energy Physics Experiments / Schumacher, Jorn (CERN)
Because of their performance characteristics high-performance fabrics like Infiniband or OmniPath are interesting technologies for many local area network applications, including data acquisition systems for high-energy physics experiments like the ATLAS experiment at CERN. [...]
ATL-DAQ-PROC-2017-020. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5832.
CMOS Pixel Development for the ATLAS Experiment at HL-LHC / Ristic, Branislav (Lancaster University (GB))
The high luminosity upgrade of the LHC necessitates a complete exchange of the current ATLAS Inner Tracker for a purely silicon one. [...]
ATL-ITK-PROC-2017-005. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5833.
TopoGen: A Network Topology Generation Architecture with application to automating simulations of Software Defined Networks / Laurito, Andres (Universidad de Buenos Aires) ; Bonaventura, Matias Alejandro (Universidad de Buenos Aires) ; Pozo Astigarraga, Mikel Eukeni (European Laboratory for Particle Physics, CERN) ; Castro, Rodrigo Daniel (Universidad de Buenos Aires)
Simulation is an important tool to validate the performance impact of control decisions in Software Defined Networks (SDN). [...]
ATL-DAQ-PROC-2017-021. - 2018. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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5834.
Jets and charged hadrons in heavy-ion collisions with the ATLAS detector / Santos, Helena (LIP, Lisbon)
Ultrarelativistic heavy-ion collisions at the LHC produce the quark–gluon plasma. [...]
ATL-PHYS-PROC-2017-086. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5835.
In-situ measurements of the ATLAS large-radius jet response in 13 TeV pp collisions
The response of the ATLAS experiment to groomed large (R=1.0) radius jets is measured {\em in-situ} with 33 fb−1 of "$\sqrt$"=13 TeV LHC proton--proton collisions collected in 2016. [...]
ATLAS-CONF-2017-063. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5836.
Jet reclustering and close-by effects in ATLAS run II
The reconstruction of hadronically-decaying, high-$p_{T}$ $W$, $Z$ and Higgs bosons and top quarks is instrumental to exploit the physics potential of the ATLAS detector in $pp$ collisions at a centre-of-mass energy of 13 TeV at the Large Hadron Collider (LHC). [...]
ATLAS-CONF-2017-062. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5837.
Quark versus Gluon Jet Tagging Using Jet Images with the ATLAS Detector
Distinguishing quark-initiated from gluon-initiated jets is useful for many measurements and searches at the LHC. [...]
ATL-PHYS-PUB-2017-017. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5838.
Modelling of Track Reconstruction Inside Jets with the 2016 ATLAS $\sqrt{s}= 13$ TeV pp dataset
Inside the core of high transverse momentum jets, the particle density is so high that the tracks of charged particles begin to overlap, and due to the different charged particles, pixel clusters in the ATLAS inner detector begin to merge. [...]
ATL-PHYS-PUB-2017-016. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5839.
Improving jet substructure performance in ATLAS using Track-CaloClusters
Jet substructure techniques play a critical role in ATLAS in searches for new physics, are increasingly important in measurements of the Standard Model, and are being utilized in the trigger. [...]
ATL-PHYS-PUB-2017-015. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5840.
Performance of the reconstruction of large impact parameter tracks in the ATLAS inner detector
The standard ATLAS track reconstruction is designed for primary charged particles, which are promptly produced from $pp$ collisions. [...]
ATL-PHYS-PUB-2017-014. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5841.
Simulation of the ATLAS New Small Wheel (NSW) System / Maekawa, Koki (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
The instantaneous luminosity of the Large Hadron Collider (LHC) at CERN will be increased up to a factor of five with respect to the present design value by undergoing an extensive upgrade program over the coming decade. [...]
ATL-MUON-PROC-2017-006. - 2018-08-08. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5842.
Two-Photon Measurements in ATLAS / Chau, Chav Chhiv (Carleton University)
At the Large Hadron Collider, two-photon production is a key process for studying photon interactions at high energies. [...]
ATL-PHYS-PROC-2017-090. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5843.
Searching for New High Mass Phenomena Decaying to Muon Pairs using Proton-Proton Collisions at $\sqrt{s} = 13$ TeV with the ATLAS Detector at the LHC / Rettie, Sebastien (University of British Columbia)
We present a search for new high mass phenomena using the latest data collected by the ATLAS detector at the LHC, corresponding to 36.1 fb$^{-1}$ at $\sqrt{s}=13$ TeV. [...]
arXiv:1708.03033 ; ATL-PHYS-PROC-2017-089. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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5844.
Search for R-parity violating supersymmetry with the ATLAS detector / Mehlhase, Sascha (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
R-parity violation introduces new signatures to be considered in the search for supersymmetry at the LHC. [...]
ATL-PHYS-PROC-2017-088. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5845.
Photon+$V$ measurements in ATLAS / Krasnopevtsev, Dimitrii (National Research Nuclear University MEPhI)
ATLAS measurements of multi-boson production processes involving isolated photons in proton–proton collisions at 8 TeV are summarized. [...]
ATL-PHYS-PROC-2017-087. - 2018-12-20. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5846.
Photon interactions in ultra-peripheral heavy-ion collisions in the ATLAS detector at the LHC / Webb, Samuel (Institut fuer Physik, Universitaet Mainz)
Two ATLAS analyses involving photon interactions in ultra peripheral lead- lead collisions are described, namely the study of dijet production in photo- nuclear ultra peripheral collisions and a measurement of light-by-light scattering. [...]
ATL-PHYS-PROC-2017-092. - 2018-12-20. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5847.
Measurement of photon production cross sections also in association with jets with the ATLAS detector / Prince, Sebastien (McGill University, Department of Physics)
The production of prompt isolated photons at hadron colliders provides a stringent test of perturbative QCD and can be used to probe the proton structure. [...]
ATL-PHYS-PROC-2017-091. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5848.
Constituent-level pile-up mitigation techniques in ATLAS
Pile-up of simultaneous proton-proton collisions at the LHC has a significant impact on jet reconstruction. [...]
ATLAS-CONF-2017-065. - 2017. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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5849.
Performance of Top Quark and W Boson Tagging in Run 2 with ATLAS
The performance of hadronically-decaying top-quark and $W$-boson taggers in $pp$ collisions at $\sqrt{s}$ = 13 TeV recorded by the ATLAS experiment at the Large Hadron Collider is presented. [...]
ATLAS-CONF-2017-064. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5850.
Boosted top production in ATLAS and CMS / Romano, Marino (Universita e INFN, Bologna)
An overview of the boosted top production analyses using data collected by the ATLAS and CMS experiments at $\sqrt{s}=$' 8 TeV and 13 TeV of proton-proton collisions at the LHC is presented. [...]
arXiv:1708.08264 ; ATL-PHYS-PROC-2017-099. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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5851.
Upgrade of the ATLAS hadronic Tile calorimeter for the High luminosity LHC / Mlynarikova, Michaela (Charles University, Faculty of Mathematics and Physics, Prague)
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS detector at the LHC. [...]
ATL-TILECAL-PROC-2017-012. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5852.
Search for long-lived neutral particles decaying into Lepton-Jets with the ATLAS detector in proton-proton collision data at 13 TeV / Salvatore, Daniela (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
Several models of particle physics different from the Standard Model predict the existence of a dark sector that is weakly coupled to the visible one: the two sectors may couple via the vector portal, where a dark photon with mass in the MeV to GeV range mixes kinetically with the SM photon. [...]
ATL-PHYS-PROC-2017-098. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5853.
Prospects for Photon-Photon and Photon-Proton Measurements with Forward Proton Taggers in ATLAS / Trzebinski, Maciej (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
geometric acceptance. [...]
ATL-PHYS-PROC-2017-097. - 2018-12-20. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5854.
SUSY strong production (leptonic) with ATLAS / Saito, Tomoyuki (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
Supersymmetry is one of the most motivated scenarios for physics beyond the Standard Model. [...]
arXiv:1708.06927 ; ATL-PHYS-PROC-2017-096. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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5855.
Studying WWγ and WZγ production in proton–proton collisions at √s = 8 TeV with the ATLAS experiment / Djuvsland, Julia Isabell (Kirchhoff-Institut f\"{u}r Physik)
Quartic gauge couplings are tested by this study of the production of WWγ and WZγ events in 20.2 fb−1 of proton–proton collisions at a centre-of-mass energy of √s = 8 TeV recorded with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2017-095 ; arXiv:1708.07667. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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5856.
Single top-quark production via $tW$, $tZq$, and $s$-channel with ATLAS and CMS / Finelli, Kevin Daniel (Boston University, Department of Physics)
Analyses of single top-quark production in the $s$-channel, via $tW$ production, and via $tZq$ production are presented, showing the scope of recent ATLAS and CMS analysis of LHC data. [...]
ATL-PHYS-PROC-2017-094. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5857.
Di- and multiboson measurements in ATLAS / Yatsenko, Elena (LAPP, Universite Savoie Mont Blanc, CNRS/IN2P3, Annecy-le-Vieux)
Measurements of the di- and multiboson production cross sections at the LHC constitute stringent tests of the electroweak sector of the Standard Model and provide a model-independent means to search for new physics at the TeV scale. [...]
ATL-PHYS-PROC-2017-093 ; arXiv:1708.06534. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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5858.
Search for heavy Higgs bosons $\boldsymbol{A/H}$ decaying to a top quark pair in $\boldsymbol{pp}$ collisions at $\boldsymbol{\sqrt{s} = 8}$~TeV with the ATLAS detector / Behr, Janna Katharina (DESY, Hamburg and Zeuthen)
A search for heavy pseudoscalar ($A$) and scalar ($H$) Higgs bosons decaying into a top quark pair ($t\bar{t}$) has been performed with 20.3~fb$^{-1}$ of proton--proton collision data collected by the ATLAS experiment at the Large Hadron Collider at a center-of-mass energy of $\sqrt{s} = 8$~TeV. [...]
ATL-PHYS-PROC-2017-126. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5859.
Jet and photon measurements with ATLAS / Nachman, Benjamin Philip (Lawrence Berkeley National Laboratory and University of California, Berkeley)
The strong force is responsible for a rich set of phenomena that can be probed using a variety of techniques over a wide energy and angular range at the Large Hadron Collider. [...]
arXiv:1709.02889 ; ATL-PHYS-PROC-2017-125. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5860.
SM and BSM physics in single top quark at the LHC / Escobar, Carlos (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
A comprehensive review of the recent results on measurements of single top-quark production cross-sections at $\sqrt{s}$ = 7, 8 and 13 TeV performed by the ATLAS and CMS Collaborations is presented. [...]
ATL-PHYS-PROC-2017-124 ; arXiv:1709.02749. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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5861.
Lepton and photon performance at ATLAS and CMS / Lesage, Arthur (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay)
These proceedings report on lepton and photon performance results obtained using data recorded in 2015 and 2016 at the LHC by the two experiments ATLAS and CMS. [...]
ATL-PHYS-PROC-2017-123 ; arXiv:1709.02598. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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5862.
Studies of the underlying-event properties and of hard double parton scattering with the ATLAS detector / Kuprash, Oleg (Tel Aviv U.)
A correct modelling of the underlying event in proton-proton collisions at Large Hadron Collider is important for the proper simulation of kinematic distributions of final state objects. [...]
ATL-PHYS-PROC-2017-122. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5863.
Measurement of cross sections and couplings of the Higgs Boson using the ATLAS detector / Honda, Shunsuke (Faculty of Pure and Applied Sciences, and Center for Integrated Research in Fundamental Science and Engineering, University of Tsukuba)
After the discovery of the Higgs boson, the measurement of its coupling properties are of particular importance. [...]
ATL-PHYS-PROC-2017-121. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5864.
Search for doubly-charged Higgs boson in multi-lepton final states at $\sqrt{s}$= 13 TeV with the ATLAS detector / Ucchielli, Giulia (Universita e INFN, Bologna)
A search for new high mass resonances decaying to two high-$p_T$ leptons with same-charge is presented [...]
ATL-PHYS-PROC-2017-120. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5865.
Highlights from the ATLAS experiment / Tovey, Daniel (University of Sheffield)
An overview of recent physics analysis highlights from the ATLAS experiment is provided, with a focus on new results obtained with 13 TeV pp data taken in 2015 and 2016..
ATL-PHYS-PROC-2017-119. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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5866.
Top Quark Production Cross Section Measurements / Massa, Lorenzo (INFN Roma Tor Vergata and Universita' di Roma Tor Vergata, Dipartimento di Fisica)
Measurements of the inclusive and differential cross-sections for top-quark pair and single top production cross sections in proton-proton collisions with the ATLAS detector at the Large Hadron Collider are presented at centre-of-mass energies of 8 TeV and 13 TeV. [...]
ATL-PHYS-PROC-2017-118. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5867.
Search for supersymmetric partners of third generation quarks in leptonic channels with the ATLAS detector / Yoshihara, Keisuke (Department of Physics and Astronomy, University of Pennsylvania)
Two of the most important parameters in supersymmetry are the masses of the stop and sbottom, the supersymmetric partners of the third generation quarks. [...]
ATL-PHYS-PROC-2017-117. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5868.
First measurement of isolated-photon plus jet production in $pp$ collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector / Callea, Giuseppe (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
The dynamics of isolated-photon plus jet production in $pp$ collisions at $\sqrt{s}$ = 13 TeV were studied with the ATLAS detector at the LHC, using a dataset with an integrated luminosity of 3.2 fb$^{-1}$. [...]
ATL-PHYS-PROC-2017-137. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5869.
Identification of the Higgs boson produced in association with top quark pairs in proton-proton collision: an analysis of the final state containing three leptons with the ATLAS detector / Vecchio, Valentina (Universita e INFN, Roma Tre)
The associated production of the Higgs boson with top quarks ($t\bar{t}H$) allows to constrain the top Yukawa coupling. [...]
ATL-PHYS-PROC-2017-136. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5870.
Search for top squarks in final states with one lepton targeting pure bino LSP scenarios with the ATLAS detector / Handl, David Michael (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
A search for direct top squark pair production, in final states with one isolated electron or muon, multiple jets and missing transverse momentum, is presented. [...]
ATL-PHYS-PROC-2017-135. - 2018. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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5871.
Calibration of light-flavour jet $b$-tagging rates on ATLAS data at $\sqrt{s}=$ 13 TeV / Saimpert, Matthias (DESY, Hamburg and Zeuthen)
A variety of algorithms have been developed to identify jets originating from $b$-quark hadronization within the ATLAS experiment at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2017-134. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5872.
Dark matter searches with the ATLAS detector / Elliot, Alison (U. Victoria (main))
The presence of a non-baryonic dark matter component in the Universe is inferred from the observation of its gravitational interaction. [...]
ATL-PHYS-PROC-2017-133. - 2017. - 11 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5873.
Search for new physics in dijet final states in ATLAS and CMS / Bauce, Matteo (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
Studying events containing a pair of high energy hadronic jet is clear signature to search for new physics in high energy particle collisions. [...]
arXiv:1709.04754 ; ATL-PHYS-PROC-2017-132. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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5874.
Search for the SM Higgs boson produced in association with top quarks at $\sqrt{s}$ = 13 TeV with the ATLAS detector at the LHC / Serkin, Leonid (INFN Gruppo Collegato di Udine and ICTP, Trieste)
A review of the searches for the SM Higgs boson produced in association with a pair of top quarks, $t\bar{t}H$, using up to 13.3~fb$^{-1}$ of pp collisions at $\sqrt{s}$ = 13 TeV collected with the ATLAS detector at the LHC is presented. [...]
arXiv:1709.04381 ; ATL-PHYS-PROC-2017-131. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5875.
ATLAS searches for resonances decaying to boson pairs / Ryzhov, Andrey (Serpukhov, IHEP)
Many extensions to the Standard Model predict new particles decaying into two bosons (W, Z, photon, or Higgs bosons) making these important signatures in the search for new physics. [...]
ATL-PHYS-PROC-2017-130. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5876.
SEARCHES FOR SUPERSYMMETRY IN ATLAS / Xu, Da (Institute of High Energy Physics, Chinese Academy of Sciences)
A wide range of supersymmetric searches are presented. [...]
ATL-PHYS-PROC-2017-129. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5877.
Exotic diboson searches in the $\ell\nu qq$ final state using proton-proton collisions data at $\sqrt{s} = 13\ TeV$ collected with the ATLAS detector. / Biesuz, Nicolo Vladi (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
Analyses searching for diboson resonances are very powerful tools to investigate many beyond the Standard Model scenarios such as extension of the Higgs sector, Heavy Vector triplets ($W^{'}$ and $Z^{'}$) or excited states of Gravitons. [...]
ATL-PHYS-PROC-2017-128. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5878.
Low energy observables with the ATLAS experiment / Foster, Andrew Geoffrey (University of Birmingham)
Recent results in the soft QCD sector of the Standard Model are presented. [...]
ATL-PHYS-PROC-2017-127. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5879.
Measurement of long-range azimuthal correlations in $Z$-boson tagged $pp$ collisions at $\sqrt{s}=8$~TeV
This analysis is the first to study long-range hadron correlations in $pp$ collisions with a constraint on collision geometry. [...]
ATLAS-CONF-2017-071. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5880.
Measurement of the top quark mass in the $t\bar{t}$→ lepton+jets channel from $\sqrt{s}$=8 TeV ATLAS data
The top quark mass is measured using a template method in the $t\bar{t} \to$ lepton + jets channel (lepton = e, $\mu$) using ATLAS data recorded in the year 2012 at the LHC. [...]
ATLAS-CONF-2017-070. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5881.
Measurement of W boson production in the muon channel in Pb+Pb collisions at sqrt(sNN) =5.02 TeV
The production of $W$ bosons in the muon decay channel in lead-lead collisions at a center- of-mass energy of $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV is studied by the ATLAS experiment. [...]
ATLAS-CONF-2017-067. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5882.
Measurement of four-particle azimuthal cumulants in Pb+Pb collisions at $\sqrt{s_{NN}}=5.02$ TeV with the ATLAS detector
Measurements of four-particle cumulants $c_{n}${4} for $n=1,2,3,4$ are presented using 470 $\mu$b$^{-1}$ of Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2017-066. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5883.
W/Z$+$jets and W/Z$+$HF$-$jets production at ATLAS / Vittori, Camilla (Universita e INFN, Bologna)
The production of jets in association with a W or a Z boson in proton-proton collisions is an important process to study QCD in multi-scale environments. [...]
ATL-PHYS-PROC-2017-151. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5884.
Physics potential of ATLAS upgrades at HL-LHC / Testa, Marianna (Frascati)
The High Luminosity-Large Hadron Collider (HL-LHC) is expected to start in 2026 and to provide an integrated luminosity of 3000 fb$^{−1}$ in ten years, a factor 10 more than what will be collected by 2023. [...]
ATL-PHYS-PROC-2017-150. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5885.
Measurement of the $b\bar{b}$ dijet cross section in $pp$ collisions at $\sqrt{s}=7$ TeV with the 2011 dataset collected by the ATLAS detector / Verducci, Monica (Universita e INFN, Roma Tre)
The dijet production cross section for jets containing a $b$-hadron ($b$-jets) has been measured in proton--proton collisions with a centre-of-mass energy of $\sqrt{s}$ = 7 TeV, using the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2017-149. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5886.
Calibration of the ATLAS $b$-tagging algorithm in $t\bar{t}$ events with high multiplicity of jets / La Ruffa, Francesco (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
The calibration of the ATLAS $b$-tagging algorithm in environments characterised by high multiplicity of jets is presented. [...]
ATL-PHYS-PROC-2017-148. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5887.
Search for gluinos and squarks in events with one isolated lepton, at least 2-9 jets and missing transverse momentum at $\sqrt{s} = 13$ TeV with the ATLAS detector / Hartmann, Nikolai Marcel (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
This poster presents the results of a search for gluinos and squarks in events with exactly one lepton in the final state in addition to multiple jets and large missing transverse momentum. [...]
ATL-PHYS-PROC-2017-147. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5888.
Searches for new resonances decaying to W, Z and H bosons / Morvaj, Ljiljana (Stony Brook University)
Searches for high-mass resonances decaying to pairs of standard model bosons using ATLAS and CMS detectors are presented. [...]
ATL-PHYS-PROC-2017-146 ; arXiv:1709.08905. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - Preprint
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5889.
Search for the $t\bar{t}H$ production in high-p$_\mathrm{T}$ regimes with the ATLAS detector / Biondi, Silvia (Universita e INFN, Bologna)
The associated production of the Higgs boson with a pair of top/anti-top quarks ($t\bar{t}H$) is the only process providing a direct access to the measurement of the Yukawa coupling between the Higgs boson and the top quark. [...]
ATL-PHYS-PROC-2017-145. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5890.
Searches for new phenomena in final states involving ‘leptons and jets’ or involving leptons using the ATLAS detector / Liu, Yanlin (USTC, Hefei ; Michigan U.)
Many theories beyond the standard model predict new phenomena which can result in final states containing leptons and jets or purely leptons. [...]
ATL-PHYS-PROC-2017-144. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5891.
Search for long-lived neutral particles decaying into Lepton-Jets with the ATLAS detector in proton-proton collision data at √s= 13 TeV / Del Gaudio, Michela (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
Several models of elementary particle physics Beyond the Standard Model predict the existence of neutral particles that can also be long lived and decay in collimated jets of light leptons and hadrons (lepton-jets). [...]
ATL-PHYS-PROC-2017-143. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5892.
Searches for squarks and gluinos with ATLAS / Ricken, Oliver (Bonn U.)
One of the most versatile and attractive extensions to the successful yet incomplete Standard Model of particle physics is Supersymmetry - a theory the ATLAS experiment at the Large Hadron Collider is looking for in its recorded data. [...]
ATL-PHYS-PROC-2017-142. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text - Full text - Full text
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5893.
Highlights of top quark cross-section measurements at ATLAS / Berta, Peter (Mainz U., Inst. Phys.)
The highlights of the measurements of top quark production in proton-proton collisions at the Large Hadron Collider with the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2017-141. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5894.
Production and spectroscopy in heavy flavour / Maevskiy, Artem (SINP, Moscow)
A wide programme of studies of heavy flavour production at the LHC is performed with the ATLAS detector. [...]
ATL-PHYS-PROC-2017-140. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5895.
Searches for new physics with heavy flavour at ATLAS / Turchikhin, Semen (Dubna, JINR)
The Flavour Changing Neutral Current processes are sensitive to New Physics contributions, in particular through additional electroweak loop amplitudes. [...]
ATL-PHYS-PROC-2017-139. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5896.
Angular analysis of $B^0_d \to K^*\mu^+\mu^-$ decay with the ATLAS detector / Carli, Ina (Charles U.)
An angular analysis of the decay $B^0_d \to K^* \mu^+ \mu^-$ is presented using LHC data from proton-proton collisions at $\sqrt{s}$ = 8 TeV collected with the ATLAS detector in 2012. [...]
ATL-PHYS-PROC-2017-138. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - PoS Server - Full text
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5897.
Upgrades of the ATLAS trigger system / Pastore, Francesca (Department of Physics, Royal Holloway and Bedford New College)
In coming years the LHC is expected to undergo upgrades to increase both the energy of proton-proton collisions and the instantaneous luminosity. [...]
ATL-DAQ-PROC-2017-024. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5898.
A new strips tracker for the upgraded ATLAS ITk detector / David, Claire (DESY, Hamburg and Zeuthen)
The ATLAS detector has been designed and developed to function in the environment of the present Large Hadron Collider (LHC). [...]
ATL-UPGRADE-PROC-2017-001. - 2018. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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5899.
Anomalous couplings in single top quark and searches for rare top quark couplings with the ATLAS detector / Cabrera Urban, Susana (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
Two recent analyses that have exhaustively explored potential anomalous couplings in the $Wtb$ vertex using $t$-channel single-top-quark events selected from collision data at $\sqrt{s} = $ 8 TeV with the ATLAS detector are reviewed. [...]
ATL-PHYS-PROC-2017-175. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5900.
Search for compressed SUSY scenarios with the ATLAS detector / Maurer, Julien (Horia Hulubei National Institute of Physics and Nuclear Engineering)
Scenarios where multiple SUSY states are nearly degenerate in mass produce soft decay products, and they represent an experimental challenge for ATLAS. [...]
ATL-PHYS-PROC-2017-174. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5901.
Electron identification with the ATLAS detector / Tarna, Grigore (Horia Hulubei National Institute of Physics and Nuclear Engineering)
Electron identification is a crucial input to many ATLAS physics analysis. [...]
ATL-PHYS-PROC-2017-173. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5902.
Module and electronics developments for the ATLAS ITK pixel system / Munoz Sanchez, Francisca Javiela (School of Physics and Astronomy, University of Manchester)
The ATLAS experiment is preparing for an extensive modification of its detectors in the course of the planned HL-LHC accelerator upgrade around 2025. [...]
ATL-ITK-PROC-2017-007. - 2018. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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5903.
Measurement of photon production cross sections with the ATLAS detector / Turra, Ruggero (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
The production of prompt isolated photons at hadron colliders provides a stringent test of perturbative QCD and can be used to probe the proton structure. [...]
ATL-PHYS-PROC-2017-172. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5904.
Inclusive searches for squarks and gluinos in final states with no leptons with the ATLAS detector / Ducu, Otilia Anamaria (Group of Particle Physics, University of Montreal)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2017-171. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5905.
Search for di-Higgs production with the ATLAS detector / Davey, Will (University of Bonn)
A search for resonant and non-resonant di-Higgs production in the bbbb, bb$\gamma\gamma$ and $\gamma\gamma$WW* channels is presented. [...]
ATL-PHYS-PROC-2017-170. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5906.
Searches for direct pair production of third generation squarks in final states with no leptons with the ATLAS detector / Lari, Tommaso (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
Naturalness arguments favour supersymmetric partners of the third generation quarks with masses not too far from those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2017-169. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5907.
Measurement of $\tau$ Polarisation in $Z/\gamma^*\rightarrow\tau\tau$ Decays with the ATLAS Detector / Winter, Benedict Tobias (University of Bonn)
A measurement of the $\tau$ polarisation in $Z/\gamma^*\rightarrow\tau\tau$ decays is presented. [...]
ATL-PHYS-PROC-2017-168. - 2018.
Original Communication (restricted to ATLAS) - Full text
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5908.
Searches for direct pair production of third generation squarks in 13 TeV $pp$ collision data in final states with leptons with ATLAS / Pani, Priscilla (European Laboratory for Particle Physics, CERN)
Naturalness arguments for weak-scale supersymmetry favour supersymmetric partners of the third generation quarks with masses not too far from those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2017-167. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5909.
Cross-section measurement of $t\bar{t}\gamma$ production in $pp$ collision at $\sqrt{s} = 8~\mathrm{TeV}$ with the ATLAS experiment / Ghasemi, Sara (Department Physik, Universitaet Siegen)
The cross-section of top-quark pair production in association with a photon in proton-proton collisions at a center of mass energy of $\sqrt{s} = 8~\mathrm{TeV}$ is measured. [...]
ATL-PHYS-PROC-2017-166. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5910.
Measurement of Standard Model VBS/VBF production with the ATLAS and CMS detectors / Li, Shu (Duke University, Department of Physics)
Proceeding for the poster presentation at Blois2017, France on the topic of "Measurements of Standard Model VBS/VBF productions with ATLAS+CMS detectors" (ATL-PHYS-SLIDE-2017-333 https://cds.cern.ch/record/2267458) Deadline: 15/10/2017
ATL-PHYS-PROC-2017-165. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5911.
Studying $WW\gamma$ and $WZ\gamma$ production in proton--proton collisions at $\sqrt{s}$ = 8 TeV with the ATLAS experiment / Djuvsland, Julia Isabell (Kirchhoff-Institut f\"{u}r Physik)
Measuring triboson final states at the Large Hadron Collider provides a test of the non-Abelian structure of the Standard Model of particle physics. [...]
ATL-PHYS-PROC-2017-164. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5912.
Search for top squark pair production and decay in four bodies, with two leptons in the final state, at the ATLAS Experiment with LHC Run2 data / Reale, Marilea (INFN Lecce and Universita del Salento, Dipartimento di Matematica e Fisica) ; Longo, Luigi (INFN, Lecce ; Salento U.)
Supersymmetry (SUSY) still remains one of the most interesting theories which are candidates to describe physics beyond the Standard Model, even if the latest Run1 results and interpretations have so far shown no experimental evidence for the existence of superparticles. [...]
ATL-PHYS-PROC-2017-163. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5913.
Test-beam activities and results for the ATLAS ITk pixel detector / Bisanz, Tobias (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
The Phase-II upgrade of the LHC will result in an increase of the instantaneous luminosity up to about $5\times10^{34}~\text{cm}^{-2}\text{s}^{-1}$. [...]
ATL-ITK-PROC-2017-006. - 2017. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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5914.
The Upgraded Calibration System for the Scintillator-PMT Tile Hadronic Calorimeter of the ATLAS experiment at CERN/LHC / Chakraborty, Dhiman (Northern Illinois University)
The ATLAS Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of the ATLAS experiment and provides important information for reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy in highest energy proton-proton and heavy-ion collisions at CERN’s Large Hadron Collider. [...]
ATL-TILECAL-PROC-2017-015. - 2018. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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5915.
Search for Long-lived particles with the ATLAS detector / Saito, Masahiko (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
Several supersymmetric models predict the production of meta-stable supersymmetric particles. [...]
ATL-PHYS-PROC-2017-162. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5916.
Measurements of the top quark mass with the ATLAS detector / Nisius, Richard (Max-Planck-Institut fuer Physik)
The measurements of the top quark mass given are obtained from ATLAS data taken at proton--proton centre-of-mass energies of $\sqrt{s}=7$ and $8$ TeV. [...]
arXiv:1709.09845 ; ATL-PHYS-PROC-2017-161. - SISSA, 2017-09-29. - 7 p.
PoS server - Full text - Full text - Fulltext
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5917.
Vector boson scattering, triple gauge-boson final states and limits on anomalous quartic gauge couplings with the ATLAS detector / Li, Bing (University of Science and Technology of China)
Measurements of the cross sections of the production of three electroweak gauge bosons and of vector-boson scattering processes at the LHC constitute stringent tests of the electroweak sector of the Standard Model and provide a model-independent means to search for new physics at the TeV scale. [...]
ATL-PHYS-PROC-2017-160. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5918.
Search for new phenomena in ttbar + heavy-flavour jets at $\sqrt{s} = 13$ TeV with the ATLAS detector / Yamaguchi, Daiki (Tokyo Inst. Tech.)
A search for new phenomena in $t\bar{t}$ final states with additional heavy-flavour jets has been carried out using 13.2 fb$^{-1}$ data of $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2017-159. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5919.
Search for top squarks in final states with one isolated lepton in $\sqrt{s}$ = 13 TeV pp collisions with the ATLAS detector / Yamazaki, Tomohiro (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
The result of a search for the direct pair production of top squarks, the supersymmetric partner of the top-quark, in final states with one isolated electron or muon, jets, and missing transverse momentum is reported. [...]
ATL-PHYS-PROC-2017-158. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5920.
Search for top squark pair production in final states with two leptons at LHC Run 2 with the ATLAS detector / Longo, Luigi (INFN Lecce and Universita del Salento, Dipartimento di Matematica e Fisica)
Although no experimental evidence has been found during LHC Run1, Supersymmetry (SUSY) remains one of the most promising and motivated Standard Model (SM) extensions [...]
ATL-PHYS-PROC-2017-157. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5921.
Charged Higgs boson searches with the ATLAS detector / Bergeaas Kuutmann, Elin (Uppsala University, Department of Physics and Astronomy)
Many theories beyond the Standard Model, for example the Two Higgs Doublet Model (2HDM), most variants of Supersymmetry (SUSY) and the left-right symmetric model (LRSM), predict the existence of high mass charged Higgs bosons. [...]
ATL-PHYS-PROC-2017-156. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5922.
Determination of the Higgs properties with the ATLAS detector / Vazquez Schroeder, Tamara (McGill University, Department of Physics)
Combined measurements of Higgs boson production cross sections and branching fractions are presented using the $H \to \gamma\gamma$ and $H \to ZZ^{*} \to 4\ell$ decay channels based on 36.1 fb$^{-1}$ of proton-proton collision data recorded at $\sqrt{s}=13$ TeV by the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2017-155. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5923.
Modeling radiation damage to pixel sensors in the ATLAS detector / Ducourthial, Audrey (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), UPMC, Universite Paris-Diderot, CNRS/IN2P3)
Silicon pixel detectors are at the core of the current and planned upgrade of the ATLAS detector at the Large Hadron Collider (LHC). [...]
ATL-INDET-PROC-2017-002. - 2018. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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5924.
Picturing diversity in the ATLAS collaboration / Biondi, Silvia (Universita e INFN, Bologna)
With over 3000 members from 178 institutes, the ATLAS Collaboration is naturally diverse. [...]
ATL-OREACH-PROC-2017-002. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5925.
Measurements of multi-particle correlations and collective flow with the ATLAS detector / Bold, Tomasz (AGH-UST, Cracow)
The measurement of flow harmonics of charged particles from $v_2$ to $v_7$ in Pb+Pb collisions in the wide range of transverse momentum and pseudorapidity provides not only a way to study the initial state of the nuclear collisions and soft particle collective dynamics, but also provides insight into jet quenching via the measurement of flow harmonics at high transverse momenta. [...]
ATL-PHYS-PROC-2017-154. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5926.
The ATLAS Trigger Algorithms Upgrade and Performance in Run-2 / Bernius, Catrin (SLAC National Accelerator Laboratory)
The ATLAS trigger has been used very successfully for the online event selection during the first part of the second LHC run (Run-2) in 2015/16 at a center-of-mass energy of 13 TeV. [...]
ATL-DAQ-PROC-2017-023. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5927.
Measurement of the fragmentation function for photon-tagged jets in $\sqrt{s_\mathrm{NN}} = 5.02$ TeV Pb+Pb and $pp$ collisions with the ATLAS detector
This note presents a measurement of the charged-particle fragmentation function (FF) for jets azimuthally balanced by a high transverse momentum ($p_\mathrm{T}$) prompt, isolated photon [...]
ATLAS-CONF-2017-074. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5928.
$D$ meson production and long-range azimuthal correlation in $8.16~\mathrm{TeV}$ $p$+Pb collisions with ATLAS
The production of $D^{0}(\overline{D^0})$ and $D^{*\pm}$ mesons has been measured with the ATLAS detector in $p$+Pb collisions at $\sqrt{s_{_\mathrm{NN}}}=8.16~\mathrm{TeV}$ with an integrated luminosity of $76.3\mu b^{-1}$ taken in 2016. [...]
ATLAS-CONF-2017-073. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5929.
Prompt photon production in $\sqrt{s_\mathrm{NN}} = 8.16$ TeV $p$+Pb collisions with ATLAS
The inclusive production cross-section for isolated, prompt photons in $p$+Pb collisions at $\sqrt{s_\mathrm{NN}} = 8.16$~TeV is studied with the ATLAS detector at the LHC using a data set with an integrated luminosity of $162$~nb$^{-1}$. [...]
ATLAS-CONF-2017-072. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5930.
Measurement of the top quark mass in the $t\bar{t}$→ lepton+jets channel from $\sqrt{s}$=8 TeV ATLAS data
The top quark mass is measured using a template method in the $t\bar{t} \to$ lepton + jets channel (lepton = e, $\mu$) using ATLAS data recorded in the year 2012 at the LHC. [...]
ATLAS-CONF-2017-071. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5931.
Search for flavour-changing neutral current top quark decays $t\to qZ$ in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS Detector
A search for flavour-changing neutral-current processes in top quark decays is presented. [...]
ATLAS-CONF-2017-070. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5932.
Measurement of colour flow using jet-pull observables in $t\bar{t}$ events with the ATLAS experiment at $\sqrt{s} = 13$ TeV
Previous phenomenological studies and measurements have shown that weighted angular moments derived from jet constituents encode the colour connections between initiating partons which seed the jets. [...]
ATLAS-CONF-2017-069. - 2017. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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5933.
Measurement of long-range azimuthal correlations in $Z$-boson tagged $pp$ collisions at $\sqrt{s}=8$~TeV
This analysis is the first to study long-range hadron correlations in $pp$ collisions with a constraint on collision geometry. [...]
ATLAS-CONF-2017-068. - 2017.
Original Communication (restricted to ATLAS) - Full text
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5934.
Performance of the ATLAS hadronic Tile Calorimeter in Run-2 and its upgrade for the High Luminosity LHC / Solovyanov, Oleg (Serpukhov, IHEP)
The Tile Calorimeter (TileCal) of the ATLAS experiment at the LHC is the central hadronic calorimeter designed for energy reconstruction of hadrons, jets, tauparticles and missing transverse energy. [...]
ATL-TILECAL-PROC-2017-014. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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5935.
Dark Matter searches with the ATLAS Detector / Ippolito, Valerio (Harvard U.)
The presence of a non-baryonic Dark Matter component in the Universe is inferred from the observation of its gravitational interaction. [...]
ATL-PHYS-PROC-2017-153. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5936.
Inclusive searches for squarks and gluinos in final states with leptons with the ATLAS detector / Poveda, Joaquin (European Laboratory for Particle Physics, CERN)
Despite the absence of experimental evidence, supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2017-152. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5937.
The New ATLAS Fast Calorimeter Simulation / Heath, Matthew Peter (University of Edinburgh)
Producing the large samples of simulated events required by many physics and performance studies with the ATLAS detector using the full GEANT4 detector simulation is highly CPU intensive. [...]
ATL-SOFT-PROC-2017-053. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5938.
Search for new phenomena in high-mass diphoton final states with ATLAS at $\sqrt{s}$ =13 TeV / Meideck, Thomas (LPSC, Grenoble)
After the discovery of the Higgs boson, one of the most important tasks of high energy physics at the LHC is to look for signatures of new physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2017-194. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5939.
Performance of the ATLAS Level-1 muon barrel trigger during the Run 2 data taking / Sessa, Marco (Universita e INFN, Roma Tre ; CERN)
The Level-1 Muon Barrel Trigger is one of the main elements of the event selection of the ATLAS experiment at the Large Hadron Collider. [...]
ATL-DAQ-PROC-2017-028. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5940.
Search for neutral and charged BSM Higgs bosons with the ATLAS detector / Álvarez Piqueras, Damián (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
Several theories beyond the Standard Model, like the EWS or 2HDM models, predict the existence of high mass neutral or charged Higgs particles. [...]
ATL-PHYS-PROC-2017-193. - 2017. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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5941.
ATLAS Higgs and Supersymmetry Physics Prospects at the High-Luminosity LHC / Venturi, Nicola (European Laboratory for Particle Physics, CERN)
The Higgs physics prospects at the high-luminosity LHC are presented, assuming an energy of sqrt(s) = 14 TeV and a data sample of 3000-4000 fb-1. [...]
ATL-PHYS-PROC-2017-192. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - PoS server
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5942.
Deep Learning in Flavour Tagging at the ATLAS experiment / Lanfermann, Marie Christine (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
A novel higher-level flavour tagging algorithm called DL1 has been developed using a neural network at the ATLAS experiment at the CERN Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2017-191. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5943.
The ATLAS Trigger in Run-2: Design, Menu, and Performance / Vazquez Schroeder, Tamara (McGill University, Department of Physics)
The ATLAS trigger system is composed of a hardware Level-1 trigger and a software-based high- level trigger. [...]
ATL-DAQ-PROC-2017-027. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5944.
Development of a new Soft Muon Tagger for the identification of $b$-jets in ATLAS / Sciandra, Andrea (University of Bonn)
$B$-tagging plays a fundamental role at LHC, as it helps in the identification of heavy particles that decay to bottom quarks, as the top quark and the Higgs boson or heavy exotic particles. [...]
ATL-PHYS-PROC-2017-190. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5945.
The AFP detector control system / Oleiro Seabra, Luis Filipe (LIP, Lisbon) ; Banaś, Elzbieta (Cracow, INP) ; Caforio, Davide (IEAP CTU, Prague) ; Czekierda, Sabina (Cracow, INP) ; Hajduk, Zbigniew (Cracow, INP) ; Olszowska, Jolanta (Cracow, INP) ; Sicho, Petr (ASCR, Prague) ; Zabinski, Bartlomiej (Cracow, INP)
The ATLAS Forward Proton (AFP) detector is one of the forward detectors of the ATLAS experiment at CERN aiming at measuring momenta and angles of diffractively scattered protons. [...]
ATL-FWD-PROC-2017-003. - 2018-01. - 5 p.
Original Communication (restricted to ATLAS) - Fulltext from JACoW server - Full text
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5946.
Operation and Performance of the ATLAS Level-1 Calorimeter and Topological Triggers in Run 2 / Weber, Sebastian Mario (Kirchhoff Inst. Phys.)
In Run 2 at CERN's Large Hadron Collider, the ATLAS detector uses a two-level trigger system to reduce the event rate from the nominal collision rate of 40 MHz to the event storage rate of 1 kHz, while preserving interesting physics events. [...]
ATL-DAQ-PROC-2017-026. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5947.
The ATLAS Measurements of Jet Production and the Strong Coupling Constant / Sawyer, Lee (Louisiana Tech University)
The production of jets at hadron colliders provides a stringent test of perturbative QCD at the highest energies. [...]
ATL-PHYS-PROC-2017-189. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5948.
Highlights of top quark properties measurements at ATLAS / Barranco Navarro, Laura (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The top quark is the heaviest known fundamental particle. [...]
ATL-PHYS-PROC-2017-188. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5949.
Measurement of the inclusive $t\bar{t}$ cross-section in $pp$ collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector / Bannoura, Arwa A E (Bergische Universitaet Wuppertal)
The inclusive $t\bar{t}$ production cross-section is measured in the lepton+jets channel using 20.2 fb$^{-1}$ of proton--proton collision data at a centre-of-mass energy of 8 TeV recorded with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2017-187. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5950.
Search for resonant and enhanced non-resonant di-Higgs production in the yybb channel at 13 TeV with the ATLAS detector / Cerda Alberich, Leonor (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
This document presents the run 2 search for di-Higgs production in the yybb channel. [...]
ATL-PHYS-PROC-2017-186. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5951.
SUSY searches at $\sqrt{s}$ = 13 TeV with two same-sign leptons or three leptons, jets and $E_T^{miss}$ at the ATLAS detector - Background estimation and latest analysis results. / Tornambe, Peter (Freiburg U.)
This proceeding summarizes a search for supersymmetric phenomena in final states with two leptons (electrons or muons) of the same electric charge or three leptons, jets and missing transverse energy. [...]
ATL-PHYS-PROC-2017-185. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5952.
Search for Dark Matter Produced in Association with the Standard Model Higgs Boson Decaying to $b\bar{b}$ at $\sqrt{s}=13$ TeV with the ATLAS Detector / Rohrig, Rainer (Max-Planck-Institut fuer Physik (Werner-Heisenberg-Institut) (DE))
The existence of Dark Matter is inferred from several astrophysical and cosmological observations. [...]
ATL-PHYS-PROC-2017-184. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5953.
Tracking and flavour tagging selection in the ATLAS High Level Trigger / Calvetti, Milene (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
In high-energy physics experiments, track based selection in the online environment is crucial for the efficient real time selection of the rare physics process of interest. [...]
ATL-DAQ-PROC-2017-025. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5954.
Measurement of quarkonia production in heavy-ion collisions with the ATLAS detector / Kremer, Jakub Andrzej (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
The suppression of heavy quarkonia states in heavy-ion collisions is a phenomenon understood as a consequence of QGP formation in the hot, dense system formed in nucleus-nucleus collisions at the LHC. [...]
ATL-PHYS-PROC-2017-183. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5955.
Top quark properties measurements with the ATLAS detector / Spano, Francesco (Department of Physics, Royal Holloway and Bedford New College)
Precise measurements of the properties of the top quark test the Standard Model (SM) and can be used to constrain new physics models. [...]
ATL-PHYS-PROC-2017-182. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5956.
Modernising ATLAS Software Build Infrastructure / ATLAS Collaboration
In the last year ATLAS has radically updated its software development infrastructure hugely reducing the complexity of building releases and greatly improving build speed, flexibility and code testing. [...]
ATL-SOFT-PROC-2017-056. - 2018-10-18. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5957.
Laser calibration of the ATLAS Tile Calorimeter / Di Gregorio, Giulia (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
High performance stability of the ATLAS Tile calorimeter is achieved with a set of calibration procedures. [...]
ATL-TILECAL-PROC-2017-017. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5958.
Measurement of fermionic couplings of the Standard Model Higgs boson using the $b\bar b$, $\tau^+ \tau^−$ and $\mu^+ \mu^−$ decay channels with the ATLAS detector / Wang, Song-Ming (Academia Sinica, Taipei)
In this report we present the latest results from the ATLAS experiment on the measurements of fermionic couplings of the Standard Model Higgs boson via the searches of the Higgs boson in the $b\bar{b}$, $\tau^{+}\tau^{-}$ and $\mu^{+}\mu^{-}$ decay channels. [...]
ATL-PHYS-PROC-2017-181. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5959.
Search for electroweak production of supersymmetric particles at LHC Run 2 with the ATLAS detector / Carra, Sonia (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
A search for electroweak production of supersymmetric particles decaying to final states with two or three leptons and missing transverse momentum is presented. [...]
ATL-PHYS-PROC-2017-180. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5960.
Control system for ATLAS TileCal HVRemote boards / Pedro Martins, Filipe Manuel (LIP) ; Gurriana, Luis (LIP) ; Oleiro Seabra, Luis Filipe (LIP) ; Evans, Guiomar (U. Lisbon (main)) ; Gomes, Agostinho (LIP ; U. Lisbon (main)) ; Maio, Amelia (LIP ; U. Lisbon (main)) ; Pinto Silva Rato, Catia Sofia (U. Lisbon (main)) ; Almendra Sabino, Joao Maria (U. Lisbon (main)) ; Soares Augusto, Jose (U. Lisbon (main) ; Lisbon, INESC-ID)
One of the proposed solutions for upgrading the high voltage (HV) system of Tilecal, the ATLAS hadron calorimeter, consists in removing the HV regulation boards from the detector and deploying them in a low-radiation room where there is permanent access for maintenance. [...]
ATL-TILECAL-PROC-2017-016. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from JACoW server
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5961.
An ATLAS distributed computing architecture for HL-LHC / Campana, S (CERN) ; Wenaus, T (Brookhaven)
The ATLAS collaboration started a process to understand the computing needs for the High Luminosity LHC era. [...]
ATL-SOFT-PROC-2017-055. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5962.
Optimisation of the ATLAS $b$-tagging algorithms for the 2017-2018 LHC data-taking / Di Bello, Francesco Armando (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
This contribution describes the performance of the ATLAS $b$-tagging algorithms for the 2017-18 datataking at the LHC. [...]
ATL-PHYS-PROC-2017-179. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5963.
Measurement of the Higgs boson coupling properties in the diphoton and $ZZ$ decay channels using the ATLAS detector / Gupta, Ruchi (Southern Methodist University, Department of Physics)
The coupling properties of the Higgs boson are studied in the diphoton, ZZ to four-lepton decay channels using 36.1 fb$^{-1}$ of $pp$ collision data from the LHC at a centre-of-mass energy of 13 TeV collected by the ATLAS detector. [...]
ATL-PHYS-PROC-2017-178. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5964.
Leveraging the checkpoint-restart technique for optimizing CPU efficiency of ATLAS production applications on opportunistic platforms / Cameron, David (University of Oslo) ; Elmsheuser, Johannes (Brookhaven National Laboratory (BNL)) ; Heinrich, Lukas (Department of Physics, New York University) ; Lavrijsen, Wim (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Nilsson, Paul (Brookhaven National Laboratory (BNL)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Vogel, Marcelo (Bergische Universitaet Wuppertal)
Data processing applications of the ATLAS experiment, such as event simulation and reconstruction, spend considerable amount of time in the initialization phase. [...]
ATL-SOFT-PROC-2017-054. - 2018-10-18. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5965.
Beam backgrounds in the ATLAS detector during LHC loss map tests at beta*=40cm and beta*=80cm at Ebeam=6.5 TeV
In this note the beam-background measurements with the ATLAS detector during lossmap tests of the LHC are described. [...]
ATL-DAPR-PUB-2017-001. - 2017. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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5966.
New Physics searches with Heavy Flavour observables at ATLAS / De Sanctis, Umberto (INFN Roma Tor Vergata and Universita' di Roma Tor Vergata, Dipartimento di Fisica)
New and recent results from the ATLAS programme of studies in electroweak physics with open beauty are presented. [...]
ATL-PHYS-PROC-2017-177. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5967.
Searches for Dark Matter with in Events with Hadronic Activity / Chiodini, Gabriele (INFN, Lecce)
The astrophysical evidence of dark matter provides some of the most compelling clues to the nature of physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2017-176. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5968.
Outreaching particle physics to Latin America: CEVALE2VE and the use of ATLAS open data / Camacho Toro, Reina (University of Chicago, Enrico Fermi Institute)
Particle physics outreach can play a key role in promoting scientific culture and in the modernisation of university education in Latin America. [...]
ATL-OREACH-PROC-2017-003. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5969.
Machine Learning Algorithms for $b$-Jet Tagging at the ATLAS Experiment / Paganini, Michela (Yale University)
The separation of $b$-quark initiated jets from those coming from lighter quark flavors ($b$-tagging) is a fundamental tool for the ATLAS physics program at the CERN Large Hadron Collider. [...]
arXiv:1711.08811 ; ATL-PHYS-PROC-2017-211. - 2018-10-18. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - Fulltext from Publisher - Fulltext - Fulltext - Fulltext - Fulltext - Fulltext - Fulltext - Fulltext - Fulltext
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5970.
Top-quark mass and top-quark pole mass measurements with the ATLAS detector / Barillari, Teresa (Max-Planck-Institut fuer Physik)
Results of top-quark mass measurements in the di-lepton and in the all-jets top-antitop decay channels with the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2017-210. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5971.
Development of the jet Feature EXtractor (jFEX) for the ATLAS Level 1 calorimeter trigger upgrade at the LHC / ATLAS Collaboration
To cope with the enhanced luminosity delivered by the Large Hadron Collider from 2021 onwards, the ATLAS experiment has planned several upgrades. [...]
ATL-DAQ-PROC-2017-032. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - PoS Server - Full text
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5972.
Higgs boson measurements in the $WW^{\ast}$, $\tau\tau$, and $\mu\mu$ channels with the ATLAS Experiment / Becker, Kathrin (University of Oxford, Particle Physics)
The status of Higgs boson measurements in the $WW^{\ast}$, $\tau\tau$, and $\mu\mu$ decay modes with the ATLAS experiment is presented. [...]
ATL-PHYS-PROC-2017-209 ; arXiv:1710.05343. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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5973.
Measurement of the W-boson mass in the ATLAS experiment at the LHC / Lin, Tai-Hua (Institut fuer Physik, Universitaet Mainz) ; ATLAS Collaboration
The measurement of the W -boson mass in proton–proton collisions in the ATLAS experiment at the Large Hadron Collider (LHC) provides a consistency test of the Standard Model and a probe of Beyond the Standard Model physics. [...]
ATL-PHYS-PROC-2017-208. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5974.
Measurement of cross sections and couplings of the Higgs Boson using the ATLAS detector with 13 TeV proton-proton collisions at LHC / Mancini, Giada (INFN e Laboratori Nazionali di Frascati)
After the Higgs boson discovery, great interest was given in measuring its properties and studies have been performed to test its nature and probe whether it is the Standard Model (SM) Higgs boson or not. [...]
ATL-PHYS-PROC-2017-207. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5975.
Simulation of the ATLAS New Small Wheel trigger / Saito, Tomoyuki (Tokyo U., ICEPP)
The instantaneous luminosity of the LHC will increase up to a factor of seven with respect to the original design value to explore physics at higher energy scale. [...]
ATL-MUON-PROC-2017-007. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - PoS Server - Full text
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5976.
Inclusive and differential $W/Z$ measurements in ATLAS and CMS / Malecki, Pawel (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
The measurements of Standard Model processes such as production of the electroweak bosons are extremely important in understanding the nature of particle physics. [...]
ATL-PHYS-PROC-2017-206. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5977.
Development of the new trigger processor board for the ATLAS Level-1 endcap muon trigger for Run-3 / Mizukami, Atsushi (KEK, Tsukuba)
The instantaneous luminosity of the LHC will be increased by up to a factor of three with respect to the original design value at Run-3 (starting 2021). [...]
ATL-DAQ-PROC-2017-031. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - PoS Server - Full text
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5978.
Search for the Standard Model Higgs boson decaying to b-quark pairs with the ATLAS detector at the LHC / Liang, Zhijun (Institute of High Energy Physics, Chinese Academy of Sciences)
After many years of searches, the Higgs boson was observed by the ATLAS and CMS collaborations in July 2012. [...]
arXiv:1710.05186 ; ATL-PHYS-PROC-2017-205. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5979.
Readout board upgrade for the Pixel Detectors: reasons, status and results in ATLAS / Giangiacomi, Nico (Universita e INFN, Bologna)
The increase of luminosity in the LHC accelerator at CERN constitutes a challenge for the data readout since the rate of data to be transmitted depends on both pileup and trigger frequency. [...]
ATL-INDET-PROC-2017-004. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5980.
Searches for Vector-Like Quarks at 13 TeV at the ATLAS Experiment / Nackenhorst, Olaf (Fakultaet Physik, Technische Universitaet Dortmund, Dortmund)
Vector like quarks appear in many theories beyond the Standard Model as a way to cancel the mass divergence for the Higgs boson. [...]
ATL-PHYS-PROC-2017-204. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5981.
ATLAS calorimeters: Run-2 performances and Phase-II upgrades / Boumediene, Djamel Eddine (Laboratoire de Physique de Clermont-Ferrand (LPC), Universite Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, France)
The ATLAS detector was designed and built to study proton-proton collisions produced at the LHC at centre-of-mass energies up to 14 TeV and instantaneous luminosities up to $10^{34} cm^{-2} s^{-1}$. [...]
ATL-CAL-PROC-2017-001. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5982.
Measurements of low energy observables, elastic $pp$ interactions and exclusive production in proton-proton collisions with the ATLAS Detector / Bussey, Peter (Glasgow U.)
A summary is given of recent ATLAS results at the LHC, covering a number of areas that reflect the Collaboration’s work in low energy physical observables in multiparticle events, elastic photon-photon scattering, proton-proton scattering.and the tagging of diffractive events..
ATL-PHYS-PROC-2017-203. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5983.
Single Top quark production cross section measurements using the ATLAS detector / Alhroob, Muhammad (University of Oklahoma)
This proceeding contains single top quark production measurements based on 8 and 13 TeV datasets collected by the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2017-202. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5984.
Searches for electroweak production of supersymmetric gauginos and sleptons with the ATLAS detector / Zinonos, Zinonas (Max-Planck-Institut fuer Physik)
A search for the electroweak production of charginos, neutralinos and sleptons decaying to final states involving two or three electrons or muons is presented. [...]
ATL-PHYS-PROC-2017-201. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5985.
Hadronic triggers and trigger object-level analysis at ATLAS / Zaripovas, Donatas Ramilas (University of Glasgow, SUPA - School of Physics and Astronomy)
Hadronic signatures are critical to the high energy physics analysis program at the Large Hadron Collider (LHC), and are broadly used for both Standard Model measurements and searches for new physics. [...]
ATL-DAQ-PROC-2017-030. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5986.
Searches for direct top squark pair production in compressed Supersymmetry scenarios with the ATLAS detector / Jones, Samuel David (Sussex U.)
If Supersymmetry is to stabilise the Higgs boson mass, naturalness arguments suggest the mass of the scalar partner of the top quark (the stop) to be below around 1 TeV. [...]
ATL-PHYS-PROC-2017-200. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5987.
Search for long-lived massive particles in events with displaced vertices and missing transverse momentum in $\sqrt s = 13 $ TeV $pp$ collisions with the ATLAS detector / Otono, Hidetoshi (Kyushu University)
A search for long-lived particles at the electroweak scale, which are predicted by a number of theories beyond the Standard Model, such as long-lived gluino in Split Supersymmetry, is pre- sented. [...]
ATL-PHYS-PROC-2017-199. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5988.
Modeling Radiation Damage to Pixel Sensors in the ATLAS Detector / Nachman, Benjamin Philip (Lawrence Berkeley National Laboratory and University of California, Berkeley)
Silicon Pixel detectors are at the core of the current and planned upgrade of the ATLAS detector. [...]
arXiv:1710.03916 ; ATL-INDET-PROC-2017-003. - 2017. - 12 p.
Original Communication (restricted to ATLAS) - Full text - Preprint - Fulltext
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5989.
CMOS pixel sensor development for the ATLAS experiment at the High Luminosity-LHC / Rimoldi, Marco (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics)
The current ATLAS Inner Detector will be replaced with a fully silicon based detector called Inner Tracker (ITk) before the start of the High Luminosity-LHC project (HL-LHC) in 2026. [...]
ATL-ITK-PROC-2017-009. - 2017. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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5990.
Search for New Phenomena in Dijet Events with the ATLAS Detector at $\sqrt{s} =$ 13 TeV / Picazio, Attilio (University of Massachusetts, Amherst)
During the last two years the LHC produced pp collisions at the record center-of-mass energy of 13 TeV. [...]
ATL-PHYS-PROC-2017-198. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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5991.
Calibration and Performance of the ATLAS Tile Calorimeter during the LHC Run 2 / Faltova, Jana (European Laboratory for Particle Physics, CERN)
The Tile Calorimeter (TileCal) covers the central part of the ATLAS experiment and provides important information for the reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. [...]
ATL-TILECAL-PROC-2017-018. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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5992.
Commissioning and validation of the ATLAS Level-1 topological trigger / Aukerman, Andrew Todd (University of Pittsburgh) ; Hong, Tae Min (University of Pittsburgh)
The ATLAS experiment has recently commissioned a new hardware component of its first-level trigger: the topological processor (L1Topo). [...]
ATL-DAQ-PROC-2017-029. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Fulltext from JACoW server - Full text
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5993.
CP violation in b-hadron decays using top-pair events in 8 TeV ATLAS data / D'onofrio, Adelina (Queen Mary University of London)
The large number of top-antitop pair events produced in pp colllisions at the Large Hadron Collider (LHC) provides a unique source of b-quarks that can be used to probe the CP violation in heavy-flavour mixing and decay. [...]
ATL-PHYS-PROC-2017-197. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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5994.
Soft QCD / Todorova-Nova, Sharka (LAPP, Universite Savoie Mont Blanc, CNRS/IN2P3, Annecy-le-Vieux)
The talk contains an overview of recent experimental results obtained by the LHC experiments and their comparison with predictions of phenomenological models..
ATL-PHYS-PROC-2017-196. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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5995.
Overview and developments for the Phase-II upgrade of the inner tracker of the ATLAS experiment / Hayward, Helen (University of Liverpool)
In the high luminosity era of the Large Hadron Collider (HL-LHC), the instantaneous luminosity is expected to reach unprecedented values, resulting in about 200 proton-proton interactions in a typical bunch crossing. [...]
ATL-ITK-PROC-2017-008. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5996.
The secondary vertex finding algorithm with the ATLAS detector / Heer, Sebastian (University of Bonn)
A high performance identification of jets, produced via fragmentation of bottom quarks, is crucial for the ATLAS experiment, running at the LHC. [...]
ATL-PHYS-PROC-2017-195. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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5997.
Associated production with onia, double onia production at the LHC / Bouhova-Thacker, Evelina Vassileva (Lancaster U. (main))
The most recent results on associated production with onia and double onia production at the LHC are presented and compared to theoretical predictions and measurements by other experiments..
ATL-PHYS-PROC-2017-224. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - PoS Server - Full text
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5998.
A study of the applicability of recommender systems for the Production and Distributed Analysis system PanDA of the ATLAS Experiment / Titov, Mikhail (NRC Kurchatov Institute Tier site) ; Zaruba, Gergely (The University of Texas at Arlington) ; De, Kaushik (The University of Texas at Arlington) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Jha, S. (Rutgers U., Piscataway)
Scientific computing has advanced in a way of how to deal with massive amounts of data, since the production capacities have increased significantly for the last decades. [...]
ATL-SOFT-PROC-2017-060. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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5999.
ATLAS Phase-II upgrade pixel data transmission development / Nielsen, Jason (UC, Santa Cruz)
The current tracking system of the ATLAS experiment will be replaced by an all-silicon detector (ITk) in the course of the planned HL-LHC accelerator upgrade around 2025. [...]
ATL-ITK-PROC-2017-012. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - PoS Server - Full text
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6000.
Measurements of the vector boson production with the ATLAS detector / Lapertosa, Alessandro (INFN Genova and Universita' di Genova, Dipartimento di Fisica)
Measurements of the Drell-Yan production of $W$ and $Z$ bosons at the LHC provide a benchmark of our understanding of perturbative QCD and probe the proton structure in a unique way. [...]
ATL-PHYS-PROC-2017-223. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6001.
Searches for new phenomena in leptonic final states using the ATLAS detector / Artoni, Giacomo (University of Oxford, Particle Physics)
Many theories beyond the Standard Model predict new phenomena which decay into well isolated, high-transverse-momentum leptons. [...]
ATL-PHYS-PROC-2017-222. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6002.
Predictive analytics tools to adjust and monitor performance metrics for the ATLAS Production System / Barreiro Megino, Fernando Harald (The University of Texas at Arlington) ; Borodin, Mikhail (University of Iowa) ; Golubkov, Dmitry (State Research Center Institute for High Energy Physics (Protvino), NRC KI) ; Grigoryeva, Maria (CERN Tier-0) ; Gubin, Maksim (CERN Tier-0) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Korchuganova, Tatiana (CERN Tier-0) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Padolski, Siarhei (Brookhaven National Laboratory (BNL)) ; Titov, Mikhail (NRC Kurchatov Institute Tier site)
Having information such as an estimation of the processing time or possibility of system outage (abnormal behaviour) helps to assist to monitor system performance and to predict its next state. [...]
ATL-SOFT-PROC-2017-059. - 2018-10-18. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6003.
The ATLAS Electron and Photon Trigger / Jones, Samuel David (University of Sussex)
Electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential for signal selection in a wide variety of ATLAS physics analyses to study Standard Model processes and to search for new phenomena. [...]
ATL-DAQ-PROC-2017-040. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6004.
EXPERIENCE WITH SPLUNK FOR ARCHIVING AND VISUALISATION OF OPERATIONAL DATA IN ATLAS TDAQ SYSTEM / Kazarov, Andrei (Petersburg Nuclear Physics Institute) ; Mineev, Mikhail (Joint Institute for Nuclear Research) ; Avolio, Giuseppe (European Laboratory for Particle Physics, CERN) ; Chitan, Adrian (Horia Hulubei National Institute of Physics and Nuclear Engineering)
The ATLAS Trigger and Data Acquisition (TDAQ) is a large, distributed system composed of several thousands interconnected computers and tens of thousands software processes (applications). [...]
ATL-DAQ-PROC-2017-039. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6005.
Search for the decay of the Higgs boson into two nMSSM pseudo-scalar particles / Janus, Michel (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
The next-to-minimal supersymmetric Standard Model (nMSSM) predicts the existence of a light pseudo-scalar boson "$a$" and the decay of the Higgs boson into a pair of such particles. [...]
ATL-PHYS-PROC-2017-221. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6006.
Continuous software quality analysis for the ATLAS experiment / Washbrook, Andrew (University of Edinburgh)
The software for the ATLAS experiment on the Large Hadron Collider at CERN has evolved over many years to meet the demands of Monte Carlo simulation, particle detector reconstruction and data analysis. [...]
ATL-SOFT-PROC-2017-058. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6007.
Search for Non-Standard, Rare or Invisible Decays of the Higgs Boson with the ATLAS Detector / Thompson, Paul (University of Birmingham)
The search for non-standard, invisible or rare decays of the Higgs boson is an important area of investigation at the LHC because of the sensitivity to effects from physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2017-220. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6008.
Identification of hadronically decaying W bosons and top quarks using multivariate techniques at ATLAS / Nitta, Tatsumi (Waseda University, Waseda Research Institute for Science and engineering (WISE))
By colliding protons and examining particles emitted from the collisions, the Large Hadron Collider aims to study the interactions of quarks and gluons at the highest energies accessible in a controlled experimental way. [...]
ATL-PHYS-PROC-2017-219. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6009.
Search for heavy resonances decaying to top quarks / D'Auria, Saverio (University of Glasgow, SUPA - School of Physics and Astronomy)
Searches for new resonances that decay either to pairs of top quarks or a top and a $b$-quark are presented. [...]
ATL-PHYS-PROC-2017-218. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6010.
Triple and quartic gauge boson couplings at the LHC / Kupco, Alexander (Academy of Sciences of the Czech Republic, Institute of Physics)
This report at the conference Physics in Collision 2017 reviews recent results from the ATLAS and CMS experiments on production of gauge boson pairs, triples, and vector boson scattering (VBS) processes. [...]
ATL-PHYS-PROC-2017-217. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6011.
The ATLAS Trigger Simulation with Legacy Software / Bernius, Catrin (SLAC National Accelerator Laboratory) ; Galster, Gorm (Bohr Inst.) ; Salnikov, Andy (SLAC) ; Stelzer, Joerg (CERN) ; Wiedenmann, Werner (U. Wisconsin, Madison (main))
Physics analyses at the LHC require accurate simulations of the detector response and the event selection processes, generally done with the most recent software releases. [...]
ATL-DAQ-PROC-2017-038. - 2017.
Original Communication (restricted to ATLAS) - Full text - Full text
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6012.
Hardware trigger processor for the MDT system / Costa De Paiva, Thiago (UMass Amherst) ; Hazen, Eric (Boston University, Department of Physics) ; Butler, John (Boston University, Department of Physics) ; Black, Kevin (Boston University, Department of Physics) ; Gastler, Daniel Edward (Boston University, Department of Physics) ; Ntekas, Konstantinos (University of California, Irvine) ; Taffard, Anyes (University of California, Irvine) ; Martinez Outschoorn, Verena (University of Massachusetts, Amherst) ; Ishino, Masaya (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo) ; Okumura, Yasuyuki (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
We are developing a low-latency hardware trigger processor for the Monitored Drift Tube system in the Muon spectrometer. [...]
ATL-DAQ-PROC-2017-037. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - PoS Server
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6013.
Using containers with ATLAS offline software / Vogel, Marcelo (Bergische Universitaet Wuppertal) ; Stewart, Graeme (University of Glasgow, SUPA - School of Physics and Astronomy) ; Elmsheuser, Johannes (Brookhaven National Laboratory (BNL)) ; Heinrich, Lukas (Department of Physics, New York University)
This paper describes the deployment of ATLAS offline software in containers for software development. [...]
ATL-SOFT-PROC-2017-057. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6014.
ATLAS ITk short-strip stave prototype module with integrated DCDC powering and control / Greenall, Ashley (U. Liverpool (main))
During the Phase II upgrade, the ATLAS detector at the LHC will be upgraded with a new Inner Tracker (ITk) detector. [...]
ATL-ITK-PROC-2017-011. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - PoS Server - Full text
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6015.
The ATLAS Fast Tracker system / Iizawa, Tomoya (Waseda U.)
From 2010 to 2012 the Large Hadron Collider (LHC) operated at a centre-of-mass energy of 7 TeV and 8 TeV, colliding bunches of particles every 50 ns. [...]
ATL-DAQ-PROC-2017-036. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - PoS Server - Full text
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6016.
Algorithmic improvements and calibration measurements for flavour tagging at the ATLAS experiment / Battaglia, Marco (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) ; Calandri, Alessandro (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS)
The identification of jets containing bottom or charm hadrons is crucial to the LHC physics program.Top-quark decays proceed almost exclusively through a $b$-quark. [...]
ATL-PHYS-PROC-2017-216. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6017.
The ATLAS Tile Calorimeter experience with 10,000 readout photomultipliers operating since the start of the $p-p$ collisions at LHC / Lazar, Hadar (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; ATLAS Tile Collaboration
The channels of TileCal, the hadron calorimeter of the Atlas experiment at the LHC, is readout with 8-stage fine-mesh PhotoMulTipliers (PMTs), a special version of the Hamamatsu model R5900. [...]
ATL-TILECAL-PROC-2017-019. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6018.
The development of Global Feature eXtractor (gFEX) - the ATLAS calorimeter Level 1 trigger for ATLAS at High Luminosity LHC / Tang, Shaochun (Brookhaven Natl. Lab.) ; Begel, Michael (Brookhaven National Laboratory (BNL)) ; Chen, Hucheng (Brookhaven National Laboratory (BNL)) ; Chen, Kai (Brookhaven National Laboratory (BNL)) ; Lanni, Francesco (Brookhaven National Laboratory (BNL)) ; Takai, Helio (Brookhaven National Laboratory (BNL)) ; Wu, Weihao (Brookhaven National Laboratory (BNL))
As part of the ATLAS Phase-I Upgrade, the gFEX is designed to help maintain the ATLAS Level-1 trigger acceptance rate with the increasing LHC luminosity. [...]
ATL-DAQ-PROC-2017-035. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - PoS Server - Full text
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6019.
Test Management Framework for the Data Acquisition of the ATLAS Experiment / Kazarov, Andrei (Petersburg Nuclear Physics Institute) ; Lehmann Miotto, Giovanna (European Laboratory for Particle Physics, CERN) ; Avolio, Giuseppe (European Laboratory for Particle Physics, CERN) ; Corso-Radu, Alina (University of California, Irvine) ; Unel, Gokhan (University of California, Irvine) ; Soloviev, Igor (University of California, Irvine)
Data Acquisition (DAQ) of the ATLAS experiment is a large distributed and inhomogeneous system: it consists of thousands of interconnected computers and electronics devices that operate coherently to read out and select relevant physics data. [...]
ATL-DAQ-PROC-2017-034. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6020.
Multi-threading in the ATLAS High-Level Trigger / Barton, Adam Edward (Lancaster University, Department of Physics)
Over the next decade of LHC data-taking the instantaneous luminosity will reach up 7.5 times the design value with over 200 interactions per bunch-crossing and will pose unprecedented challenges for the ATLAS trigger system. [...]
ATL-DAQ-PROC-2017-033. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6021.
Measurements of $t\overline{t}$+X using the ATLAS detector / Kawade, Kentaro (Kobe University)
The large centre-of-mass energy available at the Large Hadron Collider (LHC) allowsfor the copious production of top quark pairs in association with other final stateparticles at high transverse momenta.Several final state observables that are sensitive to additional radiation in topanti-top quark final states has been measured by the ATLAS experiment.The production of top quark pair in association with $W$ and $Z$ bosons or with aphoton have been also measured.Analyses probing the top pair production with additional QCD radiation include themultiplicity of jets for various transverse momentum thresholds in the 13 TeV data.These measurements are compared to modern Monte Carlo generators based on NLO QCDmatrix element or LO multi-leg matrix elements,and the results are consistent with the standard model predictions within the uncertainties..
ATL-PHYS-PROC-2017-215. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6022.
ATLAS ITk short-strip stave prototypes with 130 nm chipset / Phillips, Peter William (Rutherford) ; Dopke, Jens (Rutherford) ; Sawyer, Craig (Rutherford) - Co-author Co-author
The ATLAS ITk Collaboration is working to deliver a new Inner Tracking detector for use at HL-LHC. [...]
ATL-ITK-PROC-2017-010. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - PoS Server - Full text
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6023.
BDTs in the Search for $\mathrm{t \bar{t} H}$ Production with Higgs Decays to $\mathrm{b\bar{b}}$ at ATLAS / Glaysher, Paul (DESY)
An observation of Higgs boson production in association with a top quark pair ($\mathrm{t \overline{t}H}$) is a key outstanding measurement of the LHC programme. [...]
ATL-PHYS-PROC-2017-214. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6024.
Top pair production in association with a vector gauge boson in ATLAS / Sjoelin, Joergen (Stockholm University (SE))
An overview of the latest results for top pair production in association with a vector gauge boson in the ATLAS detector at LHC is presented. [...]
ATL-PHYS-PROC-2017-213 ; arXiv:1710.05618. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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6025.
Recent results of searches for beyond Standard Model physics in ATLAS / Serkin, Leonid (INFN Gruppo Collegato di Udine and ICTP, Trieste)
Recent results of searches for beyond Standard Model physics in ATLAS are presented, with particular focus on searches for new phenomena in high jet multiplicity final states. [...]
ATL-PHYS-PROC-2017-212. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6026.
Study of $b \to sll$ decays at ATLAS / Bona, Marcella (Queen Mary University of London)
The study of flavour-changing neutral current (FCNC) gives access to important tests of the Standard Model (SM) and allows to search for hints of beyond the SM phenomena. [...]
ATL-PHYS-PROC-2017-233 ; arXiv:1710.11000. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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6027.
SINGLE TOP PRODUCTION IN ATLAS AND CMS / Franchini, Matteo (Universita e INFN, Bologna)
A status review of the newest single top analysis results obtained by the ATLAS and CMS collaborations will be presented. [...]
ATL-PHYS-PROC-2017-232. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6028.
A scalable new mechanism to store and serve the ATLAS detector description through a REST web API / Bianchi, Riccardo-Maria (University of Pittsburgh) ; Vukotic, Ilija (University of Chicago, Enrico Fermi Institute) - co-author
Until now, geometry information for the detector description of HEP experiments was only stored in online relational databases integrated into the experiments’ frameworks or described in files with text-based markup languages. [...]
ATL-SOFT-PROC-2017-062. - 2018-10-18. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6029.
Cross-section measurements of final states with photons and jets with the ATLAS experiment / Villaplana Perez, Miguel (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
The ATLAS Collaboration has performed precise measurements of the cross-section of final states with photons and/or jets at centre-of-mass energies of 8 and 13 TeV. [...]
ATL-PHYS-PROC-2017-231. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6030.
Heavy Flavour Production and Properties at ATLAS and CMS / Barton, Adam Edward (Lancaster University, Department of Physics)
Measurements of heavy flavour properties and production are an important part of the physics program of the ATLAS and CMS experiments at LHC [...]
ATL-PHYS-PROC-2017-230. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6031.
Upgrade of the ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Hildebrand, Kevin (University of Chicago, Enrico Fermi Institute)
The Tile Calorimeter is the hadronic calorimeter covering the central region of the ATLAS detector at the Large Hadron Collider. [...]
ATL-TILECAL-PROC-2017-020. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6032.
Top Production Properties in ATLAS & CMS / Neep, Thomas James (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay)
The large mass and short lifetime of the top quark mean that it decays before forming bound states. [...]
ATL-PHYS-PROC-2017-229. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6033.
Measurements of the Higgs Boson Mass and Couplings with ATLAS 13 TeV Data / Feng, Eric (European Laboratory for Particle Physics, CERN)
Combined measurements of the Higgs boson mass, as well its production cross sections and branching fractions, are performed using the $H \to \gamma\gamma$ and $H \to ZZ^{*} \to 4l$ decay channels. [...]
ATL-PHYS-PROC-2017-228. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6034.
Federating distributed storage for clouds in ATLAS / ATLAS Collaboration
Input data for applications that run in cloud computing centres can be stored at distant repositories, often with multiple copies of the popular data stored at many sites. [...]
arXiv:1810.11226 ; ATL-SOFT-PROC-2017-061. - 2018-10-18. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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6035.
Run control communication for the upgrade of the ATLAS Muon-to-Central Trigger Processor Interface (MUCTPI) / ATLAS Collaboration
The Muon-to-Central-Trigger-Processor Interface (MUCTPI) of the ATLAS experiment at the Large Hadron Collider (LHC) at CERN will be upgraded to an ATCA blade system for Run 3, starting in 2021. [...]
ATL-DAQ-PROC-2017-041. - 2018-01. - 4 p.
Original Communication (restricted to ATLAS) - Fulltext from JACoW server - Full text
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6036.
Highlights of top-quark measurements in hadronic final states at ATLAS / Palazzo, Serena (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
Measurements of inclusive and differential top-quark production cross-sections in hadronic final states, including hadronic tau decays, in proton-proton collisions with the ATLAS detector at the Large Hadron Collider are presented at center of mass energies of 7, 8 and 13 TeV. [...]
ATL-PHYS-PROC-2017-227. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6037.
Recent ATLAS measurements of azimuthal anisotropies in $pp$ and $p$+Pb collisions / Trzupek, Adam (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
The azimuthal anisotropies of particle yields observed in relativistic heavy-ion collisions are considered as an evidence of the formation on a deconfined Quark-Gluon Plasma produced in these collisions. [...]
ATL-PHYS-PROC-2017-226. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6038.
Production of electroweak bosons in association with jets with the ATLAS detector / Spagnolo, S. (INFN, Lecce ; Salento U.)
This report summarises studies of associated production of electroweak gauge bosons and jets in proton-proton collisions at LHC with center of mass energy of 8 and 13 TeV. [...]
ATL-PHYS-PROC-2017-225 ; arXiv:1710.08857. - 2017. - 14 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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6039.
Measurement of cross sections and couplings of the Higgs boson in fermionic decay modes with the ATLAS detector / Shi, Liaoshan (Academia Sinica, Taipei)
In this report, we present the latest ATLAS results on the measurement of the cross sections and couplings of the Higgs boson in the fermionic decay modes, $H\rightarrow\mu^{+}\mu^{-}$, $H\rightarrow\tau^{+}\tau^{-}$ and $H\rightarrow b\bar{b}$. [...]
ATL-PHYS-PROC-2017-237. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6040.
Upgrading the Fast Calorimeter Simulation in ATLAS / Schaarschmidt, Jana (Department of Physics, University of Washington, Seattle)
The tremendous need for simulated samples now and even more so in the future, encourage the development of fast simulation techniques. [...]
ATL-SOFT-PROC-2017-066. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6041.
ATLAS Jet Reconstruction, Calibration, and Tagging of Lorentz-boosted Objects / Schramm, Steven (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
Jet reconstruction in the ATLAS detector takes multiple forms, as motivated by the intended usage of the jet. [...]
ATL-PHYS-PROC-2017-236. - 2017.
Original Communication (restricted to ATLAS) - Full text
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6042.
A Conditions Data Management System for HEP Experiments / Laycock, Paul (University of Liverpool)
Conditions data infrastructure for both ATLAS and CMS have to deal with the management of several Terabytes of data. [...]
ATL-SOFT-PROC-2017-065. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6043.
Evidence for the associated production of the Higgs boson and a top quark pair with the ATLAS detector
A search for the associated production of the Higgs boson with a top quark pair ($t\bar t H$) in multilepton final states using a dataset corresponding to an integrated luminosity of 36.1 fb$^{-1}$ of proton--proton collision data recorded by the ATLAS experiment at a centre-of-mass energy $\sqrt{s} = 13$ TeV at the Large Hadron Collider is reported. [...]
ATLAS-CONF-2017-077. - 2017. - 59 p.
Original Communication (restricted to ATLAS) - Full text
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6044.
Search for the Standard Model Higgs boson produced in association with top quarks and decaying into a $\boldsymbol{b\bar{b}}$ pair in $\boldsymbol{pp}$ collisions at $\sqrt{\textbf{s}}$ $\boldsymbol{=}$13 TeV with the ATLAS detector
A search for the Standard Model Higgs boson produced in association with a top-quark pair, $t\bar{t}H$, is presented. [...]
ATLAS-CONF-2017-076. - 2017.
Original Communication (restricted to ATLAS) - Full text
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6045.
Measurement of contributions of diffractive processes to forward photon spectra in pp collisions at $\sqrt{s}$ = 13 TeV
This note presents a study of the contribution of proton diffractive dissociation to production of forward photons in pp collisions at $\sqrt{s}$ = 13 TeV with data recorded by the ATLAS and LHCf experiments in a joint effort. [...]
ATLAS-CONF-2017-075. - 2017. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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6046.
The ATLAS Data Management System Rucio: Supporting LHC Run-2 and beyond / Barisits, Martin-Stefan (Institut fuer Astro- und Teilchenphysik der Leopold-Franzens-Universitaet Innsbruck) ; Beermann, Thomas (European Laboratory for Particle Physics, CERN) ; Garonne, Vincent (University of Oslo) ; Javurek, Tomas (Albert Ludwigs Universitaet Freiburg (DE)) ; Lassnig, Mario (European Laboratory for Particle Physics, CERN) ; Serfon, Cedric (University of Oslo)
With this contribution we present some recent developments made to Rucio, the data management system of the High-Energy Physics Experiment ATLAS. [...]
ATL-SOFT-PROC-2017-064. - 2018-10-18. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6047.
Top-quark properties and mass measurements with the ATLAS detector / Dado, Tomas (Comenius University)
The top quark is unique among the known quarks in that it decays before it has an opportunity to form hadronic bound states. [...]
ATL-PHYS-PROC-2017-235. - 2017. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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6048.
Novel methods in track-based alignment to correct for time-dependent distortions of the ATLAS Inner Detector / Estrada Pastor, Oscar (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
ATLAS is a multipurpose experiment at the LHC proton-proton collider. [...]
ATL-SOFT-PROC-2017-063. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6049.
Search for the associated production of a Higgs boson and a top quark pair in multilepton (2 leptons, no hadronically-decaying $\tau$ lepton candidates and 4 leptons) final states with the ATLAS detector. / Dumitriu, Ana Elena (Horia Hulubei National Institute of Physics and Nuclear Engineering)
The Yukawa coupling of the Higgs boson to the top quark is a key parameter of the Standard Model. [...]
ATL-PHYS-PROC-2017-234. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6050.
ATLAS BigPanDA Monitoring / Padolski, Siarhei (Brookhaven National Laboratory (BNL)) ; Alekseev, Aleksandr (CERN Tier-0) ; Korchuganova, Tatiana (CERN Tier-0) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Wenaus, Torre (Brookhaven National Laboratory (BNL))
BigPanDA monitoring is a web-based application that provides various processing and representation of the Production and Distributed Analysis (PanDA) system objects states. [...]
ATL-SOFT-PROC-2017-069. - 2018-10-18. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6051.
Search for neutral and charged BSM Higgs Bosons with the ATLAS detector / Bruckman de Renstrom, Pawel (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
Several theories beyond the Standard Model, like the EWS or 2HDM models, predict the existence of high mass neutral or charged Higgs particles. [...]
ATL-PHYS-PROC-2017-243. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6052.
Inclusive searches for squarks and gluinos with the ATLAS detector / Adachi, Shunsuke (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied StandardModel extensions. [...]
ATL-PHYS-PROC-2017-242. - 2017. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6053.
THE ATLAS DATA ACQUISITION SYSTEM IN LHC RUN 2 / Pozo Astigarraga, Mikel Eukeni (European Laboratory for Particle Physics, CERN)
The LHC has been providing proton-proton collisions with record intensity and energy since the start of Run 2 in 2015. [...]
ATL-DAQ-PROC-2017-043. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6054.
Analytical description of missing transverse-momentum trigger rates in ATLAS with 7 and 8 TeV data
The missing transverse-momentum (MET) trigger of the ATLAS experiment is based on the measurement of the energy deposited over the full calorimeter acceptance. [...]
ATL-DAQ-PUB-2017-002. - 2017.
Original Communication (restricted to ATLAS) - Full text
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6055.
FELIX: the new detector readout system for the ATLAS experiment / Bauer, Kevin Thomas (University of California, Irvine)
Starting in 2018 during the planned shutdown of the LHC, the ATLAS experiment at CERN will be deploying new optical link technology (GigaBit Transceiver links) connecting the front end electronics. [...]
ATL-DAQ-PROC-2017-042. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6056.
Search for dark matter particle candidates produced in association with a Z boson in pp collisions at a center-of-mass energy of 13 TeV with the ATLAS detector / Basalaev, Artem (St. Petersburg, INP)
A search for dark matter particle candidates produced in association with a Z boson in proton-proton collisions at the total center-of-mass energy of 13 TeV is presented. [...]
ATL-PHYS-PROC-2017-241. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text
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6057.
Probing QCD with Photons and Jets at the ATLAS detector / Callea, Giuseppe (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
This contribution gives an overview of the recent measurements of the differential cross sections for final states involving photons and/or jets at the centre-of-mass energies of 8 and 13 TeV, published by the ATLAS Collaboration. [...]
ATL-PHYS-PROC-2017-240. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6058.
An Updated Front-End Data Link Design for the Phase-2 Upgrade of the ATLAS Tile Calorimeter / Silverstein, Samuel (Stockholm U.) ; Valdes Santurio, Eduardo (Stockholm U.) ; Bohm, Christian (Stockholm U.) - coauthor
We present a new design for the advanced Link Daughter Board (DB) for the front-end electronics upgrade of the ATLAS hadronic Tile Calorimeter. [...]
ATL-TILECAL-PROC-2017-021. - 2018. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6059.
Search for the decay of the Higgs boson to charm quarks with the ATLAS experiment
A direct search for the Standard Model Higgs boson decaying to a pair of charm quarks is presented. [...]
ATLAS-CONF-2017-078. - 2017. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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6060.
Recent heavy-flavor results from ATLAS / Chen, Jing (University of Science and Technology of China)
The ATLAS heavy-ion program utilizes heavy-flavor hadrons to probe the hot, dense matter formed at the LHC. [...]
ATL-PHYS-PROC-2017-239. - 2017.
Original Communication (restricted to ATLAS) - Full text
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6061.
Measurement of cross sections and couplings of the Higgs Boson in bosonic decay channels with the ATLAS detector. / Belyaev, Nikita (National Research Nuclear University MEPhI)
After the discovery of the Higgs boson, the measurement of its coupling properties are of particular importance. [...]
ATL-PHYS-PROC-2017-238. - 2017. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6062.
Radiation induced effects in the ATLAS Insertable B-Layer readout chip
The ATLAS Insertable B-Layer is the innermost pixel barrel layer of the ATLAS detector installed in 2014. [...]
ATL-INDET-PUB-2017-001. - 2017. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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6063.
Modern SQL and NoSQL database technologies for the ATLAS experiment / Barberis, Dario (INFN Genova and Universita' di Genova, Dipartimento di Fisica)
Structured data storage technologies evolve very rapidly in the IT world. [...]
ATL-SOFT-PROC-2017-068. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6064.
The ATLAS Event Index: The Architecture of the Core Engine / Barberis, Dario (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Baranowski, Zbigniew (CERN) ; Favareto, Andrea (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Hrivnac, Julius (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) ; Prokoshin, Fedor (Universidad Tecnica Federico Santa Maria) ; Rybkin, Grigori (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) ; Toebbicke, Rainer (CERN Tier-0) ; Yuan, Ruijun (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay)
The global view of the ATLAS Event Index system has been presented in the 17th ACAT Conference. [...]
ATL-SOFT-PROC-2017-067. - 2017. - 4 p.
Fulltext - Original Communication (restricted to ATLAS) - Full text
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6065.
The Trigger Readout Electronics for the Phase-1 Upgrade of the ATLAS Liquid-Argon Calorimeters / Wolff, Robert (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS)
The upgrade of the Large Hadron Collider, scheduled for 2019-2020, will increase the instantaneous luminosity by more than three, hence the ATLAS trigger rates. [...]
ATL-LARG-PROC-2017-005. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6066.
Calibration and Performance of the ATLAS Tile Calorimeter During the LHC Run 2 / Cerda Alberich, Leonor (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The Tile Calorimeter (TileCal) is the hadronic sampling calorimeter of ATLAS experiment at the Large Hadron Collider (LHC). [...]
ATL-TILECAL-PROC-2017-023. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6067.
Measurement of the $t\bar{t}\gamma$ production cross section in proton--proton collisions at $\sqrt{s} = 8\;\mathrm{Te\kern -0.1em V}$ with the ATLAS detector / Ghneimat, Mazuza (University of Bonn)
The cross section of a top-quark pair produced in association with a photon is measured in proton--proton collisions at a centre-of-mass energy of $\sqrt{s} = 8\;\mathrm{Te\kern -0.1em V}$ with $20.2$ fb$^{-1}$ of data collected by the ATLAS detector at the Large Hadron Collider in 2012. [...]
ATL-PHYS-PROC-2017-253. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6068.
A High-Granularity Timing Detector for the Phase-II upgrade of the ATLAS Detector System / Agapopoulou, Christina (Orsay, LAL)
The expected increase of the particle flux at the high luminosity phase of the LHC with instantaneous luminosities up to L = 7.5 × 10^{34} cm^{−2}s^{−1} will have a severe impact on pile-up. [...]
ATL-LARG-PROC-2017-004. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6069.
SUSY (ATLAS) / Sopczak, Andre (Czech Technical University in Prague)
During the LHC Run-II data-taking period, several searches for supersymmetric particles were performed by the ATLAS collaboration. [...]
ATL-PHYS-PROC-2017-252. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6070.
Search for $t\bar{t}H$ and $tH$ production with $H\to \gamma \gamma$ at $\sqrt{s}$ = 13 TeV with the ATLAS experiment / Nitsche, Isabel (Fakultaet Physik, Technische Universitaet Dortmund, Dortmund)
The measurement of the Yukawa coupling of the top quark is one important goal of particle physics after the discovery of the Higgs boson. [...]
arXiv:1711.08211 ; ATL-PHYS-PROC-2017-251. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6071.
Highlights from ATLAS / Bellagamba, Lorenzo (Universita e INFN, Bologna)
This report presents an overview of some of the most recent results obtained by the ATLAS Collaboration using pp and heavy-ion collisions at LHC. [...]
ATL-PHYS-PROC-2017-250. - 2017. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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6072.
Top quark measurements at ATLAS / Grancagnolo, Sergio (Humboldt University Berlin)
The top quark is the heaviest known fundamental particle. [...]
ATL-PHYS-PROC-2017-249. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - IOP Open Access Article - Full text
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6073.
Constraints on an effective Lagrangian from the combined $H\to ZZ^*\to 4\ell$ and $H\to\gamma\gamma$ channels using 36.1 fb$^{-1}$ of $\sqrt{s}=$ 13 TeV $pp$ collision data collected with the ATLAS detector
Six parameters of an effective field theory are constrained using the combined $H\to\gamma\gamma$ and $H\to ZZ^*\to 4\ell$ channels, based on 36.1 fb$^{-1}$ of proton-proton collision data collected by the ATLAS experiment at the LHC at $\sqrt{s}=$ 13 TeV. [...]
ATL-PHYS-PUB-2017-018. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6074.
The Associative Memory Serial Link Processor of the ALTAS Fast TracKer Processing System / Sotiropoulou, Calliope Louisa (INFN, Pisa ; Pisa U.)
The upgraded Trigger and Data Acquisition (TDAQ) system of the ATLAS experiment at the LHC will improve the capability of the detector to select the events with the greatest scientific potential. [...]
ATL-DAQ-PROC-2017-048. - 2018. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6075.
The design and performance of the ATLAS Inner Detector trigger in high pileup collisions at 13 TeV at the Large Hadron Collider / Kilby, Callum (Department of Physics, Royal Holloway and Bedford New College) ; ATLAS Collaboration
The design and performance of the ATLAS Inner Detector (ID) trigger algorithms running online on the high level trigger (HLT) processor farm for 13 TeV LHC collision data with high pileup are discussed. [...]
ATL-DAQ-PROC-2017-047. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6076.
Performance of the ATLAS muon trigger in run 2 / Morgenstern, Marcus (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef)
Triggering on muons is a crucial ingredient to fulfill the physics program of the ATLAS experiments. [...]
ATL-DAQ-PROC-2017-046. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6077.
The ATLAS Run-2 Trigger Menu for higher luminosities: Design, Performance and Operational Aspects / Ruiz-Martinez, Aranzazu (Carleton University) ; ATLAS Collaboration
The ATLAS experiment aims at recording about 1 kHz of physics collisions, starting with an LHC design bunch crossing rate of 40 MHz. [...]
ATL-DAQ-PROC-2017-045. - 2017.
Original Communication (restricted to ATLAS) - Full text
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6078.
Searches for direct pair production of third generation squarks with the ATLAS detector / Köhler, Nicolas Maximilian (Max-Planck-Institut fuer Physik)
Naturalness arguments for weak-scale supersymmetry favour supersymmetric partners of the third generation quarks with masses not too far from those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2017-248. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6079.
Calibration and monitoring of the ATLAS Tile calorimeter / Boumediene, Djamel Eddine (Laboratoire de Physique de Clermont-Ferrand (LPC), Universite Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, France)
The ATLAS Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of the ATLAS experiment and provides important information for reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. [...]
ATL-TILECAL-PROC-2017-022. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6080.
$t\bar{t}H$ Coupling Measurement with the ATLAS Detector at the LHC / Hadef, Asma (Marseille, CPPM)
The Higgs boson was discovered on the 4th of July 2012 with a mass around 125 GeV$/c^2$ by ATLAS and CMS experiments at LHC. [...]
ATL-PHYS-PROC-2017-247. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6081.
Muon reconstruction performance of the ATLAS detector in 2016 / Marchese, Luigi (Oxford U.)
Muons are of key importance to study some of the most interesting physics topics at the LHC. [...]
ATL-PHYS-PROC-2017-246. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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6082.
Virtualization of the ATLAS software environment on a shared HPC system / Gamel, Anton Josef (Albert-Ludwigs-Universitaet Freiburg) ; Schnoor, Ulrike (Albert-Ludwigs-Universitaet Freiburg) ; Meier, Konrad (Albert-Ludwigs-Universitaet Freiburg) ; Buhrer, Felix (Albert Ludwigs Universitaet Freiburg (DE)) ; Schumacher, Markus (Albert-Ludwigs-Universitaet Freiburg)
The shared HPC cluster NEMO at the University of Freiburg has been made available to local ATLAS users through the provisioning of virtual machines incorporating the ATLAS software environment analogously to a WLCG center. [...]
ATL-SOFT-PROC-2017-070. - 2018-10-18. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - Full text
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6083.
Measurement of W and Z boson production in 5 TeV pp, p+Pb and Pb+Pb collisions with the ATLAS detector / Janus, Piotr Andrzej (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
W and Z bosons are short lived and do not interact strongly. [...]
ATL-PHYS-PROC-2017-245. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6084.
Heavy-ion Physics (ATLAS) / Przybycien, Mariusz (AGH-UST, Cracow)
The ATLAS experiment at the Large Hadron Collider has undertaken a broad physics program to probe and characterize the hot nuclear matter created in relativistic heavy-ion collisions. [...]
ATL-PHYS-PROC-2017-244. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6085.
The ATLAS Trigger system upgrade and performance in Run 2 / Shaw, Savanna Marie (School of Physics and Astronomy, University of Manchester)
The ATLAS trigger has been used very successfully for the online event selection during the first part of the LHC Run-2 in 2015/16 at a centre-of-mass energy of 13 TeV. [...]
ATL-DAQ-PROC-2017-044. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6086.
Commissioning and Validation of the ATLAS Level-1 Topological Trigger in Run 2 / Zheng, Daniel (University of Pittsburgh) ; Hong, Tae Min (University of Pittsburgh) ; Aukerman, Andrew Todd (University of Pittsburgh)
The ATLAS experiment has introduced and recently commissioned a completely new hardware sub-system of its first-level trigger: the topological processor (L1Topo). [...]
ATL-DAQ-PROC-2017-049. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6087.
Top quark mass in ATLAS / Pearson, Benjamin (Max-Planck-Institut fuer Physik)
ATLAS has made several measurements of the top quark mass using proton-proton collision data recorded in 2012 at the LHC with a centre-of-mass energy of 8 TeV. [...]
ATL-PHYS-PROC-2017-259 ; arXiv:1711.09763. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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6088.
The LUCID-2 luminometer / Hedberg, Vincent (Lunds universitet, Fysiska institutionen)
The LUCID-2 detector is the main online and offline luminosity monitor of the ATLAS experiment. [...]
ATL-FWD-PROC-2017-004. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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6089.
Indexing of ATLAS data management and analysis system metadata / Grigoryeva, Maria (CERN Tier-0) ; Golosova, Marina (CERN Tier-0) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Borodin, Mikhail (University of Iowa) ; Alekseev, Aleksandr (CERN Tier-0) ; Tkachenko, Igor (National Research Centre Kurchatov Institute (RU))
This manuscript is devoted to the development of the system to manage metainformation of modern HENP experiments. [...]
ATL-SOFT-PROC-2017-073. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6090.
Measurements of t$\bar{\text{t}}$ differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at $\sqrt{s} = 13$ TeV using the ATLAS detector / Jacka, Petr (Academy of Sciences of the Czech Republic, Institute of Physics)
Measurements are made of differential cross-sections of highly boosted pair-produced top quarks as a function of top-quark and $t\bar{t}$ system kinematic observables using proton--proton collisions at a center-of-mass energy of $\sqrt{s} = 13$ TeV. [...]
ATL-PHYS-PROC-2017-258. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6091.
Latest ATLAS measurements of top quark properties using ${\rm t{\bar t}}$ events / Derue, Frederic (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), UPMC, Universite Paris-Diderot, CNRS/IN2P3)
Recent measurements of top quark properties with ${\rm t{\bar t}}$ events collected by the ATLAS experiment in proton-proton collisions at the center of mass energy $\sqrt{s}=8$ and $13$ TeV, are presented. [...]
ATL-PHYS-PROC-2017-257 ; arXiv:1711.08778. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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6092.
Muon Reconstruction Performance of the ATLAS Detector at the LHC at $\sqrt{s}= 13$ TeV / Zhang, Liqing (University of Science and Technology of China)
Muon reconstruction and identification plays a crucial rule in most of the physics studies at the ATLAS experiment. [...]
ATL-PHYS-PROC-2017-256. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6093.
Inclusive $t\bar{t}$ cross-section measurements at LHC / Hawkings, Richard John (European Laboratory for Particle Physics, CERN)
A review of ATLAS and CMS measurements of the inclusive $t\bar{t}$ production cross-section in $pp$ collisions at $\sqrt{s}=$7-13 TeV is presented, focusing on the most precise results in the dilepton and lepton+jets final states. [...]
ATL-PHYS-PROC-2017-255. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6094.
Single top-quark production cross-section using the ATLAS detector at the LHC / Cioara, Irina Antonela (Bonn U.)
Measurements of single top-quark production in proton–proton collisions are presented based on the 8 TeV and 13 TeV ATLAS datasets. [...]
ATL-PHYS-PROC-2017-254. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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6095.
High performance computing system in the framework of the Higgs boson studies / Belyaev, Nikita (National Research Nuclear University MEPhI) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Krasnopevtsev, Dimitrii (National Research Nuclear University MEPhI) ; Velikhov, Vasily (NRC Kurchatov Institute Tier site) ; Konoplich, Rostislav (Department of Physics, New York University) ; Prokofiev, Kirill (Hong Kong University of Science and Technology)
The Higgs boson physics is one of the most important and promising fields of study in modern High Energy Physics. [...]
ATL-SOFT-PROC-2017-072. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6096.
Predictive analytics as an essential mechanism for situational awareness at the ATLAS Production System / Titov, Mikhail (NRC Kurchatov Institute Tier site) ; Gubin, Maksim (CERN Tier-0) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Barreiro Megino, Fernando Harald (The University of Texas at Arlington) ; Borodin, Mikhail (University of Iowa) ; Golubkov, Dmitry (State Research Center Institute for High Energy Physics (Protvino), NRC KI)
The workflow management process should be under the control of the certain service that is able to forecast the processing time dynamically according to the status of the processing environment and workflow itself, and to react immediately on any abnormal behaviour of the execution process. [...]
ATL-SOFT-PROC-2017-071. - 2017. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6097.
The LUCID-2 detector / Sbrizzi, Antonio (Universita e INFN, Bologna)
Contribution to the proceedings of the 2017 ICNFP conference in Creta
ATL-FWD-PROC-2017-005. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6098.
Searches for Supersymmetry with the ATLAS detector / Ronzani, Manfredi (Department of Physics, New York University)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2017-263. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6099.
Search for additional Higgs bosons / Meyer, Jochen (Department of Physics, Technion)
The discovery of a Higgs boson with the mass of about 125 GeV completed the particle content predicted by the Standard Model. [...]
ATL-PHYS-PROC-2017-262. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6100.
Measurements of Cross Sections and Couplings of the Higgs Boson Using the ATLAS Detector / Stugu, Bjarne (University of Bergen)
Measurements of cross sections and couplings of the Higgs boson using the ATLAS detector at CERN's LHC are presented. [...]
ATL-PHYS-PROC-2017-261. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6101.
ATLAS ITk Strip Detector for High-Luminosity LHC / Kroll, Jiri (Prague, Inst. Phys.)
The ATLAS experiment is currently preparing for an upgrade of the tracking system in the course of the High-Luminosity LHC that is scheduled for 2026. [...]
ATL-ITK-PROC-2017-013. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6102.
Measurements on hadron production in proton-proton collisions with the ATLAS detector / Zenis, Tibor (Comenius U.)
Studies of correlated hadron production are an important source of information about the early stages of hadron formation, not yet understood from first principles. [...]
ATL-PHYS-PROC-2017-260. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Open Access Article - Full text
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6103.
Top pair and single top production in ATLAS / Fabbri, Federica (Universita e INFN, Bologna)
Measurements of inclusive and differential top-quark production cross sections in proton-proton collisions at a center of mass energy of 8 TeV and 13 TeV at the Large Hadron Collider using the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2017-268. - 2017. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6104.
Hunting New Physics with ATLAS / Mitsou, Vasiliki A. (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
Highlights from recent new physics searches with the ATLAS detector at the CERN LHC are presented in this paper. [...]
ATL-PHYS-PROC-2017-267. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6105.
Searches for Supersymmetry / Ventura, Andrea (INFN Lecce and Universita del Salento, Dipartimento di Matematica e Fisica)
New and recent results on Supersymmetry searches are shown for the ATLAS and the CMS experiments. [...]
ATL-PHYS-PROC-2017-266. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6106.
Electroweak precision measurements in ATLAS / Soldatov, Evgeny (National Research Nuclear University MEPhI)
The ATLAS collaboration has performed detailed integrated and differential cross-section measurements of heavy bosons and di-boson pairs production in fully-leptonic and semi-leptonic final states at the centre-of-mass energies of 8 and 13 TeV for pp collisions provided by the LHC. [...]
ATL-PHYS-PROC-2017-265. - 2017. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6107.
Measurement of the Higgs boson mass in the $H\rightarrow ZZ^*\rightarrow 4\ell$ and $H\rightarrow\gamma\gamma$ channels with $\sqrt{s}=13\,$TeV $pp$ collisions using the ATLAS detector / Bruscino, Nello (University of Pittsburgh)
The mass of the Higgs boson is measured in the $H\rightarrow ZZ^*\rightarrow 4\ell$ and in the $H\rightarrow\gamma\gamma$ decay channels with $36.1\,$fb$^{-1}$ of proton-proton collision data from the Large Hadron Collider at a center-of-mass energy of $\sqrt{s}=13$ TeV recorded by the ATLAS detector in 2015 and 2016. [...]
ATL-PHYS-PROC-2017-264. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6108.
The ATLAS Muon to Central Trigger Processor Interface Upgrade for the Run 3 of the LHC / ATLAS Collaboration
To cope with the higher luminosity and physics cross-sections for the third run of the Large Hadron Collider (LHC) and beyond, the Trigger and Data Acquisition (TDAQ) system of ATLAS experiment at CERN is being upgraded. [...]
ATL-DAQ-PROC-2017-050. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6109.
Trigger-object Level Analysis with the ATLAS detector at the Large Hadron Collider: summary and perspectives
This document summarizes the motivations, challenges and perspectives on the Trigger-object Level Analysis (TLA) in ATLAS, focusing on the case where the objects are hadronic jets. [...]
ATL-DAQ-PUB-2017-003. - 2017. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6110.
Global heterogeneous resource harvesting: the next-generation PanDA Pilot for ATLAS / Nilsson, Paul (Brookhaven National Laboratory (BNL)) ; Guan, Wen (Department of Physics, University of Wisconsin) ; Anisenkov, Alexey (Budker Institute of Nuclear Physics, Siberian Branch of Russian Academy of Sciences) ; Lassnig, Mario (European Laboratory for Particle Physics, CERN) ; Oleynik, Danila (Joint Institute for Nuclear Research) ; Drizhuk, Daniil (NRC Kurchatov Institute Tier site)
The Production and Distributed Analysis system (PanDA), used for workload management in the ATLAS Experiment for over a decade, has in recent years expanded its reach to diverse new resource types such as HPCs, and innovative new workflows such as the Event Service. [...]
ATL-SOFT-PROC-2017-074. - 2018-10-18. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6111.
Measurements of the Vector boson production with the ATLAS Detector / Kordas, Kostas (Aristotle University of Thessalon¡ki (GR))
The electroweak sector of the Standard Model can be tested by precision measurements of its fundamental parameters, such as the W boson mass or the electroweak mixing angle. [...]
ATL-PHYS-PROC-2017-269. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6112.
Prospects for the measurement of the W-boson transverse momentum with a low pileup data sample at $\sqrt{s} = 13$ TeV with the ATLAS detector
The imperfect knowledge of the $W$-boson transverse momentum ($p_T^W$) distribution is likely to be the limiting factor for future measurements of the $W$-boson mass at the Large Hadron Collider. [...]
ATL-PHYS-PUB-2017-021. - 2017. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6113.
Analysis Preservation and Systematic Reinterpretation within the ATLAS experiment / Heinrich, Lukas (Department of Physics, New York University) ; Cranmer, Kyle (Department of Physics, New York University)
The LHC data analysis software used in order to derive and publish experimental results is an important asset that is necessary to preserve in order to fully exploit the scientific potential of a given measurement. [...]
ATL-SOFT-PROC-2017-075. - 2017. - 5 p.
Fulltext - Original Communication (restricted to ATLAS) - Full text - Full text
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6114.
A High-Granularity Timing Detector for the Phase-II upgrade of the ATLAS Calorimeter system: Detector concept description and first beam test results / Lacour, Didier (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), UPMC, Universite Paris-Diderot, CNRS/IN2P3)
The expected increase of the particle flux at the high luminosity phase of the LHC(HL-LHC) with instantaneous luminosities up to 7.5·10$^{34}$cm$^{−2}$s$^{−1}$ will have a severe impact on the ATLAS detector performance. [...]
ATL-LARG-PROC-2017-006. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6115.
Impact of Alternative Inputs and Grooming Methods on Large-R Jet Reconstruction in ATLAS
During Run 1 of the LHC, the optimal reconstruction algorithm for large-$R$ jets in ATLAS, characterized in terms of the ability to discriminate signal from background and robust reconstruction in the presence of pileup, was found to be anti-$k_{t}$ jets with a radius parameter of 1.0, formed from locally calibrated topological calorimeter cell clusters and groomed with the trimming algorithm to remove contributions from pileup and underlying event. [...]
ATL-PHYS-PUB-2017-020. - 2017.
Original Communication (restricted to ATLAS) - Full text
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6116.
Search for direct pair production of higgsinos by the reinterpretation of the disappearing track analysis with 36.1 fb$^{-1}$ of $\sqrt{s}=13$ TeV data collected with the ATLAS experiment
This note presents a search for direct production of higgsinos in which a chargino is nearly mass-degenerate with a stable neutralino. [...]
ATL-PHYS-PUB-2017-019. - 2017. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6117.
Search for $W' \rightarrow tb$ in the hadronic final state with the ATLAS Detector in $\sqrt{s} = 13$ TeV pp collisions
A search for a $W'$ boson in the $W' \rightarrow t\bar{b} \rightarrow q\bar{q}' b\bar{b}$ final state is presented using \lumi\ of 13~\TeV\ proton--proton collision data collected by the ATLAS detector at the Large Hadron Collider in 2015 and 2016. [...]
ATLAS-CONF-2017-082. - 2017.
Original Communication (restricted to ATLAS) - Full text
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6118.
Search for pair production of higgsinos in final states with at least 3 $b$-tagged jets using the ATLAS detector in $\sqrt{s} = 13$ TeV $pp$ collisions
A search for pair production of the supersymmetric partners of the Higgs boson (higgsinos $\tilde{H}$ ) in gauge-mediated scenarios is reported. [...]
ATLAS-CONF-2017-081. - 2017.
Original Communication (restricted to ATLAS) - Full text
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6119.
Search for photonic signatures of gauge-mediated supersymmetry in 13 TeV $pp$ collisions with the ATLAS detector
A search is presented for photonic signatures motivated by generalized models of gauge-mediated supersymmetry breaking. [...]
ATLAS-CONF-2017-080. - 2017.
Original Communication (restricted to ATLAS) - Full text
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6120.
Upgrade of the ATLAS hadronic Tile Calorimeter for the High luminosity LHC / Rodriguez Bosca, Sergi (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The Tile Calorimeter is the hadronic calorimeter covering the central region of the ATLAS detector at the Large Hadron Collider. [...]
ATL-TILECAL-PROC-2017-024. - 2017. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6121.
Search for top squarks decaying to tau sleptons in $pp$ collisions at $\sqrt s$ = 13 TeV with the ATLAS detector
A search for direct pair production of top squarks in final states with two tau leptons, $b$-jets, and missing transverse momentum is presented, based on 36.1 fb$^{-1}$ of proton$-$proton collision data recorded at $\sqrt{s}$ = 13 TeV with the ATLAS detector at the Large Hadron Collider in 2015 and 2016. [...]
ATLAS-CONF-2017-079. - 2017. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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6122.
Modeling Radiation Damage Effects in 3D Pixel Digitization for the ATLAS Detector / Wallangen, Veronica (Stockholm University)
Silicon Pixel detectors are at the core of the current and planned upgrade of the ATLAS detector. [...]
ATL-INDET-PROC-2017-005. - 2017. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6123.
Studies on the impact of an extended Inner Detector tracker and a forward muon tagger on $W^{\pm}W^{\pm}$ scattering in $pp$ collisions at the High-Luminosity LHC with the ATLAS experiment
The impact of an extended silicon tracker and a forward muon tagger on the measurement of the \ssWW vector boson scattering process is evaluated in proton-proton collisions at $\sqrt{s}$ = 14 TeV at the High-Luminosity Large Hadron Collider. [...]
ATL-PHYS-PUB-2017-023. - 2017. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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6124.
Electron and photon reconstruction and performance in ATLAS using a dynamical, topological cell clustering-based approach
The electron and photon reconstruction in ATLAS has moved towards the use of a dynamical, topo- logical cell-based approach for cluster building, owing to advancements in the calibration procedure which allow for such a method to be applied. [...]
ATL-PHYS-PUB-2017-022. - 2017. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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6125.
Search for Beyond SM Higgs Bosons / Tsuno, Soshi (KEK, High Energy Accelerator Research Organization)
This article summarizes the latest results in the context of the searches of the Higgs bosons beyond the Standard Model obtained with ATLAS and CMS experiments in summer 2017..
ATL-PHYS-PROC-2017-271. - 2017. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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6126.
Searches for Supersymmetry in ATLAS / Cervelli, Alberto (Universita e INFN, Bologna)
After the discovery of the Higgs boson in ATLAS first run of data taking, and due to the lack of observation of new physics, searches for new particles such as Supersymmetric states are one of the main area of interest for the general purpose detectors operating at LHC [...]
ATL-PHYS-PROC-2017-270. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6127.
Determination of Top-Quark Properties / Yamazaki, Yuji (Kobe University)
A review on top-quark properties measured by the ATLAS, CMS and LHCb collaborations is presented, including the mass of the top quark, coupling, production cross sections and decay properties..
ATL-PHYS-PROC-2017-272. - 2020. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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6128.
ATLAS & Google — "Data Ocean" R&D Project
ATLAS is facing several challenges with respect to their computing requirements for LHC Run-3 (2020-2023) and HL-LHC runs (2025-2034). [...]
ATL-SOFT-PUB-2017-002. - 2017.
Original Communication (restricted to ATLAS) - Full text
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6129.
Calibration Techniques and Strategies for the Present and Future LHC Electromagnetic Calorimeters / Aleksa, Martin (CERN)
This document summarizes an invited talk on ``Calibration Techniques and Strategies for the Present and Future LHC Electromagnetic Calorimeters'' at the Calorimetry for the High Energy Frontier (CHEF) Conference in Lyon, France in October 2017. [...]
ATL-LARG-PROC-2018-001. - 2018. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6130.
The Phase-2 Electronics Upgrade of the ATLAS Liquid Argon Calorimeter System / Vachon, Brigitte (McGill University, Department of Physics)
The LHC high-luminosity upgrade in 2024-2026 requires the associated detectors to operate at luminosities about 5-7 times larger than assumed in their original design. [...]
ATL-LARG-PROC-2018-002. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6131.
Searches for direct pair production of third generation squarks with the ATLAS detector / Meloni, Federico (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics)
This document summarises recent ATLAS results for searches for third generation squarks using 36.1 fb$^{-1}$ of LHC proton-proton collision data collected at $\sqrt{s}=13$ TeV. [...]
ATL-PHYS-PROC-2018-003. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6132.
Precision measurements with an electroweak boson in the final state with the ATLAS detector / Lang, Valerie Susanne (DESY, Hamburg and Zeuthen)
Measurements of the Drell-Yan production of $W$ and $Z/\gamma^*$ bosons at the LHC provide a benchmark of our understanding of perturbative QCD and probe the proton structure in a unique way. [...]
ATL-PHYS-PROC-2018-002. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6133.
Jets in heavy ion collisions with the ATLAS detector / Santos, Helena (LIP, Lisbon)
Jets constitute a golden probe to study the quark gluon plasma produced in heavy ion collisions at the LHC. [...]
ATL-PHYS-PROC-2018-001. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6134.
Prototype board development for the validation of the VMM ASICs for the New Small Wheel ATLAS upgrade project / Gkountoumis, Panagiotis (National Technical University of Athens) ; Alexopoulos, Theodoros (National Technical University of Athens) - author
The VMM is a custom Application Specific Integrated Circuit (ASIC) which was designed to be used in the frontend readout electronics of both micromegas (MM) and small Thin Gap Chambers (sTGC) detectors of the New Small Wheel (NSW) Phase-I upgrade project of the ATLAS experiment. [...]
ATL-MUON-PROC-2018-001. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6135.
Top quark mass and properties measurements with the ATLAS detector / Moreno Llacer, Maria (European Laboratory for Particle Physics, CERN)
The top quark is the heaviest elementary particle and unique among the known quarks since it decays before forming hadronic bound states. [...]
ATL-PHYS-PROC-2018-007. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6136.
Measurement of the production cross-section of a single top-quark in association with a $Z$ boson at 13 TeV with the ATLAS detector / Cioara, Irina Antonela (University of Bonn (DE))
The production of a top quark in association with a $Z$ boson is studied in the trilepton channel. [...]
ATL-PHYS-PROC-2018-006. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6137.
Measurement of the inclusive $t\bar{t}$ cross-section in the lepton+jets channel in $pp$ collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector / Bannoura, Arwa A E (Bergische Universitaet Wuppertal)
The inclusive $t\bar{t}$ production cross-section is measured in the lepton+jets channel using 20.2 fb$^{-1}$ of proton--proton collision data at a centre-of-mass energy of 8 TeV recorded with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2018-005 ; arXiv:1801.05190. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Preprint
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6138.
Determination of the strong coupling constant $\alpha_s$ in multijet production with the ATLAS detector at the LHC. / Llorente Merino, Javier (Institute of High Energy Physics, Chinese Academy of Sciences)
A measurement of transverse energy-energy correlations and its asymmetry in $pp$ collisions recorded by the ATLAS detector at the LHC at $\sqrt{s} = 8$ TeV is presented. [...]
ATL-PHYS-PROC-2018-004. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6139.
Assembly and Electrical Tests of the First Full-size Forward Module for the ATLAS ITk Strip Detector / Garcia-Argos, Carlos (Albert-Ludwigs-Universitaet Freiburg)
The ATLAS experiment will replace the existing Inner Detector by an all-silicon detector named the Inner Tracker (ITk) for the High Luminosity LHC upgrades. [...]
ATL-ITK-PROC-2018-001. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6140.
Search for Heavy Higgs Bosons with the ATLAS Detector / Schaarschmidt, Jana (Department of Physics, University of Washington, Seattle)
The ATLAS experiment at the Large Hadron Collider performed searches for heavy Higgs bosons, whose presence would establish the existance of new physics. [...]
ATL-PHYS-PROC-2018-008. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6141.
A High-Granularity Timing Detector (HGTD) in ATLAS : Performance at the HL-LHC / Allaire, Corentin (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay)
The large increase of pileup is one of the main experimental challenges for the HL-LHC physics program. [...]
ATL-LARG-PROC-2018-003. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6142.
Overview of ATLAS Heavy Flavor Measurements / Seidel, Sally (New Mexico U.)
The ATLAS Experiment presents four recent measurements in the field of B-Physics using data recorded at center of mass energy 8 TeV at the LHC. [...]
ATL-PHYS-PROC-2018-012. - 2018. - 12 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6143.
Annealing Studies of irradiated p-type Sensors Designed for the Upgrade of ATLAS Phase-II Strip Tracker / Wiik-Fuchs, Liv Antje Mari (Freiburg U.) ; Diehl, L. (Freiburg U.) ; Mori, R. (Freiburg U.) ; Hauser, M. (Freiburg U.) ; Jakobs, K. (Freiburg U.) ; Kühn, S. (Freiburg U.) ; Parzefall, U. (Freiburg U.) ; Affolder, A.A. (UC, Santa Cruz, Inst. Part. Phys.) ; Fadeyev, V. (UC, Santa Cruz, Inst. Part. Phys.) ; García, C. (Valencia U., IFIC) et al.
The upgrade for the High Luminosity LHC in 2025 will challenge the silicon strip detector performance with high fluence and long operation time. [...]
ATL-ITK-PROC-2018-007. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6144.
Modeling Radiation Damage Effects in 3D Pixel Digitization for the ATLAS Detector / Giugliarelli, Gilberto (INFN Gruppo Collegato di Udine and Universita' di Udine, Dipartimento di Chimica, Fisica e Ambiente)
Silicon Pixel detectors are at the core of the current and planned upgrade of the ATLAS experiment. [...]
ATL-INDET-PROC-2018-001. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6145.
Testbeam evaluation of silicon strip modules for ATLAS Phase - II Strip Tracker Upgrade / ATLAS Collaboration
The planned HL-LHC (High Luminosity LHC) is being designed to maximise the physics potential of the LHC with 10 years of operation at instantaneous luminosities of \mbox{$7.5\times10^{34}\;\mathrm{cm}^{-2}\mathrm{s}^{-1}$}. [...]
ATL-ITK-PROC-2018-006. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6146.
Testbeam Studies on Pick-Up in Sensors with Embedded Pitch Adapters / ATLAS Collaboration
Embedded pitch adapters are an alternative solution to external pitch adapters widely used to facilitate the wire-bonding step when connecting silicon strip sensors and readout electronics of different pitch. [...]
ATL-ITK-PROC-2018-005. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6147.
Studying signal collection in the punch-through protection area of a silicon micro-strip sensor using a micro-focused X-ray beam / Poley, Anne-luise (DESY, Hamburg and Zeuthen) ; Bates, Richard (University of Glasgow, SUPA - School of Physics and Astronomy) ; Bloch, Ingo (DESY, Hamburg and Zeuthen) ; Blue, Andrew (University of Glasgow, SUPA - School of Physics and Astronomy) ; Fadeyev, Vitaliy (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) ; Meng, Lingxin (University of Liverpool) ; Rehnisch, Laura (Humboldt University Berlin) ; Stegler, Martin (DESY, Hamburg and Zeuthen) ; Unno, Yoshinobu (KEK, High Energy Accelerator Research Organization)
For the Phase-II Upgrade of the ATLAS detector, a new, all-silicon tracker will be constructed in order to cope with the increased track density and radiation level of the High-Luminosity Large Hadron Collider. [...]
ATL-ITK-PROC-2018-004. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6148.
Proceeding Paper for HSTD11 Conference about Luminosity Measurement by Pixel-Cluster-Counting / Liu, Peilian (Lawrence Berkeley National Laboratory and University of California, Berkeley)
The Insertable B-Layer (IBL) is the innermost layer of the ATLAS tracking system. [...]
ATL-DAPR-PROC-2018-001. - 2018. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6149.
Selected Results from the ATLAS Experiment on its 25th Anniversary / Djama, Fares (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS)
The Lomonosov Conference and the ATLAS Collaboration celebrated their 25th anniversaries at a few week interval. [...]
ATL-PHYS-PROC-2018-011. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6150.
The Phase-2 ATLAS ITk Pixel Upgrade / Rossi, Leonardo Paolo (INFN Genova and Universita' di Genova, Dipartimento di Fisica)
The upgrade of the ATLAS experiment for the operation at the High Luminosity Large Hadron Collider requires a new and more performant inner tracker, the ITk. [...]
ATL-ITK-PROC-2018-003. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6151.
Constraints on the Parton Density Functions of the Proton by Measurements with the ATLAS Detector / Sutton, Mark (Sussex U.)
Parton distribution functions (PDFs) are crucial ingredients for measurements at hadron colliders, since they describe the initial states and therefore critically impact the precision of cross section predictions for observables. [...]
ATL-PHYS-PROC-2018-010. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6152.
Construction of the new silicon microstrips tracker for the Phase-II ATLAS detector / Liang, Zhijun (Beijing, Inst. High Energy Phys.)
The inner detector of the present ATLAS detector has been designed and developed to function in the environment of the present Large Hadron Collider (LHC). [...]
arXiv:1804.10771 ; ATL-ITK-PROC-2018-002. - 2019-04-21. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6153.
Soft QCD measurements at LHC / Tasevsky, Marek (Academy of Sciences of the Czech Republic, Institute of Physics)
Results from recent soft QCD measurements by LHC experiments ALICE, ATLAS, CMS, LHCb, LHCf and TOTEM are reported. [...]
ATL-PHYS-PROC-2018-009. - 2018. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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6154.
Measurement of the SM Higgs boson mass in the diphoton and $4 \ell$ decay channels using the ATLAS detector / Potamianos, Karolos (DESY)
One of the fundamental properties of the Higgs boson, its mass, is measured by way of studying the invariant mass of the $4\ell$ and diphoton decay channels with about 36~fb$^{-1}$ of data collected by the ATLAS experiment at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2018-013. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6155.
Signals from fluorescent materials on the surface of silicon micro-strip sensors / Sperlich, Dennis (Humboldt University Berlin) ; Poley, Anne-luise (DESY, Hamburg and Zeuthen) ; Bloch, Ingo (DESY, Hamburg and Zeuthen) ; Blue, Andrew (University of Glasgow, SUPA - School of Physics and Astronomy) ; Buttar, Craig (University of Glasgow, SUPA - School of Physics and Astronomy) ; Fadeyev, Vitaliy (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) ; Gray, Calum (University of Glasgow, SUPA - School of Physics and Astronomy) ; Lacker, Heiko (Humboldt University Berlin) ; Rehnisch, Laura (Humboldt University Berlin) ; Stegler, Martin (DESY, Hamburg and Zeuthen)
For the High-Luminosity Upgrade of the Large Hadron Collider at CERN, the ATLAS Inner Detector will be replaced with a new, all-silicon tracker (ITk). [...]
ATL-ITK-PROC-2018-008. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6156.
First bulk and surface results for the ATLAS ITk Strip stereo annulus sensors / ATLAS Collaboration
A novel microstrip sensor geometry, the stereo annulus, has been developed for use in the end-cap of the ATLAS experiment's strip tracker upgrade at the HL-LHC. [...]
ATL-ITK-PROC-2018-009. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6157.
Operational Experience and Performance with the ATLAS Pixel detector / Martin, Christopher Blake (Ohio State University)
The tracking performance of the ATLAS detector relies critically on its 4-layer Pixel Detector, that has undergone significant hardware and software upgrades to meet the challenges imposed by the higher collision energy, pileup and luminosity that are being delivered by the Large Hadron Collider, with record breaking instantaneous luminosities of $1.3\times10^{34}\text{cm}^{{-2}}\text{s}^{{-1}}$ recently surpassed. [...]
ATL-INDET-PROC-2018-002. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6158.
Investigation of systematic uncertainties on the measurement of the top-quark mass using lepton transverse momenta
This study investigates the impact of systematic uncertainties on a top-quark mass ($m_\text{top}$) measurement in the lepton+jets channel with the ATLAS experiment at the LHC. [...]
ATL-PHYS-PUB-2018-001. - 2018. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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6159.
Electroweak probes with ATLAS / Milov, Alexander (Department of Particle Physics, The Weizmann Institute of Science)
Measuring electroweak bosons in relativistic heavy ion collisions at high energy provide an opportunity to understand temporal evolution of the quark-gluon plasma created in such collisions by constraining the initial state of the interaction. [...]
arXiv:1802.06541 ; ATL-PHYS-PROC-2018-014. - SISSA, 2018-02-12. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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6160.
Study of n-on-p sensors breakdown in presence of dielectrics placed on top surface / Helling, Cole Michael (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) ; Poley, Anne-luise (DESY, Hamburg and Zeuthen) ; Affolder, Tony (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) ; Fadeyev, Vitaliy (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) ; Galloway, Zachary Lev (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) ; Gignac, Matthew (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) ; Unno, Yoshinobu (KEK, High Energy Accelerator Research Organization)
The ATLAS Upgrade strip module design has readout flex circuits glued directly on top of the sensors’ active area to facilitate the assembly process and minimize the radiation length. [...]
ATL-ITK-PROC-2018-011. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6161.
Design of the first full size ATLAS ITk Strip sensor for the endcap region / Lacasta, Carlos (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The ATLAS collaboration is designing the full silicon tracker (ITk) that will operate in the HL-LHC replacing the current design. [...]
ATL-ITK-PROC-2018-010. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6162.
Measurement of $b$-tagging Efficiency of $c$-jets in $t\bar{t}$ Events Using a Likelihood Approach with the ATLAS Detector
A new technique is presented to measure the rate at which charm jets are tagged as $b$-jets based on a data sample of single lepton $t\bar{t}$ events, where one of the $W$-bosons decays leptonically and the other decays to a $c$- and $s$-quark, or other quark pair combinations. [...]
ATLAS-CONF-2018-001. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6163.
Measurement of charge collection in irradiated miniature sensors for the upgrade of ATLAS Phase-II Strip tracker / Cindro, Vladimir (Jozef Stefan Institute)
Miniature sensors with outer dimension of 10 mm x 10 mm were produced together with full size sensors for the innermost ring (R0) of the end-cap part in the upgraded ATLAS inner tracker (ITk). [...]
ATL-ITK-PROC-2018-012. - 2018. - 17 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6164.
Measurement of the $t\bar{t}\gamma$ production cross section in proton-proton collisions at $\sqrt{s} = 8~\mathrm{TeV}$ with the ATLAS detector / Ghasemi, Sara (Department Physik, Universitaet Siegen)
The cross-section of top-quark pair production in association with a photon in proton-proton collisions at a center of mass energy of $\sqrt{s} = 8~\mathrm{TeV}$ is measured. [...]
ATL-PHYS-PROC-2018-017. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6165.
Review of Current Standard Model Results in ATLAS / Brandt, Gerhard (Bergische Universitaet Wuppertal)
This talk highlights results selected from the Standard Model research programme of the ATLAS Collaboration at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2018-016. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6166.
Future Plans of the ATLAS Collaboration for the HL-LHC / Hristova, Ivana (Humboldt University Berlin)
These proceedings report the current plans to upgrade the ATLAS detector at CERN for the High Luminosity LHC (HL-LHC). [...]
ATL-PHYS-PROC-2018-015. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6167.
Training and validation of the ATLAS pixel clustering neural networks
The high centre-of-mass energy of the LHC gives rise to dense environments, such as the core of high-pT jets, in which the charge clusters left by ionising particles in the silicon sensors of the pixel detector can merge, compromising the tracking and vertexing efficiency. [...]
ATL-PHYS-PUB-2018-002. - 2018. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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6168.
Top quark differential cross-section measurement with the ATLAS detector / Scornajenghi, Matteo (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
The most recent results on top quark pairs and single top quark differential cross-sections measurements in proton-proton (pp) collisions with the ATLAS detector at the Large Hadron Collider (LHC) at $\sqrt{s}\,=\,$8 and 13~TeV are presented. [...]
ATL-PHYS-PROC-2018-018. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6169.
Measurement of gluon fusion and vector boson fusion Higgs boson production cross-sections in the $H \to WW^{*} \to e\nu\mu\nu$ decay channel in pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
The Higgs boson production cross-sections in proton-proton collisions are measured in the $H\rightarrow WW^{\ast}\rightarrow e\nu\mu\nu$ decay channel. [...]
ATLAS-CONF-2018-004. - 2018. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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6170.
Reinterpretation of searches for supersymmetry in models with variable $R$-parity-violating coupling strength and long-lived $R$-hadrons
A selection of ATLAS searches for supersymmetry (SUSY), optimized for $R$-parity-conserving and $R$-parity-violating (RPV) models, are reinterpreted in SUSY models with variable RPV-coupling strength. [...]
ATLAS-CONF-2018-003. - 2018. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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6171.
Combined measurement of differential and inclusive total cross sections in the $H \rightarrow \gamma \gamma$ and the $H \rightarrow ZZ^* \rightarrow 4\ell$ decay channels at $\sqrt{s} = 13$ TeV with the ATLAS detector
A combined measurement of differential and inclusive total cross sections of Higgs boson production is performed using 36.1 fb$^{-1}$ of 13 TeV proton-proton collision data produced by the LHC and recorded by the ATLAS detector in 2015 and 2016. [...]
ATLAS-CONF-2018-002. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6172.
VMM3, an ASIC for Micropattern Detectors / Iakovidis, Georgios (Brookhaven National Laboratory (BNL))
The VMM is a custom Application Specific Integrated Circuit (ASIC). [...]
ATL-MUON-PROC-2018-003. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6173.
Studies of radial distortions of the ATLAS Inner Detector
The measurement of the absolute momentum scale of charged particles provided by the ATLAS inner detector is affected by biases related to geometrical deformations which are not well constrained by the track-based alignment procedure. [...]
ATL-PHYS-PUB-2018-003. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6174.
ATLAS MPGD production status / Schioppa, Marco (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
Micromegas (MICRO MEsh GAseous Structure) chambers are Micro-Pattern Gaseous Detectors designed to provide a high spatial resolution and reasonable good time resolution in highly irradiated environments. [...]
ATL-MUON-PROC-2018-002. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6175.
Recent Standard Model results in ATLAS and CMS / Beauchemin, Pierre-Hugues (Tufts University)
A summary of ATLAS and CMS QCD and Electroweak related Standard Model measurements is presented with emphasis on recent results..
ATL-PHYS-PROC-2018-019. - 2018. - 28 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6176.
LEVEL-1 DATA DRIVER CARD - A high bandwidth radiation tolerant aggregator board for detectors / Gkountoumis, Panagiotis (National Technical University of Athens)
The Level-1 Data Driver Card (L1DDC) was designed for the needs of the future upgrades of the innermost stations of the ATLAS end-cap muon spectrometer. [...]
ATL-MUON-PROC-2018-004. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6177.
Impact of parton distribution functions on precision measurements of Drell-Yan observables
This note presents studies of the impact of precision measurements of Drell-Yan observables on the parton distribution functions and their related uncertainties. [...]
ATL-PHYS-PUB-2018-004. - 2018. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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6178.
Search for dark matter in events with a hadronically decaying vector boson and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
The search for dark matter (DM) particles produced in association with a hadronically decaying vector boson is performed with 36.1 fb$^{-1}$ of $pp$ collision data at a centre-of-mass energy of $\sqrt{s}=13$ TeV recorded by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2018-005. - 2018.
Original Communication (restricted to ATLAS) - Full text - Full text
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6179.
Performance of the ATLAS global transverse-momentum triggers at $\sqrt{s}$ = 8 TeV
The global transverse momentum triggers of the ATLAS experiment at the CERN Large Hadron Collider are designed to select collision events with non-interacting particles passing through the detector and events with a large amount of outgoing momentum transverse to the beam axis. [...]
ATL-DAQ-PUB-2018-001. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6180.
Measurement of the W-boson mass at the ATLAS experiment / Kivernyk, Oleh (LAPP, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS/IN2P3, Annecy)
We present the results of $W$-boson mass measurements with the ATLAS detector at the LHC based on the 2011 data-set recorded at a centre-of-mass energy of $\sqrt{s} =7$~\TeV, and corresponding to 4.6~fb$^{-1}$ of integrated luminosity. [...]
ATL-PHYS-PROC-2018-020. - 2018. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6181.
Calibration of light-flavour $b$-jet mistagging rates using ATLAS proton-proton collision data at $\sqrt{s}=13$~TeV
The identification of jets containing $b$-hadrons is important for the physics programme of the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2018-006. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6182.
Higgs measurements in the diboson final state / Nomidis, Ioannis (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), UPMC, Universite Paris-Diderot, CNRS/IN2P3)
This article summarises recent measurements of the Higgs boson properties using its diboson final states performed with 36.1 fb$^{−1}$ of data collected with the ATLAS detector in 13 TeV proton-proton collisions at the LHC. Two most recent results are highlighted: the measurement of the Higgs production cross-section from gluon-gluon fusion and vector-boson-fusion modes with the $H \to WW^*$ decay and also a measurement of the Higgs boson production combining the differential cross-sections of $H \to ZZ^∗$ and $H \to \gamma\gamma$ decay channels..
Geneva : CERN, 2018 - 6 p. - Published in : (2018) , pp. 129-134 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 48th Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 2 - 9 Mar 2013
53rd Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 10 - 17 Mar 2018, pp.129-134
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6183.
Physics of ridge and hard processes in proton-lead and lead-lead collisions with ATLAS / Spousta, Martin (Charles University, Faculty of Mathematics and Physics, Prague)
In this short report, we provide an overview of selected new results from the heavy-ion physics program of the ATLAS experiment with the emphasis on jet quenching, quarkonia suppression and long range azimuthal correlations..
ATL-PHYS-PROC-2018-022. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6184.
Squark and gluino searches with R-parity violating decays and long-lived particles in ATLAS / Barberis, Dario (INFN, Genoa ; Genoa U.) /ATLAS Collaboration
A selection of ATLAS searches for supersymmetry (SUSY), optimized for R-parity-conserving and R-parity-violating (RPV) models, are reinterpreted in SUSY models with variable RPV-coupling strength. Depending on the coupling strength, the lightest supersymmetric particle is stable at collider scales, is long-lived and decays away from the interaction point, or decays promptly. [...]
ATL-PHYS-PROC-2018-028.- Geneva : CERN, 2018 - 6 p. - Published in : (2018) , pp. 181-186 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 53rd Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 10 - 17 Mar 2018, pp.181-186
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6185.
Prospects for the $\cal{B}$$(B^0_{(s)} \to \mu^+ \mu^-)$ measurements with the ATLAS detector in the Run 2 and HL-LHC data campaigns
This note estimates the ATLAS detector performance in measuring the branching fractions of the very rare decays $B^0_{s} \to \mu^+ \mu^-$ and $B^0 \to \mu^+ \mu^-$ using data collected during the whole LHC Run 2 campaign and during the whole HL-LHC campaign. [...]
ATL-PHYS-PUB-2018-005. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6186.
Searches for Higgsinos and related challenges in ATLAS / Mete, Alaettin Serhan (University of California, Irvine)
Natural models of Supersymmetry (SUSY) typically favour existence of light Higgsinos. Models in which the only accessible SUSY particles are charginos and neutralinos that are predominantly Higgsinos tend to have low mass splitting between these particles. [...]
Geneva : CERN, 2018 - 6 p. - Published in : (2018) , pp. 167-172 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 53rd Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 10 - 17 Mar 2018, pp.167-172
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6187.
Buffer provisioning for large-scale data-acquisition systems / Santos, Alejandro (Kirchhoff-Institut für Physik) ; Garcia Garcia, Pedro Javier ; Froening, Holger ; Vandelli, Wainer (European Laboratory for Particle Physics, CERN)
The data acquisition system of the ATLAS experiment, a major experiment of the Large Hadron Collider (LHC) at CERN, will go through a major upgrade in the next decade. [...]
ATL-DAQ-PROC-2018-001. - 2018. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6188.
Measurement of the Higgs Boson Coupling to the Top-quark in ATLAS / Zanzi, Daniele (European Laboratory for Particle Physics, CERN)
Searches for the Higgs boson production in association with a pair of top-quarks in the $H\to\bar{b}b$ and $H\to WW^{*},\tau^{+}\tau^{-}, ZZ^{*}$ to multilepton final states with $36.1\,\mathrm{fb}^{-1}$ of $pp$ collision data at $\sqrt{s}=13$~TeV collected by the ATLAS Collaboration at the LHC are presented. The combination of these with searches in the $H\to\gamma\gamma$ and $H\to ZZ^{*}\to 4\ell$ final states is also presented. [...]
Geneva : CERN, 2018 - 6 p. - Published in : (2018) , pp. 105-110 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 53rd Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 10 - 17 Mar 2018, pp.105-110
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6189.
Recent tests of QCD with the ATLAS detector / Callea, Giuseppe (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
A summary of the recent ATLAS results in Quantum Chromodynamics is given, covering a number of areas that reflect the work of the collaboration on the Bose-Einstein correlations in multi-particle events, the inclusive jet production, the measurements of jet substructure quantities in di-jet events and the photon-photon scattering exclusive processes..
ATL-PHYS-PROC-2018-025. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6190.
Recent SUSY results in ATLAS / Mamuzic, Judita (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; ATLAS Collaboration - collaboration
Supersymmetry (SUSY) is considered one of the best motivated extensions of the Standard Model. [...]
ATL-PHYS-PROC-2018-024. - 2018. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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6191.
Higgs boson production in association with a top quark pair at $\sqrt{s}=$ 13 TeV with the ATLAS detector / Wolff, Robert (Marseille, CPPM) /ATLAS Collaboration
A search for the associated production of the Higgs boson with a top quark pair ($t\bar{t}H$) is performed in multileptonic final states using a dataset corresponding to an integrated luminosity of 36.1 fb$^{−1}$ of proton-proton collision data recorded by the ATLAS experiment at a center-of-mass energy of $\sqrt{s} =$ 13 TeV at the Large Hadron Collider. Higgs boson decays to $WW^*$, $\tau\tau$ and $ZZ^*$ are targeted. [...]
ATL-PHYS-PROC-2018-023.- Geneva : CERN, 2018 - 4 p. - Published in : (2018) , pp. 407-410 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 53rd Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 10 - 17 Mar 2018, pp.407-410
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6192.
Measurements of the top quark mass using the CMS and ATLAS detectors at the LHC / Menke, Sven (Max-Planck-Institut fuer Physik)
Measurements of the top quark mass obtained by the ATLAS and CMS experiments in proton-proton collisions at the LHC for centre-of-mass energies of $7$, $8$ and $13\,$TeV are presented. [...]
ATL-PHYS-PROC-2018-033. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6193.
Measurement of the azimuthal anisotropy of charged particle production in Xe+Xe collisions at $\sqrt{s_{\mathrm{NN}}}$=5.44~TeV with the ATLAS detector
This note describes the measurement of flow harmonics $v_2$--$v_5$ in Xe+Xe collisions at $\sqrt{s_{\mathrm{NN}}}$=5.44~TeV performed using the ATLAS detector at the LHC. [...]
ATLAS-CONF-2018-011. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6194.
Measurement of angular and momentum distributions of charged-particles within and around jets in Pb+Pb and $pp$ collisions at $\sqrt{s_{NN}}= 5.02$ TeV with ATLAS at the LHC
Studies of the fragmentation of jets into charged particles in heavy-ion collisions can help in understanding the mechanism of jet quenching by the hot and dense QCD matter created in such collisions, the quark-gluon plasma. [...]
ATLAS-CONF-2018-010. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6195.
Measurement of photon-jet $p_\mathrm{T}$ correlations in 5.02 TeV Pb+Pb and $pp$ collisions with ATLAS
Measurements of the transverse momentum balance between isolated photons and inclusive jets are presented using 0.49 nb$^{-1}$ of Pb+Pb collision data at $\sqrt{s_\mathrm{NN}}=5.02$ TeV and 25 pb$^{-1}$ of $pp$ collision data at $\sqrt{s}=5.02$ TeV recorded with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2018-009. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6196.
Soft QCD at CMS and ATLAS / Starovoitov, Pavel (Kirchhoff Inst. Phys.) /ATLAS Collaboration ; CMS Collaboration
A short overview of the recent soft QCD results from the ATLAS and CMS collaborations is presented. The inelastic cross section measurement by CMS at 13 TeV is summarised. [...]
ATL-PHYS-PROC-2018-032.- Geneva : CERN, 2018 - 4 p. - Published in : (2018) , pp. 229-232 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 53rd Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 17 - 24 Mar 2018, pp.229-232
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6197.
Measurement of $v_n$ - mean $p_T$ correlations in lead-lead collisions at $\sqrt{s_{NN}} = 5.02$ TeV with the ATLAS detector.
The lead-lead data collected by the ATLAS detector at the LHC provide new opportunities to study dynamic properties of quark-gluon plasma. [...]
ATLAS-CONF-2018-008. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6198.
Charged hadron spectra and dijet $p_{\mathrm{T}}$ correlations measured in Xe+Xe collisions at $\sqrt{s_{_\text{NN}}}=5.44$TeV with the ATLAS detector
The Large Hadron Collider recorded 3$\mu$b${}^{-1}$ of Xe+Xe data in 2017 at a nucleon-nucleon centre-of-mass energy of $\sqrt{s_{_\text{NN}}} = 5.44$TeV. [...]
ATLAS-CONF-2018-007. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6199.
Associated production of $H(b\bar b, c\bar c)$ with a W or a Z in ATLAS / Nielsen, Jason (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) /ATLAS Collaboration
Results are presented from the ATLAS searches for Standard Model Higgs bosons decaying to a $b\bar b$ or $c\bar c$ pair, produced in association with a $W$ or $Z$ boson. The analyzed data correspond to $36.1\,\text{fb}^{-1}$ of $13\,\text{TeV}$ proton-proton collision data collected in Run 2 of the Large Hadron Collider. [...]
ATL-PHYS-PROC-2018-031.- Geneva : CERN, 2018 - 6 p. - Published in : (2018) , pp. 111-116
- Published in : (2018) , pp. 111-116 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 53rd Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 10 - 17 Mar 2018, pp.111-116
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6200.
Searches for new heavy quarks in ATLAS / Nikiforou, Nikiforos (University of Texas at Austin)
A search for new heavy quarks focusing on recent vector-like quark searches with the ATLAS detector at the CERN Large Hadron Collider is presented. [...]
arXiv:1808.04695 ; ATL-PHYS-PROC-2018-030. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6201.
Searches for Electroweak Signatures of Supersymmetry at ATLAS and CMS / Khoo, Teng Jian (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve) /ATLAS Collaboration ; CMS Collaboration
Searches for strongly-produced superparticles at the Large Hadron Collider have excluded gluinos and squarks of all generations up to the TeV scale. While limited by statistics, electroweak signatures remain less thoroughly explored, and in particular the Higgsino sector has proven challenging. [...]
ATL-PHYS-PROC-2018-029.- Geneva : CERN, 2018 - 8 p. - Published in : (2018) , pp. 307-314 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 53rd Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 17 - 24 Mar 2018, pp.307-314
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6202.
Heavy Flavour Production and Properties at CMS and ATLAS / Barton, Adam Edward (Lancaster University, Department of Physics) /ATLAS Collaboration ; CMS Collaboration
Measurements of heavy flavour properties and production are an important part of the physics program of the ATLAS and CMS experiments at LHC. They can potentially expose physics beyond the standard model, constrain supersymmetry and advance hadron spectroscopy and test QCD. [...]
ATL-PHYS-PROC-2018-034.- Geneva : CERN, 2018 - 4 p. - Published in : (2018) , pp. 57-60 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 53rd Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 17 - 24 Mar 2018, pp.57-60
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6203.
Measurement of $R=0.4$ jet mass in Pb+Pb and pp collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with the ATLAS detector
The measurement of the jet structure is sensitive to the angular and momentum correlations of the jet constituents. [...]
ATLAS-CONF-2018-014. - 2018. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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6204.
Prompt and non-prompt $J/\psi$ elliptic flow in Pb+Pb collisions at $\sqrt{s_\text{NN}}=5.02$ TeV with the ATLAS detector
The elliptic flow of prompt and non-prompt $J/\psi$ was measured in the dimuon decay channel in Pb+Pb collisions at $\sqrt{s_\text{NN}}=5.02$ TeV with an integrated luminosity of 0.42 $\mathrm{nb}^{-1}$ with ATLAS at the LHC. [...]
ATLAS-CONF-2018-013. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6205.
Prospects for the measurement of the rare Higgs boson decay $H\to\mu\mu$ with 3000 fb$^{-1}$ of $pp$ collisions collected at $\sqrt{s} = 14$ TeV by the ATLAS experiment
This note presents a study of the prospects for the measurement of the rare Higgs boson decay $H\to \mu\mu$ using 3000 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}=14$ TeV recorded with the ATLAS detector at the high-luminosity LHC. [...]
ATL-PHYS-PUB-2018-006. - 2018. - 30p.
Original Communication (restricted to ATLAS) - Full text
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6206.
Correlated long-range mixed-harmonic fluctuations in $pp$, $p$+Pb and low-multiplicity Pb+Pb collisions with the ATLAS detector
Correlations of two flow harmonics $v_n$ and $v_m$ via three- and four-particle cumulants are measured in 13 TeV $pp$, 5.02 TeV $p$+Pb, and 2.76 TeV peripheral Pb+Pb collisions with the ATLAS detector at the LHC [...]
ATLAS-CONF-2018-012. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6207.
Search for a new heavy gauge boson resonance decaying into a lepton and missing transverse momentum in 79.8 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS experiment
The results of a search for a new heavy, charged $W^\prime$ boson decaying into an electron or muon and a neutrino using proton-proton collision data at a centre-of-mass energy of $\sqrt{s} = 13$ TeV are presented. [...]
ATLAS-CONF-2018-017. - 2018. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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6208.
Search for diboson resonances in hadronic final states in 79.8 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Narrow resonances decaying into $WW$, $WZ$ or $ZZ$ boson pairs are searched for in 79.8 fb$^{-1}$ of proton-proton data at a centre-of-mass energy of $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the Large Hadron Collider from 2015 to 2017. [...]
ATLAS-CONF-2018-016. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6209.
Search for dijet resonances in events with an isolated lepton using $\sqrt{s} = 13$~TeV proton--proton collision data collected by the ATLAS detector
A search for dijet resonances in events with identified leptons is performed using $79.8~{\text{fb}}^{-1}$ of $\sqrt{s}=13$ TeV proton-proton collision data recorded by the ATLAS detector. [...]
ATLAS-CONF-2018-015. - 2018. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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6210.
Electroweak physics at the LHC / Sommer, Philip (University of Sheffield)
With the large integrated luminosities recorded at the LHC and the excellent understanding of the LHC detectors, it is possible to measure electroweak observables to the highest precision. [...]
ATL-PHYS-PROC-2018-036. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6211.
Measurement of fiducial, differential and production cross sections in the $H \rightarrow \gamma \gamma$ decay channel with ATLAS / Menary, Stephen Burns (School of Physics and Astronomy, University of Manchester) /ATLAS Collaboration
Measurements of differential (in the fiducial phase space) and production mode cross sections are presented in the $H\rightarrow\gamma\gamma$ decay channel using 36~fb$^{-1}$ data collected by the ATLAS detector at a centre of mass energy of $\sqrt{s}=13$~TeV. These characterise $pp\rightarrow H\rightarrow\gamma\gamma$ processes in a variety of ways; production mode cross sections directly test the compatibility of the data with the Standard Model (SM), whereas fiducial measurements make minimal SM assumptions and can thus be re-interpreted in order to constrain new physics models which change event topologies and kinematic distributions. [...]
ATL-PHYS-PROC-2018-035.- Geneva : CERN, 2018 - 4 p. - Published in : (2018) , pp. 399-402 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 53rd Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 10 - 17 Mar 2018, pp.399-402
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6212.
Study of multiple hard-scatter processes from different $pp$ interactions in the same ATLAS event
Given the large integrated luminosity and the large average pileup in the 2017 ATLAS dataset, the probability of having two leptonically decaying Z bosons originating from separate $pp$ interactions in the same LHC bunch crossing becomes non-negligible. [...]
ATL-PHYS-PUB-2018-007. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6213.
Measurement of the Jet Vertex Charge algorithm performance for identified $b$-jets in $t\bar{t}$ events in $pp$ collisions with the ATLAS detector
The Jet Vertex Charge algorithm, developed recently within the ATLAS collaboration, discriminates between jets resulting from the hadronisation of a bottom quark or bottom antiquark. [...]
ATLAS-CONF-2018-022. - 2018. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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6214.
Measurement of the cross-section for the associated production of a top quark pair and a W or Z boson with the ATLAS detector / Heer, Sebastian (University of Bonn)
In the Standard Model the coupling of the top quark to a vector boson is predicted via the weak interaction. [...]
ATL-PHYS-PROC-2018-043. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6215.
Search for direct top squark pair production in events with a Higgs or Z boson\ETC, and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector / D'amen, Gabriele (Universita e INFN, Bologna)
A search for direct top squark pair production resulting in events with either a same-flavour opposite-sign dilepton pair with invariant mass compatible with a Z boson or a pair of jets compatible with a Standard Model (SM) Higgs boson (h) is presented. [...]
ATL-PHYS-PROC-2018-042. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6216.
Electroweak Precision Measurements with the ATLAS Detector / Zhang, Zhiqing (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay)
With the high integrated luminosities recorded at the LHC and the very good understanding of the ATLAS detector, it is possible to measure electroweak observables to the highest precision. [...]
ATL-PHYS-PROC-2018-041. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6217.
Cross-section measurements of the Higgs boson decaying to a pair of tau leptons in proton--proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A measurement of total production cross sections of the Higgs boson in proton--proton collisions is presented in the $H\rightarrow\tau\tau$ decay channel. [...]
ATLAS-CONF-2018-021. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6218.
Forecasting Network Throughput of Remote Data Access in Computing Grids / Begy, Volodimir (European Laboratory for Particle Physics, CERN) ; Barisits, Martin-Stefan (European Laboratory for Particle Physics, CERN) ; Lassnig, Mario (European Laboratory for Particle Physics, CERN)
Computing grids are key enablers of computational science. [...]
ATL-SOFT-PROC-2018-001. - 2020.
Original Communication (restricted to ATLAS) - Full text
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6219.
Search for type-III seesaw heavy leptons in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for the pair production of heavy leptons ($N^0$, $L^\pm$) as predicted by the type-III seesaw mechanism is presented. [...]
ATLAS-CONF-2018-020. - 2018. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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6220.
Measurement of the inclusive jet and dijet production with the ATLAS detector / Hubacek, Zdenek (Czech Technical University in Prague)
The production of inclusive jets and di-jets at hadron colliders provides a stringent test of perturbative QCD at the highest energies. [...]
ATL-PHYS-PROC-2018-040. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6221.
Status and prospects of measurements of exclusive and diffractive processes with the ATLAS detector / Foster, Andrew Geoffrey (University of Birmingham)
Fiducial and differential cross-sections are presented for the exclusive production of pairs of leptons and $W$ bosons, measured across a range of centre-of-mass energies by the ATLAS Collaboration at the LHC. [...]
ATL-PHYS-PROC-2018-039. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6222.
Search for exotic decays of the Higgs boson to at least one photon and missing transverse momentum using 79.8 fb$^{-1}$ of proton--proton collisions collected at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for Standard Model Higgs bosons decaying into at least one photon and missing transverse momentum is performed using 79.8 fb$^{-1}$ of proton–proton collisions collected at $\sqrt{s}=13$ TeV with the ATLAS detector, where the photon can arise from a neutralino decaying into a gravitino. [...]
ATLAS-CONF-2018-019. - 2018. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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6223.
Measurements of the Higgs boson production, fiducial and differential cross sections in the $4\ell$ decay channel at $\sqrt{s}=13~{\TeV}$ with the ATLAS detector
Inclusive, differential and production mode cross sections of the Higgs boson production in proton-proton collisions are measured in the $H \to ZZ^{*} \to 4\ell$ decay channel. [...]
ATLAS-CONF-2018-018. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6224.
Measurement of the $t\bar{t}\gamma$ production cross section in proton-proton collisions at $\sqrt{s}$ = 8 TeV with the ATLAS detector / Smith, Joshua Wyatt (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
The large centre-of-mass energy available at the Large Hadron Collider allows for the copious production of top quark pairs in association with other final state particles at high transverse momenta. [...]
ATL-PHYS-PROC-2018-038. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6225.
Search for Dark Matter in the mono-X final states (X = jets, Z, W, H) with ATLAS / Lo Sterzo, Francesco (Southern Methodist University, Department of Physics) /ATLAS Collaboration
Dark Matter searches in the ATLAS Experiment are perfomed analysing a wide number of experimental signatures. Among these, mono-X searches are a powerful tool since many models can be probed depending on the nature (jet, photon, vector boson, Higgs boson) of the Standard Model object which is used to identify and select the events. [...]
Geneva : CERN, 2018 - 6 p. - Published in : (2018) , pp. 201-206 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 53rd Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 10 - 17 Mar 2018, pp.201-206
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6226.
A new high speed, Ultrascale+ based board for the ATLAS jet calorimeter trigger system / ATLAS Collaboration
To cope with the enhanced luminosity at the Large Hadron Collider (LHC) in 2021, the ATLAS collaboration is planning a major detector upgrade. [...]
ATL-DAQ-PROC-2018-004. - 2018. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6227.
FELIX: the New Detector Interface for the ATLAS Experiment / ATLAS Collaboration
During the next major shutdown (2019-2020), the ATLAS experiment at the LHC will adopt the Front-End Link eXchange (FELIX) system as the interface between the data acquisition, detector control and TTC (Timing, Trigger and Control) systems and new or updated trigger and detector front-end electronics. [...]
ATL-DAQ-PROC-2018-003. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6228.
The LUCID-2 Detector / Sbarra, Carla (Universita e INFN, Bologna)
LUCID-2 (LUminosity Cherenkov Integrating Detector) is the upgrade of the main detector dedicated to luminosity monitoring and measurements in the ATLAS Experiment at CERN. [...]
ATL-FWD-PROC-2018-001. - 2019. - 2 p.
Original Communication (restricted to ATLAS)
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6229.
The Phase-1 Upgrade for the Level-1 Muon Barrel Trigger of the ATLAS Experiment at LHC / Izzo, Vincenzo (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli) ; Aloisio, Alberto (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli) ; Giordano, Raffaele (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli) ; Perrella, Sabrina (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli) ; Vari, Riccardo (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
The Level-1 Muon Barrel Trigger of the ATLAS Experiment at LHC makes use of Resistive Plate Chamber (RPC) detectors. [...]
ATL-DAQ-PROC-2018-002. - 2018. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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6230.
Upgrade of the ATLAS Muon System for the HL-LHC / Amelung, Christoph (Brandeis University, Department of Physics)
The muon spectrometer of the ATLAS detector will be significantly upgraded during the Phase-II upgrade in Long Shutdown 3 in order to cope with the operational conditions at the High-Luminosity LHC in Run 4 and beyond. [...]
ATL-MUON-PROC-2018-005. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6231.
DI-HIGGS RESULTS FROM THE ATLAS AND CMS EXPERIMENTS / Kagan, Michael (SLAC National Accelerator Laboratory) /ATLAS Collaboration ; CMS Collaboration
Measurements of di-Higgs production are of fundamental importance to understanding the process of electroweak symmetry breaking and the structure of the Higgs potential. While the Standard Model (SM) predicted production cross section for this process is too small to be observed by current LHC datasets, searches for this process at the ATLAS and CMS experiments can limit the SM production rate, anomalous Higgs self-couplings and Beyond the SM di-Higgs interaction vertices, and contributions to this process from new heavy resonances. [...]
Geneva : CERN, 2018 - 6 p. - Submitted to: Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 53rd Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 10 - 17 Mar 2018, pp.135-140
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6232.
ATLAS Open Data project
The current ATLAS model of Open Access to recorded and simulated data offers the opportunity to access datasets with a focus on education, training and outreach. [...]
ATL-OREACH-PUB-2018-002. - 2018. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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6233.
Trigger Menu in 2017
This document summarises the trigger menu deployed by the ATLAS experiment during 2017 data taking at proton-proton collision centre-of-mass energies of $\sqrt{s}=13$ TeV and $\sqrt{s}=5$ TeV at the LHC and describes the improvements with respect to the trigger system and menu used in 2016 data taking..
ATL-DAQ-PUB-2018-002. - 2018. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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6234.
Dark Matter searches with the ATLAS Detector / Kalderon, Charles William (Lunds universitet, Fysiska institutionen)
As evinced by multiple astrophysical measurements, a large fraction of the matter in the Universe is in the form of a dark, non-baryonic component. [...]
ATL-PHYS-PROC-2018-047. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6235.
ATLAS Tile calorimeter calibration and monitoring systems / Marjanovic, Marija (Laboratoire de Physique de Clermont-Ferrand (LPC), Universite Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, France)
The ATLAS Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2018-004. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6236.
Clock Distribution and Readout Architecture for the ATLAS Tile Calorimeter at the HL-LHC / Carrio Argos, Fernando (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The Tile Calorimeter (TileCal) is one detector of the ATLAS experiment at the Large Hadron Collider (LHC). [...]
ATL-TILECAL-PROC-2018-003. - 2018. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6237.
$E_{\text{T}}^{\text{miss}}$ performance in the ATLAS detector using 2015-2016 LHC p-p collisions
The reconstruction and calibration algorithms used to measure missing transverse momentum ($E_{\text{T}}^{\text{miss}}$) with the ATLAS detector utilise energy deposits within the calorimeter and tracks reconstructed in the inner detector and the muon spectrometer. [...]
ATLAS-CONF-2018-023. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6238.
ATLAS Tile Calorimeter Upgrades for HL-LHC / Angelidakis, Stylianos (Laboratoire de Physique de Clermont-Ferrand (LPC), Universite Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, France)
The High-Luminosity phase of the Large Hadron Collider (LHC) at CERN is expected to begin in 2026, delivering a luminosity of ~5×10^34 cm −2 s −1 , with up to 200 interactions per 25 ns bunch crossing. [...]
ATL-TILECAL-PROC-2018-002. - 2019. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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6239.
Top quark pair property measurements using the ATLAS detector at the LHC / Kluth, Stefan (Max-Planck-Institut fuer Physik)
Precise measurements of the properties of the top quark test the Standard Model (SM) and can be used to constrain new physics models. [...]
ATL-PHYS-PROC-2018-046. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6240.
Beyond Standard Model searches in B decays with ATLAS / Turchikhin, Semen (Joint Institute for Nuclear Research)
The proceeding contribution presents recent results of the ATLAS experiment at the LHC on heavy flavour measurements sensitive to possible contributions of the new physics. [...]
ATL-PHYS-PROC-2018-045. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6241.
Fast track segment finding in the Monitored Drift Tubes of the ATLAS Muon Spectrometer using a Legendre transform algorithm / Ntekas, Konstantinos (University of California, Irvine) ; Taffard, Anyes (University of California, Irvine) ; Armstrong, Alexander III (University of California, Irvine) ; Hazen, Eric (Boston University, Department of Physics) ; Gastler, Daniel Edward (Boston University, Department of Physics) ; Butler, John (Boston University, Department of Physics) ; Black, Kevin (Boston University, Department of Physics) ; Finelli, Kevin Daniel (Boston University, Department of Physics) ; Martinez Outschoorn, Verena (University of Massachusetts, Amherst) ; Costa De Paiva, Thiago (University of Massachusetts, Amherst)
The upgrade of the ATLAS first-level muon trigger for High- Luminosity LHC foresees incorporating the precise tracking of the Monitored Drift Tubes in the current system based on Resistive Plate Chambers and Thin Gap Chambers to improve the accuracy in the transverse momentum measurement and control the single muon trigger rate by suppressing low quality fake triggers. [...]
ATL-DAQ-PROC-2018-008. - 2018. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6242.
The Phase-1 Upgrade of the ATLAS Level-1 Endcap Muon Trigger / Akatsuka, Shunichi (Kyoto University, Department of Physics)
Proceedings for RealTime 2018, 9th -15th June 2018 @ Williamsburg, Virginia, USA, on Phase-1 Upgrade of the Level-1 Endcap Muon trigger. [...]
ATL-DAQ-PROC-2018-007. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6243.
The Phase-1 Upgrade for the Level-1 Muon Barrel Trigger of the ATLAS Experiment at LHC / Izzo, Vincenzo (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli) ; Aloisio, Alberto (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli) ; Giordano, Raffaele (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli) ; Perrella, Sabrina (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli) ; Vari, Riccardo (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
The Level-1 Barrel Trigger of the ATLAS Experiment is based on Resistive Plate Chambers (RPC) detectors. [...]
ATL-DAQ-PROC-2018-006. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6244.
Beam Tests on the ATLAS Tile Calorimeter Demonstrator Module / Valdes Santurio, Eduardo (Stockholm University) ; Oreglia, Mark (University of Chicago, Enrico Fermi Institute) ; ATLAS Tile Collaboration
The Large Hadron Collider (LHC) Phase II upgrade aims to increase the accelerator luminosity by a factor of 5-10. [...]
ATL-TILECAL-PROC-2018-001. - 2019. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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6245.
Real time data analysis with the ATLAS Trigger at the LHC in Run-2 / Beauchemin, Pierre-Hugues (Tufts University)
The trigger selection capabilities of the ATLAS detector have been significantly enhanced for the LHC Run- 2 in order to cope with the higher event rates and with the large number of simultaneous interactions (pile-up) per protonproton bunch crossing. [...]
arXiv:1806.08475 ; ATL-DAQ-PROC-2018-005. - 2020-01-20. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6246.
Visual Cluster Analysis for Computing Tasks at Workflow Management System of the ATLAS Experiment / Grigoryeva, Maria (CERN Tier-0) ; Titov, Mikhail (NRC Kurchatov Institute Tier site) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Korchuganova, Tatiana (CERN Tier-0)
Hundreds of petabytes of experimental data in high energy and nuclear physics (HENP) have already been obtained by unique scientific facilities such as LHC, RHIC, KEK. [...]
ATL-SOFT-PROC-2018-002. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6247.
Review of ATLAS Open Data 8 TeV datasets, tools and activities
The ATLAS Collaboration has released two 8 TeV datasets and relevant simulated samples to the public for educational use. [...]
ATL-OREACH-PUB-2018-001. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6248.
ATLAS TileCal low voltage power supply upgrade hardware and testing / Hibbard, Michael James (The University of Texas at Arlington) ; Moayedi, Seyedali (Texas U., Arlington) ; Hadavand, Haleh (Texas U., Arlington) ; Davoudi, Ali (Texas U., Arlington)
The Phase II upgrade of the Large Hadron Collider (LHC) will raise the luminosity of the LHC by at least five times. [...]
ATL-TILECAL-PROC-2018-007. - Elsevier , 2019. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6249.
Latest Minimum Bias and Underlying Event measurements with the ATLAS Detector / Cairo, Valentina Maria (University at Albany, SUNY)
The modeling of Minimum Bias and Underlying Event is a crucial component in the description of soft Quantum Chromodynamics processes. [...]
ATL-PHYS-PROC-2018-058. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6250.
Operational Experience with and Performance of the ATLAS Pixel Detector at the Large Hadron Collider / Grummer, Aidan (University of New Mexico)
The operational experience and requirements to ensure optimum data quality and data taking efficiency with the 4-layer ATLAS Pixel Detector are discussed. [...]
ATL-INDET-PROC-2018-005. - 2019. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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6251.
Search for scalar dark energy in $t\bar{t}+E_{T}^{\text{miss}}$ and mono-jet final states with the ATLAS detector
This note presents the first collider search for light scalar particles that could contribute to the accelerating expansion of the observable universe. [...]
ATL-PHYS-PUB-2018-008. - 2018.
Original Communication (restricted to ATLAS) - Fulltext
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6252.
ATLAS LAr Calorimeter Performance in LHC Run-2 / Morgenstern, Stefanie (Institut fuer Kern- und Teilchenphysik, Technische Universitaet Dresden)
Liquid-argon (LAr) sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region $\eta<3.2$, and for hadronic and forward calorimetry in the region from $\eta=1.5$ to $\eta=4.9$. [...]
ATL-LARG-PROC-2018-004. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6253.
Searches for electroweak production of supersymmetric gauginos and sleptons with the ATLAS detector / Lorenz, Jeanette (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
Analyzing 36.1 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}$ = 13 TeV, delivered by the LHC and recorded by the ATLAS detector in 2015 and 2016 during Run 2, various SUSY searches for the electroweak production of gauginos and sleptons were pursued. [...]
ATL-PHYS-PROC-2018-057. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6254.
Development of a highly selective muon trigger exploiting the high spatial resolution of monitored drift-tube chambers for the ATLAS experiment at the HL-LHC / Kortner, Oliver (Max-Planck-Institut fuer Physik)
The High-Luminosity LHC will provide the unique opportunity to explore the nature of physics beyond the Standard Model. [...]
ATL-DAQ-PROC-2018-013. - 2019. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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6255.
Robustness studies of the photomultipliers reading out TileCal, the central hadron calorimeter of the ATLAS experiment / Di Gregorio, Giulia (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
TileCal, the hadron calorimeter of the ATLAS experiment in LHC, is a 10000 channel detector readout by photomultipliers (PMTs). [...]
ATL-TILECAL-PROC-2018-006. - 2019. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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6256.
An Innovative Radiation Hardened CAM Architecture / Shojaii, Seyed Ruhollah (ARC Centre of Excellence in Particle Physics at the Terascale, School of Physics, The University of Melbourne) ; Liberali, Valentino (INFN Milano and Universita' di Milano, Dipartimento di Fisica) ; Anagnostou, Oliver Ward (ARC Centre of Excellence in Particle Physics at the Terascale, School of Physics, The University of Melbourne) ; Mews, Michael John (ARC Centre of Excellence in Particle Physics at the Terascale, School of Physics, The University of Melbourne)
This article describes an innovative Content Addressable Memory (CAM) cell with radiation hardened (RH) architecture. [...]
ATL-DAQ-PROC-2018-012. - 2018. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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6257.
Searches for supersymmetric higgsinos with the ATLAS detector / Rossini, Lorenzo (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
A search for supersymmetric partners of the Higgs and gauge bosons (charginos and neutralinos) is presented in this work, using the data from the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2018-056. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6258.
Single Event Upsets in the ATLAS IBL Front End ASICs / Rozanov, Alexandre (Centre National de la Recherche Scientifique (FR))
During operation at instantaneous luminosities of up to 2.1 1034 cm2 s−1 frontend chips of the ATLAS innermost pixel layer (IBL) experienced single event upsets affecting its global registers as well as the settings for the individual pixels, causing, amongst other things loss of occupancy, noisy pixels, and silent pixels. [...]
ATL-INDET-PROC-2018-004. - 2019. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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6259.
Design of the ATLAS phase-II hardware-based tracking processor / Poggi, Riccardo (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
The expected factor four increase in peak luminosity of the high-luminosity LHC (HL-LHC) compared to the current system will force the ATLAS experiment to increase early stage trigger selection power. [...]
ATL-DAQ-PROC-2018-011. - 2018. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6260.
Searches for Dark Matter at the LHC / Butler, John (Boston University, Department of Physics)
The existance of a new form of matter, Dark Matter, has been established by a large body of astrophysical measurements [...]
ATL-PHYS-PROC-2018-055. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6261.
FELIX: the New Detector Interface for the ATLAS Experiment / ATLAS Collaboration
During the next major shutdown (2019-2020), the ATLAS experiment at the LHC will adopt the Front-End Link eXchange (FELIX) system as the interface between the data acquisition, detector control and TTC (Timing, Trigger and Control) systems and new or updated trigger and detector front-end electronics. [...]
ATL-DAQ-PROC-2018-010. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6262.
Upgrade of the ATLAS detectors and trigger at the High Luminosity LHC: tracking and timing for pile-up suppression / Testa, Marianna (INFN e Laboratori Nazionali di Frascati)
The High Luminosity-Large Hadron Collider is expected to start data-taking in 2026 and to provide an integrated luminosity of 3000 fb^{-1}, giving a factor 10 more data than will be collected by 2023. [...]
ATL-DAQ-PROC-2018-009. - 2019. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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6263.
FATALIC: a fully integrated electronics readout for the ATLAS tile calorimeter at the HL-LHC / ATLAS Collaboration
The ATLAS Collaboration has started a vast program of upgrades in the context of high-luminosity LHC (HL-LHC) foreseen in 2024. [...]
ATL-TILECAL-PROC-2018-005. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6264.
Vector boson scattering, triple gauge-boson final states and limits on anomalous quartic gauge couplings with the ATLAS detector / Nitta, Tatsumi (Waseda University, Waseda Research Institute for Science and engineering (WISE))
Measurements of the cross sections of the production of three electroweak gauge bosons and of vector-boson scattering processes at the LHC constitute stringent tests of the electroweak sector of the Standard Model and provide a model-independent means to search for new physics at the TeV scale. [...]
ATL-PHYS-PROC-2018-054. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6265.
Higgs boson production in association with a top quark pair at the LHC / Madaffari, Daniele (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The review of the results of the latest searches of Higgs boson production in association with a top quark-antiquark pair is presented. [...]
ATL-PHYS-PROC-2018-053. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6266.
Modeling Radiation Damage to Pixel Sensors in the ATLAS Detector / Rossini, Lorenzo (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
Silicon pixel detectors are at the core of the current and planned upgrade of the ATLAS detector at the Large Hadron Collider (LHC). [...]
ATL-INDET-PROC-2018-003. - 2019. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6267.
Muon identification and performance in the ATLAS experiment / Rettie, Sebastien (University of British Columbia)
Muon reconstruction and identification play a fundamental role in many analyses of central importance in the LHC run-2 Physics programme. [...]
ATL-PHYS-PROC-2018-052. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6268.
Recent ATLAS Results in Charmonium Production / Reznicek, Pavel (Charles University, Faculty of Mathematics and Physics, Prague)
Production of heavy flavoured hadrons can serve as a probe of QCD processes and, in the case of production in heavy ion collisions, also as a probe of the properties of deconfined quark-gluon plasma. [...]
ATL-PHYS-PROC-2018-051. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6269.
LUCID: The ATLAS Luminosity Detector / Cabras, Grazia (Universita e INFN, Bologna)
After the long shut-down, the LHC Run2 has started with new running conditions with respect to Run1: in particular the centre of mass energy has reached 13 TeV and the bunch-spacing is now 25 ns. [...]
ATL-FWD-PROC-2018-003. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6270.
LUCID-2 Detector: The ATLAS Luminometer / Cabras, Grazia (Universita e INFN, Bologna)
After the long shut-down, the LHC Run2 has started with new running conditions with respect to Run1: in particular the centre of mass energy has reached 13 TeV and the bunchspacing is now 25 ns. [...]
ATL-FWD-PROC-2018-002. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6271.
Studies of photon production in association with jets at the ATLAS detector / Stockton, Mark (European Laboratory for Particle Physics, CERN)
The production of prompt photons in association with jets in proton-proton collisions at the LHC provides a testing ground for perturbative QCD (pQCD) with a hard colourless probe less affected by hadronisation effects than jet production. [...]
ATL-PHYS-PROC-2018-050. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6272.
Searches for direct pair production of third generation squarks with the ATLAS detector / Mitrevski, Jovan (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
Naturalness arguments for weak-scale supersymmetry favor supersymmetric partners of the third generation quarks with masses not too far from those of their Standard Model counterparts. [...]
ATL-PHYS-PROC-2018-049. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6273.
ATLAS Plans for the High-Luminosity LHC / Walkowiak, Wolfgang (Department Physik, Universitaet Siegen)
Despite the excellent performance of the Large Hadron Collider (LHC) at CERN an upgrade to a High-Luminosity LHC (HL-LHC) with a peak instantaneous luminosity of up to $7.5\times 10^{34}$ fb$^{-1}$ will be required after collecting a total dataset of approximately 300 fb$^{-1}$ by the end of Run 3 (in 2023). [...]
ATL-PHYS-PROC-2018-048. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6274.
Combined measurements of Higgs boson production and decay using up to 80 fb$^{-1}$ of proton--proton collision data at $\sqrt{s}=$ 13 TeV collected with the ATLAS experiment
Combined measurements of Higgs boson production cross-sections, branching fractions and couplings are presented in the Higgs boson decay channels into $\gamma\gamma$, $ZZ^*$, $WW^*$, $\tau\tau$, $\mu\mu$ and $b\bar{b}$, using up to $79.8$ fb$^{-1}$ of proton--proton collision data at $\sqrt{s}=$ 13 TeV collected with the ATLAS experiment. [...]
ATLAS-CONF-2018-031. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6275.
Observation of electroweak production of a same-sign $W$ boson pair in association with two jets in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
This note presents the observation and fiducial cross-section measurement of electroweak production of a same-sign $W$ boson pair in association with two jets using 36.1 fb$^{-1}$ of proton-proton collision data recorded at a center-of-mass energy of $\sqrt{s}=13$ TeV by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2018-030. - 2018. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6276.
Measurements of fiducial and differential cross-sections of $t\bar{t}$ production with additional heavy-flavour jets in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
This note presents measurements of $t\bar{t}$ production in association with additional $b$-jets in $pp$ collisions at the LHC at a centre-of-mass energy of 13 TeV. [...]
ATLAS-CONF-2018-029. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6277.
Measurements of Higgs boson properties in the diphoton decay channel using 80 fb$^{-1}$ of $pp$ collision data at $\sqrt s$ = 13 TeV with the ATLAS detector
This note reports measurements of Higgs boson properties in the two-photon final state using 79.8 fb$^{-1}$ of data recorded at $\sqrt{s}=13$ TeV by the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2018-028. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6278.
Measurements of top-quark pair spin correlations in the $e\mu$ channel at $\sqrt{s} = 13$~TeV using pp collisions in the ATLAS detector
A measurement of observables sensitive to spin correlations in \ttbar production is presented, using 36.1 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} = 13$~TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2018-027. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6279.
A search for the rare decay of the Standard Model Higgs boson to dimuons in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS Detector
A search for the dimuon decay of the Standard Model Higgs boson was performed using data corresponding to an integrated luminosity of $79.8$ fb$^{-1}$ collected so far in Run 2 with the ATLAS detector in $pp$ collisions at $\sqrt{s}=13$ TeV at the Large Hadron Collider. [...]
ATLAS-CONF-2018-026. - 2018. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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6280.
Search for resonances in the 65 to 110 GeV diphoton invariant mass range using 80 fb$^{-1}$ of $pp$ collisions collected at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for low-mass diphoton resonances is performed using 80 fb$^{-1}$ of $pp$ collision data collected with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2018-025. - 2018. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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6281.
Search for single production of a vector-like $B$ quark decaying into a bottom quark and a Higgs boson which decays into a pair of photons
A search is presented for single production of a vector-like $B$ quark that decays into a Higgs boson and a $b$ quark. [...]
ATLAS-CONF-2018-024. - 2018. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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6282.
Jet suppression and jet substructure in Pb+Pb and Xe+Xe collisions with the ATLAS detector / Spousta, Martin (Charles University, Faculty of Mathematics and Physics, Prague)
This short summary presents latest measurements of the nuclear modification factor, $R_{AA}$, for $R=0.4$ jets in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2018-061. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from Publisher
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6283.
Measurement of the azimuthal anisotropy of charged particles in 5.02 TeV Pb+Pb and 5.44 TeV Xe+Xe collisions with ATLAS / Bold, Tomasz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
The data collected by the ATLAS experiment during the 2015 Pb+Pb and 2017 Xe+Xe LHC runs offer new opportunities to study charged particle azimuthal anisotropy [...]
ATL-PHYS-PROC-2018-060. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6284.
Performances of the ATLAS RPC first level Muon trigger during the Run-II data taking / Alberghi, Gian Luigi (Universita e INFN, Bologna)
The fist level (L1) muon barrel trigger is one of the main elements of the event selection of the ATLAS experiment at the Large Hadron Collider [...]
ATL-MUON-PROC-2018-007. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6285.
Status of the present ATLAS RPC system and overview towards HL-LHC / Alberghi, Gian Luigi (Universita e INFN, Bologna)
The RPC system covers the barrel region of the ATLAS muon spectrometer in the pseudo-rapidity range $|\eta|<1.05$, with six independent detector layers exclusively providing the first level trigger signal and the track coordinate in the non-bending plane of the muon candidates. [...]
ATL-MUON-PROC-2018-006. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6286.
Production and decay of HF in ATLAS / Campoverde, Angel (Department Physik, Universitaet Siegen)
An angular analysis of the decay of $B_{d}\rightarrow K^{*}\mu^+\mu^-$ is peformed for a number of angular coefficients, which are measured as a function of the invariant mass squared of the dimuon system for data collected at $\sqrt{s} = 8$ TeV by ATLAS, at the LHC. [...]
ATL-PHYS-PROC-2018-059. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6287.
Electromagnetic processes with Quasireal photons in Pb+Pb collisions: QED, QCD, and the QGP / Steinberg, Peter (Brookhaven National Laboratory (BNL))
Electromagnetic processes, both photon-photon and photon-nucleus, are shown to be useful in studying aspects of QED, QCD, and potentially the QGP. [...]
ATL-PHYS-PROC-2018-072. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6288.
Object-based missing transverse momentum significance in the ATLAS detector
Missing transverse momentum, $E_{\rm T}^{\rm miss}$, is commonly used to study the production of weakly interacting particles. [...]
ATLAS-CONF-2018-038. - 2018. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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6289.
Usage of CAD Applications as an Open-Use Geometry Modeling Research Software in Particle Physics Experiments / Sharmazanashvili, Alexander (Georgian Technical University) ; Surmava, Archil (Georgian Technical University) ; Kobakhidze, Shota (Georgian Technical University) ; Shekiladze, Davit (Georgian Technical University)
Modern Particle Physics experiments require very complex scientific facilities to perform measurements. [...]
ATL-SOFT-PROC-2018-003. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6290.
Track assisted techniques for jet substructure
The substructure of large-radius (large-$R$) jets provides an important handle to discriminate hadronic decays such as $W\to q{q}$, $H\to bb$, $H\to W(q{q})W^*(q{q})$, and $t\to W(q{q})b$ from QCD multijet backgrounds. [...]
ATL-PHYS-PUB-2018-012. - 2018. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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6291.
Charged-hadron suppression in Pb+Pb and Xe+Xe collisions measured with the ATLAS detector / Balek, Petr (Department of Particle Physics, The Weizmann Institute of Science)
The measurement of charged-hadron production in heavy-ion collisions provides insight into the properties of the quark-gluon plasma by measuring parton energy loss. [...]
ATL-PHYS-PROC-2018-071. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6292.
Flow fluctuations in Pb+Pb collisions at $\sqrt{s_\text{NN}}=5.02$ TeV with the ATLAS detector / Zhou, Mingliang (Stony Brook University)
Measurements of four-particle cumulants $c_n\{4\}$ for $n=1,2,3,4$ are presented using 470 $\mu\text{b}^{-1}$ of Pb+Pb collisions at $\sqrt{s_\text{NN}}=5.02$ TeV with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2018-070. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6293.
Measurements of vector boson fusion with the ATLAS detector / Calfayan, Philippe (Indiana University)
The ATLAS experiment performed measurements of the production of W and Z bosons in association with two jets at high dijet invariant mass. [...]
ATL-PHYS-PROC-2018-069. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6294.
Upgrade of the ATLAS Tile Calorimeter for the High Luminosity LHC / Scuri, Fabrizio (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2018-008. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6295.
Spectroscopy and exotica of heavy flavor states in ATLAS / Novotny, Radek (Czech Technical University in Prague)
Several studies were performed using $4.9~\mathrm{fb}^{-1}$ of $\sqrt{s} = 7~\mathrm{TeV}$ and $19.2~\mathrm{fb}^{-1}$ of $\sqrt{s} = 8~\mathrm{TeV}$ $pp$ collision data collected with the ATLAS detector at the LHC and the results of the latest studies are presented here. [...]
ATL-PHYS-PROC-2018-068. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6296.
Impact of Pile-up on Jet Constituent Multiplicity in ATLAS
One of the biggest challenges facing jet constituent multiplicity measurements is contamination from extraneous sources of soft radiation, such as pile-up. [...]
ATL-PHYS-PUB-2018-011. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6297.
Impact of theory uncertainties related to Higgs boson production in the $H\rightarrow Z Z^{*}\rightarrow 4l$ and the $t\bar{t}H$ channels with the ATLAS detector at the HL-LHC
A study is presented on the impact of theory uncertainties related to the Higgs boson production in the $H \rightarrow Z Z^{*} \rightarrow 4l$, $t\bar{t}H,H\rightarrow \gamma\gamma$ and $t\bar{t}H$ multi-leptons channels, using 14 TeV proton-proton collisions at the High Luminosity LHC with 3000 $fb^{-1}$. [...]
ATL-PHYS-PUB-2018-010. - 2018. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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6298.
The ATLAS Electron and Photon Trigger / Jones, Samuel David (University of Sussex)
ATLAS electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential to record signals for a wide variety of physics: from Standard Model processes to searches for new phenomena. [...]
ATL-DAQ-PROC-2018-014. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6299.
The new Fast Calorimeter Simulation in ATLAS
ATLAS relies on very large samples of simulated events for delivering high-quality and competitive physics results, but producing these samples is very CPU intensive when using the full GEANT4 detector simulation. [...]
ATL-SOFT-PUB-2018-002. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6300.
Deep generative models for fast shower simulation in ATLAS
The need for large scale and high fidelity simulated samples for the extensive physics program of the ATLAS experiment at the Large Hadron Collider motivates the development of new simulation techniques. [...]
ATL-SOFT-PUB-2018-001. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6301.
Measurement of the effective leptonic weak mixing angle using electron and muon pairs from $Z$-boson decay in the ATLAS experiment at $\sqrt s = 8$ TeV
This note presents a measurement of the effective leptonic weak mixing angle by the ATLAS experiment, based on data collected in 2012 at~$\sqrt s = 8$~TeV at the LHC collider and corresponding to an integrated luminosity of~20.1~\ifb. [...]
ATLAS-CONF-2018-037. - 2018. - 37 p.
Original Communication (restricted to ATLAS) - Full text
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6302.
Observation of $H \to b\bar{b}$ decays and $VH$ production with the ATLAS detector
A search for the decay of the Standard Model Higgs boson into a $b\bar{b}$ pair when produced in association with a $W$ or $Z$ boson is performed with the ATLAS detector. [...]
ATLAS-CONF-2018-036. - 2018. - 47 p.
Original Communication (restricted to ATLAS) - Full text
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6303.
Measurement of the $Z\gamma\to\nu\bar{\nu}\gamma$ Production Cross Section in $pp$ Collisions at $\sqrt{s}$ =13~TeV with the ATLAS Detector and Limits on Anomalous Triple Gauge Couplings
The production of $Z$ bosons in association with a high energy photon ($Z\gamma$ production) is studied in the neutrino decay channel of the $Z$ boson using $pp$ collisions at $\sqrt{s}$~=~13~TeV. [...]
ATLAS-CONF-2018-035. - 2018. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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6304.
Identification of boosted hadronically decaying particles with jet substructure in ATLAS Run-2 / Veatch, Jason (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
In order to exploit the abundance of high momentum heavy particles produced at LHC (top, $W$/$Z$ and Higgs) and decaying hadronically, the study of jet substructure has become increasingly important throughout a wide array of searches and measurements. [...]
ATL-PHYS-PROC-2018-067. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6305.
Improvements in $t\bar{t}$ modelling using NLO+PS Monte Carlo generators for Run2
Monte Carlo generators at next-to-leading order (NLO) precision in QCD matched to a parton shower (PS) have been extensively used by ATLAS to model top-quark pair production. [...]
ATL-PHYS-PUB-2018-009. - 2018. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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6306.
Phase-II Readout Electronics Upgrades of the ATLAS LAr Calorimeter / Anelli, Christopher Ryan (University of Victoria)
The high-luminosity LHC will operate at 5-7 times the luminosity of the original design. [...]
ATL-LARG-PROC-2018-006. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6307.
Recent results on hard processes in p+Pb, Pb+Pb, and pp collisions from the ATLAS Experiment at the LHC / Havener, Laura Brittany (Nevis Laboratory, Columbia University)
In relativistic heavy-ion collisions, a hot medium with a high density of unscreened colour charges is produced. [...]
ATL-PHYS-PROC-2018-066. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6308.
Measurement of $W^{\pm}Z$ production cross sections and gauge boson polarisation in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
This note presents measurements of $W^{\pm}Z$ production in $pp$ collisions at a center-of-mass energy of $13$ TeV. [...]
ATLAS-CONF-2018-034. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6309.
Observation of electroweak $W^{\pm}Z$ boson pair production in association with two jets in pp collisions at $\sqrt{s}$ = 13TeV with the ATLAS Detector
An observation of electroweak $W^{\pm}Z$ production in association with two jets in proton--proton collisions is presented. [...]
ATLAS-CONF-2018-033. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6310.
Reconstruction techniques in supersymmetry searches in the ATLAS experiment / Gramstad, Eirik (University of Oslo)
Many supersymmetric scenarios feature final states with non-standard final state objects. [...]
ATL-PHYS-PROC-2018-065. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
6311.
Searches for supersymmetry in resonance production, R-parity violating signatures and events with long-lived particles with the ATLAS detector / Sandoval Usme, Carlos (Universidad Antonio Narino, Centro de Investigaciones)
R-parity violation introduces many viable signatures to the search for supersymmetry at the LHC. [...]
ATL-PHYS-PROC-2018-064. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6312.
Combination of the searches for pair-produced vector-like partners of the third generation quarks at $\sqrt{s} =$~13~TeV with the ATLAS detector
A combination of the searches for pair-produced vector-like partners of the top and bottom quarks in various decay channels ($T$$\rightarrow$$Zt/Wb/Ht$, $B$$\rightarrow$$Zb/Wt/Hb$) is performed using 36.1 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}$ = 13 TeV with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2018-032. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6313.
The Phase-I Trigger Readout Electronics Upgrade of the ATLAS Liquid Argon Calorimeters / Yang, Yi-lin (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
The Super Cell has been proposed in the Phase-I LAr upgrade to replace the existing trigger system "Trigger Tower" in order to cope with higher luminosity environments in Run 3 at LHC. [...]
ATL-LARG-PROC-2018-005. - 2019. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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6314.
Identifying merged clusters in the ATLAS strip detector / McCormack, William Patrick (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Nachman, Benjamin Philip (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Garcia-Sciveres, Maurice (Lawrence Berkeley National Laboratory and University of California, Berkeley)
Tracking in high density environments, particularly in high energy jets, plays an important role in many physics analyses at the LHC. [...]
ATL-INDET-PROC-2018-006. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6315.
Modeling the Mobility and Lorentz angle for the ATLAS Pixel Detector
The electron and hole mobility plays a key role in determining the cluster shape in the ATLAS silicon pixel detectors. [...]
ATL-INDET-PUB-2018-001. - 2018.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
6316.
Study of the $H \rightarrow \tau \tau$ channel with ATLAS / Mlynarikova, Michaela (Charles University, Faculty of Mathematics and Physics, Prague)
After the discovery of the Higgs boson, the precision measurements of its properties and comparison with the Standard Model (SM) predictions became the crucial part of the LHC physics programme. [...]
ATL-PHYS-PROC-2018-063. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6317.
Performance and Calibration of a 2m^2 SM2 Micromegas Detector for the ATLAS Muon Spectrometer Upgrade / Herrmann, Maximilian Georg (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Hertenberger, Ralf (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Losel, Philipp Jonathan (Ludwig Maximilians Universitat (DE)) ; Maniatis, Ioannis Michail (Aristotle University of Thessaloniki) ; Muller, Ralph (Ludwig Maximilians Universitat (DE)) ; Sampsonidis, Dimitrios (Aristotle University of Thessaloniki)
The steadily increasing luminosity of LHC requires an upgrade to high rate capability and high resolution capable detector tech- nologies for the innermost station of the muon spectrometer of the ATLAS experiment. [...]
ATL-MUON-PROC-2018-008. - 2018. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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6318.
Measurements and searches of Higgs boson decays to two fermions / Schiavi, Carlo (INFN Genova and Universita' di Genova, Dipartimento di Fisica)
In this report, we present the latest ATLAS measurements and searches of Higgs boson decays to two third- or two second-generation quarks or leptons, focusing on the $H \to\mu\mu$, $H \to b \bar{b}$, $H \to c \bar{c}$ channels. [...]
ATL-PHYS-PROC-2018-062. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6319.
Inclusive searches for squarks and gluinos with the ATLAS detector / Leblanc, Matthew Edgar (University of Arizona)
Despite the absence of experimental evidence, TeV-scale supersymmetry remains one of the best-motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2018-080. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
6320.
Implementation and performance of the ATLAS pixel clustering neural networks / Gagnon, Louis-Guillaume (Universite de Montreal (CA))
The high particle densities produced at the Large Hadron Collider (LHC) mean that in the ATLAS pixel detector the clusters of deposited charge start to merge. [...]
ATL-INDET-PROC-2018-007. - 2018. - 11 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
6321.
Electroweak probes of small and large systems with the ATLAS detector / Citron, Zvi Hirsh (Ben Gurion University of the Negev)
Measurements of isolated prompt photon and massive electroweak ($W$ and $Z$) boson production in different collision systems are of great interest to understanding the partonic structure of heavy nuclei, and serve as a constraint on the initial state in larger collision systems. [...]
ATL-PHYS-PROC-2018-079. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from Publisher
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6322.
Muon identification and performance in the ATLAS experiment / Di Donato, Camilla (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli)
Muon reconstruction and identification play a fundamental role in many analyses of central importance in the LHC run-2 Physics programme [...]
ATL-PHYS-PROC-2018-078. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6323.
SM+Top at the LHC / McCarthy, Tom (Max-Planck-Institut fuer Physik)
These proceedings highlight a selection of recent results by the ATLAS, CMS and LHCb collaborations, the majority of which feature analyses of $\sqrt{s}=13$ TeV data. [...]
ATL-PHYS-PROC-2018-077. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6324.
Construction and test of the SM1 MicroMegas chambers for the upgrade of the forward Muon Spectrometer of the ATLAS experiment / Mancini, Giada (INFN e Laboratori Nazionali di Frascati)
MICRO MEsh GASeous structure chambers, MicroMegas (MM), is an innovative design concept for Micro-Pattern Gaseous De- tectors, designed in order to provide a high spatial resolution and to cope with highly irradiated environments. [...]
ATL-MUON-PROC-2018-009. - 2018. - 2 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
6325.
Highlights from the ATLAS experiment / Grabowska-Bold, Iwona (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
This report provides an overview of the new results obtained by the ATLAS Collaboration, which were presented at the Quark Matter 2018 conference. [...]
ATL-PHYS-PROC-2018-076. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from Publisher
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6326.
Measurement of the flow harmonics correlation in $pp$, $p$+Pb and low multiplicity Pb+Pb collisions with the ATLAS detector at the LHC / Derendarz, Dominik (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
Recent measurements of the correlations between flow harmonics obtained using four-particle symmetric cumulants and three-particle asymmetric cumulants with the ATLAS detector at the LHC are described. [...]
ATL-PHYS-PROC-2018-075. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from Publisher
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6327.
Test Beam Studies for the ATLAS Tile Calorimeter Upgrade Readout Electronics / Rodriguez Perez, Andrea (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain)
The Large Hadron Collider (LHC) Phase II upgrade aims to increase the accelerator luminosity by a factor of 5-10. [...]
ATL-TILECAL-PROC-2018-009. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6328.
$t\overline{t}$X Production at ATLAS and CMS / Glatzer, Julian Maximilian Volker (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain) /ATLAS Collaboration ; CMS Collaboration
Recent measurements of top quark pair production in association with W -bosons, Z-bosons and photons are reported together with a measurement of four top quark production. The measurements were performed by the ATLAS and CMS collaborations and are based on proton–proton collisions with $\sqrt{s} =$ 13 TeV and 8 TeV at the LHC. [...]
ATL-PHYS-PROC-2018-074.- Geneva : CERN, 2018 - 4 p. - Published in : (2018) , pp. 33-36 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 53rd Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 17 - 24 Mar 2018, pp.33-36
  Detailed record Copy itemCopy item
6329.
Highlights from the ATLAS experiment at the CERN LHC / Tsukerman, Ilya (Institute for Theoretical and Experimental Physics)
Highlights from the ATLAS Experiment at CERN Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2018-073. - 2019. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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6330.
Jet Mass Resolutions in ATLAS using Run 2 Monte Carlo Simulation
The jet mass resolution (JMR) and its uncertainty are amongst the limiting systematic effects for precision measurements and searches for physics beyond the Standard Model. [...]
ATL-PHYS-PUB-2018-015. - 2018.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
6331.
Performance of mass-decorrelated jet substructure observables for hadronic two-body decay tagging in ATLAS
Mass-decorrelated jet substructure observables have the potential to increase the sensitivity of searches for new physics in final states with high-$p_{\mathrm{T}}$ hadronically decaying resonances, both by minimising the sculpting of background jet mass distributions and enabling more robust background estimation. [...]
ATL-PHYS-PUB-2018-014. - 2018. - 35 p.
Original Communication (restricted to ATLAS) - Full text
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6332.
Generalized Numerical Inversion: A Neural Network Approach to Jet Calibration
Jets that are reconstructed by the ATLAS detector are corrected to ensure that the reported energy is an unbiased measurement of the particle-level jet energy. [...]
ATL-PHYS-PUB-2018-013. - 2018. - 13 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
6333.
Search for direct chargino pair production with W-boson mediated decays in events with two leptons and missing transverse momentum at $\sqrt{s} = 13$ TeV with the ATLAS detector
The results of a search for the direct pair production of charginos decaying via W-bosons are reported using 80.5 fb-1 of integrated luminosity from LHC $pp$ collisions at 13 TeV collected by the ATLAS detector in the 2015, 2016 and 2017 data taking campaigns. [...]
ATLAS-CONF-2018-042. - 2018. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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6334.
Calibration and performance of the ATLAS Tile Calorimeter during the LHC Run 2 / Klimek, Pawel (Northern Illinois University)
The Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of the ATLAS experiment and provides important information for reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. [...]
ATL-TILECAL-PROC-2018-011. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6335.
Optics robustness of the ATLAS Tile Calorimeter / Costa Batalha Pedro, Rute (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisboa)
\begin{abstract} TileCal, the central hadronic calorimeter of the ATLAS detector is composed of plastic scintillators interleaved by steel plates, and wavelength shifting optical fibres [...]
ATL-TILECAL-PROC-2018-010. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
6336.
Search for supersymmetry in final states with missing transverse momentum and multiple $b$-jets in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for supersymmetry involving the pair production of gluinos decaying via third-generation squarks into the lightest neutralino ($\displaystyle\tilde\chi^0_1$) is reported. [...]
ATLAS-CONF-2018-041. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6337.
Search for bottom-squark pair production with the ATLAS detector in final states containing Higgs bosons, $b$-jets and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13\,\mathrm{TeV}$
The result of a search for the production of the supersymmetric partner of the bottom-quark ($\tilde{b}_{1}$) using $79.8\,\mathrm{fb}^{-1}$ of data collected at $\sqrt{s} = 13\,\mathrm{TeV}$ by the ATLAS detector in Run 2 is reported. [...]
ATLAS-CONF-2018-040. - 2018. - 41 p.
Original Communication (restricted to ATLAS) - Full text
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6338.
Search for Dark Matter Produced in Association with a Higgs Boson decaying to $b\bar{b}$ at $\sqrt{s}= 13\,$TeV with the ATLAS Detector using 79.8$\,$fb$^{-1}$ of proton-proton collision data
A search for dark matter produced in association with a Higgs boson decaying to $b$-quarks is performed using $pp$ collisions at a centre-of-mass energy of $\sqrt{s}= 13\,$TeV. [...]
ATLAS-CONF-2018-039. - 2018. - 33 p.
Original Communication (restricted to ATLAS) - Full text
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6339.
Highlights of top quark production measurements at LHC / Shimizu, Shima (KEK, High Energy Accelerator Research Organization)
Cross-section measurements of the top quark production at the LHC are presented in this contribution. [...]
ATL-PHYS-PROC-2018-084. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6340.
Charmonium Production and HF decay properties at ATLAS / Korn, Andreas (Department of Physics and Astronomy, University College London)
The ATLAS collaboration has measured the production of heavy flavoured bottom and charm hadrons in proton--proton collisions at the Large Hadron Collider (LHC) at centre of mass energies of $\sqrt{s}=5.02,7,8$ and $13~\rm TeV$. [...]
ATL-PHYS-PROC-2018-083. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6341.
An Ensemble of Neural Networks for Online Filtering Implemented in the ATLAS Trigger System
In 2017 the ATLAS experiment implemented an ensemble of neural networks (NeuralRinger algorithm) dedicated to improving the performance of filtering events containing electrons in the high-input rate online environment of the Large Hadron Collider at CERN, Geneva. [...]
ATL-DAQ-PROC-2018-016. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6342.
Measurement of angular and momentum distributions of charged-particles within and around jets in Pb+Pb and $pp$ collisions at $\sqrt{s_{NN}}= 5.02$ TeV with ATLAS at the LHC / Puri, Akshat (University of Illinois at Urbana-Champaign)
Studies of the fragmentation of jets into charged particles in heavy-ion collisions can help in understanding the mechanism of jet quenching by the hot and dense QCD matter created in such collisions, the quark-gluon plasma. [...]
ATL-PHYS-PROC-2018-082. - 2019. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6343.
The ATLAS High-Level Calorimeter Trigger in Run-2 / Wiglesworth, Craig (Niels Bohr Institute (NBI), University of Copenhagen)
The ATLAS Experiment uses a two-level triggering system to identify and record collision events containing a wide variety of physics signatures. [...]
ATL-DAQ-PROC-2018-015. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6344.
Searches for dark matter at ATLAS and CMS / Bierwagen, Katharina (Institut fuer Physik, Universitaet Mainz) /ATLAS Collaboration ; CMS Collaboration
Cosmological and astrophysical observations indicate the presence of Dark Matter in the universe which cannot be explained by the Standard Model. Searches for Dark Matter are performed by both the ATLAS and CMS experiment at the LHC in events involving large missing transverse momentum in the final state. [...]
ATL-PHYS-PROC-2018-081.- Geneva : CERN, 2018 - 4 p. - Published in : (2018) , pp. 143-146 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 53rd Rencontres de Moriond on QCD and High Energy Interactions, La Thuile, Italy, 17 - 24 Mar 2018, pp.143-146
  Detailed record Copy itemCopy item
6345.
Determination of the parton distribution functions of the proton from ATLAS measurements of differential $W$ and $Z/\gamma^*$ and $t\bar{t}$ cross sections
An analysis of ATLAS data on inclusive $W^{\pm}$ and $Z/\gamma^*$ boson production and $t\bar{t}$ production in $pp$ collisions at the LHC is reported. [...]
ATL-PHYS-PUB-2018-017. - 2018. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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6346.
Prospects for $H\rightarrow c\bar c$ using Charm Tagging with the ATLAS Experiment at the HL-LHC
ATL-PHYS-PUB-2018-016. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6347.
The Fast TracKer - A hardware track processor for the ATLAS trigger system / Potamianos, Karolos Jozef (DESY, Hamburg and Zeuthen)
The Fast Tracker (FTK) is a hardware upgrade to the ATLAS trigger and data acquisition system providing global track reconstruction to the High-Level Trigger (HLT) with the goal to improve pile-up rejection. [...]
ATL-DAQ-PROC-2018-017. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6348.
The Phase-2 ATLAS ITk Pixel Upgrade / Macchiolo, Anna (Max-Planck-Institut fuer Physik)
The new ATLAS ITk pixel system will be installed during the LHC Phase-2 shutdown , to better take advantage of the increased luminosity of the HL-LHC. [...]
ATL-ITK-PROC-2018-013. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6349.
Photon-tagged measurements of jet quenching with ATLAS / Perepelitsa, Dennis (University of Colorado Boulder)
Events containing a high transverse momentum ($p_\mathrm{T}$) prompt photon offer a useful tool to study the dynamics of the hot, dense medium produced in heavy ion collisions. [...]
ATL-PHYS-PROC-2018-085. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from Publisher
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6350.
The Phase-1 Trigger Readout Electronics Upgrade of the ATLAS Liquid Argon Calorimeter / Enari, Yuji (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
Electronics developments are pursued for the trigger readout of the ATLAS Liquid-Argon Calorimeter towards the Phase-I upgrade scheduled in the LHC shut-down period of 2019-2020. [...]
ATL-LARG-PROC-2018-007. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6351.
Measurement of the tau lepton reconstruction and identification performance in the ATLAS experiment using pp collisions at $\sqrt(s)$=13 TeV / Huebner, Michael (University of Bonn)
Tau lepton decays into hadrons are important for many physics analyses performed at the LHC. [...]
ATL-PHYS-PROC-2018-086. - SISSA, 2018-12-21. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6352.
Measurement of W boson production in Pb+Pb collisions at 5.02 TeV with the ATLAS detector / Janus, Piotr Andrzej (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
The $W$ boson is a short lived particle which does not interact strongly. [...]
ATL-PHYS-PROC-2018-091. - SISSA, 2018-12-21. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
6353.
New results on collectivity in small systems with ATLAS / Przybycien, Mariusz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
The azimuthal anisotropies of particle yields observed in relativistic heavy-ion collisions have been traditionally considered as a strong evidence of the formation of a deconfined quark-gluon plasma produced in these collisions. [...]
ATL-PHYS-PROC-2018-090. - SISSA, 2018-21-12. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6354.
Triggering on light-by-light scattering in the ATLAS experiment / Ogrodnik, Agnieszka (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Light-by-light (LbyL) scattering is a quantum-mechanical process with a small cross-section, but possible to observe in ultra-peripheral high energy heavy-ion collisions. [...]
ATL-DAQ-PROC-2018-019. - SISSA, 2018-12-21. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6355.
Search for type-III seesaw heavy leptons in proton-proton collisions at $\sqrt{s}=13$ TeV / Novak, Tadej (Jozef Stefan Institute)
A search for the pair production of heavy leptons ($N^0$, $L^\pm$) as predicted by the type-III seesaw mechanism is presented. [...]
ATL-PHYS-PROC-2018-089. - SISSA, 2018-12-21. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6356.
The Phase-II upgrade of the ATLAS Muon Spectrometer / Massa, Lorenzo (INFN Roma Tor Vergata and Universita' di Roma Tor Vergata, Dipartimento di Fisica)
The muon spectrometer of the ATLAS detector will undergo a major upgrade foreseen for the Phase II, in order to cope with the operational conditions at the high-luminosity LHC. [...]
ATL-MUON-PROC-2018-010. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6357.
Data-driven methods for misreconstructed objects estimation in lepton final states with ATLAS at $\sqrt{s}=13$ TeV / Ucchielli, Giulia (Fakultaet Physik, Technische Universitaet Dortmund, Dortmund)
Neutrino mass generation is needed to explain neutrino oscillations. [...]
ATL-PHYS-PROC-2018-088. - SISSA, 2018-12-21. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6358.
Integration and Commissioning of the Fast TracKer system / Calvetti, Milene (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; Biesuz, Nicolo Vladi (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
The Fast TracKer (FTK) system is a track reconstruction processor able to perform full event tracking synchronously with the ATLAS Level 1 trigger acceptance rate. [...]
ATL-DAQ-PROC-2018-018. - SISSA, 2018-12-21. - 5 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
6359.
Search for a W′ decaying to tb in the lepton plus jets final state with the ATLAS detector using 36.1 fb^{-1} of pp collision data at \sqrt{s} = 13 TeV / Marjanovic, Marija (Laboratoire de Physique de Clermont-Ferrand (LPC), Universite Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, France)
A search for new charged massive gauge bosons, called W', decaying to tb, is performed with the ATLAS detector in the decay channel leading to final states with an electron or muon, 2 or 3 jets, and missing transverse momentum. [...]
ATL-PHYS-PROC-2018-087. - SISSA, 2018-12-21. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6360.
Measurement of heavy flavor production and azimuthal anisotropy in small and large systems with ATLAS / Hu, Qipeng (University of Colorado Boulder)
Heavy flavor production and correlation in A+A collisions provide insight into the energy loss mechanism and transport properties of heavy quarks in the QGP. [...]
ATL-PHYS-PROC-2018-102. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6361.
Track reconstruction in high-multiplicity environments with the ATLAS Detector at the LHC / Mijovic, Liza (The University of Edinburgh (GB))
During 2017, the Large Hadron Collider provided record-breaking integrated and instantaneous luminosities, resulting in huge amounts of data with the number of interactions per bunch crossing being significantly beyond design values. [...]
ATL-PHYS-PROC-2018-101. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6362.
The Social Content Strategy of the ATLAS Collaboration / Sidoti, Antonio (Universita e INFN, Bologna)
Social media is an essential tool for communicating particle physics results to a wide audience. [...]
ATL-OREACH-PROC-2018-002. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6363.
Expected performance of the upgrade ATLAS experiment for HL-LHC / Liu, Peilian (Lawrence Berkeley National Laboratory and University of California, Berkeley)
The Large Hadron Collider (LHC) has been successfully delivering proton-proton collision data at the unprecedented center of mass energy of 13\,TeV. [...]
ATL-PHYS-PROC-2018-100. - 2018. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6364.
The ATLAS Open Data project / Doglioni, Caterina (Lunds universitet, Fysiska institutionen)
The ATLAS Open Data project is a collection of high-level data from the Large Hadron Collider and tools to analyze this data. [...]
ATL-OREACH-PROC-2018-001. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6365.
Measurement of $tW$ differential cross-sections with ATLAS at $\sqrt{s}=13$ TeV / Zhang, Rui (University of Bonn)
The cross-section to produce a $W$ boson in association with a top quark is measured differentially with respect to several particle-level final-state observable quantities. [...]
ATL-PHYS-PROC-2018-099. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6366.
New results on soft particle production in heavy-ion collisions with ATLAS / Trzupek, Adam (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
The measurement of flow $v_2$-$v_5$ harmonics in Xe+Xe collisions at the energy of $\sqrt{s_{NN}}$ = 5.44~\TeV\ were recently performed in the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2018-098. - 21 Dec 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6367.
Searches for unconventional signatures with the ATLAS detector at 13 TeV / Kopeliansky, Revital (Indiana University)
A review of exotic unconventional detector-signatures searches performed by the ATLAS experiment is presented. [...]
ATL-PHYS-PROC-2018-097. - SISSA, 2018-09-05. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6368.
The ATLAS Tile Calorimeter Phase-II Upgrade Demonstrator Data Acquisition and Software / Little, Jared David (The University of Texas at Arlington)
The Phase-II upgrades will prepare the ATLAS experiment for the High Luminosity LHC (HL-LHC), planned to begin operation in 2026. [...]
ATL-TILECAL-PROC-2018-013. - SISSA, 2018-12-21. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6369.
Latest results on Diboson and multiboson production from ATLAS experiment / Kharlamova, Tatyana (Budker Institute of Nuclear Physics, Siberian Branch of Russian Academy of Sciences)
Latest ATLAS results on diboson and multiboson production will be reported, including leptonic ZZ, WZ, WW production at 13 TeV, semileptonic WW and WZ production at 8 TeV and triboson production at 8 TeV. [...]
ATL-PHYS-PROC-2018-096. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6370.
A word from the Early Career Scientists in the LHC experiments / Muskinja, Miha (Jozef Stefan Institute)
Early Career Scientists (ECSs) make up a large fraction of the High Energy Physics community and contribute to the scientific programmes across all projects and activities. [...]
ATL-GEN-PROC-2018-001. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6371.
ATLAS Electron and Photon Trigger / Hoya, Joaquin (Universidad National de La Plata (UNLP))
ATLAS electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential to record signals for a wide variety of physics: from Standard Model processes to searches for new phenomena. [...]
ATL-DAQ-PROC-2018-020. - SISSA, 2018-12-21. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6372.
Measurements of Single Top-Quark Production Using the ATLAS Detector at the LHC / Mergelmeyer, Sebastian (Humboldt University Berlin)
Recent measurements of the production of single top quarks in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}\!=\!13\,\mathrm{TeV}$ are presented. [...]
ATL-PHYS-PROC-2018-095. - SISSA, 2018-09-17. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6373.
Tracking, alignment and b-tagging performance and prospects in with the ATLAS detector / Styles, Nicholas Adam (DESY, Hamburg and Zeuthen)
Procedures employed for the reconstruction of charged particle tracks used by the ATLAS experiment are outlined, and their performance in recent LHC Run 2 data is discussed, with focus on aspects such as the stability with respect to time and instantaneous luminosity, and performance within high-$p_T$ jets. [...]
ATL-PHYS-PROC-2018-094. - SISSA, 2018-09-20. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6374.
Performance of the ATLAS Hadronic Tile Calorimeter / Van Daalen, Tal Roelof (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain)
The Tile Calorimeter (TileCal) of the ATLAS experiment at the LHC is the central hadronic calorimeter designed for the reconstruction of hadrons, jets, hadronically decaying tau leptons and missing transverse momentum. [...]
ATL-TILECAL-PROC-2018-012. - SISSA, 2018-12-21. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6375.
Search for pair- and single-production of vector-like quarks in final states with at least one $Z $ boson decaying into a pair of electrons or muons in $pp $ collision data collected with the ATLAS detector at $\sqrt{s}=13\,$TeV / Freundlich, Elena Murielle (Fakultaet Physik, Technische Universitaet Dortmund, Dortmund)
A search for pair- and single-production of vector-like quarks $T$ and $B$ with a leptonically decaying $Z$ boson is presented. [...]
ATL-PHYS-PROC-2018-093. - SISSA, 2018-12-21. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6376.
Search for new physics in final states with leptons with ATLAS / Okumura, Yasuyuki (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
One of the main goals in the physics program of the ATLAS experiment at Large Hadron Collider is to discover hints for extensions to the Standard Model. [...]
ATL-PHYS-PROC-2018-092. - SISSA, 2018-09-03. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6377.
New results for exotic quarkonia and heavy flavour with ATLAS / Carli, Ina (Charles U.)
The measurements of production and properties of heavy flavoured hadrons can be used to probe our understanding of quantum chromodynamics and to search for physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2018-110. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6378.
Calibration of the ATLAS $b$-tagging algorithm in $t\bar{t}$ semi-leptonic events
The calibration of the ATLAS $b$-tagging algorithm in environments characterised by large jet multiplicity is presented. [...]
ATLAS-CONF-2018-045. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6379.
Search for charged lepton-flavour violation in top-quark decays at the LHC with the ATLAS detector
A direct search for charged lepton-flavour violation in top-quark decays is presented. [...]
ATLAS-CONF-2018-044. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6380.
Recent highlights in top quark and Higgs boson physics from the LHC / Goncalo, Ricardo (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisboa)
The LHC represents the current energy frontier in collider experiments. [...]
ATL-PHYS-PROC-2018-109. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6381.
Top quark pair-production cross-section measurements with the ATLAS detector / Bartos, Pavol (Comenius University)
Measurements of the inclusive and differential top-quark pair cross sections in proton-proton collisions at both 8 and 13 TeV with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2018-108. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6382.
Combination of searches for Higgs boson pairs in $pp$ collisions at 13 TeV with the ATLAS experiment.
This note presents a combination of searches for Higgs boson pairs using up to 36.1 fb$^{-1}$ of proton--proton collision data at a centre-of-mass energy $\sqrt{s} = 13$ TeV recorded with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2018-043. - 2018. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6383.
ATLAS search for dark matter produced in association with a hadronically decaying vector boson / Wang, Wei (Nanjing University)
In this report we present the latest results from the ATLAS experiment on the search of dark matter production in association with a hardronically decaying vector boson. [...]
ATL-PHYS-PROC-2018-107. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6384.
Jets plus $\gamma$/Z in ATLAS / Giacobbe, Benedetto (Universita e INFN, Bologna)
Recent measurements performed by ATLAS involving the associated production of jets with prompt photons or the Z-boson in proton-proton collisions at \sqrt = 13 TeV are presented. [...]
ATL-PHYS-PROC-2018-106. - SISSA, 2018-12-21. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6385.
Quarkonia Produced in Heavy Ions from the ATLAS Experiment / Santos, Helena (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisboa)
The observed quarkonia states in heavy ion collisions provide a powerful tool to probe the dynamics of the Quark Gluon Plasma. [...]
ATL-PHYS-PROC-2018-105. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6386.
Recursive engagement: the public as data analysts and outreach creators / Kalderon, Charles William (Lunds universitet, Fysiska institutionen)
Two recent outreach projects are making use of public communities to enhance and build upon the first phases set up by physicists. [...]
ATL-OREACH-PROC-2018-003. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6387.
Probing QCD with the ATLAS Detector / Kulchitsky, Yuri (Institute of Physics, National Academy of Sciences)
Perturbative QCD calculations at next-to-next-to leading order (NNLO) are available for many processes since several years and can be rigorously tested with a large variety of final states. [...]
ATL-PHYS-PROC-2018-104. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6388.
Search for pairs of highly collimated groupings of photons at 13 TeV with the ATLAS detector / Kano, Yuya (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
A search for a new scalar resonance particle decaying to a pair of photon-jets—collimated groupings of photons—is performed with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2018-103. - SISSA, 2018-12-21. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6389.
Searches for Higgs boson pair production with ATLAS / Ferrari, Arnaud (Uppsala University, Department of Physics and Astronomy)
The search for Higgs boson pair ($HH$) production is at the core of the ATLAS experimental program, as it probes the Brout-Englert-Higgs mechanism, as well as new physics beyond the Standard Model. [...]
arXiv:1809.08870 ; CIPANP2018-Ferrari ; ATL-PHYS-PROC-2018-117. - 2018. - 12 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6390.
Jet Substructure Measurements Sensitive to Soft QCD effects with the ATLAS Detector / Chiodini, Gabriele (INFN Lecce and Universita del Salento, Dipartimento di Matematica e Fisica)
Jet substructure observables are powerful tools for the identification of boosted heavy particles and for probing QCD at different energy scales in proton-proton collisions at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2018-116. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6391.
Measurements of the production of W/Z boson in association with (heavy flavour) jets with the ATLAS / Vittori, Camilla (Universita e INFN, Bologna)
The production of jets in association with a W or a Z boson in proton-proton collision is an important process to study QCD in multi-scale environments. [...]
ATL-PHYS-PROC-2018-115. - SISSA, 2018-12-21. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6392.
Search for dark matter produced in association with a hadronically decaying Z’ vector boson with the ATLAS detector at the LHC / Gadow, Paul Philipp (Max-Planck-Institut fuer Physik)
A search for dark matter pair production in association with a $Z'$ boson is performed using 36.1$\,$fb$^{-1}$ of LHC $pp$ collision data at $\sqrt{s} = 13\,$TeV recorded with the ATLAS detector.Events are characterised by large missing transverse momentum and a hadronically decaying vector boson reconstructed as either a pair of small-radius jets, or as a single large-radius jet with a two-body decay substructure.Results are interpreted in terms of simplified models which describe the interaction of dark matter and Standard Model particles..
ATL-PHYS-PROC-2018-114. - SISSA, 2018-12-21. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6393.
Latest results on single electroweak boson production from ATLAS experiment / Kivernyk, Oleh (LAPP, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS/IN2P3, Annecy)
We present the results on the latest measurements of single electroweak boson production performed with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2018-113. - 2018-09-24. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6394.
Measurements and Searches of Higgs boson decays to two fermions / Masubuchi, Tatsuya (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
The interaction of the Higgs boson to fermion is most fragile part in the Standard model. [...]
ATL-PHYS-PROC-2018-112. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6395.
Luminosity Measurements in ATLAS and CMS during pp data taking at LHC / Valentinetti, Sara (Universita e INFN, Bologna)
The luminosity measurements performed by ATLAS and CMS are described together with their dominant systematics
ATL-FWD-PROC-2018-004. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6396.
Search for top quark decays t\rightarrowHq with 36 fb^{−1} of pp collision data at \sqrt{s} = 13 TeV with the ATLAS detector
A search for flavour-changing neutral current decays of a top quark into an up-type quark ($q=u, c$) and the Standard Model Higgs boson, $t\to Hq$, is presented. [...]
ATLAS-CONF-2018-049. - 2018. - 42 p.
Original Communication (restricted to ATLAS) - Full text
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6397.
Measurements of inclusive and differential cross-sections of $t\bar{t}\gamma$ production in leptonic final states in a fiducial volume at $\sqrt{s}=13~\text{TeV}$ in ATLAS
Inclusive and differential cross-sections for the production of a top-quark pair in association with a photon are measured with proton-proton collision data corresponding to an integrated luminosity of 36.1 $fb^{-1}$, collected by the ATLAS detector at the LHC in 2015 and 2016 at a centre-of-mass energy of 13 TeV. [...]
ATLAS-CONF-2018-048. - 2018. - 46 p.
Original Communication (restricted to ATLAS) - Full text
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6398.
Measurement of the $t\bar{t}W$ and $t\bar{t}Z$ cross sections in proton–proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A measurement of the associated production of $t\bar{t}$ events with a vector boson ($W$, $Z$) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented, using 36.1 fb$^{-1}$ of integrated luminosity collected by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2018-047. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6399.
Study of the rare decays of B0s and B0 into muon pairs from data collected during 2015 and 2016 with the ATLAS detector
A study of the decays $B_s^0 \to \mu^+\mu^−$ and $B^0 \to \mu^+\mu^−$ has been performed using $26.3$~fb$^{-1}$ of $13$ TeV LHC proton-proton collisions collected with the ATLAS detector in 2015 and 2016. [...]
ATLAS-CONF-2018-046. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6400.
Probing perturbative QCD at the ATLAS experiment / Barreiro, Fernando (Madrid, Autonoma U.)
ATLAS recent results obtained at the LHC on inclusive jet and dijet production at $\sqrt{s}=13$ TeV , on transverse energy-energy correlations and on azimuthal decorrelations at $\sqrt{s}=8$ TeV are discussed. [...]
ATL-PHYS-PROC-2018-111. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6401.
Triggering on hadronic signatures in ATLAS: developments for 2017 and 2018 data / Schramm, Steven (U. Geneva (main))
The ATLAS trigger system is tasked with selecting the roughly 1000 most interesting events out of the up to 40 million LHC bunch crossings that occur every second during data-taking. [...]
ATL-DAQ-PROC-2018-021. - SISSA, 2019. - 2 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6402.
New Muon Trigger Chambers for ATLAS Phase I upgrade: DAQ system / Lasagni Manghi, Federico (Universita e INFN, Bologna)
The ATLAS muon spectrometer is an essential component of the detector, providing trigger and track reconstruction for every physics process containing high-energy muons. [...]
ATL-MUON-PROC-2018-011. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6403.
Searches for new phenomena in leptonic final states using the ATLAS detector / Rettie, Sebastien (University of British Columbia)
Many theories beyond the Standard Model predict new phenomena which decay to well isolated, high-\pt{} leptons. [...]
ATL-PHYS-PROC-2018-124. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6404.
LUCID: the ATLAS Luminosity Detector / Fabbri, Laura (Universita e INFN, Bologna)
A precise measurement of luminosity is a key component of the ATLAS program: its uncertainty is a systematics for all cross-section measurements, from Standard Model processes to new dis- coveries, and for some precise measurements it can be dominant. [...]
ATL-FWD-PROC-2018-006. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6405.
ATLAS results on quarkonia and its associated production / Bini, Cesare (INFN, Rome ; Rome U.)
Recent results from the ATLAS experiment at LHC on the inclusive production of J/$\psi$, $\psi$(2S) and $\Upsilon$(1S-3S) in pp, pPb and PbPb collisions are presented and compared to theory expectations. [...]
ATL-PHYS-PROC-2018-123. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6406.
ATLAS Forward Proton Detector / Grieco, Chiara (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain)
The purpose of the ATLAS Forward Proton (AFP) detector is to measure protons scattered at very small angles. [...]
ATL-FWD-PROC-2018-005. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6407.
Search for high-mass dimuon resonances using proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / Rettie, Sebastien (U. British Columbia (main) ; TRIUMF)
A search for new resonant high-mass phenomena in dimuon final states is presented. [...]
ATL-PHYS-PROC-2018-122. - SISSA, 2019. - 2 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6408.
Long-Lived Particles at HL-LHC with the ATLAS detector. / Sebastiani, Cristiano David (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
Several new physics models that extend the Standard Model require the existence of Long-Lived Particle (LLP) as a solution for the problems like Dark Matter and Naturalness. [...]
ATL-UPGRADE-PROC-2018-001. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6409.
Search for the SM four-top-quark production in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / Serkin, Leonid (INFN, Udine ; ICTP, Trieste)
Recently the ATLAS Collaboration carried out two searches for the Standard Model four-top-quark production in the single-lepton and opposite-sign dilepton channel, and in the same-sign dilepton and multilepton channels. [...]
ATL-PHYS-PROC-2018-121. - SISSA, 2019. - 2 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6410.
Search for charged lepton-flavour violation in top-quark decays at the LHC with the ATLAS detector / Gottardo, Carlo Alberto (University of Bonn)
A direct search for charged lepton-flavour violation in top-quark decays is presented. [...]
arXiv:1809.09048 ; ATL-PHYS-PROC-2018-120. - 2019. - 5 p.
Full text - Full text - Fulltext - Fulltext
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6411.
Machine learning at CERN: ATLAS, LHCb, and more / Schramm, Steven (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
The use of machine learning is increasing within both the ATLAS and LHCb collaborations, in terms of the number of users, the breadth of applications, and the set of different techniques under study. [...]
ATL-PHYS-PROC-2018-119. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6412.
Top quark properties and mass measurements with ATLAS / Dado, Tomas (Comenius University ; Gottingen U.)
The top quark plays a unique role among other known quarks as it decays before it forms hadronic bound states. [...]
ATL-PHYS-PROC-2018-118. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6413.
Recent results on flow and correlations from the ATLAS experiment / Trzupek, Adam (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
The azimuthal anisotropy in Xe+Xe collisions at the energy of $\sqrt{s_{\rm NN}}$ = 5.44 TeV was recently investigated in the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2018-128. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6414.
Prospects for Measurements of Photon-Induced Processes in Ultra-Peripheral Collisions of Heavy Ions with the ATLAS Detector in the LHC Runs 3 and 4
This note describes results which could be expected for measurements of photon-photon interactions in lead-lead collisions by the ATLAS experiment in the LHC Runs 3 and 4. [...]
ATL-PHYS-PUB-2018-018. - 2018. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6415.
Dijet azimuthal correlations and conditional yields in $p\!p$ and $p$+Pb collisions at $\sqrt{s_{_\text{NN}}}$~=~5.02 TeV with the ATLAS detector
This paper presents a measurement of forward--forward and forward--central dijet azimuthal angular correlations and conditional yields in proton--proton ($pp$) and proton--lead ($p$+Pb) collisions as a probe for possible gluon-density saturation in regions where the momentum fraction of a parton compared to a nucleon in the lead nucleus is low. [...]
ATLAS-CONF-2018-050. - 2018. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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6416.
Recent minimum-bias measurements by ATLAS / Wozniak, Krzysztof Wieslaw (Polish Academy of Sciences (PL))
The Large Hadron Collider provides collisions of protons and nuclei at the higest energies available in laboratory. [...]
ATL-PHYS-PROC-2018-127. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6417.
Muon Spectrometer Phase-I Upgrade for the ATLAS Experiment: the New Small Wheels project / Lefebvre, Benoit (McGill University, Department of Physics)
The instantaneous luminosity of the Large Hadron Collider at CERN will be increased by up to a factor of five to seven with respect to the design value. [...]
ATL-MUON-PROC-2018-012. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6418.
Searches for rare and non-Standard Model decays of the Higgs boson / Reynolds, Elliot (University of Birmingham)
Discovered in 2012, the Higgs boson has opened a new window on nature. [...]
arXiv:1810.00999 ; CIPANP2018-Reynolds ; ATL-PHYS-PROC-2018-126. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6419.
Search for vector-like quarks with the ATLAS Detector / McCarn Deiana, Allison (Southern Methodist U. (main))
Vector-like quarks appear in many theories beyond the Standard Model as a way to cancel the mass divergence for the Higgs boson. [...]
ATL-PHYS-PROC-2018-125. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6420.
Sim@P1 / Berghaus, Frank (University of Victoria) ; Lee, Christopher Jon (University of Cape Town) ; Brasolin, Franco (Universita e INFN, Bologna) ; Scannicchio, Diana (University of California, Irvine) ; Casteels, Kevin (University of Victoria) ; Ebert, Marcus (University of Victoria) ; Leavett-brown, Colin Roy (University of Victoria) ; Paterson, Michael (University of Victoria) ; Seuster, Rolf (University of Victoria) ; Sobie, Randall (University of Victoria)
The Simulation at Point1 (Sim@P1) project was built in 2013 to take advantage of the ATLAS Trigger and Data Acquisition High Level Trigger (HLT) farm. [...]
ATL-SOFT-PROC-2018-005. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6421.
Recent results on correlations and fluctuations in $pp$, $p$+Pb, Pb+Pb and Xe+Xe collisions from the ATLAS Experiment at the LHC / Przybycien, Mariusz (AGH-UST, Cracow)
The azimuthal anisotropies of particle yields observed in relativistic heavy-ion collisions have been traditionally considered as a strong evidence of the formation of a de-confined quark-gluon plasma produced in these collisions. [...]
ATL-PHYS-PROC-2018-133. - SISSA, 2019. - 5 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6422.
Measurements of top quark production cross-section at ATLAS / Vishwakarma, Akanksha (DESY)
Measurements of the inclusive and differential cross-sections for top-quark pair and single top production cross-sections in proton-proton collisions with the ATLAS detector at the Large Hadron Collider (LHC) are presented at centre-of-mass energies of 8 TeV and 13 TeV. [...]
ATL-PHYS-PROC-2018-132. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6423.
Spanish ATLAS Tier-1 & Tier-2 perspective on computing over the next years / ATLAS Collaboration
Since the beginning of the WLCG Project the Spanish ATLAS computing centers have participated with reliable and stable resources as well as personnel for the ATLAS Collaboration. [...]
ATL-SOFT-PROC-2018-004. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6424.
The ATLAS muon trigger / Held, Alexander (TRIUMF ; CERN)
Events containing muons in the final state are an important signature for many analyses being carried out at the Large Hadron Collider (LHC), including both standard model measurements and searches for new physics. [...]
ATL-DAQ-PROC-2018-023. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6425.
Taking Science to Festivals: Engaging the Public Where They Least Expect It / Potter, Connie (European Laboratory for Particle Physics, CERN) ; Jones, Roger (Lancaster University, Department of Physics)
Over the past several years, a team based around the ATLAS Experiment at CERN in Geneva has organised public engagement and education activities, not only at events with an explicit science mandate, such as the Bluedot Festival (at Jodrell Bank, UK), but also at a variety of non-scientific venues. [...]
ATL-OREACH-PROC-2018-004. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6426.
Searches for squarks and gluinos in final states involving dark matter candidates with ATLAS / Wahlberg, Hernan (Universidad National de La Plata (UNLP))
Despite the absence of experimental evidence, weak-scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2018-131. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6427.
Searches for sleptons with the ATLAS detector / Primavera, Margherita (INFN Lecce and Universita del Salento, Dipartimento di Matematica e Fisica)
Supersymmetry is one of the most popular extensions of the Standard Model, but no evidence supporting its validity has been observed at LHC up to date. [...]
ATL-PHYS-PROC-2018-130. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6428.
Measurement of the Higgs boson mass / Leight, William Axel (DESY)
Measurements of the Higgs boson mass in Higgs boson decays to two photons or four leptons, as well as their combination, based on pp collision data collected at 13 TeV by the ATLAS Collaboration are presented..
ATL-PHYS-PROC-2018-129. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6429.
Evaluating Kubernetes as an orchestrator of the Event Filter computing farm of the Trigger and Data Acquisition system of the ATLAS experiment at the Large Hadron Collider / Avolio, Giuseppe (CERN) ; Cadeddu, Mattia (CERN) ; Hauser, Reiner (Michigan U.)
The ATLAS experiment at the LHC relies on a complex and distributed Trigger and Data Acquisition (TDAQ) system to gather and select particle collision data. [...]
ATL-DAQ-PROC-2018-022. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6430.
First performance measurements of the Fast Tracker Real Time Processor at ATLAS / Biesuz, Nicolo Vladi (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica) ; ATLAS Collaboration
Real time track reconstruction at hadron colliders is one of the most powerful tools to select interesting events from the huge background while mitigating the effect of pile-up. [...]
ATL-DAQ-PROC-2018-028. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6431.
Input Mezzanine Board for the Fast Tracker (FTK) at ATLAS / Mitani, Takashi (Waseda University, Waseda Research Institute for Science and engineering (WISE))
At LHC Run 2, which started operation in June 2015 at a center-of-mass energy of 13 TeV, the peak luminosity has exceeded 210^{34} cm^{-2}s^{-1} and the LHC produce an average of 60 simultaneous collisions. [...]
ATL-DAQ-PROC-2018-027. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6432.
Search for Anomalies in the Computational Jobs of the ATLAS Experiment with the Application of Visual Analytics / Grigoryeva, Maria (CERN Tier-0) ; Korchuganova, Tatiana (CERN Tier-0) ; Titov, Mikhail (NRC Kurchatov Institute Tier site) ; Alekseev, Aleksandr (CERN Tier-0)
ATLAS is the largest experiment at the LHC. [...]
ATL-SOFT-PROC-2018-008. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6433.
An updated design of the read out link and control board for the Phase-2 upgrade of the ATLAS Tile Calorimeter. / Valdes Santurio, Eduardo (Stockholm University) ; Silverstein, Samuel (Stockholm University) ; Bohm, Christian (Stockholm University)
The ATLAS hadronic Tile Calorimeter (TileCal) is being upgraded for the High Luminosity Large Hadron Collider (HL-LHC). [...]
ATL-TILECAL-PROC-2018-015. - 2018. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6434.
ATLAS Tile Calorimeter Link Daughter Board. / Valdes Santurio, Eduardo (Stockholm University) ; Silverstein, Samuel (Stockholm University) ; Bohm, Christian (Stockholm University)
We have developed an updated DaughterBoard design for control and readout of the upgraded ATLAS hadronic Tile Calorimeter electronics for HL-LHC. [...]
ATL-TILECAL-PROC-2018-014. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6435.
ATLAS Phase-II-Upgrade Pixel Demonstrator Read-out / Buschmann, Eric (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
The ATLAS tracking system will be replaced by the all-silicon inner-tracker (ITk) consisting of pixels and strips in the course of the HL-LHC upgrade until 2026. [...]
ATL-ITK-PROC-2018-014. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6436.
ATLAS Software Installation on Supercomputers / Undrus, Alexander (Brookhaven National Laboratory (BNL))
PowerPC and high-performance computers (HPC) are important resources for computing in the ATLAS experiment. [...]
ATL-SOFT-PROC-2018-007. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6437.
FELIX: developing a new detector interface for ATLAS trigger and readout / ATLAS TDAQ Collaboration
Starting during the upcoming major LHC shutdown (2019-2021), the ATLAS experiment at CERN will move to the Front-End Link eXchange (FELIX) system as the interface between the data acquisition system and the trigger and detector front-end electronics. [...]
ATL-DAQ-PROC-2018-026. - 2018. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6438.
Searches for Physics Beyond the Standard Model with the ATLAS detector at LHC / Battaglia, Marco (Santa Cruz Institute for Particle Physics, University of California Santa Cruz)
This contribution discusses in brief recent results for the search for new physics beyond the Standard Model obtained by the ATLAS experiment with the analysis of up to 80~fb$^{-1}$ of 13~TeV LHC data. [...]
ATL-PHYS-PROC-2018-136. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6439.
A collaborative HDL management tool for ATLAS L1Calo upgrades / Gonnella, Francesco (University of Birmingham)
Coordinating firmware development among many international collaborators is becoming a very widespread problem in particle physics. [...]
ATL-DAQ-PROC-2018-025. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6440.
Results on resonance production in heavy-ion collisions from the ATLAS experiment at the LHC / Kremer, Jakub Andrzej (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Recent ATLAS measurements of quarkonia and open charm production are presented for proton-lead and lead-lead collisions. [...]
ATL-PHYS-PROC-2018-135. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6441.
Highlights of top-quark properties measurements at ATLAS / Melini, Davide (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The top-quark is a fundamental particle of the Standard Model (SM) and plays an important role in Beyond the SM (BSM) scenarios. [...]
ATL-PHYS-PROC-2018-134. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6442.
The future of distributed computing systems in ATLAS: Boldly venturing beyond grids / ATLAS Collaboration
Since 2010 the Production and Distributed Analysis system (PanDA) for the ATLAS experiment at the Large Hadron Collider has seen big changes to accommodate new types of distributed computing resources: clouds, HPCs, volunteer computers and other external resources. [...]
ATL-SOFT-PROC-2018-006. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6443.
Level-1 Calorimeter Trigger: From Virtex-7 to UltraScale+ / Weirich, Marcel (Mainz U., Inst. Phys.)
With the restart of the LHC in 2021 the ATLAS experiment has to cope with high-luminosity beams. [...]
ATL-DAQ-PROC-2018-024. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6444.
Remote data access in computational jobs on the ATLAS data grid / Begy, Volodimir (CERN ; U. Vienna (main)) ; Barisits, Martin-Stefan (CERN) ; Lassnig, Mario (CERN) ; Schikuta, Erich (U. Vienna (main))
This work describes the technique of remote data access from computational jobs on the ATLAS data grid. [...]
ATL-SOFT-PROC-2018-013. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6445.
Highlights of top quark production measurements at ATLAS / Honda, Shunsuke (Division of Physics and Tomonaga Center for the History of the Universe, Faculty of Pure and Applied Sciences)
Measurements of top-quark production have been performed in various modes with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2018-141. - 2018. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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6446.
Virtual Reality and game engines for interactive data visualization and event displays in HEP, an example from the ATLAS experiment / Bianchi, Riccardo-Maria (University of Pittsburgh) ; Adam Bourdarios, Claire (Centre National de la Recherche Scientifique (FR)) ; Hovdesven, Michael (European Laboratory for Particle Physics, CERN) ; Vukotic, Ilija (University of Chicago, Enrico Fermi Institute) - Main author Main author Main author
Interactive 3D data visualization plays a key role in HEP experiments, as it is used in many tasks at different levels of the data chain. [...]
ATL-SOFT-PROC-2018-012. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6447.
Measurement of production cross sections and coupling properties of the Higgs boson in decays to two photons using the ATLAS detector / Mijovic, Liza (Edinburgh U.)
This report summarizes the results of the measurement of production cross sections and coupling properties of the Higgs boson in decays to two photons. [...]
ATL-PHYS-PROC-2018-140. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6448.
The ATLAS Access Manager Policy Browser: state-of-the-art web technologies for a rich and interactive data visualization experience / Soloviev, Igor (UC, Irvine) ; Perrin, Sami (CERN) ; Avolio, Giuseppe (CERN)
The ATLAS experiment is operated daily by many users and experts working concurrently on several aspects of the detector. [...]
ATL-DAQ-PROC-2018-029. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6449.
Conditions DataHandling in the Multithreaded ATLAS Framework / Leggett, Charles (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Shapoval, Illya (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Snyder, Scott (Brookhaven National Laboratory (BNL)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley)
In preparation for Run 3 of the LHC, the ATLAS experiment is migrating its offline software to use a multithreaded framework, which will allow multiple events to be processed simultaneously. [...]
ATL-SOFT-PROC-2018-011. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6450.
ATLAS sensitivity to top squark pair production at the HL-LHC
This document summarises the expected ATLAS sensitivity to stops with 3 ab$^{-1}$ of $\sqrt{s} = 14$ TeV proton-proton collisions collected at the HL-LHC. [...]
ATL-PHYS-PUB-2018-021. - 2018. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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6451.
Data Acquisition and Software for the ATLAS Tile Calorimeter Phase-II Upgrade Demonstrator / Yue, Xiaoguang (Kirchhoff-Institut f\"{u}r Physik)
After a series of upgrades, the High Luminosity LHC (HL-LHC) will have an instantaneous luminosity of 5-7 times larger than the LHC design value. [...]
ATL-TILECAL-PROC-2018-016. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6452.
Performance and impact of dynamic data placement in ATLAS / Maier, Thomas (LMU Munich (main)) ; Beermann, Thomas Alfons (Innsbruck U.) ; Duckeck, Guenter (LMU Munich (main)) ; Lassnig, Mario (CERN) ; Legger, Federica (LMU Munich (main) ; INFN, Turin) ; Vukotic, Ilija (U. Chicago (main)) ; Magoni, Matteo (Polytech. Turin)
For high-throughput computing the efficient use of distributed computing resources relies on an evenly distributed workload, which in turn requires wide availability of input data that is used in physics analysis. [...]
ATL-SOFT-PROC-2018-010. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6453.
Control and Monitoring for a serially powered pixel demonstrator for the ATLAS Phase II upgrade / Lehmann, Niklaus (Bergische Universitaet Wuppertal)
The Inner Tracker (ITk) is a new all silicon detector under development for the ATLAS Phase-II upgrade and will operate at the High Luminosity LHC. [...]
ATL-ITK-PROC-2018-016. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6454.
Measurement of long-range azimuthal correlations in proton-proton and proton-lead collisions with ATLAS / Behera, Arabinda (Stony Brook University)
Measurement of correlations between two flow harmonics using four-particle symmetric and three-particle asymmetric cumulants are presented with the ATLAS detector in different collision systems - pp, p+Pb, and Pb+Pb to probe the long-range collective nature of particle production in small systems. [...]
ATL-PHYS-PROC-2018-139. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6455.
Electron and photon energy measurement calibration with the ATLAS detector / Morgenstern, Stefanie (Institut fuer Kern- und Teilchenphysik, Technische Universitaet Dresden)
An accurate calibration of the energy measurement of electrons and photons is needed for many ATLAS physics analyses. [...]
ATL-PHYS-PROC-2018-138. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6456.
Searches for heavy resonances decaying to top quarks with the ATLAS detector / Fassi, Farida (Rabat U.)
Searches for new resonances that decay either to pairs of top quarks or a top and a b-quark will be presented. [...]
ATL-PHYS-PROC-2018-137. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6457.
Overview of the ATLAS distributed computing system / Elmsheuser, Johannes (Brookhaven Natl. Lab.) ; Di Girolamo, Alessandro (CERN)
The CERN ATLAS experiment successfully uses a worldwide computing infrastructure to support the physics program during LHC Run 2. [...]
ATL-SOFT-PROC-2018-009. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6458.
Projections for ATLAS Measurements of Bulk Properties of Pb+Pb, $p$+Pb, and $pp$ Collisions in LHC Runs 3 and 4
This note describes expected ATLAS measurements of bulk and flow properties of dense nuclear matter measured in heavy-ion collisions (AA and pA) in LHC Runs 3 and 4. [...]
ATL-PHYS-PUB-2018-020. - 2018. - 15p.
Original Communication (restricted to ATLAS) - Full text
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6459.
Projections for ATLAS Measurements of Jet Modifications in Pb+Pb Collisions in LHC Runs 3 and 4
The primary goal of the heavy ion program at ATLAS is to study the properties of the deconfined, strongly interacting matter, the quark-gluon plasma (QGP). [...]
ATL-PHYS-PUB-2018-019. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6460.
Investigations into the effect of gamma irradiation on the leakage current of 130-nm readout chips for the ATLAS ITk strip detector / Woelker, Ricardo (University of Oxford, Particle Physics) ; Sawyer, Craig (Rutherford Appleton Laboratory)
Central to the design of any detector system is a detailed understanding of the current and power dissipation due to the implications on power supply design, thermal management and mechanical stability. [...]
ATL-ITK-PROC-2018-015. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6461.
AREUS - a software framework for ATLAS Readout Electronics Upgrade Simulation / Madysa, Nico (Institut fuer Kern- und Teilchenphysik, Technische Universitaet Dresden)
The design of readout electronics for the LAr calorimeters of the ATLAS detector to be operated at the future High-Luminosity LHC (HL-LHC) requires a detailed simulation of the full readout chain in order to find optimal solutions for the analog and digital processing of the detector signals. [...]
ATL-LARG-PROC-2018-008. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6462.
ATLAS sensitivity to Two-Higgs-Doublet models with an additional pseudoscalar exploiting four top quark signatures with 3ab$^{-1}$ of $\sqrt{s}=14$ TeV proton-proton collisions
This document summarises the expected ATLAS sensitivity to four top-quark signatures in models involving two Higgs doublets and an additional pseudo-scalar mediator that couples to dark matter particles. [...]
ATL-PHYS-PUB-2018-027. - 2018. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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6463.
Prospects for the measurement of the W-boson mass at the HL- and HE-LHC
This note evaluates the potential of a dedicated dataset collected at low instantaneous luminosity and moderate pile-up for the measurement of the W-boson mass at the HL-LHC. [...]
ATL-PHYS-PUB-2018-026. - 2018. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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6464.
Topological $b$-hadron decay reconstruction and identification of $b$-jets with the JetFitter package in the ATLAS experiment at the LHC
The identification of jets containing heavy flavour hadron decays, in particular $b$ jets, plays a major role in the LHC physics program. [...]
ATL-PHYS-PUB-2018-025. - 2018. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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6465.
Integrating a dynamic data federation into the ATLAS distributed data management system / Berghaus, Frank (U. Victoria (main)) ; Wegner, Tobias Thomas (CERN) ; Lassnig, Mario (CERN) ; Ebert, Marcus (U. Victoria (main)) ; Serfon, Cedric (Oslo U.) ; Fernandez Galindo, Fernando (TRIUMF) ; Seuster, Rolf (U. Victoria (main)) ; Garonne, Vincent (CERN) ; Tafirout, Reda (TRIUMF) ; Sobie, Randall (U. Victoria (main))
Input data for applications that run in cloud computing centres can be stored at remote repositories, typically with multiple copies of the most popular data stored at many sites. [...]
ATL-SOFT-PROC-2018-015. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6466.
ATLAS grid workflow performance optimization / Elmsheuser, Johannes (Brookhaven Natl. Lab.) ; Di Girolamo, Alessandro (CERN) ; Limosani, Antonio (U. Sydney (main)) ; Schulz, Markus (CERN) ; Sciaba, Andrea (CERN) ; Valassi, Andrea (CERN) ; Filipcic, Andrej (Stefan Inst., Ljubljana) ; Smith, David (CERN)
The CERN ATLAS experiment grid workflow system manages routinely 250 to 500 thousand concurrently running production and analysis jobs to process simulation and detector data. [...]
ATL-SOFT-PROC-2018-014. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6467.
The ATLAS trigger menu design for higher luminosities in Run 2 / Montejo Berlingen, Javier (CERN)
ATLAS utilizes a two-level trigger system in Run-2 to reduce the bunch-crossing rate of 40 MHz to an average recording rate of about 1 kHz. [...]
ATL-DAQ-PROC-2018-030. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6468.
Prospects for a search of invisible particles produced in association with single-top quarks with the ATLAS detector at the HL-LHC
The expected sensitivity of a search for events with one top quark and large missing transverse momentum is estimated using simulated proton–proton collisions at a centre-of-mass energy of 14 TeV with the ATLAS experiment at the HL-LHC. [...]
ATL-PHYS-PUB-2018-024. - 2018. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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6469.
Prospective study of vector boson scattering in WZ fully leptonic final state at HL-LHC
Prospects are presented for measuring at HL-LHC in ATLAS phase II, the electroweak production of WZ in fully leptonic final state. [...]
ATL-PHYS-PUB-2018-023. - 2018. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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6470.
HL-LHC prospects for diboson resonance searches and electroweak vector boson scattering in the $WW/WZ\to\ell\nu qq$ final state
This note presents the prospects of searches for new heavy resonances decaying to dibosons ($WW/WZ$) and measurements of electroweak $WW/WZ$ production via vector boson scattering in association with a high-mass dijet system in the $\ell\nu qq$ final states. [...]
ATL-PHYS-PUB-2018-022. - 2018. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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6471.
Probing perturbative QCD with the ATLAS detector / Callea, Giuseppe (University of Glasgow, SUPA - School of Physics and Astronomy)
This contribution gives an overview of the recent measurements of the differential cross sections for final states involving photons and/or jets at the centre-of-mass energies of 8 and 13 TeV, published by the ATLAS Collaboration. [...]
ATL-PHYS-PROC-2018-142. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6472.
A High Granularity Timing Detector for the Phase-2 Upgrade of the ATLAS Experiment: Detector concept, R&D, and first test beam results / Schwartzman, Ariel (SLAC National Accelerator Laboratory)
The expected increase of the particle flux at the high luminosity phase of the LHC (HL-LHC) with instantaneous luminosities up to {$ L =7.5 \times 10^{34} cm^{-2} s^{-1}$} will have a severe impact on the ATLAS detector performance. [...]
ATL-LARG-PROC-2018-011. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6473.
Top quark properties measurements with the ATLAS detector / Peters, Reinhild Yvonne (U. Manchester (main))
The top quark, discovered in 1995 by the CDF and D0 experiments at the Fermilab's Tevatron proton-antiproton collider, is the heaviest known elementary particle today. [...]
ATL-PHYS-PROC-2018-152. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6474.
Trigger Information Data Flow for the ATLAS EventIndex / Mineev, Mikhail (Joint Institute for Nuclear Research) ; Prokoshin, Fedor (Universidad Tecnica Federico Santa Maria) ; Iakovlev, Alexander (Joint Institute for Nuclear Research)
The trigger information is an important part of the ATLAS event data. [...]
ATL-SOFT-PROC-2018-020. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6475.
LUCID: The ATLAS Luminosity Detector / Lasagni Manghi, Federico (INFN, Bologna ; Bologna U.)
The LUCID detector is the main luminosity provider of the ATLAS experiment and the only one able to provide a reliable luminosity determination in all beam configurations, luminosity ranges and at bunch-crossing level. [...]
ATL-FWD-PROC-2018-008. - SISSA, 2019. - 6 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6476.
The ATLAS BigPanDA Monitoring System Architecture / Korchuganova, Tatiana (CERN Tier-0) ; Padolski, Siarhei (Brookhaven National Laboratory (BNL)) ; Wenaus, Torre (Brookhaven National Laboratory (BNL)) ; Alekseev, Aleksandr (CERN Tier-0) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL))
Currently-running large-scale scientific projects involve unprecedented amounts of data and computing power. [...]
ATL-SOFT-PROC-2018-019. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6477.
Searches for heavy neutrinos with the ATLAS detector / Sioli, Maximiliano (INFN, Bologna ; Bologna U.)
Multiple theories beyond the Standard Model predict the existence of heavy Majorana or Dirac neutrinos. [...]
ATL-PHYS-PROC-2018-151. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6478.
Study of the $H \rightarrow \tau \tau$ decay channel with ATLAS / Mlynarikova, Michaela (Charles U.)
After the discovery of the Higgs boson, the precision measurements of its properties and the comparison with the Standard Model (SM) predictions became the crucial part of the Large Hadron Collider (LHC) physics programme. [...]
ATL-PHYS-PROC-2018-150. - SISSA, 2019. - 2 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6479.
Measurement of production cross sections of the Higgs boson in decays to two W bosons using the ATLAS detector / Duda, Dominik (Munich, Max Planck Inst.)
This proceedings presents the latest measurements of the Higgs boson production cross sections times branching ratio in the $H\rightarrow WW^{*}\rightarrow \ell\nu\ell\nu$ decay mode for the three most dominant production processes of the Higgs boson: gluon-gluon fusion, vector boson fusion and the associated production of a vector boson and a Higgs boson. [...]
ATL-PHYS-PROC-2018-149. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6480.
Measurements of Higgs boson properties using a combination of different Higgs decay channels / Morange, Nicolas (Orsay, LAL)
Six years after the first observation of the Higgs boson, the exploration of the Higgs sector of the Standard Model lagrangian remains at full swing. [...]
ATL-PHYS-PROC-2018-148. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6481.
Constraints on mediator-based dark matter models using $\sqrt s = 13$ TeV $pp$ collisions at the LHC with the ATLAS detector
Constraints on selected mediator-based dark matter models using $\sqrt s = 13$~TeV $pp$ collisions collected by the ATLAS detector during the years 2015-2016 are summarised in this note. [...]
ATLAS-CONF-2018-051. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6482.
Front-End and Back-End Electronics for the ATLAS New Small Wheel Upgrade / Bakalis, Christos (National Technical University of Athens)
The upgrades of the Large Hadron Collider (LHC) at CERN and the experiments in 2019/20 and 2024/26 will allow to increase the instantaneous luminosity. [...]
ATL-MUON-PROC-2018-015. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6483.
Measuring precisely luminosity at LHC using the ATLAS LUCID: past experience and future plans / Bruschi, Marco (Universita e INFN, Bologna)
The ATLAS luminosity monitor, LUCID, has many innovative aspects implemented. [...]
ATL-FWD-PROC-2018-007. - 2018.
Original Communication (restricted to ATLAS) - Full text - Full text
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6484.
Reconstruction Techniques in Supersymmetry Searches / Hodgkinson, Mark (University of Sheffield)
Many supersymmetric scenarios feature final states with non-standard final state objects. [...]
ATL-PHYS-PROC-2018-147. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6485.
Search for additional neutral Higgs bosons in the MSSM / Tanaka, Junichi (Tokyo U., ICEPP)
Two searches for neutral heavy Higgs: $H/A \rightarrow \tau\tau$ and $A \rightarrow Zh, h \rightarrow b\bar{b}$ are presented with 36.1 fb$^{-1}$ of data at $\sqrt{s} = 13$ TeV recorded by the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2018-146. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6486.
ATLAS Calorimeter system: Run-2 performance, Phase-1 and Phase-2 upgrades / Staerz, Steffen (McGill University, Department of Physics)
The ATLAS detector was designed and built to study proton-proton collisions produced at the LHC at centre-of-mass energies up to 14 TeV and instantaneous luminosities up to 10^{34} cm^{−2} s^{−1}. [...]
ATL-LARG-PROC-2018-010. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6487.
ATLAS measurements of CP Violation and Rare decays in Beauty mesons / Ibragimov, Iskander (Department Physik, Universitaet Siegen)
In the beauty sector ATLAS performs searches for New Physics (NP) effects by precisely measuring CP-violating parameters in the $B^0_s \to J/\psi \, \phi$ decay, branching fractions of very rare decays like $B_{(s)}^0 \to \mu^+\mu^-$ and angular distributions of rare processes like $b \to s\,\mu^+\mu^-$. [...]
ATL-PHYS-PROC-2018-145. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6488.
The ATLAS Trigger in 2017 and 2018: Developments and performance / Zanzi, Daniele (CERN)
The ATLAS Trigger system has been operating successfully during LHC Run-2, between 2015 and 2018. [...]
ATL-DAQ-PROC-2018-031. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6489.
The Micromegas Construction Project For the ATLAS New Small Wheel / Kourkoumeli-Charalampidi, Athina (INFN Pavia and Universita' di Pavia, Dipartimento di Fisica)
Large scale Micromegas (Micro mesh gaseous structure) detectors will be installed as part of the upgrade of the ATLAS innermost layer of the muon spectrometer end-cap regions, known as new the small wheel (NSW), in order to cope with the high radiation environment expected from the Run III onwards while providing tracking capabilities with high spatial resolution. [...]
ATL-MUON-PROC-2018-014. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6490.
Measurement of cross sections and properties of the Higgs boson in decays to four leptons using the ATLAS detector / Kortner, Oliver (Munich, Max Planck Inst.)
The analysis of the production of the Higgs boson at CERN's Large Hadron Collider provides sensitivity to the couplings of the Higgs boson to Standard Model particles and to contributions from physics beyond the Standard Model of electroweak interactions. [...]
ATL-PHYS-PROC-2018-144. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6491.
Support system for ATLAS distributed computing operations / Kishimoto, Tomoe (Tokyo U., ICEPP)
The ATLAS distributed computing system has allowed the experiment to successfully meet the challenges of LHC Run 2. [...]
ATL-SOFT-PROC-2018-018. - SISSA, 2019. - 2 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6492.
Search for New Physics through the Reconstruction of Challenging Signatures with the ATLAS detector / Testa, Marianna (INFN e Laboratori Nazionali di Frascati)
Many theories of beyond the Standard Model (BSM) physics predict unique signatures which are difficult to reconstruct and the background rates are also a challenge [...]
ATL-PHYS-PROC-2018-143. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6493.
ATLAS Open Data project: HEP for everyone / Evans, Meirin Oan (U. Manchester (main))
We explore the many ways that public High Energy Physics resources are employed to teach and outreach particle physics and computer science. [...]
ATL-OREACH-PROC-2018-005. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6494.
The Phase-I Trigger Readout Electronics Upgrade of the ATLAS Liquid Argon Calorimeters / Uno, Kenta (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
Electronics developments have been pursued for the trigger readout of the ATLAS Liquid-Argon Calorimeter, which measures the energy of particles, towards the Phase-I upgrade scheduled in the LHC shutdown period of 2019-2020. [...]
ATL-LARG-PROC-2018-009. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6495.
ATLAS ITk Strip Detector for High-Luminosity LHC / Stucci, Stefania Antonia (Brookhaven National Laboratory (BNL))
The ATLAS experiment is currently preparing for an upgrade of the inner tracking for High-Luminosity LHC operation, scheduled to start in 2026. [...]
ATL-ITK-PROC-2018-017. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6496.
The Micromegas detector for the upgrade of the Muon Spectrometer of the ATLAS Experiment / Vannicola, Damiano (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
In the next years, the LHC accelerator will be upgraded with an increase of instantaneous and integrated luminosity, so that the particle rate will drastically increase. [...]
ATL-MUON-PROC-2018-013. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6497.
The ATLAS EventIndex and its evolution based on Apache Kudu storage / ATLAS Collaboration
The ATLAS experiment produced hundreds of petabytes of data and expects to have one order of magnitude more in the future. [...]
ATL-SOFT-PROC-2018-017. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6498.
Data Knowledge Base for the ATLAS community / Golosova, Marina (CERN Tier-0) ; Grigoryeva, Maria (CERN Tier-0) ; Aulov, Vasilii (NRC Kurchatov Institute Tier site) ; Kaida, Anastasiia (NRC Kurchatov Institute Tier site)
ATLAS experiment at the CERN LHC is one of the most data‑intensive modern scientific apparatus. [...]
ATL-SOFT-PROC-2018-016. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6499.
ATLAS sensitivity to winos and higgsinos with a highly compressed mass spectrum at the HL-LHC
This note presents the prospects of two searches for direct chargino and neutralino production ($\tilde{\chi}_{1}^{\pm}\tilde{\chi}_{1}^{\pm}$, $\tilde{\chi}_{1}^{\pm}\tilde{\chi}_{2}^{0}$ and $\tilde{\chi}_{1}^{\pm}\tilde{\chi}_{1}^{0}$), in highly compressed mass scenarios, in proton-proton collisions at a centre-of-mass energy of 14$\mathrm{TeV}$. [...]
ATL-PHYS-PUB-2018-031. - 2018. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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6500.
Prospect studies for the production of three massive vector bosons with the ATLAS detector at the High-Luminosity LHC
This document presents prospects for the expected ATLAS sensitivity to the production of three massive vector bosons $WWW$, $WWZ$ and $WZZ$ at $\sqrt{s}$ = 14 TeV at the High-Luminosity Large Hadron Collider with 3000 fb$^{-1}$ and 4000 fb$^{-1}$. [...]
ATL-PHYS-PUB-2018-030. - 2018. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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6501.
Prospect study of electroweak production of a $Z$ boson pair plus two jets at the HL-LHC
This note summarizes the prospect study for the electroweak production of a $Z$ boson pair plus two jets at the high-luminosity LHC in the four-lepton channel, using 3000 $fb^{-1}$ of simulated pp collisions at a centre-of-mass energy of 14 TeV, to be recorded by the ATLAS detector at the HL-LHC. [...]
ATL-PHYS-PUB-2018-029. - 2018.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
6502.
ATLAS
 results and prospects with focus on beyond the Standard Model / Masetti, Lucia (Institut fuer Physik, Universitaet Mainz)
A summary of results relevant for searches of phenomena beyond the Standard Model (SM) obtained by the ATLAS experiment at the LHC is presented. [...]
ATL-PHYS-PROC-2018-160. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6503.
The design and layout of the Phase-II upgrade of the Inner Tracker of the ATLAS experiment. / Costanza, Francesco (LAPP, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS/IN2P3, Annecy)
In the high luminosity era of the Large Hadron Collider (HL-LHC), the instantaneous luminosity is expected to reach unprecedented values, resulting in about 200 proton-proton interactions in a typical bunch crossing. [...]
ATL-ITK-PROC-2018-018. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6504.
Searches for additional charged Higgs bosons in the MSSM / Mir, Lluisa-Maria (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain)
Searches for a charged Higgs boson in various decay channels using 36.1 ifb of pp collision data at a centre-of-mass energy of 13 TeV collected with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2018-159. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6505.
Search for dark matter production in association with a hadronically decaying vector boson in pp collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector at LHC / Parida, Bibhuti (Tomsk State U.)
A search for dark matter (DM) particles production in association with a hadronically decaying W/Z/Z$^{\prime}$ with 36.1$\rm fb^{-1}$ of pp collision data at a center-of-mass energy of $\sqrt{s}$ = 13 TeV recorded by the ATLAS detector is presented. [...]
ATL-PHYS-PROC-2018-158. - SISSA, 2019. - 2 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6506.
Measurements of Higgs-boson decays to leptons with the ATLAS detector / Schildgen, Lara Katharina (University of Bonn)
Since its discovery in 2012, the Higgs boson has served as an important probe for precision measurements of the Standard Model and for searches for new physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2018-157. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6507.
Searches for high-mass resonances decaying to pairs of bosons using the ATLAS detector / Grevtsov, Kirill (DESY)
Several beyond the Standard Model theories predict the existence of new heavy particles decaying into pairs of gauge bosons. [...]
ATL-PHYS-PROC-2018-156. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - Fulltext from publisher - Full text - Full text
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6508.
Searches for non-Standard Model decays to two light bosons of the Higgs boson / Schwartzman, Ariel (SLAC National Accelerator Laboratory)
Theories beyond the Standard Model predict Higgs boson decays that do not exist in the Standard Model, such as decays into two light bosons (a). [...]
ATL-PHYS-PROC-2018-155. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6509.
New Small Wheel trigger simulation and performance / Mwewa, Chilufya (U. Cape Town (main))
The instantaneous luminosity of the Large Hadron Collider (LHC) at CERN will be increased up to a factor of seven with respect to the original design value to explore higher energy scales. [...]
ATL-MUON-PROC-2018-017. - SISSA, 2019. - 2 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6510.
Search prospects for resonant Higgs boson pair production in the $b\bar{b}b\bar{b}$ final state with large-radius jets from $pp$ collisions at the HL-LHC
This note presents a study of resonant Higgs boson pair production in the $b\bar{b}b\bar{b}$ final state with 3000 fb$^{-1}$ of $\sqrt{s} = 14$ TeV $pp$ collisions at the HL-LHC. [...]
ATL-PHYS-PUB-2018-028. - 2018. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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6511.
Performance and Calibration of 2m^2-sized 4-layered Micromegas Detectors for the ATLAS Upgrade / Herrmann, Maximilian Georg (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
The increased luminosity of the HL-LHC requires a new, high rate capable, high resolution detec- tor technology for the inner end cap of the muon spectrometer of the ATLAS experiment. [...]
ATL-MUON-PROC-2018-016. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6512.
Search for lepton flavour violation with the ATLAS experiment / Le, Brian (ARC Centre of Excellence in Particle Physics at the Terascale, School of Physics, The University of Melbourne)
Lepton flavor violation (LFV) is a striking signature of potential beyond the Standard Model physics. [...]
ATL-PHYS-PROC-2018-154. - 2019. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6513.
SUSY Searches with Taus at the LHC / Lyu, F. (Beijing, Inst. High Energy Phys.)
The supersymmetric partner of the tau lepton, the stau, is predicted to be relatively light in a range of SUSY models, and may be a key for dark matter. [...]
ATL-PHYS-PROC-2018-153. - 2018. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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6514.
Searches for new physics using jet substructure in ATLAS and CMS / Schramm, Steven (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
The ATLAS and CMS experiments are increasingly making use of jet substructure techniques in the search for new physics. [...]
ATL-PHYS-PROC-2018-163. - 2019. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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6515.
Xcache in the ATLAS Distributed Computing Environment / ATLAS Collaboration
Inherited from the flexible architecture of Xrootd, Xcache allows a wide range of customization through configurations and plugin modules. [...]
ATL-SOFT-PROC-2018-031. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Fulltext from publisher - Full text - Full text
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6516.
Advanced Analytics service to enhance workflow control at the ATLAS Production System / Titov, Mikhail (NRC Kurchatov Institute Tier site) ; Borodin, Mikhail (University of Iowa) ; Golubkov, Dmitry (Institute for High Energy Physics of the National Research Centre Kurchatov Institute, Protvino) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL))
Modern workload management systems that are responsible for central data production and processing in High Energy and Nuclear Physics experiments have highly complicated architectures and require a specialized control service for resource and processing components balancing. [...]
ATL-SOFT-PROC-2018-030. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6517.
Harvester : an edge service harvesting heterogeneous resources for ATLAS / ATLAS Collaboration
The Production and Distributed Analysis (PanDA) system has been successfully used in the ATLAS experiment as a data-driven workload management system. [...]
ATL-SOFT-PROC-2018-029. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6518.
ATLAS technical coordination expert system / Asensi Tortajada, Ignacio (U. Valencia (main)) ; Solans Sanchez, Carlos (CERN) ; Rummler, Andre (CERN) ; Salukvadze, George (Javakhishvili State U.) ; Reeves, Kendall (U. Texas, Dallas)
When planning an intervention on a complex experiment like ATLAS, the detailed knowledge of the system under intervention and of the interconnection with all the other systems is mandatory. [...]
ATL-SOFT-PROC-2018-028. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6519.
Software based control and monitoring of a hardware based track reconstruction system for the atlas experiment / Sottocornola, Simone (INFN Pavia and Universita' di Pavia, Dipartimento di Fisica)
During the Run-2 of the Large Hadron Collider (LHC) the instantaneous luminosity exceeds the nominal value of $10^{34}$ cm$^{-2}$ s$^{-1}$ with a 25 ns bunch crossing period and the number of overlapping proton-proton interactions per bunch crossing increases up to about 80. [...]
ATL-DAQ-PROC-2018-036. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6520.
I/O in the ATLAS multithreaded framework / Cranshaw, Jack (Argonne National Laboratory) ; Van Gemmeren, Peter (Argonne National Laboratory) ; Nowak, Marcin (Brookhaven National Laboratory (BNL)) ; Malon, David (Argonne National Laboratory)
Scalable multithreading poses challenges to I/O for the ATLAS experiment. [...]
ATL-SOFT-PROC-2018-027. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6521.
An integrated system for data quality and conditions assessment for the ATLAS Tile Calorimeter / Smiesko, Juraj (Comenius University) ; Hyrych, Sofiia (Comenius University)
An integrated system for data quality and conditions assessment for the ATLAS Tile Calorimeter is known amongst the ATLAS Tile Calorimeter as the Tile-in-One. [...]
ATL-TILECAL-PROC-2018-017. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6522.
ATLAS Distributed Computing: Its Central Services core / Lee, Christopher Jon (Cape Town U.) ; Di Girolamo, Alessandro (CERN) ; Elmsheuser, Johannes (Brookhaven) ; Buzykaev, Alexey (Novosibirsk, IYF) ; Obreshkov, Emil (Texas U., Arlington) ; Glushkov, Ivan (Texas U., Arlington) ; Sun, Shaojun (U. Wisconsin, Madison (main))
The ATLAS Distributed Computing (ADC) Project is responsible for the off-line processing of data produced by the ATLAS experiment at the Large Hadron Collider (LHC) at CERN. [...]
ATL-SOFT-PROC-2018-026. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6523.
Integration of a heterogeneous compute resource in the ATLAS workflow / Gamel, Anton Josef (Freiburg U.) ; Roland, Benoit (Freiburg U.) ; Buehrer, Felix (Freiburg U.) ; Schnoor, Ulrike (Freiburg U.) ; Schumacher, Markus (Freiburg U.)
With the ever growing amount of data collected by the experiments at the Large Hadron Collider (LHC), the need for computing resources that can handle the analysis of this data is also rapidly increasing. [...]
ATL-SOFT-PROC-2018-025. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6524.
Upgrade of ATLAS data quality monitoring for multithreaded reconstruction / Bold, Tomasz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow) ; Lampl, Walter (University of Arizona) ; Narayan, Rohin (University of Texas at Austin) ; Onyisi, Peter (University of Texas at Austin) ; Sarna, Piotr (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
ATLAS is embarking on a project to multithread its reconstruction software in time for use in Run 3 of the LHC. [...]
ATL-SOFT-PROC-2018-024. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6525.
Run control software for the upgrade of the ATLAS Muon to Central Trigger Processor Interface (MUCTPI) / Spiwoks, Ralf (CERN) ; Armbruster, Aaron (CERN) ; Carrillo-Montoya, German (CERN) ; Chelstowska, Magda (CERN) ; Czodrowski, Patrick (CERN) ; Deviveiros, Pier-Olivier (CERN) ; Eifert, Till (CERN) ; Ellis, Nick (CERN) ; Farthouat, Philippe (CERN) ; Galster, Gorm (CERN ; Bohr Inst.) et al.
The Muon to Central Trigger Processor Interface (MUCTPI) of the ATLAS experiment at the Large Hadron Collider (LHC) at CERN is being upgraded for the next run of the LHC in order to use optical inputs and to provide full-precision information for muon candidates to the topological trigger processor (L1TOPO) of the Level-1 trigger system. [...]
ATL-DAQ-PROC-2018-035. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6526.
The design and performance of the ATLAS Inner Detector trigger in high pileup collisions at 13 TeV at the Large Hadron Collider / Kirk, Julie (Rutherford Appleton Laboratory)
The design and performance of the ATLAS Inner Detector (ID) trigger algorithms running online on the High Level Trigger (HLT) processor farm for 13 TeV LHC collision data with high pileup are discussed. [...]
ATL-DAQ-PROC-2018-034. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6527.
Implementation of the ATLAS trigger within the multi-threaded AthenaMT framework / Martin-Haugh, Stewart (Rutherford Appleton Laboratory)
We present an implementation of the ATLAS High Level Trigger (HLT) that provides parallel execution of trigger algorithms within the ATLAS multi-threaded software framework, AthenaMT. [...]
ATL-DAQ-PROC-2018-033. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6528.
Higgs boson measurements at the LHC / Unal, Guillaume (European Laboratory for Particle Physics, CERN)
Measurements of the Higgs boson production and decay performed at the Large Hadron Collider by the ATLAS and CMS experiments are reviewed. [...]
ATL-PHYS-PROC-2018-162. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6529.
The next generation PanDA Pilot for and beyond the ATLAS experiment / Nilsson, Paul (Brookhaven) ; Anisenkov, Alexey (Novosibirsk, IYF ; Novosibirsk State U.) ; Benjamin, Douglas (Argonne (main)) ; Drizhuk, Daniil (Kurchatov Inst., Moscow) ; Guan, Wen (Wisconsin U., Madison) ; Lassnig, Mario (CERN) ; Oleynik, Danila (Dubna, JINR ; Texas U., Arlington) ; Svirin, Pavlo (Brookhaven) ; Wegner, Tobias Thomas (CERN)
The Production and Distributed Analysis system (PanDA) is a pilot-based workload management system that was originally designed for the ATLAS Experiment at the LHC and to use with grid sites. [...]
ATL-SOFT-PROC-2018-023. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6530.
ATLAS Global Shares implementation in PanDA / Barreiro Megino, Fernando (The University of Texas at Arlington) ; Di Girolamo, Alessandro (CERN) ; De, Kaushik (Texas U., Arlington (main)) ; Maeno, Tadashi (Brookhaven Natl. Lab.) ; Walker, Rodney (LMU Munich (main))
PanDA (Production and Distributed Analysis) is the workload management system for ATLAS across the Worldwide LHC Computing Grid [...]
ATL-SOFT-PROC-2018-022. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6531.
Continuous signal modelling in a multidimensional space of coupling parameters / Brenner, Lydia (DESY, Hamburg and Zeuthen)
The plans for the second Run of the LHC changes the focus in the Higgs sector from searches to precision measurements. [...]
ATL-PHYS-PROC-2018-161. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6532.
The ATLAS Production System Predictive Analytics service: an approach for intelligent task analysis / Titov, Mikhail (NRC Kurchatov Institute Tier site) ; Borodin, Mikhail (University of Iowa) ; Golubkov, Dmitry (Institute for High Energy Physics of the National Research Centre Kurchatov Institute, Protvino) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL))
The second generation of the Production System (ProdSys2) of the ATLAS experiment (LHC, CERN), in conjunction with the workload management system PanDA (Production and Distributed Analysis), represents a complex set of computing components that are responsible for defining, organizing, scheduling, starting and executing payloads in a distributed computing infrastructure. [...]
ATL-SOFT-PROC-2018-021. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6533.
Flexible Printed Circuit design and testing for the High-Granulary Timing Detector for the Phase II upgrade of the ATLAS calorimeter system / Robles Manzano, Maria (Institut fuer Physik, Universitaet Mainz) ; Masetti, Lucia (Institut fuer Physik, Universitaet Mainz) ; Brogna, Andrea Salvatore (Institut fuer Physik, Universitaet Mainz)
The High-Granularity Timing Detector (HGTD) will improve the performance of the ATLAS detector for the Phase II upgrade of the HL-LHC by providing precise timing information. [...]
ATL-LARG-PROC-2018-012. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6534.
Software-based data acquisition system for Level-1 end- cap muon trigger in ATLAS Run-3 / Takeda, Kosuke (Kobe University)
In 2019, the ATLAS experiment at CERN is planning to undergo up- grade in order to cope with the higher luminosity requirements. [...]
ATL-DAQ-PROC-2018-032. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text - fulltext from publisher
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6535.
Top Working Group Summary Plots — Autumn 2018
This note presents new or updated summary plots summarising results from the ATLAS Top Working Group and LHCtopWG..
ATL-PHYS-PUB-2018-034. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6536.
Sensitivity of the ATLAS experiment to long-lived particles with a displaced vertex and $E_{T}^{miss}$ signature at the HL-LHC
This note presents the estimated sensitivity of a search for long-lived particles decaying within the tracking volume to multiple outgoing charged particles, using a signature of a displaced vertex and missing transverse momentum, in the upgraded ATLAS detector for the High-Luminosity LHC. [...]
ATL-PHYS-PUB-2018-033. - 2018. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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6537.
Prospects for lepton flavour violation measurements in $\tau\rightarrow 3\mu$ decays with the ATLAS detector at the HL-LHC
This note estimates the ATLAS detector sensitivity to measure the branching fraction of the lepton flavour violating decay $\tau\rightarrow 3\mu$ with 3000 fb$^{-1}$ of 14 TeV proton-proton collision data expected during the HL-LHC campaign. [...]
ATL-PHYS-PUB-2018-032. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6538.
The LUCID-2 Detector / Sbarra, Carla (Universita e INFN, Bologna)
LUCID (LUminosity Cerenkov Integrating Detector) is the main luminosity monitor of the ATLAS experiment at LHC and in particular the only one capable of providing bunch-by-bunch luminosity information both online and offline for all beam conditions and luminosity ranges. [...]
ATL-FWD-PROC-2018-009. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6539.
Searches for electroweak production of supersymmetric gauginos and sleptons with the ATLAS detector at LHC / Zinonos, Zinonas (Munich, Max Planck Inst.)
Results from a search for supersymmetry in events with four or more charged leptons (electrons, muons and taus) are presented. [...]
ATL-PHYS-PROC-2018-173. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6540.
Calibration and Performance of the ATLAS Tile Calorimeter / Petukhova, Krystsina (Charles University, Faculty of Mathematics and Physics, Prague)
The Tile Calorimeter (TileCal) of the ATLAS experiment at the LHC is the central hadronic calorimeter designed for the reconstruction of hadrons, jets, tau-particles and missing transverse energy. [...]
ATL-TILECAL-PROC-2018-018. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6541.
The challenges of mining logging data in ATLAS / Gallas, Elizabeth (University of Oxford, Particle Physics) ; Ozturk, Nurcan (The University of Texas at Arlington)
Processing ATLAS event data requires a wide variety of auxiliary information from geometry, trigger, and conditions database systems. [...]
ATL-SOFT-PROC-2018-051. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6542.
Measurements of elastic $pp$ interactions and exclusive production with the ATLAS detector / Adamczyk, Leszek (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
The total proton--proton($pp$) cross section is a fundamental observable at the LHC. [...]
ATL-PHYS-PROC-2018-172. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6543.
The impact of applying WildCards to disabled modules for FTK pattern banks on efficiency and data flow / Bouaouda, Khalil (Faculte des Sciences Ain Chock, Universite Hassan II) ; Schmitt, Stefan (DESY, Hamburg and Zeuthen) ; Benchekroun, Driss (Faculte des Sciences Ain Chock, Universite Hassan II)
Online selection is an essential step to collect the most relevant collisions from the very large number of collisions inside the ATLAS detector at the Large Hadron Collider (LHC). [...]
arXiv:2010.04300 ; ATL-DAQ-PROC-2018-042. - EDP Sciences, 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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6544.
Towards an Event Streaming Service for ATLAS data processing / Magini, Nicolo (Iowa State U. (main) ; INFN, Genoa) ; Di Girolamo, Alessandro (CERN) ; Guan, Wen (U. Wisconsin, Madison (main)) ; Wenaus, Torre (Brookhaven Natl. Lab.) ; Tsulaia, Vakhtang (LBNL, Berkeley) ; Lassnig, Mario (CERN) ; Walker, Rodney (LMU Munich (main)) ; Maeno, Tadashi (Brookhaven Natl. Lab.) ; Nilsson, Paul (Brookhaven Natl. Lab.) ; Brino, Alex (U. Udine (main))
The ATLAS experiment at the LHC is gradually transitioning from the traditional file-based processing model to dynamic workflow management at the event level with the ATLAS Event Service (AES). [...]
ATL-SOFT-PROC-2018-050. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6545.
Operational Experience and Performance with the ATLAS Pixel detector at the Large Hadron Collider / Bindi, Marcello (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
The tracking performance of the ATLAS detector at the LHC relies critically on its 4-layer Pixel detector, that has undergone significant hardware and readout upgrades to meet the challenges imposed by the higher collision energy, pileup and luminosity. [...]
ATL-INDET-PROC-2018-008. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6546.
A new approach for ATLAS Athena job configuration / Lampl, Walter (University of Arizona)
The offline software framework of the ATLAS experiment (Athena) consists of many small components of various types like Algorithm, Tool or Service. [...]
ATL-SOFT-PROC-2018-049. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6547.
Production experience and performance for ATLAS data processing on a Cray XC-50 at CSCS / Sciacca, Francesco Giovanni (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics) ; Weber, Michele (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics)
Prediction for requirements for the LHC computing for Run 3 and for Run 4 (HL-LHC) over the course of the next 10 years, show a considerable gap between required and available resources, assuming budgets will globally remain flat at best. [...]
ATL-SOFT-PROC-2018-048. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6548.
Building and Using Containers on HPCs for the ATLAS Experiment / Yang, Wei (SLAC National Accelerator Laboratory) ; Benjamin, Douglas (Argonne National Laboratory) ; Childers, John Taylor (Argonne National Laboratory) ; Lesny, David (University of Illinois at Urbana-Champaign) ; Oleynik, Danila (Joint Institute for Nuclear Research) ; Panitkin, Sergey (Brookhaven National Laboratory (BNL)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Zhao, Xin (Brookhaven National Laboratory (BNL))
The HPC environment presents several challenges to the ATLAS experiment in running their automated computational workflow smoothly and efficiently, in particular on issues such as software distribution and IO load. [...]
ATL-SOFT-PROC-2018-047. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6549.
Operation of the ATLAS Distributed Computing / Barreiro Megino, Fernando (Texas U., Arlington (main)) ; Cameron, David (U. Oslo (main)) ; Di Girolamo, Alessandro (CERN) ; Filipcic, Andrej (Stefan Inst., Ljubljana) ; Glushkov, Ivan (Texas U., Arlington (main)) ; Legger, Federica (LMU Munich (main)) ; Maeno, Tadashi (Brookhaven Natl. Lab.) ; Walker, Rodney (LMU Munich (main))
ATLAS is one of the four experiments collecting data from the proton-proton collisions at the Large Hadron Collider. [...]
ATL-SOFT-PROC-2018-046. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6550.
Expected ATLAS Measurement Capabilities of Observables Sensitive to Nuclear Parton Distributions
The study of proton-nucleus collisions at the LHC provides an opportunity to study QCD in regimes of high parton density and high center of mass energy but with the expectations that final state effects associated with a quark-gluon plasma will be small if present at all. [...]
ATL-PHYS-PUB-2018-039. - 2018. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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6551.
Prospects for Dark Matter searches in mono-photon and VBF+$E_T^{miss}$ final states in ATLAS
This document presents a prospect study for dark matter searches with the ATLAS detector at luminosities as expected at HL-LHC. [...]
ATL-PHYS-PUB-2018-038. - 2018. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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6552.
The ATLAS Metadata Interface (AMI) 2.0 metadata ecosystem: new design principles and features / Odier, Jerome (LPSC, Grenoble) ; Lambert, Fabian (LPSC, Grenoble) ; Fulachier, Jerome (LPSC, Grenoble)
ATLAS Metadata Interface (AMI) is a generic ecosystem for metadata aggregation, transformation and cataloging. [...]
ATL-SOFT-PROC-2018-045. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6553.
Combination of searches for invisible Higgs boson decays with the ATLAS experiment
Dark matter particles, if sufficiently light, may be produced in decays of the Higgs boson. [...]
ATLAS-CONF-2018-054. - 2018. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6554.
Prospect for a measurement of the Weak Mixing Angle in $pp \rightarrow Z/\gamma^* \rightarrow e^+e^-$ events with the ATLAS detector at the High Luminosity Large Hadron Collider
This document describes a sensitivity study for the determination of the weak mixing angle from the measurement of the Z boson forward-backward asymmetry using $3000$ fb$^{-1}$ of data to be collected by the ATLAS experiment with proton proton collisions at $\sqrt{s} =14$ TeV at the High Luminosity Large Hadron Collider..
ATL-PHYS-PUB-2018-037. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6555.
Going standalone and platform-independent, an example from recent work on the ATLAS Detector Description and interactive data visualization / Merkt, Sebastian Andreas (U. Pittsburgh (main)) ; Bianchi, Riccardo-Maria (U. Pittsburgh (main)) ; Boudreau, Joseph (U. Pittsburgh (main)) ; Gessinger-Befurt, Paul (Mainz U., Inst. Phys. ; CERN) ; Moyse, Edward (Massachusetts U., Amherst) ; Salzburger, Andreas (CERN) ; Tsulaia, Vakhtang (LBNL, Berkeley)
Until recently, the direct visualization of the complete ATLAS experiment geometry and physics objects was confined within the software framework of the experiment. [...]
ATL-SOFT-PROC-2018-044. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6556.
New results on W boson production with the ATLAS detector / Meoni, Evelin (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
Measurements of the production of jets in association with a W boson or a same-sign W boson pair in proton–proton collisions are presented using data collected by the ATLAS experiment at LHC at √s= 8 and 13 TeV. [...]
ATL-PHYS-PROC-2018-171. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6557.
Identification of very-low transverse momentum muons with the ATLAS experiment / Zheng, Zhi (University of Michigan, Department of Physics)
The standard muon identification in ATLAS experiment is optimized for muons with transverse momentum (\pT) above 5 GeV. [...]
ATL-MUON-PROC-2018-018. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6558.
New techniques for pile-up simulation in ATLAS / Novak, Tadej (Jozef Stefan Institute)
The high-luminosity data produced by the LHC leads to many proton-proton interactions per beam crossing in ATLAS, known as pile-up. [...]
ATL-SOFT-PROC-2018-043. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6559.
Optimizing access to conditions data in ATLAS event data processing / Rinaldi, Lorenzo (Universita e INFN, Bologna) ; Gallas, Elizabeth (University of Oxford, Particle Physics) ; Formica, Andrea (IRFU, CEA, Université Paris-Saclay)
The processing of ATLAS event data requires access to conditions data which is stored in database systems. [...]
ATL-SOFT-PROC-2018-042. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6560.
ATLAS sensitivity to dark matter produced in association with heavy quarks at the HL-LHC
This note presents the prospects of a search for weakly interacting dark matter produced in association with heavy flavour quarks at the HL--LHC. [...]
ATL-PHYS-PUB-2018-036. - 2018. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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6561.
Evaluation of theoretical uncertainties for simplified template cross section measurements of $V$-associated production of the Higgs boson
This note describes the estimate of theoretical uncertainties on the cross section of the $VH$ Higgs production process in the simplified template cross section (STXS) framework..
ATL-PHYS-PUB-2018-035. - 2018. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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6562.
Proton PDFs constraints from measurements using the ATLAS experiment / Giuli, Francesco (University of Oxford, Particle Physics)
High-precision measurements of Standard Model (SM) processes provide information on different aspects contributing to the process, such as parton distribution functions (PDFs), and comparisons with the current precision reached theoretically on the calculations of the cross sections of such processes. [...]
ATL-PHYS-PROC-2018-170. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6563.
Overview of searches for single production of vector-like top and bottom quarks with the ATLAS experiment at 13 TeV / Erdmann, Johannes (Fakultaet Physik, Technische Universitaet Dortmund, Dortmund)
Vector-like quarks (VLQ) that couple preferentially to third-generation Standard Model (SM) quarks are a well-motivated extension of the SM, which could solve in particular the hierarchy problem. [...]
ATL-PHYS-PROC-2018-169. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6564.
Object store characterisation for ATLAS distributed computing / Love, Peter (Lancaster University, Department of Physics) ; Hartland, Thomas George (CERN) ; Benjamin, Douglas (Argonne National Laboratory) ; Schovancova, Jaroslava (CERN Tier-0) ; Dewhurst, Alastair (Rutherford Appleton Laboratory)
In this work we developed a platform for running functional and stress tests against object storage instances. [...]
ATL-SOFT-PROC-2018-041. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6565.
High-lights of the ATLAS and ALICE experiments / Carli, Tancredi (CERN)
The ATLAS experiment has achieved important new physics results in particular in the Higgs area using the large proton-proton collision data-sets at a centre-of-mass energy of 13 TeV. [...]
ATL-PHYS-PROC-2018-168. - SISSA, 2019. - 10 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6566.
The ATLAS Fast TracKer - Architecture, Status and High-Level Data Quality Monitoring Framework / Marantis, Alexandros (Hellenic Open University, Patras)
The Fast Tracker (FTK) is a highly parallel processor dedicated to quickly and efficiently reconstructing tracks in the Pixel and Semiconductor Tracker (SCT) detectors of the ATLAS experiment at LHC. [...]
ATL-DAQ-PROC-2018-041. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6567.
Measurements of the top-quark mass with the ATLAS detector / Barillari, Teresa (Max-Planck-Institut fuer Physik)
The top-quark mass is one of the fundamental parameters of the Standard Model. [...]
ATL-PHYS-PROC-2018-167. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6568.
Measurement of differential $t$-channel single top-quark production cross-sections with ATLAS / Seema, Pienpen (Humboldt University Berlin)
In this document, absolute and normalised differential cross-sections of single top quarks produced in the $t$-channel are presented. [...]
ATL-PHYS-PROC-2018-166. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6569.
BigData tools for the monitoring of the ATLAS EventIndex / Alexandrov, Evgeny (Joint Institute for Nuclear Research) ; Kazymov, Andrei (Joint Institute for Nuclear Research) ; Prokoshin, Fedor (Universidad Tecnica Federico Santa Maria)
The ATLAS EventIndex collects event information from data both at CERN and Grid sites. [...]
ATL-SOFT-PROC-2018-040. - 2018. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6570.
Distributed Data Collection for the Next Generation ATLAS EventIndex Project / Fernandez Casani, Alvaro (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Barberis, Dario (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Sánchez, Javier (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Garcia Montoro, Carlos (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Gonzalez de la Hoz, Santiago (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Salt, Jose (Univ. of Valencia and CSIC (ES))
The ATLAS EventIndex currently runs in production in order to build a complete catalogue of events for experiments with large amounts of data. [...]
ATL-SOFT-PROC-2018-039. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6571.
Measurements of $VH$, $H \to b\bar{b}$ production as a function of the vector boson transverse momentum in 13 TeV pp collisions with the ATLAS detector
Cross sections of associated production of a Higgs boson decaying to bottom-quark pairs and an electroweak gauge boson $W$ or $Z$ decaying to leptons are measured as a function of the gauge boson transverse momentum. [...]
ATLAS-CONF-2018-053. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6572.
Search for boosted resonances decaying to two b-quarks and produced in association with a jet at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for new resonances decaying into a pair of bottom quarks in the merged regime is reported using an integrated luminosity of 80.5~\ifb of proton-proton collisions at $\sqrt{s}=13$ TeV recorded by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2018-052. - 2018. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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6573.
The ATLAS multithreaded offline framework / Kama, Sami (Southern Methodist University, Department of Physics) ; Leggett, Charles (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Snyder, Scott (Brookhaven National Laboratory (BNL)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley)
In preparation for Run 3 of the LHC, scheduled to start in 2021, the ATLAS experiment is revising its offline software so as to better take advantage of machines with many cores. [...]
ATL-SOFT-PROC-2018-038. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6574.
Grid production with the ATLAS Event Service / ATLAS Collaboration
ATLAS has developed and previously presented a new computing architecture, the Event Service, that allows real time delivery of fine grained workloads which process dispatched events (or event ranges) and immediately streams outputs. [...]
ATL-SOFT-PROC-2018-037. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6575.
Triggering on hadronic signatures in the ATLAS experiment / Mendes Gouveia, Emanuel Demetrio (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisboa)
Hadronic signatures are critical to the ATLAS physics program, and are used extensively for both Standard Model measurements and searches for new physics. [...]
ATL-DAQ-PROC-2018-040. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6576.
The ATLAS Muon Trigger / Hayashida, Shota (Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University)
Events containing muons in the final state are important for many physics analyses in the ATLAS experiment at the Large Hadron Collider. [...]
ATL-DAQ-PROC-2018-039. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6577.
Integrated automation for configuration management and operations in the ATLAS online computing farm / Amirkhanov, Artem (Novosibirsk, IYF) ; Ballestrero, Sergio (Johannesburg U.) ; Brasolin, Franco (INFN, Bologna) ; Lee, Christopher Jon (Johannesburg U.) ; Du Plessis, Haydn Dean (Johannesburg U.) ; Mitrogeorgos, Konstantinos (Aristotle U., Thessaloniki) ; Pernigotti, Marco (CERN) ; Sanchez Pineda, Arturo Rodolfo (INFN, Udine ; Udine U.) ; Scannicchio, Diana Alessandra (UC, Irvine (main)) ; Twomey, Matthew Shaun (U. Washington, Seattle (main))
The online farm of the ATLAS experiment at the LHC, consisting of nearly 4000 PCs with various characteristics, provides configuration and control of the detector and performs the collection, processing, selection, and conveyance of event data from the front-end electronics to mass storage. [...]
ATL-DAQ-PROC-2018-038. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6578.
Broadcasting dynamic metadata content to external web pages using AMI (ATLAS Metadata Interface) embeddable components / Lambert, Fabian (LPSC, Grenoble) ; Odier, Jerome (LPSC, Grenoble) ; Fulachier, Jerome (LPSC, Grenoble)
AMI (ATLAS Metadata Interface) is a generic ecosystem for metadata aggregation, transformation and cataloguing. [...]
ATL-SOFT-PROC-2018-036. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6579.
The ATLAS wide-range database and application monitoring / Vasileva, Petya (CERN) ; Dimitrov, Gancho (CERN) ; Formica, Andrea (IRFU, Saclay)
In HEP experiments at LHC the database applications often become complex, reflecting the increasingly demanding requirements of the researchers. [...]
ATL-SOFT-PROC-2018-035. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6580.
The Data Ocean project : An ATLAS and Google R&D collaboration / ATLAS Collaboration
Transparent use of commercial cloud resources for scientific experiments is a hard problem. [...]
ATL-SOFT-PROC-2018-034. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6581.
ATLAS utilisation of the Czech national HPC center / Svatos, Michal (Academy of Sciences of the Czech Republic, Institute of Physics) ; Chudoba, Jiri (Academy of Sciences of the Czech Republic, Institute of Physics) ; Vokac, Petr (Czech Technical University in Prague)
The Czech national HPC center IT4Innovations located in Ostrava provides two HPC systems, Anselm and Salomon. [...]
ATL-SOFT-PROC-2018-033. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6582.
Experience with Shifter Assistant - an intelligent tool to help operations of ATLAS TDAQ system in LHC Run 2 / Kazarov, Andrei (St. Petersburg, INP) ; Corso-Radu, Alina (UC, Irvine) ; Avolio, Giuseppe (European Laboratory for Particle Physics, CERN)
The Trigger and DAQ (TDAQ) system of the ATLAS experiment is a complex distributed computing system, composed of O(10,000) of applications running on more than 2,500 computers. [...]
ATL-DAQ-PROC-2018-037. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6583.
Advances in ATLAS@Home towards a major ATLAS computing resource / Cameron, David (University of Oslo) ; Wu, Wenjing (Institute of High Energy Physics, Chinese Academy of Sciences) ; Bogdanchikov, Alexander (Budker Institute of Nuclear Physics, Siberian Branch of Russian Academy of Sciences) ; Bianchi, Riccardo-Maria (University of Pittsburgh)
The volunteer computing project ATLAS@Home has been providing a stable computing resource for the ATLAS experiment since 2013. [...]
ATL-SOFT-PROC-2018-032. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6584.
Observation of ttH production with ATLAS / Hubaut, Fabrice (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS)
Proceedings of Top2018 conference: overview talk describing the analyses that led to the observation of ttH production with the ATLAS detector..
ATL-PHYS-PROC-2018-165. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6585.
Top-quark pair production cross-section measurements with the ATLAS detector / Berta, Peter (Institut fuer Physik, Universitaet Mainz)
Measurements of the inclusive and differential top-quark pair production cross sections in proton-proton collisions with the ATLAS detector at the Large Hadron Collider at center-of-mass energies of 8 TeV and 13 TeV are presented. [...]
ATL-PHYS-PROC-2018-164. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6586.
Prospects for searches for heavy $Z^\prime$ and $W^\prime$ bosons in fermionic final states with the ATLAS experiment at the HL-LHC
This note presents the prospects for new heavy $W^\prime$ and $Z^\prime$ bosons at the high luminosity LHC with $3000$ fb$^{-1}$ of $\sqrt{s}~=~14$ TeV proton--proton collision data. [...]
ATL-PHYS-PUB-2018-044. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6587.
Single top quark production at the LHC / Alhroob, Muhammad (University of Oklahoma)
This proceeding contains single top quark production measurements based on 8 and 13 TeV datasets collected by the ATLAS and CMS experiments at the LHC. [...]
ATL-PHYS-PROC-2018-190. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6588.
Conditions evolution of an experiment in mid-life, without the crisis (in ATLAS) / Rinaldi, Lorenzo (INFN, Bologna ; U. Bologna, DIFA) ; Formica, Andrea (IRFU, Saclay) ; Gallas, Elizabeth J. (U. Oxford (main)) ; Ozturk, Nurcan (Texas U., Arlington (main)) ; Roe, Shaun (CERN)
The ATLAS experiment is approaching mid-life: the long shutdown period (LS2) between LHC Runs 1 and 2 (ending in 2018) and the future collision data-taking of Runs 3 and 4 (starting in 2021). [...]
ATL-SOFT-PROC-2018-061. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6589.
Search for lepton-flavor-violating decays of the $Z$ boson into a $\tau$-lepton and a light lepton with the ATLAS detector / Chan, Wing Sheung (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef)
Lepton flavour violation in the charged lepton sector is an unambiguous signal of physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2018-189. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6590.
Backfilling the Grid with Containerized BOINC in the ATLAS computing / Wu, Wenjing (Institute of High Energy Physics, Chinese Academy of Sciences) ; Cameron, David (University of Oslo)
Virtualization is a commonly used solution for utilizing the opportunistic computing resources in the HEP field, as it provides a unified software and OS layer that the HEP computing tasks require over the heterogeneous opportunistic computing resources. [...]
ATL-SOFT-PROC-2018-060. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6591.
Extrapolation of $E_{\rm T}^{miss}$+ jet search results to an integrated luminosity of 300 fb$^{-1}$ and 3000 fb$^{-1}$
This note presents a study of the impact of different systematic uncertainty scenarios on the sensitivity of the ATLAS search in the final state with at least one jet and large missing transverse momentum (monojet signature) to weakly-interacting massive particles (WIMPs). [...]
ATL-PHYS-PUB-2018-043. - 2018. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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6592.
Reconstruction techniques in Supersymmetry searches with the ATLAS detector / Vermeulen, Ambrosius Thomas (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef)
Many supersymmetric scenarios of the Standard Model feature final states which are difficult for standard particle reconstruction. [...]
ATL-PHYS-PROC-2018-188. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6593.
FELIX: the new detector interface for the ATLAS experiment / Ilic, Nikolina (Radboud University Nijmegen and NIKHEF) ; Vermeulen, Jos (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef) ; Kolos, Serguei (University of California, Irvine)
The ATLAS detector will be upgraded to include new subdetectors and trigger systems that will be readout by a PC-based interface, called FELIX. [...]
ATL-DAQ-PROC-2018-045. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6594.
Search for pair-production of vector-like quarks in final states with at least one Z boson decaying into a pair of electrons or muons in pp collision data collected with the ATLAS detector at √s = 13 TeV / Dias DO Vale, Tiago (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisboa)
A search for pair-produced vector-like quarks decaying into a Z boson and a third generation quark using 2015 and 2016 pp collision data at √s = 13 TeV collected by the ATLAS experiment at the Large Hadron Collider, corresponding to an integrated luminosity of 36.1 fb −1 , is presented. [...]
ATL-PHYS-PROC-2018-187. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6595.
Observation of the Higgs decay to beauty quarks / Noguchi, Yohei (Kyoto University, Department of Physics)
Higgs bosons decaying to b-quark pairs were searched in the production modes associated with vector bosons using 79.8 fb$^{-1}$ data of pp collisions at the center of mass energy of 13 TeV provided by the Large Hadron Collider (LHC) and recorded by the ATLAS detector. [...]
ATL-PHYS-PROC-2018-186. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6596.
The ATLAS Level-1 Topological Processor: from design to routine usage in Run-2 / Simoniello, Rosa (Institut fuer Physik, Universitaet Mainz)
During Run-2 the LHC is providing proton--proton collisions to the ATLAS experiment with high luminosity (up to 2.1$\cdot$10$^{34}$ cm$^{-2}$s$^{-1}$), placing stringent operational and physical requirements on the ATLAS trigger system in order to reduce the 40~MHz collision rate to a manageable event storage rate of $\sim$1 kHz, while not rejecting interesting physics events. [...]
ATL-DAQ-PROC-2018-044. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6597.
Using AWS Athena analytics to monitor pilot job health on WLCG compute sites / Love, Peter (Lancaster University, Department of Physics) ; Hartland, Thomas George (CERN)
ATLAS Distributed Computing (ADC) uses the pilot model to submit jobs to Grid computing resources. [...]
ATL-SOFT-PROC-2018-059. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6598.
A prototype for the evolution of ATLAS EventIndex based on Apache Kudu storage / ATLAS Collaboration
The ATLAS EventIndex has been in operation since the beginning of LHC Run 2 in 2015. [...]
ATL-SOFT-PROC-2018-058. - 2019. - 10 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6599.
Data allocation service ADAS for the data rebalancing of ATLAS / Vamosi, Ralf (CERN) ; Lassnig, Mario (CERN) ; Schikuta, Erich (TU Vienna)
The distributed data management system Rucio manages all data of the ATLAS collaboration across the grid. [...]
ATL-SOFT-PROC-2018-057. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6600.
Beyond Standard Model searches by ATLAS and CMS / Erdmann, Johannes (Fakultaet Physik, Technische Universitaet Dortmund, Dortmund)
An overview of recent searches for BSM physics with the ATLAS and CMS experiments is given. [...]
ATL-PHYS-PROC-2018-185. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6601.
The two particle correlation in $Z$-boson tagged events / Milov, Alexander (Department of Particle Physics, The Weizmann Institute of Science)
This proceeding presents the result of the first to study of the long-range hadron correlations in \pp collisions with a constraint on collision geometry. [...]
ATL-PHYS-PROC-2018-184. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6602.
Searches for electroweak production of higgsino with ATLAS / Todome, Kazuki (Universita e INFN, Bologna)
Fine-tuning arguments suggest the mass of the supersymmetric partner of the Higgs boson, the Higgsino, is not too far from the weak scale. [...]
ATL-PHYS-PROC-2018-183. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6603.
Measurements of quarkonia and open heavy-flavour production in heavy-ion collisions with the ATLAS detector / Kremer, Jakub Andrzej (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Measurements of quarkonia produced in ultrarelativistic Pb+Pb collisions provide a means to probe the properties and evolution of the hot and dense medium created in those collisions. [...]
ATL-PHYS-PROC-2018-182. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6604.
Prospects for measurement of the top quark mass using $t{\bar t}$ events with $J/\psi\rightarrow\mu^+\mu^-$ decays with the upgraded ATLAS detector at the High Luminosity LHC
This document presents projections for the top quark mass measurement accuracy using $t{\bar t}\rightarrow$ lepton+jets events with $J/\psi\rightarrow\mu^+\mu^-$ in the final state at $\sqrt{s}=14$~TeV at the High-Luminosity LHC with 3000 $\textrm{fb}^{-1}$ of proton-proton collisions with the ATLAS experiment. [...]
ATL-PHYS-PUB-2018-042. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6605.
CP-violation measurement prospects in the $B^0_s \to J/\psi\phi$ channel with the upgraded ATLAS detector at the HL-LHC
This note estimates the ATLAS detector performance in measuring the CP-violating phase $\phi_s$ during the whole HL-LHC campaign. [...]
ATL-PHYS-PUB-2018-041. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6606.
Prospects for differential cross-section measurements of Higgs boson production measured in decays to ZZ and $\gamma\gamma$ with the ATLAS experiment at the High-Luminosity LHC
Prospects for Higgs boson differential cross section measurements for the full expected High-Luminosity LHC (HL-LHC) luminosity of 3 ab$^{-1}$ are performed using the $H \rightarrow \gamma \gamma$, $H \rightarrow Z Z^* \rightarrow 4 \ell$ decay channels, as well as their combination. [...]
ATL-PHYS-PUB-2018-040. - 2018. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6607.
Cross-section measurements of the Higgs boson decaying to a pair of tau leptons in proton--proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / Zinonos, Zinonas (Max-Planck-Institut fuer Physik)
A measurement of total production cross sections of the Higgs boson in proton--proton collisions is presented in the $H \to \tau \tau$ decay channel. [...]
ATL-PHYS-PROC-2018-181. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6608.
Measurement of electroweak boson production in $pp$, $p$+Pb and Pb+Pb collisions with the ATLAS detector / Janus, Piotr Andrzej (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Measurement of electroweak boson production in different collision systems are of great interest to understanding the partonic structure of heavy nuclei, and serve as a constraint on the initial state in larger collision systems. [...]
ATL-PHYS-PROC-2018-180. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6609.
Tests of perturbative QCD with photon final states at the ATLAS Experiment / Vachon, Brigitte (McGill U., Montreal (main))
The production of prompt isolated photons at hadron colliders provides a stringent test of perturbative Quantum Chromodynamics and can be used to probe the gluon density function of the proton. [...]
ATL-PHYS-PROC-2018-179. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6610.
Observation of the $t\bar{t}H$ production / Mellenthin, Johannes Donatus (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
The top quark is the heaviest elementary particle in the Standard Model, and has an expected Yukawa coupling of order unity. [...]
ATL-PHYS-PROC-2018-178. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6611.
A new mechanism to use the Conditions Database REST API to serve the ATLAS detector description / Formica, Andrea (IRFU, CEA, Université Paris-Saclay) ; Bianchi, Riccardo-Maria (University of Pittsburgh) ; De Salvo, Alessandro (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica) - Main author Speaker
An efficient and fast access to the detector description of the ATLAS experiment is needed for many tasks, at different steps of the data chain: from detector development to reconstruction, from simulation to data visualization. [...]
ATL-SOFT-PROC-2018-056. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6612.
Measurement of Higgs boson production in association with top quarks with the ATLAS detector / Raine, John Andrew (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
The measurement of the Higgs boson produced in association with a top quark pair ($t\bar{t}H$) gives direct access to the top quark coupling to the Higgs boson. [...]
ATL-PHYS-PROC-2018-177. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6613.
Evolution of the open-source data management system Rucio for LHC Run-3 and beyond ATLAS / ATLAS Collaboration
Rucio, the distributed data management system of the ATLAS experiment already manages more than 400 Petabytes of physics data on the grid. [...]
ATL-SOFT-PROC-2018-055. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6614.
Highly extensible modular system for online monitoring of the ATLAS experiment / Kolos, Serguei (University of California, Irvine)
Unprecedented size and complexity of the ATLAS experiment required adoption of the new approach for online monitoring system development as many requirements for this system were not known in advance due to the innovative nature of the project. [...]
ATL-DAQ-PROC-2018-043. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6615.
The BigPanDA self-monitoring alarm system for ATLAS / Alekseev, Aleksandr (CERN Tier-0) ; Korchuganova, Tatiana (CERN Tier-0) ; Padolski, Siarhei (Brookhaven National Laboratory (BNL))
The BigPanDA monitoring system is a Web-application created to deliver the real-time analytics, covering many aspects of the ATLAS experiment distributed computing. [...]
ATL-SOFT-PROC-2018-054. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6616.
Understanding the evolution of conditions data access through Frontier for the ATLAS Experiment / Svatos, Michal (Academy of Sciences of the Czech Republic, Institute of Physics) ; De Salvo, Alessandro (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica) ; Dewhurst, Alastair (Rutherford Appleton Laboratory) ; Vamvakopoulos, Emmanouil (CCIN2P3 Lyon Tier-1) ; Lozano Bahilo, Jose Julio (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Ozturk, Nurcan (The University of Texas at Arlington) ; Sanchez, Adrian Javier (University of Michigan, Department of Physics) ; Dykstra, Dave (Fermi National Accelerator Lab. (US))
The ATLAS Distributed Computing system uses the Frontier system to access the Conditions, Trigger, and Geometry database data stored in the Oracle Offline Database at CERN by means of the http protocol. [...]
ATL-SOFT-PROC-2018-053. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6617.
New fitting concept in ATLAS muon tracking for the LHC Run-2 / Leight, William Axel (DESY ; DESY, Zeuthen) ; Moyse, Edward (Massachusetts U., Amherst) ; Giraud, Pierre-Francois (IRFU, Saclay) ; Kluit, Peter (Nikhef, Amsterdam ; Amsterdam U.) ; Poppleton, Alan (CERN) ; Meyer, Jochen (Technion)
Muons with high momentum – above 500 GeV – are an important constituent of new physics signatures in many models. [...]
ATL-SOFT-PROC-2018-052. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6618.
Top-quark pair production in association with a $W$ or $Z$ boson with the ATLAS experiment / Heer, Sebastian (University of Bonn)
The cross section of the $t\bar{t}Z$ and $t\bar{t}W$ processes are measured in a simultaneous fit using 36.1 $\text{fb}^{-1}$ of proton-proton collisions at a centre of mass energy of $\sqrt{s}=13\ \text{TeV}$ recorded by the ATLAS detector at the LHC. [...]
arXiv:1812.03679 ; ATL-PHYS-PROC-2018-176. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6619.
Search for flavour-changing neutral currents $tZ$ interactions in $pp$ collisions at $\sqrt{s}$ = 13 TeV with ATLAS / Pereira Peixoto, Ana Paula (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisboa)
A search for flavour-changing neutral currents (FCNC) processes in proton-proton ($pp$) collisions at a centre-of-mass energy of 13 TeV with the ATLAS detector at the CERN Large Hadron Collider is presented. [...]
ATL-PHYS-PROC-2018-175. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6620.
Higgs Boson Decays to Fermions with the ATLAS Detector / Lai, Stanley (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
Measurements of Higgs boson decays to fermions are important for understanding the mass generation of fermions. [...]
ATL-PHYS-PROC-2018-174. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6621.
Top quarks and exotics at ATLAS and CMS / Serkin, Leonid (INFN Gruppo Collegato di Udine and ICTP, Trieste)
An overview of recent searches with top quarks in the final state using up to 36 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}$ = 13 TeV collected with the ATLAS and CMS experiments at the LHC is presented. [...]
arXiv:1901.01765 ; ATL-PHYS-PROC-2018-195. - 2018. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6622.
Prospects for searches for staus, charginos and neutralinos at the high luminosity LHC with the ATLAS Detector
The current searches at the LHC have yielded sensitivity to weakly-interacting supersymmetric particles in the hundreds of GeV mass range and the reach at the high-luminosity phase of the LHC is expected to significantly extend beyond the current limits. [...]
ATL-PHYS-PUB-2018-048. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6623.
Top Quark Measurements with ATLAS / Bozson, Adam James (Department of Physics, Royal Holloway and Bedford New College)
Recent results of measurements of top quarks with the ATLAS experiment at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2018-194. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6624.
HL-LHC prospects for the measurement of the Standard Model four-top-quark production cross-section
This note presents projections for the measurement of the Standard Model four-top-quark production cross-section in the context of the High-Luminosity LHC with 3000 $fb^{-1}$ of proton-proton collisions at $\sqrt{s} $= 14 TeV with the ATLAS experiment. [...]
ATL-PHYS-PUB-2018-047. - 2018. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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6625.
SUSY Summary Plots, November 2018
These are summary plots, updated for the SUSY group in November 2018..
ATL-PHYS-PUB-2018-046. - 2018. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6626.
Measurement of long-range correlations in $Z$-tagged $pp$ events with ATLAS / Trzupek, Adam (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
Measurements of azimuthal correlations between two particles separated in pseudorapidity have shown striking similarities between results obtained in $pp$, $p$+A and A+A collision systems. [...]
ATL-PHYS-PROC-2018-193. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6627.
Ultrascale+ for the new ATLAS calorimeter trigger board dedicated to jet identification / ATLAS Collaboration
To cope with the expected increase in luminosity at the Large Hadron Collider in 2021, the ATLAS collaboration is planning a major detector upgrade to be installed during Long Shutdown 2. [...]
ATL-DAQ-PROC-2018-047. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6628.
A radiation tolerant readout link and control board for the Phase-II upgrade of the ATLAS Hadronic Tile Calorimeter / Mkrtchyan, Tigran (Alikhanyan National Science Laboratory)
We present performance and radiation test results for the updated prototype of a radiation tolerant read-out link and control board (Daughterboard) for the Phase-II upgrade of the ATLAS Hadronic Tile Calorimeter (TileCal) front-end electronics for high-luminosity LHC. [...]
ATL-TILECAL-PROC-2018-020. - 2019. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6629.
Upgrade of the ATLAS monitored drift tube front-end electronics for the HL-LHC / Kortner, Oliver (Munich, Max Planck Inst.)
The High-Luminosity Large Hadron Collider will increase the sensitivity of the ATLAS experiment to rare physics processes. [...]
ATL-MUON-PROC-2018-019. - SISSA, 2019. - 4 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6630.
Measurements of the Higgs boson by ATLAS and CMS / Tsukerman, Ilya (Institute for Theoretical and Experimental Physics)
Recent results on Higgs boson production and decays in the ATLAS and CMS experiments at the LHC are reviewed. [...]
ATL-PHYS-PROC-2018-192. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6631.
Performance Studies of the Associative Memory System of the ATLAS Fast Tracker / ATLAS Collaboration
The Associative Memory (AM) system of the Fast Tracker (FTK) processor has been designed to perform pattern matching using the hit information of the ATLAS experiment silicon tracker. [...]
ATL-DAQ-PROC-2018-046. - 2018. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6632.
ATLAS Tile calorimeter calibration and monitoring systems / Cortes-Gonzalez, Arely (European Laboratory for Particle Physics, CERN)
The ATLAS Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of the ATLAS experiment and provides important information for reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. [...]
ATL-TILECAL-PROC-2018-019. - 2018. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6633.
Use ATLAS@home to exploit extra CPU from busy grid sites
Grid computing provides the main resource for data processing of High Energy Physics experiments, and a study we conducted shows that typical grid sites used by ATLAS computing are not fully utilized with the regular workloads. [...]
ATL-SOFT-PUB-2018-003. - 2018. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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6634.
Exotic Higgs Decay Summary Plots
This note presents the most recent summary plots summarizing the results of the exotic Higgs decay searches from ATLAS HBSM Working Group..
ATL-PHYS-PUB-2018-045. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6635.
Search for lepton favour violation with the ATLAS detector / Chan, Wing Sheung (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef)
Charged lepton flavour violation is an unambiguous signal of beyond-the-Standard-Model phenomena. [...]
ATL-PHYS-PROC-2018-191. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6636.
Prospects for the measurement of the $W^{\pm}W^{\pm}$ scattering cross section and extraction of the longitudinal scattering component in $pp$ collisions at the High-Luminosity LHC with the ATLAS experiment}
Prospects for measuring the \ssWW vector boson scattering process with 3000\ifb of proton-proton collisions at $\sqrt{s}$ = 14 TeV at the High-Luminosity Large Hadron Collider are studied. [...]
ATL-PHYS-PUB-2018-052. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6637.
Measurements of the Higgs Boson Properties at the ATLAS Experiment / Schopf, Elisabeth (University of Oxford, Particle Physics)
After the discovery of the Higgs boson in summer 2012, the understanding of its properties has been a high priority of the physics program of the ATLAS experiment. [...]
ATL-PHYS-PROC-2018-201. - 2018. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6638.
Heavy electroweak boson production in Pb+Pb and $pp$ collisions with ATLAS / Kremer, Jakub Andrzej (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Electroweak bosons produced in Pb+Pb collisions are an excellent tool to constrain initial-state effects which affect hard-scattering process rates in nucleon-nucleon interactions. [...]
ATL-PHYS-PROC-2018-200. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6639.
Prospects for jet and photon physics at the HL-LHC and HE-LHC
In this note prospects for the measurement of the inclusive jet, dijet, inclusive prompt photon and photon+jet production cross sections in proton-proton collisions at 14 and 27 TeV are presented. [...]
ATL-PHYS-PUB-2018-051. - 2018. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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6640.
Prospects for the search for additional Higgs bosons in the ditau final state with the ATLAS detector at HL-LHC
Estimates of the sensitivity of the search for a heavy neutral Higgs boson in the $\tau\tau$ final state with the full High-Luminosity LHC dataset of 3000 $fb^{-1}$ proton-proton collisions at $\sqrt{s} =$ 14 TeV are presented. [...]
ATL-PHYS-PUB-2018-050. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6641.
Measurement of the azimuthal anisotropy of charged particles in 5.02 TeV Pb+Pb and 5.44 TeV Xe+Xe collisions with the ATLAS experiment / Burka, Klaudia (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
The high-statistics data collected by the ATLAS experiment during the 2015 Pb+Pb and 2017 Xe+Xe LHC runs are used to measure charged particle azimuthal anisotropy. [...]
ATL-PHYS-PROC-2018-199. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6642.
Search for doubly charged Higgs bosons with the ATLAS detector / Ucchielli, Giulia (Fakultaet Physik, Technische Universitaet Dortmund, Dortmund)
Doubly charged Higgs bosons ($H^{\pm\pm}$) appear in several beyond Standard Model extensions, aimed to explain the mechanism for neutrino mass generation. [...]
ATL-PHYS-PROC-2018-198. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6643.
Development and evaluation of prototypes for the Phase-II upgrade of the pixel detector of the ATLAS experiment / Taylor, Jonathan Thomas (University of Liverpool)
The ATLAS tracking system will be replaced by an all-silicon detector in the course of the planned HL-LHC accelerator upgrade around 2025. [...]
ATL-ITK-PROC-2018-019. - 2019. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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6644.
Calibration of the $b$-tagging efficiency on charm jets using a sample of $W$+$c$ events with $\sqrt{s}$ = 13 TeV ATLAS data
The identification of jets containing $b$-hadrons ($b$-jets) is of fundamental importance for many physics analyses performed by the ATLAS experiment. [...]
ATLAS-CONF-2018-055. - 2018. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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6645.
Energy loss and modification of photon-tagged jets with ATLAS / Perepelitsa, Dennis (University of Colorado Boulder)
Events containing a high-transverse momentum ($p_\mathrm{T}$) prompt photon offer a useful tool to study the dynamics of the hot, dense medium produced in heavy ion collisions. [...]
ATL-PHYS-PROC-2018-197. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6646.
Prospects for the measurement of $t\bar{t}\gamma$ with the upgraded ATLAS detector at the High-Luminosity LHC
Measurements of $t\bar{t}\gamma$ production are studied in leptonic final states at the HL-LHC, where a data set with an integrated luminosity of 3 ab$^{-1}$ at a center-of-mass energy of 14 TeV is expected to be collected by the upgraded ATLAS detector. [...]
ATL-PHYS-PUB-2018-049. - 2018. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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6647.
Searches for BSM Higgs bosons in fermionic decays in ATLAS / Bailey, Adam (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
Beyond the standard model theories such as the MSSM and other two-Higgs-doublet-models predict an extended Higgs sector. [...]
ATL-PHYS-PROC-2018-196. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6648.
Projections for measurements of Higgs boson cross sections, branching ratios, coupling parameters and mass with the ATLAS detector at the HL-LHC
A study is presented on the ATLAS experimental prospects for measuring Higgs boson cross sections, signal strengths and branching ratios, and determining couplings to individual fermions and bosons, at the High Luminosity LHC (HL-LHC) with 3000 fb$^{−1}$ collected at 14 TeV. [...]
ATL-PHYS-PUB-2018-054. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6649.
Exotic searches with the ATLAS detector / Bawa, Harinder Singh (California State University)
The summary is given for the exotic, non-SUSY searches for new physics with the ATLAS detector at Large Hadron Collider(LHC). [...]
ATL-PHYS-PROC-2018-202. - 2019. - 12 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6650.
Measurement prospects of the pair production and self-coupling of the Higgs boson with the ATLAS experiment at the HL-LHC
A prospect study for the search for non-resonant Higgs-boson-pair production, using a statistical combination of the $b\bar{b}b\bar{b}$, $b\bar{b}\gamma\gamma$ and $b\bar{b}\tau^{+}\tau^{-}$ final states, is performed assuming 3000 fb$^{-1}$ of $pp$ collisions at a centre-of-mass energy of 14 TeV in the ATLAS detector at the High Luminosity LHC (HL-LHC). [...]
ATL-PHYS-PUB-2018-053. - 2018.
Original Communication (restricted to ATLAS) - Full text
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6651.
Hard probes results from the ATLAS experiment / Milov, Alexander (Weizmann Inst.)
The ATLAS experiment at the LHC has a diverse research program exploring the physics of the heavy ion collisions at the LHC energies. [...]
ATL-PHYS-PROC-2019-001. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6652.
Fiducial cross-section measurements of top-quark pair production in association with a photon at $\sqrt{s}= 13$ TeV with the ATLAS detector / Smith, Joshua Wyatt (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
Top-quark pairs in association with final state particles are produced in large quantities at the LHC due to the high centre-of-mass energy available in proton-proton collisions. [...]
ATL-PHYS-PROC-2019-007. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6653.
Data-driven estimation of fake τ background in Higgs searches in ATLAS / Bahmani, Marzieh (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
In the ATLAS experiment at the LHC, analyses using reconstructed τ leptons, estimation of backgrounds arising for jets misidentified as hadronically decaying τs becomes a crucial issue. [...]
ATL-PHYS-PROC-2019-006. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6654.
Differential measurements of ttbar production in ATLAS / Negrini, Matteo (Universita e INFN, Bologna)
Differential cross sections of ttbar production have been measured by the ATLAS experiment at the LHC. [...]
arXiv:1901.04735 ; ATL-PHYS-PROC-2019-005. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6655.
Sensitivity of searches for the flavour-changing neutral current decay $t\rightarrow qZ$ using the upgraded ATLAS experiment at the High Luminosity LHC
The sensitivity of the ATLAS experiment in the search for flavour-changing neutral-current top quark decays is presented. [...]
ATL-PHYS-PUB-2019-001. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6656.
Measurements of inclusive and differential cross-sections of $t\bar{t}\gamma$ production in leptonic final states in a fiducial volume at $\sqrt{s}$ = 13 TeV / Moreno Llacer, Maria (European Laboratory for Particle Physics, CERN)
The latest results of the ATLAS experiment for the production of a top-quark pair in association with a photon using proton-proton collision data from the LHC at a centre-of-mass energy of 13 TeV are summarised here. [...]
ATL-PHYS-PROC-2019-004. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6657.
Electromagnetic processes with quasireal photons in Pb+Pb collisions: QED, QCD, and the QGP / Steinberg, Peter (Brookhaven)
Electromagnetic processes, both photon-photon and photon-nucleus, are shown to be useful in studying aspects of QED, QCD, and potentially the QGP. [...]
ATL-PHYS-PROC-2019-003. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6658.
SUSY searches with the ATLAS detector / Jinnouchi, Osamu (Tokyo Institute of Technology)
Recent searches for physics beyond the Standard Model based on the Super-symmetry model with the ATLAS detector is overviewed [...]
ATL-PHYS-PROC-2019-002. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6659.
Higgs (general) at ATLAS / Yao, Wei-Ming (Lawrence Berkeley National Lab. (US))
The ATLAS Higgs results are reviewed using Run-2 data taken at a center-of-mass energy of 13 TeV with up to an integrated luminosity of 80 fb$^{-1}$. [...]
arXiv:1901.05527 ; ATL-PHYS-PROC-2019-013. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Fulltext
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6660.
Top-antitop charge asymmetry measurements in the lepton+jets channel with the ATLAS detector / Melo, Matej (Comenius University)
We report a measurement of the charge asymmetry in top quark pair production with the ATLAS experiment at the LHC using 20.3 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} = 8$ TeV. [...]
ATL-PHYS-PROC-2019-012. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6661.
Charged-particle production in Pb+Pb and Xe+Xe collisions measured with the ATLAS detector / Balek, Petr (Weizmann Inst.)
Measurements of charged-particle production in heavy-ion collisions and their comparison to $pp$ data provide insight into the properties of the quark-gluon plasma. [...]
ATL-PHYS-PROC-2019-011. - SISSA, 2019. - 5 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6662.
Photon and jet probes of small collision systems with ATLAS / Spousta, Martin (Charles U.)
Recent results from $p$+Pb collisions at the LHC provide important information for constraining initial state effects of nuclear collisions and possible modifications of parton distribution functions in the nuclear environment. [...]
ATL-PHYS-PROC-2019-010. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6663.
Top-antitop charge asymmetry measurements in the dilepton channel with the ATLAS detector / Kido, Shogo (Kobe University)
We report a measurement of the charge asymmetry $A_C$ in top quark pair production with the ATLAS experiment. [...]
arXiv:1901.04242 ; ATL-PHYS-PROC-2019-009. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6664.
Top-quark mass at ATLAS and CMS / Tokar, Stanislav (Comenius University)
The top-quark mass measurements carried out by the LHC experiments, ATLAS and CMS, are summarized. [...]
ATL-PHYS-PROC-2019-008. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6665.
Top-quark pair production in association with a $Z$ boson in the 4$\ell$ channel with the ATLAS experiment / Heer, Sebastian (University of Bonn)
The cross section of the $t\bar{t}Z$ and $t\bar{t}W$ processes are measured in a simultaneous fit using 36.1 $\text{fb}^{-1}$ of of proton--proton collisions at a centre-of-mass energy of $\sqrt{s}=13\ \text{TeV}$ recorded by the ATLAS experiment at the LHC. [...]
arXiv:1901.04408 ; ATL-PHYS-PROC-2018- ; ATL-PHYS-PROC-2019-015. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6666.
$B^0_d \to K^{*0}\mu\mu$ angular analysis prospects with the upgraded ATLAS detector at the HL-LHC
This note estimates the ATLAS detector performance in measuring the angular parameters describing the $B^0_d \to K^{*0}\mu\mu$ decay angular distribution, during the whole HL-LHC campaign. [...]
ATL-PHYS-PUB-2019-003. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6667.
Search prospects for dark-photons decaying to displaced collimated jets of muons at HL-LHC
Several models of new physics beyond the Standard Model predict the existence of neutral particles that decay to pairs of leptons. [...]
ATL-PHYS-PUB-2019-002. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6668.
Measurement of fragmentation functions and angular and momentum distributions of charged particles within and around jets in Pb+Pb and $pp$ collisions at $\sqrt{s_{\mathrm{NN}}}=$5.02 TeV with ATLAS at the LHC / Puri, Akshat (Illinois U., Urbana (main))
Studies of the fragmentation of jets into charged particles in heavy-ion collisions can help in understanding the mechanism of jet quenching by the hot and dense QCD matter created in such collisions, the quark-gluon plasma. [...]
ATL-PHYS-PROC-2019-014. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6669.
Quality control for ATLAS Inner Tracker strip sensor production / Klein, Christoph (Cambridge U.)
With the upgrade of the LHC to the High-Luminosity LHC (HL-LHC), scheduled to be installed in 2024, the Inner Detector will be replaced with the new all-silicon ATLAS Inner Tracker (ITk) to maintain tracking performance in this high-occupancy environment and to cope with the increase of approximately a factor of ten in the integrated radiation dose. [...]
ATL-ITK-PROC-2019-001. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6670.
ttbar + Z, W, ttbar at ATLAS / Nellist, Clara (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
The newest results from the ATLAS Collaboration for the production of a top-quark pair in association with a Z or W boson, or a second top-quark pair are summarised in these proceedings. [...]
ATL-PHYS-PROC-2019-018. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6671.
Expected performance of the ATLAS detector at the High-Luminosity LHC
The High-Luminosity LHC (HL-LHC) will deliver proton-proton collisions at a center-of-mass energy of $\sqrt{s} = 14$ TeV with a baseline instantaneous luminosity of $5 \cdot 10^{34} \text{ cm}^{-2}\text{s}^{-1}$ and an ultimate achievable instantaneous luminosity of $7.5 \cdot 10^{34}\text{ cm}^{-2}\text{s}^{-1}$. [...]
ATL-PHYS-PUB-2019-005. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6672.
Modelling of the vector boson scattering process $pp\rightarrow W^\pm W^\pm jj$ in Monte Carlo generators in ATLAS
Predicted cross sections for electroweak scattering of two same-sign $W$ bosons in association with two jets ($pp\rightarrow W^\pm W^\pm jj$) are compared for a number of Monte Carlo configurations. [...]
ATL-PHYS-PUB-2019-004. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6673.
Top Scicomm: Communicating ATLAS Top Physics Results to the Public / Nellist, Clara (Georg-August-Universitat Goettingen, II. Physikalisches Institut) ; Anthony-Kittelsen, Katarina-Amelia (INFN Gruppo Collegato di Udine, Dipartimento Politecnico di Ingegneria ed Architettura, Universita' di Udine, Udine) ; Goldfarb, Steven (ARC Centre of Excellence in Particle Physics at the Terascale, School of Physics, The University of Melbourne) ; Mehlhase, Sascha (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Shaw, Kate (University of Sussex) ; Thais, Savannah Jennifer (Yale University) ; Jarvis-Ward , Emma (INFN Gruppo Collegato di Udine, Dipartimento Politecnico di Ingegneria ed Architettura, Universita' di Udine, Udine)
An essential component of the long-term success of scientific research is communicating the methodology and significance of new results to the wider public. [...]
ATL-OREACH-PROC-2019-001. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6674.
Charm physics at ATLAS / Turchikhin, Semen (Joint Institute for Nuclear Research)
This proceeding contribution presents the recent highlights of charm physics programme of the ATLAS experiment at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2019-017. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6675.
Comparative overview of differential measurements at ATLAS and CMS. / Fabbri, Federica (University of Glasgow, SUPA - School of Physics and Astronomy)
An overview of the measurements of differential top-quark pair production cross sections in proton-proton collisions at a center of mass energy of 13 TeV at the Large Hadron Collider using the ATLAS and CMS detectors is presented. [...]
ATL-PHYS-PROC-2019-016. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6676.
ATLAS Forward Proton detectors status and plans / Erland, Paula Agnieszka (Cracow, INP)
A brief description of the ATLAS Forward Proton detectors is given. [...]
ATL-FWD-PROC-2019-001. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6677.
ITk strip module design and performance / Sykora, Martin (Charles U.)
The all-silicon ATLAS ITk Detector, vertexing and tracking device for the High-Luminosity LHC project, should operate at an ultimate peak instantaneous luminosity up to $7.5\times10^{34}$ cm$^{-2}$ s$^{-1}$ corresponding to approximately 200 inelastic proton-proton interactions per beam crossing. [...]
ATL-ITK-PROC-2019-002. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6678.
Module Development for the Phase-2 ATLAS ITk Pixel Upgrade / Kobayashi, Dai (Kyushu University)
For the high luminosity upgrade of the Large Hadron Collider (HL-LHC), the instanta- neous luminosity is expected to reach unprecedented values, resulting in about 200 proton-proton interactions in a typical bunch crossing. [...]
ATL-ITK-PROC-2019-003. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6679.
Recent results from SUSY searches with ATLAS and prospects for the HL-LHC / Ventura, Andrea (INFN Lecce and Universita del Salento, Dipartimento di Matematica e Fisica)
Even if no experimental evidence has been found so far, TeV-scale supersymmetry is still one of the most popular extensions of the Standard Model. [...]
ATL-PHYS-PROC-2019-022. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6680.
Measurements of the Higgs Boson Properties at the ATLAS Experiment / Biglietti, Michela (Universita e INFN, Roma Tre)
Measurements sensitive to the Higgs boson production and decay performed at the Large Hadron Collider by the ATLAS experiment are reviewed. [...]
ATL-PHYS-PROC-2019-021. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6681.
Measurement of cross-sections and Properties of the Higgs Boson using the ATLAS Detector / Marchese, Luigi (Oxford U.)
In this paper we review the latest measurements of the Higgs boson production and decay performed at the Large Hadron Collider by the ATLAS experiments. [...]
ATL-PHYS-PROC-2019-020. - 2019. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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6682.
Searches for electroweak production of supersymmetric gauginos and sleptons with the ATLAS detector / Arduh, Francisco Anuar (Universidad National de La Plata (UNLP))
Supersymmetry (SUSY) is considered one of the best motivated extensions of the Standard Model. [...]
ATL-PHYS-PROC-2019-019. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6683.
Phase-II upgrade of the ATLAS Pixel Detector / Hamer, Matthias (Bonn U.)
The Large Hadron Collider (LHC) will be upgraded to the High Luminosity-LHC (HL-LHC), which will deliver proton-proton collisions at a much higher instantaneous luminosity than that of present LHC from 2026 on. [...]
ATL-ITK-PROC-2019-005. - SISSA, 2019. - 10 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6684.
Validation of signal Monte Carlo event generation in searches for Higgs boson pairs with the ATLAS detector
This note presents the validation of signal Monte Carlo event generation for the searches of Higgs boson pairs using the full Run2 dataset collected by the ATLAS detector. [...]
ATL-PHYS-PUB-2019-007. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6685.
HL/HE-LHC Yellow Report Volume II
This book collects the original notes from the ATLAS and CMS Collaborations, used as input to the 2018 HL/HE-LHC workshop and to the reports of the working groups..
ATL-PHYS-PUB-2019-006. - 2019. - 1358 p.
Original Communication (restricted to ATLAS) - Full text
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6686.
Search for high-mass dilepton resonances using $139\,\mathrm{fb}^{-1}$ of $pp$ collision data collected at $\sqrt{s}=13\,\mathrm{TeV}$ with the ATLAS detector
A search for high-mass dielectron and dimuon resonances in the mass range of 250$\,$GeV to 6$\,$TeV is presented. [...]
ATLAS-CONF-2019-001. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6687.
Results of larger structures prototyping for the Phase-II upgrade of the pixel detector of the ATLAS experiment / Kuehn, Susanne (European Laboratory for Particle Physics, CERN)
The current inner tracker of the ATLAS experiment is foreseen to be replaced at the High-Luminosity era of the LHC to cope with the occurring increase in occupancy, bandwidth and radiation damage. [...]
ATL-ITK-PROC-2019-004. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6688.
Single Event Upsets in the ATLAS IBL Frontend ASICs / Takubo, Yosuke (KEK, High Energy Accelerator Research Organization)
The single event effects like Single Event Upset (SEU) and Single Event Transient (SET) are big concerns in the detector operation in high radiation environment. [...]
ATL-INDET-PROC-2019-001. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6689.
HL-LHC prospects from ATLAS and CMS / Bernius, Catrin (SLAC National Accelerator Laboratory)
The Large Hadron Collider (LHC) has been successfully delivering proton-proton collision data at the unprecedented center of mass energy of 13 TeV. [...]
ATL-PHYS-PROC-2019-023. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6690.
Probing the $\mathcal{CP}$ nature of the Higgs boson coupling to $\tau$ leptons at HL-LHC
This note presents a study for the prospective measurement of the $\mathcal{CP}$ quantum number of the Higgs boson coupling to $\tau$ leptons with 3000 fb$^{-1}$ of proton--proton collisions at $\sqrt{s} = 14$ TeV using the ATLAS detector at the HL-LHC. [...]
ATL-PHYS-PUB-2019-008. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6691.
Search for diboson resonances in hadronic final states in 139 fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Narrow resonances decaying into $WW$, $WZ$ or $ZZ$ boson pairs are searched for in 139 fb$^{-1}$ of proton-proton data at a centre-of-mass energy of $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the Large Hadron Collider from 2015 to 2018. [...]
ATLAS-CONF-2019-003. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6692.
Observation of light-by-light scattering in ultraperipheral Pb+Pb collisions with the ATLAS detector
This note describes the observation of the light-by-light scattering process, $\gamma\gamma\to\gamma\gamma$, in Pb+Pb collisions at $\sqrt{s_\mathrm{NN}}$=5.02 TeV. [...]
ATLAS-CONF-2019-002. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6693.
A High-Granularity Timing Detector (HGTD) for the Phase-II upgrade of the ATLAS detector / Mazza, Simone Michele (Santa Cruz Institute for Particle Physics, University of California Santa Cruz)
The expected increase of the particle flux at the high luminosity phase of the LHC (HL-LHC) with instantaneous luminosities up to L$ = 7.5\times 10^{34} $cm$^{-1} $s$^{-1}$ will have a severe impact on the ATLAS detector performance. [...]
ATL-LARG-PROC-2019-001. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6694.
Overview of Heavy Ions from the ATLAS Experiment / Santos, Helena (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisboa)
The experimental data collected by the ATLAS experiment during the LHC Run 2 provide a broad physics program to probe and characterize the Quark Gluon Plasma created in these collision systems. [...]
ATL-PHYS-PROC-2019-026. - 2019. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6695.
The ATLAS ITk strip detector for the High-Luminosity LHC / Blue, Andrew James (Glasgow U.)
The High Luminosity Large Hadron Collider (HL-LHC) will operate at an ultimate peak instantaneous luminosity of $7.5\times10^{34}\mathrm{cm}^{-2}\mathrm{s}^{-1}$ which corresponds to approximately 200 inelastic proton-proton collisions per beam crossing (pile-up). [...]
ATL-ITK-PROC-2019-007. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - ATLAS Note - Fulltext from publisher
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6696.
Digital signal processing in FPGA for particle track reconstruction at the HL-LHC ATLAS / Poggi, Riccardo (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
The object of this work is to present the latest update on the design of the FPGA firmware responsible of particle track reconstruction in the pattern recognition mezzanine (PRM) of the hardware-based tracking for the trigger (HTT) system. [...]
ATL-DAQ-PROC-2019-001. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6697.
The ATLAS ITk Strip Detector System for the High Luminosity LHC Upgrade / Keller, John Stakely (Carleton University)
The ATLAS experiment at the Large Hadron Collider is currently preparing major detector upgrades to meet the requirements of the High Luminosity LHC (HL-LHC), scheduled to begin in 2026. [...]
ATL-ITK-PROC-2019-006. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6698.
The PreProcessor Module for the ATLAS Tile Calorimeter at the HL-LHC / Carrio Argos, Fernando (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Valero, Alberto (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The Tile Calorimeter (TileCal) is the central hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider. [...]
ATL-TILECAL-PROC-2019-001. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6699.
Collider physics at the intensity and energy frontier / Meloni, Federico (DESY, Hamburg and Zeuthen)
The LHC results have set the stage for the discussion of future high-energy physics facilities. [...]
ATL-PHYS-PROC-2019-025. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6700.
Light-by-light scattering in lead-lead collisions in the ATLAS experiment / Ogrodnik, Agnieszka (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Light-by-light (LbyL) scattering, $\gamma\gamma\rightarrow\gamma\gamma$, is a quantum-mechanical process, forbidden by the classical theory of electrodynamics. [...]
ATL-PHYS-PROC-2019-024. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6701.
Module and System test Development for the Phase-2 ATLAS ITk Pixel Upgrade / Flick, Tobias (Bergische Universitaet Wuppertal)
In the high-luminosity era of the Large Hadron Collider, the instantaneous luminosity is expected to reach unprecedented values, resulting in about 200 proton-proton interactions in a typical bunch crossing. [...]
ATL-ITK-PROC-2019-008. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6702.
Standard Model Summary Plots Spring 2019
This note presents cross section summary plots for measurements in the ATLAS Standard Model group as of Spring 2019..
ATL-PHYS-PUB-2019-010. - 2019. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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6703.
Measurement of the CP violation phase $\phi_{s}$ in $B_{s}\to J/\psi \phi$ decays in ATLAS at 13 TeV
A measurement of the $B_{s}$ decay parameters using 80.5 fb$^{-1}$ of integrated luminosity collected by the ATLAS detector from $13$ TeV $pp$ collisions at the LHC is presented. [...]
ATLAS-CONF-2019-009. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6704.
Search for electroweak production of charginos and sleptons decaying in final states with two leptons and missing transverse momentum in $\sqrt{s}=13$ TeV $pp$ collisions using the ATLAS detector
A search for the electroweak production of charginos and sleptons decaying into final states with two electrons or muons is presented. [...]
ATLAS-CONF-2019-008. - 2019. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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6705.
Search for New Phenomena in Dijet Events using 139 fb$^{−1}$ of $pp$ collisions at $\sqrt{s}$ = 13TeV collected with the ATLAS Detector
A search for new resonances decaying into two hadronic jets is reported using the entire dataset of proton-proton collisions recorded at $\sqrt{s}$ = 13 TeV with the ATLAS detector at the Large Hadron Collider between 2015 and 2018, corresponding to an integrated luminosity of 139 fb$^{−1}$ . [...]
ATLAS-CONF-2019-007. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6706.
Search for long-lived, massive particles in events with a displaced vertex and a displaced muon in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for long-lived particles decaying into at least one muon and hadrons is presented. [...]
ATLAS-CONF-2019-006. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6707.
Combined measurements of Higgs boson production and decay using up to $80$ fb$^{-1}$ of proton--proton collision data at $\sqrt{s}=$ 13 TeV collected with the ATLAS experiment
Combined measurements of Higgs boson production cross sections and branching fractions are presented. [...]
ATLAS-CONF-2019-005. - 2019. - 79 p.
Original Communication (restricted to ATLAS) - Full text
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6708.
Measurement of Higgs boson production in association with a $t\overline t$ pair in the diphoton decay channel using 139~fb$^{-1}$ of LHC data collected at $\sqrt{s} = 13$~TeV by the ATLAS experiment
The measurement of Higgs boson production in association with a top quark-antiquark pair in the diphoton decay channel ($H \to \gamma \gamma$) is presented, based on the analysis of 139~fb$^{-1}$ of proton-proton collision data with center-of-mass energy $\sqrt{s}=13$ TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2019-004. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6709.
Constraint of the Higgs boson self-coupling from Higgs boson differential production and decay measurements
This note sets constraints on the Higgs boson self-coupling exploiting single Higgs boson production. [...]
ATL-PHYS-PUB-2019-009. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6710.
Expected Tracking Performance of the ATLAS Inner Tracker at the HL-LHC
The High-Luminosity LHC (HL-LHC) with its high number of collisions per bunch crossing will present a highly challenging environment to particle detectors. [...]
ATL-PHYS-PUB-2019-014. - 2019. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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6711.
Observation of Higgs in $b\bar{b}$ channel from ATLAS and CMS / Vittori, Camilla (Universita e INFN, Bologna)
Measurements of Higgs boson decays to fermions are important to understand the mass generation of fermions. [...]
ATL-PHYS-PROC-2019-028. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6712.
Design, Construction and Test of Small-Diameter Muon Drift Tube Chambers (sMDT) for the Phase-1 Upgrade of the ATLAS Muon Spectrometer / Rieck, Patrick (Max-Planck-Institut fuer Physik)
The ATLAS muon spectrometer consists of an efficient muon trigger system and high muon momentum resolution up to the TeV scale. [...]
ATL-MUON-PROC-2019-002. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6713.
First Production Modules of the ATLAS Micromegas and Performance Studies / Koulouris, Aimilianos (National Technical University of Athens)
The ATLAS collaboration at LHC has endorsed the resistive Micromegas technology, along with the small-strip Thin Gap Chambers (sTGC), for the high luminosity upgrade of the first muon station in the high-rapidity region, the so called New Small Wheel (NSW) project. [...]
ATL-MUON-PROC-2019-001. - 2019. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6714.
Performance of vertex reconstruction algorithms for detection of new long-lived particle decays within the ATLAS inner detector
Several theories beyond the Standard Model predict the existence of new particles with macroscopic lifetimes of $c\tau\gtrsim {\cal O}(1~{\rm mm})$ that could be created in $pp$ collisions at the Large Hadron Collider. [...]
ATL-PHYS-PUB-2019-013. - 2019. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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6715.
Search for bottom-squark pair production with the ATLAS detector in final states containing Higgs bosons, $b$-jets and missing transverse momentum
The result of a search for the pair production of the supersymmetric partner of the bottom-quark ($\tilde{b}$) using 139 fb$^{-1}$ of data collected at $\sqrt{s} = 13$ TeV by the ATLAS detector in Run 2 is reported. [...]
ATLAS-CONF-2019-011. - 2019. - 32 p.
Original Communication (restricted to ATLAS) - Full text
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6716.
Search for heavy neutral Higgs bosons produced in association with $b$-quarks and decaying to $b$-quarks at $\sqrt{s}=13$~TeV with the ATLAS detector
A search for heavy neutral Higgs bosons produced in association with one or two $b$-quarks and decaying to $b$-quark pairs is presented using 27.8 fb$^{-1}$ of $\sqrt{s}=13$~TeV proton--proton collision data recorded by the ATLAS detector at the Large Hadron Collider during 2015 and 2016. [...]
ATLAS-CONF-2019-010. - 2019. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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6717.
Search for new phenomena in high-mass final states with a photon and a jet from pp collisions at 13TeV with the ATLAS detector / Bossio Sola, Jonathan David (U. Buenos Aires)
A search is performed for new phenomena in events having a photon with high transverse momentum and a jet collected in 36.7$\text{fb}^{-1}$ of proton-proton collisions at a centre-of-mass energy of 13TeV recorded with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2019-027. - 2019. - 15 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6718.
SUSY March 2019 Summary Plot Update
These are summary plots, updated for the SUSY group in March 2019..
ATL-PHYS-PUB-2019-012. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6719.
Performance of tracking and vertexing techniques for a disappearing track plus soft track signature with the ATLAS detector
Several theories beyond the Standard Model predict the existence of massive long-lived charged particles with an extremely compressed mass spectra. [...]
ATL-PHYS-PUB-2019-011. - 2019. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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6720.
ATLAS LAr Calorimeter Performance in LHC Run 2 and Electronics Upgrades for next Runs / McKay, Madalyn Ann (Southern Methodist University, Department of Physics)
Liquid argon (LAr) sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region $|\eta| < 3.2$, and for hadronic and forward calorimetry in the region from $|\eta| = 1.5$ to $|\eta| = 4.9$. [...]
ATL-LARG-PROC-2019-002. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6721.
Extractions of the QCD coupling in ATLAS / Barreiro, Fernando (Madrid, Autonoma U.)
I discuss two recent measurements by the ATLAS collaboration [1] at the LHC on transverse energy-energy correlations and on the transverse momentum and rapidity dependence of dijet azimuthal decorrelations at $\sqrt{s} = 8$ TeV. [...]
ATL-PHYS-PROC-2019-030. - SISSA, 2019. - 5 p.
Original Communication (restricted to ATLAS) - ATLAS Note - Fulltext from publisher
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6722.
SUSY searches in ATLAS and CMS / Santra, Arka (Valencia U., IFIC ; Valencia U.)
Supersymmetry is one of the most popular beyond-standard-model theories at present. [...]
ATL-PHYS-PROC-2019-029. - 2019. - 17 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6723.
Measurement of Differential Cross Sections for Single Diffractive Dissociation in $\sqrt{s} = 8 TeV$ pp collisions using the ATLAS ALFA Spectrometer
A dedicated sample of $\sqrt{s} = 8 TeV$ pp collision data from the Large Hadron Collider is used to study inclusive single diffractive dissociation, $pp \rightarrow Xp$. [...]
ATLAS-CONF-2019-012. - 2019. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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6724.
QCD analysis of ATLAS $W^{\pm}$ boson production data in association with jets
The present note describes the QCD analysis of the ATLAS measurement of $W^{+}$ and $W^{-}$ boson production measurements in association with jets, performed with data from 2012 at a centre-of-mass energy of $8 ~\mathrm{TeV}$. [...]
ATL-PHYS-PUB-2019-016. - 2019. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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6725.
Development of ATLAS Primary Vertex Reconstruction for LHC Run 3
Increasing luminosity at the Large Hadron Collider (LHC) poses a challenge for primary vertex reconstruction in ATLAS. [...]
ATL-PHYS-PUB-2019-015. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6726.
Multijet simulation for 13 TeV ATLAS Analyses
New event generator configurations for the modelling of jet production at $\sqrt{s}=13$ TeV with the ATLAS detector are presented. [...]
ATL-PHYS-PUB-2019-017. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6727.
Tests of the electroweak sector with precision measurements and diboson final states at the ATLAS Experiment. / Fabbri, Laura (Universita e INFN, Bologna)
The electroweak sector of the Standard Model can be tested either via precision measurements of fundamental observables or via direct tests of its underlying gauge structure. [...]
ATL-PHYS-PROC-2019-032. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6728.
Constraints on Standard Model physics from colliders / Schmieden, Kristof (CERN)
Effective field theories provide an elegant approach to study possible new physics scenarios, by comparing precision measurements with Standard Model predictions. [...]
ATL-PHYS-PROC-2019-031. - 2019. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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6729.
Validation of the muon momentum corrections for the ATLAS simulation using the $\varUpsilon \rightarrow \mu\mu$ channel based on 36.5 fb$^{-1}$ of $pp$ collision data collected in 2015 and 2016
This note documents the validation of the muon momentum corrections of the ATLAS detector using the LHC dataset recorded at $\sqrt{s}$ = 13 TeV in 2015 and 2016 corresponding to a dataset of 36.5 fb$^{−1}$ of pp collision data. [...]
ATL-PHYS-PUB-2019-018. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6730.
Searches for lepton-flavour-violating decays of the Higgs boson in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
This note presents direct searches for lepton flavour violation in Higgs boson decays, $H\rightarrow e\tau$ and $H\rightarrow\mu\tau$, performed with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2019-013. - 2019. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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6731.
Performance evaluation of distributed file systems for the phase-II upgrade of the ATLAS experiment at CERN / Abed Abud, Adam (INFN Pavia and Universita' di Pavia, Dipartimento di Fisica)
Over the next few years, the LHC will prepare for the upcoming High-Luminosity upgrade in which it is expected to deliver ten times more p-p collisions. [...]
ATL-DAQ-PROC-2019-003. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6732.
Diboson searches including HH in ATLAS and CMS in Run 2 / Shaw, Savanna Marie (Manchester U.)
Many models for physics beyond the Standard Model, such as an extended Higgs sector, Heavy Vector triplets ($W'$ and $Z'$), or exited states of of gravitons, predict a heavy resonance that decays to a pair of bosons ($W$, $Z$, $H$). [...]
ATL-PHYS-PROC-2019-033. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6733.
Multi-threaded checksum computation for ATLAS high-performance storage software / Le Goff, Fabrice (European Laboratory for Particle Physics, CERN) ; Avolio, Giuseppe (European Laboratory for Particle Physics, CERN)
ATLAS is one of the generic-purpose experiments observing hadron collisions at the LHC at CERN. [...]
ATL-DAQ-PROC-2019-002. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6734.
The ATLAS EventIndex and its evolution towards Run 3 / ATLAS Collaboration
The ATLAS experiment produced so far hundreds of petabytes of data and expects to have one order of magnitude more in the future. [...]
ATL-SOFT-PROC-2019-003. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6735.
An Ensemble of Neural Networks for Online Electron Filtering at the ATLAS Experiment / Spolidoro Freund, Werner (Universidade Federal do Rio De Janeiro, COPPE/EE/IF)
The ATLAS experiment implemented an ensemble of neural networks (NeuralRinger algorithm) dedicated to improving the performance of event filters selecting electrons in the high-input-rate online environment of the Large Hadron Collider (LHC) at CERN. [...]
ATL-DAQ-PROC-2019-009. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6736.
Towards the Increase in Granularity for the Main Hadronic ATLAS Calorimeter: Exploiting Deep Learning Methods / Do Nascimento Gaspar, Philipp (Universidade Federal do Rio De Janeiro, COPPE/EE/IF) ; Seixas, Jose (Universidade Federal do Rio De Janeiro, COPPE/EE/IF)
During the second phase upgrade program developed for LHC and its experiments, the main hadronic calorimeter of ATLAS (TileCal) will redesign completely its readout electronics, but the optical signal pathway will be kept unchanged. [...]
ATL-TILECAL-PROC-2019-003. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6737.
Evaluating InfluxDB and ClickHouse database technologies for improvements of the ATLAS operational monitoring data archiving / Vasile, Matei Eugen (Horia Hulubei National Institute of Physics and Nuclear Engineering) ; Avolio, Giuseppe (European Laboratory for Particle Physics, CERN) ; Soloviev, Igor (University of California, Irvine) - provided background information, assistance and feedback provided background information, assistance and feedback
The Trigger and Data Acquisition system of the ATLAS experiment at the Large Hadron Collider at CERN is composed of a large number of distributed hardware and software components which provide the data-taking functionality of the overall system. [...]
ATL-DAQ-PROC-2019-008. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6738.
THE CONTROLS AND CONFIGURATION SOFTWARE OF THE ATLAS DATA ACQUISITION SYSTEM FOR LHC RUN 2 / ATLAS Collaboration
The ATLAS experiment at the Large Hadron Collider (LHC) operated very successfully in the years 2008 to 2013, identified as Run 1. [...]
ATL-DAQ-PROC-2019-007. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6739.
Heavy ion physics at ATLAS and CMS: flow harmonics across systems (pp, p+Pb, Xe+Xe, Pb+Pb) / Wozniak, Krzysztof Wieslaw (Polish Academy of Sciences (PL))
The collective flow of produced particles is one of the signatures of the creation of the Quark- Gluon Plasma (QGP) in heavy ion collisions. [...]
ATL-PHYS-PROC-2019-036. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6740.
Energy reconstruction of the ATLAS Tile Calorimeter under high pile-up conditions using the Wiener Filter / Oliveira Goncalves, Dayane (Universidade Federal de Juiz de Fora (UFJF))
The ATLAS experiment records data from the proton-proton collisions produced by the Large Hadron Collider (LHC). [...]
ATL-TILECAL-PROC-2019-002. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6741.
Constructing mass-decorrelated hadronic decay taggers in ATLAS / Sogaard, Andreas (The University of Edinburgh (GB))
A large number of physics processes as seen by the ATLAS experiment manifest as collimated, hadronic sprays of particles known as ‘jets’. [...]
ATL-SOFT-PROC-2019-002. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6742.
Identifying hadronically-decaying vector bosons and top quarks in ATLAS / Majersky, Oliver (Comenius University)
Hadronic decays of vector bosons and top quarks are increasingly important to the ATLAS physics program, both in measurements of the Standard Model and searches for new physics. [...]
ATL-SOFT-PROC-2019-001. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Preprint - Fulltext from publisher
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6743.
QCD with jets and photons at ATLAS and CMS / Bossio Sola, Jonathan David (McGill University, Department of Physics)
The most recent QCD results involving jets and photons in the final state in proton-proton collisions data recorded by the ATLAS and CMS Collaborations at the LHC are summarized..
ATL-PHYS-PROC-2019-035. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6744.
Searches for New Resonances (lepton, jets) at ATLAS and CMS / Abulaiti, Yiming (Argonne National Laboratory)
This paper summarizes recent results from searches for new resonances and nonresonance signatures in final states including jets and leptons (electrons, muons), with the Run 2 LHC data collected during the years 2015 to 2018 at center-of-mass energy from the ATLAS and CMS collaborations. [...]
ATL-PHYS-PROC-2019-034. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6745.
ELisA: the ATLAS logbook facility extensions / Corso-Radu, Alina (University of California, Irvine) ; Avolio, Giuseppe (European Laboratory for Particle Physics, CERN)
Information concerning the operation, configuration and behavior of the ATLAS experiment need to be reported, gathered and shared reliably with the whole ATLAS community which comprises over three thousand scientists geographically distributed all over the world. [...]
ATL-DAQ-PROC-2019-006. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6746.
The FELIX detector interface for the ATLAS TDAQ upgrades and its deployment in the ITK demonstrator setup / Solans, Carlos (European Laboratory for Particle Physics, CERN)
The ATLAS experiment at the LHC at CERN will move to use the Front-End Link eXchange (FELIX) system in a staged approach for LHC Run 3 (2021) and LHC Run 4 (2026). [...]
ATL-DAQ-PROC-2019-005. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6747.
ATLAS High Level Trigger within the multi-threaded software framework AthenaMT / Bielski, Rafal (European Laboratory for Particle Physics, CERN) ; ATLAS Collaboration
Athena is the software framework used in the ATLAS experiment throughout the data processing path, from the software trigger system through offline event reconstruction to physics analysis. [...]
ATL-DAQ-PROC-2019-004. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6748.
Generation and Simulation of $R$-Hadrons in the ATLAS Experiment
This note details the generation and simulation of metastable, long-lived particles with colour charge. [...]
ATL-PHYS-PUB-2019-019. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6749.
Searches for electroweak production of supersymmetric particles with compressed mass spectra in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector
This note presents results of searches for electroweak production of supersymmetric particles in models with compressed mass spectra. [...]
ATLAS-CONF-2019-014. - 2019. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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6750.
Track propagation for different detector and magnetic field setups in Acts / Klimpel, Fabian (CERN)
Track finding and fitting are amongst the most complex part of event reconstruction in high-energy physics, and dominates usually the computing time in high luminosity environment. [...]
ATL-SOFT-PROC-2019-004. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6751.
Hardware Accelerated ATLAS Workloads on the WLCG grid / Forti, Alessandra (School of Physics and Astronomy, University of Manchester) ; Heinrich, Lukas (European Laboratory for Particle Physics, CERN) ; Guth, Manuel (Albert-Ludwigs-Universitaet Freiburg)
In recent years the usage of machine learning techniques within data-intensive sciences in general and high-energy physics in particular has rapidly increased, in part due to the availability of large datasets on which such algorithms can be trained as well as suitable hardware, such as graphics or tensor processing units which greatly accelerate the training and execution of such algorithms. [...]
ATL-SOFT-PROC-2019-006. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6752.
Production of Quarkonia and Heavy Flavor States in ATLAS / Seidel, Sally (University of New Mexico)
Two recent analyses of data collected with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2019-041. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6753.
A New Visual Analytics Toolkit for ATLAS Computing Metadata / Grigorieva, M A (Lomonosov Moscow State U.) ; Alekseev, A A (Tomsk Polytechnic U.) ; Galkin, T P (Moscow Phys. Eng. Inst.) ; Klimentov, A A (Brookhaven Natl. Lab.) ; Korchuganova, T A (Tomsk Polytechnic U.) ; Milman, I E (Brookhaven Natl. Lab.) ; Padolski, S V (Brookhaven Natl. Lab.) ; Pilyugin, V V (Moscow Phys. Eng. Inst.) ; Titov, M A (Lomonosov Moscow State U.)
The ATLAS experiment at the Large Hadron Collider has a complex heterogeneous distributed computing infrastructure, which is used to process and analyse exabytes of data. [...]
ATL-SOFT-PROC-2019-005. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6754.
Proceedings of the First Higgs Hunters Schools’ Conference / ATLAS Collaboration
These proceedings report the results of five individuals or groups of UK school students who submitted posters on the Higgs Hunters Schools conference at Oxford organised by the Institute for Research in Schools
ATL-OREACH-PROC-2019-002. - 2019. - 16 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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6755.
Z(ν ν̄)γ measurement and neutral TGC limits at 13 TeV with the ATLAS detector / Dartsi, Olympia (LAPP, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS/IN2P3, Annecy)
Z(nunu)gamma measurement and neutral aTGC limits at 13 TeV, proceedings for the talk at the MoscowSchool2019 in HSE Study Center, Voronovo, Russia..
ATL-PHYS-PROC-2019-040. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6756.
Comparison of ATLAS and CMS $t\bar{t}$ Monte Carlo Simulation
A preliminary Comparison of $t\bar{t}$ Monte Carlo simulation within ATLAS and CMS. [...]
ATL-PHYS-PUB-2019-021. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6757.
Top Quark Mass Summary Plots
This note presents plots summarising ATLAS results and combinations of top quark mass measurements..
ATL-PHYS-PUB-2019-020. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6758.
Search for chargino-neutralino production with mass splittings near the electroweak scale in three-lepton final states in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector
A search for supersymmetry through the pair production of electroweakinos with mass splitting near the electroweak scale decaying via on-shell $W$ and $Z$ bosons is presented in a three-lepton final state. [...]
ATLAS-CONF-2019-020. - 2019. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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6759.
Search for direct production of electroweakinos in final states with missing transverse energy and a Higgs boson decaying into photons in pp collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for a chargino-neutralino pair decaying via the 125 GeV Higgs boson into photons is presented. [...]
ATLAS-CONF-2019-019. - 2019. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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6760.
Search for direct stau production in events with two hadronic tau leptons in √s = 13 TeV pp collisions with the ATLAS detector
A search for the direct production of staus in final states with two hadronically decaying tau leptons is presented. [...]
ATLAS-CONF-2019-018. - 2019. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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6761.
Search for direct top squark pair production in the 3-body decay mode with a final state containing one lepton, jets, and missing transverse momentum in $\sqrt{s}=13$TeV $pp$ collision data with the ATLAS detector
A search for direct pair production of top squarks, the supersymmetric partner of the top quark, is presented. [...]
ATLAS-CONF-2019-017. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6762.
Search for top squarks in events with a $Z$ boson using 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for direct top squark pair production in events with a same-flavour opposite-sign dilepton pair with invariant mass consistent with a $Z$ boson plus missing transverse momentum is presented. [...]
ATLAS-CONF-2019-016. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6763.
Search for squarks and gluinos in final states with same-sign leptons and jets using 139 fb$^{-1}$ of data collected with the ATLAS detector
A search for supersymmetric partners of gluons and quarks is presented, involving signatures with jets and either two isolated leptons (electrons or muons) with the same electric charge, or at least three isolated leptons. [...]
ATLAS-CONF-2019-015. - 2019. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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6764.
Sensor shapes and weak modes of the ATLAS Inner Detector track-based alignment / Wollrath, Julian (Albert-Ludwigs-Universitaet Freiburg)
The alignment of the ATLAS Inner Detector is performed with a track-based algorithm. [...]
arXiv:1910.06060 ; ATL-PHYS-PROC-2019-039 ; PROC-CTD19-134. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6765.
Identifying Merged Tracks in Dense Environments with Machine Learning / McCormack, William Patrick (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Nachman, Benjamin Philip (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Garcia-Sciveres, Maurice (Lawrence Berkeley National Laboratory and University of California, Berkeley)
Tracking in high density environments plays an important role in many physics analyses at the LHC. [...]
ATL-PHYS-PROC-2019-038. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6766.
Searches for Resonances Decaying to Quarks using the ATLAS Detector / Erdmann, Johannes (Fakultaet Physik, Technische Universitaet Dortmund, Dortmund)
Many theories beyond the Standard Model predict new particles that decay to light or heavy quarks. [...]
ATL-PHYS-PROC-2019-037. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6767.
Using ALFA Detectors for the LHC Beam Background Measurements / Dziedzic, Bartosz Sebastian (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
This paper presents background measurements during elastic data taking in 2018 with $\beta^\ast = 100$ m at injection energy using ALFA detectors in the ATLAS experiment. [...]
ATL-FWD-PROC-2019-002. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6768.
Luminosity determination in $pp$ collisions at $\sqrt{s}=13$ TeV using the ATLAS detector at the LHC
This note describes the preliminary determination of the integrated luminosity for $pp$ collisions at $\sqrt{s}=13$ TeV recorded by the ATLAS detector during Run 2 of the LHC from 2015-2018. [...]
ATLAS-CONF-2019-021. - 2019. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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6769.
Search for Dilepton Resonances / White, Aaron (University of Michigan, Department of Physics)
A search for resonances in the dielectron and dimuon mass spectra from 250 GeV to 6 TeV is presented. [...]
ATL-PHYS-PROC-2019-046. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6770.
Exotic Higgs decays at the LHC / Snyder, Scott (Brookhaven National Laboratory (BNL))
Many interesting extensions to the Standard Model predict nonstandard decays of the 125 GeV Higgs boson. [...]
ATL-PHYS-PROC-2019-045. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fultext from publisher
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6771.
Primary Vertex Selection in VBF Higgs to Invisibles at the HL-LHC with the ATLAS Experiment / Safdari, Murtaza (SLAC National Accelerator Laboratory) ; Schwartzman, Ariel (SLAC National Accelerator Laboratory) ; Cairo, Valentina Maria (SLAC National Accelerator Laboratory) ; Lee, Graham Richard (University of Bergen)
ATLAS has developed a new approach for vertex selection in VBF invisible events at HL-LHC conditions, exploiting its new forward tracking capabilities, integrating calorimeter and tracking information to mitigate the impact of pileup vertex merging, and introducing a new way to apply pile-up jet suppression methods for the selection of VBF jets. [...]
arXiv:1910.07681 ; ATL-PHYS-PROC-2019-044. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6772.
Searching for leptoquarks with the ATLAS detector / Pleskot, Vojtech (Charles University, Faculty of Mathematics and Physics, Prague)
Scalar leptoquarks (LQs) were sought using 36.1 fb−1 of pp-collision data at 13 TeV center-of-mass energy. [...]
2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6773.
ATLAS Measurements of CP Violation and Rare Decays in Beauty Mesons / Walkowiak, W. (Siegen U.)
The ATLAS experiment at the Large Hadron Collider (LHC) has performed accurate measurements of mixing and CP violation in the neutral B mesons, and also of rare processes happening in electroweak FCNC-suppressed neutral B-mesons decays. [...]
arXiv:1906.05056 ; ATL-PHYS-PROC-2019-042. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6774.
First tracking performance results from the ATLAS Fast TracKer / Hooberman, Benjamin (Valencia U., IFIC)
Particle physicists at the Large Hadron Collider (LHC) investigate the properties of matter at length scales one million times smaller than the atom by colliding together bunches of high-energy protons and observing the decay products of the collisions. [...]
arXiv:1911.07962 ; ATL-DAQ-PROC-2019-010 ; PROC-CTD19-036. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6775.
Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
The elliptic flow of charm and bottom decay muons is measured in high-multiplicity \pp collisions at $\sqrt{s}=13$ TeV with an integrated luminosity of 150 pb$^{-1}$ using the ATLAS detector at the LHC. [...]
ATLAS-CONF-2019-023. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6776.
Two-particle azimuthal correlations in photo-nuclear ultra-peripheral Pb+Pb collisions at 5.02~TeV with ATLAS
This note presents a measurement of two-particle long-range azimuthal correlations in photo-nuclear collisions using 1.73~nb$^{-1}$ of 5.02~TeV~Pb+Pb data collected in 2018 by ATLAS with a dedicated photo-nuclear event trigger. [...]
ATLAS-CONF-2019-022. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6777.
$t\bar{t}$+X production at ATLAS and CMS / Riu, Imma (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain)
Recent measurements of top-quark pair production in association with W-bosons, Z-bosons, photons and b-tagged jets are reported. [...]
ATL-PHYS-PROC-2019-049. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6778.
Development of ATLAS Primary Vertex Reconstruction for LHC Run 3 / Sanderswood, Izaac Gregory (Lancaster University, Department of Physics)
Increasing luminosity at the Large Hadron Collider (LHC) poses a challenge for primary vertex reconstruction in ATLAS. [...]
arXiv:1910.08405 ; PROC-CTD19-035 ; ATL-PHYS-PROC-2019-048. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6779.
Measurements of dijet azimuthal decorrelations and extraction of $alpha_S$ at ATLAS / Hubacek, Zdenek (Czech Technical University in Prague)
The production of jets at hadron colliders provides stringent tests of perturbative QCD. [...]
ATL-PHYS-PROC-2019-047. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6780.
Deep generative models for fast shower simulation in ATLAS / Ghosh, Aishik (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay)
The need for large scale and high fidelity simulated samples for the ATLAS experiment motivates the development of new simulation techniques. [...]
ATL-SOFT-PROC-2019-007. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6781.
Measurements of single diffraction using the ALFA forward spectrometer at ATLAS / Tasevsky, Marek (Institute of Physics of the Czech Academy of Sciences)
Proton-proton collision data with a low pile-up at the energy $\sqrt{s} = 8$ TeV at the Large Hadron Collider with integrated luminosity 1.67 nb$^{−1}$ were collected by the ATLAS Collaboration and used to study inclusive single diffractive dissociation, pp $\rightarrow$ Xp. [...]
ATL-PHYS-PROC-2019-059. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6782.
Measurements of inclusive WW and WZ production with ATLAS / Lang, Valerie Susanne (Hasylab, DESY)
Measurements of electroweak boson pair production at the LHC constitute a stringent test of the electroweak sector and provide a model-independent means to search for new physics at the TeV scale. [...]
ATL-PHYS-PROC-2019-058. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6783.
Top quark pair-production cross section measurements at LHC / Grancagnolo, Sergio (Humboldt U., Berlin)
Latest results on inclusive top quark pair-production cross sections are presented using proton-proton collision data collected at the LHC. [...]
ATL-PHYS-PROC-2019-057. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6784.
Search for Dark Matter in the mono-W/Z($\rm q\bar q$) channel at the ATLAS experiment. / Parida, Bibhuti (Tomsk State University)
We present a search for dark matter (DM) particles production in the mono-W/Z($\rm q\bar q$) channel using $pp$ collision data at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV corresponding to an integrated luminosity of 36.1 $\rm fb^{-1}$, recorded by the ATLAS detector at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2019-056. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6785.
Searches for SUSY at the LHC / Lari, Tommaso (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
The ATLAS and CMS Collaborations have a very active program of searches for Supersymmetric particles. [...]
ATL-PHYS-PROC-2019-055. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6786.
Evidence for the production of three massive vector bosons in $pp$ collisions with the ATLAS detector / Sciandra, Andrea (Santa Cruz Institute for Particle Physics, University of California Santa Cruz)
A search for the production of three massive vector bosons in proton--proton collisions is performed using data at $\sqrt{s}=13\,TeV$ recorded with the ATLAS detector at the Large Hadron Collider in the years 2015--2017, corresponding to an integrated luminosity of $79.8\,\text{fb}^{-1}$. [...]
ATL-PHYS-PROC-2019-054. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6787.
Search for vector-boson resonances decaying to a top quark and a bottom quark with the ATLAS experiment at LHC / Nibigira, Emery (Laboratoire de Physique de Clermont-Ferrand (LPC), Universite Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, France)
A recent search for heavy resonances, namely $W'$ bosons, decaying to a top quark and a bottom quark with a lepton and missing transverse momentum plus jets in the final state is presented. [...]
ATL-PHYS-PROC-2019-053. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6788.
Measurements of photon production at ATLAS / Cueto Gomez, Ana Rosario (Annecy, LAPP)
Measurements of prompt-isolated photon production at hadron colliders provide a stringent test of perturbative QCD and can be used to constrain the gluon distribution functions inside the proton. [...]
ATL-PHYS-PROC-2019-052. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6789.
Recent diboson and multiboson results in ATLAS / Cristinziani, Markus (Bonn U.)
Recent measurements of the associated production of two or three massive vector bosons in proton--proton collisions at the Large Hadron Collider, collected by the ATLAS detector at a centre-of-mass energy of $\sqrt{s} = 13$ TeV, are reported. [...]
arXiv:1906.09170 ; ATL-PHYS-PROC-2019-051. - SISSA, 2019-06-25. - 14 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6790.
Top quark pair properties & top mass measurements at the LHC / Ravina, Baptiste (University of Sheffield)
Precise measurements of the properties of the top quark test the Standard Model (SM) and can be used to constrain new physics models. [...]
ATL-PHYS-PROC-2019-050. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6791.
Photon--photon fusion measurements at ATLAS / Hassani, Samira (U. Paris-Saclay)
Photon-photon fusion is a rare process at hadron and ion colliders. [...]
ATL-PHYS-PROC-2019-061. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6792.
Searching for leptoquarks with the ATLAS detector / Wong, Vincent Wai Sum (University of British Columbia)
Results from the latest searches for pair-produced scalar leptoquarks using 36.1 $\text{fb}^{-1}$ of $pp$-collision data recorded by the ATLAS detector at $\sqrt{s}$ = 13 TeV were presented. [...]
ATL-PHYS-PROC-2019-060 ; arXiv:1906.08983. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6793.
Test Beam Results and Performance Studies of ATLAS Micromegas Production Modules / Scholer, Patrick Gerhard (Albert-Ludwigs-Universitaet Freiburg)
The LHC at CERN plans to have a series of upgrades to increase its instantaneous luminosity up to $7.5\times10^{34}\text{cm}^{-2}\text{s}^{-1}$. The ATLAS experiment will upgrade its inner end-cap muon chambers to cope with the increased collision rate expected from the High-Luminosity-LHC. [...]
ATL-MUON-PROC-2019-003. - 2020. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6794.
ATLAS Higgs Physics Results / Brendlinger, Kurt (DESY, Hamburg and Zeuthen)
Recent measurements of Higgs boson properties are presented using up to 140 fb$^{−1}$ of proton-proton collision data delivered by the Large Hadron Collider and recorded by the ATLAS Detector. [...]
ATL-PHYS-PROC-2019-062. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6795.
Standard Model Summary Plots Summer 2019
This note presents cross section summary plots for measurements in the ATLAS Standard Model group as of Summer 2019..
ATL-PHYS-PUB-2019-024. - 2019. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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6796.
A search for the dimuon decay of the Standard Model Higgs boson in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS Detector
A search for the dimuon decay of the Standard Model Higgs boson is performed using data corresponding to an integrated luminosity of 139 fb$^{-1}$ collected in Run 2 with the ATLAS detector in $pp$ collisions at $\sqrt{s}=13$ TeV at the Large Hadron Collider. [...]
ATLAS-CONF-2019-028. - 2019. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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6797.
Soft $b$-hadron tagging for compressed SUSY scenarios
$b$-hadrons with transverse momenta too low to yield a calorimeter jet that can be efficiently identified by $b$-tagging techniques are ubiquitous in scenarios of compressed spectra of supersymmetric third generation particles. [...]
ATLAS-CONF-2019-027. - 2019. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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6798.
Inclusive and differential measurement of the charge asymmetry in $t\bar{t}$ events at 13 TeV with the ATLAS detector
A measurement of the top-antitop ($t\bar t$) charge asymmetry $A_{\text{C}}$ is presented using data corresponding to an integrated luminosity of 139 fb$^{-1}$ of $\sqrt{s} = 13$ TeV of $pp$ collisions recorded by the ATLAS experiment at the Large Hadron Collider, CERN. [...]
ATLAS-CONF-2019-026. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6799.
Measurements of the Higgs boson inclusive, differential and production cross sections in the 4$\ell$ decay channel at $\sqrt{s}$ = 13 TeV with the ATLAS detector
Inclusive, differential and production mode cross sections of the Higgs boson are measured in the $H \to ZZ^{*} \to 4\ell$ decay channel. [...]
ATLAS-CONF-2019-025. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6800.
Summary Plots for Exotics Heavy Particle Searches and Exotics/SUSY Long-lived Particle Searches
Summary plots for long-lived particle limits for July 2019..
ATL-PHYS-PUB-2019-023. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6801.
SUSY July 2019 Summary Plot Update
These are summary plots, updated for the SUSY group in July 2019..
ATL-PHYS-PUB-2019-022. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6802.
$Z$ boson production in Pb+Pb collisions at $\sqrt{s_{NN}}~=~5.02$ TeV measured by the ATLAS detector
The production of $Z$ bosons is measured in the dilepton, electrons and muons, decay channel in Pb+Pb collisions at $\sqrt{s_{NN}}~=~5.02$ TeV measured with the ATLAS detector. [...]
ATLAS-CONF-2019-024. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6803.
Production of quarkonia and heavy flavour states in ATLAS and CMS / Iengo, Paolo (European Laboratory for Particle Physics, CERN)
Associated production of quarkonia is a key observable for understanding the quarkonium production mechanisms, including the separation of single and double parton scattering components. [...]
ATL-PHYS-PROC-2019-065. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6804.
ATLAS NSW Micromegas readout boards: Industrialisation and Quality Control and Quality Assurance / Farina, Edoardo Maria (INFN Pavia and Universita' di Pavia, Dipartimento di Fisica)
Micromegas with a spark protection scheme were selected as instrumentation of the first forward muon station in the upgrade of the ATLAS detector for the operation of the Large Hadron Collider at high luminosity. [...]
ATL-MUON-PROC-2019-005. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6805.
The PDF interpretation of the measurement of a W boson produced in association with jets at the ATLAS detector / Sutton, Mark (Sussex U.)
A QCD analysis using heavy vector boson data from the ATLAS detector at the LHC collected during the 2012 running period at a centre-of-mass energy of 8 TeV, where the boson was pro- duced in association with at least one hadronuc jet is presented. [...]
ATL-PHYS-PROC-2019-064. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6806.
Forward jet vertex tagging using the particle flow algorithm
The rejection of forward jets originating from additional proton--proton interactions (pile-up) is crucial for a variety of physics analyses at the LHC, including Standard Model measurements and searches for physics beyond the Standard Model. [...]
ATL-PHYS-PUB-2019-026. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6807.
Measurements of inclusive neutral diboson production with ATLAS / Geng, Cong (University of Michigan, Department of Physics)
In this talk, we present recent measurements of inclusive $ZZ$ and $Z\gamma$ production in proton-proton collisions at $\sqrt{s}=13$ TeV at ATLAS. [...]
ATL-PHYS-PROC-2019-063. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6808.
Measurement of $Z\gamma\to\ell^+\ell^-\gamma$ differential cross-sections in $pp$ collisions at $\sqrt{s} =13$ TeV with the ATLAS detector
The production of a prompt photon in association with a $Z$ boson is studied in proton-proton collisions at a centre-of-mass energy $\sqrt{s} =$ 13 TeV. [...]
ATLAS-CONF-2019-034. - 2019. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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6809.
Observation of electroweak production of two jets in association with a $Z$-boson pair in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
This note reports on the observation of electroweak production of two jets in association with a $Z$-boson pair using 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s} =$ 13 TeV collected by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2019-033. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6810.
Combined measurement of the total and differential cross sections in the $H \rightarrow \gamma \gamma$ and the $H \rightarrow ZZ^* \rightarrow 4\ell$ decay channels at $\sqrt{s} = $13 TeV with the ATLAS detector
Combined measurements of the total and differential cross sections of Higgs boson production are performed with proton-proton collisions recorded by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2019-032. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6811.
Transverse momentum response and reconstruction efficiency for jets from displaced decays in the ATLAS detector
This note presents a study of the leading jet transverse momentum response and reconstruction efficiency considering potentially displaced decays of long-lived particles in the context of searches designed for promptly decaying, strongly coupling particles reinterpreted in SUSY scenarios predicting long-lived particles. [...]
ATL-PHYS-PUB-2019-025. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6812.
Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two $b$-jets in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
The results of a search for electroweakino pair production $pp \rightarrow \tilde\chi^\pm_1 \tilde\chi^0_2$ in which the chargino ($\tilde\chi^\pm_1$) decays into a $W$ boson and the lightest neutralino ($\tilde\chi^0_1$), while the heavier neutralino ($\tilde\chi^0_2$) decays into the Standard Model 125 GeV Higgs boson and a second $\tilde\chi^0_1$ are presented. [...]
ATLAS-CONF-2019-031. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6813.
Search for the $HH \to b \bar{b} b \bar{b}$ process via vector boson fusion production using proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for Higgs boson pair production via vector boson fusion (VBF) in the $b\bar{b}b\bar{b}$ final state is carried out with the ATLAS detector, using 126 fb$^{-1}$ of proton--proton collision data delivered at $\sqrt{s}$ = 13 TeV by the Large Hadron Collider. [...]
ATLAS-CONF-2019-030. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6814.
Measurements and interpretations of Higgs-boson fiducial cross sections in the diphoton decay channel using 139 fb$^−1$ of $pp$ collision data at $\sqrt{s}$ = 13 TeV with the ATLAS detector
Fiducial integrated and differential cross sections for the production of the Higgs boson decaying to two photons are measured using 139 fb$^{-1}$ of proton--proton collision data recorded at $\sqrt{s}=13$ TeV by the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2019-029. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6815.
Effect of mesh geometry on resistive Micromegas for the ATLAS experiment / Sidiropoulou, Ourania (European Laboratory for Particle Physics, CERN)
The ATLAS Experiment will use resistive Micromegas detectors for the upgrade of the forward Muon System (NSW, for New Small Wheel). [...]
ATL-MUON-PROC-2019-004. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6816.
Convolutional Neural Networks with Event Images for Pileup Mitigation with the ATLAS Detector
The addition of multiple, nearly simultaneous $pp$ collisions to hard-scatter collisions (pileup) is a significant challenge for most physics analyses at the LHC. [...]
ATL-PHYS-PUB-2019-028. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6817.
Measurement of the Lund Jet Plane using charged particles with the ATLAS detector from 13 TeV proton--proton collisions
The prevalence of hadronic jets at the Large Hadron Collider (LHC) requires that a deep understanding of jet formation and structure must be achieved in order to reach the highest levels of experimental and theoretical precision. [...]
ATLAS-CONF-2019-035. - 2019. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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6818.
Searches for BSM Physics in leptonic final states using the ATLAS detector / Mastrandrea, Paolo (INFN Pisa and Universita' di Pisa, Dipartimento di Fisica)
The ATLAS experiment at the Large Hadron Collider (LHC) pursues a wide and comprehensive program of searches for new Physics Beyond Standard Model (BSM). [...]
ATL-PHYS-PROC-2019-068. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6819.
Impact of Alternative Inputs and Jet Grooming on Large-R Jet Performance
Large-radius jets used in ATLAS physics analyses are built from calorimeter clusters and are groomed using the trimming algorithm. [...]
ATL-PHYS-PUB-2019-027. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6820.
Monte Carlo generators for the modelling of multijet processes in ATLAS / Meoni, Evelin (INFN, Cosenza)
Most of the interesting physics at the LHC involves final states with hadronic jets. [...]
ATL-PHYS-PROC-2019-067. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6821.
Searches for electroweak SUSY and long-lived particles at the LHC / Oide, Hideyuki (Tokyo Institute of Technology)
Each of CMS and ATLAS experiments has collected approximately $140~{\rm fb^{-1}}$ of $pp$ collisions at $\sqrt{s}=13~{\rm TeV}$ in the LHC Run~2 in the four years of data-taking in 2015-2018. [...]
ATL-PHYS-PROC-2019-066. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6822.
Production of $W^\pm$ bosons in $pp$ collisions at $\sqrt{s}= 5.02$ TeV with the ATLAS detector / Kremer, Jakub Andrzej (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Precision measurements of electroweak boson production in $pp$ collisions are considered benchmark tests of the Standard Model. [...]
ATL-PHYS-PROC-2019-069. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6823.
Measurement of the $t\bar{t}$ production cross-section and lepton differential distributions in $e\mu$ dilepton events from $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
The inclusive top quark pair ($t\bar{t}$) production cross-section $\sigma_{t\bar{t}}$ has been measured in proton-proton collisions at $\sqrt{s}=13$ TeV, using 36.1 fb$^{-1}$ of data collected in 2015-16 by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2019-041. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6824.
Search for squarks and gluinos in final states with jets and missing transverse momentum using 139 fb$^{-1}$ of $\sqrt{s}$ =13 TeV $pp$ collision data with the ATLAS detector
A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing jets and missing transverse momentum, but no electrons or muons, is presented. [...]
ATLAS-CONF-2019-040. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6825.
Evidence for electroweak production of two jets in association with a $Z\gamma$ pair in $pp$ collisions at $\sqrt{s} = 13~$TeV with the ATLAS detector
Evidence for electroweak production of two jets in association with a $Z\gamma$ pair in $\sqrt{s} = 13~$TeV proton--proton collisions at the Large Hadron Collider is presented. [...]
ATLAS-CONF-2019-039. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6826.
Search for the decays of the Higgs boson $H \to ee$ and $H \to e\mu$ in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
Searches for the decay of the Higgs boson $H \to ee$ and $H \to e \mu$ are performed using data corresponding to an integrated luminosity of 139 bf$^{-1}$ collected with the ATLAS detector in $pp$ collisions at $\sqrt{s}=$13 TeV at the LHC. [...]
ATLAS-CONF-2019-037. - 2019. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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6827.
HVT exclusion contours from full run-2 searches at high-mass in $\ell\ell$ and $\ell\nu$ final states
This note presents summary plots of the excluded coupling space in a Heavy Vector Triplet scenario from searches for high-mass resonances in the dilepton ($\ell\ell$) and lepton + $E_\mathrm{T}^\mathrm{miss}$ ($\ell\nu$) final states using the full ATLAS Run-2 dataset..
ATL-PHYS-PUB-2019-031. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6828.
Electroweak boson measurements in $p$+Pb and Pb+Pb collisions with ATLAS / Kremer, Jakub Andrzej (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Electroweak bosons produced in nucleus-nucleus collisions at LHC energies are excellent probes of the collision geometry and centrality. [...]
ATL-PHYS-PROC-2019-070. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6829.
Measurement of the top-quark decay width in top-quark pair events in the dilepton channel at $\sqrt{s}=13$ TeV with the ATLAS detector
A direct measurement of the top-quark decay width using data collected with the ATLAS experiment at $\sqrt{s}=13$ TeV is presented. [...]
ATLAS-CONF-2019-038. - 2019. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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6830.
Dark matter summary plots
These are Exotics summary plots for the vector and axial-vector Z′ dark matter simplified model. [...]
ATL-PHYS-PUB-2019-030. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6831.
Reproducing searches for new physics with the ATLAS experiment through publication of full statistical likelihoods
The ATLAS Collaboration is starting to publicly provide likelihoods associated with statistical fits used in searches for new physics on HEPData. [...]
ATL-PHYS-PUB-2019-029. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6832.
Search for a new resonance in the $bj\mu\mu$ final state at a dimuon invariant mass around 28 GeV with ATLAS $pp$ data collected at $\sqrt{s} = $ 8 and 13 TeV
A search for a resonance decaying to two muons in the dimuon invariant mass range between 26-30 GeV and produced in association with a $b$-jet and an additional jet, is presented. [...]
ATLAS-CONF-2019-036. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6833.
Precision Electroweak Measurements in ATLAS and CMS / Zanzi, Daniele (European Laboratory for Particle Physics, CERN)
This talk gives an overview of the measurements of the effective leptonic weak mixing angle$\mathrm{sin}^{2}\theta^{\ell}_{\mathrm{eff}}$ and of the $W$ boson mass $m_W$ with the ATLAS and CMS experiments at the LHC, with a focus on dominant theoretical uncertainties and on prospects for future measurements. [...]
ATL-PHYS-PROC-2019-075. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6834.
HL-LHC physics with the ATLAS detector / Casado, Maria Pilar (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain)
Physics prospects for High-Luminosity LHC with the ATLAS detector are presented. [...]
ATL-PHYS-PROC-2019-074. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6835.
Top quark properties at ATLAS with focus on the latest mass and spin correlation measurements / Cristinziani, Markus (University of Bonn ; Bonn U.)
Properties of the top-quark are presented, with emphasis on the most recent ATLAS measurements of the mass and $t\bar{t}$ spin correlations, obtained with proton-proton collision data collected at the Large Hadron Collider. [...]
arXiv:1908.05502 ; ATL-PHYS-PROC-2019-073. - SISSA, 2019-08-15. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6836.
Tracking performance with the HL-LHC ATLAS Detector / Smykiewicz, Andrzej (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
The High Luminosity Large Hadron Collider (HL-LHC) aims to increase the LHC data-set by an order of magnitude in order to increase its potential for discoveries. [...]
ATL-PHYS-PROC-2019-072. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6837.
Searches for long-lived particles in ATLAS / Mehlhase, Sascha (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
Particles beyond the Standard Model can generally have life times that are long compared to Standard Model particles at the weak scale. [...]
ATL-PHYS-PROC-2019-071. - 2019. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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6838.
RECAST framework reinterpretation of an ATLAS Dark Matter Search constraining a model of a dark Higgs boson decaying to two $b$-quarks
The reinterpretation of a search for dark matter produced in association with a Higgs boson decaying to $b$-quarks performed with RECAST, a software framework designed to facilitate the reinterpretation of existing searches for new physics, is presented. [...]
ATL-PHYS-PUB-2019-032. - 2019. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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6839.
ATLAS Muon Trigger Performance / Hayes, Robin Leigh (University of British Columbia)
Events containing muons in the final state are an important signature for many analyses being carried out at the Large Hadron Collider (LHC), including both standard model measurements and searches for new physics. [...]
ATL-DAQ-PROC-2019-011. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6840.
Searches for charginos and nutralinos in ATLAS / Longo, Luigi (European Laboratory for Particle Physics, CERN)
Supersymmetry (SUSY) is one of the most interesting theories describing physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2019-077. - 2019. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6841.
Evidence for the production of three massive vector bosons with the ATLAS detector / Cristinziani, Markus (Bonn U.)
The search for the production of three massive vector bosons in proton$-$proton collisions, performed using data at $\sqrt{s}$ = 13 TeV recorded with the ATLAS detector at the Large Hadron Collider in the years 2015$-$2017, corresponding to an integrated luminosity of $79.8$ fb$^{-1}$, is presented. [...]
arXiv:1909.07652 ; ATL-PHYS-PROC-2019-076. - SISSA, 2019-08-22. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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6842.
Study of the proton reconstruction efficiency with the ALFA detector using an overlay technique of Monte Carlo signal events with zero-bias collider data. / Lakomiec, Inga Katarzyna (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
The purpose of the ATLAS Roman Pot (ARP) detector is to measure protons scattered at very small angles. [...]
ATL-FWD-PROC-2019-004. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6843.
Identification of hadronic tau lepton decays using neural networks in the ATLAS experiment
This note describes a novel algorithm to identify the visible decay products of hadronic tau decays ($\tau_\text{had-vis}$) used by the ATLAS experiment for Run 2 of the LHC. [...]
ATL-PHYS-PUB-2019-033. - 2019. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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6844.
The track-based alignment of the ALFA Roman Pot detectors of the ATLAS experiment / Janas, Krzysztof Wojciech (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
ALFA detector is part of the ATLAS Roman Pot detector dedicated to measure protons scattered at very small angles. [...]
ATL-FWD-PROC-2019-003. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6845.
ATLAS pixel cluster splitting using Mixture Density Networks / Khoda, Elham E (University of British Columbia)
The high energy and luminosity of the LHC allows to study jets and hadronically decaying tau leptons at extreme energies with the ATLAS tracking detector. [...]
ATL-PHYS-PROC-2019-082. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6846.
Searches for Tau Sleptons at the Large Hadron Collider / Mann, Alexander (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
Supersymmetry is a hypothetical extension of the Standard Model of particle physics which helps answer a number of open questions arising from our current understanding of the workings of the universe at the fundamental level. [...]
ATL-PHYS-PROC-2019-081. - 2019. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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6847.
Status and prospects of STXS measurements in ATLAS and CMS / Kato, Chikuma (Tsung-Dao Lee Institute)
The Higgs boson production cross sections in exclusive kinematic bins are measured as simplified template cross sections (STXS), which are designed to reduce model dependence and maximize sensitivity to new physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2019-080. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6848.
Upgrade of the ATLAS Thin Gap Chamber Electronics for HL-LHC / Asada, Haruka (Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University)
The High-Luminosity LHC (HL-LHC) is planned to start the operation in 2026 with an instantaneous luminosity of $7.5 \times 10^{34}~\rm{cm^{-2}s^{-1}}$. [...]
ATL-MUON-PROC-2019-006. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6849.
Communicating ATLAS: adapting to an ever-changing media landscape / Anthony-Kittelsen, Katarina-Amelia (INFN Gruppo Collegato di Udine, Dipartimento Politecnico di Ingegneria ed Architettura, Universita' di Udine, Udine) ; Mehlhase, Sascha (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
Communicating the status and achievements of the ATLAS Experiment has been a core objective of the ATLAS Collaboration since its founding. [...]
ATL-OREACH-PROC-2019-003. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6850.
Latest ATLAS measurements of inclusive and differential top quark pair production / Mijovic, Liza (The University of Edinburgh (GB))
Latest ATLAS measurements of inclusive and differential top quark pair production cross-sections are reviewed. [...]
ATL-PHYS-PROC-2019-079. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6851.
Search for dark-photons decaying to lepton-jets with the ATLAS detector at LHC / Sebastiani, Cristiano David (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
Several new physics models predict the existence of neutral particles with macroscopic life-times that decay to pairs of leptons and light hadrons with a jet-like structure (lepton-jets). [...]
ATL-PHYS-PROC-2019-078. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6852.
Calibration and Performance of the ATLAS Tile Calorimeter During the LHC Run 2 / Petukhova, Krystsina (Charles University, Faculty of Mathematics and Physics, Prague)
The Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of the ATLAS experiment and provides important information for reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. [...]
ATL-TILECAL-PROC-2019-004. - 2019. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6853.
Measurements of the Higgs production cross section in the $H \rightarrow \tau \tau$ decay channel with the ATLAS experiment / Murrone, Alessia (INFN Milan, Milan U.)
Measurements of the Higgs production cross section in the $H \rightarrow \tau \tau$ decay channel are presented. [...]
ATL-PHYS-PROC-2019-086. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Published fulltext
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6854.
Measurement of multi-parton interactions at ATLAS / Astalos, Robert (Comenius University)
Measurements of multiple parton scattering in proton-proton collisions provide insight into the structure and long-range low-momentum scale interactions of the proton. [...]
ATL-PHYS-PROC-2019-085. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6855.
ATLAS Level-0 Endcap Muon Trigger for HL-LHC / Mino, Yuya (Kyoto University, Department of Physics)
High-Luminosity LHC (HL-LHC) is an upgrade of LHC to achieve higher luminosities, enabling experiments to reach better physics sensitivity. [...]
ATL-DAQ-PROC-2019-013. - 2019. - 3 p.
Original Communication (restricted to ATLAS) - Published fulltext
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6856.
Small-Strip Thin Gap Chambers for the Muon Spectrometer Upgrade of the ATLAS Experiment / Lefebvre, Benoit (TRIUMF)
The instantaneous luminosity of the Large Hadron Collider at CERN will be increased by about a factor of five with respect to the design value by an extensive upgrade program over the coming decade. [...]
ATL-MUON-PROC-2019-007. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6857.
The ATLAS Hardware Track Trigger Design towards first prototypes / Moreira De Carvalho, Ana Luisa (LIP)
In the High Luminosity LHC, planned to start with Run 4 in 2026, the ATLAS experiment will be equipped with the Hardware Track Trigger (HTT), a dedicated hardware system able to reconstruct tracks in the silicon detectors with short latency. [...]
ATL-DAQ-PROC-2019-012. - 2019. - 3 p.
Original Communication (restricted to ATLAS) - Published fulltext
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6858.
Lepton and photon reconstruction and identification performance in ATLAS and CMS / Marchese, Luigi (University of Oxford, Particle Physics)
In this paper I report on lepton and photon performance results obtained by the ATLAS and CMS experiments during the Run-2 operations of the Large Hadron Collider (LHC) focusing on muons, electrons and photons. [...]
ATL-PHYS-PROC-2019-084. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6859.
Beyond the Standard Model searches at HL-LHC / Gustavino, Giuliano (University of Oklahoma)
The High-Luminosity Large Hadron Collider (HL-LHC) is expected to deliver the unprecedented integrated luminosity of 3~\iab at the centre-of-mass energy of 14~TeV. [...]
ATL-PHYS-PROC-2019-083. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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6860.
Measurements of the Higgs boson decays to two bottom quarks / Ambroz, Luca (University of Oxford, Particle Physics)
$H \rightarrow b\bar{b}$ decays allow to probe the Yukawa coupling of the Higgs boson to down type quarks. [...]
ATL-PHYS-PROC-2019-093. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Published fulltext
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6861.
ATLAS Trigger and Data Acquisition Upgrades for the High Luminosity LHC / Camplani, Alessandra (Niels Bohr Institute (NBI), University of Copenhagen)
The ATLAS experiment at CERN has started the construction of upgrades for the "High Luminosity LHC", with collisions due to start in 2026. [...]
ATL-DAQ-PROC-2019-018. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6862.
Determination of proton parton distribution functions using ATLAS data / Giuli, Francesco (INFN Roma Tor Vergata and Universita' di Roma Tor Vergata, Dipartimento di Fisica)
Proceeding of an ATLAS talk given during EPS-HEP 2019 (Ghent, Belgium). [...]
arXiv:1909.06702. - SISSA, 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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6863.
Upgrade of the ATLAS Tile Calorimeter for the High Luminosity LHC / Petukhova, Krystsina (Charles University, Faculty of Mathematics and Physics, Prague)
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2019-005. - 2019. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6864.
Implementation of the ATLAS trigger within the multi-threaded AthenaMT framework / Elliot, Alison (Queen Mary University of London) ; ATLAS Collaboration
Athena is the software framework used in the ATLAS experiment throughout the data process- ing path, from the software trigger system through offline event reconstruction to physics analy- sis. [...]
ATL-DAQ-PROC-2019-017. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6865.
Performance of the ATLAS tau-lepton trigger at the LHC in Run 2 / ATLAS TDAQ Collaboration ; Asimakopoulou, Eleni Myrto (Uppsala U. (main))
The ATLAS experiment has a rich physics program of Standard Model measurements and searches for physics Beyond the Standard Model involving tau leptons. [...]
ATL-DAQ-PROC-2019-016. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6866.
Evolution of Regional, Age and Gender Demographics in the ATLAS Collaboration / Rodriguez Vera, Ana Maria (York U., Canada) ; Wells, Pippa (CERN) ; Yacoob, Sahal (University of Cape Town)
The ATLAS Collaboration consists of more than 5000 members, from about 100 different countries. [...]
ATL-OREACH-PROC-2019-005. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6867.
Communicating ATLAS: adapting to an ever-changing media landscape / Rodriguez Vera, Ana Maria (York University) ; Anthony-Kittelsen, Katarina-Amelia (INFN Gruppo Collegato di Udine, Dipartimento Politecnico di Ingegneria ed Architettura, Universita' di Udine, Udine)
Communicating the status and achievements of the ATLAS Experiment has been a core objective of the ATLAS Collaboration since its founding. [...]
ATL-OREACH-PROC-2019-004. - 2019. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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6868.
Measurements of single diffraction using forward proton tagging at ATLAS / Adamczyk, Leszek (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Inclusive single-diffractive dissociation ($pp \rightarrow pX$) is studied using data collected by the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2019-091. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
6869.
ATLAS Level-1 Endcap Muon Trigger for Run-3 / Hibi, Hiroaki (Kobe University)
The LHC is expected to increase its center-of-mass energy to 14 GeV and an instantaneous luminosity to $2.4×10^{34} cm^{-2}s^{-1}$ for Run 3 scheduled from 2021 to 2023 [...]
ATL-DAQ-PROC-2019-015. - 2019. - 3 p.
Original Communication (restricted to ATLAS) - Published fulltext
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6870.
The Phase-II Upgrade of the ATLAS Muon Spectrometer / Zhu, Junjie (University of Michigan, Department of Physics)
ATLAS will upgrade its muon spectrometer for high-luminosity LHC runs. [...]
ATL-UPGRADE-PROC-2019-001. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6871.
Searches for new physics in events with top-quark pairs in ATLAS / Nackenhorst, Olaf (Dortmund U.)
Many theories beyond the Standard Model (SM) predict new heavy particles that would preferably couple to top quarks. [...]
ATL-PHYS-PROC-2019-090. - 2019. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6872.
Direct top-quark decay width measurement at $\sqrt{s}=13$ TeV with the ATLAS experiment / Dado, Tomas (Comenius University)
The excellent performance of the LHC accelerator allows precise measurements of the top quark properties. [...]
ATL-PHYS-PROC-2019-089. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
6873.
Recent results on collectivity and correlations in heavy-ion collisions from ATLAS / Derendarz, Dominik (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
The measurement of the multi-particle cumulants with 470~$\mu\mathrm{b}^{-1}$ of Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$~TeV with the ATLAS detector at LHC is presented. [...]
ATL-PHYS-PROC-2019-088. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6874.
Search for squarks and gluinos in final states with jets and missing transverse momentum at $\sqrt{s}=13$~TeV using 139 fb$^{-1}$ data with the ATLAS detector / Uno, Kenta (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
A search for squarks and gluinos is one of the primary targets among the supersymmetry particles at the Large Hadron Collider~(LHC) experiments because their cross sections are relatively large. [...]
ATL-PHYS-PROC-2019-087. - 2019. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6875.
ATLAS Muon Trigger performance / Noguchi, Yohei (Kyoto U. (main))
Events containing muons in the final state are an important signature for many analyses being carried out at the Large Hadron Collider (LHC), including both standard model measurements and searches for new physics. [...]
ATL-DAQ-PROC-2019-014. - 2019. - 3 p.
Original Communication (restricted to ATLAS) - Published fulltext
  Detailed record Copy itemCopy item
6876.
Measurements of inclusive and differential cross-sections of $t\bar{t}\gamma$ production in the $e\mkern-2mu\mu$ channel at 13 TeV with the ATLAS detector
Inclusive and differential cross-sections for the production of a top-quark pair in association with a photon are measured with proton-proton collision data corresponding to an integrated luminosity of 139 fb$^{-1}$. [...]
ATLAS-CONF-2019-042. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6877.
PROSPECTS FOR PHOTON-PHOTON MEASUREMENTS WITH TAGGED PROTONS IN ATLAS / Trzebinski, Maciej (Cracow, INP)
In 2017, ATLAS has been equipped with a new, dedicated detector system allowing measurements of forward protons scattered at small angles in diffractive and electromagnetic processes. [...]
ATL-PHYS-PROC-2019-096. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6878.
Track-counting luminosity measurement in ATLAS / Pasuwan, Patrawan (Stockholm University)
At the LHC, the number of inelastic proton-proton collisions per second is proportional to the luminosity. [...]
ATL-PHYS-PROC-2019-095. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6879.
Highlights of top-quark properties measurements at the ATLAS experiment / Majersky, Oliver (Comenius University)
The top quark is the heaviest known fundamental particle. [...]
ATL-PHYS-PROC-2019-094. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6880.
HBSM working group hMSSM summary plots
This note presents an update to the hMSSM summary plots. [...]
ATL-PHYS-PUB-2019-034. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6881.
QCD Issues in Searches for Supersymmetry with the ATLAS Detector / Santra, Arka (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
Even though the experimental evidence is absent, weak-scale supersymmetry (SUSY) remains one of the best motivated and studied Standard Model extensions to date. [...]
ATL-PHYS-PROC-2019-107. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6882.
Measurement of jet substructure observables and jet fragmentation properties using the ATLAS detector / Lenz, Tatjana (University of Bonn)
Jet substructure observables and properties of jet fragmentation are sensitive to a wide range of Quantum Chromodynamics (QCD) phenomena. [...]
ATL-PHYS-PROC-2019-106. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6883.
Searches and prospects for di-Higgs production in ATLAS / Rompotis, Nikolaos (University of Liverpool)
The search for double Higgs boson production is one of the ultimate tests of the electroweak theory Higgs sector and one of the main motivations of the High-Luminosity LHC programme. [...]
ATL-PHYS-PROC-2019-105. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6884.
OBSERVATION OF LIGHT-BY-LIGHT SCATTERING AND MEASUREMENTS OF PHOTON-PHOTON COLLISIONS AT ATLAS / Grabowska-Bold, Iwona (AGH-UST, Cracow)
We present the observation of the light-by-light scattering process, $\gamma\gamma\rightarrow \gamma\gamma$, in lead-lead collisions at $\sqrt{s_\mathrm{NN}}$ = 5.02~TeV. [...]
ATL-PHYS-PROC-2019-104. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6885.
Searches for rare and lepton-flavour-violating Higgs boson decays in ATLAS / Marchiori, Giovanni (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), Sorbonne Universite, Universite de Paris, CNRS/IN2P3)
Searches are presented for rare and lepton-flavour violating decays of the Higgs boson. [...]
ATL-PHYS-PROC-2019-103. - SISSA, 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6886.
Measurement of $CP$ violation and mixing in $B_s^0 \to J/\psi\phi$ in ATLAS / Jakoubek, Tomas (Institute of Physics of the Czech Academy of Sciences)
An overview of a measurement of time-dependent $CP$ asymmetry parameters in $B_s^0 \to J/\psi(\mu^+\mu^-)\phi(K^+K^-)$ decays using 80.5 fb$^{-1}$ of integrated luminosity collected with the ATLAS detector from 13 TeV $pp$ collisions at the LHC is presented. [...]
ATL-PHYS-PROC-2019-102. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6887.
Studies of rare top processes: tZ, tgamma, 4-tops and flavour changing neutral currents / Moreno Llacer, Maria (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
Proceedinds LHC2019 plenary talk
ATL-PHYS-PROC-2019-101. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6888.
Measurement of the $t\bar{t}$ production cross-section in the lepton+jets channel at $\sqrt{s}=13$ TeV with the ATLAS experiment
The $t\bar{t}$ production cross-section is measured in the lepton+jets channel using proton-proton collision data at a center-of-mass-energy of $\sqrt{s}=13$ TeV collected with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2019-044. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6889.
Observation of the associated production of a top quark and a Z boson in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Single top-quark production in association with a $Z$ boson is measured in the trilepton channel [...]
ATLAS-CONF-2019-043. - 2019. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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6890.
REDESIGN OF THE ATLAS TILE CALORIMETER READOUT LINK AND CONTROL BOARD FOR THE HIGH LUMINOSITY LHC ERA / Valdes Santurio, Eduardo (Stockholm University) ; Silverstein, Samuel (Stockholm University) ; Bohm, Christian (Stockholm University) ; Dunne, Katherine Elaine (Stockholm University) ; Lee, Suhyun (Stockholm University)
The R\&D for the new on-detector electronics for the Phase-II ATLAS upgrade for the High Luminosity Large Hadron Collider (HL-LHC) has motivated progressive redesigns of the ATLAS Tile Calorimeter (TileCal) Daughterboard (DB). [...]
ATL-TILECAL-PROC-2019-006. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6891.
Timepix3 Luminosity Determination of 13 TeV Proton-Proton Collisions at the ATLAS Experiment / Sopczak, Andre (Czech Technical University in Prague)
Medipix and Timepix devices, installed in the ATLAS cavern, have provided valuable complementary luminosity information. [...]
ATL-DAPR-PROC-2019-001. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6892.
Measurement of differential cross sections for Single Diffractive Dissociation in $\sqrt{s} = 8$ TeV pp collisions using the ATLAS detector / Kendrick, James Andrew (University of Birmingham)
Preliminary LHC results on proton tagged measurements of Single Diffractive Dissociation ($pp\rightarrow pX$) are presented from ATLAS using $\sqrt{s} = 8$ TeV data. [...]
ATL-PHYS-PROC-2019-100. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6893.
Measurement of differential cross sections in Higgs boson decays to bosons using the ATLAS detector / Falke, Saskia (LAPP, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS/IN2P3, Annecy)
With the large pp collision dataset collected by the ATLAS experiment at the LHC at 13 TeV, detailed measurements of Higgs boson production can be performed in decays to bosons. [...]
ATL-PHYS-PROC-2019-099. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6894.
Single Top Summary Plots Autumn 2019
Single Top Summary Plots Autumn 2019
ATL-PHYS-PUB-2019-037. - 2019. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6895.
Top Quark Mass Summary Plots
This note presents plots summarising ATLAS results and combinations of top quark mass measurements..
ATL-PHYS-PUB-2019-036. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6896.
Top working group cross-section summary plots
This note presents updated figures that summarise top cross-section results from the ATLAS top working group and the LHCtopWG..
ATL-PHYS-PUB-2019-035. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6897.
High Luminosity Yellow Report: what does LHC Physics look like? / Ungaro, Francesca (ARC Centre of Excellence in Particle Physics at the Terascale, School of Physics, The University of Melbourne)
Physics prospects for High-Luminosity LHC with by ATLAS and CMS collaborations are presented [...]
ATL-PHYS-PROC-2019-098. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6898.
Measurement of photon production at ATLAS / Camarero Munoz, Daniel (Physics Department, Universidad Autonoma de Madrid)
The production of isolated prompt photons at hadron colliders provides stringent tests of perturbative QCD and can be used to evaluate probability distribution functions of partons in the proton. [...]
ATL-PHYS-PROC-2019-097. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6899.
Single Event Upsets in the ATLAS IBL Frontend ASICs at the Large Hadron Collider at CERN / Rozanov, Alexander (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS)
ATLAS is one of the four major experiments at the Large Hadron Collider (LHC) at CERN. [...]
ATL-INDET-PROC-2019-002. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6900.
Search for di-Higgs production at 13 TeV and prospects for HL-LHC / Costanza, Francesco (LAPP, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS/IN2P3, Annecy)
The latest results on production of Higgs boson pairs at 13 TeV by the ATLAS experiment are reported, including a combination of six different decay modes. [...]
ATL-PHYS-PROC-2019-115. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6901.
Measurement of cross sections in Higgs boson decays to two photons with the ATLAS detector / Nomidis, Ioannis (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), Sorbonne Universite, Universite de Paris, CNRS/IN2P3)
Higgs boson decays to two photons can be selected with high efficiency, and the very good invari- ant mass resolution allows a robust subtraction of the backgrounds. [...]
ATL-PHYS-PROC-2019-114. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6902.
Minimizing CPU Utilization Requirements to Monitor an ATLAS Data Transfer System / Leventis, Georgios (European Laboratory for Particle Physics, CERN) ; Schumacher, Jorn (European Laboratory for Particle Physics, CERN) ; Donszelmann, Mark (Radboud University Nijmegen and NIKHEF)
The ATLAS experiment at LHC will use a PC-based read-out component called FELIX to connect its Front-End Electronics to the Data Acquisition System. [...]
ATL-DAQ-PROC-2019-021. - 2020. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6903.
The ATLAS Trigger and Data Acquisition Upgrades for the High-Luminosity LHC (HL-LHC) / Valente, Marco (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
The ATLAS experiment at CERN has started the construction of upgrades for the High Luminosity LHC (HL-LHC), with collisions due to start in 2026. [...]
ATL-DAQ-PROC-2019-020. - SISSA, 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6904.
Operational Experience and Performance with the ATLAS Pixel detector at the Large Hadron Collider at CERN / Sabatini, Paolo (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
During Run 2, the Large Hadron Collider (LHC) provided challenging running conditions for the ATLAS detector, and especially for the ATLAS Pixel Detector. [...]
ATL-INDET-PROC-2019-003. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6905.
Observation of the Higgs boson production in association with a $t\bar{t}$ pair with the ATLAS detector / Policicchio, Antonio (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
The measurement of Higgs boson production in association with a $t\bar{t}$ pair is essential to understand the top-quark couplings to the Higgs boson. [...]
ATL-PHYS-PROC-2019-113. - SISSA, 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6906.
Measurement of cross sections in $H\rightarrow ZZ^*\rightarrow 4\ell$ decays with the ATLAS detectorMeasurement of cross sections in Higgs boson decays to four leptons with the ATLAS detector / Oda, Susumu (Kyushu University)
Higgs boson decays to four leptons can be selected with a very high purity and are very well suited for measurements of Higgs boson properties, despite the small branching ratio. [...]
ATL-PHYS-PROC-2019-112. - SISSA, 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6907.
ATLAS Level-1 Endcap Muon Trigger for Run 3 / Kishimoto, Tomoe (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo) ; ATLAS Collaboration
The Level-1 endcap muon trigger in the ATLAS experiment is a hardware trigger for endcap regions, which identifies muons with high transverse momentum by combining information from fast-response muon detectors. [...]
ATL-DAQ-PROC-2019-019. - 2020. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6908.
Improved description of the di-tau final state in events with associated production of a $W$ boson and jets in the ATLAS detector using the tau-promotion method
The production of $W$ bosons and jets in the ATLAS detector is the main irreducible contribution in many analyses that select events with two reconstructed hadronically decaying tau leptons. [...]
ATL-PHYS-PUB-2019-039. - 2019. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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6909.
Readiness of the ATLAS Tile Calorimeter link daughterboard for the High Luminosity LHC era / Valdes Santurio, Eduardo (Stockholm University) ; Silverstein, Samuel (Stockholm University) ; Bohm, Christian (Stockholm University)
The Daughterboard (DB) is the read-out link and control board that interfaces the on- and off-detector electronics for the High-Luminosity Large Hadron Collider (HL LHC) of the the ATLAS Tile Calorimeter (TileCal). [...]
ATL-TILECAL-PROC-2019-007. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6910.
Expected Tracking Performance with the HL-LHC ATLAS Detector / Abeling, Kira (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
The High Luminosity LHC (HL-LHC) aims to increase the LHC data-set by an order of magnitude in order to increase its potential for discoveries and precision measurements. [...]
ATL-ITK-PROC-2019-010. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6911.
Production of electroweak bosons in Pb+Pb, $p$+Pb and $pp$ collisions with the ATLAS detector / Przybycien, Mariusz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Electroweak bosons produced in ultrarelativistic heavy-ion collisions serve as excellent probes of the collision geometry and centrality. [...]
ATL-PHYS-PROC-2019-111. - SISSA, 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6912.
Reconstruction and identification of high-pT muons in √s = 13 TeV proton-proton collisions with the ATLAS detector / Vannicola, Damiano (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
The ability to reconstruct high-momentum muon tracks in ATLAS with good momentum resolu- tion is closely connected to a good understanding of the ATLAS tracking detectors alignment and of the related uncertainties. [...]
ATL-PHYS-PROC-2019-110. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6913.
MEASUREMENT OF W AND Z BOSON PRODUCTION AT ATLAS / Ezhilov, Aleksei (NRC Kurchatov Institute PNPI (RU))
Precision measurements of the production cross sections of W and Z bosons in proton-proton collisions provide stringent tests of perturbative QCD and yield important information about the parton distribution functions (PDFs) for quarks within the proton. [...]
ATL-PHYS-PROC-2019-109. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6914.
The ITk Common Monitoring and Interlock System / Kersten, Susanne (Bergische Universitaet Wuppertal)
For the upgrade of the Large Hadron Collider (LHC) to the High Luminosity Large Hadron Collider (HL-LHC) the ATLAS detector will install a new Inner Tracker (ITk), which is completely built by silicon detectors. [...]
ATL-ITK-PROC-2019-009. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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6915.
Top Quark FCNC Summary Plots
This note presents plots summarising ATLAS top quark FCNC searches..
ATL-PHYS-PUB-2019-038. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6916.
Spectroscopy and production of quarkonia and heavy flavour at ATLAS / Turchikhin, Semen (Joint Institute for Nuclear Research)
This proceeding contribution presents recent results of the ATLAS experiment at the LHC on measurements of heavy quarkonium production. [...]
ATL-PHYS-PROC-2019-108. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6917.
Development of the Compact Processing Module for the ATLAS Tile Calorimeter Phase-II Upgrade / Carrio Argos, Fernando (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The Phase II Upgrade of TileCal implies a new readout architecture with a full-digital trigger system in order to cope with the HL-LHC requirements. [...]
ATL-TILECAL-PROC-2019-009. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6918.
Searches for direct pair production of third generation squarks with the ATLAS detector / Yoshihara, Keisuke (Iowa State University)
Naturalness arguments for weak-scale supersymmetry favor supersymmetric partners of the third generation quarks with masses light enough to be produced at the LHC. [...]
ATL-PHYS-PROC-2019-130. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6919.
Upgrade of the ATLAS Tile Calorimeter High Voltage System / Gomes, Agostinho (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon) ; Soares Augusto, Jose Antonio (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon) ; Evans, Guiomar (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon) ; Gurriana, Luis (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon) ; Pedro Martins, Filipe Manuel (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon)
The high voltage system of TileCal, the ATLAS central hadron calorimeter, needs to be upgraded for the HL-LHC, in the so called Phase II Upgrade. [...]
ATL-TILECAL-PROC-2019-008. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6920.
Module and System Test Development for the Phase-2 ATLAS ITk Pixel Upgrade / Meng, Lingxin (European Laboratory for Particle Physics, CERN) ; ATLAS Collaboration
In the high-luminosity era of the Large Hadron Collider, the instantaneous luminosity is expected to reach unprecedented values, resulting in about 200 proton-proton interactions in a typical bunch crossing. [...]
ATL-ITK-PROC-2019-012. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6921.
Search for BSM physics using challenging signatures with the ATLAS detector / Torro Pastor, Emma (Department of Physics, University of Washington, Seattle)
Various theories beyond the Standard Model predict unique signatures which are difficult to reconstruct and for which estimating the background rates is also a challenge. [...]
ATL-PHYS-PROC-2019-129. - SISSA, 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6922.
Search for squarks and gluinos in final states with jets and missing transverse momentum with the ATLAS detector / Agapopoulou, Christina (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay)
A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing hadronic jets and missing transverse momentum, but no electrons or muons, is presented. [...]
ATL-PHYS-PROC-2019-128. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6923.
Jet Measurements in Heavy Ion Collisions with the ATLAS Experiment / Santos, Helena (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon)
The latest jet measurements in 5.02 TeV Pb+Pb collisions with the ATLAS Experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2019-127. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6924.
Single top quark production cross section using the ATLAS detector at the LHC / Alhroob, Muhammad (University of Oklahoma)
This proceedings contains a summary of the single top quark production cross section measurements based on $\sqrt{s}=$ 8 and 13 TeV datasets collected by the ATLAS experiment at the LHC, presented at the European Physical Society Conference on High Energy Physics. [...]
ATL-PHYS-PROC-2019-126. - SISSA, 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6925.
Constraining the Higgs boson self-coupling via single-Higgs production measurement / Rossi, Eleonora (Universita e INFN, Roma Tre)
Constraints on the Higgs boson self-coupling, $\lambda_{HHH}$, exploiting measurements of the single-Higgs boson production and decays are reported in this note [...]
ATL-PHYS-PROC-2019-125. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6926.
Measurements of the Higgs production cross section in the $H \rightarrow \tau \tau$ decay channel with the ATLAS experiment / Murrone, Alessia (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
Measurements of the Higgs production cross section in the $H \rightarrow \tau \tau$ decay channel are presented. [...]
ATL-PHYS-PROC-2019-124. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Published fulltext
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6927.
Azimuthal anisotropy in Pb+Pb, Xe+Xe and $p$+Pb collisions and $v_n$–$p_t$ correlations in Pb+Pb and $p$+Pb collisions with the ATLAS experiment / Bold, Tomasz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
ATLAS measurements of differential and global Fourier harmonics of charged particles $(v_n)$ in 5.02 TeV Pb+Pb and 5.44 TeV Xe+Xe collisions in a wide range of transverse momenta (up to 60 GeV), pseudorapidity ($|\eta|<2.5$) and collision centrality (0-80\%) are presented. [...]
ATL-PHYS-PROC-2019-123. - SISSA, 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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6928.
Analytical reinterpretation of ATLAS dark matter mediator searches with final-state jets / Corrigan, Eric Edward (Lund U. (main))
Understanding dark matter (DM) is one of the main challenges in modern high-energy physics and cosmology. [...]
ATL-PHYS-PROC-2019-122. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Published fulltext
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6929.
Module development for the HL-LHC ATLAS ITk Pixel upgradeModule development for the phase-2 ATLAS ITk Pixel upgrade / Beck, Helge Christoph (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
For the Large Hadron Collider (LHC) Phase 2 upgrade ATLAS replaces its current inner detector with an all silicon Inner Tracker (ITk) to achieve high performance in a very high occupancy and radiation environment. [...]
ATL-ITK-PROC-2019-011. - 2019. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6930.
ATLAS Level-0 Endcap Muon Trigger for HL-LHC / Asada, Haruka (Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University)
The design of the Level-0 endcap muon trigger for the ATLAS experiment at the High-Luminosity LHC (HL-LHC) and the status of the system development are presented. [...]
ATL-DAQ-PROC-2019-027. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6931.
Observation and measurements of vector-boson scattering with the ATLAS experiment / Sommer, Philip (University of Sheffield)
The scattering of electroweak gauge bosons tests the gauge structure of the Standard Model and is sensitive to anomalous quartic gauge couplings. [...]
ATL-PHYS-PROC-2019-121. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6932.
Hardware production quality control for the ATLAS Phase-I read-out upgrade / Alfonsi, Fabrizio (Universita e INFN, Bologna) ; Gabrielli, Alessandro (Universita e INFN, Bologna) ; Giangiacomi, Nico (Universita e INFN, Bologna) - co-author co-author
The upcoming upgrade of the readout system of the ATLAS experiment at the LHC at CERN is based on the Front-End LInk eXchange (FELIX) system. [...]
ATL-DAQ-PROC-2019-026. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6933.
The Phase-II upgrade of the ATLAS muon spectrometer / Policicchio, Antonio (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
The muon spectrometer of the ATLAS detector will undergo a major upgrade foreseen for the Phase-II, in order to cope with the operational conditions at the high-luminosity LHC. [...]
ATL-MUON-PROC-2019-008. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6934.
The ATLAS Hardware Track Trigger design towards first prototypes / Pastore, Francesca (Department of Physics, Royal Holloway and Bedford New College)
In the High Luminosity LHC, planned to start with Run4 in 2026, the ATLAS experiment will be equipped with the Hardware Track Trigger (HTT) system, a dedicated hardware system able to reconstruct tracks in the silicon detectors with short latency. [...]
ATL-DAQ-PROC-2019-025. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6935.
Higgsness and Topness plots for non-resonant $HH$ production in the single lepton $bbWW$ decay channel
This note presents a set of plots that are intended for non-resonant $HH \rightarrow bbWW^*$ single lepton analysis using truth-level information. [...]
ATL-PHYS-PUB-2019-040. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6936.
Search for supersymmetric partners of third-generation quarks in 139 fb$^{-1}$ of pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector. / Pereira Sanchez, Laura (Stockholm University)
This poster presents the latest results on searches for pair production of supersymmetric partners of the top and bottom quarks using the LHC proton-proton collision data, recorded by the ATLAS detector at a centre of mass energy of $\sqrt{s} = 13$ TeV from 2015 to 2018, corresponding to an integrated luminosity of 139 fb$^{-1}$ [...]
ATL-PHYS-PROC-2019-120. - SISSA, 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6937.
Measurements of Higgs boson production using decays to two b-quarks with the ATLAS detector / Costa Batalha Pedro, Rute (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon)
Testing the large coupling of the Higgs boson to b-quarks is particularly relevant to probe the Higgs Sector, providing at the same time an important input to many new physics searches with final states containing the Higgs preferred decay. [...]
ATL-PHYS-PROC-2019-119. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6938.
Hardware Demonstrator Of The Phase-II ATLAS MDT Trigger Processor / Cieri, Davide (Max-Planck-Institut fuer Physik) ; ATLAS MDT Collaboration
The first level (L0) muon trigger of the ATLAS experiment will be upgraded to operate at the High Luminosity LHC. [...]
ATL-DAQ-PROC-2019-024. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6939.
New Level-1 jet feature extraction modules for ATLAS phase-I upgrade / Wang, Renjie (Institut fuer Physik, Universitaet Mainz)
After the Long Shutdown 2 (Dec.~2018 -- Feb.~2021), the LHC will be a new machine in many respects and produce collisions with a center-of-mass energy at or near 14 TeV. [...]
ATL-DAQ-PROC-2019-023. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6940.
Rare and Semi-rare Decays in ATLAS / Ibragimov, Iskander (Department Physik, Universitaet Siegen)
Flavour-changing neutral-current (FCNC) processes like $b \to s\,\mu^+\mu^-$ and $B_{(s)}^0 \to \mu^+\mu^-$ are suppressed in the Standard Model (SM) and thus sensitive to New Physics (NP) effects. [...]
ATL-PHYS-PROC-2019-118. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6941.
Search for direct top squark pair production in the 3-body decay mode with one-lepton final states in $\sqrt{s}$=13 TeV $\mathit{pp}$ collisions with the ATLAS detector / Arrubarrena Tame, Zulit Paola (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
Natural supersymmetry suggests a light top squark, possibly within the discovery reach of Run-2 of the LHC. [...]
ATL-PHYS-PROC-2019-117. - SISSA, 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6942.
Soft $b$-hadron tagging with the ATLAS detector / Yamazaki, Tomohiro (Tokyo U.)
The identification of $b$-hadrons at low $p_T$ can play a crucial role in a variety of analyses where soft $b$-hadrons are produced by physics beyond the Standard Model such as compressed SUSY searches for stop/sbottom production, and also in analyses that require heavy flavour jet vetos. [...]
ATL-PHYS-PROC-2019-116. - SISSA, 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6943.
ATLAS Level-0 Endcap Muon Trigger for HL-LHC / Kano, Yuya (Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University)
The status of the development of the Level-0 endcap muon trigger system for the ATLAS experiment at the HL-LHC is presented. [...]
ATL-DAQ-PROC-2019-022. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6944.
Methodology for EFT interpretation of Higgs boson Simplified Template Cross-section results in ATLAS
The Standard Model Effective Field Theory (EFT) expansion provides a general framework to report deviations between measurements and Standard model predictions. [...]
ATL-PHYS-PUB-2019-042. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6945.
Recent Standard Model measurements / Di Ciaccio, Lucia (LAPP, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS/IN2P3, Annecy)
A selection of recent Standard Model measurements from ATLAS, CMS, D0, HERA Collaborations is presented. [...]
ATL-PHYS-PROC-2019-139. - 2019. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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6946.
Searches for new phenomena in final states involving leptons and jets using the ATLAS detector / Milic, Adriana (Department of Physics, University of Toronto)
Many theories beyond the Standard Model predict new phenomena which decay to final states containing both leptons and jets. [...]
ATL-PHYS-PROC-2019-138. - 2020.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6947.
Measurement of the weak mixing phase $\phi_s$ through time-dependent CP violation in $B^0_s \rightarrow J/\psi \phi$ decay in ATLAS / Barton, Adam Edward (Lancaster University, Department of Physics)
In the Standard Model of particle physics, CP violation arises due to a single complex phase in the Cabibbo-Kobayashi-Maskawa (CKM) quark mixing matrix. [...]
ATL-PHYS-PROC-2019-137. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6948.
Modeling Radiation Damage to Pixel Sensors in the ATLAS Detector / Rossini, Lorenzo (INFN Milano and Universita' di Milano, Dipartimento di Fisica)
Silicon pixel detectors are at the core of the current and planned upgrade of the ATLAS detector at the Large Hadron Collider (LHC). [...]
ATL-INDET-PROC-2019-004. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6949.
Searches for BSM Higgs bosons in ATLAS / Morvaj, Ljiljana (Stony Brook University)
The discovery of the Higgs boson with the mass of about 125 GeV completed the particle content predicted by the Standard Model. [...]
ATL-PHYS-PROC-2019-136. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6950.
Measurement of photon production in proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / Cantero, Josu (Oklahoma State University)
The production of prompt photons in proton-proton collisions at the LHC provides a testing ground for perturbative QCD (pQCD) with a hard colourless probe. [...]
ATL-PHYS-PROC-2019-135. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6951.
Test of CP invariance in vector-boson fusion production of the Higgs boson in the $H\rightarrow\tau\tau$ channel in proton--proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A test of CP invariance in Higgs boson production via vector-boson fusion in the $H\rightarrow\tau\tau$ decay mode is presented. [...]
ATLAS-CONF-2019-050. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6952.
Constraints on the Higgs boson self-coupling from the combination of single-Higgs and double-Higgs production analyses performed with the ATLAS experiment
Constraints on the Higgs boson self-coupling are set by combining the single Higgs boson analyses targeting the $\gamma \gamma$, $ZZ^*$, $WW^*$, $\tau^+ \tau^-$ and $b\bar{b}$ decay channels and the double Higgs boson analyses in the $b\bar{b}b\bar{b}$, $b\bar{b}\tau^+\tau^-$ and $b\bar{b} \gamma \gamma$ decay channels, using data collected at $\sqrt{s} = 13$ TeV with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2019-049. - 2019. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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6953.
Study of $J/\psi p$ resonances in the $Λ^0_b→J/\psi pK^−$ decays in $pp$ collisions at $\sqrt{s}$=7 and 8TeV with the ATLAS detector
A study of $J/\psi p$ resonances in the $Λ^0_b→J/\psi pK^−$ decays with large $m(pK^-)$ invariant masses by the ATLAS experiment at the LHC is presented. [...]
ATLAS-CONF-2019-048. - 2019. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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6954.
Measurement of the production cross-section of $J/\psi$ and $\psi(2{\mathrm S})$ mesons at high transverse momentum in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
The measurements of the prompt and non-prompt differential cross-sections of $J/\psi$ and $\psi(2\mathrm{S})$ mesons with $p_{T}$ between 60 and 360 GeV and rapidity range $|y|<2$ are reported. [...]
ATLAS-CONF-2019-047. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6955.
Measurement of the top quark mass using a leptonic invariant mass in pp collisions at $sqrt{s}$ = 13 TeV with the ATLAS detector
A measurement of the top quark mass ($m_t$) in the $t\bar{t}\rightarrow~\textrm{lepton}+\textrm{jets}$ channel is presented, with an experimental technique which exploits semileptonic decays of $b$-hadrons produced in the top-quark decay chain. [...]
ATLAS-CONF-2019-046. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6956.
Analysis of $t\bar{t}H$ and $t\bar{t}W$ production in multilepton final states with the ATLAS detector
A search for the associated production of a top-quark pair with the Higgs boson ($t\bar{t}H$) in multilepton final states is presented. [...]
ATLAS-CONF-2019-045. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6957.
Fast Track Reconstruction for HL-LHC
At the High Luminosity LHC (HL-LHC) typical average pile-up values between 140 to 200 are expected. [...]
ATL-PHYS-PUB-2019-041. - 2019. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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6958.
Precision measurements of jet substructure and fragmentation at ATLAS / Veatch, Jason (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
None provided
ATL-PHYS-PROC-2019-134. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6959.
Searches for Dark Matter and Dark Energy produced in association with a jet with the ATLAS detector / Lindon, Jack Henry (Birmingham U.) ; Worm, Steven (DESY, Hamburg and Zeuthen)
The astrophysical and cosmological evidence of dark matter and dark energy provides some of the most compelling clues to the nature of physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2019-133. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Published fulltext
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6960.
VMM3a: an ASIC for Tracking Detectors / Bakalis, Christos (National Technical University of Athens)
The VMM3a is a custom Application-Specific Integrated Circuit (ASIC). [...]
ATL-MUON-PROC-2019-010. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6961.
VMM3a, an ASIC for tracking detectors / Iakovidis, Georgios (Brookhaven National Laboratory (BNL))
The VMM3a is a System on Chip (SoC) custom Application Specific Integrated Circuit (ASIC). [...]
ATL-MUON-PROC-2019-009. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6962.
ATLAS Transverse Missing Energy Trigger Performance / Ronzani, Manfredi (Department of Physics, New York University)
Transverse missing momentum ($\rm E_{T}^{miss}$) from non-interacting particles is one of the important characteristics for many analyses especially for Beyond Standard Model physics searches [...]
ATL-DAQ-PROC-2019-028. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6963.
Trigger menu in 2018
This document summarises the trigger menu deployed by the ATLAS experiment during 2018 data taking of both proton-proton and lead-lead collisions. [...]
ATL-DAQ-PUB-2019-001. - 2019. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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6964.
Search for new resonances decaying to heavy-flavour quarks with the ATLAS detector at $\sqrt{s} =$ 13 TeV / Chen, Yu-heng (DESY, Hamburg and Zeuthen)
Searches for new resonances whose decays contain top quarks and/or b-quarks cover a wide range of BSM physics. [...]
ATL-PHYS-PROC-2019-132. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6965.
Production of top quarks, jets and photons / Llorente Merino, Javier (Simon Fraser University)
Measurements of the production of top quarks, jets and photons using the ATLAS and CMS detectors at the LHC are presented. [...]
ATL-PHYS-PROC-2019-131. - 2019.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6966.
The ATLAS Tile Calorimeter performance in the LHC Run-2 and its upgrade towards the High-Luminosity LHC / Nibigira, Emery (Laboratoire de Physique de Clermont-Ferrand (LPC), Universite Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, France)
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2019-010. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6967.
MEASUREMENTS OF W, Z AND V+JETS CROSS SECTIONS AT ATLAS / Lobodzinska, Ewelina (DESY, Hamburg and Zeuthen)
The recent measurements of W and Z bosons cross sections at various central mass energies √ ( s) using the ATLAS detector at LHC are reported. [...]
ATL-PHYS-PROC-2019-142. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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6968.
Search for high-mass resonances decaying into leptonic final states using the ATLAS detector / Takubo, Yosuke (KEK, High Energy Accelerator Research Organization)
Many theories beyond the Standard Model predict new phenomena which decay to well isolated, high-pt leptons. [...]
ATL-PHYS-PROC-2019-141. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6969.
Performance of the ATLAS tau-lepton trigger at the LHC in Run 2 / Ordek, Serhat (Georg August Universitaet Goettingen (DE))
The ATLAS experiment has a rich physics programme of Standard Model measurements and searches for physics Beyond the Standard Model involving tau-leptons. [...]
ATL-DAQ-PROC-2019-029. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6970.
Measurements of inclusive WW and WZ production with ATLAS / Calfayan, Philippe (Indiana University)
Measurements of the production of the electroweak bosons pairs WW and WZ have been performed in proton-proton collisions at $\sqrt{s}=13\,\mathrm{TeV}$, using $36.1\,\mathrm{fb}^{-1}$ of data collected by the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2019-140. - 2020.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6971.
The design and layout of the Phase-II upgrade of the Inner Tracker of the ATLAS experiment / Bruers, Ben (Deutsches Elektronen-Synchrotron (DE))
In the high luminosity era of the Large Hadron Collider (HL-LHC), the instantaneous luminosity is expected to reach unprecedented values, resulting in about 200 proton-proton interactions in a typical bunch crossing. [...]
ATL-ITK-PROC-2019-013. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6972.
Measurement of jet substructure observables using the ATLAS detector / Villaplana Perez, Miguel (University of Alberta)
Theoretical calculations for jet substructure observables with accuracy beyond leading-logarithm have recently become available. [...]
ATL-PHYS-PROC-2019-146. - SISSA, 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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6973.
Measurements of inclusive neutral diboson production with ATLAS / Richter, Stefan (DESY, Hamburg and Zeuthen)
We review recent ATLAS measurements of neutral electroweak boson pair production in 13 TeV proton collisions at the LHC, inclusive with respect to any associated hadronic jet activity. [...]
ATL-PHYS-PROC-2019-145. - 2020. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6974.
Search for the strong pair production of squarks and gluinos in events with an isolated lepton, jets and missing transverse momentum at $\sqrt{s} = 13$ TeV with the ATLAS detector / Geanta, Andrei Alexandru (Horia Hulubei National Institute of Physics and Nuclear Engineering)
This document presents the search for the strong pair production of squarks and gluinos in events with one isolated lepton, jets and missing transverse momentum in the final state. [...]
ATL-PHYS-PROC-2019-144. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6975.
Searches for electroweak production of supersymmetric particles involving the Higgs boson and the higgsino with ATLAS / Alonso, Francisco (Universidad National de La Plata (UNLP))
Fine-tuning arguments suggest the mass of the supersymmetric partner of the Higgs boson, the higgsino, is not too far from the weak scale. [...]
ATL-PHYS-PROC-2019-143. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6976.
SUSY October 2019 Summary Plot Update
These are summary plots, updated for the SUSY group in October 2019..
ATL-PHYS-PUB-2019-044. - 2019. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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6977.
Study of $t\bar{t}b\bar{b}$ and $t\bar{t}W$ background modelling for $t\bar{t}H$ analyses
This note presents Monte Carlo generator comparisons of the tt+bb and tt+V processes at particle level. [...]
ATL-PHYS-PUB-2019-043. - 2019. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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6978.
RECENT PRECISION W/Z MEASUREMENTS AT THE LHC / Vranjes, Nenad (Institute of Physics, University of Belgrade)
Recent precision measurements of W and Z bosons obtained with the ATLAS, CMS and LHCb experiments are reviewed..
ATL-PHYS-PROC-2019-154. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6979.
ATLAS muon trigger performance / Policicchio, Antonio (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
Events containing muons in the final state are an important signature for many analyses being carried out at the Large Hadron Collider (LHC), including both standard model measurements and searches for new physics. [...]
ATL-DAQ-PROC-2019-030. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6980.
Precision Measurements in the Higgs Sector at ATLAS and CMS / Sopczak, Andre (Czech Technical University in Prague)
A concise review of precision measurements in the Higgs sector of the Standard Model (SM) of particle physics is given using ATLAS and CMS data. [...]
ATL-PHYS-PROC-2019-153. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6981.
Searches for Heavy Di-boson Resonances with the ATLAS Detector / Ilic, Nikolina (Nijmegen U. ; Toronto U.)
The ATLAS collaboration has performed searches for new heavy resonances decaying to pairs of vector bosons and Higgs bosons with 36fb$^{-1}$ and 139 fb$^{-1}$ of data collected by the Large Hadron Collider. [...]
ATL-PHYS-PROC-2019-152. - 2019. - 6.
Original Communication (restricted to ATLAS) - Full text
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6982.
ATLAS Outreach: on the dissemination of High Energy Physics and Computer Sciences / Sanchez Pineda, Arturos (Abdus Salam Int. Cent. Theor. Phys. (IT))
The members of large High Energy Physics (HEP) collaborations come from all over the world. [...]
ATL-OREACH-PROC-2019-006. - 2019. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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6983.
Operational Experience and Performance with the ATLAS Pixel detector at the Large Hadron Collider at CERN / Chu, Xiaotong (Beijing, Inst. High Energy Phys.)
The tracking performance of the ATLAS detector on the Large Hadron Collider (LHC) relies critically on its 4-layer Pixel Detector, located at the core the ATLAS tracker. [...]
ATL-INDET-PROC-2019-005. - SISSA, 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6984.
Measurements of Higgs boson production in decays to two tau leptons with the ATLAS detector / Hohn, David (Albert-Ludwigs-Universitaet Freiburg)
Measurements of cross sections for the production of Higgs bosons decaying to tau lepton pairs performed by the ATLAS experiment, using LHC proton-proton collision data from 2015 and 2016 at a centre of mass energy of 13 TeV, are presented. [...]
ATL-PHYS-PROC-2019-151. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6985.
Measurements of $t\bar{t}+Z/W/\gamma$ production in ATLAS / Sjoelin, Joergen (Stockholm University (SE))
Inclusive cross-section measurements of $t\bar{t}+Z/W/\gamma$ production and $tt+\gamma$ differential cross-section measurements with the ATLAS detector using 36 $fb^{-1}$ of 13 TeV center-of-mass energy proton-proton data are presented..
ATL-PHYS-PROC-2019-150. - 2019. - 4.
Original Communication (restricted to ATLAS) - Full text
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6986.
Production of a Single Top Quark or of Top Quark Pairs in Association with $W/Z/\gamma$ / McCarthy, Tom (Max-Planck-Institut fuer Physik)
These proceedings highlight a selection of recent ATLAS and CMS measurements which target either the production of a single top quark or the associated production of a $t\bar{t}$ pair together with a $W/Z/\gamma$ boson. [...]
ATL-PHYS-PROC-2019-149. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6987.
Measurement of jet fragmentation using the ATLAS detector / Villaplana Perez, Miguel (University of Alberta)
Gluon splitting to b-quark pairs is a unique probe of the properties of gluon fragmentation, as the identified b-tagged jets provide a proxy for the quark daughters of the initial gluon. [...]
ATL-PHYS-PROC-2019-148. - SISSA, 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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6988.
Longitudinal flow decorrelations in Xe+Xe collisions at $\sqrt{s_{\mathrm{NN}}}=5.44$ TeV with the ATLAS detector
First measurement of longitudinal decorrelations of harmonic flow $v_n$ for $n=2$, 3 and 4 in Xe+Xe collisions at \mbox{$\sqrt{s_{\mathrm{NN}}}=5.44$}~TeV is obtained using the ATLAS detector at the LHC. [...]
ATLAS-CONF-2019-055. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6989.
Production of $\varUpsilon(\mathrm{nS})$ mesons in Pb+Pb and $\it{pp}$ collisions at 5.02 TeV with ATLAS
The measurement of the production of bottomonium states, $\mit{\Upsilon}(\text{1S})$, $\mit{\Upsilon}(\text{2S})$ and $\mit{\Upsilon}(\text{3S})$, in Pb+Pb and $pp$ collisions at a center-of-mass energy per nucleon pair of $5.02~\mathrm{TeV}$ is presented. [...]
ATLAS-CONF-2019-054. - 2019. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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6990.
Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in Pb+Pb collisions at $\sqrt{s_\mathrm{NN}}=5.02~\mathrm{TeV}$ with the ATLAS detector
Azimuthal anisotropies of muons from charm and bottom decays are measured in Pb+Pb collisions at $\sqrt{s_\mathrm{NN}}= 5.02~\mathrm{TeV}$. [...]
ATLAS-CONF-2019-053. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6991.
Measurement of $Z$-tagged charged-particle yields in 5.02 TeV Pb+Pb and $pp$ collisions with the ATLAS detector
The yields of charged particles azimuthally balanced by a high-transverse-momentum ($p_\mathrm{T}$) $Z$ boson are measured in $pp$ and Pb+Pb collision data recorded by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2019-052. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6992.
Measurement of non-exclusive dimuon pairs produced via $\gamma\gamma$ scattering in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV with the ATLAS detector
Results are presented of a measurement of dimuons produced via $\gamma\gamma$ scattering processes in inelastic, non-ultra-peripheral Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV. [...]
ATLAS-CONF-2019-051. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6993.
Standard Model physics at ATLAS / Soldatov, Evgeny (National Research Nuclear University MEPhI)
The latest advances in Standard Model measurements performed by the ATLAS experiment at the LHC are discussed. [...]
ATL-PHYS-PROC-2019-147. - 2019. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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6994.
Non factorisation in ATLAS and ALICE vdM scans: experience in Run 2, impact on luminosity calibration / Dyndal, Mateusz (European Laboratory for Particle Physics, CERN)
The original vdM formalism assumes that the particle densities in each bunch can be factorised into independent horizontal and vertical components. [...]
ATL-DAPR-PROC-2019-002. - 2019. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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6995.
Measurement of suppression of large-radius jets and its dependence on substructure in Pb+Pb at 5.02 TeV by ATLAS detector
This note presents measurement of the nuclear modification factor of large-radius jets in $\sqrt{s_{\mathrm{NN}}} = 5.02$ TeV Pb+Pb collisions by the ATLAS experiment. [...]
ATLAS-CONF-2019-056. - 2019.
Original Communication (restricted to ATLAS) - Full text
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6996.
Measurement of Radiation Damage through Leakage Current Monitoring of the ATLAS Pixel Detector
Radiation damage incurred by the silicon modules in the ATLAS Pixel Detector $B$-Layer, Layer-1, Layer-2, and disks from the beginning of 2011 through November 2018 has been monitored through measurement of the leakage current. [...]
ATL-INDET-PUB-2019-001. - 2019. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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6997.
Observation of light-by-light scattering and new results from ultra-peripheral heavy-ion collisions in the ATLAS experiment / Tayalati, Yahya (University Mohammed V) ; Tayalati, Yahya (University Mohammed V)
Light-by-light (LbyL) scattering,
ATL-PHYS-PROC-2019-156. - 2020. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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6998.
The ATLAS Electron and Photon Trigger Performance in Run 2 / ATLAS Collaboration
Electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential for the ATLAS experiment to record signals for a wide variety of physics: from Standard Model processes to searches for new phenomena in both proton–proton and heavy-ion collisions. [...]
ATL-DAQ-PROC-2019-031. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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6999.
Observation of Light-by-Light scattering in ATLAS / Schmieden, Kristof (European Laboratory for Particle Physics, CERN)
These proceedings describe the observation of the light-by-light scattering process, $\gamma\gamma\rightarrow\gamma\gamma$, in Pb+Pb collisions at $\sqrt{s_\textrm{NN}} = 5.02\,\TeV$. [...]
ATL-PHYS-PROC-2019-155. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7000.
MONITORING AND ACCOUNTING FOR THE DISTRIBUTED COMPUTING SYSTEM OF THE ATLAS EXPERIMENT / ATLAS Collaboration
ATLAS developed over the years a large number of monitoring and accounting tools for distributed computing applications. [...]
ATL-SOFT-PROC-2019-010. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7001.
Top mass measurements in ATLAS and CMS / Vanadia, Marco (INFN Roma Tor Vergata and Universita' di Roma Tor Vergata, Dipartimento di Fisica)
An overview on recent top quark mass measurements performed by the ATLAS and CMS experiments on LHC $pp$ collision data is presented
ATL-PHYS-PROC-2019-162. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7002.
Searches for strongly interacting SUSY particles (incl. stop) / Bogavac, Danijela (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain)
Supersymmetry is one of the most popular extensions of the Standard Model that aims to fill some of the gaps. [...]
ATL-PHYS-PROC-2019-161. - 2019. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7003.
EI3 – The ATLAS EventIndex for LHC Run 3 / ATLAS Collaboration
Since 2015 the ATLAS Event Index provides a good and reliable service for the initial use cases (mainly event picking) and several additional ones, such as production consistency checks, duplicate event detection and measurements of the overlaps of trigger chains and derivation datasets. [...]
ATL-SOFT-PROC-2019-009. - 2019. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7004.
DATA KNOWLEDGE BASE: METADATA INTEGRATION SYSTEM FOR HENP EXPERIMENTS / Golosova, Marina (CERN Tier-0) ; Grigoryeva, Maria (M.V.Lomonosov Moscow State University) ; Aulov, Vasilii (NRC Kurchatov Institute Tier site) ; Kaida, Anastasiia (NRC Kurchatov Institute Tier site) ; Borodin, Mikhail (University of Iowa)
HENP experiments, especially the long-living ones like the ATLAS experiment at the LHC, have a diverse and evolving ecosystem of information systems that help scientists to organize research processes -- such as data handling (including data taking, simulation, processing, storage, and access), preparing and discussion of publications, etc. [...]
ATL-SOFT-PROC-2019-008. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7005.
Probing $g \rightarrow b\bar b$ with inclusive jets and V+jets with ATLAS / Cairo, Valentina Maria (SLAC National Accelerator Laboratory)
In this contribution, measurements performed by the ATLAS Collaboration at the Large Hadron Collider based on events containing jets or vector bosons plus jets aimed at probing gluon splitting will be summarised..
ATL-PHYS-PROC-2019-160. - 2019.
Original Communication (restricted to ATLAS) - Full text
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7006.
Recent soft QCD results from ATLAS and CMS / Cairo, Valentina Maria (SLAC National Accelerator Laboratory)
In this contribution, a review of recent experimental results on soft Quantum Chromodynamics obtained by the ATLAS and CMS Collaborations at the Large Hadron Collider is given..
ATL-PHYS-PROC-2019-159. - 2019.
Original Communication (restricted to ATLAS) - Full text
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7007.
Associated quarkonium production at ATLAS / Zakareishvili, Tamar (High Energy Physics Institute of Tbilisi State University)
The associated production of a vector boson with quarkonia is a key new observable for understanding the quarkonium production mechanisms, including the separation of single and double parton scattering components. [...]
ATL-PHYS-PROC-2019-158. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7008.
Recent results from ATLAS: Onia, heavy-flavor, and more / Spousta, Martin (Charles University, Faculty of Mathematics and Physics, Prague)
In this short report we review the recent results obtained using the ATLAS experiment on quarkonia and heavy flavor measurements in heavy-ion collisions..
ATL-PHYS-PROC-2019-157. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7009.
Tile TDAQ interface module for the Phase-II Upgrade of the ATLAS Tile Calorimeter / Yue, Xiaoguang (Kirchhoff Inst. Phys.)
In order to meet the requirements for the High-Luminosity Large Hadron Collider (HL-LHC), a completely new architecture will be used to redesign the readout electronics of the ATLAS Tile Calorimeter (TileCal) system for the ATLAS Phase-II Upgrade. [...]
ATL-TILECAL-PROC-2019-011. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7010.
SCA eXtension: a Design for FPGA Parameter Configuration within the ATLAS DAQ Scheme / Bakalis, Christos (National Technical University of Athens)
The foreseen upgrades of the Large Hadron Collider (LHC) are expected to increase the demand in throughput of the front-end and back-end electronics that support the readout of the LHC detectors. [...]
ATL-DAQ-PROC-2019-034. - 2019. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7011.
Precision electroweak measurements with ATLAS / Andari, Nansi (IRFU, CEA, Université Paris-Saclay)
Proceedings for EPS conference: The electroweak sector of the Standard Model can be tested via precision measurements of fun- damental observables. [...]
ATL-PHYS-PROC-2019-163. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7012.
Commissioning the new detector interface for the ATLAS trigger and readout system / Ilic, Nikolina (Radboud University Nijmegen and NIKHEF)
During the next major shutdown from 2019-2020, the ATLAS experiment at the LHC at CERN will adopt the Front-End Link eXchange (FELIX) system as the interface between the data acquisition, detector control and TTC (Timing, Trigger and Control) systems and new or updated trigger and detector front-end electronics. [...]
ATL-DAQ-PROC-2019-033. - 2019. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7013.
The ATLAS Hardware Track Trigger design towards first prototypes / Dittmeier, Sebastian Johannes (Physikalisches Institut) ; ATLAS TDAQ Collaboration
For the High-Luminosity LHC, planned to start in 2026, the ATLAS experiment will be equipped with the Hardware Tracking for the Trigger (HTT) system, a dedicated hardware system able to reconstruct tracks in the silicon detectors with short latency. [...]
ATL-DAQ-PROC-2019-032. - 2020. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7014.
The ATLAS Strip Detector System for the High-Luminosity LHC / Arling, Jan-Hendrik (DESY, Hamburg and Zeuthen)
The ATLAS experiment at the Large Hadron Collider (LHC) is currently preparing for major detector upgrades for the Phase-II of the LHC operation, scheduled to start in 2026. [...]
ATL-ITK-PROC-2019-014. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7015.
FELIX: The New Readout System for the ATLAS Detector / Trovato, Marco (Argonne National Laboratory)
A Trigger and Data Acquisition system (TDAQ) capable to trigger and record data is required by the ATLAS experiment at CERN. [...]
ATL-DAQ-PROC-2019-036. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7016.
ATLAS Muon Trigger Performance / Ventura, Andrea (INFN Lecce and Universita del Salento, Dipartimento di Matematica e Fisica)
Events containing muons in the final state are an important signature for many analyses being carried out at the Large Hadron Collider (LHC), including both standard model measurements and searches for new physics. [...]
ATL-DAQ-PROC-2019-035. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7017.
The Micromegas chambers for the upgrade of the forward muon detector of ATLAS / Samarati, Jerome (CERN)
The ATLAS collaboration at LHC has chosen the resistive Micromegas technology, along withthe small-strip Thin Gap Chambers (sTGC), for the high luminosity upgrade of the first muonstation in the high-ηregion (i.e.1.3 < |η| < 2.7), the so called New Small Wheel (NSW) project[1]. [...]
ATL-MUON-PROC-2019-012. - SISSA, 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7018.
The BIS78 Pad trigger board for the Phase-I Upgrade of the Level-1 Muon Trigger of the ATLAS experiment at LHC / Loffredo, Salvatore (INFN Roma Tor Vergata and Universita' di Roma Tor Vergata, Dipartimento di Fisica)
The Phase-I Level-1 Muon Trigger of the ATLAS Experiment will receive inputs from the Resistive Plate Chamber (RPC) detector in the barrel region and from the Thin Gap Chamber (TGC), the BIS78 RPC and the New Small Wheel (NSW) detectors in the endcap region. [...]
ATL-MUON-PROC-2019-011. - 2019. - 3 p.
Original Communication (restricted to ATLAS)
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7019.
Operational Experience and Performance with the ATLAS Pixel detector at the Large Hadron Collider / Balbi, Gabriele (Universita e INFN, Bologna)
The Pixel detector is a crucial part of the ATLAS detector and all the performance of the tracking system is based on its features. [...]
ATL-INDET-PROC-2019-006. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7020.
Measurement of differential cross-section of $t\bar{t}$ and $t\bar{t}+b\bar{b}$ production with the ATLAS detector. / Delabat Diaz, Yasiel (DESY, Hamburg and Zeuthen)
Measurements of differential cross-sections of top-quark pairs production are presented as a function of bottom-quark and $t\bar{t}$ system kinematic observables in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=13~$TeV. [...]
ATL-PHYS-PROC-2019-165. - 2019. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7021.
Highlights of top quark physics at ATLAS / Lysak, Roman (Institute of Physics of the Czech Academy of Sciences)
This contribution gives an overview of the most recent top quark measurements performed in LHC proton-proton collisions with the ATLAS detector, covering measurements of inclusive and differential cross-sections of top quark pair and single top quark production, measurements of the production of top quarks in association with electroweak gauge bosons or additional jets, precise measurements of the top quark mass and measurements of other top quark properties, such as the charge asymmetry of the top quark pair. [...]
ATL-PHYS-PROC-2019-164. - 2019. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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7022.
$CP$ violation in $B_s^0\rightarrow J/\psi \phi$ in the ATLAS experiment / Novotny, Radek (Czech Technical University in Prague)
The measurement of the $CP$-violation parameters in the $B_s^0\rightarrow J/\psi(\mu^+\mu^-)\phi(K^+ K^-)$ channel using data collected by the ATLAS detector from 13 TeV pp collisions at the LHC with integrated luminosity of 80.5 fb$^{-1}$ is presented. [...]
ATL-PHYS-PROC-2020-001. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7023.
Modeling radiation damage in the pixel sensors of the ATLAS detector / Lari, Tommaso (INFN, Milan)
As the integrated luminosity delivered by the Large Hadron Collider increases, radiation damage effects are increasingly apparent in the response of the vertex detectors of the experiments. [...]
ATL-INDET-PROC-2020-001. - 2020. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7024.
Operational Experience and Performance with the ATLAS Pixel detector at the Large Hadron Collider at CERN / Sohns, Fabian (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
The tracking performance of the ATLAS detector relies critically on its 4-layer Pixel Detector which has undergone significant hardware and readout upgrades to meet the challenges imposed by the higher collision energy, pileup and luminosity delivered by the Large Hadron Collider (LHC), with record breaking instantaneous luminosities of 2 x $10^{34}$ cm$^2$ s$^{-1}$ recently surpassed. [...]
ATL-INDET-PROC-2019-007. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7025.
Search for heavy neutrinos with the ATLAS detector / Scutti, Federico (University of Melbourne (AU))
Multiple theories beyond the Standard Model predict the existence of heavy neutrinos, such as the Type I or Type III See-Saw mechanisms which can explain the light neutrino masses, or Left- Right Symmetric Models which restore parity symmetry in weak interactions at higher energy scale and predict right-handed counterparts to the weak gauge bosons [...]
ATL-PHYS-PROC-2019-166. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7026.
Simultaneous Jet Energy and Mass Calibrations with Neural Networks
The jet mass is one of the most important observables for identifying boosted, hadronically decaying, massive particles. [...]
ATL-PHYS-PUB-2020-001. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7027.
Performance and Upgrade of the ATLAS Tile Calorimeter / Solodkov, Alexander (Institute for High Energy Physics of the National Research Centre Kurchatov Institute, Protvino)
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2020-001. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7028.
The Operational Experience, Challenges and Performance of the ATLAS Semiconductor Tracker during LHC Run-2 / Hirose, Shigeki (Albert-Ludwigs-Universitaet Freiburg)
The Large Hadron Collider (LHC) completed its Run-2 operation period from 2015 through 2018, which delivered an integrated luminosity of 156~fb$^{-1}$ at a centre-of-mass $pp$ collision energy of 13~TeV. [...]
ATL-INDET-PROC-2020-002. - 2020. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7029.
The ATLAS Electron and Photon Trigger Performance in Run 2 / Koeck, Daniela Maria (University of Sussex)
Electron and photon trigger at the ATLAS detector are an important part in many physics analyses in ATLAS, targeting electrons and photons as final state or using them for validation purposes. [...]
ATL-DAQ-PROC-2020-001. - 2020. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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7030.
The ATLAS ITk Strip Detector System for the Phase-II LHC Upgrade / Wonsak, Sven (University of Liverpool) ; ATLAS Collaboration
The ATLAS experiment at the Large Hadron Collider is currently preparing for a major upgrade of the Inner Tracking for the Phase-II LHC operation (known as HL-LHC), scheduled to start in 2026. [...]
ATL-ITK-PROC-2020-001. - 2020. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7031.
Measurement of the CP-violating phase $\phi_s$ in $B_s^0 \rightarrow J/\psi \left(\mu^+\mu^-\right) + \phi\left(K^+K^-\right)$ decays / Novotny, Lukas (Czech Technical University in Prague)
The CP violating phase $\phi_s$ arises from the interference between the $B_s^0$ direct decays and decays with the $B_s^0 - \bar{B_s^0}$ mixing. [...]
ATL-PHYS-PROC-2020-003. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7032.
Rare and Semi-rare Decays of Beauty Mesons in ATLAS / Walkowiak, Wolfgang (Department Physik, Universitaet Siegen)
The ATLAS experiment at the Large Hadron Collider (LHC) has performed measurements of the rare flavor-changing neutral-current processes $b \to s\,\mu^+\mu^-$ and $B^0_{(s)}\to \mu+\mu^-$ which are sensitive to New Physics effects. [...]
ATL-PHYS-PROC-2020-002. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7033.
Long-term monitoring of delivered luminosity and calibration stability in ATLAS / Lang, Valerie Susanne (Albert-Ludwigs-Universitaet Freiburg)
Long-term monitoring of the delivered luminosity and of the calibration stability is an integral part of the ATLAS luminosity measurement at the LHC. [...]
ATL-DAPR-PROC-2020-001. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7034.
Single- and and double-differential cross-sections in ttbar final states in the lepton+jets channel / Kvita, Jiri (Palacky University, RCPTM)
We present measurements of single- and double-differential cross-sections in ttbar final states in the lepton+jets channel, unfolded to particle and parton levels with both resolved and boosted topologies considered. [...]
ATL-PHYS-PROC-2020-005. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7035.
Overview of Recent Results from ATLAS / Wiglesworth, Craig (Niels Bohr Institute (NBI), University of Copenhagen)
This paper presents an overview of recent results from the ATLAS Experiment at the CERN Large Hadron Collider, with a particular focus on those that are based on the entire Run 2 dataset of $\sqrt{s}$=13~TeV proton-proton collisions. [...]
arXiv:2001.05353 ; ATL-PHYS-PROC-2020-004. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7036.
Review of the 13 TeV ATLAS Open Data release
The ATLAS Collaboration is releasing a new set of proton-proton collision data to the public for educational purposes. [...]
ATL-OREACH-PUB-2020-001. - 2020. - 28 p.
Original Communication (restricted to ATLAS) - Fulltext
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7037.
Heavy Flavour production in ATLAS: Charmonium production in p-p at 13 TeV and in Pb-Pb collsions. Associated charmonium and vector bosons production. / Abbott, Brad (University of Oklahoma) /ATLAS Collaboration
Five results are presented for charmonium production in $pp$, $p-Pb$ and $Pb-Pb$ collisions. Measurements of per-event yields, nuclear modification factors and non-prompt fractions are presented for $J/\psi$ and $\psi(2S)$ in Pb+Pb collisions at $\sqrt{S_{NN}}$ = 5.02 TeV and $pp$ collisions at $\sqrt{s}$=5.02 TeV. [...]
ATL-PHYS-PROC-2020-006.- Geneva : CERN, 2020 - 13 p. - Published in : PoS Beauty2019 (2020) 023 Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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7038.
FELIX: The New Readout System for the ATLAS Detector / Trovato, Marco (Argonne National Laboratory)
After the current LHC shutdown (2019-2021), the ATLAS experiment at the LHC at CERN will be required to operate in an increasingly harsh collision environment. [...]
ATL-DAQ-PROC-2020-002. - 2020. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7039.
Performance of the ATLAS Tile Calorimeter / Klimek, Pawel (Northern Illinois University)
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. [...]
ATL-TILECAL-PROC-2020-002. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7040.
Flow and centrality fluctuations from ATLAS / Jia, Jiangyong (Stony Brook University)
Results of multi-particle cumulants for harmonic flow coefficients $v_n$ are obtained for Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV. [...]
ATL-PHYS-PROC-2020-009. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7041.
Correlation of flow harmonics and mean transverse momentum in 5.02 TeV p+Pb and Pb+Pb collisions and event-plane dependence of HBT radii in high-multiplicity p+Pb collisions with the ATLAS detector / Bold, Tomasz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
To assess the properties of the quark-gluon plasma formed in heavy ion collisions, correlations between the mean transverse momentum, $p_{\mathrm{T}}$, and the magnitude of the flow harmonics, $v_n$, are measured by the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2020-008. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7042.
Search for exotic states in ATLAS: pentaquarks / Yeletskikh, Ivan (Joint Institute for Nuclear Research)
A study of $J/\psi p$ resonances in the $\Lambda_b \rightarrow J/\psi p K$ decays with large $m(p K^-)$ invariant masses by the ATLAS experiment at the LHC is presented. [...]
ATL-PHYS-PROC-2020-007. - 2020. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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7043.
ATLAS LAr Calorimeter Performance in LHC Run 2 / ATLAS LAr Collaboration ; Spalla, Margherita (Max-Planck-Institut fuer Physik) - Presenter, on behalf of LAr Group
Liquid argon (LAr) sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region $|\eta| < 3.2$, and for hadronic and forward calorimetry in the region $1.5 < |\eta| < 4.9$. [...]
ATL-LARG-PROC-2020-001. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7044.
The ATLAS Level-1 Topological Processor: experience and upgrade plans / Moreno Martinez, Carlos (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain)
During Run-2 the Large Hadron Collider has provided, at the World’s energy frontier, proton-proton collisions to the ATLAS experiment with high instantaneous luminosity (up to 2.1 x 10^34cm^−2s^−1), placing stringent operational and physical requirements on the ATLAS trigger system in order to reduce the 40 MHz collision rate to a manageable event storage rate of 1 kHz, while not rejecting interesting collisions. [...]
ATL-DAQ-PROC-2020-003. - 2020. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7045.
ATLAS job submission system for Salomon HPC based on ARC-CE / Svatos, Michal (Institute of Physics of the Czech Academy of Sciences) ; Chudoba, Jiri (Institute of Physics of the Czech Academy of Sciences) ; Vokac, Petr (Czech Technical University in Prague)
The ATLAS experiment at CERN is using HPCs opportunistically to extend its computing capacity for years. [...]
ATL-SOFT-PROC-2020-001. - 2020. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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7046.
Searches for Higgs beyond the Standard Model and Higgs pair-production / Spagnolo, Stefania (INFN Lecce and Universita del Salento, Dipartimento di Matematica e Fisica)
This report reviews a selection of searches for new Higgs bosons, anomalous Higgs decays, and Higgs pair-production at the LHC and the resulting constraints on benchmark theoretical models. [...]
ATL-PHYS-PROC-2020-010. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7047.
Concurrent data structures in the ATLAS offline software / Snyder, Scott (Brookhaven National Laboratory (BNL))
In preparation for Run 3 of the LHC, the ATLAS experiment is modifying its offline software to be fully multithreaded. [...]
ATL-SOFT-PROC-2020-005. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7048.
Computing Activities at the Spanish Tier-1 and Tier-2s for the ATLAS experiment towards the LHC Run3 and High Luminosity (HL-LHC) periods / ATLAS Collaboration
The ATLAS Spanish Tier-1 and Tier-2s have more than 15 years of experience in the deployment and development of LHC computing components and their successful operations. [...]
ATL-SOFT-PROC-2020-004. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7049.
Development of the ATLAS Liquid Argon Calorimeter Readout Electronics for the HL-LHC / Hryn'ova, Tetiana (LAPP, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS/IN2P3, Annecy) ; ATLAS LAr Collaboration
Following new TDAQ buffering requirements and high expected radiation doses in the pileup conditions of the high-luminosity LHC, the ATLAS Liquid Argon Calorimeter electronics will be upgraded to readout the 182,500 calorimeter cells at 40 MHz with 16 bit dynamic range. [...]
ATL-LARG-PROC-2020-002. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7050.
The ATLAS EventIndex for LHC Run 3 / ATLAS Collaboration
The ATLAS EventIndex was designed in 2012-2013 to provide a global event catalogue and limited event-level metadata for ATLAS analysis groups and users during LHC Run 2 (2015-2018). [...]
ATL-SOFT-PROC-2020-003. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7051.
Evolution of the ATLAS analysis model for Run-3 and prospects for HL-LHC / ATLAS Collaboration
With an increased dataset obtained during CERN LHC Run-2, the even larger forthcoming Run-3 data and more than an order of magnitude expected increase for HL-LHC, the ATLAS experiment is reaching the limits of the current data production model in terms of disk storage resources. [...]
ATL-SOFT-PROC-2020-002. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7052.
Readout demonstrator for a Large-Scale Pixel-Detector conforming to the ATLAS Phase-II Upgrade / Gabrielli, Alessandro (Universita e INFN, Bologna)
After a long design and development, a prototype of the pixel detector front-end readout chip is proposed for the HL-LHC ATLAS and CMS upgrades. [...]
ATL-DAQ-PROC-2020-004. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7053.
ART - ATLAS Release Tester using the Grid / Cuhadar Donszelmann, Tulay (University of California, Irvine) ; Lampl, Walter (University of Arizona) ; Stewart, Graeme (European Laboratory for Particle Physics, CERN)
The ART system is designed to run test jobs on the Grid after an ATLAS nightly release has been built. [...]
ATL-SOFT-PROC-2020-012. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7054.
Fast and resource-efficient Deep Neural Network on FPGA for the Phase-II Level-0 muon barrel trigger of the ATLAS experiment / Giagu, Stefano (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
Proceedings of parallel talk at CHEP 2019. [...]
ATL-DAQ-PROC-2020-008. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7055.
Upgraded Electronics of the ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Abdallah, Jalal (The University of Texas at Arlington)
The ATLAS hadronic Tile Calorimeter (TileCal) will undergo major upgrades to the on- and off-detector electronics in preparation for the high luminosity program of the LHC in 2026, so that the system can cope with the HL-LHC increased radiation levels and out-of-time pileup. [...]
ATL-TILECAL-PROC-2020-006. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7056.
ATLAS Level-1 Endcap Muon Trigger for Run 3 / Mizukami, Atsushi (KEK, High Energy Accelerator Research Organization)
The Large Hadron Collider is expected to operate with a centre-of-mass energy of 14~TeV and an instantaneous luminosity of $2.0 \times 10^{34}\ \rm{cm^{-2} s^{-1}}$ for Run~3 scheduled from 2021 to 2024. [...]
ATL-DAQ-PROC-2020-007. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7057.
LHC-ATLAS Phase-I upgrade: calibration and simulation of a new trigger readout system for the Liquid Argon calorimeter / Tateno, Gen (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
The ATLAS experiment at CERN's Large Hadron Collider is in the middle of the Phase-I upgrade for Run 3 (2021-2023) and the High-Luminosity LHC (2026-) where the instantaneous luminosities are going to be much higher than previously reached. [...]
ATL-LARG-PROC-2020-003. - 2019. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7058.
Tile-in-One: An integrated system for data quality and conditions assessment for the ATLAS Tile Calorimeter / Smirnov, Yuri (Northern Illinois University) ; Smiesko, Juraj (Institute of Experimental Physics of the Slovak Academy of Sciences, Kosice)
The Tile Calorimeter (TileCal) is a crucial part of the ATLAS detector which jointly with other calorimeters reconstructs hadrons, jets, tau-particles, missing transverse energy and assists in muon identification. [...]
ATL-TILECAL-PROC-2020-005. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7059.
Adapting ATLAS@Home to trusted and semi-trusted resources / Cameron, David (University of Oslo) ; Garonne, Vincent (University of Oslo) ; Millar, Paul ; Sun, Shaojun (Department of Physics, University of Wisconsin) ; Wu, Wenjing (University of Michigan, Department of Physics)
ATLAS@Home is a volunteer computing project which enables members of the public to contribute computing power to run simulations of the ATLAS experiment at CERN. [...]
ATL-SOFT-PROC-2020-011. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7060.
Designing a new infrastructure for ATLAS Online Web Services / Scannicchio, Diana (University of California, Irvine) ; Ballestrero, Sergio (University of Johannesburg, Department of Mechanical Engineering Science) ; Brasolin, Franco (Universita e INFN, Bologna) ; Sanchez Pineda, Arturo Rodolfo (INFN Gruppo Collegato di Udine, Dipartimento Politecnico di Ingegneria ed Architettura, Universita' di Udine, Udine) ; Twomey, Matthew Shaun (Department of Physics, University of Washington, Seattle)
Within the ATLAS detector, the Trigger and Data Acquisition system is responsible for the online processing of data streamed from the detector during collisions at the Large Hadron Collider (LHC) at CERN. [...]
ATL-DAQ-PROC-2020-006. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7061.
Design principles of the Metadata Querying Language (MQL) implemented in the ATLAS Metadata Interface (AMI) ecosystem / Fulachier, Jerome (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Lambert, Fabian (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Odier, Jerome (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC))
This document describes the design principles of the Metadata Querying Language (MQL) implemented in AMI, a metadata-oriented domain-specific language allowing to query databases without knowing the relation between tables. [...]
ATL-SOFT-PROC-2020-010. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7062.
Data-acquisition system developments for ATLAS pixel QA and QC test toward High-Luminosity LHC / Todome, Kazuki (Universita e INFN, Bologna)
In preparation for the High luminosity LHC (HL-LHC) upgrade, the whole ATLAS inner tracker will be replaced by a new silicon detector tracker. [...]
ATL-ITK-PROC-2020-003. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7063.
Measurements of top-quark pair single- and double-differential cross-sections in the all-hadronic channel in $pp$ collisions at $\sqrt{s}$ = 13 TeV using the ATLAS detector
Differential cross-sections are measured for top-quark pair production in the all-hadronic decay mode, using proton--proton collision events collected by the ATLAS experiment in which all six decay jets are separately resolved. [...]
ATLAS-CONF-2020-001. - 2020. - 91 p.
Original Communication (restricted to ATLAS) - Full text
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7064.
Operational Intelligence / Paparrigopoulos, Panos (CERN) ; Di Girolamo, Alessandro (European Laboratory for Particle Physics, CERN) ; Legger, Federica (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
In the near future, large scientific collaborations will face unprecedented computing challenges. [...]
ATL-SOFT-PROC-2020-009. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7065.
Enhancements in Functionality of the Interactive Visual Explorer for ATLAS Computing Metadata / Grigoryeva, Maria (M.V.Lomonosov Moscow State University) ; Titov, Mikhail (M.V.Lomonosov Moscow State University) ; Padolski, Siarhei (Brookhaven National Laboratory (BNL)) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Alekseev, Aleksandr (Universidad Andres Bello) ; Artamonov, Aleksei (National Research Nuclear University MEPhI) ; Korchuganova, Tatiana (Universidad Andres Bello) ; Galkin, Timofei (National Research Nuclear University MEPhI)
The development of the Interactive Visual Explorer (InVEx), a visual analytics tool for ATLAS computing metadata, includes research of various approaches for data handling both on server and client sides. [...]
ATL-SOFT-PROC-2020-008. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7066.
ATLAS Tile Calorimeter Conditions Database architecture and operations in Run 2 / Smirnov, Iouri (Northern Illinois University (US)) ; Chakraborty, Dhiman (Northern Illinois University) ; Solodkov, Alexander (Institute for High Energy Physics of the National Research Centre Kurchatov Institute, Protvino) ; Harkusha, Siarhei (Institute of Physics, National Academy of Sciences)
An overview of the Conditions Database (DB) structure for the hadronic Tile Calorimeter (TileCal), one of the ATLAS Detector sub-systems, is presented. [...]
ATL-TILECAL-PROC-2020-004. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7067.
FELIX: the new detector interface for ATLAS / Panduro Vazquez, Jose Guillermo (Department of Physics, Royal Holloway and Bedford New College)
After the current LHC shutdown (2019-2021), the ATLAS experiment will be required to operate in an increasingly harsh collision environment. [...]
ATL-DAQ-PROC-2020-005. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7068.
ATLAS measurements of collective flow of heavy-flavor hadrons in small collision systems / Lim, Sanghoon (University of Colorado Boulder)
ATLAS measurements of azimuthal anisotropy of heavy flavor mesons in the small systems is presented. [...]
ATL-PHYS-PROC-2020-013. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7069.
Using Kubernetes as an ATLAS computing site / ATLAS Collaboration
In recent years containerization has revolutionized cloud environments, providing a secure, lightweight, standardized way to package and execute software. [...]
ATL-SOFT-PROC-2020-007. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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7070.
Managing the ATLAS Grid through Harvester / Barreiro Megino, Fernando Harald (The University of Texas at Arlington) ; Alekseev, Aleksandr (Universidad Andres Bello) ; Berghaus, Frank (University of Victoria) ; Cameron, David (University of Oslo) ; De, Kaushik (The University of Texas at Arlington) ; Filipcic, Andrej (Jozef Stefan Institute) ; Glushkov, Ivan (The University of Texas at Arlington) ; Lin, Fahui (Academia Sinica, Taipei) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Magini, Nicolo (Iowa State University)
ATLAS Computing Management has identified the migration of all computing resources to Harvester, PanDA’s new workload submission engine, as a critical milestone for Run 3 and 4. [...]
ATL-SOFT-PROC-2020-006. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Fulltext from publisher - Full text
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7071.
ATLAS Open Data – Development of a simple-but-real HEP data analysis framework / Ould-Saada, Farid (University of Oslo)
The ATLAS Collaboration is releasing a new set of recorded and simulated data samples at a centre-of-mass energy of 13 TeV. [...]
ATL-OREACH-PROC-2020-001. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7072.
ATLAS Tile calorimeter calibration and PMT response / Boumediene, Djamel Eddine (Laboratoire de Physique de Clermont-Ferrand (LPC), Universite Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, France)
The ATLAS Tile Calorimeter (TileCal) is the central section of the hadronic calorimeter of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2020-003. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7073.
The ATLAS Pixel Detector Upgrade at the HL-LHC / Pater, Joleen (School of Physics and Astronomy, University of Manchester)
In 2025 the Large Hadron Collider will be shut down to allow upgrades to the accelerator and the experiments. [...]
ATL-ITK-PROC-2020-002. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7074.
Measurements of dileptons and photon pairs from two-photon scattering in ultra-peripheral and hadronic Pb+Pb collisions with the ATLAS detector / Palni, Prabhakar (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
In ultra-relativistic heavy ion collisions, one expects copious rates of $\gamma + \gamma $ processes through the interaction of the large electromagnetic fields of the nuclei, which can produce new particles (e.g. [...]
ATL-PHYS-PROC-2020-012. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7075.
Collective behavior of high-$p_\mathrm{T}$ particles in 8.16 TeV $p$+Pb collisions with ATLAS / Hill, Kurt Keys (University of Colorado Boulder)
Charged particles in small collision systems such as $pp$ and $p$+Pb have been observed to have significant azimuthal modulations of their momenta, commonly interpreted as flow, up to a transverse momentum of $p_\mathrm{T}\approx10$ GeV. [...]
ATL-PHYS-PROC-2020-011. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7076.
Search for rare and lepton-flavor violating decays of the Higgs boson with the ATLAS detector / Mlynarikova, Michaela (Charles University, Faculty of Mathematics and Physics, Prague)
The Standard Model predicts several rare Higgs boson decay channels, which have not yet been observed, but that could be enhanced in theories beyond the Standard Model. [...]
ATL-PHYS-PROC-2020-017. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7077.
Optimisation of the smoothing of $b$-jet identification efficiency and mistag rate simulation-to-data scale factors in ATLAS
The performance of the $b$-jet identification algorithms, in use by the ATLAS Collaboration for the analysis of data from Run 2 of the Large Hadron Collider, is evaluated in the simulation and the efficiency with which these algorithms identify $b$-jets, or misidentify $c$- and light-flavour jets, is measured in collision data. [...]
ATL-PHYS-PUB-2020-004. - 2020. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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7078.
Compilation plots of Run 2 Heavy Ions results for Quark Matter 2019
This document contains compilation plots of the published and Preliminary RAA results in the Z boson, W boson, jet, charged hadron, prompt and non-prompt J/psi, and Upsilon(1S) channels from the Run 2 data shown at the Quark Matter 2019 conference. [...]
ATL-PHYS-PUB-2020-003. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7079.
Identification of very-low transverse momentum muons in the ATLAS experiment
The standard muon identification in the ATLAS experiment is optimized for muons with transverse momentum ($p$$_{T}$) above 5 GeV. [...]
ATL-PHYS-PUB-2020-002. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7080.
ATLAS public web site: evolution to Drupal 8 / Goldfarb, Steven (ARC Centre of Excellence in Particle Physics at the Terascale, School of Physics, The University of Melbourne) ; Anthony-Kittelsen, Katarina-Amelia (INFN Gruppo Collegato di Udine, Dipartimento Politecnico di Ingegneria ed Architettura, Universita' di Udine, Udine) ; Hutinet, Maxime (HEPIA - Haute école du paysage, d'ingénierie et d'architecture (CH)) ; Mehlhase, Sascha (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Nellist, Clara (Radboud University Nijmegen and NIKHEF)
Four years after deployment of our public web site using the Drupal 7 content management system, the ATLAS Education and Outreach group is in the process of migrating to the new CERN Drupal 8 infrastructure. [...]
ATL-OREACH-PROC-2020-003. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7081.
Monte-Carlo modeling in single top quark and in other rare top-related processes / Berlendis, Simon Paul (University of Arizona)
The production of top quarks through single or rare production modes has become important due large amount of data collected by both ATLAS and CMS. [...]
ATL-PHYS-PROC-2020-016. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7082.
Search for new phenomena in final states with large jet multiplicities and missing transverse momentum using $\sqrt{s}=13~\mathrm{TeV}$ proton-proton collisions recorded by ATLAS in Run 2 of the LHC
Results of a search for new particles decaying to eight or more jets and moderate missing transverse momentum are presented. [...]
ATLAS-CONF-2020-002. - 2020. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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7083.
The release of the 13 TeV ATLAS Open Data: using open education resources effectively / Serkin, Leonid (INFN Gruppo Collegato di Udine and ICTP, Trieste)
The ATLAS Collaboration is releasing a new set of proton-proton collision data to the public for educational purposes. [...]
ATL-OREACH-PROC-2020-002. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7084.
LHC-ATLAS Phase-1 upgrade: Firmware validation for real time digital processing for new trigger readout system of the Liquid Argon calorimeter / Oishi, Reiyo (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
The LHC-ATLAS Run3 experiment will be started from 2021 under high luminosity and high energy environment. [...]
ATL-LARG-PROC-2020-004. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7085.
Highlights from the ATLAS experiment / Spousta, Martin (Charles University, Faculty of Mathematics and Physics, Prague)
The ATLAS experiment at the LHC has undertaken an extensive program to probe and characterize the hot and dense quark-gluon plasma created in relativistic heavy ion collisions and, in general, to study non-perturbative and collictive properties of the strong interaction. [...]
ATL-PHYS-PROC-2020-015. - 2021. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7086.
Energy Reconstruction Performance in the ATLAS Tile Calorimeter Operating at High Event Rate Conditions Using LHC Collision Data / Lieber Marin, Juan (Universidade Federal do Rio De Janeiro, COPPE/EE/IF) ; Furtado De Simas Filho, Eduardo (Universidade Federal do Rio De Janeiro, COPPE/EE/IF) ; Sotto-Maior Peralva, Bernardo (Universidade Federal de Juiz de Fora (UFJF)) ; Seixas, Jose (Universidade Federal do Rio De Janeiro, COPPE/EE/IF)
The discovery of particles that shape our universe pushes the scientific community to increasingly build sophisticated equipments. [...]
ATL-TILECAL-PROC-2020-007. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7087.
ATLAS Operational Monitoring Data Archival and Visualization / Soloviev, Igor (University of California, Irvine) ; Avolio, Giuseppe (European Laboratory for Particle Physics, CERN) ; Kazymov, Andrei (Joint Institute for Nuclear Research) ; Vasile, Matei Eugen (Horia Hulubei National Institute of Physics and Nuclear Engineering)
The Information Service (IS) is an integral part of the Trigger and Data Acquisition (TDAQ) system of the ATLAS experiment at the Large Hadron Collider (LHC) at CERN. [...]
ATL-DAQ-PROC-2020-009. - 2020.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7088.
ATLAS Event Store and I/O developments in support for Production and Analysis in Run 3 / Nowak, Marcin (Brookhaven National Laboratory (BNL)) ; Van Gemmeren, Peter (Argonne National Laboratory) ; Cranshaw, Jack (Argonne National Laboratory)
During the long LHC shutdown, ATLAS experiment is preparing several fundamental changes to its offline event processing framework and analysis model [...]
ATL-SOFT-PROC-2020-015. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7089.
Precision measurements at the LHC / Amoroso, Simone (DESY, Hamburg and Zeuthen)
This contribution highlights selected results from the programme of precision Standard Model measurements of the ATLAS and CMS Collaboration at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2020-014. - 2020. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7090.
ATLAS Data Carousel / Barisits, Martin-Stefan (European Laboratory for Particle Physics, CERN) ; Borodin, Mikhail (University of Iowa) ; Di Girolamo, Alessandro (European Laboratory for Particle Physics, CERN) ; Elmsheuser, Johannes (Brookhaven National Laboratory (BNL)) ; Golubkov, Dmitry (Institute for High Energy Physics of the National Research Centre Kurchatov Institute, Protvino) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Lassnig, Mario (European Laboratory for Particle Physics, CERN) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Walker, Rodney (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Zhao, Xin (Brookhaven National Laboratory (BNL))
The ATLAS experiment at CERN’s Large Hadron Collider (LHC) stores detector and simulation data in raw and derived data formats across more than 150 Grid sites world-wide. [...]
ATL-SOFT-PROC-2020-014. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7091.
Deploying and administrating the ATLAS Metadata Interface (AMI) 2.0 ecosystem / Odier, Jerome (Centre National de la Recherche Scientifique (FR)) ; Fulachier, Jerome (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Lambert, Fabian (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC))
ATLAS Metadata Interface (AMI) is a generic software ecosystem for metadata aggregation, transformation and cataloguing. [...]
ATL-SOFT-PROC-2020-013. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7092.
The Micromegas chambers for the ATLAS New Small Wheel upgrade / Bhattacharya, Deb Sankar (Julius Max. Universitaet Wuerzburg (DE))
The ATLAS collaboration at the LHC has chosen the resistive Micromegas (MM) technology, along with the small-strip Thin Gap Chambers (sTGC), for the high luminosity upgrade of the first muon station in the high-rapidity region, the so called New Small Wheel (NSW) project. [...]
ATL-MUON-PROC-2020-001. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7093.
Measurements of electroweak boson tagged jet energy loss and modification by ATLAS / Perepelitsa, Dennis (University of Colorado Boulder)
This proceedings describes the Preliminary results by ATLAS on Z-tagged charged hadron production in Pb+Pb and pp collisions, presented in a parallel talk at the Quark Matter 2019 conference..
ATL-PHYS-PROC-2020-024. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7094.
Observation and measurements of vector-boson scattering at the ATLAS detector / Penc, Ondrej (Institute of Physics of the Czech Academy of Sciences) ; ATLAS Collaboration
The scattering of electroweak bosons tests the gauge structure of the Standard Model and is sensitive to anomalous quartic gauge couplings. [...]
ATL-PHYS-PROC-2020-023. - 2020. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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7095.
Searches for new phenomena in final states involving leptons and jets using the ATLAS detector / Novak, Tadej (Jozef Stefan Institute)
Final states containing both leptons and jets can be used to probe for physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2020-022. - 2020. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7096.
ATLAS results on quarkonia and heavy flavour production / Lyubushkina, Tatiana (Joint Institute for Nuclear Research)
The associated production of vector boson with quarkonia is a key observable for understanding the quarkonium production mechanisms, including the separation of single and double parton scattering components..
ATL-PHYS-PROC-2020-021. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7097.
ATLAS searches for di-Higgs production at 13 TeV and prospects for HL-LHC / Sano, Yuta (Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University) ; ATLAS Collaboration
The latest results on production of Higgs boson pairs at 13 TeV by the ATLAS experiment are reported, including a combination of six different decay modes. [...]
ATL-PHYS-PROC-2020-020. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7098.
Improvements in utilisation of the Czech national HPC center / Svatos, Michal (Institute of Physics of the Czech Academy of Sciences) ; Chudoba, Jiri (Institute of Physics of the Czech Academy of Sciences) ; Vokac, Petr (Czech Technical University in Prague)
The ATLAS distributed computing is allowed to opportunistically use resources of the Czech national HPC center IT4Innovations in Ostrava. [...]
ATL-SOFT-PROC-2020-016. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7099.
Search for BSM Physics Using Challenging Signatures With the ATLAS Detector / Sidoti, Antonio (Universita e INFN, Bologna)
Many theories beyond the Standard Model predict signatures difficult to reconstruct and for which estimating the background is also a challenge. [...]
ATL-PHYS-PROC-2020-019. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7100.
Search for a scalar partner of the top quark in the all-hadronic $t\bar{t}$ plus missing transverse momentum final state at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for direct pair production of scalar partners of the top quark (top squarks or scalar third-generation up-type leptoquarks) in the all-hadronic $t\bar{t}$ plus missing transverse momentum final state is presented. [...]
ATLAS-CONF-2020-004. - 2020. - 48 p.
Original Communication (restricted to ATLAS) - Full text
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7101.
Search for new phenomena with top quark pairs in final states with one lepton, jets, and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for new phenomena with top quark pairs in final states with one isolated electron or muon, multiple jets, and large missing transverse momentum is performed. [...]
ATLAS-CONF-2020-003. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7102.
Bottomonium production in Pb+Pb collisions with ATLAS / Lee, Songkyo (Iowa State University)
Bottomonium, a bound state of a bottom quark and its antiquark, is an excellent probe of the hot and dense medium created in heavy-ion collisions. [...]
ATL-PHYS-PROC-2020-018. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7103.
Implementation of ATLAS Distributed Computing monitoring dashboards using InfluxDB and Grafana / Beermann, Thomas Alfons (Bergische Universitaet Wuppertal) ; Alekseev, Aleksandr (Universidad Andres Bello) ; Barberis, Dario (INFN Genova and Universita' di Genova, Dipartimento di Fisica) ; Crepe-Renaudin, Sabine Chrystel (Centre National de la Recherche Scientifique (FR)) ; Elmsheuser, Johannes (Brookhaven National Laboratory (BNL)) ; Glushkov, Ivan (The University of Texas at Arlington) ; Svatos, Michal (Institute of Physics of the Czech Academy of Sciences) ; Vartapetian, Armen (The University of Texas at Arlington) ; Vokac, Petr (Czech Technical University in Prague) ; Wolters, Helmut (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon)
For the last 10 years, the ATLAS Distributed Computing project has based its monitoring infrastructure on a set of custom designed dashboards provided by CERN-IT. [...]
ATL-SOFT-PROC-2020-019. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7104.
Enabling ATLAS big data processing on Piz Daint at CSCS / Sciacca, Francesco Giovanni (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics) ; Weber, Michele (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics)
Predictions for requirements for the LHC computing for Run 3 and Run 4 (HLLHC) over the course of the next 10 years show a considerable gap between required and available resources, assuming budgets will globally remain flat at best. [...]
ATL-SOFT-PROC-2020-018. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7105.
Rucio beyond ATLAS: Experiences from Belle II, CMS, DUNE, EISCAT3D, LIGO/VIRGO, SKA, XENON / Lassnig, Mario (European Laboratory for Particle Physics, CERN) ; Barisits, Martin-Stefan (European Laboratory for Particle Physics, CERN) ; Laycock, Paul (Brookhaven National Laboratory (BNL)) ; Serfon, Cedric (Brookhaven National Laboratory (BNL)) ; Vaandering, Eric Wayne (Fermi National Accelerator Lab. (US)) ; Ellis, Katherine (Queen Mary University of London) ; Illingworth, Robert (Fermi National Accelerator Lab. (US)) ; Garonne, Vincent (University of Oslo) ; Fronze', Gabriele Gaetano (Universita e INFN Torino (IT))
For many scientific projects, data management is an increasingly complicated challenge. [...]
ATL-SOFT-PROC-2020-017. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7106.
Towards an Intelligent Data Delivery Service / Guan, Wen (Department of Physics, University of Wisconsin) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Dimitrov, Gancho (European Laboratory for Particle Physics, CERN) ; Bockelman, Brian Paul (University of Nebraska Lincoln (US)) ; Wenaus, Torre (Brookhaven National Laboratory (BNL)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Magini, Nicolo (Iowa State University)
Abstract. [...]
arXiv:2007.01791 ; ATL-SOFT-PROC-2020-031. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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7107.
Multithreaded simulation for ATLAS: challenges and validation strategy / Bandieramonte, Marilena (University of Pittsburgh) ; Chapman, John Derek (Cavendish Laboratory, University of Cambridge) ; Gray, Heather (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Muskinja, Miha (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Chiu, Yu Him Justin (University of Victoria)
Estimations of the CPU resources that will be needed to produce simulated data for the future runs of the ATLAS experiment at the LHC, indicate a compelling need to speed-up the process to reduce the computational time required. [...]
ATL-SOFT-PROC-2020-030. - 2020. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7108.
Data-centric Graphical User Interface of the ATLAS Event Index Service / ATLAS Collaboration
ATLAS Event Index Service keeps references to all events real and simulated events. [...]
ATL-SOFT-PROC-2020-029. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7109.
External Resources: Clouds and HPCs for the expansion of the ATLAS production system at the Tokyo regional analysis center / Kaneda, Michiru (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
The Tokyo regional analysis center at the International Center for Elementary Particle Physics, the University of Tokyo, is one of the Tier 2 sites for the ATLAS experiment in the Worldwide LHC Computing Grid. [...]
ATL-SOFT-PROC-2020-028. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7110.
Fast Calorimeter Simulation in ATLAS / Gasiorowski, Sean (Washington U., Seattle) ; Gray, Heather (LBL, Berkeley)
The ATLAS physics program relies on very large samples of simulated events. [...]
ATL-SOFT-PROC-2020-027. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7111.
An Information Aggregation and Analytics System for ATLAS Frontier / Formica, Andrea (IRFU, CEA, Université Paris-Saclay) ; Ozturk, Nurcan (The University of Texas at Arlington) ; Si Amer, Millissa (European Laboratory for Particle Physics, CERN) ; Lozano Bahilo, Jose Julio (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Vukotic, Ilija (University of Chicago, Enrico Fermi Institute) ; Gallas, Elizabeth (University of Oxford, Particle Physics)
ATLAS event processing requires access to centralized database systems where information about calibrations, detector status and data-taking conditions are stored. [...]
ATL-SOFT-PROC-2020-026. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7112.
Using Graph Databases / Hrivnac, Julius (Universite Paris-Saclay, CNRS/IN2P3, IJCLab, 91405, Orsay)
Data in HEP are usually stored in tuples (tables), trees, nested tuples (trees of tuples) or relational (SQL-like) databases, with or without defined schema. [...]
ATL-SOFT-PROC-2020-025. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7113.
Implementation and performances of a DPM federated storage and integration within the ATLAS environment / Jezequel, Stephane (Centre National de la Recherche Scientifique (FR)) ; Knoops, Edith B F G (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS) ; Crepe-Renaudin, Sabine Chrystel (Centre National de la Recherche Scientifique (FR)) ; Le Flour Chollet, Frederique Marie (LAPP, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS/IN2P3, Annecy) ; Chevaleyre, Jean-Claude (Laboratoire de Physique de Clermont-Ferrand (LPC), Universite Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, France) ; Gondrand, Christine Nicole (Laboratoire de Physique Subatomique et de Cosmologie de Grenoble (LPSC)) ; Adam Bourdarios, Claire (LAPP, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS/IN2P3, Annecy)
With the increase of storage needs at the High-Luminosity LHC (HL- LHC) horizon, the data management and its access will be very challenging for this critical service. [...]
ATL-SOFT-PROC-2020-024. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7114.
FullSimLight: ATLAS standalone Geant4 simulation / Bandieramonte, Marilena (University of Pittsburgh) ; Boudreau, Joseph (University of Pittsburgh) ; Bianchi, Riccardo Maria (University of Pittsburgh)
HEP experiments simulate the detector response by accessing allneeded data and services within their own software frameworks. [...]
ATL-SOFT-PROC-2020-023. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7115.
Likelihood preservation and statistical reproduction of searches for new physics / Feickert, Matthew (University of Illinois at Urbana-Champaign) ; Heinrich, Lukas (European Laboratory for Particle Physics, CERN) ; Stark, Giordon Holtsberg (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) - proceedings author proceedings author
Likelihoods associated with statistical fits in searches for new physics are beginning to be published by LHC experiments on HEPData. [...]
ATL-SOFT-PROC-2020-022. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7116.
ATLAS Sim@P1 upgrades during long shutdown two / ATLAS Collaboration
The Simulation at Point1 (Sim@P1) project was built in 2013 to take advantage of the ATLAS Trigger and Data Acquisition High Level Trigger (HLT) farm. [...]
ATL-SOFT-PROC-2020-021. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7117.
Standalone containers with ATLAS offline software / Borodin, Mikhail (University of Iowa) ; Forti, Alessandra (School of Physics and Astronomy, University of Manchester) ; Heinrich, Lukas (European Laboratory for Particle Physics, CERN) ; Vogel, Marcelo (Bergische Universitaet Wuppertal)
This paper describes the deployment of ATLAS offline software in containers for use in production workflows such as simulation and reconstruction. [...]
ATL-SOFT-PROC-2020-020. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7118.
Recent ATLAS results in Vector-Boson Scattering / Sommer, Philip (University of Sheffield)
Contribution to the Reports of the VBSCan Mid-Term Scientific Meeting
ATL-PHYS-PROC-2020-025. - 2020. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7119.
Radiation hardness of the Low Gain Avalanche Diodes developed by NDL and IHEP in China / Fan, Yunyun (Institute of High Energy Physics, Chinese Academy of Sciences)
This is a proceeding of 12th international "Hiroshima" Symposium on the Development and Application of Semiconductor Tracking Detectors [...]
ATL-LARG-PROC-2020-005. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7120.
Expected $b$-tagging performance with the upgraded ATLAS Inner Tracker detector at the High-Luminosity LHC
In view of the operation of the ATLAS detector under High-Luminosity LHC conditions, the central tracking system will be upgraded to maintain high levels of performance with a peak instantaneous luminosity of $7.5\times10^{34}~\mathrm{cm}^{-2}s^{-1}$, corresponding to an average of about 200 inelastic proton-proton collisions per beam-crossing. [...]
ATL-PHYS-PUB-2020-005. - 2020. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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7121.
Measurement of jet structure and substructure in heavy ion collisions with ATLAS / Rybar, Martin (Nevis Laboratory, Columbia University)
Studies of jet structure in heavy-ion collisions can provide information about the mechanism of jet quenching in the hot and dense QCD medium created in these collisions and about its properties over a range of distance scales. [...]
ATL-PHYS-PROC-2020-027. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7122.
Investigation of the CP properties of VBF Higgs production using the decay to a pair of tau leptons with the ATLAS detector / Oerdek, Serhat (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
Recent studies at the LHC have led to the observation of the Higgs boson decay to tau leptons, with a rate compatible with the Standard Model expectation. [...]
ATL-PHYS-PROC-2020-026. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7123.
Measurement of inclusive cross section and observation of electroweak production of two jets in association with a Z-boson pair in pp collisions at √s = 13 TeV with the ATLAS detector / Zhu, Heling (University of Science and Technology of China)
The observation of electroweak production of two jets in association with a Z-boson pair using 139 fb−1 of pp collision data at √s = 13 TeV collected by the ATLAS detector at the LHC is presented. [...]
ATL-PHYS-PROC-2020-032. - 2020. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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7124.
SUSY searches in ATLAS and CMS / Mitsou, Vasiliki A. (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
Supersymmetry (SUSY) is one of the most relevant scenarios of new physics searched for at the CERN Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2020-031. - 2020. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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7125.
Ultraperipheral Collisions at RHIC and the LHC / Steinberg, Peter (Brookhaven National Laboratory (BNL))
The current status of ultraperipheral measurements in heavy ion collisions is discussed, with an emphasis on what is learned from one photon (photonuclear) and two photon (gamma-gamma) processes. [...]
ATL-PHYS-PROC-2020-030. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7126.
Reinterpretation of the ATLAS Search for Displaced Hadronic Jets with the RECAST Framework
A recent ATLAS search for displaced jets in the hadronic calorimeter is preserved in RECAST and thereafter used to constrain three new physics models not studied in the original work. [...]
ATL-PHYS-PUB-2020-007. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7127.
Soft QCD at ATLAS and CMS / Kulchitsky, Yuri (Institute of Physics, National Academy of Sciences) /ATLAS Collaboration
A short overview of the recent soft QCD experimental results measurements in proton-proton collisions from the ATLAS and CMS collaborations at the Large Hadron Collider is presented. The double-parton scattering, underlying event in the different inclusive productions and differential cross sections for single diffractive dissociation at a centre-of-mass energies $\sqrt{s} = 8$ and 13~TeV are discussed..
ATL-PHYS-PROC-2020-029.- Geneva : CERN, 2020 - 12 p. - Published in : Acta Phys. Pol., B 51 (2020) 1411-1423 Fulltext: 10.5506_APhysPolB.51.1411 - PDF; ATL-PHYS-PROC-2020-029 - PDF; External link: Original Communication (restricted to ATLAS)
In : XXVI Cracow EPIPHANY Conference, LHC Physics: Standard Model and Beyond, Cracow, Poland, 7 - 10 Jan 2020, pp.1411-1423
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7128.
Evaluation of the ATLAS model for remote access to database resident information for LHC Run 3 / Gallas, Elizabeth (University of Oxford, Particle Physics) ; Dimitrov, Gancho (European Laboratory for Particle Physics, CERN)
The ATLAS model for remote access to database resident information relies upon a limited set of dedicated and distributed Oracle database repositories complemented with the deployment of Frontier system infrastructure on the WLCG. [...]
ATL-SOFT-PROC-2020-033. - 2020.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7129.
SEARCH FOR NEW RESONANCES / Adiguzel, Aytul (Department of Physics, Bogazici University)
Many theories beyond the Standard Model (BSM) predict new phenomena at the highest energies accessible by the LHC. [...]
ATL-PHYS-PROC-2020-028. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7130.
Harnessing the power of supercomputers using the PanDA Pilot 2 in the ATLAS Experiment / Nilsson, Paul (Brookhaven National Laboratory (BNL)) ; Anisenkov, Alexey (Budker Institute of Nuclear Physics and Novosibirsk State University, Siberian Branch of Russian Academy of Sciences) ; Benjamin, Douglas (Argonne National Laboratory) ; Guan, Wen (Department of Physics, University of Wisconsin) ; Javurek, Tomas (European Laboratory for Particle Physics, CERN) ; Oleynik, Danila (Joint Institute for Nuclear Research)
The unprecedented computing resource needs of the ATLAS experiment have motivated the Collaboration to become a leader in exploiting High Performance Computers (HPCs). [...]
ATL-SOFT-PROC-2020-032. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7131.
hMSSM summary plots from direct and indirect searches
This note presents an update to the hMSSM summary plots. [...]
ATL-PHYS-PUB-2020-006. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7132.
Performance of the ATLAS RPC detector and Level-1 muon barrel trigger at √s = 13 TeV / Sessa, Marco (University of Science and Technology of China)
The Level-1 muon trigger system of the ATLAS experiment at the Large Hadron Collider (LHC) selects muon candidates with six transverse momentum thresholds and associate them with the correct LHC bunch crossing. [...]
ATL-MUON-PROC-2020-002. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7133.
Searches for squarks and gluinos with the ATLAS detector / Todome, Kazuki (Universita e INFN, Bologna)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
ATL-PHYS-PROC-2020-035. - 2020. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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7134.
Accelerator Based Searches for Dark Matter / Kay, Ellis (University of Victoria)
While a plethora of convincing astrophysical evidence indicates the existence of some non-baryonic form of 'dark' matter, this mysterious constituent of our Universe evades detection. [...]
ATL-PHYS-PROC-2020-034. - 2020. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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7135.
Searching for BSM Higgs and Gauge Bosons Decaying to Two Tau Leptons Using 36 fb$^{-1}$ of Data Collected at $\sqrt{s}=13$ TeV with the ATLAS Detector / Krzysiak, Janina Anna (Institute of Nuclear Physics Polish Academy of Sciences, Krakow)
A search for additional heavy neutral Higgs bosons and $Z'$ bosons decaying to two tau leptons is performed using data corresponding to an integrated luminosity of 36.1 fb$^{-1}$ from proton–proton collisions at $\sqrt{s} =$ 13 TeV recorded by the ATLAS detector at the LHC during 2015 and 2016. [...]
ATL-PHYS-PROC-2020-033. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7136.
Measurement of the associated production of a Higgs boson decaying to $b$ quarks with a vector boson at high transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
The associated production of a Higgs boson with a W or Z boson decaying to leptons and where the Higgs boson decays to a bb ̄ pair is measured in the high transverse momentum regime, above 250 GeV, with the ATLAS detector. [...]
ATLAS-CONF-2020-007. - 2020. - 38 p.
Original Communication (restricted to ATLAS) - Full text
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7137.
Measurements of $WH$ and $ZH$ production in the $H\rightarrow b\bar{b}$ decay channel in $pp$ collisions at $13\,$TeV with the ATLAS detector
Measurements are presented of the Standard Model Higgs boson decaying into a $b\bar{b}$ pair and produced in association with a $W$ or $Z$ boson decaying into leptons, using proton-proton collision data collected between 2015 and 2018 by the ATLAS detector. [...]
ATLAS-CONF-2020-006. - 2020. - 65 p.
Original Communication (restricted to ATLAS) - Full text
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7138.
Measurement of the Higgs boson mass in the $H \rightarrow ZZ^* \rightarrow 4\ell$ decay channel with $\sqrt{s}=13$ TeV $pp$ collisions using the ATLAS detector at the LHC
A measurement of the Higgs boson mass, $m_H$ in the $H \rightarrow ZZ^* \rightarrow 4\ell$ decay channel is presented. [...]
ATLAS-CONF-2020-005. - 2020. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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7139.
Search for trilepton resonances from chargino and neutralino pair production in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector
A search is performed for the electroweak pair production of charginos and neutralinos which each decay through an R-parity-violating coupling to a lepton and a $W$, $Z$, or Higgs boson. [...]
ATLAS-CONF-2020-009. - 2020. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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7140.
Search for invisible Higgs boson decays with vector boson fusion signatures with the ATLAS detector using an integrated luminosity of 139 fb$^{-1}$
A direct search for Higgs bosons that are produced via vector boson fusion and subsequently decay into invisible particles is reported.The analysis uses 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}$ = 13 TeV recorded by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2020-008. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7141.
Search for vector-like quarks / Dias DO Vale, Tiago (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon)
Vector-like quarks (VLQ) are predicted by many extensions of the Standard Model. [...]
ATL-PHYS-PROC-2020-037. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7142.
The phase-1 upgrade of the ATLAS level-1 calorimeter trigger / Ermoline, Iouri (Michigan State University, Department of Physics and Astronomy)
The ATLAS level-1 calorimeter trigger (L1Calo) is a hardware-based system that identifies events containing calorimeter-based physics objects, including electrons, photons, taus, jets, and missing transverse energy. [...]
ATL-DAQ-PROC-2020-010. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7143.
Search for a new Heavy Resonance in final states with di-jet or di-$b$-jets with the ATLAS Detector / Dong, Binbin (Shanghai Jiao Tong University)
A search of new heavy resonances decaying into a pair of jets in $pp$ collisions with the ATLAS detector at LHC is reported [...]
ATL-PHYS-PROC-2020-036. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7144.
The BIS78 Resistive Plate Chambers upgrade of the ATLAS Muon Spectrometer for the LHC Run-3 / Massa, Lorenzo (Universita e INFN, Bologna)
Resistive Plate Chambers are used in the ATLAS experiment and provide the muon trigger and two coordinate measurements in the barrel region |$\eta$|<1.05. [...]
ATL-MUON-PROC-2020-003. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7145.
ATLAS LAr Calorimeter Performance in LHC Run-2 / Mahon, Devin James (Nevis Laboratory, Columbia University) ; ATLAS LAr Collaboration
Liquid argon (LAr) sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region $|\eta|$ < 3.2, and for hadronic and forward calorimetry in the region from $|\eta|$ = 1.5 to $|\eta|$ = 4.9. [...]
ATL-LARG-PROC-2020-006. - 2020. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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7146.
Searches for new phenomena with the ATLAS detector / Guescini, Francesco (Max-Planck-Institut fuer Physik)
Many theories beyond the Standard Model predict new phenomena accessible by the LHC. [...]
ATL-PHYS-PROC-2020-038. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7147.
Top quark physics with the ATLAS detector: recent highlights / Bruscino, Nello (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica)
The top quark is the heaviest known fundamental particle. [...]
ATL-PHYS-PROC-2020-039. - 2020. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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7148.
Performance of the ATLAS RPC detector and Level-1 muon barrel trigger at $\sqrt{s}$ = 13 TeV / Li, Heng (University of Science and Technology of China)
The ATLAS experiment at the Large Hadron Collider utilises a trigger system consisting of a first level (Level-1) trigger based on custom hardware and a higher level trigger based on computer farms. [...]
ATL-MUON-PROC-2020-006. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7149.
Precision survey of the readout strips of small-strip Thin Gap Chambers using X-rays for the muon spectrometer upgrade of the ATLAS experiment / Lefebvre, Benoit (TRIUMF)
The instantaneous luminosity of the Large Hadron Collider (LHC) will be increased by a factor of 5 to 7 after a series of upgrades of the CERN accelerator complex. [...]
ATL-MUON-PROC-2020-005. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7150.
Upgrade of the ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Zakareishvili, Tamar (High Energy Physics Institute of Tbilisi State University)
The ATLAS hadronic Tile Calorimeter (TileCal) will undergo major upgrades to the on- and off-detector electronics in preparation for the high luminosity programme of the LHC (HL-LHC) in 2026. [...]
ATL-TILECAL-PROC-2020-009. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7151.
Performance of the ATLAS Tile Calorimeter / Gololo, Mpho Gift Doctor (School of Physics, University of the Witwatersrand)
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. [...]
ATL-TILECAL-PROC-2020-008. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7152.
Electronics Performance of the ATLAS New Small Wheel Micromegas Wedges at CERN / Tzanis, Polyneikis (National Technical University of Athens)
A series of upgrades are planned for the LHC accelerator to increase its instantaneous luminosity to 7.5×10^34 cm−2s−1. [...]
ATL-MUON-PROC-2020-004. - 2020. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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7153.
Measurement of beam background in special high-β* LHC runs at √s = 900 GeV using the ATLAS–ALFA detectors
The background measurements performed during special runs with high $\beta^\ast$ optics at the injection energy of the LHC accelerator using the ALFA detectors in the ATLAS experiment are reported. [...]
ATL-FWD-PUB-2020-001. - 2020. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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7154.
Experimental Results in the Extended Higgs Sector / Gerlach, Lino Oscar (Georg-August-Universitat Goettingen, II. Physikalisches Institut)
An Extended Higgs sector could solve many problems of the Standard Model and is, therefore, investigated by several analyses of the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2020-040. - 2020. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7155.
Studies of gas volumes current density in the ATLAS RPC detector during 2018 data taking at Large Hadron Collider / Krasnopevtsev, Dimitrii (University of Science and Technology of China)
The ATLAS Resistive Plate Chamber (RPC) detector is a tracking trigger, used to primarily select high momentum muons in the ATLAS barrel region ($|\eta|<$1.05) at the 40 MHz collision rate, and to provide muons azimuthal coordinates. [...]
ATL-MUON-PROC-2020-007. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7156.
A W/Z-boson tagger using Track-CaloCluster jets with ATLAS
The performance of a W/Z-boson tagger optimized for a diboson resonance search in semi- leptonic final states is presented. [...]
ATL-PHYS-PUB-2020-008. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7157.
Development of the ATLAS Liquid Argon (LAr) Calorimeter Readout Electronics for the HL-LHC / Zhulanov, Vladimir (Budker Institute of Nuclear Physics and Novosibirsk State University, Siberian Branch of Russian Academy of Sciences)
To meet new trigger and data acquisition (TDAQ) buffering requirements and withstand the high expected radiation doses at the High-Luminosity LHC, the ATLAS Liquid Argon Calorimeter readout electronics will be upgraded. [...]
ATL-LARG-PROC-2020-008. - 2020. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7158.
ATLAS Forward Proton Time-of-Flight Detector: LHC Run2 performance and experiences / Sykora, Tomas (Charles University, Faculty of Mathematics and Physics, Prague)
The performance of the ATLAS Forward Proton Time-of-Flight (ToF) Cherenkov detector is shown using the ATLAS collaboration data collected in the 2017 running period of the LHC Run2. [...]
ATL-FWD-PROC-2020-001. - 2020. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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7159.
Small-Strip Thin Gap Chambers for the Muon Spectrometer Upgrade of the ATLAS Experiment / Pudzha, Denis (Petersburg Nuclear Physics Institute)
The instantaneous luminosity of the Large Hadron Collider at CERN will be increased by about a factor of five with respect to the design value by undergoing an extensive upgrade program over the coming decade. [...]
ATL-MUON-PROC-2020-008. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7160.
The ATLAS Strip Detector System for the High-Luminosity LHC / Rodriguez Rodriguez, Arturo (Albert-Ludwigs-Universitaet Freiburg)
The ATLAS experiment at the Large Hadron Collider is currently preparing for a significant upgrade of the Inner Tracker for the High-Luminosity LHC operation, scheduled to start in 2027. [...]
ATL-ITK-PROC-2020-004. - 2020. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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7161.
A High-Granularity Timing Detector for the Phase-II upgrade of the ATLAS Calorimeter system: detector concept, description and R&D and beam test results / Castillo Garcia, Lucia (Barcelona, IFAE)
The increase of the number of interactions (pile-up) at the High Luminosity LHC (HL-LHC) will have a severe impact on the ATLAS detector reconstruction and trigger performance. [...]
ATL-LARG-PROC-2020-007. - 2020. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7162.
ATLAS Computing Acknowledgements
Document listing the centres providing major contribution to ATLAS computing in terms of CPU resources in 2018 and 2019. [...]
ATL-SOFT-PUB-2020-001. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7163.
Design and Construction of the Mechanical Structure for Thin-Gap RPC Triplets for the Upgrade of the ATLAS Muon Spectrometer / Kortner, Oliver (Max-Planck-Institut fuer Physik)
The advent of thin-gap RPCs with 1 mm gas gaps instead of 2 mm in the present RPCs opened the possibility to instrument the inner barrel layer of the ATLAS muon spectrometer where there is very limited amount of space in radial direction from the beam line. [...]
ATL-MUON-PROC-2020-010. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7164.
Monte Carlo to Monte Carlo scale factors for flavour tagging efficiency calibration
The identification of jets containing $b$- and $c$-hadrons is a key component of the physics program of the ATLAS experiment at the LHC. [...]
ATL-PHYS-PUB-2020-009. - 2020. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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7165.
Low-$p_{\mathrm{T}}$ tracking for ATLAS in nominal LHC pileup / McCormack, William Patrick (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Pagan Griso, Simone (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Dimitrievska, Aleksandra (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Garcia-Sciveres, Maurice (Lawrence Berkeley National Laboratory and University of California, Berkeley)
In the most recent year of data-taking with the ATLAS detector at the Large Hadron Collider (LHC), the minimum transverse momentum ($p_{\mathrm{T}}$) of default track reconstruction was 500 MeV. [...]
ATL-PHYS-PROC-2020-041. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7166.
The Micromegas chambers for the ATLAS New Small Wheel upgrade / Gnesi, Ivan (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica)
The ATLAS collaboration at LHC has chosen the resistive Micromegas technology, along with the small-strip Thin Gap Chambers (sTGC), for the high luminosity upgrade of the first muon station in the high-rapidity region, the so called New Small Wheel (NSW) project. [...]
ATL-MUON-PROC-2020-009. - 2020. - 21 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7167.
Dark matter summary plot : Update May 2020
This is an update of a summary plot from the Exotics WG for the axial-vector $Z^{\prime}$ dark matter simplified model, using new results as of May 2020..
ATL-PHYS-PUB-2020-015. - 2020. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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7168.
Construction and geometrical precision assessment of the Micromegas detectors for the ATLAS New Small Wheel upgrade / Minashvili, Irakli (Joint Institute for Nuclear Research)
The upgrade of the Large Hadron Collider (LHC) to the High Luminosity LHC (HL-LHC) is required to probe the physics beyond Standard Model. [...]
ATL-MUON-PROC-2020-011. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7169.
Deep Sets based Neural Networks for Impact Parameter Flavour Tagging in ATLAS
This work introduces a new architecture for Flavour Tagging based on Deep Sets, which models the jet as a set of tracks, in order to identify the experimental signatures of jets containing heavy flavour hadrons using the impact parameters and kinematics of the tracks. [...]
ATL-PHYS-PUB-2020-014. - 2020. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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7170.
SUSY May 2020 Summary Plot Update
These are summary plots, updated for the SUSY group in May 2020..
ATL-PHYS-PUB-2020-013. - 2020. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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7171.
Top working group cross-section summary plots: Spring 2020
This note presents updated figures that summarise top cross-section results from the ATLAS top working group and the LHCtopWG..
ATL-PHYS-PUB-2020-012. - 2020. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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7172.
Summary Plots for Heavy Particle Searches and Long-lived Particle Searches
The results of searches for heavy particles from the Exotics and HDBS physics groups and long-lived particles from the Exotics and SUSY physics groups are summarized in plots for a representative set of models. [...]
ATL-PHYS-PUB-2020-011. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7173.
Standard Model Summary Plots Spring 2020
This note presents cross section summary plots for measurements in the ATLAS Standard Model group as of Spring 2020..
ATL-PHYS-PUB-2020-010. - 2020. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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7174.
Rescuing VBF Higgs Invisible Events with Novel Vertex Selection / Safdari, Murtaza (SLAC National Accelerator Laboratory) ; Schwartzman, Ariel (SLAC National Accelerator Laboratory) ; Cairo, Valentina Maria (SLAC National Accelerator Laboratory) ; Pettersson, Nora Emilia (University of Massachusetts, Amherst) ; Goblirsch-Kolb, Maximilian (Brandeis University, Department of Physics) ; Lee, Graham Richard (University of Bergen) ; Su, Dong (SLAC National Accelerator Laboratory) - Advisor vertexing convenor tracking convenor tracking convenor vertexing convenor Internal Reviewer
This is an update to, and extension of, the work in ATL-PHYS-PROC-2019-044. [...]
ATL-PHYS-PROC-2020-042. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7175.
Search for chargino-neutralino pair production in final states with three leptons and missing transverse momentum in $\sqrt{s}$ = 13 TeV p-p collisions with the ATLAS detector
A search for chargino-neutralino pair production in three-lepton final states with missing transverse momentum in $\sqrt{s}$ = 13 TeV p-p collisions with the ATLAS detector is presented. [...]
ATLAS-CONF-2020-015. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7176.
Test of the universality of $\tau$ and $\mu$ lepton couplings in W boson decays from $t\bar{t}$ events at 13 TeV with the ATLAS detector
The Standard Model of particle physics constitutes our current best understanding of physics at the smallest scales. [...]
ATLAS-CONF-2020-014. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7177.
Evidence for $t\bar{t}t\bar{t}$ production in the multilepton final state in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for four-top-quark production using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector corresponding to an integrated luminosity of 139 fb$^{-1}$ is presented. [...]
ATLAS-CONF-2020-013. - 2020. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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7178.
Reconstruction and identification of boosted di-$\tau$ systems in a search for Higgs boson pairs using 13 TeV proton-proton collision data in ATLAS
In this note, a novel technique, referred to as the di-$\tau$ tagger, is designed to reconstruct and identify hadronically decaying $\tau^+\tau^-$ pairs with a large Lorentz boost in the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2020-012. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7179.
Measurement of hadronic event shapes in multijet final states at $\sqrt{s} = 13$ TeV with the ATLAS detector
A measurement of event shape variables in proton-proton collisions at large momentum transfer is presented using data collected at $\sqrt{s} = 13$ TeV with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2020-011. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7180.
Measurement of light-by-light scattering and search for axion-like particles with 2.2 nb$^{−1}$ of Pb+Pb data with the ATLAS detector
This note describes a measurement of light-by-light scattering based on Pb+Pb collision data recorded by the ATLAS experiment during the Run 2 of the LHC. [...]
ATLAS-CONF-2020-010. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7181.
Spin Correlation Summary Figures from the LHCTopWG
This doccument present several summary figures from the LHCTopWG for the $\Delta\phi(\ell^{+},\ell^{-})$ observable in $t\bar{t}$ spin correlation measurements from ATLAS and CMS using $36~\mbox{fb}^{-1}$ of 13 TeV proton-proton data..
ATL-PHYS-PUB-2020-016. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7182.
Search for dark matter in association with an energetic photon in pp collisions at s√=13 TeV with the ATLAS detector
A search for dark matter is conducted in final states containing a photon and missing transverse momentum in proton-proton collisions at 13 TeV. [...]
ATLAS-CONF-2020-020. - 2020. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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7183.
Measurements of Jet Azimuthal Anisotropies in Pb+Pb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV
This note describes the measurement of azimuthal anisotropies of jets in Pb+Pb collisions with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2020-019. - 2020. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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7184.
Measurement of the sensitivity of two particle correlations in $pp$ collisions at $\sqrt{s}=13$ TeV to the presence of jets with the ATLAS detector
Measurements of two-particle correlations in $pp$ collisions show the presence of long-range correlations along $\Delta\eta$ that are strikingly similar to those seen in heavy-ion collisions. [...]
ATLAS-CONF-2020-018. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7185.
Measurement of the dijet momentum balance in Pb+Pb and $pp$ collisions at $\sqrt{s_{NN}}$= 5.02 TeV with the ATLAS detector
This note presents measurements of the dijet momentum balance of anti-$k_{t}$ R = 0.4 jets at center-of-mass energy $\sqrt{s_{NN}}$ = 5.02 TeV in Pb+Pb and $pp$ collisions by the ATLAS experiment. [...]
ATLAS-CONF-2020-017. - 2020. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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7186.
Search for phenomena beyond the Standard Model in events with large $b$-jet multiplicity using the ATLAS detector at the LHC
A search is presented for new phenomena in final state events characterized by high jet multiplicity, no isolated leptons (electrons and muons), and large multiplicity of jets originating from the fragmentation of $b$-quarks ($b$-jets). [...]
ATLAS-CONF-2020-016. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7187.
Deep Sets for Flavor Tagging on the ATLAS Experiment / Hartman, Nicole Michelle (SLAC National Accelerator Laboratory) ; Kagan, Michael (SLAC National Accelerator Laboratory) ; Teixeira De Lima, Rafael (SLAC National Accelerator Laboratory)
Flavour Tagging is a major client for tracking in particle physics experiments at high energy colliders, where it is used to identify the experimental signatures of heavy flavor production. [...]
ATL-PHYS-PROC-2020-043. - 2020. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7188.
The ATLAS Muon Trigger Design and Performance / Drobac, Alec Swenson (Tufts University)
Muon triggers are essential for studying a variety of physics processes in the ATLAS experiment, including standard model measurements and searches for new physics. [...]
ATL-DAQ-PROC-2020-011. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7189.
Performance of the BIS78 RPC detectors: a new concept of electronics and detector integration for high-rate and fast timing large size RPCs / Pizzimento, Luca (INFN Roma Tor Vergata and Universita' di Roma Tor Vergata, Dipartimento di Fisica)
The reduction of the average charge per count in the gas along with the capability to discriminate very small avalanche signals, can allow an efficient and long-term Resistive Plate Chamber detector operation, in high radiation background environment. [...]
ATL-MUON-PROC-2020-012. - 2020. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7190.
Performance study of the ATLAS Forward Proton Time-of-Flight Detector System - Contribution to proceedings of the 28th International Workshop on Vertex Detectors - Vertex2019 / Cerny, Karel (Palacky University, RCPTM)
The performance of the ATLAS Forward Proton Time-of-Flight (ToF) detector is studied using the ATLAS LHC data collected in the $2017$ running period of LHC Run2. [...]
ATL-FWD-PROC-2020-002. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7191.
Fast tracking for the HL-LHC ATLAS detector / Klimpel, Fabian (European Laboratory for Particle Physics, CERN)
During the High-Luminosity Phase 2 of LHC, up to 200 simultaneous inelastic proton-proton collisions per bunch crossing are expected. [...]
ATL-PHYS-PROC-2020-044. - 2020. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7192.
Impact of ROOT file parameters on ATLAS Analysis Object Data
ATLAS Analysis Object Data (xAOD) and derivative representations (DxAOD) are based on the ROOT file format. [...]
ATL-SOFT-PUB-2020-002. - 2020. - 35 p.
Original Communication (restricted to ATLAS) - Full text
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7193.
Boosted hadronic vector boson and top quark tagging with ATLAS using Run 2 data
The identification of boosted hadronic decays of $W$ bosons, $Z$ bosons, and top quarks is an important part of the ATLAS physics program. [...]
ATL-PHYS-PUB-2020-017. - 2020. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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7194.
Optimisation of large-radius jet reconstruction for the ATLAS detector in 13 TeV proton-proton collisions
Jet substructure has provided new opportunities for searches and measurements at the LHC. [...]
ATLAS-CONF-2020-021. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7195.
Identification of Boosted Higgs Bosons Decaying Into $b\bar{b}$ With Neural Networks and Variable Radius Subjets in ATLAS
Boosted Higgs bosons decaying via the dominant $H\to b\bar{b}$ mode are an essential ingredient to a number of LHC physics signatures. [...]
ATL-PHYS-PUB-2020-019. - 2020. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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7196.
Deep Learning for Pion Identification and Energy Calibration with the ATLAS Detector
Separating charged and neutral pions as well as calibrating the pion energy response is a core component of reconstruction in the ATLAS calorimeter. [...]
ATL-PHYS-PUB-2020-018. - 2020. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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7197.
Measurement of the ATLAS Detector Jet Mass Response using Forward Folding with 80 $\text{fb}^{-1}$ of $\sqrt{s}=13$ TeV $pp$ data
This note reports a measurement of the jet mass response of large-radius jets reconstructed by the ATLAS experiment using $80~\mbox{fb\(^{-1}\)}~$of $\sqrt{s}=13~\text{TeV}~pp$ data. [...]
ATLAS-CONF-2020-022. - 2020. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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7198.
Determination of the strong coupling constant and test of asymptotic freedom from Transverse Energy-Energy Correlations in multijet events at $\sqrt{s} = 13$ TeV with the ATLAS detector
Measurements of transverse energy-energy correlations and their associated azimuthal asymmetries in multi-jet events are presented [...]
ATLAS-CONF-2020-025. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7199.
Measurement of the production cross-section of isolated photon pairs in pp collisions at 13 TeV with the ATLAS detector
A measurement of prompt photon-pair production in proton-proton collisions at $\sqrt{s}=13$ TeV is presented. [...]
ATLAS-CONF-2020-024. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7200.
Dark matter summary plots for s-channel mediators
This is an update of summary plots from the Exotics and SUSY working groups, via the CDM sub-group, for dark matter simplified models with $s$-channel Spin-1 and Spin-0 mediators. [...]
ATL-PHYS-PUB-2020-021. - 2020. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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7201.
SUSY July 2020 Summary Plot Update
These are summary plots, updated for the SUSY group in July 2020..
ATL-PHYS-PUB-2020-020. - 2020. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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7202.
Luminosity determination for low-pileup datasets at $\sqrt{s}=5$ and 13 TeV using the ATLAS detector at the LHC
This note describes the preliminary determination of the integrated luminosity for dedicated $pp$ collision samples recorded with low pileup at $\sqrt{s}=5$ and 13 TeV by the ATLAS detector at the LHC in 2017-2018. [...]
ATLAS-CONF-2020-023. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7203.
Search for pair production of scalar leptoquarks decaying to first or second generation leptons and boosted hadronically decaying top quarks in $pp$ collisions at $\sqrt{s}=13 \ \mathrm{TeV}$ with the ATLAS detector
A search for pair production of scalar leptoquarks, each decaying to a top quark and either an electron or a muon, is presented. [...]
ATLAS-CONF-2020-033. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7204.
Search for heavy resonances decaying into a pair of Z bosons in the $\ell^+\ell^−\ell′^+\ell′^−$ and $\ell^+\ell^−\nu\bar{\nu}$ final states using 139 fb$^{−1}$ of proton–proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for heavy resonances decaying into a pair of Z bosons leading to $\ell^+\ell^−\ell′^+\ell′^−$ and $\ell^+\ell^−\nu\bar{\nu}$ final states, where $\ell$ stands for either an electron or a muon, is presented. [...]
ATLAS-CONF-2020-032. - 2020. - 40 p.
Original Communication (restricted to ATLAS) - Full text
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7205.
Search for bottom-squark pair production in $pp$ collision events at $\sqrt s = 13~$TeV with hadronically decaying tau leptons, $b$-jets and missing transverse momentum using the ATLAS detector
A search for pair production of bottom squarks in events with hadronically decaying tau leptons, $b$-tagged jets and large missing transverse momentum is presented. [...]
ATLAS-CONF-2020-031. - 2020. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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7206.
Muon reconstruction and identification efficiency in ATLAS using the full Run 2 $pp$ collision data set at $\sqrt{s}=13$ TeV
This note documents the muon identification performance obtained by the ATLAS experiment between 2015 and 2018 during the LHC Run 2, corresponding to 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV. [...]
ATLAS-CONF-2020-030. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7207.
Search for pair production of third-generation scalar leptoquarks decaying into a top quark and a tau-lepton in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for pair production of third-generation scalar leptoquarks decaying into a top quark and a tau-lepton is presented. [...]
ATLAS-CONF-2020-029. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7208.
Measurements of the inclusive and differential production cross sections of a top-quark-antiquark pair in association with a $Z$ boson at $\sqrt{s} = 13$ TeV with the ATLAS detector
Measurements of both the inclusive and differential production cross sections of a top-quark-antiquark pair in association with a $Z$ boson ($t\bar{t}Z$) are presented. [...]
ATLAS-CONF-2020-028. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7209.
A combination of measurements of Higgs boson production and decay using up to $139$ fb$^{-1}$ of proton--proton collision data at $\sqrt{s}=$ 13 TeV collected with the ATLAS experiment
A combination of measurements of Higgs boson production cross sections and branching fractions is presented. [...]
ATLAS-CONF-2020-027. - 2020. - 61 p.
Original Communication (restricted to ATLAS) - Full text
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7210.
Measurement of the properties of Higgs boson production at $\sqrt{s}$=13 TeV in the $H\to \gamma\gamma$ channel using 139 fb$^{−1}$ of $pp$ collision data with the ATLAS experiment
Measurements of Higgs boson production cross sections are carried out in the diphoton decay channel using 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}$ = 13 TeV collected by the ATLAS experiment. [...]
ATLAS-CONF-2020-026. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7211.
Combination of the ATLAS, CMS and LHCb results on the $B^0_{(s)}\to\mu^+\mu^-$ decays.
A combination of results on the rare $B^0_s\to\mu^+\mu^-$ and $B^0\to\mu^+\mu^-$ decays from the ATLAS, CMS, and LHCb experiments using data collected at the Large Hadron Collider between 2011 and 2016, is presented. [...]
ATLAS-CONF-2020-049. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7212.
Search for new phenomena in events with jets and missing transverse momentum in p p collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
Search for new phenomena in events with jets and missing transverse momentum in p p collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector An overall agreement is observed between the number of events in data and Standard Model predictions. [...]
ATLAS-CONF-2020-048. - 2020. - 41 p.
Original Communication (restricted to ATLAS) - Full text
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7213.
Search for squarks and gluinos in final states with an isolated lepton, jets, and missing transverse momentum at $\sqrt{s}=13$ TeV with the ATLAS detector
The results of a search for gluino and squark pair production $pp \rightarrow \tilde{q}\tilde{q}$, $pp \rightarrow \tilde{g}\tilde{g}$ decaying via charginos ($\tilde\chi^\pm_1$) to a final state consisting of a $W$ boson, the lightest neutralino ($\tilde\chi^0_1$), and quarks are presented. [...]
ATLAS-CONF-2020-047. - 2020. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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7214.
Search for new phenomena in events with two opposite-charge leptons, jets and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
The results of a search for direct pair production of top squarks and for dark matter in events with two opposite-charge leptons (electrons or muons), jets and missing transverse momentum are reported, using 139 fb$^{-1}$ of integrated luminosity from proton-proton collisions at $\sqrt{s}=13$ TeV, collected by the ATLAS detector at the Large Hadron Collider during Run-2 (2015-2018). [...]
ATLAS-CONF-2020-046. - 2020. - 45 p.
Original Communication (restricted to ATLAS) - Full text
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7215.
Observation of vector-boson-fusion production of Higgs bosons in the $H{\rightarrow\,}WW^{\ast}{\rightarrow\,}e\nu\mu\nu$ decay channel in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
An observation of vector-boson-fusion (VBF) production of Higgs bosons in the $H{\rightarrow\,}WW^{\ast}{\rightarrow\,}e\nu\mu\nu$ decay channel is presented. [...]
ATLAS-CONF-2020-045. - 2020. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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7216.
Search for Higgs boson production in association with a high-energy photon via vector boson fusion with decay to bottom quark pairs at $\sqrt{s}=$13 TeV with the ATLAS detector
A search is presented for the production of the Standard Model Higgs boson in association with a high-energy photon. [...]
ATLAS-CONF-2020-044. - 2020. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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7217.
Search for heavy resonances decaying into a $Z$ boson and a Higgs boson in final states with leptons and $b$-jets in $139~fb^{-1}$ of $pp$ collisions at $\sqrt{s}=13 {TeV}$ with the ATLAS detector
This note presents a search for new resonances decaying into a $Z$ boson and a $125~ GeV$ Higgs boson in the $\nu\nu bb$ and $\ell\ell bb$ final states, where $\ell=e^{\pm}$ or $\mu^{\pm}$, in $pp$ collisions at $\sqrt{s}=13~TeV$ [...]
ATLAS-CONF-2020-043. - 2020. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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7218.
Measurements of differential cross-sections in four-lepton events in 13 TeV proton-proton collisions with the ATLAS detector
Measurements of four-lepton differential and integrated fiducial cross-sections in events with two same-flavour, opposite-charge electron or muon pairs are presented. [...]
ATLAS-CONF-2020-042. - 2020. - 40 p.
Original Communication (restricted to ATLAS) - Full text
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7219.
Observation and measurement of forward proton scattering in association with lepton pairs produced via the photon fusion mechanism at ATLAS
The observation of forward proton scattering in association with lepton pairs (electrons $e^+e^-+p$ or muons $\mu^+\mu^-+p$) produced via photon fusion is presented. [...]
ATLAS-CONF-2020-041. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7220.
Search for supersymmetry in events with four or more charged leptons in $139\,\mathrm{fb}^{-1}$ $\sqrt{s}=13 \,$TeV $pp$ collisions with the ATLAS detector
A search for supersymmetry in events with four or more charged leptons (electrons, muons and taus) is presented. [...]
ATLAS-CONF-2020-040. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7221.
Search for charged Higgs bosons decaying into a top-quark and a bottom-quark at $\sqrt s$ = 13 TeV with the ATLAS detector
This paper presents a search for charged Higgs bosons heavier than the top quark and decaying into a pair of top and bottom quarks. [...]
ATLAS-CONF-2020-039. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7222.
Observation of photon-induced $W^+W^-$ production in $pp$ collisions at $\sqrt{s}=13$ TeV using the ATLAS detector
This note reports the observation of photon-induced production of $W$-boson pairs, $\gamma\gamma\rightarrow WW$. [...]
ATLAS-CONF-2020-038. - 2020. - 35 p.
Original Communication (restricted to ATLAS) - Full text
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7223.
Measurements of $v_n$ at high $p_\mathrm{T}$ and correlation between $v_n$ and mean $p_\mathrm{T}$ in $p$+Pb collisions with the ATLAS detector} \ShortTitle{The $v_n$-$p_\mathrm{T}$ correlations and $v_n$ at high $p_\mathrm{T}$ in $p$+Pb collisions with ATLAS / Bold, Tomasz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
This report presents ATLAS measurements of the azimuthal anisotropy for charged particles in 8.16~TeV $p$+Pb collisions up to a $p_\mathrm{T}$ of 50 GeV. [...]
ATL-PHYS-PROC-2020-046. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7224.
Search for resonances decaying to photon pairs in 139 $fb^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector.
Searches for new resonances in the diphoton final state, with spin-0 as predicted by theories with an extended Higgs sector and with spin-2 using a warped extra-dimension benchmark model, are presented using 139 fb$^{-1}$ of $\sqrt{s} =$ 13TeV $pp$ collision data collected the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2020-037. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7225.
Search for Dark Matter Produced in Association with a Dark Higgs Boson Decaying to $W^\pm W^\mp$ or $ZZ$ in Fully Hadronic Final States Using $pp$ Collisions at $\sqrt s=13$~TeV Recorded with the ATLAS Detector
Several extensions of the Standard Model predict the production of dark matter particles at the LHC. [...]
ATLAS-CONF-2020-036. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7226.
Lepton Flavour Violation at the LHC : a search for $Z\to e\tau$ and $Z\to\mu\tau$ decays with the ATLAS detector
In the Standard Model of particle physics, three lepton families (flavours) are part of the fundamental blocks of matter. [...]
ATLAS-CONF-2020-035. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7227.
Search for dark matter associated production with a single top quark in $\sqrt{s}=13$ TeV (pp) collisions with the ATLAS detector
This paper presents a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudo-scalar mediator, which decays to the dark matter particles ($\chi$). [...]
ATLAS-CONF-2020-034. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7228.
Electroweak probes in heavy-ion collisions with ATLAS / Grabowska-Bold, Iwona (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Electroweak bosons produced in lead-lead (Pb+Pb) collisions are an excellent tool to constrain initial-state effects which affect the rates of hard-scattering processes in nucleus-nucleus interactions. [...]
ATL-PHYS-PROC-2020-045. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7229.
Soft QCD and diffractive processes at ATLAS / Bussey, Peter (University of Glasgow, SUPA - School of Physics and Astronomy)
Recent results are presented from $pp$ collisions using the ATLAS detector at the LHC, on soft QCD and diffractive processes, including measurements taken with the ALFA forward detector. [...]
ATL-PHYS-PROC-2020-048. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7230.
Measurements of event shapes and jet substructure with ATLAS Run 2 data / Leblanc, Matthew Edgar (University of Arizona)
In order to achieve the highest levels of precision at the Large Hadron Collider, a detailed understanding of the strong interaction is required. [...]
ATL-PHYS-PROC-2020-047. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7231.
Production and azimuthal anisotropy of muons from heavy flavor decays in small and large systems with ATLAS / Hu, Qipeng (Lawrence Livermore National Laboratory ; University of Colorado, Boulder)
Heavy flavor production and collectivity in A+A collisions provide insight into the energy loss mechanism and transport properties of heavy quarks in the QGP medium. [...]
ATL-PHYS-PROC-2020-049. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7232.
Jet and missing transverse momentum reconstruction in ATLAS at the LHC / Loch, Peter (Department of Physics • University of Arizona)
The hadronic final state of the proton-proton collisions at the Large Hadron Collider (LHC) at CERN is measured with the ATLAS detector by reconstructing jets and the missing transverse momentum ($E_{\text{T}}^{\text{miss}}$). [...]
ATL-PHYS-PROC-2020-055. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7233.
High Energy Physics Data Popularity : ATLAS Datasets Popularity Case Study / Grigoryeva, Maria (M.V.Lomonosov Moscow State University) ; Tretyakov, Eugeny (National Research Nuclear University MEPhI) ; Artamonov, Aleksei (National Research Nuclear University MEPhI) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Golubkov, Dmitry (Institute for High Energy Physics of the National Research Centre Kurchatov Institute, Protvino) ; Korchuganova, Tatiana (Universidad Andres Bello) ; Alekseev, Aleksandr (Universidad Andres Bello) ; Galkin, Timofei (National Research Nuclear University MEPhI)
The amount of scientific data generated by the LHC experiments has hit the exabyte scale. [...]
ATL-SOFT-PROC-2020-034. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7234.
Interpretation of ATLAS and CMS Higgs measurements in STXS and EFT / Belyaev, Nikita (National Research Nuclear University MEPhI)
Since the Higgs boson discovery in 2012, the ATLAS and CMS Collaborations are performing intensive studies of its properties. [...]
ATL-PHYS-PROC-2020-054. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7235.
Measurements of photon- and Z-tagged jet quenching by ATLAS / Ouellette, Jeffrey (University of Colorado Boulder)
The latest measurements of jet quenching by ATLAS with photon- and Z-tagged events are presented, as presented during a parallel talk in the Hard Probes 2020 conference. [...]
ATL-PHYS-PROC-2020-053. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7236.
Rare top quark production in ATLAS ($t\bar{t}t\bar{t}$, $tqZ$, $tq\gamma$) / Sabatini, Paolo (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The exceptionally large dataset of top quarks collected by the ATLAS Experiment at LHC during the Run II paves the way for more precise tests of the Standard Model in the top sector. [...]
ATL-PHYS-PROC-2020-052. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7237.
Top mass and width from CMS and ATLAS / Negrini, Matteo (Universita e INFN, Bologna)
An overview of recent measurements of the mass and the width the top quark is presented. [...]
ATL-PHYS-PROC-2020-051. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7238.
ATLAS Level-1 Endcap Muon Trigger from Run-2 to Run-3 / Nobe, Takuya (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
In the Run-3 operation of the LHC from 2021, the center-of-mass energy is planned to be increased to 14 TeV, and the instantaneous luminosity is maintained at about $2.0 \times 10^{34}$ cm$^{-2}$ s$^{-1}$. [...]
ATL-DAQ-PROC-2020-012. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7239.
Recent results on hard and rare probes from ATLAS / Przybycien, Mariusz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow)
Hard probes are indispensable tools to study the hot and dense quark-gluon matter created in ultra-relativistic heavy-ion collisions. [...]
ATL-PHYS-PROC-2020-050. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7240.
The phase-1 upgrade of the ATLAS level-1 calorimeter trigger / Franchino, Silvia (Kirchhoff-Institut f\"{u}r Physik) ; ATLAS Collaboration
L1Calo is a hardware based pipelined system processing signals from the liquid- argon (LAr) and tile calorimeters and provides trigger signals to the Central Trigger Processor (CTP). [...]
ATL-DAQ-PROC-2020-015. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7241.
Top Quark Properties from ATLAS / Young, Christopher (European Laboratory for Particle Physics, CERN)
Results of analyses of top quark properties measured at the LHC are presented on behalf of the ATLAS Collaboration. [...]
ATL-PHYS-PROC-2020-061. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7242.
Measurement of transverse flow and longitudinal flow decorrelations in $\sqrt{s_{\mathrm{NN}}}$=5.44~TeV Xe+Xe collisions with ATLAS / Behera, Arabinda (Stony Brook University)
Measurement of flow harmonics $v_n$ for $n=2$, 3 and 4 and their longitudinal decorrelations in 3~${\mu}\textrm{b}^{-1}$ of Xe+Xe collisions at $\sqrt{s_{\mathrm{NN}}}$=5.44~TeV performed with the ATLAS detector at the LHC are presented. [...]
ATL-PHYS-PROC-2020-060. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7243.
Modelling of rare top quark processes at $\sqrt{s}$ = 13 TeV in ATLAS
This note documents modelling studies for some rare processes involving top quarks carried out by the ATLAS Collaboration. [...]
ATL-PHYS-PUB-2020-024. - 2020. - 33 p.
Original Communication (restricted to ATLAS) - Full text
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7244.
Inclusive and differential $t\bar{t}$ cross-sections in ATLAS experiment / Jacka, Petr (Institute of Physics (FZU) • The Academy of Sciences of the Czech Republic (ASCR))
The latest results of inclusive and differential $t\bar{t}$ cross-section measurements in the ATLAS experiment at CERN are presented. [...]
ATL-PHYS-PROC-2020-059. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7245.
ATLAS Public Engagement: The CERN Open Days Experience / Pereira Peixoto, Ana Paula (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon) ; Mehlhase, Sascha (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen) ; Sfyrla, Anna (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve) ; Marzin, Antoine (European Laboratory for Particle Physics, CERN) ; Helary, Louis (DESY, Hamburg and Zeuthen)
The ATLAS experiment at the Large Hadron Collider is collecting unprecedented amounts of proton–proton collision data. [...]
ATL-OREACH-PROC-2020-004. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7246.
Higgs boson measurements in third generation decay channels (excluding ttH) with ATLAS and CMS / Jiggins, Stephen (Albert-Ludwigs-Universitaet Freiburg)
The coupling of the Higgs ($H$) boson to third generation fermions serves as a powerful tool for precision measurements of the Standard Model, but also as a probe for Beyond the Standard Model physics. [...]
ATL-PHYS-PROC-2020-058. - 2021. - 7 p.
Fulltext - Fulltext from publisher
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7247.
Small-Strip Thin Gap Chambers for the Muon Spectrometer Upgrade of the ATLAS Experiment / Canesse, Auriane (McGill University, Department of Physics)
The instantaneous luminosity of the Large Hadron Collider at CERN will be increased by about a factor of five with respect to the design value by undergoing an extensive upgrade program over the coming decade. [...]
ATL-MUON-PROC-2020-013. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7248.
Measurements of $b$-jet moments sensitive to $b$-quark fragmentation in $t \bar{t}$ events at the LHC with the ATLAS detector
The measurement of several observables sensitive to the fragmentation of $b$-quarks with 36 fb${}^{-1}$ of $\sqrt s = 13$ TeV LHC data are presented. [...]
ATLAS-CONF-2020-050. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7249.
Study of top-quark pair modelling and uncertainties using ATLAS measurements at $\sqrt{s}$=13 TeV
The modelling of top-quark pair production by the ATLAS collaboration utilises recent Monte Carlo generators with next-to-leading order precision in QCD and matched to a parton shower. [...]
ATL-PHYS-PUB-2020-023. - 2020. - 52 p.
Original Communication (restricted to ATLAS) - Full text
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7250.
Projected ATLAS Electron and Photon Trigger Performance in Run 3 / Orellana, Gonzalo Enrique (Universidad National de La Plata (UNLP)) ; ATLAS Collaboration
ATLAS electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential to record signals for a wide variety of physics: from Standard Model processes to searches for new phenomena. [...]
ATL-DAQ-PROC-2020-014. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7251.
Searches for dark photon with the ATLAS detector at the LHC / El Jarrari, Hassnae (University Mohammed V in Rabat)
Many extensions to the Standard Model (SM) introduce a hidden or dark sector (DS) to provide candidates for dark matter in the universe and an explanation to astrophysical observations such as the positron excess observed in the cosmic radiation flux. [...]
ATL-PHYS-PROC-2020-057. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7252.
The ATLAS Hardware Track Trigger performance studies for the HL-LHC / Moreira De Carvalho, Ana Luisa (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon)
For the High-Luminosity LHC, planned to start in 2027, the ATLAS experiment will be equipped with the Hardware Tracking for the Trigger system (HTT), a dedicated hardware system able to reconstruct tracks in the silicon detectors with short latency. [...]
ATL-DAQ-PROC-2020-013. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7253.
Searches for long-lived particles in ATLAS / Saito, Masahiko (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
Several models beyond the Standard Model predict new particles which could have a significant lifetime owing to the mass-degeneracy, heavy intermediate particles or small coupling to the lighter particles. [...]
ATL-PHYS-PROC-2020-056. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7254.
Top Quarks + X Summary Plots Summer 2020
This note presents summary plots for cross section measurements and FCNC searches performed in the ATLAS Top Quarks + X sub-group as of Summer 2020..
ATL-PHYS-PUB-2020-022. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7255.
Measurement of the production cross-section of J/ψ and ψ(2S) mesons at high transverse momentum in pp collisions at √s = 13 TeV with the ATLAS detector / Zakareishvili, Tamar (High Energy Physics Institute of Tbilisi State University)
The measurements of the prompt and non-prompt differential cross-sections of J/ψ and ψ(2S) mesons in a high transverse momentum range are reported. [...]
ATL-PHYS-PROC-2020-068. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7256.
Measurements of long-range correlations in $\mathrm{\gamma A}$ and $pp$ collisions with ATLAS / Seidlitz, Blair Daniel (University of Colorado Boulder)
Measurements of long-range correlations in small systems has resulted in the observation of very similar signatures as large systems. [...]
ATL-PHYS-PROC-2020-067. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7257.
ATLAS Upgrades / Izzo, Vincenzo (INFN Napoli and Universita' di Napoli, Dipartimento di Fisica, Napoli)
The ATLAS experiment at CERN has planned many upgrades, in order to cope with the instantaneous luminosity that will be delivered by the Large Hadron Collider (LHC) machine in the next decade. [...]
ATL-UPGRADE-PROC-2020-001. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7258.
Timing for the ATLAS Phase-II Upgrade / Boumediene, Djamel Eddine (Laboratoire de Physique de Clermont-Ferrand (LPC), Universite Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, France)
The Large Hadron Collider (LHC) at CERN will deliver an integrated luminosity of up to $4000~{\rm fb}^{-1}$ in the high-luminosity phase (HL) thanks to an increased instantaneous luminosity that will reach up to $7.5 \times 10^{34} {\rm cm}^{-2}{\rm s}^{-1}$. [...]
ATL-LARG-PROC-2020-009. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7259.
LHC Open Data for the world to see / Evans, Meirin Oan (University of Sussex)
Open Data are a crucial cornerstone of science and their benefits to society are numerous. [...]
ATL-OREACH-PROC-2020-007. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7260.
Leptonic decays of light hadronic states and rare $B$ decays / Grummer, Aidan (Department of Physics and Astronomy • University of New Mexico (UNM))
Recent results in the study of leptonic decays of light hadronic states and rare $B$ decays are presented. [...]
ATL-PHYS-PROC-2020-066. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7261.
Searches for BSM Higgs bosons at ATLAS and CMS / Bailey, Adam (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
Several beyond the standard model theories predict an extended Higgs sector, which motives searches for neutral and charged Higgs bosons in addition to the Higgs boson already observed at 125~GeV. [...]
ATL-PHYS-PROC-2020-065. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7262.
ATLAS Open Data: Data visualisation and educational physics analysis to re-discover the Higgs / Evans, Meirin Oan (University of Sussex)
ATLAS Open Data aims to introduce students to particle-physics analysis without an initial exposure to the coding behind, with tools for interactive data visualisation [...]
ATL-OREACH-PROC-2020-006. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7263.
3G SUSY Searches at ATLAS and CMS / Hodgkinson, Mark (University of Sheffield)
A number of searches, performed by the ATLAS and CMS collaborations at the LHC, for stop and sbottom pair production are discussed. [...]
ATL-PHYS-PROC-2020-064. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7264.
Dark sector searches with the ATLAS and CMS experiments / Queitsch-maitland, Michaela (European Laboratory for Particle Physics, CERN)
These proceedings summarise recent searches for dark sector mediators, in particular dark photons, using $\sqrt{s}=13$ TeV proton-proton collision data collected by the ATLAS and CMS experiments at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2020-063. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7265.
ATLAS Virtual Visits - Take part from anywhere in the world / Alhroob, Muhammad (University of Oklahoma)
This proceedings presents a summary of the ATLAS Virtual Visit service: it discusses the booking system, the video conference from the ATLAS Visitors Centre, the opportunity to make virtual tours from the ATLAS cavern, and a brief description of the new system that will be installed in the ATLAS cavern to enhance the underground Virtual Visits..
ATL-OREACH-PROC-2020-005. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7266.
Recent $t\overline{t}H$ measurements with ATLAS / Agaras, Merve Nazlim (Laboratoire de Physique de Clermont-Ferrand (LPC), Universite Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, France)
After the discovery of a Higgs boson, the measurement of its properties plays a very important role at the LHC. [...]
ATL-PHYS-PROC-2020-062. - SISSA, 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7267.
Operation and Performance of the ATLAS Tile Calorimeter / Costa Batalha Pedro, Rute (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon)
TileCal, the central hadronic calorimeter of the ATLAS detector is a key system to measure jets and the missing energy. [...]
ATL-TILECAL-PROC-2020-011. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7268.
Comparison of ATLAS and CMS VBS Monte Carlo simulation
This is a collection of comparison plots for the same-sign $WW$ scattering process, giving an overview over the different samples and settings employed at the ATLAS and CMS experiment to model VBS processes. [...]
ATL-PHYS-PUB-2020-026. - 2020. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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7269.
Performance Evaluation of Energy Reconstruction Methods in the ATLAS Hadronic Calorimeter / Lieber Marin, Juan (Universidade Federal do Rio De Janeiro, COPPE/EE/IF)
The so called particle accelerators are machines that collide particles beam next to speed of light. [...]
ATL-TILECAL-PROC-2020-010. - 2020. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7270.
Formulae for Estimating Significance
This note compares several methods for estimating significance of an observation of a number of events given a predicted rate with some uncertainty. [...]
ATL-PHYS-PUB-2020-025. - 2020. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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7271.
Recent highlights of top-quark physics with the ATLAS detector / Diez Pardos, Carmen (Department Physik, Universitaet Siegen)
Highlights of the most recent top-quark measurements obtained using the full data set collected with the ATLAS experiment at the LHC at a centre-of-mass energy of 13 TeV, corresponding to 139 fb$^{-1}$ of integrated luminosity, are presented. [...]
ATL-PHYS-PROC-2020-069. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7272.
Search for rare decays of the observed Higgs boson and additional Higgs bosons with the ATLAS detector / Kano, Yuya (Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University)
The searches for rare decays of the observed Higgs boson and additional Higgs bosons are performed at the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2020-075. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7273.
Fast simulation methods in ATLAS: from classical to generative models / ATLAS Collaboration
The ATLAS physics program relies on very large samples of \textsc{Geant4} simulated events, which provide a highly detailed and accurate simulation of the ATLAS detector. [...]
ATL-SOFT-PROC-2020-035. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7274.
Using associated production of top quarks and neutral bosons to probe standard model couplings and search for new physics / Zoch, Knut (Institut für Theoretische Physik • Georg-August-Universität Göttingen)
The unprecedentedly large integrated luminosity accumulated by the ATLAS experiment from proton-proton collisions at a centre-of-mass energy of $\sqrt{s} = 13\,\mathrm{TeV}$ at the Large Hadron Collider (LHC) allows the study of rare Standard Model (SM) processes. [...]
ATL-PHYS-PROC-2020-074. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7275.
ATLAS Results on Heavy Flavor Production and Decays / Seidel, Sally C. (Department of Physics and Astronomy • University of New Mexico (UNM))
Heavy flavor production and decays are studied with the ATLAS detector, mainly through final states containing muons. [...]
ATL-PHYS-PROC-2020-073. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7276.
Search for phenomena beyond the Standard Model in events with large $b$-jet multiplicity using the ATLAS detector at the LHC / Nguyen, Hoang Dai Nghia (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS)
Events with a large number of high-$p_{\text{T}}$ $b$-jets are rare in the Standard Model (SM); an excess of events with such topology would be a signal of phenomena beyond the SM. [...]
ATL-PHYS-PROC-2020-072. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7277.
Radiation hardness of the ATLAS Tile Calorimeter optical components / Pinheiro Pereira, Beatriz Catarina (Laboratorio de Instrumenta\c{c}\~ao e Fisica Experimental de Particulas - LIP, Lisbon)
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter and an essential part of the ATLAS experiment at the LHC. [...]
ATL-TILECAL-PROC-2020-012. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7278.
Physics prospects for ATLAS at the HL-LHC / Nielsen, Jason (Santa Cruz Institute for Particle Physics, University of California Santa Cruz)
The ATLAS experiment at CERN will undergo a series of detector upgrades over the next few years to prepare for the the High-Luminosity Large Hadron Collider (HL-LHC) project. [...]
ATL-PHYS-PROC-2020-071. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7279.
Search for displaced leptons in $\sqrt{s} = 13$ TeV pp collisions with the ATLAS detector
A search for charged leptons with large impact parameters using 139 fb$^{-1}$ of $\sqrt{s} = 13$ TeV $pp$ data from the ATLAS detector at the LHC is presented, addressing a long-standing gap in coverage of possible new physics signatures. [...]
ATLAS-CONF-2020-051. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7280.
Measurement of the combined online and offline $b$-jet identification efficiency with $t\bar{t}$ events using a likelihood method in the ATLAS detector / Bartolini, Giovanni (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS)
The identification of jets coming from the hadronization of $b$-quarks ($b$-tagging) is instrumental for many physics analyses performed at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2020-070. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7281.
SCA eXtension: a Design for FPGA Parameter Configuration within the ATLAS DAQ Scheme / Bakalis, Christos (National Technical University of Athens)
The foreseen upgrades of the Large Hadron Collider (LHC) are expected to increase the demand in throughput of the front-end and back-end electronics that support the readout of the LHC detectors. [...]
ATL-DAQ-PROC-2020-017. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7282.
The ATLAS Inner Detector Trigger performance in pp collisions at 13 TeV during LHC Run 2 / Aparo, Marco (University of Sussex)
The Inner Detector (ID) trigger plays an essential role in the ATLAS trigger system, enabling the high purity reconstruction of physics objects - electron, tau, muon, bjet candidates, providing access to regions of the phase space populated by these objects which span a wide range of kinematic regimes. [...]
ATL-DAQ-PROC-2020-016. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7283.
The study of the rare decays $B^{0}_{(s)} \rightarrow \mu^{+}\mu^{-}$ at $\sqrt{s} = 13$ TeV with the ATLAS detector / Ghneimat, Mazuza (Department Physik, Universitaet Siegen)
The flavour-changing neutral currents of the rare decays $B^{0}_{(s)} \rightarrow \mu^{+}\mu^{-}$ provide a favourable environment to observe new physics. [...]
ATL-PHYS-PROC-2020-079. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7284.
Cooling and Timing Tests of the ATLAS Fast TracKer VME Boards / ATLAS Collaboration
The Fast Tracker (FTK) is an ATLAS trigger upgrade built for full event, low-latency, high-rate tracking. [...]
arXiv:2010.14456 ; ATL-DAQ-PROC-2020-020. - 2021-07-02. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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7285.
Measurement of the Standard Model Higgs boson produced in association with a vector boson and decaying to a pair of $b$-quarks in $p$-$p$ collisions at 13 TeV using the ATLAS detector / Al Khoury, Konie (Universite Paris-Saclay, CNRS/IN2P3, IJCLab, 91405, Orsay)
The Higgs boson decays to pairs of $b$-quarks were measured in associated production with a $W$ or $Z$ boson by the ATLAS collaboration. [...]
ATL-PHYS-PROC-2020-078. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7286.
Global Trigger Technological Demonstrator for ATLAS Phase-II upgrade / Filimonov, Viacheslav (Institut fuer Physik, Universitaet Mainz) ; Bauss, Bruno (Institut fuer Physik, Universitaet Mainz) ; Buescher, Volker (Institut fuer Physik, Universitaet Mainz) ; Schaefer, Uli (Institut fuer Physik, Universitaet Mainz) ; Ta, Duc Bao (Institut fuer Physik, Universitaet Mainz)
ATLAS detector at the Large Hadron Collider (LHC) will undergo a major Phase-II upgrade for the High Luminosity LHC (HL-LHC). [...]
arXiv:2010.07667 ; ATL-DAQ-PROC-2020-019. - 2020-10-31. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7287.
CentOS Linux for the ATLAS MUCTPI Upgrade / ATLAS Collaboration
A new Muon-to-Central-Trigger Processor Interface (MUCTPI) was built as part of the upgrade of the ATLAS Level-1 trigger system for the next run of the Large Hadron Collider at CERN. [...]
arXiv:2010.08105 ; O_MISC01_9 ; ATL-DAQ-PROC-2020-018. - 2021-05-27. - 5 p.
Full text - Fulltext
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7288.
What we learned about the Higgs boson / Fiorini, Luca (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The discovery of a Higgs boson with a mass of about 125 GeV by the ATLAS and CMS collaborations at the LHC has given access to a new fundamental sector of the Standard Model. [...]
ATL-PHYS-PROC-2020-077. - 2021. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7289.
Measurements of Luminosity in ATLAS with Tile Calorimeter / Gonzalez Fernandez, Sergio (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain)
Luminosity measurements in ATLAS are provided primarily by LUCID detector, but rely on other detectors for determining the systematics associated with this measurement. [...]
ATL-TILECAL-PROC-2020-013. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7290.
ATLAS measurements of production, decays and spectroscopy of heavy flavour hadrons / Novotny, Radek (University of New Mexico)
Recent results from the ATLAS experiment on production, decays and spectroscopy of heavy flavour hadrons are presented. [...]
ATL-PHYS-PROC-2020-076. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7291.
EWK physics prospects for the HL-LHC / Khandoga, Mykola (IRFU, CEA, Université Paris-Saclay)
The Large Hadron Collider (LHC) has been successfully delivering proton-proton collision data at the unprecedented center of mass energy of 13 TeV. [...]
ATL-PHYS-PROC-2020-086. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7292.
Triggering in the ATLAS experiment / Montejo Berlingen, Javier (European Laboratory for Particle Physics, CERN)
The ATLAS experiment at the LHC can record about 1 kHz of physics collisions, out of an LHC design bunch crossing rate of 40 MHz. [...]
ATL-DAQ-PROC-2020-023. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7293.
The ATLAS Muon Spectrometer upgrade for High-Luminosity LHC / Proto, Giorgia (INFN Roma Tor Vergata and Universita' di Roma Tor Vergata, Dipartimento di Fisica)
The muon spectrometer of the ATLAS detector will undergo a major upgrade in order to cope with the operational conditions at the high-luminosity LHC. [...]
ATL-MUON-PROC-2020-014. - 2020. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7294.
Real-time flavour tagging selection in ATLAS / Varni, Carlo (INFN Genova and Universita' di Genova, Dipartimento di Fisica)
In high-energy physics experiments, online selection is crucial to select interesting collisions from the large data volume. [...]
ATL-DAQ-PROC-2020-022. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7295.
Tracking and flavour-tagging performance at ATLAS / Varni, Carlo (INFN Genova and Dipartimento di Fisica (DIFI), Università degli Studi di Genova)
The identification of jets originating from heavy-flavour quarks (b, c) is central to the LHC physics program. [...]
ATL-PHYS-PROC-2020-085. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text from publisher
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7296.
Searching for Dark Matter with the ATLAS detector / Ilic, Nikolina (Department of Physics, University of Toronto)
The presence of a non-baryonic dark matter component in the Universe is inferred from the observation of its gravitational interaction. [...]
ATL-PHYS-PROC-2020-084. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7297.
Measurement of the Higgs boson properties using the ATLAS detector / Arcangeletti, Chiara (INFN e Laboratori Nazionali di Frascati)
With the proton-proton collision dataset collected at $\sqrt{s}$=13 TeV with the ATLAS detector at LHC, an integrated luminosity of 139 fb$^{-1} $ has been achieved and detailed measurements of Higgs boson properties can be performed. [...]
ATL-PHYS-PROC-2020-083. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher.
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7298.
Search for new phenomena in mono-X final states using pp collision data collected in Run-2 by the ATLAS experiment at the LHC / González Fernández, Sergio (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain)
Cosmological and astrophysical observation point to the existence of an exotic type of matter known as Dark Matter (DM) that accounts for about 84\% of the mass of the Universe. [...]
ATL-PHYS-PROC-2020-082. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7299.
Operational experience and evolution of the ATLAS Tile Hadronic Calorimeter Read-Out Drivers / Valero, A. (Valencia U.)
TileCal is the central hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider (LHC). [...]
arXiv:2010.13516 ; ATL-TILECAL-PROC-2020-015. - 2021-05-28. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7300.
New results of the H+→tb search using full Run-2 data with the ATLAS detector / Salvador Salas, Adrian (Institut de Física d’Altes Energies, Barcelona Institute of Science and Technology)
A search for heavy charged Higgs bosons decaying to a pair of top and bottom quarks is presented. [...]
ATL-PHYS-PROC-2020-081. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7301.
An Application of Visual Analytics Methods to Cluster and Categorize Data Processing Jobs in High Energy and Nuclear Physics Experiments
Hundreds of petabytes of experimental data in high energy and nuclear physics (HENP) have been collected by unique scientific facilities, such as LHC, RHIC and KEK. [...]
ATL-SOFT-PUB-2020-005. - 2020. - 15 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7302.
Clustering Error Messages Produced by Distributed Computing Infrastructure During the Processing of High Energy Physics Data
Large-scale distributed computing infrastructures ensure the operation and maintenance of scientific experiments at the LHC: more than 160 computing centers all over the World execute tens of millions of computing jobs per day. [...]
ATL-SOFT-PUB-2020-004. - 2020. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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7303.
Heavy flavour production in ATLAS / Abbott, Braden Keim (University of Oklahoma (US))
The associated production of vector boson with quarkonia is a key observable for understanding the quarkonium production mechanisms, including the separation of single and double parton scattering components. [...]
ATL-PHYS-PROC-2020-080. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7304.
ATLAS hardware-based Endcap Muon Trigger for future upgrades / Mino, Yuya (Kyoto University, Department of Physics)
The LHC is expected to increase its center-of-mass energy from 13 TeV to 14 TeV for Run-3 scheduled from 2022 to 2024. [...]
ATL-DAQ-PROC-2020-021 ; arXiv:2010.13573. - 2021. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7305.
Interactive web pages for radiation environment exploration of ATLAS
A set of interactive web-pages to explore radiation backgrounds in the ATLAS experiment is presented, obtained with the Athena/GEANT4 simulation framework for a configuration corresponding to the Run 2 data taking period (2015-2018). [...]
ATL-SOFT-PUB-2020-003. - 2020. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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7306.
Redesign of the ATLAS Tile Calorimeter link Daughterboard for the HL-LHC. / Valdes Santurio, Eduardo (Stockholm University) ; Silverstein, Samuel (Stockholm University) ; Bohm, Christian (Stockholm University) ; Dunne, Katherine Elaine (Stockholm University) ; Lee, Suhyun (Stockholm University)
The Phase-2 ATLAS upgrade for the High Luminosity Large Hadron Collider (HL-LHC) has motivated progressive redesigns of the ATLAS Tile Calorimeter (TileCal) read-out link and control board (Daughterboard). [...]
arXiv:2010.14362 ; ATL-TILECAL-PROC-2020-014. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7307.
Search for dark matter in events with missing transverse momentum and a Higgs boson decaying to two photons in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for dark matter particles in events with large missing transverse momentum and a Higgs boson candidate decaying to two photons is reported. [...]
ATLAS-CONF-2020-054. - 2020. - 33 p.
Original Communication (restricted to ATLAS) - Full text
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7308.
Interpretations of the combined measurement of Higgs boson production and decay
First combined measurements of the Higgs boson production and decay using up to 139 fb$^{−1}$ of proton–proton collision data at √s = 13 TeV recorded by the ATLAS experiment have recently been performed. [...]
ATLAS-CONF-2020-053. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7309.
Combination of searches for invisible Higgs boson decays with the ATLAS experiment
Many extensions of the Standard Model predict the production of dark matter particles at the LHC. [...]
ATLAS-CONF-2020-052. - 2020. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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7310.
Fully Hadronic Diboson Searches in ATLAS / Schramm, Steven R. (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve)
Fully hadronic diboson searches are a promising means of searching for new physics due to the large number of theoretical models predicting the existence of new mediators which couple to pairs of bosons, and because of the large hadronic branching fractions of Standard Model W, Z, and Higgs bosons. [...]
ATL-PHYS-PROC-2020-088. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7311.
ATLAS, Play! – Teaching particle physics through educational games / Mehlhase, Sascha (Fakultät für Physik • Ludwig-Maximilians-Universität (LMU) München)
Educational games and activities have proven benefits for achieving learning objectives. [...]
ATL-OREACH-PROC-2020-008. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7312.
Providing the computing and data to the physicists: Overview of the ATLAS distributed computing system / Svatos, Michal (Institute of Physics (FZU) • The Academy of Sciences of the Czech Republic (ASCR))
The ATLAS experiment at CERN uses more than 150 sites in the WLCG to process and analyze data recorded by the LHC. [...]
ATL-SOFT-PROC-2020-036. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7313.
New Small Wheels for the ATLAS Muon Spectrometer / Perganti, Maria (National Technical University of Athens)
The ATLAS collaboration at Large Hadron Collider (LHC) has chosen the Large size multi-gap resistive strips Micromegas (MM) technology along with the small-strip Thin Gap Chambers (sTGC) for the High Luminosity (HL) upgrade of the first muon station in the high-rapidity region, the so called New Small Wheel (NSW) project. [...]
ATL-MUON-PROC-2020-015. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7314.
New Software-Based Readout Driver for the ATLAS Experiment / Kolos, Serguei (University of California, Irvine) ; Vazquez, William P. (Royal Holloway, U. of London) ; Crone, Gordon (University Coll. London)
In order to maintain sensitivity to new physics in the coming years of LHC operations, the ATLAS experiment has been working on upgrading a portion of the front-end electronics and replacing some parts of the detector with new devices that can operate under the much harsher background conditions of the future LHC. [...]
arXiv:2010.14884 ; ATL-DAQ-PROC-2020-024. - 2021-06-08. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Full text
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7315.
Recent ATLAS measurements of correlations in pp and p+Pb collisions / Trzupek, Adam (The Henryk Niewodniczański Institute of Nuclear Physics (IFJ) • Polish Academy of Sciences (PAN))
Recent measurements of features of the azimuthal distributions for charged particles in $pp$ and $p$+Pb collisions from the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2020-087. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7316.
Performance of the ATLAS Hadronic Tile Calorimeter Demonstrator system for the Phase-II upgrade facing the High-Luminosity LHC era. / Valdes Santurio, Eduardo (Stockholm University)
The High Luminosity Large Hadron Collider (HL-LHC) will have a peak luminosity of $5\times10^{34} $cm$^{-2} $\,s$^{-1}$, five times higher than the design luminosity of the LHC. [...]
arXiv:2010.14980 ; ATL-TILECAL-PROC-2020-016. - 2020. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7317.
Recommendations for the Modeling of Smooth Backgrounds
In data analyses that exploit a distribution of the data, backgrounds are often modeled using a continuous description of the distribution shape. [...]
ATL-PHYS-PUB-2020-028. - 2020. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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7318.
Measurement of the Higgs boson decaying to $b$-quarks produced in association with a top-quark pair in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
The associated production of a Higgs boson with a top-quark pair is measured in events characterised by the presence of one or two electrons or muons. [...]
ATLAS-CONF-2020-058. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7319.
Determination of the parton distribution functions of the proton from ATLAS measurements of differential $W^\pm$ and $Z$ boson production in association with jets
This article presents a new set of proton parton distribution functions, ATLASepWZVjet20, produced in an analysis at next-to-next-to-leading-order in QCD. [...]
ATLAS-CONF-2020-057. - 2020. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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7320.
Inclusive jet measurements with the ATLAS experiment at the LHC / Loch, Peter (Department of Physics, University of Arizona ; CERN)
The ATLAS experiment at the Large Hadron Collider (LHC) measures particle jet production not only in terms of cross sections but also to determine hadronic event shapes that represent the energy flow generated by hard parton emissions in the final state and to measure fundamental Standard Model parameters like the strong coupling constant $\alpha_{\rm S}$ in previously unexplored kinematic regimes. [...]
ATL-PHYS-PROC-2020-097. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7321.
Searches for invisible Higgs boson decays at the ATLAS experiment / Rosser, Benjamin John (Department of Physics and Astronomy, University of Pennsylvania)
In the Standard Model, the branching ratio for Higgs boson decays to invisible final states is very small, but it can be significantly enhanced in extensions of the Standard Model. [...]
ATL-PHYS-PROC-2020-096. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7322.
Search for rare and lepton-flavour-violating decays of the Higgs boson with the ATLAS detector / Borecka-Bielska, Hanna Maria (University of Liverpool)
Searches for the decays of the Standard Model Higgs boson to dielectrons and to dimuons represent an important test of the yet unobserved Higgs boson couplings to first- and second-generation fermions. [...]
ATL-PHYS-PROC-2020-095. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7323.
Large size multi-gap resistive Micromegas for the ATLAS New Small Wheel at CERN / Fassouliotis, Dimitris (National and Kapodistrian University of Athens)
Large size multi-gap resistive strips Micromegas have been chosen together with the small-strips TGC (sTGC) to be mounted on the New Small Wheel (NSW) upgrade of the ATLAS Muon Spectrometer. [...]
ATL-MUON-PROC-2020-018. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7324.
Search for doubly- and singly-charged Higgs bosons decaying into vector bosons in multi-leptons final states with the ATLAS detector using proton-proton collisions at $\sqrt{s} = 13$ TeV
A search for charged Higgs bosons decaying into $W^\pm W^\pm$ or $W^\pm Z$ bosons is performed, involving experimental signatures with two leptons of the same-charge, or three or four leptons with a variety of charge combinations, missing transverse momentum and jets. [...]
ATLAS-CONF-2020-056. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7325.
Radiation-Hard Silicon Strip Sensors for the ATLAS Phase-2 Upgrade / Latoňová, Věra (Institute of Physics (FZU) • The Academy of Sciences of the Czech Republic (ASCR) ; Faculty of Mathematics and Physics, Institute of Particle & Nuclear Physics • Charles University) ; ATLAS Collaboration
The ATLAS upgrade for HL-LHC operation includes the installation of an entirely new all-silicon Inner Tracker (ITk). [...]
ATL-ITK-PROC-2020-006. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7326.
Constraints on Higgs boson properties using $WW^{*}(\rightarrow e\nu\mu\nu)\;jj$ production in $36.1 \mathrm{fb}^{-1}$ of $\sqrt{s}=13 TeV$ pp collisions with the ATLAS detector
This note presents the results of two studies of Higgs boson properties using the $WW^*(\rightarrow e\nu\mu\nu)jj$ final state, based on a dataset corresponding to $36.1\,\mathrm{fb}^{-1}$ of $\sqrt{s}=13\,\mathrm{TeV}$ proton-proton collisions recorded by the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2020-055. - 2020. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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7327.
Performance of the ATLAS RPC detector and Level-1 Muon Barrel trigger at $\sqrt{s}$ = 13 TeV / Han, Kunlin (State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China ; Laboratoire de Physique des 2 Infinis Irène Joliot-Curie, Orsay)
Resistive Plate Chambers (RPCs) are gaseous ionisation detectors that are employed by the Level-1 muon trigger system in the barrel region of the ATLAS muon spectrometer. [...]
ATL-MUON-PROC-2020-017. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7328.
Design of the Compact Processing Module for the ATLAS Tile Calorimeter / Carrio Argos, Fernando (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
The LHC will undergo a major upgrade in 2025 towards the High Luminosity LHC (HL-LHC) to increase the current instantaneous luminosity by a factor of 5 to 7 times. [...]
arXiv:2011.02684 ; ATL-TILECAL-PROC-2020-018. - 2021-06-02. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7329.
Search for Electroweak Production of Charginos and Neutralinos in Multileptonic Final States with the ATLAS Experiment / Aparo, Marco (Sussex U.) ; Aparo, Marco (Sussex U.)
Supersymmetry, or SUSY, is one of the proposed extensions to the Standard Model, representing a solution to some of its limitations, such as the hierarchy problem. [...]
ATL-PHYS-PROC-2020-094. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7330.
Searches for flavour violation and flavour changing neutral currents in top quark final states / Koehler, Nicolas Maximilian (European Laboratory for Particle Physics, CERN)
The remarkably large integrated luminosity collected by the ATLAS detector at the highest proton-proton collision energy provided by LHC allows to probe the presence of new physics that might break well established symmetries or enhance extremely rare processes in the SM. [...]
ATL-PHYS-PROC-2020-093. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7331.
Development and evaluation of prototypes for the ATLAS ITk pixel detector / Hinterkeuser, Florian (Physikalisches Institut • Rheinische Friedrich-Wilhelms-Universität Bonn)
The ATLAS inner detector will be replaced by an all-silicon detector for the HL-LHC upgrade around 2025. [...]
ATL-ITK-PROC-2020-005. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7332.
Electroweak probes in heavy-ion collisions with ATLAS / Kremer, Jakub Andrzej (Institut fuer Physik, Johannes Gutenberg-Universität Mainz (JGU))
Electroweak bosons produced in lead-lead (Pb+Pb) collisions are an excellent tool to constrain initial-state effects which affect the rates of hard-scattering processes in nucleus-nucleus interactions. [...]
ATL-PHYS-PROC-2020-092. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7333.
Measurement of Higgs boson production at high transverse momentum in the $VH, H \rightarrow b \bar{b}$ channel with the ATLAS detector / Moser, Brian (National Institute for Subatomic Physics (NIKHEF), Amsterdam)
With the rapidly increasing proton-proton collision data set provided by the LHC, the ATLAS experiment gains access to Higgs bosons produced with ever higher transverse momenta $p_{\text{T}}^{H}$. [...]
ATL-PHYS-PROC-2020-091. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7334.
ATLAS Tile Calorimeter time calibration, monitoring and performance in Run 2 / Mlynarikova, Michaela (Department of Physics • Northern Illinois University (NIU))
The Tile Calorimeter is the central hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider at CERN. [...]
ATL-TILECAL-PROC-2020-017. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7335.
Recent ATLAS measurements of correlations in Pb+Pb and Xe+Xe collisions / Wozniak, Krzysztof Wieslaw (The Henryk Niewodniczański Institute of Nuclear Physics (IFJ) • Polish Academy of Sciences (PAN))
ATLAS measurements of flow harmonics, \vn, and their fluctuations in Pb+Pb and Xe+Xe collisions at the Large Hadron Collider (LHC), covering a wide range of transverse momenta, pseudorapidity and collision centrality, are presented. [...]
ATL-PHYS-PROC-2020-090. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7336.
Tau-lepton Fake-Rate determination for the ttH coupling measurement using the ATLAS detector at the LHC / Mondal, Santu (Czech Technical University in Prague ; Silesian University in Opava (CZ))
After the discovery of a Higgs boson, the measurements of its properties are at the forefront of research. [...]
ATL-PHYS-PROC-2020-089. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7337.
Geometrical precision alignment of the Micromegas detectors for the ATLAS New Small Wheel upgrade / Lohan, Manisha (IRFU, CEA, Université Paris-Saclay)
The upgrade of the Large Hadron Collider (LHC) to the High Luminosity LHC (HL-LHC) is required to probe the physics beyond Standard Model. [...]
ATL-MUON-PROC-2020-016. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7338.
Search for Type-III SeeSaw heavy leptons in dileptonic final states using 139 fb$^{-1}$ of $pp$ collision at $\sqrt{s}$ = 13 TeV with the ATLAS detector / Carratta, Giuseppe (Sezione di Bologna • Istituto Nazionale di Fisica Nucleare (INFN) ; Dipartimento di Fisica e Astronomia (DIFA) • Università di Bologna)
The discovery of neutrino oscillations implies they have non-null masses much smaller than charged leptons. [...]
ATL-PHYS-PROC-2020-107. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7339.
Upgrade of ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Moayedi, Seyedali (The University of Texas at Arlington)
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. [...]
ATL-TILECAL-PROC-2020-020. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7340.
Higgs Boson measurements in the H$\rightarrow$WW$\rightarrow\ell\nu\ell\nu$ decay channel / Aggarwal, Anamika (Radboud University Nijmegen and NIKHEF)
Due to its large branching ratio, Higgs boson decays into pairs of W bosons are among the most promising signature to measure CP and coupling properties of the Higgs boson, as well as its inclusive and differential cross-section. [...]
ATL-PHYS-PROC-2020-106. - SISSA, 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7341.
Production and test of Micromegas boards for the ATLAS New Small Wheel project / Longo, Luigi (European Laboratory for Particle Physics, CERN)
The muon system of the ATLAS Experiment will be upgraded in 2021 with Micromegas detectors covering an active area of about 1280 m$^{2}$, being the largest system based on Micro Pattern Gaseous Detector (MPGD) ever built so far. [...]
ATL-MUON-PROC-2020-020. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7342.
Search for the Higgs boson in the final state with two leptons and a photon produced in $pp$ collisions at $\sqrt{s}=13\ \text{TeV}$ with the ATLAS detector / Basalaev, Artem (Deutsches Elektronen-Synchrotron (DESY))
A search for the Higgs boson decaying into a $Z$ boson and a photon with two electrons or muons and a photon in the final state is presented. [...]
ATL-PHYS-PROC-2020-105. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7343.
Projected ATLAS Electron and Photon Trigger Performance in Run 3 / Monticelli, Fernando (Departamento de Fisica de la Facultad de Ciencias Exactas • Universidad Nacional de La Plata (UNLP))
ATLAS electron and photon triggers covering transverse energies from 5 GeV to several TeV are essential to record signals for a wide variety of physics: from Standard Model processes to searches for new phenomena. [...]
ATL-DAQ-PROC-2020-025. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7344.
Upgrade of the ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Clement, Christophe (Stockholm University) ; ATLAS Tile Collaboration
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2020-019. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7345.
Irradiation and gas studies of micromegas production chambers for the ATLAS New Small Wheel / Pezzotti, Lorenzo (INFN Pavia and Dipartimento di Fisica Nucleare e Teorica • Università di Pavia)
One of the main upgrades of the ATLAS Experiment during Long-Shutdown II is the replacement of the current forward muon spectrometer inner stations with a new detector, the New Small Wheel (NSW), covering the pseudorapidity region 1.3 < η < 2.7. [...]
ATL-MUON-PROC-2020-019. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7346.
Search for leptoquarks using the ATLAS detector / Okumura, Yasuyuki (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
Searches for pair production of scalar leptoquarks performed by the ATLAS experiment are presented. [...]
ATL-PHYS-PROC-2020-104. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7347.
ATLAS studies of spectroscopy and exotics / Turchikhin, Semen (Joint Institute for Nuclear Research)
This proceedings contribution is devoted to studies of heavy flavour hadrons spectroscopy and exotic hadron states in the ATLAS experiment at the LHC. [...]
ATL-PHYS-PROC-2020-103. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7348.
Search for scalar leptoquark pair production decaying into top-quarks and leptons at $\sqrt{\textrm{s}}$ = 13 TeV with ATLAS detector / Wong, Vincent Wai Sum (University of British Columbia)
This contribution presents a search for pair-produced scalar leptoquarks decaying to leptons and hadronically decaying top quarks at the LHC using 139 fb$^{-1}$ of proton--proton collision data recorded by the ATLAS detector at $\sqrt{s}$ = 13 TeV. [...]
ATL-PHYS-PROC-2020-102. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7349.
Efficiency calibrations for ATLAS $b$-jet identification algorithms / Burger, Angela Maria (Oklahoma State U.)
Many analyses in ATLAS rely on the identification of jets containing $b$-hadrons ($b$-jets) at high efficiency while rejecting more than 99\% of non-$b$-jets. [...]
ATL-PHYS-PROC-2020-101. - SISSA, 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext from publisher
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7350.
Measurement of the weak mixing phase $\phi_s$ through time-dependent $CP$ violation in $B_s^0 \to J/\psi\phi$ decay in ATLAS / Jakoubek, Tomas (Faculty of Physics • Weizmann Institute of Science)
An updated measurement of time-dependent $CP$ asymmetry parameters in $B_s^0 \to J/\psi(\mu^+\mu^-)\phi(K^+K^-)$ decays using 80.5 fb$^{-1}$ of integrated luminosity collected with the ATLAS detector from 13~TeV $pp$ collisions at the LHC is presented. [...]
ATL-PHYS-PROC-2020-100. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7351.
Observations of weak boson scattering with the ATLAS detector / Nobe, Takuya (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
Vector-boson scattering (VBS) is one of the most important physics processes at the Large Hadron Collider for studying the mechanism of electroweak symmetry breaking. [...]
ATL-PHYS-PROC-2020-099. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7352.
Searches for heavy particles with leptons at ATLAS / Scutti, Federico (ARC Centre of Excellence in Particle Physics at the Terascale, School of Physics, The University of Melbourne)
Many theories beyond the Standard Model predict new phenomena, such as Z′, W′ bosons or heavy neutrinos, in final states with isolated high-pT leptons e/μ/ν. [...]
ATL-PHYS-PROC-2020-098. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7353.
Searches for additional Higgs bosons in the ATLAS detector / Lorenz, Jeanette Miriam (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
Since the discovery of the Higgs boson with the mass of about 125 GeV, much effort has been spent looking for further scalars, which are motivated in many scenarios. [...]
ATL-PHYS-PROC-2020-109. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7354.
Performance of the ATLAS Tile Calorimeter / Harkusha, Siarhei (B.I. Stepanov Institute of Physics • National Academy of Sciences of Belarus (NASB))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. [...]
ATL-TILECAL-PROC-2020-021. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7355.
Impact of ATLAS $V$ + jets data on PDF fits / Giuli, Francesco (INFN Roma Tor Vergata and Universita' di Roma Tor Vergata, Dipartimento di Fisica)
Proceeding of the ATLAS talk given at the QCD20 conference, held in Montpellier (France), from the 27/10/2020 to the 31/10/2020
arXiv:2011.08481 ; ATL-PHYS-PROC-2020-108. - 2021-07. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7356.
Collection of web tools for ATLAS Tile Calorimeter data quality tasks / Smiesko, Juraj (Faculty of Mathematics and Physics, Institute of Particle & Nuclear Physics • Charles University ; Institute of Experimental Physics (IEF) • Slovak Academy of Sciences (SAS))
The ATLAS Tile Calorimeter (TileCal), as a substantial part of the hadronic calorimeter system of the ATLAS detector, records energy deposits and jointly with other calorimeters reconstructs hadrons, jets, tau-particles and missing transverse energy. [...]
ATL-TILECAL-PROC-2020-022. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7357.
Integration and commissioning of ATLAS New Small Wheel Micromegas detectors with electronics at CERN / Vafeiadis, Theodoros (European Laboratory for Particle Physics, CERN)
The LHC at CERN plans to have a series of upgrades to increase its instantaneous luminosity to 7.5×10^34 cm−2s−1. [...]
ATL-MUON-PROC-2020-021. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7358.
Fast simulation of the ATLAS calorimeter system with Generative Adversarial Networks
The extensive physics program of the ATLAS experiment at the Large Hadron Collider needs large scale and high fidelity simulated samples which forwards the research and development of better fast simulation techniques. [...]
ATL-SOFT-PUB-2020-006. - 2020. - 364 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7359.
Latest Studies of the SM Higgs Boson Couplings to Fermions at ATLAS / Liu, Yanlin (University of Michigan, Department of Physics)
This proceeding presents the latest studies on the Yukawa couplings of the Standard Model Higgs boson with 139 fb$^{-1}$ data collected using the ATLAS detector at a center-of-mass energy of 13 TeV. [...]
arXiv:2103.12780 ; ATL-PHYS-PROC-2020-112 . - 2021-07. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7360.
Operational Experience and Performance with the ATLAS Inner Detector at the Large Hadron Collider at CERN / Takubo, Yosuke (KEK, High Energy Accelerator Research Organization)
The Inner Detector in the ATLAS experiment consisting of Pixel, SCT and TRT has been operated successfully with high performance in LHC Run 1 (2010 - 2012) and Run 2 (2015 - 2018). [...]
ATL-INDET-PROC-2020-003. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7361.
Top-quark-antiquark production in association with a photon in the electron-muon channel at a center-of-mass energy of 13 TeV with the ATLAS detector / Meshreki, John Kamal Rizk (Department Physik, Universitaet Siegen)
The cross-section of top-quark-antiquark pair production in association with a photon is important in order to determine the electromagnetic coupling of the top-quark with high precision. [...]
ATL-PHYS-PROC-2020-111. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7362.
Jet Production in Heavy Ion Collisions with the ATLAS Experiment / Santos, Helena (Laboratorio de Instrumentacao e Fisica Experimental de Particulas (LIP) - Lisbon)
Jets are an important tool to study the hot, dense matter produced in Pb+Pb collisions at the LHC. [...]
ATL-PHYS-PROC-2020-110. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7363.
Getting the public closer to the experimental facilities: How Virtual Reality helps High Energy Physics experiments engage public interest / Pereira Peixoto, Ana Paula (Departmento de Fisica • Laboratorio de Instrumentacao e Fisica Experimental de Particulas (LIP), Braga) ; Bianchi, Riccardo Maria (University of Pittsburgh) ; Vukotic, Ilija (University of Chicago, Enrico Fermi Institute) ; Potter, Connie (European Laboratory for Particle Physics, CERN) ; Adam Bourdarios, Claire (LAPP, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS/IN2P3, Annecy)
For many High Energy Physics experiments the experimental area is difficult to access for visitors. [...]
ATL-OREACH-PROC-2020-009. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7364.
Measurement of the Higgs boson coupling to τ-leptons in proton-proton collisions at sqrt(s) = 13 TeV with the ATLAS detector at the LHC / Sauerburger, Frank (Albert-Ludwigs-Universitaet Freiburg)
The coupling of the Higgs boson to τ-leptons is one of the most precise measured coupling of the Higgs boson to fermions. [...]
ATL-PHYS-PROC-2020-116. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7365.
Search for invisibly decaying vector boson fusion produced Higgs bosons with 139 fb$^{-1}$ of $pp$ collisions with the ATLAS detector / Steinhebel, Amanda Lynn (University of Oregon)
While the Standard Model (SM) predicts a branching ratio of the Higgs boson decaying to invisible particles of O(0.001), the current measurement of the Higgs boson coupling to other SM particles allows for up to 30% of the Higgs boson width to originate from decays beyond the SM (BSM). [...]
ATL-PHYS-PROC-2020-115. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7366.
The ATLAS New Small Wheel Simulation and Reconstruction Software and Detector Performance Studies / Kitsaki, Chara (National Technical University of Athens)
In view of the Large Hadron Collider (LHC) luminosity upgrades, the New Small Wheels (NSW) will replace the present Small Wheel stations of the ATLAS end-cap Muon Spectrometer. [...]
ATL-MUON-PROC-2020-022. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7367.
Constraints on the Higgs boson self-coupling from the combination of single-Higgs and double-Higgs production analyses performed with the ATLAS experiment / Ran, Kunlin (Institute of High Energy Physics, Chinese Academy of Sciences ; DESY)
Constraints on the Higgs boson self-coupling are set by combining the single Higgs boson analyses targeting the $\gamma\gamma$, $ZZ^{*}$, $WW^{*}$, $\tau^{+}\tau^{-}$ and $b\bar{b}$ decay channels and the double Higgs boson analyses in the $b\bar{b}b\bar{b}$, $b\bar{b}\tau^{+}\tau^{-}$ and $b\bar{b}\gamma\gamma$ decay channels, using data collected at $\sqrt{s}=13$ TeV with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2020-114. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7368.
Combined Higgs boson measurements at the ATLAS experiment / Klein, Matthew Henry (University of Michigan, Department of Physics)
The most precise measurements of Higgs boson cross sections, using the framework of simplified template cross sections, are obtained from a combination of the measurements performed in the different Higgs boson decay channels. [...]
ATL-PHYS-PROC-2020-113. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7369.
A new revision of the ATLAS Tile Calorimeter link Daughterboard for the HL-LHC. / Valdes Santurio, Eduardo (Stockholm University) ; Bohm, Christian (Stockholm University) ; Silverstein, Samuel (Stockholm University) ; Dunne, Katherine Elaine (Stockholm University) ; Lee, Suhyun (Stockholm University)
The upgrade of ATLAS for the High Luminosity Large Hadron Collider (HL-LHC) has propelled gradual redesigns of the ATLAS Tile Calorimeter (TileCal) read-out link and control board (Daughterboard). [...]
ATL-TILECAL-PROC-2020-023. - 2020. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7370.
A High-Granularity Timing Detector for the ATLAS Phase-II upgrade / Rizzi, Chiara (Departement de Physique Nucleaire et Corpusculaire, Universite de Geneve ; CERN)
The High-Luminosity (HL) phase of the Large Hadron Collider (LHC) at CERN will offer a great opportunity to consolidate and expand the LHC physics program, but it will also present several experimental challenges. [...]
ATL-LARG-PROC-2020-010. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7371.
The ATLAS Tracker Detector for HL-LHC / Gemme, Claudia (INFN Genova and Universita' di Genova, Dipartimento di Fisica)
The High Luminosity upgrade of the LHC (HL-LHC) will provide new challenges to the ATLAS tracker. [...]
ATL-ITK-PROC-2020-008. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7372.
Top / EW / SM Report / Malaescu, Bogdan (Laboratoire de Physique Nucleaire et de Hautes Energies (LPNHE), Sorbonne Universite, Universite de Paris, CNRS/IN2P3)
A series of recent results obtained by the ATLAS and CMS experiments, on the Top and Electroweak (EW) sectors of the Standard Model (SM), are presented. [...]
ATL-PHYS-PROC-2020-122. - 2021. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7373.
Measurements of W/Z boson production in association with jets at ATLAS / Vittori, Camilla (Sezione di Bologna • Istituto Nazionale di Fisica Nucleare (INFN) ; Dipartimento di Fisica • Università di Bologna)
Measurements of W/Z-boson production in association with jets provide important test of perturbative QCD prediction and also yield information about the parton distribution functions of the proton. [...]
ATL-PHYS-PROC-2020-121. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7374.
Measurement of production mode cross sections of the Higgs boson in decays to bosons with the ATLAS detector / Mijović, Liza (School of Physics & Astronomy • The University of Edinburgh)
The ATLAS experiment at the Large Hadron Collider has collected 139 ifb of proton-proton collision data at centre-of-mass energy of 13 TeV. [...]
ATL-PHYS-PROC-2020-120. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7375.
Measurements of inclusive four-lepton production at ATLAS / Liu, Xiaotian (University of Science and Technology of China)
Measurements of differential and integrated fiducial cross-sections in events with two same-flavor, opposite-sign electron or muon pairs are presented with the data corresponding to 139 fb$^{-1}$ of $\sqrt{s} = 13$ TeV proton-proton collisions collected by the ATLAS dectector during Run 2 of the Large Hadron Collider (2015-2018). [...]
ATL-PHYS-PROC-2020-119. - 2021. - 3 p.
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7376.
Luminosity measurement with the ATLAS experiment at the LHC / Carter, Joseph William (Department of Physics, University of Toronto)
Many physics measurements made by the ATLAS experiment at the LHC require a precise measurement of the integrated luminosity of the data sample. [...]
ATL-DAPR-PROC-2020-004. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7377.
Global Trigger Technological Demonstrator for ATLAS Phase-II upgrade / Filimonov, Viacheslav (Institut fuer Physik, Universitaet Mainz) ; Bauss, Bruno (Institut fuer Physik, Universitaet Mainz) ; Buescher, Volker (Institut fuer Physik, Universitaet Mainz) ; Schaefer, Uli (Institut fuer Physik, Universitaet Mainz) ; Ta, Duc Bao (Institut fuer Physik, Universitaet Mainz)
ATLAS detector at the LHC will undergo a major Phase-II upgrade for the High Luminosity LHC. [...]
ATL-DAQ-PROC-2020-028. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7378.
Luminosity Monitoring using $Z\rightarrow \ell \ell$ events at $\sqrt{s} = 13$~TeV with the ATLAS detector / O'Keefe, Michael William (University of Liverpool) ; Klein, Uta (University of Liverpool)
During Run 2, the LHC delivered instantaneous luminosities of approximately $10^{34} cm^{-2} s{-1}$ at $\sqrt{s}=13$ TeV in $pp$ collisions. [...]
ATL-DAPR-PROC-2020-003. - 2020. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7379.
An extension of Associative Memory approach to tracking with a drift-tube detector using timing information and its demonstration for HL-LHC ATLAS muon trigger / He, Yunjian (Tokyo Institute of Technology) ; Okumura, Yasuyuki (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo) ; Kodama, Takafumi (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo) ; Kuze, Masahiro (Tokyo Institute of Technology) ; Yamaguchi, Yohei (Tokyo Institute of Technology) ; Ishino, Masaya (International Center for Elementary Particle Physics and Department of Physics, The University of Tokyo)
High-speed online pattern recognition has been a fundamental challenge for triggering in High Energy Physics (HEP) experiments. [...]
ATL-DAQ-PROC-2020-027. - 2020. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7380.
Measuring luminosity with track counting in the ATLAS experiment / Moder, Paul (Deutsches Elektronen-Synchrotron (DESY))
The precise measurement of the luminosity is one of the key requirements for every ATLAS analysis at the Large Hadron Collider (LHC) at CERN. [...]
ATL-DAPR-PROC-2020-002. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7381.
ATLAS ITk pixel detector overview / Terzo, Stefano (Institut de Fisica d'Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain)
For the HL-LHC upgrade the current ATLAS Inner Detector is replaced by an all-silicon system. [...]
ATL-ITK-PROC-2020-007. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7382.
Searching for lepton-flavour-violating decays of the Higgs boson with the ATLAS detector / Iturbe Ponce, Julia Mariana (Chinese University of Hong Kong)
A search for lepton-flavour-violating decays of the Higgs boson into a tau lepton and either an electron or a muon is presented. [...]
ATL-PHYS-PROC-2020-118. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7383.
Measurements of photon-photon fusion at ATLAS / Dyndal, Mateusz (European Laboratory for Particle Physics, CERN)
Photon-photon fusion is a rare process at hadron and ion colliders. [...]
ATL-PHYS-PROC-2020-117. - 2021. - 6 p.
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7384.
FELIX and SW ROD Commissioning of the New ATLAS Readout System / Gottardo, Carlo Alberto (Radboud University Nijmegen and NIKHEF)
After a successful period of data-taking concluded in 2018, the ATLAS experiment is being upgraded with the goal of consolidating and improving its good physics performance. [...]
ATL-DAQ-PROC-2020-026. - 2020.
Original Communication (restricted to ATLAS) - Full text
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7385.
Top working group cross-section summary plots: Autumn 2020
This note presents updated figures that summarise top cross-section results from the ATLAS top working group and the LHCtopWG..
ATL-PHYS-PUB-2020-029. - 2020. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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7386.
Cosmic results with the final Micromegas sectors for the ATLAS Muon upgrade / Rabanal Bolaños, Gabriel (Laboratory for Particle Physics and Cosmology (LPPC) • Harvard University)
The detector technology for the innermost end-cap muon stations (Small Wheels) of the ATLAS detector needs to be upgraded to cope with the upgraded beam luminosity in the High Luminosity Large Hadron Collider (HL-LHC). [...]
ATL-MUON-PROC-2020-023. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7387.
Search for new resonances in high-mass diphoton final states using proton-proton collision data collected with the ATLAS detector / Wang, Yufeng (University of Science and Technology of China ; Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE))
A search for new resonances decaying to two photons is performed, using 139 $fb^{-1}$ collision data at $\sqrt{s}$=3TeV collected by the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2020-124. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7388.
Design of Bus Tapes for the ATLAS Strip End-Cap at the HL-LHC / Carrio Argos, Fernando (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC) ; Bernabeu Verdu, Jose (Univ. of Valencia and CSIC (ES)) ; Cindro, Vladimir (Jozef Stefan Institute) ; Gorisek, Andrej (Jozef Stefan Institute (SI))
The ATLAS Phase-II Upgrade will replace the Inner detector with a new all-silicon Inner Tracker (ITk) to accommodate the radiation damage and track density expected at the High-Luminosity LHC (HL-LHC). [...]
ATL-ITK-PROC-2020-009. - 2020. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7389.
Measurement of differential cross sections and the Higgs mass in Higgs boson decays to bosons using the ATLAS detector / Laudrain, Antoine (Institut fuer Physik, Universitaet Mainz)
Despite small branching fractions, the $H \to \gamma\gamma$ and $H \to ZZ^* \to 4\ell$ Higgs boson decays provide clean and well reconstructed final states, allowing for precise measurements of the Higgs boson properties. [...]
ATL-PHYS-PROC-2020-123. - SISSA, 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7390.
Measurements and searches of Higgs boson decays to two quarks with the ATLAS experiment at the LHC / Battaglia, Marco (Santa Cruz Institute for Particle Physics, University of California Santa Cruz) ; Sciandra, Andrea (Santa Cruz Institute for Particle Physics, University of California Santa Cruz)
The study of the properties of the Higgs boson is central to the LHC physics program for testing the Standard Model and searching for New Physics signals. [...]
ATL-ITK-PROC-2021-001. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7391.
Measurement of flow and transverse momentum correlations in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV and Xe+Xe collisions at $\sqrt{s_{\mathrm{NN}}}=5.44$ TeV with the ATLAS detector
The measurement of the correlation between flow harmonics $v_n$ and average transverse momentum $p_\mathrm{T}$ for $n=2$, 3 and 4 with the ATLAS detector at the LHC is presented, based on 3~$\mu\textrm{b}^{-1}$ Xe+Xe collisions at $\sqrt{s_{\mathrm{NN}}}=5.44$ TeV and 22~$\mu\textrm{b}^{-1}$ Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV. [...]
ATLAS-CONF-2021-001. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7392.
Reconstruction techniques in supersymmetry searches with soft objects in the ATLAS experiment / Chen, Shion (Department of Physics and Astronomy, University of Pennsylvania)
The compressed mass spectra in supersymmetry (SUSY) is a well-motivated regime, and reconstructing the soft decay products from the sparticle decays is essential for the searches. [...]
ATL-PHYS-PROC-2021-001. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7393.
Test of the Tau and Muon Lepton Universality in $W$ Boson Decays from $t\bar{t}$ in ATLAS / Sanderswood, Izaac (Lancaster U.)
The Standard Model of particle physics is our current best understanding of physics at the smallest scales. [...]
ATL-PHYS-PROC-2021-002. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7394.
Searches for new phenomena in final states involving leptons and jets using the ATLAS detector / Wong, Vincent Wai Sum (University of British Columbia)
Many beyond the Standard Model signatures predict new physics phenomena that lead to final states containing both leptons and jets. [...]
ATL-PHYS-PROC-2021-003. - 2022. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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7395.
Performance of the ATLAS Forward Proton Time-of-Flight Detector in 2017
The performance of the ATLAS Forward Proton Time-of-Flight (ToF) detector is studied using the ATLAS LHC data collected in the $2017$ running period of LHC Run2. [...]
ATL-FWD-PUB-2021-002. - 2021. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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7396.
Measurement of the inclusive and differential cross section of a top quark pair in association with a $Z$ boson at $13\,\text{TeV}$ with the ATLAS detector / Fischer, Florian Christoph (Fakultaet fuer Physik, Ludwig-Maximilians-Universitaet Muenchen)
The inclusive as well as differential cross section of the associated production of top-antitop quark pairs and a $Z$ boson ($t\bar{t}Z$) is measured in final states with exactly three or four isolated leptons (electrons or muons). [...]
ATL-PHYS-PROC-2021-004. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7397.
Measurement of Tracking Resolution in a sMDT Chamber
The expected High Luminosity Large Hadron Collider (HL-LHC) operations require the experiments at the LHC to upgrade the detectors with new technologies to cope with much increased event rates due to higher pileup. [...]
ATL-MUON-PUB-2021-001. - 2021. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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7398.
Evidence for Higgs boson decays to a low-mass dilepton system and a photon in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for the Higgs boson decaying into a photon and a pair of electrons or muons with an invariant mass $m_{\ell\ell} < 30$ GeV is presented. [...]
ATLAS-CONF-2021-002. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7399.
Modelling of isolated multi-photon production in Monte Carlo generators in ATLAS
Predictions for three- and four-photon processes are compared for a number of Monte Carlo generators and fixed-order calculations in $pp$ collisions at $\sqrt{s}=8$ and $\sqrt{s}=13$~TeV using the ATLAS simulation infrastructure. [...]
ATL-PHYS-PUB-2021-001. - 2021. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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7400.
Preparing distributed computing operations for HL-LHC era with Operational Intelligence / ATLAS Collaboration
The Operational Intelligence (OpInt) project is a joint effort from various WLCG communities aimed at increasing the level of automation in computing operations and reducing human interventions. [...]
ATL-SOFT-PROC-2021-001. - 2021. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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7401.
Rare $B-$Decays: An Update from the ATLAS Experiment / Perrevoort, Ann-Kathrin (Nikhef, Amsterdam)
Rare flavour-changing neutral current processes are sensitive probes for physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2021-010. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Fulltext - Fulltext
  Detailed record Copy itemCopy item
7402.
Searches for new phenomena in final states with $3^{\mathrm{rd}}$ generation quarks using the ATLAS detector / Khoda, Elham E (University of British Columbia)
Many theories beyond the Standard Model predict new phenomena, such as $Z'$ and vector-like quarks, in final states containing bottom- or top-quarks. [...]
ATL-PHYS-PROC-2021-009. - 2022. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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7403.
ATLAS: HL-LHC Upgrades and B-Physics Measurements / Barton, Adam (Lancaster U.)
The excellent performance of the Large Hadron Collider (LHC) at CERN has successfully pushed the boundaries of particle physics for over two decades. [...]
ATL-PHYS-PROC-2021-008. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7404.
$t\bar{t}W$ Production: a very complex process / Miralles Lopez, Marcos (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
These studies describe the impact of higher order effects in both QCD and EW $t\bar{t}W$ production. [...]
arXiv:2102.13599 ; ATL-PHYS-PROC-2021-007. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7405.
Search for rare decays of the observed Higgs boson and additional Higgs bosons with the ATLAS detector / Kawaguchi, Tomomi (Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University)
The searches for rare decays of the Standard Model (SM) Higgs boson and additional Higgs boson are searched for with the large amount of data recorded by the ATLAS experiment during the LHC pp collision run at 13 TeV corresponding to an integrated luminosity of 139 fb−1. [...]
ATL-PHYS-PROC-2021-006. - 2021. - 13 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
7406.
Luminosity Determination using $Z\rightarrow \ell \ell$ events at $\sqrt{s} = 13$ TeV with the ATLAS detector
During Run 2, the maximum instantaneous luminosity delivered by the Large Hadron Collider to the ATLAS and CMS experiments reached $19 \times10^{33}$ cm$^{-2}$ s$^{-1}$ in $pp$ collisions at $\sqrt{s}=$13~TeV. [...]
ATL-DAPR-PUB-2021-001. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7407.
Thermal characterisation of thermo-active support structures and its application in the ATLAS pixel outer endcap local supports
Thermo-active support structures can be used to cool or warm devices that need to be operated at a given temperature. [...]
ATL-ITK-PUB-2021-001. - 2021. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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7408.
An intelligent Data Delivery Service for and beyond the ATLAS experiment / Guan, Wen (Department of Physics, University of Wisconsin) ; Maeno, Tadashi (Brookhaven National Laboratory (BNL)) ; Bockelman, Brian Paul (University of Wisconsin Madison (US)) ; Wenaus, Torre (Brookhaven National Laboratory (BNL)) ; Lin, Fahui (Academia Sinica, Taipei) ; Padolski, Siarhei (Brookhaven National Laboratory (BNL)) ; Zhang, Rui (Department of Physics, University of Wisconsin) ; Alekseev, Aleksandr (Universidad Andres Bello)
The intelligent Data Delivery Service (iDDS) has been developed to cope with the huge increase of computing and storage resource usage in the coming LHC data taking. [...]
ATL-SOFT-PROC-2021-002. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7409.
Search for heavy resonances decaying into a pair of $Z$ bosons using 139 $\mathrm{fb}^{-1}$ of p-p collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / Lagouri, Theodota (Instituto de Alta Investigación, Universidad de Tarapacá)
This paper presents the search for heavy resonances decaying into a pair of Z bosons leading to the $\ell^+\ell^-\ell'^+\ell'^-$ and  $\ell^+\ell^-\nu\bar\nu$ final states, where $\ell$ stands for either an electron or a muon. [...]
ATL-PHYS-PROC-2021-005. - 2022. - 31 p.
Original Communication (restricted to ATLAS) - Full text
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7410.
Measurement of the $b$-jet identification efficiency for high transverse momentum jets in $t\bar{t}$ events in the lepton + jets channel with the ATLAS detector using Run 2 data
The identification of jets containing $b$-hadrons is a crucial ingredient for many analyses of the ATLAS experiment physics programme. [...]
ATL-PHYS-PUB-2021-004. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7411.
Measurements of asymmetries in top-quark production and tests of lepton universality in ATLAS / Bruscino, Nello (Sapienza Universita e INFN, Roma I (IT))
The top quark is the heaviest known fundamental particle. [...]
ATL-PHYS-PROC-2021-011. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7412.
Simulation-based extrapolation of b-tagging calibrations towards high transverse momenta in the ATLAS experiment
The identification of jets containing $b$-hadrons is an important tool for many of the analyses that comprise the physics programme of the ATLAS Collaboration. [...]
ATL-PHYS-PUB-2021-003. - 2021. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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7413.
Physics Object Localization with Point Cloud Segmentation Networks
In modern particle physics experiments, the identification and trajectory of physics object, e.g. [...]
ATL-PHYS-PUB-2021-002. - 2021. - 16 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
7414.
Performance of the muon spectrometer alignment in 2017 and 2018 data
An updated alignment has been released for the reprocessing of 2017 and 2018 data. [...]
ATL-MUON-PUB-2021-002. - 2021. - 9 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
7415.
Measurement of the $t\bar{t}$ production cross-section using dilepton events in $pp$ collisions at $\sqrt{s}=5.02$ TeV with the ATLAS detector
The inclusive top quark pair ($t\bar{t}$) production cross-section $\sigma_{t \bar{t}}$ has been measured in proton-proton collisions at $\sqrt{s}=5.02$ TeV, using 257 pb$^{-1}$ of data collected in 2017 by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2021-003. - 2021. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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7416.
Measurements of top quark pair and single top total cross sections, and in-situ systematic constraints / Bessidskaia Bylund, Olga (Bergische Universitaet Wuppertal)
Measuring the total cross sections of top quark pair production and single top processes at high precision tests the predictions of the Standard Model and can bring better understanding of properties such as the top quark mass, electroweak couplings, lepton universality and proton p.d.fs. [...]
ATL-PHYS-PROC-2021-012. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7417.
Standard Model Summary Plots March 2021
This note presents cross section summary plots for ATLAS cross section measurements as of Spring 2021, targeting Moriond 2021..
ATL-PHYS-PUB-2021-005. - 2021. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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7418.
Searches for electroweak production of two jets in association with a Higgs boson decaying fully or partially to invisible particles, including a final state photon using proton-proton collisions at 13 TeV with the ATLAS detector
This note presents searches for the invisible or partially invisible decay of a Higgs boson with a mass of 125 GeV produced in $pp$ collisions through vector boson fusion with a photon in the final state. [...]
ATLAS-CONF-2021-004. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7419.
Search for new phenomena in final states with two leptons and one or no $b$-tagged jets at $\sqrt{s} = 13$ TeV using the ATLAS detector
A search for new phenomena is presented in final states with leptons and $b$-tagged jets selections. [...]
ATLAS-CONF-2021-012. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7420.
Search for new phenomena in three- or four-lepton events in $pp$ collisions at $\sqrt{s} = $ 13 TeV with the ATLAS detector
A search with minimal model dependence for physics beyond the Standard Model in events featuring three or four leptons ($3\ell$ and $4\ell$, $\ell = e,\mu$) is presented. [...]
ATLAS-CONF-2021-011. - 2021. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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7421.
Study of Higgs-boson production with large transverse momentum using the $H\rightarrow b\bar{b}$ decay with the ATLAS detector
This note reports studies of Higgs boson production with sizeable transverse momentum decaying to a $b\bar{b}$ quark pair. [...]
ATLAS-CONF-2021-010. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7422.
Search for Higgs boson decays into two spin-0 particles in the $bb\mu\mu$ final state with the ATLAS detector in $pp$ collisions at $\sqrt{s}=13$ TeV
This note presents a search for decays of the Higgs boson with a mass of 125 GeV to a pair of new spin-0 particles, $H\rightarrow aa$, where one $a$-boson decays to a $b$-quark pair and the other to a muon pair. [...]
ATLAS-CONF-2021-009. - 2021. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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7423.
Search for new phenomena in $p\!p$ collisions in final states with tau leptons, $b$-jets, and missing transverse momentum with the ATLAS detector
A search for new phenomena in final states with hadronically decaying tau leptons, $b$-jets, and missing transverse momentum is presented. [...]
ATLAS-CONF-2021-008. - 2021. - 31 p.
Original Communication (restricted to ATLAS) - Full text
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7424.
Search for R-parity violating supersymmetry in a final state containing leptons and many jets with the ATLAS experiment using $\sqrt{s} = 13$ TeV proton-proton collision data
A search for R-parity violating supersymmetry in final states characterised by high jet multiplicity, at least one isolated light lepton and either zero or at least three $b$-tagged jets is presented. [...]
ATLAS-CONF-2021-007. - 2021. - 46 p.
Original Communication (restricted to ATLAS) - Full text
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7425.
Search for Dark Matter produced in association with a Standard Model Higgs boson decaying to $b$-quarks using the full Run 2 collision data with the ATLAS detector
The production of Dark Matter in association with Higgs bosons is predicted in several extensions of the Standard Model. [...]
ATLAS-CONF-2021-006. - 2021. - 31 p.
Original Communication (restricted to ATLAS) - Full text
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7426.
Search for exotic decays of the Higgs boson to long-lived particles in $pp$ collisions at $\sqrt{s} = 13$ TeV using displaced vertices in the ATLAS inner detector
A novel search for exotic decays of the Higgs boson to pairs of long-lived neutral particles, each decaying to a bottom quark pair, is performed using 139 fb$^{-1}$ of $\sqrt{s} = 13$ TeV proton-proton collision data collected with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2021-005. - 2021. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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7427.
Measurement of the Higgs Simplified Template Cross Sections using diphoton decays with the ATLAS experiment / Franco, Luca (Centre National de la Recherche Scientifique (FR))
The measurement of Higgs Simplified Template Cross Sections (STXS) in the diphoton decay channel by the ATLAS experiment at the LHC is presented. [...]
ATL-PHYS-PROC-2021-014. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7428.
Exclusive dilepton production in ultraperipheral lead-lead collisions in the ATLAS experiment / Ogrodnik, Agnieszka Ewa (AGH University of Science and Technology (PL))
Exclusive dilepton pairs are produced via electromagnetic interactions in ultrapripheral heavy-ion collisions (UPC). [...]
ATL-PHYS-PROC-2021-013. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7429.
Combined effective field theory interpretation of $H \rightarrow WW^*$ and $WW$ measurements using ATLAS data
Effective field theory parameters are constrained in a combination of a measurement of $H\rightarrow WW^*$ in gluon-fusion and vector-fusion production modes with differential results on $WW$ diboson production in the 0-jet channel. [...]
ATL-PHYS-PUB-2021-010. - 2021. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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7430.
Summary Plots for Heavy Particle Searches and Long-lived Particle Searches
The results of searches for heavy particles from the Exotics and HDBS physics groups and long-lived particles from the Exotics and SUSY physics groups are summarized in plots for a representative set of models. [...]
ATL-PHYS-PUB-2021-009. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7431.
Summary of Exotic Higgs Boson Decays from the ATLAS Experiment
This note presents the most recent summary plots detailing the results of the exotic Higgs boson decay searches from the ATLAS Higgs and Diboson Searches (HDBS) Working Group. [...]
ATL-PHYS-PUB-2021-008. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7432.
SUSY March 2021 Summary Plot Update
These are summary plots, updated for the SUSY group in March 2021..
ATL-PHYS-PUB-2021-007. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7433.
Dark matter summary plots for $s$-channel mediators
This is an update of summary plots from the Exotics and SUSY working groups, via the CDM sub-group, for dark matter simplified models with $s$-channel Spin-1 and Spin-0 mediators. [...]
ATL-PHYS-PUB-2021-006. - 2021.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
7434.
Search for lepton-flavor-violation in $Z$-boson decays with $\tau$-leptons with the ATLAS detector
A search for lepton-flavor-violating $Z\to\tau e$ and $Z\to\tau \mu$ decays with $pp$ collision data from the ATLAS detector at the LHC is presented. [...]
ATLAS-CONF-2021-017. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7435.
Search for Higgs boson pair production in the two bottom quarks plus two photons final state in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
Searches are performed for non-resonant and resonant di-Higgs boson production in the $b\bar{b}\gamma\gamma$ final state. [...]
ATLAS-CONF-2021-016. - 2021.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
7436.
Search for long-lived charginos based on a disappearing-track signature using 136 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for long-lived charginos produced either directly or in the cascade decay of heavy prompt gluino states is presented. [...]
ATLAS-CONF-2021-015. - 2021. - 35 p.
Original Communication (restricted to ATLAS) - Full text
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7437.
Measurements of gluon fusion and vector-boson-fusion production of the Higgs boson in $H\rightarrow W W^* \rightarrow e\nu \mu\nu$ decays using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
The gluon fusion and vector-boson-fusion Higgs boson production modes are measured using proton--proton collisions in the $H\rightarrow W W^* \rightarrow e\nu \mu\nu$ decay channel. [...]
ATLAS-CONF-2021-014. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7438.
Measurement of the $t\bar{t}t\bar{t}$ production cross section in pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A measurement of four-top-quark production using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the Large Hadron Collider with an integrated luminosity of 139 fb$^{-1}$ is presented. [...]
ATLAS-CONF-2021-013. - 2021. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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7439.
Search for heavy particles in the $b$-tagged di-jet mass distribution with additional $b$-tagged jets in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS experiment
A search for new heavy particles decaying to two $b$-quarks is reported. [...]
ATLAS-CONF-2021-019. - 2021. - 18 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
7440.
Search for single vector-like $B$ quark production and decay via $B\rightarrow bH(b\bar{b})$ in pp collisions at $\sqrt{s} = 13\text{ TeV}$ with the ATLAS detector
A search is presented for single production of a vector-like $B$ quark decaying to a Standard Model $b$-quark and the Standard Model Higgs boson, which decays into $b\bar{b}$. [...]
ATLAS-CONF-2021-018. - 2021. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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7441.
Evaluating statistical uncertainties and correlations using the bootstrap method
The bootstrap method is a powerful technique to evaluate the statistical uncertainty of a measurement and correlations between bins. [...]
ATL-PHYS-PUB-2021-011. - 2021.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
7442.
Searches for Exotic Resonances at LHC / Klimek, Pawel Jan (CERN)
An overview of the recent searches for exotic resonances in a variety of final states is presented. [...]
ATL-PHYS-PROC-2021-015. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7443.
Bottlenecks in precision top-quark measurements / Vecchio, Valentina (School of Physics and Astronomy, University of Manchester)
Recent \emph{top}-quark precision measurements at $\sqrt{s}$ = 13 TeV performed by the ATLAS and CMS Collaborations are reviewed: the different approaches for the determination of the systematic uncertainties are compared and discussed. [...]
ATL-PHYS-PROC-2021-019. - 2021. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7444.
Top cross-section and rare top processes at the LHC / Li, Xingguo (Deutsches Elektronen-Synchrotron (DE))
This article summarises the recent highlights in top cross-section and rare top processes at ATLAS and CMS, including measurements from precision to rarity over five orders of magnitude apart. [...]
ATL-PHYS-PROC-2021-018. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7445.
Top quark properties measurements at ATLAS and CMS / Vanadia, Marco (INFN e Universita Roma Tor Vergata (IT))
A review on recent top quark properties measurements by the ATLAS and CMS collaborations in pp collisions at the LHC is presented..
ATL-PHYS-PROC-2021-017. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
7446.
Treatment of top-quark backgrounds in extreme phase spaces: the ''top $p_{T}$ reweighting'' and novel data-driven estimations in ATLAS and CMS / Serkin, Leonid (Abdus Salam Int. Cent. Theor. Phys. (IT))
The top quark plays an important role in searches for physics beyond the SM, both as a dominant background and as a key signature for the signal. [...]
arXiv:2105.03977 ; ATL-PHYS-PROC-2021-016. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7447.
Top cross-section and rare top processes at the LHC / Li, Xingguo (Deutsches Elektronen-Synchrotron (DE))
This article summarises the recent highlights in top cross-section and rare top processes at ATLAS and CMS, including measurements from precision to rarity over five orders of magnitude apart. [...]
ATL-PHYS-PROC-2021-024. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7448.
Top quark properties measurements at ATLAS and CMS / Vanadia, Marco (INFN e Universita Roma Tor Vergata (IT))
A review on recent top quark properties measurements by the ATLAS and CMS collaborations in pp collisions at the LHC is presented..
ATL-PHYS-PROC-2021-023. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7449.
Higgs rare and exotic decays / Morvaj, Ljiljana (CERN)
Several recent searches for exotic and rare decays of the Standard Model Higgs with the ATLAS and CMS detectors are presented. [...]
arXiv:2105.06951 ; ATL-PHYS-PROC-2021-022. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7450.
Higgs cross-section and properties at ATLAS and CMS / Rettie, Sebastien (University of London (GB))
Recent measurements of Higgs boson cross-section and properties are presented using up to 139 $\text{fb}^{-1}$ of proton-proton collision data delivered by the Large Hadron Collider at $\sqrt{s}~=~13$ TeV and recorded by the ATLAS and CMS detectors. [...]
ATL-PHYS-PROC-2021-021. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7451.
Evidence for the Standard Model Higgs boson decaying to a photon and a low-mass lepton pair with the ATLAS detector at the LHC / Basalaev, Artem (Deutsches Elektronen-Synchrotron (DE))
A search for the Higgs boson in the final state with a photon and a lepton pair (muons or electrons) with an invariant mass $m_{ll}<30$ GeV is presented. [...]
ATL-PHYS-PROC-2021-020. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7452.
STANDARD MODEL SOFT QCD AT ATLAS AND CMS / Caforio, Davide (Justus-Liebig-Universitaet Giessen (DE))
Recent results in soft QCD at LHC by the ATLAS, CMS and TOTEM collaboration are presented. [...]
ATL-PHYS-PROC-2021-030. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7453.
Measurement of nuclear modification factor for muons from charm and bottom hadrons in Pb+Pb collisions at 5.02 TeV with the ATLAS detector
Heavy flavour hadron production provides information about the transport properties and the microscopic structure of the quark-gluon plasma created in ultra-relativistic heavy-ion collisions. [...]
ATLAS-CONF-2021-020. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7454.
Search for electroweak production of charginos and neutralinos in final states with three leptons and missing transverse momentum with the ATLAS experiment / Aparo, Marco (University of Sussex (GB))
A new search for electroweak production of charginos and neutralinos decaying to final states with three light leptons - electrons or muons - and missing transverse momentum is presented. [...]
ATL-PHYS-PROC-2021-029. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7455.
The ATLAS Tile Calorimeter performance and its upgrade towards the High-Luminosity LHC / Agaras, Merve Nazlim (The Barcelona Institute of Science and Technology (BIST) (ES))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2021-001. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7456.
Higgs physics results at ATLAS / Owen, Rhys (Science and Technology Facilities Council STFC (GB))
A summary of the latest Higgs results from the ATLAS detector are described. [...]
ATL-PHYS-PROC-2021-028. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7457.
Electroweak vector boson new measurements / Calfayan, Philippe (Indiana University (US))
Recent measurements of electroweak vector boson carried out by the ATLAS and CMS experiments are reported. [...]
ATL-PHYS-PROC-2021-027. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7458.
A search for the decays of stopped long-lived particles with ATLAS / Morgenstern, Stefanie (University of Warwick (GB))
A search for long-lived particles, which have come to rest within the ATLAS detector, is presented. [...]
ATL-PHYS-PROC-2021-026. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7459.
ATLAS toward the High Luminosity era: challenges on electronic systems / Zhu, Junjie (University of Michigan (US))
To maximize the physics reach, the Large Hadron Collider (LHC) plans to increase its instantaneous luminosity to 7.5$\times$10$^{34}$ cm$^{-2}$s$^{-1}$ and deliver $3-4$ ab$^{-1}$ of data at a center-of-mass energy of 14 TeV. [...]
ATL-DAQ-PROC-2021-001. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7460.
B Physics Results at ATLAS / Ibragimov, Iskander (Universitaet Siegen (DE))
Recent B Physics results from the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2021-025. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7461.
ATLAS ITk Pixel Detector Overview / Meng, Lingxin (CERN) ; ATLAS Collaboration
For the High Luminosity upgrade of the Large Hadron Collider the current ATLAS Inner Detector will be replaced by an all-silicon Inner Tracker. [...]
ATL-ITK-PROC-2021-002. - 2021. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7462.
The ATLAS Collaboration Software and Firmware
The ATLAS collaboration has developed an extensive software suite used for the simulation, reconstruction and analysis of real and simulated data, for detector operation, and in the trigger and data acquisition systems of the experiment. [...]
ATL-SOFT-PUB-2021-001. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7463.
Top quark mass summary plots Spring 2021
This note presents plots summarising ATLAS results and combinations of top quark mass measurements..
ATL-PHYS-PUB-2021-015. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7464.
Top working group cross-section summary plots - Spring 2021
This note presents updated figures that summarise top cross-section results from the ATLAS top working group and the LHCtopWG..
ATL-PHYS-PUB-2021-014. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7465.
Top Quarks + X Summary Plots Spring 2021
This note presents summary plots for cross section measurements performed in the ATLAS Top Quarks + X sub-group as of Spring 2021
ATL-PHYS-PUB-2021-013. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7466.
Software Performance of the ATLAS Track Reconstruction for LHC Run 3
This document summarises the main changes to the ATLAS experiment’s Inner Detector track reconstruction software chain in preparation for LHC Run 3 (2022-2024). [...]
ATL-PHYS-PUB-2021-012. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7467.
Higgs Simplified Template and Differential Cross Sections / Shope, David Richard (KTH Royal Institute of Technology (SE))
The latest results from ATLAS and CMS on measurements of Higgs boson simplified template and differential cross sections are presented. [...]
ATL-PHYS-PROC-2021-031. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7468.
ATLAS: Update on CP-Violation Measurements in Bs to J/psi phi Decay / Simsek, Sinem (Istanbul Bilgi U.)
Recent measurement of the time-dependent CP violating weak phase in $B_s^{0}\rightarrow J/\psi \phi$ decay using proton-proton collision data collected by the ATLAS detector at a center-of-mass energy of 13 TeV corresponding to integrated luminosity of 80.0 fb$^{-1}$ is presented. [...]
ATL-PHYS-PROC-2021-033. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7469.
Seamless integration of commercial Clouds with ATLAS Distributed Computing / Elmsheuser, Johannes (Brookhaven National Laboratory (BNL)) ; Barreiro Megino, Fernando Harald (The University of Texas at Arlington) ; Bawa, Harinder Singh (California State University) ; De, Kaushik (The University of Texas at Arlington) ; Klimentov, Alexei (Brookhaven National Laboratory (BNL)) ; Lassnig, Mario (European Laboratory for Particle Physics, CERN) ; Serfon, Cedric (Brookhaven National Laboratory (BNL)) ; Wegner, Tobias Thomas (Bergische Universitaet Wuppertal)
The CERN ATLAS Experiment successfully uses a worldwide distributed computing Grid infrastructure to support its physics programme at the Large Hadron Collider (LHC). [...]
ATL-SOFT-PROC-2021-003. - 2021. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7470.
Impact of the HL-LHC detector upgrades on the physics program of the ATLAS and CMS experiments / Kuehn, Susanne (CERN)
Plenty of physics results could be obtained due to very well performing LHC and its experiments. [...]
ATL-UPGRADE-PROC-2021-001. - 2021. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7471.
Measurements and searches of Higgs boson production involving fermion couplings with the ATLAS detector / Hirose, Shigeki (University of Tsukuba (JP))
In the standard model, fermions acquire the mass via the Yukawa interaction [...]
ATL-PHYS-PROC-2021-032. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7472.
Energy Reconstruction Techniques in TileCal under High Pile-up Conditions / Inacio Goncalves, Guilherme (Universidade Federal do Rio De Janeiro, COPPE/EE/IF) ; ATLAS Tile Collaboration
Particle colliders are machines built to probe fundamental questions in physics. [...]
ATL-TILECAL-PROC-2021-002. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7473.
Vector-boson scattering at the HL-LHC / Lohwasser, Kristin (University of Sheffield (GB))
These proceedings describe studies to investigate the potential of the upgraded ATLAS detector to measure vector boson scattering processes at the HL-LHC collider..
ATL-PHYS-PROC-2021-034. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7474.
The fight against COVID-19: Running Folding@Home simulations on ATLAS resources / Forti, Alessandra (Manchester U.) ; Glushkov, Ivan (Texas U., Arlington) ; Heinrich, Lukas (CERN) ; Lassnig, Mario (CERN) ; South, David (DESY) ; Walker, Rodney (Munich U.)
Following the outbreak of the COVID-19 pandemic, the ATLAS experiment considered how it could most efficiently contribute using its distributed computing resources. [...]
ATL-SOFT-PROC-2021-007. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7475.
Updates on usage of the Czech national HPC center / Svatos, Michal (Czech Academy of Sciences (CZ)) ; Chudoba, Jiri (Czech Academy of Sciences (CZ)) ; Vokac, Petr (Czech Technical University in Prague (CZ))
The distributed computing of the ATLAS experiment at LHC is using computing resources of the Czech national HPC center IT4Innovations for several years. [...]
ATL-SOFT-PROC-2021-006. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7476.
ATLAS in-file metadata and multi-threaded processing / Berghaus, Frank (Argonne) ; Krasznahorkay, Attila (CERN) ; Martin, Tim (Warwick U.) ; Novak, Tadej (DESY) ; Nowak, Marcin (Brookhaven Natl. Lab.) ; Schaffer, R D (U. Paris-Saclay) ; Tsulaia, Vakhtang (LBNL, Berkeley) ; Van Gemmeren, Peter (Argonne)
Processing and scientific analysis of the data taken by the ATLAS experiment requires reliable information describing the event data recorded by the detector or generated in software. [...]
ATL-SOFT-PROC-2021-005. - 2021. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7477.
The ATLAS Tile Calorimeter Tools for Data Quality Assessment / Scheirich, Daniel (Charles University (CZ))
The ATLAS Tile Calorimeter (TileCal) is the central part of the hadronic calorimeter of the ATLAS experiment and provides important information for reconstruction of hadrons, jets, hadronic decays of tau leptons and missing transverse energy. [...]
ATL-TILECAL-PROC-2021-003. - 2021. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7478.
Methods of Data Popularity Evaluation in the ATLAS Experiment at the LHC / Grigoryeva, Maria (M.V. Lomonosov Moscow State University (RU)) ; Tretyakov, Evgeny (National Research Nuclear University MEPhI (RU)) ; Artamonov, Aleksei (National Research Nuclear University MEPhI (RU)) ; Korchuganova, Tatiana (Universidad Andres Bello (CL)) ; Klimentov, Alexei (Brookhaven National Laboratory (US)) ; Alekseev, Aleksandr (Universidad Andres Bello (CL))
The ATLAS Experiment at the LHC generates petabytes of data that is distributed among 160 computing sites all over the world and being processed continuously by various central production and user analysis tasks. [...]
ATL-SOFT-PROC-2021-004. - 2021. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7479.
Towards a Common $t\bar{t}$ Monte-Carlo Sample for ATLAS and CMS
Both ATLAS and CMS use Powheg+Pythia8 Monte-Carlo simulations for modelling the $t\bar{t}$ process. [...]
ATL-PHYS-PUB-2021-016. - 2021. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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7480.
Experience with Rucio in the wider HEP community / Barisits, Martin (CERN) ; Beermann, Thomas (Wuppertal U.) ; Cameron, David (Oslo U.) ; Clark, James Alexander (Caltech ; Georgia Tech) ; Di Maria, Riccardo (CERN) ; Fronzé, Gabriele Gaetano (INFN, Turin) ; Johnson, Ian (Rutherford) ; Lassnig, Mario (CERN) ; Serfon, Cédric (Brookhaven) ; Vaandering, Eric W (Fermilab)
Managing the data of scientific projects is an increasingly complicated challenge, which was usually met by developing experiment-specific solutions. [...]
ATL-SOFT-PROC-2021-009 ; FERMILAB-CONF-21-753-SCD. - 2021. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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7481.
A proposal for Open Access data and tools multi-user deployment using ATLAS Open Data for Education / Sanchez Pineda, Arturos (Centre National de la Recherche Scientifique (FR)) ; Guerrieri, Giovanni (Universita degli Studi di Udine (IT)) - core developer - Qualification Task
The deployment of analysis pipelines has been tightly related and conditioned to the scientific facility’s computer infrastructure or academic institution where it is carried on. [...]
ATL-SOFT-PROC-2021-008. - 2021. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7482.
SUSY Summary Plots June 2021
These are summary plots, updated for the SUSY group in May 2021..
ATL-PHYS-PUB-2021-019. - 2021. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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7483.
Summary of Diboson Resonance Searches from the ATLAS Experiment
This note presents a summary of results from the most recent ATLAS diboson searches. [...]
ATL-PHYS-PUB-2021-018. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7484.
Performance of Multi-threaded Reconstruction in ATLAS
For Run 3, ATLAS has migrated its standard reconstruction software to a multi-threaded framework in Athena release 22. [...]
ATL-SOFT-PUB-2021-002. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7485.
Summary Plots from ATLAS Searches for Pair-Produced Leptoquarks
This note collects four summary plots with exclusion contours derived for different pair-production scenarios of scalar leptoquarks. [...]
ATL-PHYS-PUB-2021-017. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7486.
Direct constraint on the Higgs-charm coupling from a search for Higgs boson decays to charm quarks with the ATLAS detector
A search for the Standard Model Higgs boson decaying to a pair of charm quarks is presented. [...]
ATLAS-CONF-2021-021. - 2021. - 39 p.
Original Communication (restricted to ATLAS) - Full text
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7487.
Exploring the self-service model to visualize the results of the ATLAS Machine Learning analysis jobs in BigPanDA with Openshift OKD3 / Stan, Ioan-Mihail (University Politehnica Bucharest) ; Padolski, Siarhei (Brookhaven National Laboratory (BNL)) ; Lee, Christopher Jon (Stony Brook University)
A large scientific computing infrastructure must provide sufficient versatility to host any kind of experiment that can lead to innovative ideas and great discoveries. [...]
ATL-SOFT-PROC-2021-016. - 2021. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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7488.
Development of a High Throughput PCIe Card for DAQ System in the ATLAS and DUNE Experiments / Chen, Kai (Brookhaven National Laboratory (BNL)) ; Tang, Shaochun (Brookhaven National Laboratory (BNL)) ; Chen, Hucheng (Brookhaven National Laboratory (BNL)) ; Schreuder, Frans Philip (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef)
In the Phase-I upgrade of ATLAS experiment and the Single-Phase ProtoDUNE (Prototype for the Deep Underground Neutrino Experiment) experiment, a PCIe based FELIX (Front-End LInk eXchange) system has been deployed for data acquisition, to interface the front-end electronics. [...]
ATL-DAQ-PROC-2021-004. - 2021. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7489.
System-level performance study and commissioning of TGC front-end electronics for Phase-2 upgrade of LHC-ATLAS / Tanaka, Aoto (University of Tokyo (JP))
The Thin Gap Chambers (TGCs) of the LHC-ATLAS are responsible for triggering muons in the endcap region at the hardware trigger stage. [...]
ATL-MUON-PROC-2021-001. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7490.
The Opto-electrical conversion system for the data transmission chain of the ATLAS ITk Pixel detector upgrade for the HL-LHC / Franconi, Laura (Universitaet Bern (CH))
The future High-Luminosity era of the Large Hadron Collider, with its unprecedented instantaneous luminosity, will impose new challenges on the LHC experiments. [...]
ATL-ITK-PROC-2021-003. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7491.
Search for heavy resonances decaying into a $W$ boson and a Higgs boson in final states with leptons and $b$-jets in $139~fb^{-1}$ of $pp$ collisions at $\sqrt{s}=13~\mathrm{TeV}$ with the ATLAS detector
This note presents a search for a new resonance $W^\prime$ decaying into a $W$ boson and a $125~\mathrm{GeV}$ Higgs boson $H$ in the $\ell\nu bb$ final state, where $\ell = e,$ or $\mu$, using $pp$ collision data at 13 TeV corresponding to an integrated luminosity of 139 fb$^{-1}$ collected by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2021-026. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7492.
Search for high-mass resonances in final states with a tau lepton and missing transverse momentum with the ATLAS detector
A search for high-mass resonances decaying to tau lepton and a neutrino using proton–proton collisions at a center-of-mass energy of $\sqrt{s}=$13 TeV is presented. [...]
ATLAS-CONF-2021-025. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7493.
Search for pair-production of vector-like quarks in $pp$ collision events at $\sqrt{s}=13$~TeV with at least one leptonically-decaying $Z$~boson and a third-generation quark with the ATLAS detector
A search for the pair-production of vector-like quarks optimized for decays to a $Z$ boson and a third-generation Standard Model quark is presented, using the full Run 2 dataset corresponding to $139\,\mathrm{fb}^{-1}$ of $pp$ collisions at $\sqrt{s}=13\,\mathrm{TeV}$, collected in 2015-2018 with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2021-024. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7494.
Search for type-III seesaw heavy leptons in leptonic final states in pp collisions at sqrt(s) = 13 TeV with the ATLAS detector
A search for the pair production of heavy leptons as predicted by the type-III seesaw mechanism is presented. [...]
ATLAS-CONF-2021-023. - 2021. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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7495.
Columnar data analysis with ATLAS analysis formats / Hartmann, Nikolai (Ludwig Maximilians Universitat (DE)) ; Duckeck, Guenter (Ludwig Maximilians Universitat (DE)) ; Elmsheuser, Johannes (Brookhaven National Laboratory (US))
Future analysis of ATLAS data will involve new small-sized analysis formats to cope with the increased storage needs. [...]
ATL-SOFT-PROC-2021-015. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7496.
Improvements to ATLAS Inner Detector Track reconstruction for LHC Run-3 / Schillaci, Zachary Michael (Brandeis U.) ; Pettersson, Nora Emilia (CERN) ; Cairo, Valentina (SLAC National Accelerator Laboratory (US)) ; Goblirsch-Kolb, Maximilian Emanuel (Brandeis University (US)) ; Vessella, Makayla (University of Massachusetts (US)) ; Swatman, Stephen Nicholas (University of Amsterdam (NL))
This document summarises the main changes to the ATLAS experiment's Inner Detector Track reconstruction software chain in preparation of LHC Run 3 (2022-2024). [...]
ATL-SOFT-PROC-2021-014. - 2021. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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7497.
A new data transfer scheme for the HL-LHC upgrade of the ATLAS Tile Hadronic Calorimeter / Cervello Duato, Antonio (Univ. of Valencia and CSIC (ES)) ; Valero Biot, Alberto (Univ. of Valencia and CSIC (ES)) ; Carrio Argos, Fernando (Univ. of Valencia and CSIC (ES)) ; Torres Pais, Jose (Univ. of Valencia and CSIC (ES)) ; Soret Medel, Jesus (Univ. of Valencia and CSIC (ES)) ; Garcia Olcina, Raimundo (Univ. of Valencia and CSIC (ES))
The Large Hadron Collider (LHC) is undergoing a series of upgrades to-wards a High Luminosity LHC (HL-LHC) that will deliver five times the LHC nominal instantaneous luminosity. [...]
ATL-TILECAL-PROC-2021-004. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7498.
The GeoModel tool suite for detector description / Bandieramonte, Marilena (Pittsburgh U.) ; Bianchi, Riccardo Maria (Pittsburgh U.) ; Boudreau, Joseph (Pittsburgh U.) ; Dell’Acqua, Andrea (CERN) ; Tsulaia, Vakhtang (LBNL, Berkeley)
The GeoModel class library for detector description has recently been released as an open-source package and extended with a set of tools to allow much of the detector modeling to be carried out in a lightweight development environment, outside of large and complex software frameworks. [...]
ATL-SOFT-PROC-2021-013. - 2021. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7499.
The ATLAS Data Carousel Project Status / Borodin, Mikhail (Iowa U.) ; Di Girolamo, Alessandro (CERN) ; Karavakis, Edward (CERN) ; Klimentov, Alexei (Brookhaven) ; Korchuganova, Tatiana (Moscow RAS, IRE ; Moscow, Central Economics Math. Inst. ; Andres Bello Natl. U.) ; Lassnig, Mario (CERN) ; Maeno, Tadashi (Brookhaven Natl. Lab.) ; Padolski, Siarhei (Brookhaven Natl. Lab.) ; Zhao, Xin (Brookhaven Natl. Lab.)
The High Luminosity upgrade to the LHC, which aims for a ten-fold increase in the luminosity of proton-proton collisions at energy of 14 TeV, is expected to start operation in 2028/29, and will deliver an unprecedented scientific data volume at the multi-exabyte scale. [...]
ATL-SOFT-PROC-2021-012. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7500.
Containerization in ATLAS Software Development and Data Production / Ozturk, Nurcan (The University of Texas at Arlington) ; Undrus, Alexander (Brookhaven National Laboratory (BNL)) ; Vogel, Marcelo (Bergische Universitaet Wuppertal) ; Forti, Alessandra (School of Physics and Astronomy, University of Manchester)
The ATLAS experiment’s software production and distribution on the grid benefits from an almost automated infrastructure that provides the up-to-date information about software usability and availability through the CVMFS distribution service for all relevant systems. [...]
ATL-SOFT-PROC-2021-011. - 2021. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7501.
The Controls and Configuration Software of the ATLAS Data Acquisition System: evolution towards LHC Run 3 / Kazarov, Andrei (Petersburg Nuclear Physics Institute) ; Chitan, Adrian (Horia Hulubei National Institute of Physics and Nuclear Engineering) ; Kazymov, Andrei (Joint Institute for Nuclear Research) ; Corso-Radu, Alina (University of California, Irvine) ; Aleksandrov, Igor (Joint Institute for Nuclear Research) ; Soloviev, Igor (University of California, Irvine) ; Avolio, Giuseppe (European Laboratory for Particle Physics, CERN) ; Vasile, Matei Eugen (Horia Hulubei National Institute of Physics and Nuclear Engineering) ; Mineev, Mikhail (Joint Institute for Nuclear Research)
The ATLAS experiment at the Large Hadron Collider (LHC) op- erated very successfully in the years 2008 to 2018, in two periods identified as Run 1 and Run 2. [...]
ATL-DAQ-PROC-2021-003. - 2021. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7502.
Search for exotic dark matter at ATLAS and CMS / Liu, Bingxuan (Simon Fraser University (CA))
The nature of dark matter (DM) is still a mystery. [...]
ATL-PHYS-PROC-2021-035. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7503.
Evolution of ATLAS analysis workflows and tools for the HL-LHC era / Cameron, David (Oslo U.) ; Forti, Alessandra (Manchester U.) ; Klimentov, Alexei (Brookhaven Natl. Lab.) ; Pacheco Pages, Andrés (Barcelona, IFAE ; PIC, Bellaterra) ; South, David (DESY)
The High Luminosity LHC project at CERN, which is expected to deliver a ten-fold increase in the luminosity of proton-proton collisions over LHC, will start operation towards the end of this decade and will deliver an unprecedented scientific data volume of multi-exabyte scale. [...]
ATL-SOFT-PROC-2021-010. - 2021. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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7504.
Design of a Resilient, High-Throughput, Persistent Storage System for the ATLAS Phase-II DAQ System / Abud, Adam Abed (Liverpool U. ; CERN) ; Bonaventura, Matias (CERN ; Buenos Aires, IAFE) ; Farina, Edoardo (CERN ; INFN, Pavia ; Pavia U.) ; Le Goff, Fabrice (CERN)
The ATLAS experiment will undergo a major upgrade to take advantage of the new conditions provided by the upgraded High-Luminosity LHC. [...]
ATL-DAQ-PROC-2021-002. - 2021. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7505.
Search for charginos and neutralinos in final states with two boosted hadronically decaying bosons and missing transverse momentum in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for electroweakinos at the Large Hadron Collider is reported using fully hadronic final states and missing transverse momentum. [...]
ATLAS-CONF-2021-022. - 2021. - 46 p.
Original Communication (restricted to ATLAS) - Full text
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7506.
Search for non-resonant extra dimensions in high-mass dilepton final states at \sqrt{s}=13 TeV using 139 fb-1
A search is presented for physics non-resonant new phenomena in dielectron and dimuon final states, originating from large extra spatial dimensions. [...]
ATL-PHYS-PUB-2021-021. - 2021. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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7507.
Constraining the Dark Sector with the monojet signature in the ATLAS experiment
This note presents the reinterpretation of the search for final states with at least one energetic jet and missing transverse momentum in the context of dark sector models with long-lived non-charged particles. [...]
ATL-PHYS-PUB-2021-020. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7508.
An intelligent Data Delivery Service for and beyond the ATLAS experiment / Guan, Wen (University of Wisconsin Madison (US)) ; Maeno, Tadashi (Brookhaven National Laboratory (US)) ; Bockelman, Brian Paul (University of Wisconsin Madison (US)) ; Wenaus, Torre (Brookhaven National Laboratory (US)) ; Lin, Fa-Hui (University of Texas at Arlington (US)) ; Padolski, Siarhei (Brookhaven National Laboratory (US)) ; Zhang, Rui (University of Wisconsin Madison (US)) ; Alekseev, Aleksandr (Universidad Andres Bello (CL))
The intelligent Data Delivery Service (iDDS) has been developed to cope with the huge increase of computing and storage resource usage in the coming LHC data taking. [...]
arXiv:2103.00523 ; ATL-SOFT-PROC-2021-002 ; ATL-SOFT-PROC-2021-018. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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7509.
Certification of a new generation of Resistive Plate Chambers for the Phase-1 BIS78 upgrade of the ATLAS Muon Spectrometer / Proto, Giorgia (INFN e Universita Roma Tor Vergata (IT))
In preparation for the coming years of LHC running at higher luminosity, two upgrade projects of the ATLAS Muon Spectrometer have been developed: the New Small Wheel project, improving the trigger in the end-cap regions, and the BIS78 project, dedicated to the transition region between barrel and the endcaps (1$<|\eta|<$1.3).\\The BIS78 project will add 32 RPC triplets along z on the edges of the inner barrel sectors where the ATLAS toroid is present. [...]
ATL-MUON-PROC-2021-002. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7510.
Module development for the ATLAS ITk Pixel Detector / Sharma, Abhishek (CERN)
In HL-LHC operation the instantaneous luminosity will reach unprecedented values, resulting in about 200 proton-proton interactions in a typical bunch crossing. [...]
ATL-ITK-PROC-2021-006. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7511.
The Fast Simulation Chain in the ATLAS experiment / ATLAS Collaboration
The ATLAS experiment relies heavily on simulated data, requiring the production on the order of billions of Monte Carlo-based proton-proton collisions every run period. [...]
ATL-SOFT-PROC-2021-017. - 2021. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7512.
Irradiation studies at the Bern cyclotron for the ATLAS ITk upgrade / Halser, Lea (Universitaet Bern (CH))
At the high-luminosity LHC, the radiation levels for participating experiments will increase by over one order of magnitude in total ionising dose compared to current levels. [...]
ATL-ITK-PROC-2021-005. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7513.
Measurement of the polarisation of single top quarks and antiquarks produced in the $t$-channel collected with the ATLAS detector at $\sqrt{s}=$ 13 TeV and bounds on the $tWb$ dipole operator
A simultaneous measurement of the three components of the top-quark and top-antiquark polarisation vectors in $t$-channel single-top-quark production is presented. [...]
ATLAS-CONF-2021-027. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7514.
ATLAS ITk Pixel Detector Overview / Munoz Sanchez, Francisca (University of Manchester (GB))
In this work an overview of the layout and current status of development of the ITk Pixel detector is given. [...]
ATL-ITK-PROC-2021-004. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7515.
The HL-LHC Upgrade of the ATLAS hadronic Tile Calorimeter / ATLAS Tile Collaboration
The High-Luminosity phase of LHC, scheduled to begin in late 2027, will deliver five times the LHC nominal instantaneous luminosity to the experiments. [...]
ATL-TILECAL-PROC-2021-005. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7516.
Dark Matter searches with the ATLAS Detector / Frattari, Guglielmo (Sapienza Universita e INFN, Roma I (IT))
The presence of a non-baryonic dark matter (DM) component in the Universe is inferred from the observation of its gravitational interaction. [...]
ATL-PHYS-PROC-2021-036. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7517.
The Data Acquisition System for the ATLAS Phase-II TileCalorimeter Demonstrator / Carrio Argos, Fernando (Univ. of Valencia and CSIC (ES))
The Tile Calorimeter (TileCal) is the central hadronic calorimeter of the ATLAS experiment at Large Hadron Collider (LHC). [...]
ATL-TILECAL-PROC-2021-006. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7518.
Searches for Leptoquarks with the ATLAS Detector / Sopczak, Andre (Czech Technical University in Prague (CZ))
Leptoquarks (LQ) are predicted by many new physics theories to describe the similarities between the lepton and quark sectors of the Standard Model and offer an attractive potential explanation for the lepton flavour anomalies observed at LHCb and flavour factories. [...]
ATL-PHYS-PROC-2021-038. - 2021. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7519.
Cosmic results with the final Micromegas sectors for the ATLAS Muon upgrade / Maniatis, Ioannis Michail (Aristotle University of Thessaloniki (GR))
With the upgraded beam luminosity in LHC run-3, the detector technology for the innermost end-cap muon station (small wheel) of the ATLAS detector needs to be upgraded. [...]
ATL-MUON-PROC-2021-003. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7520.
RD53B Wafer Testing for the ATLAS ITk Pixel Detector / Standke, Mark (University of Bonn (DE))
RD53 is the research and development group at CERN responsible for developing and producing the next generation of readout chips for the ATLAS and CMS pixel detectors at the HL-LHC. [...]
ATL-ITK-PROC-2021-007. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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7521.
Measurement of the $t\bar{t}t\bar{t}$ quark production in 13 TeV pp collisions with the ATLAS experiment / Sonay, Anil (The Barcelona Institute of Science and Technology (BIST) (ES))
A measurement of four-top-quark production using 139 fb$^{-1}$ of proton-proton collision data at a center-of-mass energy of 13 TeV collected by the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2021-037. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7522.
Artificial Neural Networks on FPGAs for Real-Time Energy Reconstruction of the ATLAS LAr Calorimeters / Aad, Georges (Aix-Marseille U. ; Marseille, CPPM) ; Berthold, Anne-Sophie (Dresden, Tech. U.) ; Calvet, Thomas Philippe (Aix-Marseille U. ; Marseille, CPPM) ; Chiedde, Nemer (Aix-Marseille U. ; Marseille, CPPM) ; Fortin, Etienne (Aix-Marseille U. ; Marseille, CPPM) ; Fritzsche, Nick (Dresden, Tech. U.) ; Hentges, Rainer Guenter (Dresden, Tech. U.) ; Laatu, Lauri Antti Olavi (Aix-Marseille U. ; Marseille, CPPM) ; Monnier, Emmanuel (Dresden, Tech. U.) ; Straessner, Arno (Dresden, Tech. U.) et al.
Within the Phase-II upgrade of the LHC, the readout electronics of the ATLAS LAr Calorimeters is prepared for high luminosity operation expecting a pile-up of up to 200 simultaneous pp interactions. [...]
ATL-LARG-PROC-2021-001. - 2021. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7523.
ATLAS Results with Beauty Mesons / Perrevoort, Ann-Kathrin (Nikhef National institute for subatomic physics (NL))
A broad range of measurements involving $B$ mesons are performed with the ATLAS experiment at the Large Hadron Collider, of which a selection is discussed in this note. [...]
ATL-PHYS-PROC-2021-041. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7524.
Prospects for Higgs and di-Higgs measurements at the ATLAS experiment / Betti, Alessandra (Southern Methodist University (US))
The large dataset of about 3000 $\rm{fb}^{-1}$ that will be collected at the High Luminosity LHC (HL-LHC) will be used to measure Higgs boson processes in detail. [...]
ATL-PHYS-PROC-2021-040. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7525.
Measurements of W and Z boson production in ATLAS / Wu, Zhibo (Université Paris-Saclay (FR)) ; Balli, Fabrice (Université Paris-Saclay (FR)) ; Deliot, Frederic (Université Paris-Saclay (FR)) - Institute review Institute review
Precision measurements of the production cross-sections of W and Z boson at LHC provide important tests of perturbative QCD and information about the parton distribution functions for quarks within the proton. [...]
ATL-PHYS-PROC-2021-039. - 2022. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7526.
Identification of hadronically-decaying top quarks using UFO jets with ATLAS in Run 2
The identification of hadronically-decaying top quarks with large transverse momenta plays an important role for the ATLAS physics programme at the Large Hadron Collider. [...]
ATL-PHYS-PUB-2021-028. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7527.
Digluon Tagging using $\sqrt{s}=13$ TeV $pp$ Collisions in the ATLAS Detector
Jet substructure has played a key role in the development of two-prong taggers designed to identify Lorentz-boosted massive particles. [...]
ATL-PHYS-PUB-2021-027. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7528.
Physics motivation and detector upgrades for the new era of the ATLAS experiment / Nielsen, Jason (University of California,Santa Cruz (US))
The ATLAS experiment at CERN's Large Hadron Collider will be upgraded in two stages to prepare first for the Run~3 data-taking campaign, during which the integrated luminosity will roughly double, and then for the High-Luminosity LHC program with an ultimate integrated luminosity of up to 4 ab$^{-1}$. [...]
ATL-PHYS-PROC-2021-043. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7529.
Sensitivity to exclusive $WW$ production in photon scattering at the High Luminosity LHC
The prospects of measuring the process $\gamma\gamma\rightarrow W^+W^-$ with the ATLAS detector during the high luminosity phase of the Large Hadron Collider (HL-LHC) with a centre-of-mass energy of 14~TeV and an integrated luminosity of 3000~fb$^{-1}$ are studied. [...]
ATL-PHYS-PUB-2021-026. - 2021. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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7530.
ATLAS Computing Acknowledgements
Document listing the centres providing major contributions to ATLAS computing in terms of CPU resources in 2020 and 2021. [...]
ATL-SOFT-PUB-2021-003. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7531.
METNet: A combined $p^{\text{miss}}_{\text{T}}$ working point using a neural network with the ATLAS detector
In order to suppress pile-up effects and improve the resolution, ATLAS employs a suite of working points for missing transverse momentum ($p_{\text{T}}^{\text{miss}}$) reconstruction, and each is optimal for different event topologies and different beam conditions. [...]
ATL-PHYS-PUB-2021-025. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7532.
Expected tracking and related performance with the updated ATLAS Inner Tracker layout at the High-Luminosity LHC
As part of the ATLAS Phase-II upgrade, the current Inner Detector of the experiment will be replaced with a new all-silicon Inner Tracker (ITk) designed to face the challenging environment associated with the high number of collisions per bunch crossing. [...]
ATL-PHYS-PUB-2021-024. - 2021. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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7533.
Expected performance of the ATLAS detector under different High-Luminosity LHC conditions
A major upgrade of the LHC is planned to be completed by 2027, resulting in the so-called High-Luminosity LHC (HL-LHC) operating at a target luminosity of $5\times10^{34}~\mathrm{cm}^{-2}\mathrm{s}^{-1}$, with a possibility to reach an ultimate peak luminosity of up to $7.5\times10^{34}~\mathrm{cm}^{-2}\mathrm{s}^{-1}$. [...]
ATL-PHYS-PUB-2021-023. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7534.
Combined effective field theory interpretation of differential cross-sections measurements of WW, WZ, 4l, and Z-plus-two-jets production using ATLAS data
Coefficients of the Standard Model Effective Field Theory are constrained in a combined interpretation of differential cross-section measurements of $WW$ and $WZ$ production in leptonic final states, four-lepton production, and the production of a leptonically decaying $Z$ boson in vector-boson-fusion topologies. [...]
ATL-PHYS-PUB-2021-022. - 2021. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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7535.
Measurement of the $t\bar{t}t\bar{t}$ production at 13 TeV with the ATLAS detector at the LHC / Oncel, Omer Ogul (University of Bonn (DE))
Two measurements and their combination for the $t\bar{t}t\bar{t}$ production cross-section analysis using 139 fb$^{-1}$ of proton$-$proton collision data at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the LHC are presented. [...]
ATL-PHYS-PROC-2021-042. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7536.
A precise interpretation for the top quark mass parameter in ATLAS Monte Carlo simulation
This note relates the top quark mass parameter in simulated pp collisions with a 13 TeV centre-of-mass-energy produced by ATLAS to a well-defined field-theoretical mass scheme. [...]
ATL-PHYS-PUB-2021-034. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7537.
ATLAS LAr Calorimeter commissioning for LHC Run-3 / Selem, Luka (Centre National de la Recherche Scientifique (FR))
The ATLAS experiment at the Large Hadron Collider (LHC) measures proton--proton collisions at high energies. [...]
ATL-LARG-PROC-2021-003. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7538.
Measurements of the production cross section of a $Z$ boson in association with high transverse momentum jets in $pp$ collisions at $\sqrt{s} = 13$~TeV with the ATLAS detector
Measurements of the production cross section of a $Z$ boson in association with at least one high transverse momentum jet are presented, separating topologies corresponding to the emission of a $Z$ boson from dijet events and topologies with a boosted $Z$ recoiling against a high-energy jet. [...]
ATLAS-CONF-2021-033. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7539.
Search for events with a pair of displaced vertices from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in $pp$ collisions at $\sqrt{s}=13$ TeV
A search for events with two displaced vertices from long-lived particles (LLP) pairs using data collected by the ATLAS detector at the LHC is presented. [...]
ATLAS-CONF-2021-032. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7540.
Measurements of differential cross-sections in top-quark pair events with a high transverse momentum top quark and limits on beyond the Standard Model contributions to top quark pair production with the ATLAS detector
Cross-section measurements of top-quark pair production where the hadronically decaying top quark has transverse momentum greater than $355$ GeV are presented using 139 fb$^{-1}$ of data collected by the ATLAS experiment during proton-proton collisions at the LHC. [...]
ATLAS-CONF-2021-031. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7541.
Search for resonant and non-resonant Higgs boson pair production in the $b\bar b\tau^+\tau^-$ decay channel using 13 TeV $pp$ collision data from the ATLAS detector
A search for Higgs boson pair production in events with two $b$-jets and two $\tau$-leptons is presented, using a $pp$ collision data set with an integrated luminosity of $139~\text{fb}^{-1}$ collected at $\sqrt{s}=13~\text{TeV}$ by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2021-030. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7542.
Search for associated production of a $Z$ boson with an invisibly decaying Higgs boson or dark matter candidates at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for invisible decays of the Higgs boson as well as searches for dark matter candidates, produced together with a leptonically decaying $Z$ boson, are presented. [...]
ATLAS-CONF-2021-029. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7543.
Search for new phenomena in final states with photons, jets and missing transverse momentum in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for new phenomena has been performed in final states with at least one isolated high momentum photon, jets and missing transverse momentum in proton-proton collisions at a centre-of-mass energy of $\sqrt{s} = 13$ TeV. [...]
ATLAS-CONF-2021-028. - 2021. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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7544.
Development of the ATLAS Liquid Argon Calorimeter Readout Electronics for the HL-LHC / Kolb, Mathis (Université Paris-Saclay (FR))
The full ATLAS Liquid Argon Calorimeter electronic readout chain will be upgraded for the high-luminosity LHC. [...]
ATL-LARG-PROC-2021-002. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7545.
Measurements of jet substructure and jet fragmentation using the ATLAS detector / Llorente Merino, Javier (Simon Fraser University (CA))
Measurements of the internal properties of jets at the LHC interaction scale allow QCD to be studied in a new energy regime. [...]
ATL-PHYS-PROC-2021-047. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7546.
ATLAS results on charmonium production / Kartvelishvili, Vato (Lancaster University (GB))
An overview is given of the results on charmonium production obtained by the ATLAS collaboration at the LHC. [...]
arXiv:2107.14706 ; ATL-PHYS-PROC-2021-046. - 2022-07-11. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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7547.
Summary Plots for Heavy Particle Searches and Long-lived Particle Searches - July 2021
The results of searches for heavy particles from the Exotics and HDBS physics groups and long-lived particles from the Exotics and SUSY physics groups are summarized in plots for a representative set of models. [...]
ATL-PHYS-PUB-2021-033. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7548.
Standard Model Summary Plots June 2021
This note presents cross section summary plots for ATLAS cross section measurements as of June 2021
ATL-PHYS-PUB-2021-032. - 2021. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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7549.
Summary of non-resonant and resonant Higgs boson pair searches from the ATLAS experiment
This note presents a summary of results from the most recent ATLAS Higgs boson pair ($HH$) searches. [...]
ATL-PHYS-PUB-2021-031. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7550.
hMSSM summary plots from direct and indirect searches
This note presents an update of the plots that summarize the interpretation of various searches for additional Higgs bosons beyond the Standard Model, as well as the Higgs boson coupling combination, in the hMSSM. [...]
ATL-PHYS-PUB-2021-030. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7551.
Performance of $W$/$Z$ taggers using UFO jets in ATLAS
The identification of boosted hadronic decays of $W$ and $Z$ bosons is a key technique for a variety of searches and measurements at the Large Hadron Collider. [...]
ATL-PHYS-PUB-2021-029. - 2021. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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7552.
Measurements of $t\overline{t}$ production cross sections with the ATLAS experiment at the LHC / Spalla, Margherita (Max-Planck-Institut fur Physik (DE))
Comprehensive measurements of differential cross-sections of top-quark-antiquark pair-production are presented. [...]
ATL-PHYS-PROC-2021-045. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7553.
Recent Highlights on Higgs Physics from the LHC / Schopf, Elisabeth (University of Oxford (GB))
Many of the Higgs boson production and decay channels, predicted by the Standard Model, have been observed since its 2012 discovery. [...]
ATL-PHYS-PROC-2021-044. - 2021. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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7554.
Combination and summary of ATLAS dark matter searches using 139 fb-1 of √s = 13 TeV p p collision data and interpreted in a two-Higgs-doublet model with a pseudoscalar mediator
A combination of two searches for dark matter is presented, along with results from a wide range of experimental analyses that are interpreted in a common benchmark model: a Two-Higgs-Doublet Model with a pseudoscalar mediator. [...]
ATLAS-CONF-2021-036. - 2021. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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7555.
Search for resonant pair production of Higgs bosons in the $b\bar{b}b\bar{b}$ final state using $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for resonant Higgs boson pair production in the $b\bar{b}b\bar{b}$ final state is presented. [...]
ATLAS-CONF-2021-035. - 2021. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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7556.
Search for Higgs bosons decaying to new spin-0 or spin-1 particles in four-lepton final states at the ATLAS detector with 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV
Searches are conducted for new spin-0 or spin-1 bosons using events where a Higgs boson with mass $125$ GeV decays to four leptons ($\ell =$ $e$, $\mu$). [...]
ATLAS-CONF-2021-034. - 2021. - 49 p.
Original Communication (restricted to ATLAS) - Full text
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7557.
Efficiency corrections for a tagger for boosted $H\rightarrow b\bar{b}$ decays in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
The identification of massive particles decaying into bottom-antibottom quark pairs at high transverse momenta in ATLAS is performed using a multivariate algorithm, denoted an $X \rightarrow b\bar{b}$ tagger. [...]
ATL-PHYS-PUB-2021-035. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7558.
A High-Granularity Timing Detector for the Phase-II upgrade of the ATLAS Calorimeter system: detector concept, description and R&D and beam test results / Imam, Hajar (Universite Hassan II, Ain Chock (MA))
The particle flux increase (pile-up) at the HL-LHC with luminosities of L = 7.5 $\times$ 10$^{34}$ cm$^{-2}$ s$^{-1}$ will have a significant impact on the reconstruction of the ATLAS detector and on the performance of the trigger. [...]
ATL-HGTD-PROC-2021-001. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7559.
The ATLAS Tile Calorimeter performance and its upgrade towards the High Luminosity Large Hadron Collider / Mckenzie, Ryan Peter (University of the Witwatersrand (ZA))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2021-007. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7560.
Study of the $B_c^+\to J/\psi D_s^+$ and $B_c^+\to J/\psi D_s^{*+}$ decays in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A study of the $B_c^+\to J/\psi D_s^+$ and $B_c^+\to J/\psi D_s^{*+}$ decays using 139 fb$^{-1}$ of integrated luminosity collected with the ATLAS detector from $\sqrt{s} = 13$ TeV $pp$ collisions at the LHC is presented. [...]
ATLAS-CONF-2021-046. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7561.
A search for an unexpected asymmetry in the production of $e^+ \mu^-$ and $e^- \mu^+$ pairs in proton-proton collisions recorded by the ATLAS detector at $\sqrt s = 13~\mathrm{TeV}$
This search, a type not previously performed at ATLAS, uses a comparison of the production cross sections for $e^+ \mu^-$ and $e^- \mu^+$ pairs to constrain Beyond Standard Model physics processes. [...]
ATLAS-CONF-2021-045. - 2021. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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7562.
Measurements of Higgs boson production cross-sections in the $H\to\tau^{+}\tau^{-}$ decay channel in $pp$ collisions at $\sqrt{s}=13\,\text{TeV}$ with the ATLAS detector
Measurements of the production cross-sections of the Standard Model (SM) Higgs boson ($H$) decaying into a pair of $\tau$ leptons are presented. [...]
ATLAS-CONF-2021-044. - 2021. - 76 p.
Original Communication (restricted to ATLAS) - Full text
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7563.
Search for vector boson resonances decaying to a top quark and a bottom quark in the hadronic final state using $pp$ collisions at $\sqrt{s}~=~13$ TeV with the ATLAS detector
A search for a new charged massive gauge boson, $W'$, is performed with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2021-043. - 2021. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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7564.
Search for the Charged-Lepton-Flavor Violating decay $Z\rightarrow e\mu$ in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search is presented for the charged-lepton-flavor violating process $Z\rightarrow e\mu$ using 139~fb$^{-1}$ of $pp$ collision data collected with the ATLAS experiment at $\sqrt{s}=13$ TeV. [...]
ATLAS-CONF-2021-042. - 2021. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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7565.
Search for high-mass $W\gamma$ and $Z\gamma$ resonances in the hadronic final state using 139 fb$^{-1}$ of pp collisions at $\sqrt{s}$= 13 TeV with the ATLAS Detector
A search for high-mass charged and neutral bosons decaying to $W\gamma$ and $Z\gamma$ final states is presented in this note. [...]
ATLAS-CONF-2021-041. - 2021. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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7566.
Search for the single production of vector-like $T$ quarks decaying into $tH$ or $tZ$ with the ATLAS detector
This note describes a search for the single production of an up-type vector-like quark ($T$) decaying as $T \rightarrow Ht$ or $T \rightarrow Zt$. [...]
ATLAS-CONF-2021-040. - 2021. - 44 p.
Original Communication (restricted to ATLAS) - Full text
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7567.
Observation of $WWW$ production in $pp$ collisions at $\sqrt{s}$= 13 TeV with the ATLAS detector
This note presents the observation and the cross-section measurement of $WWW$ production using 139 fb$^{-1}$ of proton-proton collision data recorded at a center-of-mass energy of 13 TeV by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2021-039. - 2021. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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7568.
Measurement of the cross-section of the electroweak production of a $Z \gamma$ pair in association with two jets in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
This note presents the measurement of the cross-section of the electroweak production of a $Z \gamma$ pair in association with two jets. [...]
ATLAS-CONF-2021-038. - 2021. - 23 p.
Original Communication (restricted to ATLAS) - Full text
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7569.
Search for a light charged Higgs boson in t$\rightarrow$H^+b decays, with H^{+}$\rightarrow$cb, in the lepton+jets final state in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for a charged Higgs boson, $H^{\pm}$, produced in top-quark decays, $t \rightarrow H^{\pm}b$, is presented. [...]
ATLAS-CONF-2021-037. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7570.
Search for $H^{\pm} \rightarrow W^{\pm}A \rightarrow W^{\pm}\mu\mu$ in $pp \rightarrow t\overline{t}$ events using an $e\mu\mu$ signature with the ATLAS detector at $\sqrt{s}=13$ TeV
This note presents a search for a charged Higgs boson ($H^{\pm}$) decaying to a pseudoscalar particle ($A$) and a $W$ boson in top-quark pair events. [...]
ATLAS-CONF-2021-047. - 2021. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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7571.
Commissioning the Phase-1 LAr Upgrade / Kay, Ellis (University of Victoria (CA))
Liquid argon (LAr) sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region ${|\eta| < 3.2}$, and for hadronic and forward calorimetry in the region from ${|\eta| = 1.5}$ to ${|\eta| = 4.9}$. [...]
ATL-LARG-PROC-2021-004. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7572.
Development of the ATLAS Liquid Argon Calorimeter Electronics for the HL-LHC / Ambler, Alessandro (McGill University, (CA))
To meet new Trigger and Data Acquisition (TDAQ) buffering requirements and withstand the high expected radiation doses at the High-Luminosity Large Hadron Collider (HL-LHC), the ATLAS Liquid Argon (LAr) Calorimeter readout electronics will be upgraded. [...]
ATL-LARG-PROC-2021-005. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7573.
Radiation Field Study in ATLAS: Timepix measurements vs Geant4 simulations / Billoud, Thomas (Czech Technical University in Prague (CZ)) ; Bergmann, Benedikt Ludwig (Czech Technical University in Prague (CZ)) ; Dawson, Ian (University of London (GB)) ; Huhtinen, Mika (CERN) ; Leroy, Claude (Universite de Montreal (CA)) ; Menke, Sven (Max-Planck-Institut fur Physik (DE)) ; Pospisil, Stanislav (Czech Technical University in Prague (CZ)) - Timepix project coordinator, data pre-processing Timepix project representative Production of Geant4 data Timepix project representative
New methods to characterize radiation in the ATLAS experiment have been developed using Timepix detectors. [...]
ATL-SOFT-PROC-2021-019. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7574.
Multiboson measurements in ATLAS and CMS / Giannini, Antonio (Universita e sezione INFN di Napoli (IT))
The multiboson final states allow to perform several measurements and to probe the Standard Model (SM) predictions with the amount of data collected at the LHC. [...]
ATL-PHYS-PROC-2021-060. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - Full text - Full text - Full text - Fulltext from publisher
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7575.
Collectivity of soft probes in small systems / Bold, Tomasz (Akademia Gorniczo-Hutnicza (AGH) University of Science and Technology (UST), Cracow (PL))
The relativistic collisions of heavy ions revealed the existence of a new, dense and hot state of matter, the quark-gluon plasma (QGP). [...]
ATL-PHYS-PROC-2021-059. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7576.
Usage of Time Series Databases in the Grafana Platform for the Netis Service / Alexandrov, Evgeny (Joint Institute for Nuclear Research (RU)) ; Avolio, Giuseppe (CERN) ; Pozo Astigarraga, Eukeni (CERN)
NetIs is a service used to monitor the Data Acquisition network of the ATLAS experiment. [...]
ATL-DAQ-PROC-2021-007. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7577.
Constraining the Dark Sector with the Mono-jet signature with the ATLAS detector at the LHC / Pompa Pacchi, Elena (Dipartimento di Fisica • Università degli Studi di Roma "La Sapienza" ; Sezione di Roma • Istituto Nazionale di Fisica Nucleare (INFN))
This proceeding is written according to the poster presented at LHCP-2021 [...]
ATL-PHYS-PROC-2021-058. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7578.
Accounting and Monitoring Infrastructure for Distributed Computing in the ATLAS Experiment / Alekseev, Aleksandr (Universidad Andres Bello (CL)) ; Barberis, Dario (INFN e Universita Genova (IT)) ; Beermann, Thomas (Bergische Universitaet Wuppertal (DE))
The ATLAS experiment uses various tools to monitor and analyze the metadata of the main distributed computing applications. [...]
ATL-SOFT-PROC-2021-024. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7579.
METNet: A combined missing transverse momentum working point using a neural network with the ATLAS detector / Hodkinson, Benjamin Haslum (University of Cambridge (GB))
In order to suppress pile-up effects and improve resolution, the ATLAS experiment at the LHC employs a suite of working points for missing transverse momentum ($p_{\text{T}}^{\text{miss}}$) reconstruction, and each is optimal for different event topologies and different beam conditions. [...]
ATL-PHYS-PROC-2021-057. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7580.
Firmware of the ATLAS Level-0 Endcap Muon Trigger for HL-LHC / Mitsumori, Yuki (Graduate School of Science, Nagoya University (JP))
The design and the status of the development of the Level-0 endcap muon trigger firmware for the ATLAS experiment at the HL-LHC are presented. [...]
ATL-DAQ-PROC-2021-006. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7581.
The Development of a New Conditions Database Prototype for ATLAS Run3 Within the CREST Project / Mineev, Mikhail (Joint Inst. for Nuclear Research (RU)) ; Alexandrov, Evgeny (Joint Institute for Nuclear Research (RU)) ; Formica, Andrea (Université Paris-Saclay (FR)) ; Roe, Shaun (CERN)
The CREST project for a new conditions database prototype for Run3 (intended to be used for production in Run4) is focused on improvement of Athena based access, metadata management and, in particular, global tag management. [...]
ATL-SOFT-PROC-2021-023. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7582.
ATLAS Forward Proton Detectors - Special 2017 Low Pile-up Runs / Lewicki, Maciej Piotr (The Henryk Niewodniczański Institute of Nuclear Physics (IFJ) • Polish Academy of Sciences (PAN) (PL))
The performance of the ATLAS Forward Proton (AFP) Silicon Tracker detector is studied using the dedicated low-luminosity ATLAS LHC data collected in the 2017 running period of LHC Run~2. [...]
ATL-FWD-PROC-2021-001. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7583.
ATLAS and CMS searches beyond inclusive resonances in leptonic final states / Novak, Tadej (Deutsches Elektronen-Synchrotron (DE))
Non-resonant final states containing leptons can be used to probe for physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2021-056. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7584.
$HH$ non-resonant and self-coupling at ATLAS+CMS / Pereira Sanchez, Laura (Stockholm University (SE))
Measuring Higgs pair production (HH) will provide information about the Higgs self coupling, which is key to determine the shape of the Higgs potential at higher order. [...]
ATL-PHYS-PROC-2021-055. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7585.
EFT Results from ATLAS / Barranco Navarro, Laura (Oskar Klein Centre for Cosmo Particle Physics (OKC) • Stockholm University)
Among all the elementary particles that conform the Standard Model of particle physics, the top quark can provide key information on fundamental interactions at the electroweak symmetry-breaking scale and beyond. [...]
ATL-PHYS-PROC-2021-054. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7586.
Search for Dark Matter produced in association with a Higgs boson decaying to 𝒃-quarks using the ATLAS detector / Von Ahnen, Janik (Deutsches Elektronen-Synchrotron (DE))
Many extensions of the Standard Model predict the production of Dark Matter in association with Higgs bosons. [...]
ATL-PHYS-PROC-2021-053. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fullttext from publisher
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7587.
Top production and decay / Menke, Sven (Max-Planck-Institut für Physik (DE))
Measurements of inclusive and differential production cross-sections of top-quarks in pairs and in single top-quark modes as well as properties of their subsequent decays at the LHC are presented. [...]
ATL-PHYS-PROC-2021-052. - 2021. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7588.
Search for flavor-changing neutral-current couplings between the top quark and the Z boson with LHC Run2 proton-proton collisions at $\sqrt{s} = 13\,\text{TeV}$ with the ATLAS detector
A search for flavor-changing neutral-current couplings between a top quark, an up or charm quark and a $Z$ boson is presented, using proton-proton collision data at $\sqrt{s} = 13\,\text{TeV}$ collected by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2021-049. - 2021. - 32 p.
Original Communication (restricted to ATLAS) - Full text
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7589.
Search for heavy resonances in four-top-quark final states in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for associated production of a heavy $Z'$ boson with a top-antitop-quark pair $(t\bar{t}Z')$, and decaying into a $t\bar{t}$ pair is presented. [...]
ATLAS-CONF-2021-048. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7590.
Recent Results in Single Top Production at the LHC / Gonzalvo Rodriguez, Galo Rafael (Instituto de Física Corpuscular (IFIC) • CSIC/Universidad de Valencia)
This document presents the most recent results in the field of single-top-quark production using data recorded by both the ATLAS and CMS detectors at the LHC. [...]
ATL-PHYS-PROC-2021-051. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7591.
Top Quarks + X Summary Plots September 2021
This note presents summary plots for cross section measurements performed in the ATLAS Top Quarks+X sub-group as of September 2021..
ATL-PHYS-PUB-2021-037. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7592.
Experimental Effective Field Theory Results / Morange, Nicolas (Laboratoire de Physique des 2 Infinis Irène Joliot-Curie, Orsay (FR))
The framework of Effective Field Theory (EFT) Lagrangians is an effective and systematic way to search for beyond the Standard Model physics at the LHC using distributions of events in many topologies. [...]
ATL-PHYS-PROC-2021-050. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7593.
The ATLAS Level-1 topological processor: experience and upgrade plans / Martínez Suárez, Paula (Institut de Física d'Altes Energies (IFAE) • Universitat Autònoma de Barcelona (ES))
During Run 2 the Large Hadron Collider (LHC) has provided, at the World's energy frontier, proton-proton collisions to the ATLAS experiment with high instantaneous luminosities of up to $2.1\times10^{34}$ cm$^{−2}$s$^{-1}$, placing stringent operational and physical requirements on the ATLAS trigger system in order to reduce the 40 MHz collision rate to a manageable event storage rate of 1 kHz, while not rejecting interesting collisions. [...]
ATL-DAQ-PROC-2021-005. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7594.
Development of the ATLAS Event Picking Server / Alexandrov, Evgeny (Joint Institute for Nuclear Research (RU)) ; Alexandrov, Igor (Joint Inst. for Nuclear Research (RU)) ; Barberis, Dario (INFN e Universita Genova (IT)) ; Prokoshin, Fedor (Joint Institute for Nuclear Research (RU)) ; Yakovlev, Alexandre
During LHC Run 2, the ATLAS experiment collected almost 20 billion real data events and produced about three times more simulated events. [...]
ATL-SOFT-PROC-2021-022. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7595.
Performance testing framework for the ATLAS EventIndex / Cherepanova, Elizaveta (Joint Institute for Nuclear Research (RU)) ; Prokoshin, Fedor (Joint Institute for Nuclear Research (RU))
The ATLAS EventIndex is going to be upgraded in advance of LHC Run 3. [...]
ATL-SOFT-PROC-2021-021. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7596.
$t\bar{t}X$ results from ATLAS and CMS / Falke, Peter Johannes (Physikalisches Institut • Rheinische Friedrich-Wilhelms-Universität Bonn)
The associated production of top-quark pairs with $W$ bosons or heavy-flavour jets are rare Standard Model phenomena compared to the inclusive top-quark pair production. [...]
ATL-PHYS-PROC-2021-049. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7597.
ATLAS Top Working Group EFT summary plots Summer 2021
This note presents figures that summarise the limits on effective field theory (EFT) operators derived from measurements of the ATLAS top working group. [...]
ATL-PHYS-PUB-2021-036. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7598.
The ATLAS EventIndex using the Hbase/Phoenix storage solution / ATLAS Collaboration
The ATLAS EventIndex provides a global event catalogue and event-level metadata for ATLAS analysis groups and users. [...]
ATL-SOFT-PROC-2021-020. - 2021. - 10 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7599.
Highlights and perspectives from the ATLAS Experiment / Vincter, Manuella (Carleton University (CA))
The ATLAS Experiment is preparing for the upcoming Run 3 of CERN’s Large Hadron Collider, while at the same time fully exploiting the abundant and now well-understood Run-2 dataset. [...]
ATL-PHYS-PROC-2021-048. - 2021. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7600.
Triggering in ATLAS in Run 2 and Run 3 / Nobe, Takuya (International Center for Elementary Particle Physics (ICEPP) • University of Tokyo (JP))
\abstract{The ATLAS experiment at the LHC records about 1~kHz of physics collisions, out of the LHC design bunch crossing rate of 40~MHz. [...]
ATL-DAQ-PROC-2021-008. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7601.
Higgs CP studies at ATLAS and CMS experiments / Moreno Llácer, María (Instituto de Física Corpuscular (IFIC) • CSIC/Universidad de Valencia)
Understanding the properties of CP symmetry of the Higgs boson interactions is one of the most important topics in particle physics today. [...]
ATL-PHYS-PROC-2021-063. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7602.
Probing Physics beyond the Standard Model: A Search for Lepton-Flavour-Violating $Z\to\ell\tau$ Decays with the ATLAS Experiment / Perrevoort, Ann-Kathrin (Nikhef National institute for subatomic physics (NL) ; Radboud Universiteit Nijmegen (NL))
In the Standard Model, lepton flavour is conserved in all interactions. [...]
ATL-PHYS-PROC-2021-062. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7603.
Development of the Configuration, Calibration and Monitoring System of the New Small Wheel Electronics for the ATLAS experiment / Tzanis, Polyneikis (National Technical Univ. of Athens (GR) ; Brookhaven National Laboratory (BNL), US)
A series of upgrades are planned for the LHC accelerator to increase the instantaneous luminosity to $7.5\times10^{34}cm^{-2}s^{-1}$. [...]
ATL-MUON-PROC-2021-005. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7604.
Physics motivations and detector upgrades for the new era of the ATLAS experiment / Donadelli, Marisilvia (Instituto de Fisica, Universidade de Sao Paulo (BR))
With the end of Run 2, the LHC has delivered only 4\% of the collision data expected to be available during its lifetime. [...]
ATL-UPGRADE-PROC-2021-002. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Fulltext from publisher
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7605.
Development of DAQ to DCS communication in the ATLAS Inner Tracker / Palazzo, Alessandra (Sezione di Lecce • Istituto Nazionale di Fisica Nucleare (INFN) ; Dipartimento di Fisica • Università del Salento)
The increase of luminosity foreseen for the High-Luminosity LHC phase requires the substitution of the ATLAS Inner Detector with a new tracking detector, called Inner Tracker. [...]
ATL-ITK-PROC-2021-008. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7606.
Performance of the ATLAS RPC detector and L1 Muon Barrel trigger at 13 TeV / Sessa, Marco (Universita e INFN Roma Tre (IT))
Resistive Plate Chambers (RPCs) are fast gaseous detectors that are employed by the Level-1 muon trigger system in the barrel region of the ATLAS muon spectrometer. [...]
ATL-MUON-PROC-2021-004. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7607.
Upgrade of ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Mckenzie, Ryan Peter (University of the Witwatersrand (ZA))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. [...]
ATL-TILECAL-PROC-2021-008. - 2021. - 5 p.
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7608.
Searches for Axion Like Particles at the LHC / Schmieden, Kristof (Johannes Gutenberg Universitaet Mainz (DE))
Searching for axion-like particles is a very active field, as they are a potential candidate for dark matter. [...]
ATL-PHYS-PROC-2021-061. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7609.
Searches for displaced and delayed signatures at the LHC / Rosten, Rachel Christine (Ohio State University (US))
A wide varity of physics models give rise to particles with long lifetimes. [...]
ATL-PHYS-PROC-2021-067. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7610.
ATLAS Open Data – a genuinely collaborative approach for the creation of educational resources / Evans, Meirin Oan (University of Sussex (GB))
The ATLAS Open Data project aims to deliver open-access resources for education and outreach in High Energy Physics and related computer sciences. [...]
ATL-OREACH-PROC-2021-001. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7611.
A High Granularity Timing Detector for the ATLAS detector Phase-II upgrade / Imam, Hajar (Universite Hassan II, Ain Chock (MA))
To boost the performance of the Large Hadron Collider and increase the potential of discoveries after 2027, the High Luminosity LHC project has been announced, with the aim of increasing the luminosity by a factor of 10 above the design value of the LHC. [...]
ATL-HGTD-PROC-2021-002. - 2021. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7612.
Implementation of simplified likelihoods in HistFactory for searches for supersymmetry
A procedure for the construction of simplified likelihoods for re-interpretation of ATLAS searches for supersymmetry is presented in this note. [...]
ATL-PHYS-PUB-2021-038. - 2021. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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7613.
Combination of measurements of Higgs boson production in association with a $W$ or $Z$ boson in the $ b\bar{b}$ decay channel with the ATLAS experiment at $\sqrt{s}=13$ TeV
A combination of measurements of associated production of a Standard Model Higgs boson with an electroweak gauge boson, $W$ or $Z$, is presented, targeting Higgs boson decays to bottom quarks and $W$ or $Z$ boson decays to leptons. [...]
ATLAS-CONF-2021-051. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7614.
Differential $t\bar{t}$ cross-section measurements using boosted top quarks in the all-hadronic final state with 139 fb$^{-1}$ of ATLAS data
Measurements are presented of single-, double-, and triple-differential cross-sections for boosted top-quark pair-production in 13 TeV LHC proton-proton collisions recorded by the ATLAS detector. [...]
ATLAS-CONF-2021-050. - 2021. - 83 p.
Original Communication (restricted to ATLAS) - Full text
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7615.
Measurements of collective behavior in pp, Xe+Xe, and Pb+Pb collisions with the ATLAS detector / Bhatta, Somadutta (Stony Brook University (US))
ATLAS measurements of collective, flow phenomena in a variety of collision systems, including $pp$ collisions at 13 TeV, Xe+Xe collisions at 5.44 TeV, and Pb+Pb collisions at 5.02 TeV are presented. [...]
ATL-PHYS-PROC-2021-066. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7616.
Module development for the ATLAS ITk Pixel Detector / Mobius, Silke (Georg August Universitaet Goettingen (DE))
After the upgrade of the LHC to the High-Luminosity-LHC (HL-LHC), the instantaneous luminosity will reach unprecedented values, resulting in about 200 proton-proton interactions in a typical bunch crossing. [...]
ATL-UPGRADE-PROC-2021-003. - 2022. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7617.
Recent measurements of the top quark mass and Yukawa coupling using the ATLAS and CMS detectors at the LHC / Negrini, Matteo (Universita e INFN, Bologna (IT))
An overview of recent measurements of the mass and Yukawa coupling of the top quark is presented. [...]
ATL-PHYS-PROC-2021-065. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7618.
CP violation with the ATLAS and CMS experiments / Barton, Adam Edward (Lancaster University (GB))
In the Standard Model of particle physics, CP violation arises due to a single complex phase in the Cabibbo-Kobayashi-Maskawa (CKM) quark mixing matrix. [...]
ATL-PHYS-PROC-2021-064. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7619.
The New Small Wheel Detector Control System of the ATLAS experiment / Paraskevopoulos, Christos (National Technical Univ. of Athens (GR) ; Brookhaven National Laboratory (US))
A series of upgrades are planned for the LHC accelerator to increase it's instantaneous luminosity to 7.5x10^34cm^-2s^-1. [...]
ATL-MUON-PROC-2021-006. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Fulltext from publisher
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7620.
Triggering in ATLAS in Run 2 and Run 3 / Okumura, Yasuyuki (University of Tokyo (JP))
The ATLAS experiment at the LHC can record about 1~kHz of physics collisions, out of the LHC design bunch crossing rate of 40~MHz. [...]
ATL-DAQ-PROC-2021-011. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7621.
Measurement of light-by-light scattering in ultra-peripheral Pb+Pb collisions with the ATLAS detector / Dyndal, Mateusz (AGH University of Science and Technology (PL))
In ultra-relativistic heavy-ion collisions, one expects copious rates of $\gamma\gamma$ processes through the interaction of the large electromagnetic fields of the nuclei which can lead to light-by-light scattering via loop diagrams. [...]
ATL-PHYS-PROC-2021-071. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7622.
The Trigger performance monitoring and rate predictions preparation for Run 3 at ATLAS experiment / Poreba, Aleksandra (AGH University of Science and Technology (PL))
Bespoke Cost Monitoring software collates data on the performance of all aspects of the ATLAS experiment's High Level Trigger software. [...]
ATL-DAQ-PROC-2021-010. - 2021. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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7623.
Measurements and interpretations of Simplified Template Cross Sections, differential and fiducial cross sections in Higgs-boson decays to two photons with the ATLAS detector / Rossi, Eleonora (Annecy, LAPP)
Higgs-boson decays to two photons can be selected with high efficiency and the very good invariant mass resolution allows a robust subtraction of the backgrounds. [...]
ATL-PHYS-PROC-2021-070. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7624.
Background Modelling in the ATLAS $H\rightarrow\gamma\gamma$ Differential Cross Section Analysis / Gillwald, Nils (Deutsches Elektronen-Synchrotron (DE))
Measurements of fiducial integrated and differential cross sections of the Higgs boson decaying into a pair of photons are presented with an emphasis on discussing the background modelling strategy. [...]
ATL-PHYS-PROC-2021-069. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7625.
Studies on readout channel thresholds of resistive MicroMegas for ATLAS Muon Spectrometer / Camerlingo, Maria Teresa (Universita e INFN Roma Tre (IT) ; CERN)
ATLAS New Small Wheels upgrade project plans to replace the inner parts of the end-caps of the ATLAS Muon Spectrometer with new detector structures equipped by a combination of small-strip Thin Gap Chambers (sTGC) and resistive MicroMegas (MM) detectors. [...]
ATL-MUON-PROC-2021-007. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7626.
Nucleon Structure and Soft QCD from ATLAS / Sopczak, Andre (Institute of Experimental and Applied Physics, Czech Technical University in Prague (CZ))
The ATLAS Collaboration has performed several analyses of nucleon structure and soft QCD. [...]
ATL-PHYS-PROC-2021-068. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7627.
A High-Granularity Timing Detector for the ATLAS Phase-II upgrade / Aboulhorma, Asmaa (Mohammed V University-Agdal (MVU-A), Rabat, Morocco.)
The increase of the particle flux (pile-up) at the HL-LHC with instantaneous luminosities up to $ 7.5 \times 10^{34}$$cm{^−2}$$s^{−1}$ will have a severe impact on the ATLAS detector reconstruction and trigger performance. [...]
ATL-HGTD-PROC-2021-003. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7628.
Performance of the Tile Calorimeter Demonstrator system for the ATLAS Phase-II Upgrade / Nkadimeng, Edward Khomotso (University of the Witwatersrand (ZA))
The High Luminosity Large Hadron Collider (HL-LHC) will deliver five times the LHC nominal instantaneous luminosity, after a series of upgrades scheduled to take place in the 2025 - 2027 during the long shutdown. [...]
ATL-TILECAL-PROC-2021-009. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7629.
The ATLAS Muon Trigger Design and Performance / Wakida, Moe (Nagoya University (JP))
Muon triggers are essential for studying a variety of physics processes in the ATLAS experiment, including both standard model measurements and searches for new physics. [...]
ATL-DAQ-PROC-2021-009. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7630.
Testing of the Micromegas detector trigger electronics for the New Small Wheel Phase I upgrade of ATLAS detector / Tzanos, Stamatios (National Technical Univ. of Athens (GR) ; Brookhaven National Laboratory (US))
In conjunction with the High Luminosity upgrade of the LHC, the ATLAS detector is also undergoing an upgrade to handle the significantly higher data rates. [...]
ATL-MUON-PROC-2021-012. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7631.
Study of the $\cal{CP}$ properties of the top quark Yukawa interaction in $t\bar{t}H$ and $tH$ events with $H\to~\gamma\gamma$ / Miralles Lopez, Marcos (Univ. of Valencia and CSIC (ES))
These procedings present the first search for $\cal{CP}$-violation in the top Yukawa coupling using $t\bar{t}H$ and $tH$ production modes in the diphoton decay channel ($H\to\gamma\gamma$). [...]
ATL-PHYS-PROC-2021-080. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7632.
FELIX and the SW ROD: commissioning the new detector interface for the ATLAS trigger and readout system / Panduro Vazquez, J.G. (University of London (GB))
After the current LHC shutdown (2019-2022), the ATLAS experiment will be required to operate in an increasingly harsh collision environment. [...]
ATL-DAQ-PROC-2021-013. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7633.
Calibration of flavour tagging algorithms in ATLAS on $t\bar{t}$ and $Z$+jets final states / Pereira Sanchez, Laura (Stockholm University (SE))
The correct identification of $b$-initiated jets ($b$-jets) against $c$-initiated ($c$-jets), hadronic tau-initiated (tau-jets) and $u$-, $d$-, $s$-initiated jets (light-jets) is primordial for ATLAS Collaboration searches and precision measurements e.g. [...]
ATL-PHYS-PROC-2021-079. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7634.
The Control System of the New Small Wheel Electronics for the ATLAS experiment / Tzanis, Polyneikis (Natl. Tech. U., Athens ; Brookhaven Natl. Lab.)
The present ATLAS Small Wheel Muon detector will be replaced with a New Small Wheel(NSW) detector in order to cope up with the future LHC runs of high luminosity.One crucial part of the integration procedure concerns the validation of the electronics for a system with more than 2.1 M electronic channels. [...]
ATL-MUON-PROC-2021-011. - 2021. - 6 p.
Full text
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7635.
Full-system commissioning of TGC frontend electronics for Phase-2 LHC-ATLAS / Aoki, Takumi (University of Tokyo (JP))
The Thin Gap Chamber (TGC) system of the LHC-ATLAS is responsible for triggering muons in the endcap region at the hardware trigger stage. [...]
ATL-MUON-PROC-2021-010. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7636.
Control System of Upgraded High Voltage for Atlas Tile Calorimeter / Martins, Filipe (LIP, Lisbon) ; Mendes De Oliveira Cuim, Filipe (LIP, Lisbon) ; Gaspar De Andrade Evans, Guiomar (LIP, Lisbon) ; Serrano Fernandez, Rui Paulo (LIP, Lisbon) ; Da Silva Gomes, Agostinho (LIP, Lisbon) ; Soares Augusto, Jose Antonio (U. Lisbon) ; Da Silva Gurriana, Luis Miguel (LIP, Lisbon)
The preparation of the upgrade of the ATLAS electronics for High Luminosity LHC is in full swing. [...]
ATL-TILECAL-PROC-2021-014. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7637.
ATLAS Level-0 Endcap Muon Trigger for HL-LHC / Mino, Yuya (Kyoto University (JP))
The design of the Level-0 endcap muon trigger for the ATLAS experiment at High Luminosity LHC (HL-LHC) and the status of the development are presented. [...]
ATL-DAQ-PROC-2021-012. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7638.
Evidence for four-top-quarks production with the ATLAS detector at the Large Hadron Collider / Sabatini, Paolo (Univ. of Valencia and CSIC (ES))
The outstanding performance of the LHC during Run~2 data taking let the ATLAS Experiment to collect a massive dataset of ${p}{p}$ collision at $\sqrt{s}=13$ TeV. [...]
ATL-PHYS-PROC-2021-078. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7639.
Searches for additional Higgs bosons in ATLAS 1 / Daneri, Maria Florencia (Universidad de Buenos Aires (AR))
The discovery of the Higgs boson with the mass of about 125 GeV completed the particle content predicted by the Standard Model. [...]
ATL-PHYS-PROC-2021-077. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7640.
The Demonstrator of the HL-LHC ATLAS Tile Calorimeter / Tsotskolauri, Pavle (Tbilisi State U.)
The High Luminosity Large Hadron Collider (HL-LHC) has motivated R&D to upgrade the ATLAS Tile Calorimeter. [...]
ATL-TILECAL-PROC-2021-013. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7641.
Higgs Measurements / Tackmann, Kerstin (Deutsches Elektronen-Synchrotron (DE))
These proceedings report on recent analyses of the Higgs sector by the ATLAS and CMS experiments at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2021-076. - 2021. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7642.
Operational Experience and Performance with the ATLAS Pixel Detector at the Large Hadron Collider at CERN / Bisanz, Tobias (CERN)
The ATLAS Pixel Detector is the innermost part of the ATLAS Detector at the Large Hadron Collider (LHC) at CERN. [...]
ATL-INDET-PROC-2021-001. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7643.
Performance and calibration of the ATLAS Tile Calorimeter / Gomez Delegido, Antonio Jesus (Univ. of Valencia and CSIC (ES))
The Tile Hadronic Calorimeter covers the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2021-012. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7644.
Photon identification with the ATLAS detector / Wendland, Bjoern (Technische Universitaet Dortmund (DE))
Good photon identification capabilities are important for many aspects of the ATLAS physics programme, including measurements of fundamental properties of the hard interaction in final states with one or more photons, possibly produced in association with jets or gauge bosons. [...]
ATL-PHYS-PROC-2021-075. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7645.
R\&D Studies for the Atlas Tile Calorimeter Daughterboard / Valdes Santurio, Eduardo (Stockholm University (SE)) ; Silverstein, Samuel (Stockholm University (SE)) ; Bohm, Christian (Stockholm University (SE)) ; Dunne, Katherine Elaine (Stockholm University (SE)) ; Lee, Suhyun (Stockholm University (SE))
The ATLAS Hadronic Calorimeter Daughterboard (DB) interfaces the on-detector with the off-detector electronics. [...]
ATL-TILECAL-PROC-2021-011. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7646.
ATLAS measurements of CP violation with beauty mesons / Novotny, Radek (University of New Mexico (US))
The ATLAS experiment has performed measurements of the $CP$-violation phase $\phi_s$ and other physics parameters describing $B_s$ mixing in the $B_s^0\rightarrow J/\psi(\mu^+\mu^-)\phi(K^+ K^-)$ channel using data collected by the ATLAS detector from 13 TeV $pp$ collisions at the LHC with integrated luminosity of 80.5 $\mathrm{fb^{-1}}$. [...]
ATL-PHYS-PROC-2021-074. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7647.
ATLAS results on charmonium production and $B^+_c$ meson production and decays / Lyubushkina, Tatiana (Joint Institute for Nuclear Research (RU))
Recent results from the proton-proton collision data taken by the ATLAS experiment on the charmonium production and on the $B_c^+$ meson production and decays are presented. [...]
ATL-PHYS-PROC-2021-073. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7648.
Test of ATLAS Micromegas detectors with a ternary gas mixture at the CERN GIF++ facility / Vogel, Fabian (Ludwig Maximilians Universitat (DE))
The ATLAS collaboration at LHC has chosen the resistive Micromegas technology, along with the small-strip Thin Gap Chambers (sTGC), for the high luminosity upgrade of the first muon station in the high-rapidity region, the New Small Wheel (NSW) project. [...]
ATL-MUON-PROC-2021-009. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7649.
The New Small Wheel upgrade project of the ATLAS Experiment / D'Amico, Valerio (Universita e INFN Roma Tre (IT))
The ATLAS experiment is currently upgrading the first muon station in the high-rapidity region with the construction of new detector structures, named New Small Wheels (NSW), based on large-size multi-gap resistive strips Micromegas technology and small-strip Thin Gap Chambers (sTGC). [...]
ATL-MUON-PROC-2021-008. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7650.
The HL-LHC Upgrade of the ATLAS Tile Hadronic Calorimeter / Bogavac, Danijela (The Barcelona Institute of Science and Technology (BIST) (ES))
The High-Luminosity phase of LHC, delivering five times the LHC nominal instantaneous luminosity, is scheduled to begin in late 2027. [...]
ATL-TILECAL-PROC-2021-010. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7651.
Search for light charged Higgs boson in $t\rightarrow H^{\pm} + b (H^{\pm}\rightarrow cb)$ decays with the ATLAS detector at LHC / Ivina, Anna (Weizmann Institute of Science (IL))
A search for light charged Higgs boson (60$\leq m_{H^{\pm}}\leq$160~GeV) in $t \rightarrow bH^{\pm}$ decay is presented. [...]
ATL-PHYS-PROC-2021-072. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7652.
Extrapolation of ATLAS sensitivity to $H\rightarrow b\bar{b}$ and $H\rightarrow c\bar{c}$ decays in $VH$ production at the HL-LHC
The expected sensitivity of the measurements of Higgs boson decays into $b\bar{b}$ and $c\bar{c}$ with the ATLAS detector at the HL-LHC is estimated by extrapolating the results obtained using a dataset of $\sqrt{s}=13\,\mathrm{TeV}$ $pp$ collisions corresponding to an integrated luminosity of $139\,\mathrm{fb^{-1}}$. [...]
ATL-PHYS-PUB-2021-039. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7653.
Combination of searches for non-resonant and resonant Higgs boson pair production in the $b\bar{b}\gamma\gamma$, $b\bar{b}\tau^{+}\tau^{-}$ and $b\bar{b}b\bar{b}$ decay channels using $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
This note presents a combination of searches for Higgs boson pair production using 126-139 $\mathrm{fb}^{-1}$ of proton-proton collision data recorded with the ATLAS detector at a center-of-mass energy of $\sqrt{s}=$ 13 TeV at the LHC. [...]
ATLAS-CONF-2021-052. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7654.
Measurement of the Higgs boson coupling to $\tau$-leptons in proton--proton collisions at $\sqrt{s} = 13\,\text{TeV}$ with the ATLAS detector at the LHC / Sauerburger, Frank (Albert Ludwigs Universitaet Freiburg (DE))
The Standard Model decay of the Higgs boson to leptons has been observed in the decay to a pair of $\tau$-leptons. [...]
ATL-PHYS-PROC-2021-081. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7655.
Measurements of differential cross-sections for top-quark pair production in association with additional jets in highly boosted events using the ATLAS detector / Jamieson, Jonathan (University of Glasgow (GB))
Top anti-top pair production at the Large Hadron Collider is often observed in the presence of additional high energy radiation. [...]
ATL-PHYS-PROC-2021-090. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7656.
The impact of ATLAS $V$+jet measurements on PDF fits / Conroy, Eimear Isobel (University of Oxford (GB))
The production of $W$/$Z$-bosons in association with jets is an important test of perturbative QCD predictions and also yields information about the parton distribution functions (PDFs) of the proton. [...]
ATL-PHYS-PROC-2021-089. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7657.
The phase-1 upgrade of the ATLAS level-1 calorimeter trigger / Smith, Emily Ann (University of Chicago (US))
The ATLAS level-1 calorimeter trigger (L1Calo) is a hardware-based system that identifies events containing calorimeter-based physics objects, including electrons, photons, taus, jets, and missing transverse energy. [...]
ATL-DAQ-PROC-2021-014. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7658.
Search for $W^{\prime}\to t b$ decays in the hadronic final state with the ATLAS detector / Lin, Kuan-Yu (Michigan State University (US))
A search for $W^{\prime}$ production with decay to a top quark and a bottom quark in proton-proton collisions at $\sqrt{s}$=13 TeV with the ATLAS detector is presented. [...]
arXiv:2201.10343 ; ATL-PHYS-PROC-2022-010 ; ATL-PHYS-PROC-2021-088. - 2022-02-24. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Fulltext - Fulltext
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7659.
The performance and operational experience of ATLAS SemiConductor Tracker in Run-2 at LHC / Grancagnolo, Sergio (Humboldt University of Berlin (DE)) ; ATLAS SCT Collaboration
The performance of ATLAS SemiConductor Tracker (SCT) in Run-2 at Large Hadron Collider (LHC) has been reviewed during the current long shutdown. [...]
ATL-INDET-PROC-2021-003. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7660.
Search for a resonance in the di-Higgs channel decaying into $\gamma \gamma \bar{b}b$ with the ATLAS detector / Hulsken, Raphael (Centre National de la Recherche Scientifique (FR))
In 2012, the ATLAS and CMS experiments jointly discovered the Higgs boson, a key particle of the Standard Model (SM) of particle physics. [...]
ATL-PHYS-PROC-2021-087. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7661.
Search for rare decays of the Higgs boson with the ATLAS detector / Basalaev, Artem (Deutsches Elektronen-Synchrotron (DE))
The Standard Model predicts several rare Higgs boson decay channels, some of which are currently within experimental reach. [...]
ATL-PHYS-PROC-2021-086. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7662.
Higgs couplings to fermions and bosons (including inclusive cross sections, coupling combinations, spin/CP measurements of couplings) at the LHC / Ordek, Serhat (Uppsala University (SE))
With the full Run 2 pp collision dataset collected at 13 TeV, very detailed measurements of Higgs boson properties can be performed using its decays into bosons and fermions. [...]
ATL-PHYS-PROC-2021-085. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7663.
Dark Sector searches with jets / Von Ahnen, Janik (Deutsches Elektronen-Synchrotron (DE))
The presence of a non-baryonic Dark Matter (DM) component in the Universe is inferred from the observation of its gravitational interaction. [...]
ATL-PHYS-PROC-2021-084. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7664.
Measurements of the inclusive and differential production cross sections of a top-quark-antiquark pair in association with a $Z$ boson at $\sqrt{s} = 13$ TeV with the ATLAS detector / Mince, Laurynas (University of Glasgow (GB))
Measurements of the inclusive and differential production cross sections of a top-quark-antiquark pair in association with a $Z$ boson (\ttZ) are presented in these proceedings. [...]
ATL-PHYS-PROC-2021-083. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7665.
Machine Learning for Real-Time Processing of ATLAS Liquid Argon Calorimeter Signals with FPGAs / Chiedde, Nemer (Centre National de la Recherche Scientifique (FR))
The ATLAS experiment at CERN measures energy of proton–proton (P-P) collisions with a repetition frequency of 40 MHz at the Large Hadron Collider (LHC). [...]
ATL-LARG-PROC-2021-007. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7666.
Modeling Radiation Damage to Pixel Sensors in the ATLAS Detector / Dado, Tomas (Technische Universitaet Dortmund (DE))
Silicon pixel detectors are at the core of the current and planned upgrade of the ATLAS detector at the Large Hadron Collider (LHC). [...]
ATL-INDET-PROC-2021-002. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7667.
ATLAS LAr Calorimeter Commissioning for LHC Run-3 / Mungo, Davide Pietro (Università degli Studi e INFN Milano (IT))
Liquid argon (LAr) sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region $|\eta| < 3.2$, and for hadronic and forward calorimetry in the region from $|\eta| = 1.5$ to $|\eta| < 4.9$ [...]
ATL-LARG-PROC-2021-006. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7668.
New results on the modification of jet structure in Heavy Ion collisions / Santos, Helena (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT))
These proceedings report recent studies performed by the ALICE, ATLAS and CMS experiments on jet substructure in pp and Pb+Pb collisions at 5.02 TeV. [...]
arXiv:2111.05717. - 2021-11-17. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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7669.
The HV DCS System for the New Small Wheel Upgrade of the ATLAS ExperimentThe High Voltage DCS System for the New Small Wheel upgrade of the ATLAS experiment / Karentzos, Efstathios (Albert Ludwigs Universitaet Freiburg (DE))
The ATLAS muon spectrometer will exceed its design capabilities in the high background radiation as expected during the upcoming runs and at HL-LHC. [...]
ATL-MUON-PROC-2021-014. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7670.
The New Small Wheel Low Voltage Power supply DCS for the ATLAS experiment / Paraskevopoulos, Christos (Natl. Tech. U., Athens ; Brookhaven Natl. Lab.)
The present ATLAS Small Wheel detector will be replaced with the New Small Wheel(NSW) which is expected to be installed in the ATLAS underground cavern by the end of the LS2. [...]
ATL-MUON-PROC-2021-013. - 2022. - 3 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7671.
Upgrade of the ATLAS Tile Calorimeter High Voltage System / Da Silva Gomes, Agostinho (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT)) ; Soares Augusto, Jose Antonio (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT)) ; Mendes De Oliveira Cuim, Filipe (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT)) ; Gaspar De Andrade Evans, Guiomar (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT)) ; Serrano Fernandez, Rui Paulo (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT)) ; Da Silva Gurriana, Luis Miguel (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT)) ; Fernandes Marques, Rui Miguel (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT)) ; Martins, Filipe (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT)) ; Ponte Pereira, Catarina Jose (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT))
The High Voltage (HV) system of TileCal, the ATLAS central hadron calorimeter, is being upgraded for the High-Luminosity LHC, in the so called Phase II Upgrade. [...]
ATL-TILECAL-PROC-2021-015. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7672.
Hardware Design of the Generic Rear Transition Module for the Global Trigger System of the ATLAS Phase II Upgrade / Yin, Weigang (Brookhaven National Laboratory (US)) ; Tang, Shaochun (Brookhaven National Laboratory (US)) ; Bonini, Filiberto (Brookhaven National Laboratory (US)) ; Begel, Michael (Brookhaven National Laboratory (US)) ; Benoit, Mathieu (Brookhaven National Laboratory (US)) ; Matakias, Dimitrios (Brookhaven National Laboratory (US)) ; Zhivun, Elena (Brookhaven National Laboratory (US)) ; Xu, Hao (Brookhaven National Laboratory (US)) ; Chen, Hucheng (Brookhaven National Laboratory (US))
The High-Luminosity Large Hadron Collider (HL-LHC) is expected to start operations in the middle of 2027, to deliver more than ten times the integrated luminosity of the LHC Runs 1-3 combined (up to 4000 fb−1). [...]
ATL-DAQ-PROC-2021-015. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7673.
Combined measurements of Higgs boson production and decay using up to $139$ fb$^{-1}$ of proton-proton collision data at $\sqrt{s}= 13$ TeV collected with the ATLAS experiment
A combination of measurements of Higgs boson production cross sections and branching fractions is presented. [...]
ATLAS-CONF-2021-053. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7674.
ATLAS towards the High Luminosity era: challenges on electronic systems / Solans Sanchez, Carlos (CERN)
To maximize the physics reach, the LHC plans to increase its instantaneous luminosity to $7.5\times10^{34}$cm$^{-2}$s$^{-1}$, delivering from 3 to 4 ab$^{-1}$ of data at $\sqrt{s}=$14 TeV. [...]
ATL-UPGRADE-PROC-2021-004. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7675.
Search for Heavy Higgs Bosons Decaying into Two Tau Leptons with the ATLAS Detector using ${\rm pp}$ Collisions at $\sqrt{{\rm s}}=13$ TeV / Ye, Hanfei (Nanjing University (CN))
A search for heavy neutral Higgs bosons is performed using the LHC Run 2 data, corresponding to an integrated luminosity of 139 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}=13$ TeV recorded by the ATLAS detector. [...]
ATL-PHYS-PROC-2021-092. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7676.
EW SUSY Production at the LHC / Pacey, Holly (University of Cambridge (GB))
The direct production of electroweak SUSY particles, including sleptons, charginos, and neutralinos, is a particularly interesting area of search at the LHC. [...]
ATL-PHYS-PROC-2021-091. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7677.
Upgrade of the RPC detectors data collection and transmission electronics for the ATLAS experiment at High Luminosity LHC / Corradi, Massimo (Sapienza Universita e INFN, Roma I (IT)) ; Gkountoumis, Panagiotis (CERN) ; Kyriakis-Bitzaros, Efstathios (University of West Attica (GR)) ; Longarini, Iacopo (Sapienza Universita e INFN, Roma I (IT)) ; Mesolongitis, Ioannis (University of West Attica (GR)) ; Morodei, Federico (Sapienza Universita e INFN, Roma I (IT)) ; Vari, Riccardo (Sapienza Universita e INFN, Roma I (IT)) ; Zachariadou, Katerina (University of West Attica (GR))
Resistive Plate Chambers detector technology is used to trigger muon particles in the ATLAS Muon Spectrometer central region. [...]
ATL-MUON-PROC-2021-015. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7678.
Highlights of EW and QCD results at the LHC / Jimenez Pena, Javier (Max Planck Society (DE))
Using collision data from the LHC, the ATLAS and CMS collaborations have extensively tested the Standard Model (SM) of particle physics with a wide programme of physics analyses. [...]
ATL-PHYS-PROC-2021-104. - 2021. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7679.
Multiboson production at the LHC (diboson, triboson) / Kuprash, Oleg (Albert Ludwigs Universitaet Freiburg (DE))
Production of multiple electroweak vector bosons in proton collisions at LHC allows testing the Standard Model (SM) in both electroweak and QCD domains, extracting properties of SM particles, and testing theories beyond the SM. [...]
ATL-PHYS-PROC-2021-103. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7680.
ATLAS measurements of CP violation and rare decays processes with beauty mesons / Novotny, Lukas (Czech Technical University in Prague (CZ))
The ATLAS experiment at the Large Hadron Collider (LHC) has performed accurate measurements of mixing and CP violation in the neutral B mesons, and also of rare processes happening in electroweak neutral B-mesons decays. [...]
ATL-PHYS-PROC-2021-102. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7681.
ATLAS results on charmonium production and $B_c$ production and decays / Turchikhin, Semen (Joint Institute for Nuclear Research (RU))
Recent results from the ATLAS experiment on the charmonium production and on the $B_c$ production and decays are presented. [...]
ATL-PHYS-PROC-2021-101. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7682.
Search for Type-III SeeSaw heavy leptons in leptonic final states in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / Carratta, Giuseppe (Universita e INFN, Bologna (IT))
Heavy leptons with masses ranging from GeV to TeV energies appear in several Beyond the Standard Model (BSM) mechanisms, proposed to explain the neutrino mass generation [...]
ATL-PHYS-PROC-2021-100. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7683.
Ultra-peripheral physics with ATLAS / Hamdaoui, Hassane (Universite Mohammed V (MA))
In this talk we present recent results using ultraperipheral heavy ions collisions data collected by the ATLAS experiment in 2015 and 2018 at $\sqrt{\bar{s}_{N N}}=5.02 \mathrm{TeV}$. [...]
ATL-PHYS-PROC-2021-099. - 2021. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7684.
Time calibration and monitoring in the ATLAS Tile Calorimeter / Polacek, Stanislav (Charles University (CZ))
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment at the LHC. [...]
ATL-TILECAL-PROC-2021-016. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7685.
Associated productions with top ($t+X$, $t\bar{t}+X$ with $X=W,Z,\gamma$, heavy-flavours, $t\bar{t}$) at the LHC / Dado, Tomas (Technische Universitaet Dortmund (DE))
Latest measurements of top quark pair production in association with EWK bosons ($W$, $Z$ or $\gamma$) and heavy flavoured jets ($cc$,$bb$) using data collected by the ATLAS and CMS detector in LHC $pp$ collisions at 13 TeV are presented. [...]
ATL-PHYS-PROC-2021-098. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7686.
Status of Vector Boson Scattering measurements at the LHC / Li, Shu (Tsung-Dao Lee Institute (CN) & Shanghai Jiao Tong University (CN))
Proceeding for PANIC2021 parallel talk [...]
ATL-PHYS-PROC-2021-097. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7687.
Prototype Hardware Design and Testing of the Global Common Module for the Global Trigger Subsystem of the ATLAS Phase-II Upgrade / Bonini, Filiberto (Brookhaven National Laboratory (US)) ; Tang, Shaochun (Brookhaven National Laboratory (US))
The high-luminosity large hadron collider (HL-LHC) will deliver more than ten times the integrated luminosity of the previous runs combined. [...]
ATL-DAQ-PROC-2021-016. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7688.
Searches for Dark Matter with the ATLAS and CMS Experiments using LHC Run 2 (2015–2018) Data / Behr, Janna Katharina (Deutsches Elektronen-Synchrotron (DE))
The presence of a non-baryonic Dark Matter (DM) component in the Universe is inferred from the observation of its gravitational interaction. [...]
ATL-PHYS-PROC-2021-096. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7689.
Collective dynamics of heavy ion collisions in ATLAS / Trzupek, Adam (Polish Academy of Sciences (PL))
An overview of the latest ATLAS experiment measurements of collective behaviour in a variety of collision systems, including 13 TeV $pp$, 5.44 TeV Xe+Xe and 5.02 TeV Pb+Pb collisions is presented. [...]
ATL-PHYS-PROC-2021-095. - 2021. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7690.
Collective dynamics of heavy ion collisions in ATLAS / Santos, Helena (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT))
The latest measurements of collective behaviour in a variety of collision systems with the ATLAS detector at the LHC, including \mbox{$pp$} collisions at 13 TeV, \mbox{Xe+Xe} collisions at 5.44 TeV, and $\mbox{Pb+Pb}$ collisions at 5.02 TeV, are presented. [...]
arXiv:2111.05335 ; ATL-PHYS-PROC-2021-094. - 2022-08-11. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext - Fulltext
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7691.
Machine Learning for Real-Time Processing of ATLAS Liquid Argon Calorimeter Signals with FPGAs / Laatu, Lauri Antti Olavi (Centre National de la Recherche Scientifique (FR))
Within the Phase-II upgrade of the LHC, the readout electronics of the ATLAS LAr Calorimeters is prepared for high luminosity operation expecting a pile-up of up to 200 simultaneous pp interactions. [...]
ATL-LARG-PROC-2021-008. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7692.
Performance and calibration for the identification of boosted Higgs bosons decaying into beauty quark pairs in ATLAS / Jones, Eleanor (University of Warwick (GB))
These proceedings present the performance and calibration of a new algorithm, the \(X\rightarrow b\bar{b}\) tagger, developed by the ATLAS experiment to identify boosted Higgs bosons decaying in the dominant decay channel to a beauty quark-antiquark pair. [...]
ATL-PHYS-PROC-2021-093. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7693.
ATLAS experiment educational printables / Velho, Mariana (CERN) ; Goldfarb, Steven (University of Melbourne (AU)) ; Anthony, Katarina (Universita degli Studi di Udine (IT)) ; Mehlhase, Sascha (Ludwig Maximilians Universitat (DE)) ; Gonzalez Suarez, Rebeca (Uppsala University (SE)) ; Nellist, Clara (Nikhef National institute for subatomic physics (NL)) ; Le Boulicaut, Elise Maria (Duke University (US)) ; Rodriguez Vera, Ana Maria (York University (CA))
Five years after launching the first ATLAS colouring book, the ATLAS experiment had a growth on the creation of educational printables: from fact sheets to cheat sheets and activity sheets. [...]
ATL-OREACH-PROC-2021-002. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7694.
Towards tuning electromagnetic shower properties to data with AtlFast3
A precise simulation of electromagnetic shower properties in the ATLAS calorimeter is crucial for the identification of particle showers originating from electrons and photons. [...]
ATL-SOFT-PUB-2021-004. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7695.
LFV searches by ATLAS and CMS experiments / Fiorini, Luca (Univ. of Valencia and CSIC (ES))
The appearance of lepton-flavour-violating processes in LHC proton-proton collisions is one of the possible way that new physics beyond the Standard Model could manifest itself. [...]
ATL-PHYS-PROC-2021-105. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7696.
Study of tracking and software performance of the ATLAS Inner Tracker in staged-installation scenarios at the High-luminosity LHC
The current baseline construction schedule of the Pixel detector of the ATLAS Phase-2 Inner Tracker (ITk) is in tension with its foreseen installation date during Long Shutdown (LS) 3. [...]
ATL-PHYS-PUB-2021-040. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7697.
A High-Granularity Timing Detector for the ATLAS Phase-II upgrade / Casado Lechuga, Pilar (The Barcelona Institute of Science and Technology (BIST) (ES))
The increase of the particle flux (pile-up) at the HL-LHC with instantaneous luminosities up to L = 7.5 $\times$ 10 $^{34}$ cm $^{-2}$ s $^{-1}$ will have a severe impact on the ATLAS detector reconstruction and trigger performance. [...]
ATL-HGTD-PROC-2021-004. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7698.
ATLAS LAr Calorimeter Commissioning for LHC Run-3 / Aranzabal Barrio, Nordin (CERN)
Liquid argon (LAr) sampling calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region |η| < 3.2, and for hadronic and forward calorimetry in the region from |η| = 1.5 to |η| = 4.9. [...]
ATL-LARG-PROC-2021-010. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7699.
Development of the ATLAS Liquid Argon Calorimeter Readout Electronics for the HL-LHC / Gensolen, Fabrice (Centre National de la Recherche Scientifique (FR)) ; ATLAS LAr Collaboration
A new era of hadron collisions will start around 2027 with the High-Luminosity LHC, that will allow to collect ten times more data that what has been collected since 10 years at LHC. [...]
ATL-LARG-PROC-2021-009. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7700.
The ATLAS Tile Calorimeter Performance and its upgrade toward High-Luminosity LHC / Vaslin, Louis (Université Clermont Auvergne (FR))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2021-017. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7701.
Integration and commissioning of the ATLAS Muon-to-Central-Trigger-Processor Interface for Run-3 / ATLAS Collaboration
The Muon-to-Central Trigger Processor Interface (MUCTPI) was completely redesigned as part of the ATLAS Level-1 trigger upgrade for Run 3 of the Large Hadron Collider. [...]
ATL-DAQ-PROC-2021-017. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7702.
Micromegas sectors for the ATLAS Muon Upgrade, towards the installation of the New Small Wheel in 2021 / Martinelli, Luca (Sapienza Universita e INFN, Roma I (IT))
The ATLAS experiment is currently upgrading the firstmuon station in the high-rapidity region with the construction of new detector structures, named New Small Wheels (NSW), based on large-size multi-gap resistive stripsMicromegas technology and small-strip Thin Gap Chambers (sTGC). [...]
ATL-MUON-PROC-2021-017. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7703.
Upgraded data readout and transmission electronics for the Resistive Plate Chambers of the ATLAS Muon Trigger System for the High Luminosity LHC / Morodei, Federico (Sapienza Universita e INFN, Roma I (IT)) ; Corradi, Massimo (Sapienza Universita e INFN, Roma I (IT)) ; Gkountoumis, Panagiotis (CERN) ; Kyriakis-Bitzaros, Efstathios (University of West Attica (GR)) ; Longarini, Iacopo (Sapienza Universita e INFN, Roma I (IT)) ; Mesolongitis, Ioannis (University of West Attica (GR)) ; Vari, Riccardo (Sapienza Universita e INFN, Roma I (IT)) ; Zachariadou, Katerina (University of West Attica (GR))
The Muon Spectrometer of the ATLAS detector will be significantly modified during the Phase-II upgrade in order to mantain low-momentum trigger thresholds at an acceptable trigger rate also in the increased particle rates, integrated radiation and pile-up of the High Luminosity LHC runs. [...]
ATL-MUON-PROC-2021-016. - 2021. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7704.
Top Quarks + X Summary Plots December 2021
This note presents summary plots for cross section measurements performed by ATLAS and CMS within the Top Quarks + X sub-group as of December 2021..
ATL-PHYS-PUB-2021-041. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7705.
Performance of the ATLAS electron, photon and hadronic tau triggers in Run 2 and prospects for Run 3 / Salvador Salas, Adrian (The Barcelona Institute of Science and Technology (BIST) (ES))
Electron, photon and tau triggers are essential for signal selection in a wide variety of ATLAS physics analyses including the study of the Standard Model Higgs coupling to fermions or the search for new phenomena like heavy resonances decaying into a pair of leptons. [...]
ATL-DAQ-PROC-2021-018. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7706.
Jet flavour tagging for the ATLAS Experiment / Centonze, Martino Salomone (INFN Lecce e Universita del Salento (IT))
The ability to identify jets stemming from the hadronisation of b- quarks (b-jets) is crucial for the physics program of ATLAS. [...]
ATL-PHYS-PROC-2021-107. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7707.
Precision measurements of jet production at the ATLAS experiment / Giuli, Francesco (INFN e Universita Roma Tor Vergata (IT))
Proceedings of the Low-x workshop 2021, 27 September - 01 October, 2021, Isola d'Elba, Italy
ATL-PHYS-PROC-2021-106. - 2021. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7708.
Top EFT summary plots December 2021
This note presents figures that summarise the limits on effective field theory (EFT) operators derived from measurements of the ATLAS top working group and LHC Top working group (ATLAS+CMS). [...]
ATL-PHYS-PUB-2021-043. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7709.
Studies of $t\bar{t}/tW$ interference effects in $b\bar{b}\ell^{+}\ell^{-'}\nu\bar{\nu}'$ final states with Powheg and MG5_aMC@NLO setups
The precise simulation of $t\bar{t}$ processes is crucial for precision tests of the Standard Model and in the search for new physics at the Large Hadron Collider. [...]
ATL-PHYS-PUB-2021-042. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7710.
Overview of ATLAS Forward Proton detectors for LHC Run 3 and plans for the HL-LHC / Lewicki, Maciej Piotr (Polish Academy of Sciences (PL))
A A key focus of the physics program at the LHC is the study of head-on proton-proton collisions. [...]
ATL-FWD-PROC-2021-002. - 2021. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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7711.
A Trigger Demonstrator for the L0 Muon Barrel Trigger of the ATLAS Experiment for HL-LHC / Albano, Andrea (Universita e sezione INFN di Napoli (IT)) ; Aloisio, Alberto (Universita e sezione INFN di Napoli (IT)) ; Izzo, Vincenzo (Universita e sezione INFN di Napoli (IT)) ; Vari, Riccardo (Sapienza Universita e INFN, Roma I (IT)) ; Corradi, Massimo (Sapienza Universita e INFN, Roma I (IT))
The ATLAS Collaboration has planned significant upgrades to the muon system, in order to cope with the instantaneous luminosity that will be delivered by the Large Hadron Collider (LHC) machine. [...]
ATL-DAQ-PROC-2021-020. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7712.
FPGA implementation of RDMA for ATLAS Readout with FELIX in High Luminosity LHC / Vasile, Matei (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Boukadida, Nayib (Nikhef National institute for subatomic physics (NL)) ; Martoiu, Sorin (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Antonescu, Mihai (University Politehnica of Bucharest (RO)) ; Ulmamei, Andrei-Alexandru (University Politehnica of Bucharest (RO)) ; Stoicea, Gabriel (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Hobincu, Radu (University Politehnica of Bucharest (RO)) ; Iordache, Cristina-Cerasela (University Politehnica of Bucharest (RO)) - hardware design, hardware development hardware design, hardware development hardware development hardware development infrastructure support software design software development
The FELIX system is used as an interface between front-end electronics and commodity hardware in the server farm. [...]
ATL-DAQ-PROC-2021-019. - 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7713.
Determination of Proton Parton Distribution Functions using ATLAS Data / Zhang, Zhiqing Philippe (Université Paris-Saclay (FR))
Using differential cross-section data of inclusive $W$ and $Z/\gamma^\ast$ boson production and of their production in association with jets, and differential cross-section data of top-quark pair production in the lepton + jets and dilepton channels in proton$-$proton collisions at the CERN large hadron collider at center-of-mass energies of $\sqrt{s}=7$ and 8 TeV, together with deep inelastic scattering data from electron$-$proton collisions at the HERA collider, several determinations of parton distribution functions of the proton have been performed by the ATLAS experiment. [...]
ATL-PHYS-PROC-2021-108. - 2021. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7714.
Dark matter summary plots for $s$-channel and 2HDM+$a$ models
This is an update of summary plots from the Exotics, SUSY, HDBS and Higgs working groups, via the CDM sub-group, for dark matter simplified models with $s$-channel Spin-1 and Spin-0 mediators, and a Two-Higgs-Doublet model with a pseudoscalar mediator (2HDM+$a$). [...]
ATL-PHYS-PUB-2021-045. - 2021.
Original Communication (restricted to ATLAS) - Full text
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7715.
Measurement of angular and momentum distributions of charged particles within1and around jets with the ATLAS detector / Krivos, Martin (Charles University (CZ))
Studies of jet fragmentation in heavy-ion collisions can provide information about the mechanism of jet quenching inside the hot and dense QCD matter created in these collisions. [...]
ATL-PHYS-PROC-2021-110. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7716.
Long term aging test of the new PMTs for the HL-LHC ATLAS hadron calorimeter upgrade / Di Gregorio, Giulia (Universita & INFN Pisa (IT))
TileCal, the central section of the hadronic calorimeter of the ATLAS experiment, is read out by 9,852 photomultipliers. [...]
ATL-TILECAL-PROC-2021-018. - 2021. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7717.
ATLAS results on charmonium production and $B_c^+$ meson production and decays / Lyubushkina, Tatiana (Joint Institute for Nuclear Research (RU))
Recent results from the proton-proton collision data taken by the ATLAS experiment on the charmonium production and on the $B_c^+$ meson production and decays are presented. [...]
ATL-PHYS-PROC-2021-109. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7718.
Projected sensitivity of Higgs boson pair production in the $bb\tau\tau$ final state using proton-proton collisions at HL-LHC with the ATLAS detector
A study of the projected sensitivity to non-resonant Higgs boson pair production in the $b\bar{b}\tau^{+}\tau^{-}$ final state using the ATLAS detector at the High Luminosity LHC is presented, assuming 3000 fb$^{-1}$ of $pp$ collisions at a centre-of-mass energy of 14 TeV. [...]
ATL-PHYS-PUB-2021-044. - 2021. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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7719.
The ATLAS ITk detector for High Luminosity LHC Upgrade / Calderini, Giovanni (Centre National de la Recherche Scientifique (FR))
The High Luminosity upgrade of the LHC (HL-LHC) will require a significant upgrade of the detectors used in the experiments, in particular for the trackers. [...]
ATL-ITK-PROC-2022-001. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7720.
Measurement prospects of Higgs boson pair production in the $b\bar{b}\gamma\gamma$ final state with the ATLAS experiment at the HL-LHC
A prospect study for the search for non-resonant Higgs boson pair production in the $b\bar{b}\gamma\gamma$ decay channel is presented, assuming 3000 $\text{fb}^{-1}$ of $pp$ collisions at $\sqrt{s}=14$ TeV with the ATLAS detector at the High Luminosity LHC (HL-LHC). [...]
ATL-PHYS-PUB-2022-001. - 2022. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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7721.
Inclusive & differential cross-section measurements of top-quark-pair production with ATLAS and CMS / Martinelli, Luca (Sapienza Universita e INFN, Roma I (IT))
Latest results on inclusive top-quark-pair production cross-sections are presented using collision data collected by ATLAS and CMS experiment at the LHC. [...]
ATL-PHYS-PROC-2022-001. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7722.
HARD QCD IN ATLAS / Vittori, Camilla (Universita e INFN, Bologna (IT))
The production of photon-pairs, W/Z bosons and jets in proton-proton ($pp$) collisions at the LHC allows to probe perturbative QCD in extreme regions of the phase space. [...]
ATL-PHYS-PROC-2022-007. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7723.
Highlights of Top Quark Measurements with the ATLAS Experiment / Cardillo, Fabio (Univ. of Valencia and CSIC (ES))
Measurements of processes involving single top quarks or top-quark-antiquark pairs are of major importance to check the predictions of the Standard Model or to provide sensitivity to new physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2022-006. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7724.
Combined measurement of the total and differential cross sections in the $H \rightarrow \gamma \gamma$ and the $H \rightarrow ZZ^* \rightarrow 4\ell$ decay channels at $\sqrt{s} = 13$ TeV with the ATLAS detector
Combined measurements of the total and differential cross-sections of Higgs boson production are performed with proton-proton collisions recorded by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2022-002. - 2022. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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7725.
Search for light long-lived neutral particles that decay to collimated pairs of leptons or light hadrons in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for light neutral long-lived particles with masses in the \textit{O}(MeV--GeV) range is presented. [...]
ATLAS-CONF-2022-001. - 2022. - 33 p.
Original Communication (restricted to ATLAS) - Full text
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7726.
The ATLAS Tile Calorimeter performance and its upgrade towards the High-Luminosity LHC / Ahmad, Ammara (The Barcelona Institute of Science and Technology (BIST) (ES))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2022-001. - 2022. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7727.
Recent Heavy Flavour results from ATLAS / Barton, Adam Edward (Lancaster University (GB))
A wide programme of heavy flavour production studies are performed with the ATLAS detector. [...]
ATL-PHYS-PROC-2022-005. - 2022. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7728.
Measurements of the top quark processes in association with additional particles with the ATLAS detector / Diez Pardos, Carmen (University of Siegen (DE))
The high centre-of-mass energy of proton-proton collisions and the high integrated luminosities at the CERN Large Hadron Collider make it possible to study rare processes of the Standard Model (SM) with unprecedented precision. [...]
ATL-PHYS-PROC-2022-004. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7729.
Status of searches for dark matter at the LHC / Abulaiti, Yiming (New York University (US))
The Large Hadron Collider has the potential to probe the nature of dark matter. [...]
ATL-PHYS-PROC-2022-003. - 2022. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7730.
Probing the Electroweak Sector with Vector-boson Fusion and Vector-boson Scattering Processes at the LHC / Sommer, Philip (University of Sheffield (GB))
Measurements of single- and multiboson production at the LHC probe the electroweak gauge structure of the Standard Model which predicts trilinear and quartic self interactions of the $W$ and $Z$ bosons, and the photon. [...]
ATL-PHYS-PROC-2022-002. - 2022. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7731.
Searches for resonances decaying to boson pairs in ATLAS / Bellos, Panagiotis (University of Birmingham (GB))
Many new physics models predict the existence of new particles decaying into two bosons ($W$, $Z$, photons, or Higgs bosons) making these important signatures in the search for new physics. [...]
ATL-PHYS-PROC-2022-009. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7732.
Neutron beam test of fanout and clock jitter cleaner microchips for the ATLAS Muon New Small Wheel
This report summarizes a neutron beam test of two microchips proposed for use in the ATLAS Muon system Phase 1 upgrade electronics. [...]
ATL-MUON-PUB-2022-001. - 2022. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7733.
Tests of neutrino mass models with the ATLAS detector / Novak, Tadej (Deutsches Elektronen-Synchrotron (DE))
Multiple theories beyond the Standard Model predict the existence of heavy neutrinos, such as the Type I or Type III seesaw mechanisms that can explain the light neutrino masses, or left-right symmetric models that restore parity symmetry in weak interactions at a higher energy scale and predict right-handed counterparts to the weak gauge bosons. [...]
ATL-PHYS-PROC-2022-008. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext from publisher
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7734.
Search for $W^{\prime}\to tb$ decays in the hadronic final state with the ATLAS detector / Lin, Kuan-Yu (Michigan State University (US))
A search for a new heavy boson $W^{\prime}$ in proton-proton collisions at $\sqrt{s}$ = 13 TeV is presented. [...]
arXiv:2201.10343 ; ATL-PHYS-PROC-2022-010. - 2022-02-24. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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7735.
The Fast Simulation Chain in the ATLAS experiment / Aitbenchikh, Brahim (Universite Hassan II, Ain Chock (MA))
The ATLAS experiment at the large hadron collider relies on very large samples of simulated events that are required in the majority of physics analysis and performance studies in the ATLAS physics program. [...]
ATL-SOFT-PROC-2022-001. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7736.
Measurement of W and Z boson production in association with jets at ATLAS / Fabbri, Laura (Universita e INFN, Bologna (IT))
The electroweak sector of the Standard Model can be tested either via precision measurements of fundamental observables or via direct tests of its underlying gauge structure. [...]
ATL-PHYS-PROC-2022-011. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7737.
Expected Size and Readout Rate of the Data of the ATLAS ITk Pixel Detector
The High-Luminosity LHC (HL-LHC) with its large number of collisions per proton-proton bunch crossing every 25~ns will present a challenging environment for particle detectors. [...]
ATL-ITK-PUB-2022-001. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7738.
Higgs $\kappa_{c}$ vs $\kappa_{b}$ constraint summary plot
This note presents the comparison of the $\kappa_{c}$ vs. [...]
ATL-PHYS-PUB-2022-002. - 2022. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7739.
Extrapolation of ATLAS sensitivity to the measurement of the Standard Model four top quark cross section at the HL-LHC
This note presents projections for the measurement of the $pp \to t\bar{t}t\bar{t}$ cross section in the context of the High-Luminosity phase of the LHC with a dataset of up to 3000 $\textrm{fb}^{-1}$ at $\sqrt{s} = {14}$ TeV to be collected by the upgraded ATLAS detector. [...]
ATL-PHYS-PUB-2022-004. - 2022. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7740.
Projection of $H\to\tau\tau$ cross-section measurement results to the HL-LHC
An extrapolation to assess the expected sensitivity of ${pp \rightarrow H\rightarrow \tau\tau}$ cross-section measurements at the HL-LHC is performed using the results obtained with $139 \ \mathrm{fb}^{-1}$ of $pp\ $ collisions at $\sqrt{s} = 13$ TeV. [...]
ATL-PHYS-PUB-2022-003. - 2022. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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7741.
Differential $t\bar{t}$ cross-section measurements using boosted top quarks with 139 fb$^{-1}$ of ATLAS data / Jacka, Petr (Czech Academy of Sciences (CZ))
Preliminary results of two differential cross-section measurements in the ATLAS experiment at CERN are presented. [...]
ATL-PHYS-PROC-2022-012. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7742.
ATLAS public website: Evolution to Drupal 8 / Goldfarb, Steven (University of Melbourne (AU)) ; Anthony, Katarina (Universita degli Studi di Udine (IT)) ; Gonzalez Suarez, Rebeca (Uppsala University (SE)) ; Hutinet, Maxime (HEPIA - Haute école du paysage, d'ingénierie et d'architecture (CH)) ; Mehlhase, Sascha (Ludwig Maximilians Universitat (DE)) ; Nellist, Clara (Nikhef National institute for subatomic physics (NL)) ; Velho, Mariana (Universidade Nova de Lisboa (PT))
Four years after the deployment of the ATLAS public website using the Drupal 7 content management system, the ATLAS Education & Outreach group has completed its migration to the new CERN Drupal 8 infrastructure. [...]
ATL-OREACH-PROC-2022-001. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7743.
Machine learning predictor for ‘measurement-to-track’ association for the ATLAS inner detector trigger / Lad, Nisha Nareshbhai (University of London (GB))
The track finding algorithm adopted for the LHC Run-2 data taking period is based on combinatorial track following, where the seed number scales non-linearly with the number of hits. [...]
ATL-DAQ-PROC-2022-001. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7744.
The new GeoModel suite, a lightweight detector description and visualization toolkit for HEP / Bianchi, Riccardo Maria (University of Pittsburgh (US)) ; Bandieramonte, Marilena (University of Pittsburgh (US)) ; Boudreau, Joseph (University of Pittsburgh (US)) ; Dell'Acqua, Andrea (CERN) ; Tsulaia, Vakhtang (Lawrence Berkeley National Lab. (US)) - Main author Main author Main author Main author
The GeoModel toolkit is an open-source suite of standalone tools that empowers the user with lightweight tools to describe, visualize, test, and debug detector descriptions and geometries for HEP standalone studies and experiments. [...]
ATL-SOFT-PROC-2022-002. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7745.
Measurements of CP violation and lifetime properties of B mesons at ATLAS / Novotny, Lukas (Czech Technical University in Prague (CZ))
The ATLAS experiment at the Large Hadron Collider has performed precise measurements of mixing and CP violation in neutral B mesons. [...]
ATL-PHYS-PROC-2022-015. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7746.
Probing the nature of electroweak symmetry breaking with Higgs boson pair-production at ATLAS / Hank, Michael Donald (University of Chicago (US))
The ground state of the Higgs potential lies at its minimum rather than at zero. [...]
ATL-PHYS-PROC-2022-014. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7747.
ATLAS searches for Higgs boson decays to BSM dark-Z bosons in four-lepton final states / Lagouri, Theodota (Instituto De Alta Investigacion Universidad de Tarapaca (CL))
ATLAS searches for a BSM light boson using events where a Higgs boson with mass 125 GeV decays to four leptons are reported. [...]
ATL-PHYS-PROC-2022-013. - 2022. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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7748.
GPU acceleration of the ATLAS calorimeter clustering algorithm / Dos Santos Fernandes, Nuno (LIP Laboratorio de Instrumentacao e Fisica Experimental de Particulas (PT))
Given the upcoming High-Luminosity LHC Upgrade, the performance requirements for the trigger systems associated with the LHC experiments will increase due to the larger volume of data to be processed. [...]
ATL-DAQ-PROC-2022-002. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7749.
Projected sensitivity of Higgs boson pair production combining the $b\bar{b}\gamma\gamma$ and $b\bar{b}\tau^{+}\tau^{-}$ final states with the ATLAS detector at the HL-LHC
A combination of projection studies of non-resonant Higgs boson pair production in the $b\bar{b}\tau^+\tau^-$ and $b\bar{b}\gamma\gamma$ final states with the ATLAS detector is presented, assuming 3000 $\text{fb}^{-1}$ of $pp$ collisions and a centre-of-mass energy of $\sqrt{s}=14$ TeV at the HL-LHC. [...]
ATL-PHYS-PUB-2022-005. - 2022. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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7750.
Search for flavour-changing neutral-current couplings between the top-quark and the photon with the ATLAS detector at $\sqrt{s} = 13$ TeV
This note documents the search for flavour-changing neutral currents (FCNCs), which are strongly suppressed in the Standard Model, in events with a photon and a top quark with the ATLAS detector. [...]
ATLAS-CONF-2022-003. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7751.
Studies of Monte Carlo predictions for the $t\bar{t}b\bar{b}$ process
Studies of Monte Carlo generator predictions are presented for top quark pair production in association with bottom quarks ($ttbb$). [...]
ATL-PHYS-PUB-2022-006. - 2022. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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7752.
Energy scale calibration of $b$-tagged jets with ATLAS Run 2 data using $t\bar t$ lepton+jets events
This note presents a feasibility study and the technical details of the implementation of a measurement $in\ situ$ of the energy scale of jets reconstructed from the hadronisation of $b$-quarks ($b$-jets) and passing flavour-tagging requirements in the ATLAS experiment. [...]
ATLAS-CONF-2022-004. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7753.
Validation of the New Small Wheel MicroMegas sectors for the spectrometer of the ATLAS experiment at CERN / Mancini, Giada (INFN e Laboratori Nazionali di Frascati (IT))
The ATLAS experiment is currently upgrading the first muon station in the high-rapidity region with the New Small Wheels (NSW), based on large-size multi- gap resistive strips Micromegas (MM) technology and small-strip Thin Gap Chambers (sTGC). [...]
ATL-MUON-PROC-2022-001. - 2023. - 9 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7754.
Long-lived particle summary plots for Hidden Sector and Dark Photon models
Summary plots for two long-lived particle models used as benchmarks by the ATLAS collaboration are presented, namely the Hidden Sector model and the so-called “FRVZ” dark photon model. [...]
ATL-PHYS-PUB-2022-007. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7755.
EFT interpretation of low-PT results / Mitsou, Vasiliki (Univ. of Valencia and CSIC (ES))
The observed flavour anomalies in b -> sll quark-level transitions offer a platform for indirect searches for signals of New Physics. [...]
ATL-PHYS-PROC-2022-017. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7756.
Measurements of multi-boson production including vector-boson scattering at ATLAS / Liu, Xiaotian (University of Science and Technology of China (CN))
Measurements of multi-boson production at the LHC probe the electroweak gauge structure of the Standard Model for contributions from anomalous couplings. [...]
ATL-PHYS-PROC-2022-016. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7757.
Searches for electroweak production of supersymmetric particles with the ATLAS detector / Cervelli, Alberto (Universita e INFN, Bologna (IT))
The direct production of electroweak SUSY particles, including sleptons, charginos, and neutralinos, is a particularly interesting area with connections to dark matter and the naturalness of the Higgs mass [...]
ATL-PHYS-PROC-2022-018. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7758.
Measuring the $b$-jet identification efficiency for high $p_{\text{T}}$ jets using multijet events in proton$-$proton collisions at $\sqrt{s} = 13$ TeV recorded with the ATLAS detector
The identification of jets containing $b$-hadrons, or $b$-tagging, is crucial to many physics analyses using data collected with the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PUB-2022-010. - 2022. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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7759.
Standard Model Summary Plots February 2022
This note presents cross section summary plots for ATLAS cross section measurements as of February 2022. [...]
ATL-PHYS-PUB-2022-009. - 2022. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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7760.
Summary plot for the interpretation of heavy Higgs boson searches in the Georgi-Machacek model
This note presents a set of plots that summarize the interpretation of various searches for additional Higgs bosons beyond the Standard Model in the H5 plane benchmark of the Georgi-Machacek model. [...]
ATL-PHYS-PUB-2022-008. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7761.
Search for Resonant $WZ \rightarrow \ell\nu \ell^{\prime}\ell^{\prime}$ Production in Proton-Proton Collisions at $\mathbf{\sqrt{s} = 13}$ TeV with the ATLAS Detector
A search for a $WZ$ resonance, in the fully leptonic final state (electrons and muons), is performed using 139 fb$^{-1}$ of data collected at a center-of-mass energy of 13 TeV by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2022-005. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7762.
Upgrade of ATLAS hadronic Tile Calorimeter for the High-Luminosity LHC / Sotto-Maior Peralva, Bernardo (Federal University of Juiz de Fora (BR))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. [...]
ATL-TILECAL-PROC-2022-002. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7763.
MEASUREMENTS OF THE TOP-QUARK CROSS SECTIONS AND PROPERTIES WITH THE ATLAS DETECTOR AT THE LHC / Costa Mezquita, Maria Jose (Univ. of Valencia and CSIC (ES))
The remarkably large integrated luminosity collected by the ATLAS detector at the highest proton-proton collision energy provided by LHC allows to use the large sample of top quark events to test theoretical predictions with unprecedented precision. [...]
ATL-PHYS-PROC-2022-019. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7764.
Probing the $CP$ nature of the top-Higgs Yukawa coupling in $t\bar{t}H$ and $tH$ events with $H \rightarrow b\bar{b}$ using the ATLAS detector at the LHC
This note presents an investigation of the $CP$ properties of the coupling between the Higgs boson and the top quark, employing 139 fb$^{-1}$ of proton--proton collision data recorded by the ATLAS experiment at a centre-of-mass energy of $\sqrt{s}=13$ TeV. [...]
ATLAS-CONF-2022-016. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7765.
Summary Plots for Heavy Particle Searches and Long-lived Particle Searches - March 2022
The results of searches for heavy particles from the Exotics and HDBS physics groups and long-lived particles from the Exotics and SUSY physics groups are summarized in plots for a representative set of models. [...]
ATL-PHYS-PUB-2022-011. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7766.
Measurement of the fiducial and differential cross-section of $WH/ZH$ production for the $b$-jets + $E_\text{T}^\text{miss}$ final state in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Fiducial and differential cross-sections of Higgs boson production in association with a $W$ or $Z$ boson are measured in final states with missing transverse momentum where the Higgs boson decays into a $b\bar{b}$ pair [...]
ATLAS-CONF-2022-015. - 2022. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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7767.
Search for flavour-changing neutral current interactions of the top quark and the Higgs boson in events with a pair of $\tau$-leptons in pp collisions at $\sqrt{s}=13~\tev$ with the ATLAS detector
A search for flavour-changing neutral current (FCNC) $tqH$ interactions involving a top quark, an up-type quark ($q=u, c$), and a Standard Model (SM) Higgs boson decaying into a $\tau$-lepton pair ($H\rightarrow \tau^+\tau^-$) is presented. [...]
ATLAS-CONF-2022-014. - 2022. - 40 p.
Original Communication (restricted to ATLAS) - Full text
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7768.
Observation of single-top-quark production in association with a photon at the ATLAS detector
This note reports the observation of single top quarks produced together with a photon using 139 fb$^{−1}$ of data collected with the ATLAS detector in 13 TeV proton–proton collisions at the Large Hadron Collider. [...]
ATLAS-CONF-2022-013. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7769.
Search for dark matter produced in association with a single top quark and an energetic $W$ boson in $\sqrt{s}=13$ TeV ($pp$) collisions with the ATLAS detector
This paper presents a search for dark matter, $\chi$, using events with a single top quark and a highly energetic $W$ boson. [...]
ATLAS-CONF-2022-012. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7770.
Fiducial and differential measurements of $W^{+}W^{-}$ production in decay topologies inspired by searches for electroweak supersymmetry in two-lepton final states
This note presents a measurement of fiducial and differential cross-sections for $W^{+}W^{-}$ production in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS experiment at the Large Hadron Collider using a dataset corresponding to an integrated luminosity of 139 fb$^{-1}$. [...]
ATLAS-CONF-2022-011. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7771.
Search for doubly charged Higgs boson production in multi-lepton final states using $139\,\text{fb}^{-1}$ of proton--proton collisions at $\sqrt{s}= 13\,\text{TeV}$ with the ATLAS detector
A search for pair production of doubly charged Higgs ($H^{\pm \pm}$) bosons, each decaying into a pair of prompt, isolated, and highly energetic leptons with the same electric charge, is presented. [...]
ATLAS-CONF-2022-010. - 2022. - 37 p.
Original Communication (restricted to ATLAS) - Full text
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7772.
Search for pair-produced scalar and vector leptoquarks decaying into third-generation quarks and first- or second-generation leptons in $pp$ collisions with the ATLAS detector
A search for pair-produced scalar and vector leptoquarks decaying into quarks and leptons of different generations is presented using the full LHC Run~2 (2015-2018) dataset of $139\,\mbox{fb}^{-1}$ collected with the ATLAS detector in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=13\,\mbox{TeV}$. [...]
ATLAS-CONF-2022-009. - 2022. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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7773.
Search for $t\bar tH/A \rightarrow t\bar tt\bar t$ production in the multilepton final state in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for a new heavy scalar or pseudo-scalar Higgs boson ($H/A$) produced in association with a pair of top quarks, with the Higgs boson decaying into a pair of top quarks ($H/A \rightarrow t\bar t$) is reported. [...]
ATLAS-CONF-2022-008. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7774.
Constraints on spin-0 dark matter mediators and invisible Higgs decays using ATLAS 13 TeV pp collision data with two top quarks and missing energy in the final state
This paper presents a statistical combination of searches targeting final states with two top quarks and invisible particles and characterised by the presence of zero, one or two leptons, at least one jet originating from a $b$-quark and missing transverse momentum. [...]
ATLAS-CONF-2022-007. - 2022. - 51 p.
Original Communication (restricted to ATLAS) - Full text
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7775.
The ATLAS RPC upgrade project for the High Luminosity LHC program / Simsek, Sinem (Istinye University (TR))
The present ATLAS RPC system is a 3D+time tracking detector providing the first level trigger in the ATLAS barrel. [...]
ATL-MUON-PROC-2022-002. - 2022. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7776.
Search for direct pair production of sleptons and charginos decaying to two leptons and neutralinos with mass splittings near the $W$ boson mass in ${\sqrt{s}=13\,}$TeV $pp$ collisions with the ATLAS detector
A search for the electroweak production of charged slepton and chargino pairs decaying into two-lepton final states and with missing transverse momentum is presented. [...]
ATLAS-CONF-2022-006. - 2022. - 38 p.
Original Communication (restricted to ATLAS) - Full text
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7777.
Search for direct production of supersymmetric charginos with mass splittings close to the electroweak scale in $\sqrt{s}=13$ TeV collisions with the ATLAS detector / Ballabene, Eric (Università degli Studi e INFN Milano (IT))
A new search for the direct production of charginos, each decaying into a neutralino via the emission of a $W$ boson is presented. [...]
ATL-PHYS-PROC-2022-020. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7778.
Snowmass White Paper Contribution: Physics with the Phase-2 ATLAS and CMS Detectors
The ATLAS and CMS Collaborations actively work on developing the physics program for the High-Luminosity LHC. [...]
ATL-PHYS-PUB-2022-018. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7779.
SimpleAnalysis: Truth-level Analysis Framework
Many BSM searches in ATLAS provide auxiliary information uploaded to HEPData that details a C++ analysis code snippet for the region definitions in the analysis. [...]
ATL-PHYS-PUB-2022-017. - 2022. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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7780.
Top quark mass summary plots March 2022
This note presents plots summarising ATLAS results and combinations of top quark mass measurements..
ATL-PHYS-PUB-2022-016. - 2022. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7781.
Top Quarks + X Summary Plots March 2022
This note presents summary plots for cross section measurements performed by ATLAS and CMS within the Top Quarks + X sub-group as of March 2022..
ATL-PHYS-PUB-2022-015. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7782.
Top EFT summary plots March 2022
This note presents figures that summarise the limits on effective field theory (EFT) operators derived from measurements of the ATLAS top working group and LHC Top working group (ATLAS+CMS). [...]
ATL-PHYS-PUB-2022-014. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7783.
SUSY Summary Plots March 2022
These are summary plots, updated for the SUSY group in February/March 2022..
ATL-PHYS-PUB-2022-013. - 2022. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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7784.
Summary Plots from ATLAS Searches for Pair-Produced Leptoquarks
This note collects summary plots with exclusion contours derived for four different pair-production scenarios of scalar leptoquarks. [...]
ATL-PHYS-PUB-2022-012. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7785.
Comparison of inclusive and photon-tagged jet suppression in 5.02 TeV Pb+Pb collisions with ATLAS
This note presents a measurement of photon-tagged jet energy loss in the quark-gluon plasma, using 1.7 nb$^{-1}$ of Pb+Pb data and 260 pb$^{-1}$ of $pp$ data, both at 5.02 TeV, with the ATLAS detector. [...]
ATLAS-CONF-2022-019. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7786.
Search for boosted diphoton resonances in the 10 to 70 GeV mass range using 138 $fb^{-1}$ of 13 TeV $pp$ collisions with the ATLAS detector
A search for diphoton resonances in the mass range between 10 to 70 GeV with the ATLAS experiment at the Large Hadron Collider is presented. [...]
ATLAS-CONF-2022-018. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7787.
Search for displaced photons produced in exotic decays of the Higgs boson using 13~TeV $pp$ collisions with the ATLAS detector
A search is performed for delayed and non-pointing photons originating from the displaced decay of a neutral long-lived particle (LLP). [...]
ATLAS-CONF-2022-017. - 2022. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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7788.
Boosting the discovery potential for the LHC Run 3 – Improved Track Reconstruction for prompt and long-lived particles in ATLAS / Wollrath, Julian (University of California Irvine (US))
Searches for long-lived particles are among the most promising search channels for physics beyond the Standard Model (BSM) at the LHC. [...]
ATL-PHYS-PROC-2022-022. - 2022. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7789.
Measurement of substructure-dependent jet suppression in Pb+Pb collisions at 5.02 TeV with the ATLAS detector
Jet substructure modification and suppression are measured in Pb+Pb collisions at a nucleon-nucleon center-of-mass energy $\sqrt{s_\mathrm{NN}}=5.02~\mathrm{TeV}$ with respect to $pp$ collisions at $\sqrt{s}=5.02~\mathrm{TeV}$ with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2022-026. - 2022. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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7790.
Exclusive dielectron production in ultraperipheral Pb+Pb collisions at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV with ATLAS
Exclusive production of dielectron pairs, $\gamma\gamma\rightarrow e^+e^-$, is studied using $L=1.72$ nb$^{-1}$ of data from ultraperipheral collisions of lead nuclei at $\sqrt{s_\mathrm{NN}}$ = 5.02 TeV recorded by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2022-025. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7791.
Strong constraints on jet quenching in centrality-dependent $p$+Pb collisions at $5.02$ TeV from ATLAS
Jet quenching is the process of color-charged partons losing energy via interactions with quark-gluon plasma droplets created in heavy-ion collisions. [...]
ATLAS-CONF-2022-024. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7792.
Correlation of $\Upsilon$ meson production with the underlying event in $pp$ collisions measured by the ATLAS experiment
The multiplicity and distributions of kinematic variables of charged particles produced in association with an $\Upsilon$ meson are measured in proton-proton collisions using the data collected by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2022-023. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7793.
Measurements of the azimuthal correlations of muon pairs from heavy-flavor decays in 5.02 TeV Pb+Pb collisions with the ATLAS detector
This analysis measures azimuthal correlations and yields of muon pairs that arise from decays of heavy-flavor (HF) quarks in Pb+Pb collisions at $\sqrt{s_{\mathrm{NN}}}$=5.02 TeV. [...]
ATLAS-CONF-2022-022. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7794.
Photo-nuclear jet production in ultra-peripheral Pb+Pb collisions at $\sqrt{s}_\text{NN} = 5.02$ TeV with the ATLAS detector
Results are presented from a measurement by ATLAS of photo-nuclear production of dijet and multi-jet final states in ultra-peripheral Pb+Pb collisions at $\sqrt{s}_\text{NN} = 5.02$ TeV. [...]
ATLAS-CONF-2022-021. - 2022. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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7795.
Measurements of longitudinal flow decorrelations in 5.02 TeV and 13 TeV $pp$ collisions and 5.44 TeV Xe+Xe collisions with the ATLAS detector
This note presents measurements of longitudinal flow decorrelations in 5.02 TeV and 13 TeV $pp$ collisions and 5.44 TeV Xe+Xe collisions with the ATLAS detector. [...]
ATLAS-CONF-2022-020. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7796.
HEFT interpretations of Higgs boson pair searches in $b\bar{b} \gamma \gamma$ and $b\bar{b}\tau \tau$ final states and of their combination in ATLAS
This note presents interpretations of searches for Higgs boson pair ($HH$) production in the $b\bar{b}\gamma\gamma$ and $b\bar{b}\tau^+\tau^-$ final states, and of their combination, in terms of Higgs Effective Field Theory (HEFT) benchmark models. [...]
ATL-PHYS-PUB-2022-019. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7797.
Searches for new phenomena in final states with 3rd generation quarks using the ATLAS detector / Burger, Angela Maria (Université Clermont Auvergne (FR))
Many theories beyond the Standard Model predict new phenomena, such as heavy vectors or scalar, and vector-like quarks, in final states containing bottom or top quarks. [...]
ATL-PHYS-PROC-2022-021. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7798.
Search for Dark Matter in association with an energetic photon in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / Piazza, Federica (Università degli Studi e INFN Milano (IT))
A search for Dark Matter (DM) is presented, exploiting final states containing a photon and missing transverse momentum, using 139 fb$^{-1}$ of data collected by the ATLAS experiment (LHC) at a centre-of-mass energy of 13 TeV. [...]
ATL-PHYS-PROC-2022-024. - 2022. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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7799.
Top quark properties (including mass) at ATLAS and CMS / Moskalets, Tetiana (Albert Ludwigs Universitaet Freiburg (DE))
I present a review of the latest top quark properties measurements performed using proton-proton collision data collected with the ATLAS and CMS detectors at the Large Hadron Collider at a centre-of-mass energy $\sqrt{s}=13$ TeV..
ATL-PHYS-PROC-2022-023. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7800.
Dependence of the Jet Energy Scale on the Particle Content of Hadronic Jets in the ATLAS Detector Simulation
The dependence of the ATLAS jet energy measurement on the modelling in Monte Carlo simulations of the particle types and spectra within jets is investigated. [...]
ATL-PHYS-PUB-2022-021. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7801.
Heavy Ion RAA summary Plots 2022
Heavy Ion RAA summary Plots 2022
ATL-PHYS-PUB-2022-020. - 2022. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7802.
The VMM3a User's Guide
The VMM is a custom Application Specific Integrated Circuit (ASIC). [...]
ATL-MUON-PUB-2022-002. - 2022. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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7803.
Searches of top FCNC interactions with the ATLAS detector / Veloso, Filipe (LIP - Laboratorio de Instrumentação e Física Experimental de Partículas (PT))
According to the Standard Model, flavour-changing neutral currents (FCNC) are forbidden at tree level and are strongly suppressed at higher orders. [...]
ATL-PHYS-PROC-2022-028. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7804.
Energy scale calibration of $b$-tagged jets with ATLAS Run 2 data using $t\bar{t}$ lepton+jets events / Bouquet, Romain (Centre National de la Recherche Scientifique (FR))
A feasibility study is presented for an in situ measurement of the energy scale of jets reconstructed from the hadronisation of $b$-quarks ($b$-jets) and passing flavour-tagging requirements in the ATLAS experiment. [...]
ATL-PHYS-PROC-2022-026. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7805.
Associated production of top quarks at ATLAS and CMS / Qin, Quake (University of Manchester (GB))
The latest measurements of the associated production of top quarks are summarised in this contribution, including the production of $t\bar{t}Z$, $t\bar{t}W$, $t\bar{t}\gamma/tq\gamma$ and $t\bar{t}t\bar{t}$. [...]
ATL-PHYS-PROC-2022-025. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7806.
Description of and Results from Testing a Serial Powering Chain of Irradiated RD53A Modules
The High-Luminosity LHC (HL-LHC) with its large number of collisions per proton-proton bunch crossing every 25 ns will present a challenging environment for particle detectors. [...]
ATL-ITK-PUB-2022-002. - 2022. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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7807.
Highlights from Long-Lived Particle Searches at ATLAS / Gonski, Julia Lynne (Columbia University (US))
The latest results from long-lived particle (LLP) searches performed with the ATLAS experiment are presented. [...]
ATL-PHYS-PROC-2022-033. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7808.
Searches for 3rd generation-philic new phenomena with the ATLAS detector / Poulsen, Trine (Deutsches Elektronen-Synchrotron (DE))
Searches for 3rd generation-philic new phenomena with the ATLAS detector
ATL-PHYS-PROC-2022-032. - 2022. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7809.
Recent ATLAS results on searches for electroweak produced supersymmetric particles / Gravili, Francesco Giuseppe (INFN Lecce e Universita del Salento (IT))
Proceeding for the corresponding talk given at the Conference
ATL-PHYS-PROC-2022-031. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7810.
Supersymmetry Searches and Combinations / Hooberman, Benjamin Henry (Univ. Illinois at Urbana Champaign (US))
The standard model (SM) of particle physics has been extremely successful at explaining a wide variety of phenomena but it cannot be the final theory of nature [...]
ATL-PHYS-PROC-2022-030. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7811.
Flow harmonics in heavy-ion physics at ATLAS and CMS / Bold, Tomasz (AGH University of Science and Technology (PL))
This paper summarises recent measurements of flow harmonics from the ATLAS and CMS Collaborations. [...]
ATL-PHYS-PROC-2022-029. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7812.
Identification of electrons using a deep neural network in the ATLAS experiment
This note introduces an algorithm to identify electrons in the ATLAS experiment based on a deep neural network. [...]
ATL-PHYS-PUB-2022-022. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7813.
Combination of searches for heavy resonances using 139 fb$^{-1}$ of proton–proton collision data at $\sqrt{s}$ = 13 TeV with the ATLAS detector
Searches for new heavy resonances decaying into different pairings of $W$, $Z$, or Higgs bosons, as well as directly into leptons, are presented using a data sample corresponding to 139 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 13 TeV collected from 2015-2018 with the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2022-028. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7814.
Measuring $CP$ properties of Higgs boson interactions with $\tau$ leptons with the ATLAS detector
A study of the charge conjugation and parity ($CP$) properties of the interaction between the Higgs boson and $\tau$ leptons is presented. [...]
ATLAS-CONF-2022-032. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7815.
Measurement of the $t\bar{t}$ production cross-section in $pp$ collisions at $\sqrt{s}=5.02$ TeV with the ATLAS detector
The inclusive top-quark pair ($t\bar{t}$) production cross-section $\sigma_{t\bar{t}}$ is measured in proton-proton collisions at a centre-of-mass energy $\sqrt{s}=5.02$ TeV, using 257 pb$^{-1}$ of data collected in 2017 by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2022-031. - 2022. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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7816.
Measurement of single top-quark production in the s-channel in proton-proton collisions at $\mathrm{\sqrt{s}=13~TeV}$ with the ATLAS detector
A measurement of single top-quark production in the s-channel is performed in proton-proton collisions at a centre-of-mass energy of $\mathrm{13~TeV}$ with the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2022-030. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7817.
Search for dark matter produced in association with a dark Higgs boson decaying to $W^{+}W^{-}$ in the one-lepton final state at $\sqrt{s} = 13\,$TeV using 139$\,$fb$^{-1}$ of $pp$ collisions recorded with the ATLAS detector
Several extensions of the Standard Model predict the production of dark matter particles at the LHC. [...]
ATLAS-CONF-2022-029. - 2022.
Original Communication (restricted to ATLAS) - Full text - Full text
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7818.
A search for heavy Higgs bosons decaying into vector bosons in same-sign two-lepton final states in $pp$ collisions at $\sqrt{s}=13$~TeV with the ATLAS detector
A search for heavy Higgs bosons decaying into a pair of vector bosons and produced in association with a vector boson is performed, using final states with two leptons of the same electric charge (electrons or muons), missing transverse momentum and jets. [...]
ATLAS-CONF-2022-033. - 2022. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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7819.
Standard Model Higgs coupling measurements in ATLAS and CMS / Camacho Toro, Reina Coromoto (Centre National de la Recherche Scientifique (FR))
This proceedings report on recent Higgs coupling measurements, released between 2020 and early 2022, by the ATLAS and CMS experiments at the Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2022-035. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7820.
Measurement of the $b$-jet identification efficiency with the $p_\text{T}^{\text{rel}}$ method in multi-jet events using pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS Detector
The identification of jets containing \emph{b}-hadrons, or \emph{b}-tagging, is achieved in ATLAS using various approaches. [...]
ATL-PHYS-PUB-2022-025. - 2022. - 70 p.
Original Communication (restricted to ATLAS) - Full text
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7821.
Search for a new scalar resonance in flavour-changing neutral-current top-quark decays $t\rightarrow qX$ ($q$ = $u,c$), with $X\rightarrow b\bar{b}$, in proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for flavour-changing neutral-current decays of a top quark into an up-type quark (either up or charm) and a light scalar particle 𝑋 decaying into a bottom anti-bottom quark pair is presented. [...]
ATLAS-CONF-2022-027. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7822.
Eigenvector recomposition: a new method to correlate flavor-tagging systematic uncertainties across analyses
In order to simplify the treatment of the flavor-tagging scale factor uncertainties in physics analyses, their large number is currently significantly reduced using an eigenvector decomposition approach that preserves both the total size of the uncertainty and the underlying correlations. [...]
ATL-PHYS-PUB-2022-024. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7823.
Constraints on spin-0 dark matter mediators and invisible Higgs decays using ATLAS 13 TeV $pp$ collision data with two top quarks and missing energy in the final state / Liberatore, Marianna (Deutsches Elektronen-Synchrotron (DE))
The statistical combination of searches targeting final states with two top quarks and invisible particles and characterised by the presence of zero, one or two leptons, at least one jet originating from a b-quark and missing transverse momentum is presented. [...]
ATL-PHYS-PROC-2022-034. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7824.
Top Quarks + X Summary Plots May 2022
This note presents summary plots for cross section measurements performed by ATLAS and CMS within the Top Quarks + X sub-group as of May 2022..
ATL-PHYS-PUB-2022-023. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7825.
Heavy ion physics in ATLAS and CMS / Dyndal, Mateusz (AGH University of Science and Technology (PL))
An overview of the latest heavy ion measurements with the ATLAS and CMS detectors at the LHC, utilizing the high statistics 5.02 TeV Pb+Pb data collected in 2015 and 2018, is given. [...]
ATL-PHYS-PROC-2022-040. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7826.
Observation of single top-quark + photon production with the atlas detector / Alhroob, Muhammad (University of Oklahoma (US))
These proceedings present the first observation of single top-quark production associated with a photon using the full Run2 proton-proton dataset collected by the ATLAS experiment at the LHC..
ATL-PHYS-PROC-2022-039. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7827.
Direct search for the Higgs boson to charm coupling at ATLAS / Mendes Jacques Da Costa, Antonio Manuel (University of Birmingham (GB))
A direct search for the Standard Model Higgs boson decays to a pair of charm quarks is presented. [...]
ATL-PHYS-PROC-2022-038. - 2022. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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7828.
Displaced Vertex Search for Heavy Neutral Leptons with the ATLAS Detector / Trischuk, Dominique Anderson (Brandeis University (US))
The results of a search for long-lived heavy neutral leptons (HNLs) in proton-proton collisions at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2022-037. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7829.
Exotic Higgs at ATLAS and CMS / Hamity, Guillermo Nicolas (The University of Edinburgh (GB))
These proceedings summarise highlights from the latest exotic Higgs results by ATLAS and CMS collaborations, with the full recorded LHC \RunTwo datasets at $\sqrt{s}=13$ TeV, that were presented at MoriondQCD 2022..
ATL-PHYS-PROC-2022-036. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7830.
Search for heavy long-lived multi-charged particles in the full Run-II $pp$ collision data at $\sqrt{s}$ = 13 TeV using the ATLAS detector
A search for heavy long-lived multi-charged particles is performed using the ATLAS detector at the LHC. [...]
ATLAS-CONF-2022-034. - 2022. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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7831.
Search for non-resonant pair production of Higgs bosons in the $b\bar{b}b\bar{b}$ final state in $pp$ collisions at $\sqrt{s}= 13$ TeV with the ATLAS detector
"A search for non-resonant Higgs boson pair production in the $b\bar{b}b\bar{b}$ final state is presented [...]
ATLAS-CONF-2022-035. - 2022. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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7832.
Search for exotic heavy resonances at ATLAS and CMS / Guescini, Francesco (Max Planck Society (DE))
The ATLAS and CMS Collaborations have recently released new results from their searches for physics beyond the Standard Model of particle physics. [...]
ATL-PHYS-PROC-2022-042. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7833.
Inner Detector alignment development and performance in preparation for Run 3
Several major changes were introduced in the ATLAS track reconstruction software to deal with the challenges posed by the Run 3 of the Large Hadron Collider, necessitating a new detector alignment campaign. [...]
ATL-PHYS-PUB-2022-028. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7834.
Graph Neural Network Jet Flavour Tagging with the ATLAS Detector
Flavour tagging, the identification of jets originating from $b$- and $c$-quarks, is a critical component of the physics programme of the ATLAS experiment at the Large Hadron Collider. [...]
ATL-PHYS-PUB-2022-027. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7835.
Study of ttbb and ttW background modelling for ttH analyses
This note presents Monte Carlo generator comparisons of the ttbb and ttW processes at particle level. [...]
ATL-PHYS-PUB-2022-026. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7836.
B-physics results in ATLAS / Smizanska, Maria (Lancaster University (GB))
ATLAS Run2 and Run1 data are used to perform advanced B-physics measurements. [...]
ATL-PHYS-PROC-2022-041. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7837.
Performance of the ATLAS Hadronic Endcap Calorimeter in beam tests: Selected results
This note summarises the main performance parameters of the ATLAS hadronic endcap calorimeter as obtained during beam tests of its modules..
ATL-LARG-PUB-2022-001. - 2022. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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7838.
Lepton flavour violation and lepton flavour universality / Chen, Boping (Tel Aviv University (IL))
An overview of the recent results of the searches for lepton flavour violation and lepton flavour universality is presented. [...]
ATL-PHYS-PROC-2022-043. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7839.
Top quark mass summary plots June 2022
This note presents plots summarising ATLAS results and combinations of top quark mass measurements..
ATL-PHYS-PUB-2022-032. - 2022. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7840.
Top working group cross-section summary plots June 2022
This note presents updated figures that summarise top cross-section results from the ATLAS top working group and the LHCtopWG..
ATL-PHYS-PUB-2022-031. - 2022. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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7841.
Top Quarks + X Summary Plots June 2022
This note presents summary plots for cross section measurements performed by ATLAS and CMS within the Top~Quarks~+~X sub-group as of June 2022..
ATL-PHYS-PUB-2022-030. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7842.
Higgs Highlights at ATLAS / Mijovic, Liza (Edinburgh U.)
As the Higgs boson turns 10 this Summer, and the Large Hadron Collider experiments eagerly await the next round of data-taking, the ATLAS collaboration has recently reached important new insights into the Higgs mechanism. [...]
arXiv:2206.08099 ; ATL-PHYS-PROC-2022-044. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7843.
Top EFT summary plots June 2022
This note presents figures that summarise the limits on effective field theory (EFT) operators derived from measurements of the ATLAS top working group and LHC Top working group (ATLAS+CMS). [...]
ATL-PHYS-PUB-2022-029. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7844.
The ATLAS New Small Wheel new Muon Stations Ready for LHC Run3 / Viaux Maira, Nicolas (Federico Santa Maria Technical University (CL))
After nearly a decade of intense effort, the two New Small Wheels (NSW) for the upgrade of the atlas muon spectrometer are now installed in the experiment and ready for final commissioning and to collect data in LHC Run3, starting March 2022. [...]
ATL-MUON-PROC-2022-003. - 2023. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7845.
The TileCal PreProcessor Interface with the ATLAS Global Data Acquisition System at the HL-LHC / Cervello Duato, Antonio (Univ. of Valencia and CSIC (ES)) ; Carrio Argos, Fernando (University of the Witwatersrand (ZA)) ; Garcia Olcina, Raimundo (Univ. of Valencia and CSIC (ES)) ; Martos Torres, Julio (Univ. of Valencia and CSIC (ES)) ; Torres Pais, Jose (Univ. of Valencia and CSIC (ES)) ; Valero Biot, Alberto (Univ. of Valencia and CSIC (ES)) ; Soret Medel, Jesus (Univ. of Valencia and CSIC (ES))
The Large Hadron Collider (LHC) has envisaged a series of upgrades towards a High Luminosity LHC (HL-LHC) delivering five times the LHC nominal instantaneous luminosity, that will take place throughout 2026-2028, corresponding to the Long Shutdown 3. [...]
ATL-TILECAL-PROC-2022-005. - 2022. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7846.
FELIX: readout upgrade for the ATLAS Trigger DAQ system in HL-LHC / Wu, Mengqing (Nikhef National institute for subatomic physics (NL))
The High Luminosity LHC (HL-LHC) will start to operate in 2029 (Run 4) with an instantaneous luminosities five times higher than the LHC nominal value, where the ATLAS experiment will be operated in an increasingly harsh collision environment. [...]
ATL-DAQ-PROC-2022-003. - 2023. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7847.
Time calibration, monitoring and performance of the ATLAS Tile Calorimeter in Run 2 / Mihule, Kristina (Charles University (CZ))
The Tile Calorimeter (TileCal) is the central hadronic calorimeter of the ATLAS experiment at the LHC. [...]
ATL-TILECAL-PROC-2022-004. - 2023. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7848.
Module development for the ATLAS Phase II Pixel Inner Tracker / Sharma, Abhishek (CERN)
The ATLAS experiment will undergo substantial upgrades to cope with the higher radiation environment and particle hit rates foreseen for HL-LHC. [...]
ATL-ITK-PROC-2022-002. - 2023. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7849.
Upgrade of ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Gomez Delegido, Antonio Jesus (Univ. of Valencia and CSIC (ES))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. [...]
ATL-TILECAL-PROC-2022-003. - 2023. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7850.
Demonstration system of the HGTD peripheral electronics boards for ATLAS phase II upgrade / Han, Liangliang (Nanjing University (CN))
Prior to the prototype of the HGTD peripheral electronics boards (PEB) for ATLAS phase II upgrade during the HL-LHC, a demonstration system has been developed to shed light on some uncertain aspects and facilitate many related studies and tests. [...]
ATL-HGTD-PROC-2022-001. - 2023. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7851.
Performance studies of single-particle uncertainties and local cluster weighting calibration for Particle-Flow jets with the ATLAS detector at $\sqrt{s}$ = 13 TeV / Wenke, Nina Stephanie (Max Planck Society (DE))
Jets play a central role in many physics analyses. [...]
ATL-PHYS-PROC-2022-045. - 2023. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7852.
Characterization of the Polysilicon Resistor in Silicon Strip Sensors for ATLAS Inner Tracker as a Function of Temperature, Pre- And Post-Irradiation / ATLAS Collaboration
The high luminosity upgrade of the Large Hadron Collider, foreseen for $2029$, requires the replacement of the ATLAS Inner Detector with a new all-silicon Inner Tracker (ITk). [...]
ATL-ITK-PROC-2022-004. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7853.
The ATLAS Inner Detector tracking trigger at 13 TeV in LHC Run-2 and new developments on standard and unconventional tracking signatures for the upcoming LHC Run-3 / Long, Jonathan (Univ. Illinois at Urbana Champaign (US))
The performance of the Inner Detector tracking trigger of the ATLAS experiment at the LHC is evaluated for the data taking period of Run 2 (2015-2018). [...]
ATL-DAQ-PROC-2022-005. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7854.
Test and extraction methods for the QC parameters of silicon strip sensors for ATLAS upgrade tracker / ATLAS Collaboration
The Quality Control (QC) of pre-production strip sensors for the Inner Tracker (ITk) of the ATLAS Inner Detector upgrade has finished, and the collaboration has embarked on the QC test programme for production sensors. [...]
ATL-ITK-PROC-2022-003. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7855.
Upgrade of the first-level muon trigger for the ATLAS experiment at the HL-LHC / Cieri, Davide (Max Planck Society (DE))
The HL-LHC upgrade will not only significantly increase the collider's physics reach, but also pose challenging requirements on the performance of the detector. [...]
ATL-DAQ-PROC-2022-004. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7856.
ATLAS LAr Calorimeter Commissioning for LHC Run-3 / Zhang, Tingyu (University of Tokyo (JP))
As a part of the ATLAS Phase-I Upgrade program, the Liquid Argon (LAr) Calorimeter has been equipped with new trigger readout electronics to enhance the physics reach during the upcoming Run-3 operation (2022-2025) at increased instantaneous luminosity. [...]
ATL-LARG-PROC-2022-001. - 2023. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7857.
Summary Plots for Heavy Particle Searches and Long-lived Particle Searches - July 2022
The results of searches for heavy particles from the Exotics and HDBS physics groups and long-lived particles from the Exotics and SUSY physics groups are summarized in plots for a representative set of models. [...]
ATL-PHYS-PUB-2022-034. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7858.
Search for non-resonant production of semi-visible jets using Run 2 data in ATLAS
The signature of semi-visible jets can arise in strongly-interacting dark sectors, resulting in a unique event topology where one of the jets is aligned with the missing transverse momentum direction. [...]
ATLAS-CONF-2022-038. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7859.
Search for scalar leptoquarks in the b$\tau\tau$ final state in $pp$ collisions at $\sqrt{s} =$~13~TeV with the ATLAS detector
A search for singly-produced scalar leptoquarks decaying to $b\tau$ in proton-proton collisions is performed using Run 2 data from the Large Hadron Collider corresponding to an integrated luminosity of 139~fb$^{-1}$ at $\sqrt{s} = 13$~TeV recorded by the ATLAS detector. [...]
ATLAS-CONF-2022-037. - 2022. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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7860.
Search for invisible particles produced in association with single top quarks in proton–proton collisions at $\sqrt{s} =13$ TeV with the ATLAS detector
A search for events with one top quark and missing transverse momentum in the final state is presented. [...]
ATLAS-CONF-2022-036. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7861.
ATLAS toward the High Luminosity era: challenges on electronic systems / Tartarelli, Francesco (Università degli Studi e INFN Milano (IT))
In order to face the challenging experimental conditions at the HL-LHC, the ATLAS detector will be equipped with new sets of both front-end and off-detector electronics and a new trigger and data acquisition system able to cope with the expected event rates and pile-up levels. [...]
ATL-UPGRADE-PROC-2022-001. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7862.
Searches for resonances decaying to pairs of heavy bosons in ATLAS / Palazzo, Alessandra (INFN Lecce e Universita del Salento (IT))
Many new physics models predict the existence of Higgs-like particles decaying into two bosons ( W , Z , photon, or Higgs boson) making these important signatures in the search for new physics. [...]
ATL-PHYS-PROC-2022-047. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7863.
The ATLASpdf21 fit: a novel determination of proton Parton Distribution Functions using ATLAS data / Giuli, Francesco (CERN)
Proceeding of an ATLAS talk given at DIS 2022
ATL-PHYS-PROC-2022-046. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7864.
Effect of irradiation and annealing performed with bias voltage applied across the coupling capacitors on the interstrip resistance of ATLAS ITk silicon strip sensors / ATLAS Collaboration
The powering configuration of the silicon strip modules developed for the new Inner Tracker of the ATLAS experiment includes a voltage of up to 0.5 V across the coupling capacitor of each individual strip. [...]
ATL-ITK-PROC-2022-005. - 2022. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7865.
Performance of ATLAS Pixel Detector and Track Reconstruction at the start of Run~3 in LHC Collisions at $\sqrt{s}=900~\GeV$
This note presents a first characterisation of the response of the ATLAS Pixel detector and of track reconstruction obtained from the analysis of 900~GeV $pp$ collisions in the LHC in May and June 2022 at the start of Run 3. [...]
ATL-PHYS-PUB-2022-033. - 2022. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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7866.
Overview of ATLAS forward proton detectors for LHC Run 3 and plans for the HL-LHC / Trzebinski, Maciej (Polish Academy of Sciences (PL))
The status of the ATLAS Roman Pot detectors (AFP and ALFA) for LHC Run 3 after all refurbishments and improvements done during Long Shutdown 2 is discussed..
arXiv:2310.11783 ; ATL-FWD-PROC-2022-001. - 2023-03-06. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7867.
ATLAS Inner Detector alignment towards Run 3 / Sabatini, Paolo (Univ. of Valencia and CSIC (ES))
The algorithm used in the alignment of the Inner Detector of the ATLAS experiment is based on the track-to-hit residual minimization in a sequence of hierarchical levels mimicking the detector assembly: from large mechanical structures to individual modules. [...]
ATL-PHYS-PROC-2022-051. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7868.
Search for Higgs boson pair production in association with a vector boson in pp collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
This paper reports a search for Higgs boson pair (hh) production in association with a vector boson (W or Z) using 139 $fb^{-1}$ of the proton-proton collision data at $\sqrt{s}$ = 13 TeV recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2022-043. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7869.
Search for the direct production of charginos and neutralinos in final states with tau leptons in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector
Two searches for the direct production of charginos and neutralinos with intermediate tau sleptons or Wh, in final states with at least two hadronically decaying $\tau$-leptons, are presented. [...]
ATLAS-CONF-2022-042. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7870.
Search for a new $Z'$ gauge boson in $4\mu$ events with the ATLAS experiment
This note presents a search for a new $Z'$ vector gauge boson with the ATLAS experiment at the Large Hadron Collider using $pp$ collision data collected at $\sqrt{s} = 13$ TeV, corresponding to an integrated luminosity of 139 fb$^{-1}$. [...]
ATLAS-CONF-2022-041. - 2022. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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7871.
Observation of an excess of di-charmonium events in the four-muon final state with the ATLAS detector
A search for potential $cc\bar{c}\bar{c}$ tetraquarks decaying into a pair of charmonium states in the four muon final state is performed using proton-proton collision data at $\sqrt{s}=13$ TeV, corresponding to an integrated luminosity of 139 fb$^{-1}$ recorded by the ATLAS experiment at the Large Hadron Collider (LHC). [...]
ATLAS-CONF-2022-040. - 2022. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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7872.
Search for heavy Higgs bosons from a g2HDM in multilepton plus $b$-jets final states in $pp$ collisions at $13\,\mathrm{TeV}$ with the ATLAS detector
A search for new heavy scalars with flavour-violating decays in final states with multiple leptons and $b$-tagged jets is presented. [...]
ATLAS-CONF-2022-039. - 2022. - 42 p.
Original Communication (restricted to ATLAS) - Full text
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7873.
ATLAS ITk Track Reconstruction with a GNN-based pipeline / Caillou, Sylvain (Centre National de la Recherche Scientifique (FR)) ; Calafiura, Paolo (Lawrence Berkeley National Lab. (US)) ; Farrell, Steven Andrew ; Ju, Xiangyang (Lawrence Berkeley National Lab. (US)) ; Murnane, Daniel Thomas (Lawrence Berkeley National Lab. (US)) ; Rougier, Charline (Centre National de la Recherche Scientifique (FR)) ; Stark, Jan (Centre National de la Recherche Scientifique (FR)) ; Vallier, Alexis (Centre National de la Recherche Scientifique (FR))
In preparation for the upcoming HL-LHC era, ATLAS is pursuing several methods to reduce the resources consumption needed to reconstruct the trajectory of charged particles (tracks) in the new all-silicon Inner Tracker (ITk). [...]
ATL-ITK-PROC-2022-006. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7874.
Improved Track Reconstruction Performance for Long-lived Particles in ATLAS / Burzynski, Jackson Carl (Simon Fraser University (CA))
Searches for long-lived particles (LLPs) are among the most promising avenues for discovering physics beyond the Standard Model at the LHC. [...]
ATL-PHYS-PROC-2022-050. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7875.
Jet and photon physics in ATLAS and CMS / LeBlanc, Matt (CERN)
Differential cross-section measurements of jet and photon production and jet substructure observables are multi-faceted physics analyses that can be used to probe the strong coupling and proton structure, to test new theoretical predictions and to improve non-perturbative models. [...]
ATL-PHYS-PROC-2022-049. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7876.
ATLAS measurements of photon-photon fusion processes in Pb+Pb collisions / Grabowska-Bold, Iwona (AGH University of Science and Technology (PL))
Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons, leading to multiple photon-induced processes. [...]
ATL-PHYS-PROC-2022-048. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7877.
Development of the ATLAS Liquid Argon Calorimeter Readout Electronics and Machine Learning for the HL-LHC / Gonski, Julia Lynne (Columbia University (US))
The High Luminosity era of the Large Hadron Collider (LHC) starting in 2029 promises exciting discovery potential, giving unprecedented precision on key new physics models and characterization of the Higgs boson. [...]
ATL-LARG-PROC-2022-002. - 2022. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7878.
Combined effective field theory interpretation of Higgs boson and weak boson production and decay with ATLAS data and electroweak precision observables
Wilson coefficients of the Standard Model Effective Field Theory (SMEFT) are constrained in a combined fit of measurements of Higgs boson production and decay in the framework of Simplified Template Cross Sections and differential cross-section measurements of weak boson production at the ATLAS experiment as well as electroweak precision observables measured at the LEP and SLC colliders. [...]
ATL-PHYS-PUB-2022-037. - 2022. - 51 p.
Original Communication (restricted to ATLAS) - Full text
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7879.
Dark matter summary plots for $s$-channel, 2HDM+$a$ and Dark Higgs models
This is an update of summary plots from the Exotics, SUSY, HDBS and Higgs working groups, via the CDM sub-group, for dark matter simplified models with s-channel Spin-1 and Spin-0 mediators, a Two-Higgs-Doublet model with a pseudoscalar mediator (2HDM+a) and Dark Higgs model. [...]
ATL-PHYS-PUB-2022-036. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7880.
Reweighting heavy-flavor production fractions to reduce flavor modelling uncertainties for ATLAS
The ability to identify jets originating from $b$- and $c$-hadrons (flavor tagging) is one of the key experimental techniques that enables a wide range of searches and measurements by the ATLAS experiment. [...]
ATL-PHYS-PUB-2022-035. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7881.
Search for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for long-lived particles decaying into hadrons is presented. [...]
ATLAS-CONF-2022-054. - 2022. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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7882.
Observation of gauge boson joint-polarisation states in $W^{\pm}Z$ production from $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Measurements of joint-polarisation states of $W$ and $Z$ gauge bosons in $W^{\pm}Z$ production are presented. [...]
ATLAS-CONF-2022-053. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7883.
Search for leptoquark pair production decaying to $tℓ^-\bar{t}ℓ^+$ in multilepton final states in pp collisions at 13 TeV with the ATLAS detector
A search for leptoquark pair production decaying to $t \ell^- \bar{t} \ell^+$ in final states with multiple leptons is presented. [...]
ATLAS-CONF-2022-052. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7884.
Search in diphoton and dielectron final states for displaced production of Higgs or Z bosons with the ATLAS detector in $\sqrt{s} = 13$ TeV $pp$ collisions
A search is presented for displaced production of Higgs bosons or $Z^0$ bosons, originating from the decay of a neutral long-lived particle (LLP) and reconstructed in the decay modes $H\rightarrow \gamma\gamma$ and $Z\rightarrow ee$. [...]
ATLAS-CONF-2022-051. - 2022. - 31 p.
Original Communication (restricted to ATLAS) - Full text
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7885.
Constraining the Higgs boson self-coupling from single- and double-Higgs production with the ATLAS detector using $pp$ collisions at $\sqrt{s}=13$ TeV
Constraints on the Higgs boson self-coupling are set by combining the double-Higgs boson analyses in the $b\bar{b}b\bar{b}$, $b\bar{b}\tau^+\tau^-$ and $b\bar{b} \gamma \gamma$ decay channels with the single-Higgs boson analyses targeting the $\gamma \gamma$, $ZZ^*$, $WW^*$, $\tau^+ \tau^-$ and $b\bar{b}$ final states. [...]
ATLAS-CONF-2022-050. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7886.
Measurement of the charge asymmetry in top quark pair production in association with a photon with the ATLAS experiment
A measurement of the charge asymmetry in top quark pair ($t\bar{t}$) production in association with a photon is presented. [...]
ATLAS-CONF-2022-049. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7887.
Search for new phenomena in multi-body invariant masses in events with at least one isolated lepton using √𝒔 = 13 TeV proton–proton collision data collected by the ATLAS detector
A search for resonances in events with at least one isolated charged lepton (e or μ) is performed using 139fb−1 of s√=13 TeV proton-proton collision data recorded by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2022-048. - 2022. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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7888.
Measurements of Z$\gamma\, +$ jets differential cross sections in $pp$ collisions at $\sqrt{s}=13~\TeV$ with the ATLAS detector
Differential cross-section measurements of $Z\gamma$ production in association with hadronic jets are presented, using the full Run-2 proton-proton dataset of 139 fb$^{-1}$ produced by the LHC at $\sqrt{s}=13~\TeV$ and collected by the ATLAS detector. [...]
ATLAS-CONF-2022-047. - 2022. - 48 p.
Original Communication (restricted to ATLAS) - Full text
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7889.
Study of $Z \to ll\gamma$ decays at $\sqrt{s}$ = 8 TeV in the ATLAS experiment at the LHC
This note presents a study of $Z \to ll\gamma$ decays in the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2022-046. - 2022. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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7890.
Anomaly detection search for new resonances decaying into a Higgs boson and a generic new particle $X$ in hadronic final states using $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS detector
A search is presented for a heavy resonance $Y$ decaying into a Standard Model Higgs boson $H$ and a new particle $X$ in a fully hadronic final state. [...]
ATLAS-CONF-2022-045. - 2022. - 29 p.
Original Communication (restricted to ATLAS) - Full text
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7891.
The upgrade of the ATLAS Luminosity detector (LUCID) for HL-HLC / Lasagni Manghi, Federico (Universita e INFN, Bologna (IT))
Throughout ATLAS Run-2, the LUCID detector, that is located close to the beampipe on both side of the interaction point, has been the reference luminosity detector, providing the on-line and off-line luminosity measurement with high stability and a preliminary uncertainty of about 1.7\% [...]
ATL-FWD-PROC-2022-002. - 2023. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7892.
The ATLAS ITk Detector System for the Phase-II LHC Upgrade / Gonella, Laura (University of Birmingham (GB))
The ATLAS experiment is planning a complete replacement of its inner detector with a new all-silicon inner tracker for the high luminosity phase of the LHC. [...]
ATL-ITK-PROC-2022-007. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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7893.
Search for Third-Generation Vectorlike Leptons in pp Collisions at √𝒔 = 13 TeV with the ATLAS detector
A search for vectorlike leptons coupling to the third generation Standard Model leptons in the multilepton (two, three, and four or more light leptons) final state with zero or more hadronic tau lepton decays is presented. [...]
ATLAS-CONF-2022-044. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7894.
Construction and testing of the sMDT system for the HL-LHC ATLAS muon detector upgrade / ATLAS MDT Collaboration
The ATLAS HL-LHC upgrade includes an upgrade to the Muon Spectrometer in which the Monitored Drift Tube (MDT) chambers in the barrel inner small-sectors are replaced with new small-diameter MDT (sMDT) chambers. [...]
ATL-MUON-PROC-2022-004. - 2023. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7895.
Long term aging test of the new PMTs for the HL-LHC ATLAS hadron calorimeter upgrade / Chiarelli, Giorgio (Universita & INFN Pisa (IT)) ; Di Gregorio, Giulia ; Leone, Sandra (Universita & INFN Pisa (IT)) ; Scuri, Fabrizio (Universita & INFN Pisa (IT))
In the HL-LHC phase we expect that PMTs installed in the ATLAS Tile Calorimeter, will collect a large anodic charge with a reduction of their response. [...]
ATL-TILECAL-PROC-2022-007. - 2022. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7896.
EFT interpretation in top-quark sector at ATLAS / Lysak, Roman (Czech Academy of Sciences (CZ))
No clear signals of a physics beyond the Standard Model have been observed at the Large Hadron Collider (LHC) at CERN. [...]
ATL-PHYS-PROC-2022-053. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7897.
An environmental monitoring and control system for the ATLAS ITk Outer Barrel QC and Integration. / Alvarez Feito, Diego (CERN) ; Joos, Hans Ludwig (Georg August Universitaet Goettingen (DE)) ; Kuehn, Susanne (CERN) ; Pacifico, Nicola (CERN) ; Pettersen, Jarl Nysaeter (CERN) ; Pons, Xavier (CERN) ; Vormwald, Benedikt (CERN)
This paper describes the development of a system based on Programmable Logic Controllers (PLC) for safety interlocking and environmental monitoring during ITk Outer Barrel loaded local support QC and later integration. [...]
ATL-ITK-PROC-2022-010. - 2022. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7898.
Analysis of humidity sensitivity of silicon strip sensors for ATLAS upgrade tracker, pre- and post-irradiation / ATLAS Collaboration
During the prototyping phase of the new ATLAS ITk large area strip sensors, a degradation of the device breakdown voltage at high humidity was observed. [...]
ATL-ITK-PROC-2022-009. - 2022. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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7899.
The ITk interlock hardware portection system / Kersten, Susanne (Bergische Universitaet Wuppertal (DE)) ; Borecka-Bielska, Hanna Maria (Universite de Montreal (CA)) ; Chen, Wen Chao (Universite de Montreal (CA)) ; Dulsen, Carsten (Bergische Universitaet Wuppertal (DE)) ; Martin, Jean-Pierre (Universite de Montreal (CA)) ; Kind, Peter (Bergische Universitaet Wuppertal (DE)) ; Starinski, Nikolai (Universite de Montreal (CA)) ; Wensing, Marius (Bergische Universitaet Wuppertal (DE))
For the upgrade of the Large Hadron Collider to the High-Luminosity Large Hadron Collider (HL-LHC) the ATLAS detector will install a new Inner Tracker (ITk), which consists completely of silicon detectors. [...]
ATL-ITK-PROC-2022-008. - 2022. - 2 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - Full text - Full text
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7900.
Flow and transverse momentum correlation in Pb+Pb and Xe+Xe collisions with ATLAS: assessing the initial condition of the QGP / Bhatta, Somadutta (Stony Brook University (US))
One important challenge in our field is to understand the initial condition of the QGP and constrain it using sensitive experimental observables. [...]
arXiv:2210.00159 ; ATL-PHYS-PROC-2022-052. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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7901.
Study of ordered hadron chains in proton-proton, proton-lead and lead-lead collisions with the ATLAS detector
An analysis of momentum differences between charged hadrons in high--energy proton--proton, proton--lead and lead--lead collisions is performed in order to study the dynamics of hadronization. [...]
ATLAS-CONF-2022-055. - 2022. - 52 p.
Original Communication (restricted to ATLAS) - Full text
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7902.
Performance and Calibration of the ATLAS Tile Calorimeter / Davidek, Tomas (Charles University (CZ))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. [...]
ATL-TILECAL-PROC-2022-006. - 2022. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7903.
ATLAS LAr calorimeter commissioning for the LHC Run 3 / Betti, Alessandra (Sapienza Universita e INFN, Roma I (IT))
The Liquid Argon Calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region $|\eta|<3.2$, and for hadronic and forward calorimetry in the region from $|\eta| = 1.5$ to $|\eta| = 4.9$. [...]
ATL-LARG-PROC-2022-003. - 2022. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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7904.
ATLAS ITk tracking and readout performance / Bortoletto, Daniela (University of Oxford (GB))
The ATLAS Inner Detector will be replaced with a new all-silicon Inner Tracker (ITk) designed for the challenging environment of the High Luminosity LHC (HL-LHC). [...]
ATL-ITK-PROC-2022-011. - 2022. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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7905.
Continuous Integration for the Software and the Firmware of the new ATLAS Muon-Central-Trigger-Processor Interface (MUCTPI) / ATLAS Collaboration
The new Muon-Central-Trigger-Processor Interface (MUCTPI) is part of the upgrade of the ATLAS Level-1 trigger system for run 3 of the Large Hadron Collider at CERN. [...]
ATL-DAQ-PROC-2022-006. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7906.
Search for electroweak production of supersymmetric sleptons and charginos with the ATLAS detector / Ballabene, Eric (Università degli Studi e INFN Milano (IT))
A new search for the electroweak production of supersymmetric particles decaying into two leptons with missing transverse momentum is presented. [...]
ATL-PHYS-PROC-2022-054. - 2023. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7907.
R=0.4 jets input comparison and Monte Carlo calibration with the ATLAS Detector
In the ATLAS experiment at the Large Hadron Collider, jets play a central role in many physics analyses. [...]
ATL-PHYS-PUB-2022-038. - 2022.
Original Communication (restricted to ATLAS) - Full text - Full text
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7908.
Evolution of Regional, Age and Gender Demographics in the ATLAS Collaboration / Pacey, Holly (University of Cambridge (GB))
The ATLAS Collaboration consists of more than 5000 members, from over 100 different countries. [...]
ATL-OREACH-PROC-2022-002. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7909.
Upgrade of ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Zenis, Tibor (Comenius University (SK))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. [...]
ATL-TILECAL-PROC-2022-008. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7910.
Software based readout driver evolution towards 1 MHz readout as part of the ATLAS HL-LHC upgrade / Kolos, Serguei (University of California Irvine (US)) ; ATLAS TDAQ Collaboration
The High-Luminosity Large Hadron Collider (HL-LHC), which should begin operation in 2029, aims to increase LHC luminosity by a factor of 10 beyond its original design. [...]
ATL-DAQ-PROC-2022-009. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7911.
Performance of charged-particle reconstruction within energetic jets in ATLAS for Run 3 data taking / Ducu, Otilia Anamaria (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO))
For Run 3 data taking the track reconstruction algorithm used for the ATLAS Inner Detector has been optimized with a particular focus on minimizing the number of erroneous and low-quality tracks processed by rejecting them as early as possible. [...]
ATL-PHYS-PROC-2022-055. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7912.
Development of the PreProcessor Modules for the Upgrade of the ATLAS Tile Calorimeter Towards the High-Luminosity LHC / Carrio Argos, Fernando (University of the Witwatersrand (ZA)) ; Cervello Duato, Antonio (Univ. of Valencia and CSIC (ES)) ; Valero Biot, Alberto (Univ. of Valencia and CSIC (ES))
The Tile Calorimeter (TileCal) is the central hadronic calorimeter of the ATLAS experiment at the Large Hadron Collider (LHC). [...]
ATL-TILECAL-PROC-2022-011. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7913.
Performance evaluation of modern time-series database technologies for the ATLAS operational monitoring data archiving service / Vasile, Matei (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Avolio, Giuseppe (CERN) ; Soloviev, Igor (University of California Irvine (US)) - test design and strategy test design and strategy
The Trigger and Data Acquisition system of the ATLAS experiment at the Large Hadron Collider at CERN is composed of a large number of distributed hardware and software components which provide the data-taking functionality of the overall system. [...]
ATL-DAQ-PROC-2022-008. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7914.
Design and Performance of the ATLAS Muon Trigger System / Drobac, Alec Swenson (Tufts University (US))
The ATLAS muon trigger system helps identify proton collision events of interest to both Standard Model measurements and searches for new physics. [...]
ATL-DAQ-PROC-2022-007. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text
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7915.
Measurements of multijet event isotropies using optimal transport with the ATLAS detector
A measurement of novel event shapes characterizing the isotropy of collider events is performed in 139 fb$^{-1}$ of proton--proton collisions with $\sqrt{s}=13$ TeV centre-of-mass energy recorded with the ATLAS detector at CERN's Large Hadron Collider. [...]
ATLAS-CONF-2022-056. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7916.
Upgrade of ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Starovoitov, Pavel (Ruprecht Karls Universitaet Heidelberg (DE))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. [...]
ATL-TILECAL-PROC-2022-010. - 2022. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7917.
Performance and calibration of the ATLAS Tile Calorimeter / Andrean, Stefio Yosse (Stockholm University (SE))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. [...]
ATL-TILECAL-PROC-2022-009. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7918.
Upgrade of ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Nkadimeng, Edward Khomotso (University of the Witwatersrand (ZA))
The Tile Calorimeter (TileCal) is a sampling hadronic calorimeter covering the central region of the ATLAS experiment, with steel as absorber and plastic scintillators as active medium. [...]
ATL-TILECAL-PROC-2022-013. - 2023. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7919.
DeXTer: Deep Sets based Neural Networks for Low-$p_{T}$ $X \rightarrow $ $b\bar{b}$ Identification in ATLAS
Several flavor tagging algorithms exist in ATLAS for jets containing two $b$-hadrons. [...]
ATL-PHYS-PUB-2022-042. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7920.
Flavor Tagging Efficiency Parametrisations with Graph Neural Networks
The identification of jets containing $b$-hadrons is obtained through dedicated flavour-tagging algorithms and is crucial for the physics program of the ATLAS experiment. [...]
ATL-PHYS-PUB-2022-041. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7921.
Point Cloud Deep Learning Methods for Pion Reconstruction in the ATLAS Experiment
The reconstruction and calibration of hadronic final states in the ATLAS detector present complex experimental challenges. [...]
ATL-PHYS-PUB-2022-040. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7922.
Long term aging test of the new PMTs for the HL-LHC ATLAS hadron calorimeter upgrade / Scuri, Fabrizio (Universita & INFN Pisa (IT))
The central hadron calorimeter of the ATLAS experiment at the Large Hadron Collider (LHC) is readout by about 10,000 photomultipliers (PMTs). [...]
ATL-TILECAL-PROC-2022-012. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - Full text
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7923.
Joint ATLAS/CMS ZDC upgrade project for the High Luminosity LHC / Longo, Riccardo (Univ. Illinois at Urbana Champaign (US))
The High Luminosity LHC (HL-LHC) provides the opportunity to study heavy ion, proton-nucleus, photon-nucleus and photon-photon collisions with unprecedented luminosities at the TeV scale. [...]
ATL-FWD-PROC-2022-003. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7924.
Ultraperipheral collisions (experiment) / Dyndal, Mateusz (AGH University of Science and Technology (PL))
Ultraperipheral collisions (UPC) of heavy ions and protons offer a highly interesting opportunity to study various aspects of QED and both perturbative and non-perturbative QCD. [...]
ATL-PHYS-PROC-2022-057. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7925.
Constituent-Based Top-Quark Tagging with the ATLAS Detector
This note presents the performance of constituent-based jet taggers on large radius boosted top quark jets reconstructed from optimized jet input objects in simulated collisions at $\sqrt{s}=13$ TeV. [...]
ATL-PHYS-PUB-2022-039. - 2022. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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7926.
Search for doubly charged Higgs boson production in multi-lepton final states using 139 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / Leban, Blaz (Jozef Stefan Institute (SI))
A search for pair production of doubly charged Higgs ($H^{\pm \pm}$) bosons, each decaying into a pair of prompt, isolated, and highly energetic leptons with the same electric charge, is presented. [...]
ATL-PHYS-PROC-2022-056. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7927.
Searches for dark matter with the ATLAS detector / Costa Batalha Pedro, Rute (LIP - Laboratorio de Instrumentação e Física Experimental de Partículas (PT))
The presence of a non-baryonic Dark Matter (DM) component in the Universe is inferred from the observation of its gravitational interaction. [...]
ATL-PHYS-PROC-2022-059. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7928.
A Burn-in test station for the ATLAS Phase-II Tile-calorimeter low-voltage power supply transformer-coupled buck converters / Mckenzie, Ryan Peter (University of the Witwatersrand (ZA))
The start of the operation of the High Luminosity LHC (HL-LHC) is planned for the year 2029 [...]
ATL-TILECAL-PROC-2022-015. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7929.
Integration and Commissioning of the ATLAS Tile Demonstrator Module for Run 3 / Carrio Argos, Fernando (University of the Witwatersrand (ZA))
The Tile Calorimeter (TileCal) is the central hadronic calorimeter of the ATLAS experiment at Large Hadron Collider (LHC). [...]
ATL-TILECAL-PROC-2022-014. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7930.
Measurements of top quark production cross-sections with the ATLAS detector / Hawkings, Richard (CERN)
The LHC produces a vast sample of top quark pairs and single top quarks. [...]
ATL-PHYS-PROC-2022-058. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7931.
Testbeam studies of irradiated modules for the ATLAS ITk Strip upgrade / Steentoft, Jonas (Uppsala University (SE))
To cope with the occupancy and radiation environment expected at the High-Luminosity LHC, the ATLAS experiment will replace its Inner Detector with an all-silicon Inner Tracker (ITk), containing pixel and strip subsystems. [...]
ATL-ITK-PROC-2022-012. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7932.
Latest measurements of the top quark pair production cross-section with the ATLAS detector / Serkin, Leonid (Abdus Salam Int. Cent. Theor. Phys. (IT))
Three recent measurements of the top quark pair production cross-section $\sigma(t\bar{t})$ by the ATLAS Collaboration are summarised: the measurement of the inclusive $\sigma(t\bar{t})$ performed using proton-proton collisions at $\sqrt{s} = 5.02$ TeV in the single-lepton and dilepton final states and their combination, the measurement of the differential $\sigma(t\bar{t})$ using boosted top quarks in the all-hadronic final state at $\sqrt{s} = 13$ TeV, and the measurement of the differential $\sigma(t\bar{t})$ using boosted top quark pair events in the lepton+jets channel at $\sqrt{s} = 13$ TeV. [...]
ATL-PHYS-PROC-2022-066. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7933.
Search for direct production of electroweakinos in final states with one lepton, jets and missing transverse momentum and in p p collisions at √s = 13 TeV with the ATLAS detector
Two searches for electroweak production of chargino-neutralino, χ ̃1± χ ̃20, and chargino-chargino, χ ̃1+ χ ̃1−, pairs are presented. [...]
ATLAS-CONF-2022-059. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7934.
Measurement of the top-quark mass in $t\bar{t} \to$ dilepton events with the ATLAS experiment using the template method in 13 TeV $pp$ collision data
This document describes the top-quark mass measurement in top-quark pair production using the full Run 2 dataset collected with the ATLAS experiment at $\sqrt{s}$=13 TeV, which amounts to 139 fb$^{-1}$. [...]
ATLAS-CONF-2022-058. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7935.
Search for direct production of winos and higgsinos in events with two same-sign or three leptons in $pp$ collision data at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for supersymmetry targeting the direct production of winos and higgsinos is conducted in final states with either two leptons ($e$ or $\mu$) with the same electric charge, or at least three leptons. [...]
ATLAS-CONF-2022-057. - 2022. - 55 p.
Original Communication (restricted to ATLAS) - Full text
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7936.
High-$p_T$ experimental results on QCD / Llorente Merino, Javier (Simon Fraser University (CA))
Measurements by the ATLAS and CMS Collaborations, sensitive to different aspects of the QCD modelling, are presented. [...]
ATL-PHYS-PROC-2022-065. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7937.
Performance of ATLAS Forward Proton Detector during LHC Run 2 / Erland, Paula Agnieszka (Polish Academy of Sciences (PL))
Since its installation in 2016, AFP took data during standard (low- β ∗ , high- μ ) and special (low- β ∗ , low- μ ) LHC fills. [...]
ATL-FWD-PROC-2022-004. - 2023. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7938.
Physics and performance of the High Granularity Timing Detector / Bendebba, Fatima (Universite Hassan II, Ain Chock (MA))
The expected increase in particle flux in the high-luminosity phase of the LHC (HL-LHC), with an instantaneous luminosity that can reach $L = 7.5 \times 10^{34} ~~ cm^{-2} ~~ s^{-1}$, will have a significant impact on the pile-up with potentially 200 interactions per bunch crossing. [...]
ATL-HGTD-PROC-2022-002. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7939.
Angular Analysis of $B_{d}^{0} \to K^{\star0}\mu^{+}\mu^{-}$ Decays at ATLAS / Sykora, Martin (Charles University (CZ))
The large amount of Heavy Flavour data collected by the ATLAS experiment allow to analyze rare processes potentially sensitive to New Physics, which could be evident in processes that are naturally suppressed in the Standard Model. [...]
ATL-PHYS-PROC-2022-064. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7940.
Hard probes of heavy ion collisions with ATLAS / Krivos, Martin (Charles University (CZ))
This proceeding gives an overview of the latest hard process measurements in heavy ion collision systems with the ATLAS detector at the LHC, utilizing the high statistics of 5.02 TeV Pb+Pb data collected in 2015 and 2018. [...]
ATL-PHYS-PROC-2022-063. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7941.
The new ATLAS triggers for long-lived particles that leave unconventional signatures in the tracking detectors / Kerridge, Benjamin Philip (University of Warwick (GB))
The Large Hadron Collider (LHC) provides unique opportunities to directly search for new physics Beyond the Standard Model (BSM). [...]
ATL-DAQ-PROC-2022-010. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7942.
Exclusive dilepton production in ultraperipheral Pb+Pb collisions in ATLAS / Ogrodnik, Agnieszka Ewa (AGH University of Science and Technology (PL))
Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons, leading to multiple photon-induced processes. [...]
ATL-PHYS-PROC-2022-062. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7943.
Measurement of high-pT electron performance in proton-lead collisions in the ATLAS experiment / Potepa, Patrycja Anna (AGH University of Science and Technology (PL))
Electrons constitute an essential component of final states from the leptonic decay channels of W and Z bosons. [...]
ATL-PHYS-PROC-2022-061. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7944.
Measurements of Higgs boson associated production with top quarks at the ATLAS experiment / Carvalho, Luisa (LIP - Laboratorio de Instrumentação e Física Experimental de Partículas (PT))
The Higgs boson production in association with top quarks provides a unique probe of the top Yukawa coupling. [...]
ATL-PHYS-PROC-2022-060. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7945.
Measurement of the polarisation of $W$ bosons produced in top-quark decays using di-lepton events at $\sqrt{s} = 13$ TeV with the ATLAS experiment
A measurement of the polarisation of $W$ bosons produced in top decays is presented, using proton-proton collision data at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV. [...]
ATLAS-CONF-2022-063. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7946.
Search for leptonic charge asymmetry in $t\bar{t}W$ production in final states with three leptons at $\sqrt{s} = 13$ TeV
A search for the leptonic charge asymmetry ($A_{c}^{\ell}$) of top-quark-antiquark pair production in association with a $W$ boson ($t\bar{t}W$) is presented. [...]
ATLAS-CONF-2022-062. - 2022. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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7947.
Measurement of lepton kinematic distributions in the $e\mu$ decay channel of $t\bar{t}$ events observed in $pp$ collisions at $\sqrt{s}=13\;$TeV with the ATLAS detector
The differential and double differential distributions of kinematic variables of leptons from decays of top quark pairs are measured using the full LHC Run II sample of data collected with the ATLAS detector. [...]
ATLAS-CONF-2022-061. - 2022. - 43 p.
Original Communication (restricted to ATLAS) - Full text
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7948.
Exotic decays of the Higgs and Z bosons / Castillo, Florencia Luciana (Ruprecht Karls Universitaet Heidelberg (DE))
Precision studies of the properties of the Higgs and gauge bosons may provide a unique window for the discovery of new physics at the LHC. [...]
ATL-PHYS-PROC-2022-072. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7949.
Reconstruction, Identification, and Calibration of hadronically decaying tau leptons with the ATLAS detector for the LHC Run 3 and reprocessed Run 2 data
This document describes the reconstruction algorithms employed by the ATLAS experiment for Run 3 of the LHC to reconstruct, identify, and calibrate hadronically decaying $\tau$ leptons. [...]
ATL-PHYS-PUB-2022-044. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7950.
Summary plots for beyond Standard Model Higgs boson benchmarks for direct and indirect searches
This note presents an update of the plots that summarize the interpretations of various searches for additional Higgs bosons beyond the Standard Model, as well as the Higgs boson coupling combination, in the hMSSM and the 2HDM. [...]
ATL-PHYS-PUB-2022-043. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7951.
The ATLAS Upgrade Program / Citron, Zvi (Ben-Gurion University of the Negev (IL))
The ATLAS detector started in 2018 the preparations for an ambitious physics project, aiming the exploration of very rare processes and extreme phase spaces, an endeavor that will require a substantial increase in the amount of data to be taken. [...]
ATL-UPGRADE-PROC-2022-002. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7952.
The new Muon-to-Central-Trigger-Processor Interface at ATLAS / Afik, Yoav (CERN)
The ATLAS trigger system includes a Level-1 (L1) trigger based on custom electronics and firmware, and a high-level trigger based on off-the-shelf hardware and processing software. [...]
ATL-DAQ-PROC-2022-011. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7953.
Observation of associated production of top quarks with the ATLAS experiment / Korn, Steffen (Georg August Universitaet Goettingen (DE))
The large dataset accumulated by the ATLAS detector at a centre of mass energy of $\sqrt{s}=13\,$GeV provided at the LHC allows the study of rare SM top quark production processes [...]
ATL-PHYS-PROC-2022-071. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7954.
Study of the correlation between the construction parameters of the MM readout boards and performance of the Micromegas detectors / Greco, Matteo (INFN Lecce e Universita del Salento (IT))
The ATLAS experiment has been upgraded to take advantage of the improved running conditions foreseen for the Run 3 and High Luminosity LHC operation phase. [...]
ATL-MUON-PROC-2022-005. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7955.
Searches for lepton-flavour-violating decays of the Higgs boson into $e\tau$ and $\mu\tau$ in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
This note presents direct searches for lepton flavour violation in Higgs boson decays, $H\rightarrow e\tau$ and $H\rightarrow\mu\tau$, performed using data collected with the ATLAS detector at the LHC. [...]
ATLAS-CONF-2022-060. - 2022. - 53 p.
Original Communication (restricted to ATLAS) - Full text
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7956.
Experimental overview of EFT measurements in the electroweak sector based on the results of the ATLAS and CMS experiments / Soldatov, Evgeny (National Research Nuclear University MEPhI (RU))
The report contains an overview of the current experimental results from ATLAS and CMS collaborations at LHC interpreted in terms of the effective field theory. [...]
ATL-PHYS-PROC-2022-070. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7957.
Exotic Higgs decays, including new scalars (ATLAS+CMS) / Carratta, Giuseppe (Universita e INFN, Bologna (IT))
Searches for exotic decays of the Standard Model (SM) Higgs boson and for evidence of additional beyond the SM Higgs-like particles provide fundamental tests of the SM theory, leading to possible indications of new physics mechanisms. [...]
ATL-PHYS-PROC-2022-069. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7958.
Higgs Effective Field Theory results with the ATLAS and CMS experiments at the LHC / Sciandra, Andrea (University of California,Santa Cruz (US))
The framework of Effective Field Theory (EFT) Lagrangians is an effective and systematic way to search for physics beyond the Standard Model at the LHC using distributions of events in many topologies. [...]
ATL-PHYS-PROC-2022-068. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7959.
Measurement of the b-tagging efficiency using multi-jet events in ATLAS. / Vecchio, Valentina (University of Manchester (GB))
The identification of jets containing b-hadrons, b-tagging, plays an important role in many physics analyses in ATLAS. [...]
ATL-PHYS-PROC-2022-067. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7960.
Recent ATLAS Results on Forward Physics and Diffraction / Staszewski, Rafal (Polish Academy of Sciences (PL))
The ATLAS detector is equipped with dedicated systems designed for the detection of forward protons produced in diffractive and photon-induced processes. [...]
arXiv:2209.12478 ; ATL-PHYS-PROC-2022-077. - 2024-04-02. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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7961.
Tagging and suppression of pile-up jets in the forward region using timing information with the ATLAS detector at √s = 14 TeV at HL-LHC
The High-Luminosity LHC (HL-LHC) will operate at an instantaneous luminosity of up to 7.5 × 1034 cm−2 s−1, corresponding to an unprecedented average number of proton-proton collisions per bunch crossing of up to 200. [...]
ATL-HGTD-PUB-2022-001. - 2022. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7962.
Determination of the total cross section and $\rho$-parameter from elastic scattering in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / Stenzel, Hasko (Justus-Liebig-Universitaet Giessen (DE))
A new measurement of elastic $pp$ scattering at $\sqrt{s} = 13$ TeV with the ATLAS-ALFA detector is presented. [...]
arXiv:2209.11487 ; ATL-PHYS-PROC-2022-076. - 2022-09-26. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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7963.
$\textrm{t}\bar{\textrm{t}} \textrm{b}\bar{\textrm{b}}$ modeling for $\textrm{t}\bar{\textrm{t}} \textrm{H}$ analyses in ATLAS and CMS / Brahimi, Nihal (Tsung-Dao Lee Institute (CN))
An overview of the Monte Carlo modelling of the top quark pair production in association with bottom quarks ($\textrm{t}\bar{\textrm{t}} \textrm{b}\bar{\textrm{b}}$), is presented. [...]
ATL-PHYS-PROC-2022-075. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7964.
Search for dark photons from Higgs boson decays via $ZH$ production with a photon plus missing transverse momentum signature from $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
This paper describes a search for dark photons ($\gamma_d$) in Higgs boson decay ($H \to \gamma\gamma_d$) produced in proton-proton collisions through the $ZH$ production mode at the Large Hadron Collider at $\sqrt{s}=13$ TeV. [...]
ATLAS-CONF-2022-064. - 2022. - 37 p.
Original Communication (restricted to ATLAS) - Full text
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7965.
ATLAS results on exotic hadronic resonances / Xu, Yue (Tsinghua University (CN))
Recent results from the proton-proton collision data taken by the ATLAS experiment on exotic resonances will be presented. [...]
arXiv:2209.12173 ; ATL-PHYS-PROC-2022-074. - 2024-04-02. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext - Fulltext - Fulltext
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7966.
ATLAS results on exotic hadronic resonances / Xu, Yue (Tsinghua University (CN))
Recent results from the proton-proton collision data taken by the ATLAS experiment on exotic resonances will be presented. [...]
ATL-PHYS-PROC-2022-073. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7967.
Specifications and Pre-production of n$^{+}$-in-p Large-format Strip Sensors fabricated in 6-inch Silicon Wafers, ATLAS18, for the Inner Tracker of the ATLAS Detector for High-Luminosity Large Hadron Collider / ATLAS Collaboration
The ATLAS experiment is constructing new all-silicon inner tracking system for HL-LHC. [...]
ATL-ITK-PROC-2022-016. - 2023. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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7968.
Forward Proton Measurements with ATLAS / Schmidt, Mustafa Andre (Bergische Universitaet Wuppertal (DE))
The ALFA subdetector is designed to measure the $\rho$-parameter and cross-section of elastic proton-proton interactions by reconstructing the spectrum of the momentum transfer. [...]
ATL-PHYS-PROC-2022-080. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7969.
ATLAS ITk strip sensor quality control procedures and testing site qualification / ATLAS Collaboration
The high-luminosity upgrade of the Large Hadron Collider, scheduled to become operational in 2029, requires the replacement of the ATLAS Inner Detector with a new all-silicon Inner Tracker (ITk). [...]
ATL-ITK-PROC-2022-015. - 2022. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7970.
Photon-photon fusion and tau g-2 measurement in ATLAS / Ogrodnik, Agnieszka Ewa (AGH University of Science and Technology (PL))
Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons. [...]
arXiv:2209.15506 ; ATL-PHYS-PROC-2022-079. - 2024-04-02. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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7971.
ATLAS measurements of CP violation and rare decay processes with beauty mesons / Barton, Adam Edward (Lancaster University (GB))
The ATLAS experiment has performed measurements of B-meson rare decays proceeding via suppressed electroweak flavour changing neutral currents, and of mixing and CP violation in the neutral \Bs meson system. [...]
ATL-PHYS-PROC-2022-078. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7972.
Overview of the ATLAS ITk Pixel Detector / Heggelund, Andreas Lokken (University of Oslo (NO))
In the high-luminosity era of the Large Hadron Collider, the instantaneous luminosity is expected to reach unprecedented values, resulting in up to 200 proton-proton interactions per bunch crossing. [...]
ATL-ITK-PROC-2022-014. - 2023. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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7973.
Test of ITk 3D sensor pre-production modules with ITkPixv1.1 chip / ATLAS Collaboration
ITk detector, the new ATLAS tracking system at High Luminosity LHC, will be equipped with 3D pixel sensor modules in the innermost layer (L0). [...]
ATL-ITK-PROC-2022-013. - 2022. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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7974.
Helix String Fragmentation and Charged Particle Correlations with ATLAS / Todorova, Sarka (Charles U.)
Correlations between charged particles provide important insight about hadronization process. [...]
arXiv:2209.14919 ; ATL-PHYS-PROC-2022-084. - 2024-04-03. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext - Fulltext - Fulltext
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7975.
Status of the Level-0 ATLAS barrel muon trigger for High-Luminosity LHC / Morodei, Federico (Sapienza Universita e INFN, Roma I (IT))
The Muon Spectrometer of the ATLAS detector will be substantially modified during the Phase-II Upgrade to cope with the higher particle rates and radiation levels of the High-Luminosity LHC. [...]
ATL-DAQ-PROC-2022-012. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7976.
Inclusive-photon production and its dependence on photon isolation in $pp$ collisions at $\sqrt s=13$ TeV} using 139 fb$^{-1}$ of ATLAS data
Measurements of differential cross sections for inclusive isolated-photon production in $pp$ collisions at a centre-of-mass energy of 13 TeV provided by the LHC and using an integrated luminosity of 139 fb$^{-1}$ of ATLAS data are presented. [...]
ATLAS-CONF-2022-065. - 2022. - 43 p.
Original Communication (restricted to ATLAS) - Full text
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7977.
ATLAS Roman Pots at LHC Run 3 / Staszewski, Rafal (Polish Academy of Sciences (PL))
The ATLAS Roman pot detectors, ALFA and AFP, are being prepared to take data during LHC Run 3. [...]
ATL-FWD-PROC-2022-006. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7978.
High-$p_T$ results and parton density functions from ATLAS. / Llorente Merino, Javier (Simon Fraser University (CA))
The ATLAS detector at the LHC is an ideal experiment to rigorously test QCD in a large variety of final states [...]
ATL-PHYS-PROC-2022-083. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7979.
Precision measurements of jet and photon production at the ATLAS experiment / Callea, Giuseppe (University of Glasgow (GB))
The production of jets and prompt isolated photons at hadron colliders provides stringent tests of perturbative QCD. [...]
arXiv:2210.02598. - 2024-04-03. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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7980.
Determination of proton parton distribution functions using ATLAS data / Zhang, Zhiqing Philippe (Université Paris-Saclay (FR))
We present fits to determine parton distribution functions (PDFs) using a diverse set of measurements from the ATLAS experiment at the LHC, including inclusive $W$ and $Z$ boson production, $t\bar{t}$ production, $W+$jets and $Z+$jets production, inclusive jet production and direct photon production. [...]
ATL-PHYS-PROC-2022-081. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7981.
Establishing the Quality Assurance Programme for the Strip Sensor Production of the ATLAS Tracker Upgrade Including Irradiation with Neutrons, Photons and Protons to HL-LHC Fluences / ATLAS Collaboration
The successful pre-production delivery of strip sensors for the new Inner Tracker ITk for the upgraded ATLAS detector at the High Luminosity LHC CERN has completed and based on their performance full production has commenced. [...]
ATL-ITK-PROC-2022-017. - 2022. - 12 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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7982.
Analysis with AFP and ATLAS Detectors / Erland, Paula Agnieszka (Polish Academy of Sciences (PL))
This paper describes the selection of Single Diffractive Jets (SD JJ) in data collected with the ATLAS Forward Protons (AFP) detectors. [...]
ATL-FWD-PROC-2022-005. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7983.
Radiation studies performed on the High Luminosity ATLAS TileCal link Daughterboard / Valdes Santurio, Eduardo (Stockholm University (SE)) ; Silverstein, Samuel (Stockholm University (SE)) ; Clement, Christophe (Stockholm University (SE)) ; Bohm, Christian (Stockholm University (SE)) ; Dunne, Katherine Elaine (Stockholm University (SE)) ; Lee, Suhyun (Stockholm University (SE))
The new electronics of the ATLAS TileCal for the HL-LHC interfaces the on-detector and off-detector electronics by means of a Daughterboard. [...]
arXiv:2210.08661 ; ATL-TILECAL-PROC-2022-017. - 2023-04-20. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext - Fulltext
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7984.
Upgrade of the ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Fiorini, Luca (Univ. of Valencia and CSIC (ES))
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2022-016. - 2022.
Original Communication (restricted to ATLAS) - Full text
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7985.
Design and testing of long Flexible Printed Circuits for the ATLAS High Granularity Timing Detector demonstrator / Robles Manzano, Marisol (Johannes Gutenberg Universitaet Mainz (DE)) ; Masetti, Lucia (Johannes Gutenberg Universitaet Mainz (DE)) ; Brogna, Andrea Salvatore (Johannes Gutenberg Universitaet Mainz (DE)) ; Weitzel, Quirin (Johannes Gutenberg Universitaet Mainz (DE))
The High Granularity Timing Detector for the ATLAS upgrade is under construction to meet the challenges of the HL-LHC. [...]
ATL-HGTD-PROC-2022-003. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7986.
Measurement of collective dynamics in pp, Xe+Xe, and Pb+Pb collisions with the ATLAS detector / Bold, Tomasz (AGH University of Science and Technology (PL))
This report discusses ATLAS measurements of collective, flow phenomena in a variety of collision systems, including $pp$ collisions at 13 TeV, Xe+Xe collisions at 5.44 TeV, and Pb+Pb collisions at 5.02 TeV. [...]
ATL-PHYS-PROC-2022-087. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7987.
Ultra-Peripheral Collisions physics with ATLAS / Malek, Fairouz (Centre National de la Recherche Scientifique (FR))
Exclusive production of dilepton pairs, $\gamma\gamma \to \ell\ell, \ell = e, \mu, \tau$, is studied using data from ultraperipheral collisions (UPC) of lead nuclei at $\sqrt{s_{NN}}$=5.02~TeV recorded by the ATLAS detector~\cite{atlas} at the LHC. [...]
ATL-PHY-PROC-2022-001. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7988.
Electrical performances of pre-productions staves for the ATLAS ITk Strip Detector Upgrade / Capocasa, Francesca (Brandeis University (US)) ; Gutierrez Zagazeta, Luis Felipe (University of Pennsylvania (US)) ; Stucci, Stefania Antonia (Brookhaven National Laboratory (US)) ; Lynn, David (Brookhaven National Laboratory (US)) ; Van Nieuwenhuizen, Gerrit Jan (Brookhaven National Laboratory (US)) ; Tricoli, Alessandro (Brookhaven National Laboratory (US)) ; Phillips, Peter (Science and Technology Facilities Council STFC (GB))
The ATLAS experiment is currently preparing for an upgrade of the inner tracking detector for High-Luminosity LHC. [...]
ATL-ITK-PROC-2022-019. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7989.
Current status of the End-of-Substructure (EoS) card project for the ATLAS Strip Tracker Upgrade using final ASICs / ATLAS Collaboration
The silicon tracker of the ATLAS experiment will be upgraded for the upcoming High-Luminosity Upgrade of the LHC (HL-LHC). [...]
ATL-ITK-PROC-2022-018. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7990.
Long-lived dark photons at ATLAS: a search for unconventional signatures at the LHC / Longarini, Iacopo (University of California Irvine (US))
Long-lived particles represent a well motivated approach for beyond-Standard Model (SM) physics searches. [...]
ATL-PHYS-PROC-2022-086. - 2023. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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7991.
Global Trigger Versatile Module for ATLAS Phase-II upgrade / Filimonov, Viacheslav (Johannes Gutenberg Universitaet Mainz (DE)) ; Bauss, Bruno (Johannes Gutenberg Universitaet Mainz (DE)) ; Buescher, Volker (Johannes Gutenberg Universitaet Mainz (DE)) ; Schaefer, Uli (Johannes Gutenberg Universitaet Mainz (DE)) ; Ta, Duc Bao (Johannes Gutenberg Universitaet Mainz (DE))
The ATLAS detector at the Large Hadron Collider will undergo a major Phase-II upgrade for the High Luminosity LHC. [...]
ATL-DAQ-PROC-2022-013. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7992.
Higgs differential and fiducial measurements (including boosted) at ATLAS and CMS experiments / Lucio Alves, Fabio Lucio (Nanjing University (CN))
Many measurements exploring the Higgs boson properties since its discovery have been performed. [...]
ATL-PHYS-PROC-2022-085. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7993.
Constraining the Higgs boson self-coupling in a combined measurement of single and double Higgs boson channels at the ATLAS experiment / D'Amico, Valerio (Ludwig Maximilians Universitat (DE))
The most precise measurements of single and double Higgs boson production cross sections are obtained from a combination of measurements performed in different Higgs boson production and decay channels. [...]
ATL-PHYS-PROC-2022-095. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7994.
Measurements of quartic coupling and vector boson scattering in ATLAS / Petukhov, Aleksandr (National Research Nuclear University MEPhI (RU))
Measurements of multiboson production at the LHC probe the electroweak gauge structure of the Standard Model for contributions from anomalous couplings [...]
ATL-PHYS-PROC-2022-094. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7995.
Integration of FPGA RDMA into the ATLAS Readout with FELIX in High Luminosity LHC / Vasile, Matei (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Martoiu, Sorin (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Boukadida, Nayib (Nikhef National institute for subatomic physics (NL)) ; Stoicea, Gabriel (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Micu, Petru (University Politehnica of Bucharest (RO)) ; Dumitru, Alexandru (University Politehnica of Bucharest (RO)) ; Ulmamei, Andrei-Alexandru (University Politehnica of Bucharest (RO)) ; Hobincu, Radu (University Politehnica of Bucharest (RO)) ; Iordache, Cristina-Cerasela (University Politehnica of Bucharest (RO)) - design, hardware development hardware development computer networking support hardware development hardware development support hardware development support software development support software development support
The FELIX system is used to interface the front-end electronics and the commodity hardware in the server farm. [...]
ATL-DAQ-PROC-2022-020. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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7996.
Performance of ALTIROC2 readout ASIC with LGADs for ATLAS HGTD picosecond MIP timing detector - TWEPP22 proceeding / Morenas, Maxime (OMEGA (FR))
ALTIROC2 is a 225-channel ASIC designed in CMOS 130 nm to read out a 15 × 15 matrix of 1.3 mm × 1.3 mm Low Gain Avalanche Diodes (LGAD) for the ATLAS HGTD (High Granularity Timing Detector) [...]
ATL-HGTD-PROC-2022-004. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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7997.
ATLAS LAr Calorimeter Commissioning for LHC Run-3 / Zang, Jiaqi (University of Tokyo (JP))
To cope with the increase of the luminosity at Run-3 of the LHC, new trigger readout electronics have been installed on the Liquid Argon Calorimeters. [...]
ATL-LARG-PROC-2022-004. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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7998.
ATLAS Virtual Visits – Bringing the world to our detector / Manco, Giulia (Pavia University and INFN (IT))
Thanks to Virtual Visits service, the ATLAS collaboration is reaching classrooms and other public targets worldwide since 2010. [...]
ATL-OREACH-PROC-2022-003. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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7999.
Performance and Improvements of the ATLAS Level-1 Muon Trigger for Run 3 / Hayashi, Yuichiro (University of Tokyo (JP))
The LHC is starting the Run 3 operation aiming the luminosity leveled at the peek of $2.0\times10^{34} \ \rm{cm}^{-2} \rm{s}^{-1}$ for 6-10 hours. [...]
ATL-DAQ-PROC-2022-019. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8000.
Automated visual inspection system for ATLAS strip hybrid / Dervan, Paul (University of Liverpool (GB))
A method of automating the visual inspection of ATLAS upgrade strip modules is shown. [...]
ATL-ITK-PROC-2022-031. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8001.
BETSEE: Testing for System-Wide Effects of Single Event Effects on ITk Strips Modules / ATLAS Collaboration
The Inner Tracker silicon strip detector (ITk Strips) is a part of the ATLAS upgrade for the HL-LHC. [...]
ATL-ITK-PROC-2022-030. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8002.
Radiation tolerance studies of the HV-mux GaNFETs for the HL-LHC ATLAS ITk Strip Detector / Gutierrez Zagazeta, Luis Felipe (University of Pennsylvania (US)) ; Capocasa, Francesca (Brandeis University (US)) ; Fielitz, William Guenter (Brookhaven National Laboratory (US)) ; Kierstead, James (Brookhaven National Laboratory (US)) ; Lynn, David (Brookhaven National Laboratory (US)) ; Musso, Christopher David (Brookhaven National Laboratory (US)) ; Stucci, Stefania Antonia (Brookhaven National Laboratory (US))
The ITk Strip is a silicon-strip charged-particle detector that is going to be installed in the ATLAS experiment for the HL-LHC. [...]
ATL-ITK-PROC-2022-029. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8003.
New readout electronics for ATLAS ZDC detector / Korcyl, Krzysztof Marian (Polish Academy of Sciences (PL))
The ATLAS ZDC detectors located in the LHC tunnel detect far-forward neutrons from interactions during lead-lead collisions. [...]
ATL-FWD-PROC-2022-008. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8004.
Shared I/O Developments for Run 3 in the ATLAS Experiment / Mete, Alaettin Serhan (Argonne National Laboratory (US)) ; Van Gemmeren, Peter (Argonne National Laboratory (US))
The ATLAS experiment extensively uses multi-process (MP) parallelism to maximize data-throughput especially in I/O intensive workflows, such as the production of Derived Analysis Object Data (DAOD). [...]
ATL-SOFT-PROC-2022-003. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8005.
Quality Control Testing of the HCC ASIC for the HL-LHC ATLAS ITk Strip Detector / ATLAS Collaboration - Corresponding author
The high-luminosity upgrade to the LHC requires a new silicon-strip charged-particle tracking detector for ATLAS. [...]
ATL-ITK-PROC-2022-028. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8006.
Prototyping Serial Powering for the ATLAS ITk Pixel Detector / Senger, Thomas Christian (University of Bonn (DE))
The high luminosity upgrade for the LHC at CERN requires a complete overhaul of the current inner detectors of ATLAS and CMS. [...]
ATL-ITK-PROC-2022-027. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8007.
Expected tracking performance of the ATLAS Phase-II Inner Tracker Upgrade (ICHEP 2022 proceedings) / Strebler, Thomas (Centre National de la Recherche Scientifique (FR))
The upgrade to the High-Luminosity LHC (HL-LHC), with its increase to 140-200 proton-proton collisions per bunch crossing, poses formidable challenges for track reconstruction. [...]
ATL-ITK-PROC-2022-026. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8008.
Irradiation testing of ASICs for the ATLAS HL-LHC upgrade / ATLAS Collaboration
For the high-luminosity upgrade to the LHC, the ATLAS Inner Detector will be replaced by an all-silicon tracker (ITk) consisting of two systems: pixels and strips. [...]
ATL-ITK-PROC-2022-025. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8009.
Quality Control Testing of the AMAC ASIC for the HL-LHC ATLAS ITk Strip Detector / Gosart, Thomas Christopher (University of Pennsylvania (US)) ; Gutierrez Zagazeta, Luis Felipe (University of Pennsylvania (US)) ; Keener, Paul (University of Pennsylvania (US)) ; Kroll, Joseph Ira (University of Pennsylvania (US)) ; Lu, Sicong (University of Pennsylvania (US)) ; Mayers, Godwin Mc Sherwood (University of Pennsylvania (US)) ; Newcomer, Mitchell Franck (University of Pennsylvania (US)) ; Nikolica, Adrian (University of Pennsylvania (US)) ; Reilly, Michael Bendl (University of Pennsylvania (US)) ; Thomson, Evelyn Jean (University of Pennsylvania (US))
The high-luminosity upgrade to the LHC (HL-LHC) requires an all new inner detector, the Inner Tracker (ITk), composed of strips and pixels subsystems. [...]
ATL-ITK-PROC-2022-024. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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8010.
Testing of the HCC and AMAC functionality and radiation tolerance for the HL-LHC ATLAS ITk Strip Detector / ATLAS Collaboration
The ITk Strip is a new silicon-strip charged-particle detector for the HL-LHC ATLAS experiment. [...]
ATL-ITK-PROC-2022-023. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8011.
Integration and Commissioning of the ATLAS Tile Demonstrator Module for Run 3 / Tlou, Humphry (University of the Witwatersrand (ZA))
The electronics of the ATLAS Tile Calorimeter will be replaced for the HL-LHC. [...]
ATL-TILECAL-PROC-2022-018. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8012.
Sector Logic Development for the ATLAS Level-0 Muon Trigger at HL-LHC / Mitsumori, Yuki (Nagoya University (JP))
The design of the Sector Logic (SL) for the ATLAS Level-0 muon trigger at HL-LHC and the milestones achieved on the hardware and firmware developments are presented. [...]
ATL-DAQ-PROC-2022-018. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8013.
Verification of simulated ASIC functionality and radiation tolerance for the HL-LHC ATLAS ITk Strip Detector / ATLAS Collaboration
ASICs are important components in many HEP detectors and their functional simulation ensures successful operation while minimizing the number of long production cycles. [...]
ATL-ITK-PROC-2022-022. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8014.
The new Muon-to-Central-Trigger-Processor Interface at ATLAS / Koulouris, Aimilianos (CERN) ; ATLAS TDAQ Collaboration
The ATLAS trigger system includes a Level-1 (L1) trigger based on custom electronics and firmware, and a high-level software trigger running on off-the-shelf hardware. [...]
ATL-DAQ-PROC-2022-017. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8015.
Hardware Design and Testing of the Generic Rear Transition Module for the Global Trigger Subsystem of ATLAS Phase-II Upgrade / Bonini, Filiberto (Brookhaven National Laboratory (US))
In the framework of the ATLAS experiment’s Phase-II Upgrade at the High-Luminosity Large Hadron Collider (HL-LHC), new and improved trigger hardware and algorithms will be implemented onto a single-level, 10 $\mu s$-latency architecture. [...]
ATL-DAQ-PROC-2022-016. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8016.
The performance of the ATLAS Inner Detector tracking trigger in high pileup collisions at 13 TeV at the Large Hadron Collider (Run 2) and plans for Run 3 / Simpson, Harry (University of Sussex (GB))
The performance of the Inner Detector tracking trigger of the ATLAS experiment at the LHC is evaluated for the data-taking period of Run 2 (2015-2018). [...]
ATL-DAQ-PROC-2022-015. - 2022. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8017.
Complete design of maximally-automated self-driven control mechanism for a large scale electronics system and its application to the ATLAS Phase-II TGC system / Aoki, Takumi (University of Tokyo (JP))
Establishing a reliable and efficient method to control electronics system consisting of many boards is critical in the system design [...]
ATL-MUON-PROC-2022-006. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8018.
Search for long-lived particles in events with a displaced vertex using the ATLAS detector with the full Run 2 dataset / Wakida, Moe (Nagoya University (JP))
A large number of physics models beyond the Standard Model predict the existence of new, massive, long-lived particles. [...]
ATL-PHYS-PROC-2022-093. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8019.
Search for non-resonant di-Higgs production in the $b\bar{b}b\bar{b}$ final state at $\sqrt{s}=$13 TeV with the ATLAS experiment / Hayashida, Shota (Nagoya University (JP))
Result is presented of the search for non-resonant di-Higgs production in the $b\bar{b}b\bar{b}$ final state √ using the Run-2 dataset of proton-proton collisions at $\sqrt{s}=13$ TeV accumulated with the ATLAS detector. [...]
ATL-PHYS-PROC-2022-092. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8020.
Production and Testing of the Powerboard for ATLAS ITk Strip Barrel Modules / Haber, Carl (Lawrence Berkeley National Lab. (US)) ; Heim, Timon (Lawrence Berkeley National Lab. (US)) ; Kelly, Samantha Rose (Lawrence Berkeley National Lab. (US)) ; Krizka, Karol (University of Birmingham (GB)) ; Zhang, Zhicai (Lawrence Berkeley National Lab. (US))
The upgrade of the ATLAS ITk strips detector for HL-LHC will employ a custom PCB (powerboard) for on-module DC-DC conversion, HV switching, and monitoring. [...]
ATL-ITK-PROC-2022-021. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8021.
New developments in the MDT Trigger Processor for the ATLAS Level-0 Muon Trigger at High Luminosity LHC / Sundararajan, Priya (University of California Irvine (US)) ; Ntekas, Kostas (University of California Irvine (US))
The High Luminosity LHC (HL-LHC) will have an instantaneous luminosity 5-7 times higher compared to LHC for the experiments. [...]
ATL-DAQ-PROC-2022-014. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8022.
Vector Boson Fusion and Vector Boson Scattering Measurements at the Large Hadron Collider / Nielsen, Jason (University of California,Santa Cruz (US))
Vector boson fusion and vector boson scattering at high energies are direct probes of boson interactions in the Standard Model and beyond. [...]
ATL-PHYS-PROC-2022-091. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8023.
LUCID-3: the upgrade of the ATLAS luminosity detector for High Luminosity LHC / Hedberg, Vincent (Lund University (SE))
The ATLAS physics program at the High Luminosity LHC (HL-LHC) calls for a precision in the luminosity measurement of about 1%. [...]
ATL-FWD-PROC-2022-007. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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8024.
Search for the direct production of chargino pairs decaying via W boson in 13 TeV pp collisions with the ATLAS detector / Greco, Matteo (INFN Lecce e Universita del Salento (IT))
A search for the direct production of pairs of charginos, each decaying into a lighest neutralino and a W-boson which in turn decays leptonically, is presented. [...]
ATL-PHYS-PROC-2022-090. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8025.
Between even and odd: probing the CP nature of the Higgs-top Yukawa coupling / Carvalho, Luisa (LIP - Laboratorio de Instrumentação e Física Experimental de Partículas (PT))
As we enter the era of precision at the LHC, excluding specific charge-parity (CP) scenarios is no longer enough: we want to detect and precisely measure the angle that determines the possible admixture of CP-even and CP-odd components in the Higgs-top Yukawa coupling. [...]
ATL-PHYS-PROC-2022-089. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8026.
Fiducial and differential cross section measurements in the di-photon channel using full Run2 dataset at ATLAS / Lucio Alves, Fabio Lucio (Nanjing University (CN))
It has been ten years since the Higgs boson discovery by ATLAS and CMS collaborations at CERN. [...]
ATL-PHYS-PROC-2022-088. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8027.
Development and evaluation of prototypes for the ATLAS ITk pixel detector / Moser, Brian (CERN)
In light of the high-luminosity upgrade of the LHC at the end of this decade, the ATLAS experiment will replace its current inner detector by an all-silicon tracker, the ITk. [...]
ATL-ITK-PROC-2022-020. - 2023. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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8028.
Overview of ATLAS Forward Proton Detectors for LHC Run 3 and Plans for the HL-LHC / Erland, Paula Agnieszka (Polish Academy of Sciences (PL))
A key focus of the physics program at the LHC is the study of head-on proton-proton collisions. [...]
ATL-FWD-PROC-2022-009. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8029.
System Tests of the ATLAS ITk Planar and 3D Pixel Modules / Mueller, Roman (Universitaet Bern (CH))
In order to validate the design of the new all-silicon Inner Tracker (ITk) for ATLAS for the HL-LHC, a series of system tests has been performed, to assess the performance of prototype planar and 3D pixel modules arranged into serial power chains mounted on to realistic mechanical structures [...]
ATL-ITK-PROC-2022-033. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8030.
Demonstrator system for the high-luminosity upgrade of the ATLAS hadronic Tile Calorimeter / Tsotskolauri, Pavle (Ivane Javakhishvili Tbilisi State University (GE))
The high-luminosity upgrade to the LHC (HL-LHC) leads to considerable challenges for the ATLAS detector, including greater radiation exposure to the on-detector electronics and increased pileup from low momentum collisions affecting trigger selection performance. [...]
ATL-TILECAL-PROC-2022-019. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8031.
Prototyping Serial Powering with RD53A and ITkPixV1.1 / Hinterkeuser, Florian (University of Bonn (DE)) ; ATLAS Collaboration
The high luminosity upgrade for the Large Hadron Collider at CERN requires a complete overhaul of the current inner detectors of ATLAS and CMS. [...]
ATL-ITK-PROC-2022-032. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8032.
The boosted $X\rightarrow b\bar{b}$ tagger calibration using $Z\rightarrow b\bar{b}$ events collected with the ATLAS detector / Battulga, Daariimaa (Humboldt University of Berlin (DE))
Many analyses in the ATLAS physics program are dependent on the identification of jets containing b-hadrons (b-tagging). [...]
ATL-PHYS-PROC-2022-100. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8033.
Charged particle correlations with ATLAS / Astalos, Robert (Comenius University (SK))
Correlations between charged particles provide an important insight about hadronization processes. [...]
ATL-PHYS-PROC-2022-099. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8034.
Searches for electroweak production of supersymmetric particles with the ATLAS detector / Nobe, Takuya (University of Tokyo (JP))
The direct production of electroweak supersymmetric (SUSY) particles, including sleptons, charginos and neutralinos, is a particularly interesting area with connections to dark matter, the naturalness of the Higgs boson’s mass, as well as recent anomalies on muon $g−2$ and $W$ boson mass measurements. [...]
ATL-PHYS-PROC-2022-098. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8035.
Expected tracking and related performance with the future ATLAS Inner Tracker at the HL-LHC / El Ghazali, Yassine (Ibn-Tofail University Faculty of Sciences (MA))
To extend the potential of discoveries for new physics beyond the Standard Model as well as precision measurements the High Luminosity (HL) phase of the large hadron collider at CERN aims to deliver an integrated luminosity of up to 4000 fb$^{-1}$. [...]
ATL-PHYS-PROC-2022-097. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8036.
Searches for BSM physics using challenging and long-lived signatures at ATLAS / Longarini, Iacopo (University of California Irvine (US))
Various theories beyond the Standard Model predict new, long-lived particles with unique signatures which are difficult to reconstruct and for which estimating the background rates is also a challenge. [...]
ATL-PHYS-PROC-2022-096. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8037.
Point Cloud Deep Learning Methods for Pion Reconstruction in the ATLAS Detector / Portillo Quintero, Dilia Maria (TRIUMF (CA))
The reconstruction and calibration of hadronic final states in the ATLAS detector at the LHC present complex experimental challenges. [...]
ATL-PHYS-PROC-2022-105. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8038.
A new ATLAS Visitor Centre / Carratta, Giuseppe (Universita e INFN, Bologna (IT))
The ATLAS Visitor Centre at CERN is a guided exhibition space that has been welcoming visitors from around the world since 2009. [...]
ATL-OREAC-PROC-2022-001. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8039.
Highlights from the ATLAS experiment / Derendarz, Dominik Karol (Polish Academy of Sciences (PL))
This report highlights some of the new results presented in 13 talks and 8 posters by the ATALS Collaboration at the Quark Matter 2022 conference. [...]
ATL-PHYS-PROC-2022-104. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8040.
Measurement of top-quark properties with the ATLAS detector at the LHC / Bruscino, Nello (Sapienza Universita e INFN, Roma I (IT))
Due to its high mass top quarks decay before top-flavoured hadrons can be formed. [...]
ATL-PHYS-PROC-2022-103. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8041.
Development of novel experimental techniques to improve the understanding of the Higgs sector by the ATLAS experiment / Jiggins, Stephen (Deutsches Elektronen-Synchrotron (DE))
With the full Run-2 (2015-2018) proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider, precise measurements of Higgs boson properties in an array of production and decay modes are now possible. [...]
ATL-PHYS-PROC-2022-102. - 2022. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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8042.
Measurements of W and Z boson production in association with heavy flavor at ATLAS / Giacobbe, Benedetto (Universita e INFN, Bologna (IT))
Standard Model measurements involving the production of Z and W bosons in association with jets is a relevant part of the ATLAS physics program. [...]
ATL-PHYS-PROC-2022-101. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8043.
Hough transform implementation on FPGA for event filtering of HL-LHC / Todome, Kazuki (Universita e INFN, Bologna (IT)) ; Alfonsi, Fabrizio (Universita e INFN, Bologna (IT))
The ATLAS experiment plans to upgrade its Trigger DAQ system dedicated to HL-LHC. [...]
ATL-DAQ-PROC-2022-021. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8044.
Improved track reconstruction for prompt and long-lived particles in ATLAS for the LHC Run 3 / Munoz Perez, David (Univ. of Valencia and CSIC (ES))
In preparation for the LHC Run 3, the ATLAS experiment at the LHC has completed a major effort to improve the track reconstruction performance for prompt and long-lived particles. [...]
ATL-PHYS-PROC-2022-108. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8045.
ATLAS results on exotic hadronic resonances / Bouhova-Thacker, Eva (Lancaster University (GB))
Recent results from the proton-proton collision data taken by the ATLAS experiment on exotic resonances are presented. [...]
ATL-PHYS-PROC-2022-107. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8046.
Top working group cross-section summary plots, November 2022
This note presents updated figures that summarise top cross-section results from the ATLAS top working group and the LHCtopWG..
ATL-PHYS-PUB-2022-051. - 2022. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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8047.
Top quark mass and properties summary plots November 2022
This note presents plots summarising ATLAS results and combinations of top quark mass measurements and other top quark properties..
ATL-PHYS-PUB-2022-050. - 2022. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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8048.
Top Quarks + X Summary Plots November 2022
This note presents summary plots for cross section measurements performed by ATLAS and CMS within the Top Quarks + X sub-group as of November 2022..
ATL-PHYS-PUB-2022-049. - 2022.
Original Communication (restricted to ATLAS) - Full text
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8049.
Top EFT summary plots November 2022
This note presents figures that summarise the limits on effective field theory (EFT) operators derived from measurements of the ATLAS top working group and LHC Top working group (ATLAS+CMS). [...]
ATL-PHYS-PUB-2022-048. - 2022.
Original Communication (restricted to ATLAS) - Full text
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8050.
The AM08 Associative Memory ASIC Design, Architecture and Evaluation methodology / ATLAS Collaboration
The Associative Memory (AM) ASIC reached its version 8 in 2020 when it was submitted for fabrication. [...]
ATL-DAQ-PROC-2022-022. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8051.
Searches for dark matter with the ATLAS detector / Saimpert, Matthias (Université Paris-Saclay (FR))
Despite several observational evidence for dark matter, there is no experimental hint on its nature so far. [...]
ATL-PHYS-PROC-2022-106. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8052.
An intelligent Data Delivery Service for and beyond the ATLAS experiment / Guan, Wen (Brookhaven National Laboratory (US)) ; Maeno, Tadashi (Brookhaven National Laboratory (US)) ; Bockelman, Brian Paul (University of Wisconsin Madison (US)) ; Wenaus, Torre (Brookhaven National Laboratory (US)) ; Zhang, Rui (University of Wisconsin Madison (US)) ; Weber, Christian (Brookhaven National Laboratory (US)) ; Barreiro Megino, Fernando Harald (University of Texas at Arlington (US)) ; Lin, Fa-Hui (University of Texas at Arlington (US)) ; Alekseev, Aleksandr (Universidad Andres Bello (CL))
The intelligent Data Delivery Service (iDDS) has been developed to cope with the huge increase of computing and storage resource usage in the coming LHC data taking. [...]
ATL-SOFT-PROC-2022-004. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8053.
Neural Network Jet Flavour Tagging with the Upgraded ATLAS Inner Tracker Detector at the High-Luminosity LHC
As the High-Luminosity LHC (HL-LHC) era approaches, the most recent flavour tagging algorithms used in the ATLAS Collaboration are studied in order to characterize the full physics potential of the upgraded ATLAS detector and to get ready for the upcoming data-taking in 2029. [...]
ATL-PHYS-PUB-2022-047. - 2022.
Original Communication (restricted to ATLAS) - Full text
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8054.
Methods for $\chi^2$ parameter estimation using histograms
A common procedure in high energy physics data analysis is to derive correction factors to simulated events that make them better agree with data. [...]
ATL-PHYS-PUB-2022-046. - 2022. - 17 p.
Original Communication (restricted to ATLAS) - Full text
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8055.
Active Learning reinterpretation of an ATLAS Dark Matter search constraining a model of a dark Higgs boson decaying to two b-quarks
A reinterpretation of a search for dark matter produced in association with a Higgs boson decaying to $b$-quarks using active learning, a technique to facilitate efficient and comprehensive inference in multi-dimensional new physics parameter spaces, is presented. [...]
ATL-PHYS-PUB-2022-045. - 2022.
Original Communication (restricted to ATLAS) - Full text
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8056.
The ATLAS New Small Wheel Simulation and Reconstruction Software and Detector Performance Studies / Angelidakis, Stylianos (National and Kapodistrian University of Athens (GR))
After the recent long shutdown of the LHC, the ATLAS detector is now ready to record collision data with several upgrades implemented. [...]
ATL-MUON-PROC-2022-007. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8057.
Development of the ATLAS Liquid Argon Calorimeter Readout Electronics for the HL-LHC / Deiana, Allison Mccarn (Southern Methodist University (US))
A new era of hadron collisions will start around 2029 with the High-Luminosity LHC, that will allow to collect ten times more data that what has been collected so far at the LHC. [...]
ATL-LARG-PROC-2022-005. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8058.
Prospects for Single- and Di-Higgs Measurements at the HL-LHC with ATLAS / Mete, Tulin (Academia Sinica (TW))
The large dataset of about 3 ab$^{-1}$ that will be collected at the High Luminosity LHC (HL-LHC) will be used to measure Higgs boson processes in detail. [...]
ATL-PHYS-PROC-2022-113. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8059.
High Precision Electron and Muon Reconstruction Performance with ATLAS at LHC Run-2 / He, Fudong (University of Science and Technology of China (CN))
Leptons reconstruction performance plays a crucial role in the precision and sensitivity of the Large Hadon Collider (LHC) data analysis of the ATLAS experiment. [...]
ATL-PHYS-PROC-2022-111. - 2022. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8060.
The Muon Trigger of the ATLAS experiment: performance and improvements for Run 3 / Ventura, Andrea (INFN Lecce e Universita del Salento (IT))
Events with muons in the final state are fundamental to detect a large variety of physics processes in the ATLAS Experiment, including both high precision Standard Model measurements and new physics searches. [...]
ATL-DAQ-PROC-2022-023. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8061.
Increasing Multilingualism in ATLAS’ Science Communication / Islam, Wasikul (University of Wisconsin Madison (US))
Despite modern particle physics being an international endeavour, the vast majority of its educational material is only published in English. [...]
ATL-OREACH-PROC-2022-004. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8062.
Searches for supersymmetry in final states with at least two hadronically decaying tau leptons using the ATLAS detector / Kock, Daniela (University of Oregon (US))
Final states with tau leptons are experimentally challenging but open up exciting opportunities for supersymmetry (SUSY) searches. [...]
ATL-PHYS-PROC-2022-112. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8063.
Searches of lepton-flavour-violating decays of the Higgs bosons with the ATLAS detector at the HL-LHC
This note presents a study for the prospect of the searches for lepton-flavour-violating decays of the Higgs bosons with $3000\,\mathrm{fb}^{-1}$ of proton-proton collisions at $\sqrt{s} = 14$TeV using the ATLAS detector at the HL-LHC. [...]
ATL-PHYS-PUB-2022-054. - 2022. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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8064.
HL-LHC prospects for the measurement of Higgs boson pair production in the $b\bar{b}b\bar{b}$ final state and combination with the $b\bar{b}\gamma\gamma$ and $b\bar{b}\tau^+\tau^-$ final states at the ATLAS experiment
Projection studies for the non-resonant Higgs boson pair production in the $b\bar{b}b\bar{b}$ final state with the ATLAS detector at the HL-LHC are presented. [...]
ATL-PHYS-PUB-2022-053. - 2022.
Original Communication (restricted to ATLAS) - Full text
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8065.
Towards Common top pair Monte-Carlo Settings for ATLAS and CMS
This is a collection of plots comparing Monte Carlo simulation of top quark pair events by the ATLAS and CMS experiments. [...]
ATL-PHYS-PUB-2022-052. - 2022. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8066.
First Run 3 data/MC plots for the measurement of the top-quark pair production cross-section in pp collisions at centre-of-mass energy of 13.6 TeV with the ATLAS experiment at the LHC / Guerrieri, Giovanni (Universita e INFN Trieste (IT))
The top quark is the heaviest known elementary particle. [...]
arXiv:2211.09414 ; ATL-PHYS-PROC-2022-110. - 2022. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8067.
Performance of the ATLAS New Small Wheels in preparation for LHC Run-3 data-taking / Guan, Liang (University of Michigan (US))
The Muon Spectrometer of the ATLAS detector has recently undergone a major upgrade in preparation for operation under experimental conditions foreseen at the High-Luminosity LHC (HL-LHC). [...]
ATL-MUO-PROC-2022-001. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8068.
Observation of the gamma gamma -> tau tau process in Pb+Pb collisions and constraints on tau-lepton anomalous magnetic moment with the ATLAS detector at LHC. / Cavasinni, Vincenzo (Universita & INFN Pisa (IT))
This paper reports the observation of tau-lepton pair production in ultraperipheral lead-lead collisions, Pb(gamma) Pb(gamma) -> tau tau and constraints on the tau-lepton anomalous magnetic moment, a(tau). [...]
ATL-PHYS-PROC-2022-109. - 2022. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8069.
Monte Carlo modelling of loop-induced $ZH$ production in ATLAS
This note presents and compares Monte Carlo generator predictions for the loop-induced production of a Higgs boson, $H$, in association with a $Z$ boson. [...]
ATL-PHYS-PUB-2022-055. - 2022. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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8070.
The Serial and LVDS repeaters for the ATLAS New Small Wheel sTGC trigger
Serial and LVDS repeaters boards will be used in the electronics chain from the NSW sTGC Pad Front End boards - pFEBs - to the Pad Trigger, from the Pad Trigger to the strips FE boards - sFEBs - and from there to the Router boards [...]
ATL-MUON-PUB-2022-003. - 2022. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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8071.
ATLAS LAr Calorimeter Commissioning for LHC Run-3 / Cai, Huacheng (University of Pittsburgh (US))
The Liquid Argon Calorimeters are employed by ATLAS for all electromagnetic calorimetry in the pseudo-rapidity region |$\eta$| < 3.2, and for hadronic and forward calorimetry in the region from |$\eta$| = 1.5 to |$\eta$| = 4.9. [...]
ATL-LARG-PROC-2022-006. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8072.
The operational experience, challenges and performance of the ATLAS Semiconductor Tracker during LHC Run-2 and SCT operation prospect for Run-3 / Schopf, Elisabeth (University of Oxford (GB))
The Large Hadron Collider recently completed its Run-2 operation period (2015–2018), which delivered an integrated luminosity of 156 fb$^{−1}$ at the centre-of-mass proton-proton collision energy of 13 TeV. [...]
ATL-INDET-PROC-2022-001. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8073.
Online Data Monitoring of the ATLAS Muon System and Commissioning of the New Small Wheel (NSW) Data Quality System / Kaur, Sandeep (Carleton University (CA))
The instantaneous luminosity of the Large Hadron Collider (LHC) at CERN will be increased up to a factor of seven with respect to the original design value to explore higher energy scale. [...]
ATL-MUON-PROC-2022-008. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8074.
Measurements of the top-quark mass using the ATLAS detector at the LHC / Melini, Davide (Technion- Israel Institute of Technology (IL))
The top-quark mass is a fundamental parameter of the Standard Model and its determination is of great relevance per-se and for new physics scenarios. [...]
ATL-PHYS-PROC-2022-116. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8075.
ATLAS Inner Detector Alignment for the LHC Run3 / Chitishvili, Mariam (Univ. of Valencia and CSIC (ES))
The algorithm used in the alignment of the Inner Detector of the ATLAS experiment is based on the track-to-hit residual minimization in a sequence of hierarchical levels (ranging from mechanical assembly structures to individual sensors) [...]
ATL-PHYS-PROC-2022-115. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8076.
Direct top quark mass measurements with the ATLAS and CMS detectors / Vanadia, Marco (INFN e Universita Roma Tor Vergata (IT))
This article presents a review of recent results on direct top quark mass measurements performed by the ATLAS and CMS collaborations on $pp$ collisions collected during Run 2 of the LHC at $\sqrt{s}=$13~TeV..
arXiv:2211.11398 ; ATL-PHYS-PROC-2022-114. - 2022.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8077.
Measurement of the $t\bar{t}$ cross-section and $t\bar{t}/Z$ cross-section ratio using LHC Run 3 $pp$ collision data at a centre-of-mass energy of $\sqrt{s} = 13.6$ TeV
The inclusive top quark pair ($t\bar{t}$) production cross-section $\sigma_{t\bar{t}}$ has been measured in proton-proton collisions at $\sqrt{s} = 13.6$ TeV, using 1.2 fb${}^{-1}$ of data collected in August 2022 by the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2022-070. - 2022.
Original Communication (restricted to ATLAS) - Full text
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8078.
Performance Studies of the Low Gain Avalanche Detectors for the ATLAS High Granularity Timing Detector in Beam Tests / Raskina, Valentina (Centre National de la Recherche Scientifique (FR))
The significant increase of pileup interactions is one of the main experimental challenges for the physics program during the High Luminosity (HL) LHC operation phase. [...]
ATL-HGTD-PROC-2022-005. - 2022. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8079.
Charge asymmetry in top-pair production with the ATLAS detector / Eckerova, Barbora (Comenius University (SK))
Measurement of the inclusive and differential top-quark charge asymmetry is carried out using full Run2 data from proton-proton collisions at center-of-mass energy of $13$ TeV collected by the ATLAS detector. [...]
arXiv:2212.00161 ; ATL-PHYS-PROC-2022-117. - 2022. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8080.
Search for dark matter produced in association with a Higgs boson decaying to tau leptons at $\sqrt{s} =13$ TeV with the ATLAS detector
A search for dark matter produced in association with a Higgs boson in final states with two hadronically decaying $\tau$-leptons and missing transverse momentum is presented. [...]
ATLAS-CONF-2022-069. - 2022.
Original Communication (restricted to ATLAS) - Full text
  Detailed record Copy itemCopy item
8081.
Evidence of off-shell Higgs boson production and constraints on the total width of the Higgs boson in the $ZZ\rightarrow 4\ell$ and $ZZ\rightarrow 2\ell2\nu$ decay channels with the ATLAS detector
This note reports a search for off-shell production of the Higgs boson using 139 fb$^{-1} $of $pp$ collision data at $\sqrt{s}=$ 13 TeV collected by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2022-068. - 2022.
Original Communication (restricted to ATLAS) - Full text
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8082.
Measurement of the Higgs boson production cross section in association with a vector boson and decaying into $WW^\ast$ with the ATLAS detector at $\sqrt{s} = 13$ TeV
A measurement of the total Higgs boson production cross sections via associated $WH$ and $ZH$ production using $H\to WW^{*}\to \ell\nu\ell\nu$ and $H\to WW^{*} \to \ell\nu jj$ decays is presented. [...]
ATLAS-CONF-2022-067. - 2022.
Original Communication (restricted to ATLAS) - Full text
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8083.
Search for heavy resonances in the decay channel 𝑾+𝑾− → 𝒆𝝂𝝁𝝂 in 𝒑 𝒑 Collisions at √𝒔 = 13 TeV using 139 fb−1 of data with the ATLAS detector
A search for neutral heavy resonances (𝑅) is made in the 𝑊+𝑊− → 𝑒𝜈𝜇𝜈 decay channel using 𝑝𝑝 collision data corresponding to an integrated luminosity of 139 fb−1, collected at a centre-of-mass energy of 13 TeV by the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2022-066. - 2022. - 34 p.
Original Communication (restricted to ATLAS) - Full text
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8084.
The readout panels for the BI-RPC project for ATLAS Phase-II upgrade / Schioppa, Marco (Universita della Calabria e INFN (IT)) ; Sun, Yongjie (University of Science and Technology of China (CN)) - author of the proceeding
To take full advantage from the LHC upgrade to high luminosity in 2029, the ATLAS community has approved an intensive detector upgrade program that includes the con- struction of an additional trigger layer positioned close to the BI MDT chambers of the muon spectrometer. [...]
ATL-UPGRADE-PROC-2022-003. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8085.
Integrating the GBT into standard networks
A data acquisition device that interfaces the custom radiation-hard front end fibre links to industry standard Ethernet or InfiniBand networks is proposed. [...]
ATL-DAQ-PUB-2022-001. - 2022. - 2 p.
Original Communication (restricted to ATLAS) - Full text
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8086.
The Phase-I Upgrade of the ATLAS Level-1 Calorimeter Trigger / Mkrtchyan, Tigran (Heidelberg University (DE))
The ATLAS Level-1 Calorimeter Trigger (L1Calo) is a hardware-based system that identifies events containing calorimeter-based physics objects, including electrons, photons, taus, jets, and missing transverse energy. [...]
ATL-DAQ-PROC-2022-027. - 2022. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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8087.
Recent Developments in the MDT Trigger Processor for the ATLAS Level-0 Muon Trigger at the HL-LHC / Ntekas, Kostas (University of California Irvine (US))
The Monitored Drift Tubes (MDT) Trigger Processor (MDTTP) will be added to the first-level of the ATLAS muon trigger system in order to improve the accuracy of the candidates' transverse momentum and position estimation. [...]
ATL-DAQ-PROC-2022-026. - 2022. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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8088.
Developments regarding the integration of FPGA RDMA into the ATLAS Readout with FELIX in High Luminosity LHC / Vasile, Matei (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Martoiu, Sorin (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Boukadida, Nayib (Nikhef National institute for subatomic physics (NL)) ; Stoicea, Gabriel (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Micu, Petru (University Politehnica of Bucharest (RO)) ; Dumitru, Alexandru (University Politehnica of Bucharest (RO)) ; Ulmamei, Andrei-Alexandru (University Politehnica of Bucharest (RO)) ; Hobincu, Radu (University Politehnica of Bucharest (RO)) ; Iordache, Cristina-Cerasela (University Politehnica of Bucharest (RO)) - design, hardware development design, hardware development networking support hardware development hardware development support hardware development support software development support software development support
RDMA (Remote Direct Memory Access) is used by the ATLAS experiment at CERN in the new readout system called FELIX (Front-End Link eXchange). [...]
ATL-DAQ-PROC-2022-025. - 2022. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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8089.
Global Trigger Versatile Module for ATLAS Phase-II upgrade / Filimonov, Viacheslav (Johannes Gutenberg Universitaet Mainz (DE)) ; Bauss, Bruno (Johannes Gutenberg Universitaet Mainz (DE)) ; Buescher, Volker (Johannes Gutenberg Universitaet Mainz (DE)) ; Schaefer, Uli (Johannes Gutenberg Universitaet Mainz (DE)) ; Ta, Duc Bao (Johannes Gutenberg Universitaet Mainz (DE))
The ATLAS detector at the Large Hadron Collider will undergo a major Phase-II upgrade for the High Luminosity LHC. [...]
ATL-DAQ-PROC-2022-024. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8090.
Search for the leptonic charge asymmetry of top-quark--antiquark pair production in association with a W boson with ATLAS / Miralles Lopez, Marcos (Univ. of Valencia and CSIC (ES))
A search for the leptonic charge asymmetry~($A_{c}^{\ell}$) of top--antitop quark pair production in association with a $W$~boson~($t\bar{t}W$) is presented. [...]
ATL-PHYS-PROC-2022-118. - 2022. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8091.
RD53A pixel module assembly and testing experience / Petrukhin, Alexey (Universitaet Siegen (DE))
The entire tracking system of the ATLAS experiment will be replaced during the LHC Phase-II shutdown. [...]
arXiv:2212.09392 ; ATL-ITK-PROC-2022-034. - 2022. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8092.
Forward Proton measurements with ATLAS / Valentinetti, Sara (Universita e INFN, Bologna (IT))
The elastic scattering of protons at 13 TeV is measured in the range of protons transverse momenta allowing the access to the Coulomb-Nuclear-Interference region. [...]
ATL-PHYS-PROC-2022-119. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8093.
Identification of highly boosted 𝒁 → 𝒆 + 𝒆 − decays with the ATLAS detector using deep neural networks
This note describes the development and evaluation of a new algorithm dedicated to identify highly boosted $Z\rightarrow e^+e^-$ decays. [...]
ATL-PHYS-PUB-2022-056. - 2022.
Original Communication (restricted to ATLAS) - Full text
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8094.
Search for charged-lepton-flavour violating $\mu\tau qt$ interactions in top-quark production and decay with the ATLAS detector at the LHC
A search for charged-lepton-flavour violating $\mu\tau qt$ interaction is presented, considering both in top-quark production and decay. [...]
ATLAS-CONF-2023-001. - 2023. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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8095.
The COLUTA ADC ASIC and the ATLAS HL-LHC Liquid Argon Front-End Readout / Pinheiro Matos, Gabriel (Columbia University (US))
The upgraded High-Luminosity Large Hadron Collider (HL-LHC) requires a new radiation tolerant ATLAS Liquid Argon (LAr) Calorimeter readout operating at 40 MHz with 16-bit dynamic range. [...]
ATL-LARG-PROC-2023-001. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8096.
ATLAS ITk strip sensor quality assurance tests and results of ATLAS18 pre-production sensors / ATLAS Collaboration
Towards the high luminosity (HL) operation of the Large Hadron Collider (LHC), the inner tracking system of the ATLAS detector is replaced by a fully silicon-based inner tracker (ITk). [...]
ATL-ITK-PROC-2023-001. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8097.
Photon-photon fusion and $(g − 2)_\tau$ measurement at the ATLAS experiment / Schmieden, Kristof (Johannes Gutenberg Universitaet Mainz (DE))
High statistics measurements of light-by-light scattering, made accessible using relativistic heavy-ion beams provide a precise and unique opportunity to investigate extensions of the Standard Model, such as the presence of axion-like particles. [...]
ATL-PHYS-PROC-2023-002. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8098.
ATLAS ITk Strip Sensor Quality Control and Review of ATLAS18 Pre-Production Sensor Results / ATLAS Collaboration
With the upgrade of the LHC to the High-Luminosity LHC (HL-LHC), the Inner Detector will be replaced with the new all-silicon ATLAS Inner Tracker (ITk) to maintain tracking performance in a high-occupancy environment and to cope with the increase in the integrated radiation dose. [...]
ATL-ITK-PROC-2023-002. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8099.
Searching for new symmetries in the Higgs sector with the ATLAS detector / Duda, Dominik (The University of Edinburgh (GB))
These proceedings give an overview of recent searches for additional low- and high-mass Higgs bosons, as well as direct searches for rare or exotic decays of the 125 GeV Higgs boson, using proton–proton collision data at 13 TeV collected by the ATLAS experiment in Run 2 of the LHC..
ATL-PHYS-PROC-2023-001. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8100.
A High-Granularity Timing Detector for the ATLAS Phase-II Upgrade / Wu, Mengqing (Nikhef National institute for subatomic physics (NL))
The increase of the particle flux at the HL-LHC with instantaneous luminosities up to 7.5 × 1034cm−2s−1 will have a severe impact on the ATLAS detector performance. [...]
ATL-HGTD-PROC-2023-002. - 2023. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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8101.
A High-Granularity Timing Detector for the ATLAS Phase-II upgrade / Soares Canas Ferreira, Afonso (CERN)
The increase of the particle flux (pile-up) at the HL-LHC with instantaneous luminosities up to 𝐿 ≃ 7.5 × 1034𝑐𝑚−1𝑠−2 will have a severe impact on the ATLAS detector reconstruction and trigger performance. [...]
ATL-HGTD-PROC-2023-001. - 2023. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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8102.
ATLAS ITk Pixel Module Bump Bond Stress Analysis / Grosse-Knetter, Joern (Georg August Universitaet Goettingen (DE))
The upgrade of ATLAS for the high-luminosity LHC (HL-LHC) will among many detector components replace the tracking detector with an all-silicon tracker (ITk). [...]
ATL-ITK-PROC-2023-008. - 2023. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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8103.
Measurements of multijet event shapes and photon production with the ATLAS detector / Carminati, Leonardo (Università degli Studi e INFN Milano (IT))
The study of jets and photons production in proton-proton (pp) col- lisions is a fundamental part of the ATLAS experiment physics program. [...]
ATL-PHYS-PROC-2023-003. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8104.
Experimental Study and Empirical Modeling of Long Term Annealing of the ATLAS18 Strip Sensors / Orr, Robert (University of Toronto (CA))
In order to continue the program of the LHC, the accelerator will be upgraded to the High Luminosity LHC (HL-LHC), which will have a design luminosity of $5 \times 10^{34} cm^{-2}s^{-1}$ , an order of magnitude greater than the present machine. [...]
ATL-ITK-PROC-2023-007. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8105.
ATLAS ITk Pixel Pre-production Planar Sensor Characterisation for the HL-LHC Upgrade / ATLAS Collaboration
In the ATLAS detector upgrade for the High-Luminosity LHC (HL-LHC), the current Inner Detector will be replaced with an all-silicon Inner Tracker (ITk), to operate under higher occupancy (instantaneous luminosity $7.5\times10^{34}\;\rm cm^{-2}s^{-1}$, which corresponds to about 200 inelastic pp collisions per bunch crossing) and radiation damage (particle fluence up to $2\times10^{16}\;\rm n_{eq}/cm^2$). [...]
ATL-ITK-PROC-2023-006. - 2023. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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8106.
Qualification of the first pre-production 3D FBK sensors with ITkPixV1 readout chip / ATLAS Collaboration
The ITk detector, the new ATLAS silicon tracking system for the High Luminosity LHC (HL-LHC), will be equipped with 3D pixel sensor modules in the innermost layer (L0). [...]
ATL-ITK-PROC-2023-005. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8107.
Monitoring Quality of ATLAS ITk Strip Sensors through Database / ATLAS Collaboration
The high-Luminosity LHC upgrade necessitates a complete replacement of the ATLAS Inner Detector with a larger all-silicon tracker. [...]
ATL-ITK-PROC-2023-004. - 2023. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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8108.
Carbon based local supports for the ATLAS ITk-pixel detector / Munoz Sanchez, Francisca (University of Manchester (GB))
The current ATLAS Inner Detector will be upgraded to the Inner Tracker detector for its operation at the High Luminosity Large Hadron Collider. [...]
ATL-ITK-PROC-2023-003. - 2023. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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8109.
Performance studies of tracking-based triggering using a fast emulation
Experiments at the High-Luminosity phase of the LHC will face an increased number of interactions per bunch crossing. [...]
ATL-DAQ-PUB-2023-001. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8110.
The ATLAS RPC System for the LHC Run-3 / Boscherini, Davide (Universita e INFN, Bologna (IT))
Resistive Plate Chambers (RPCs) provide the barrel region of the ATLAS detector with an independent muon trigger and a two-coordinate measurement. [...]
ATL-MUON-PROC-2023-001. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8111.
A comparison of HEPSPEC benchmark performance on ATLAS Grid-Sites versus ideal conditions / Boehler, Michael (Albert Ludwigs Universitaet Freiburg (DE))
The goal of this study is to understand the observed differences in ATLAS software performance, when comparing results measured under ideal laboratory conditions with those from ATLAS computing resources on the Worldwide LHC Computing Grid (WLCG). [...]
ATL-SOFT-PROC-2023-001. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8112.
Combined effective field theory interpretation of $W^{\pm}Z jj$ and $W^{\pm}W^{\pm}jj$ measurements using ATLAS 13 TeV data
An Effective Field Theory (EFT) interpretation of the two fully leptonic $W^{\pm}Z jj$ and $W^{\pm}W^{\pm}jj$ measurements is performed to constrain anomalous Quartic Gauge Couplings. [...]
ATL-PHYS-PUB-2023-002. - 2023. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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8113.
Electron Identification with a Convolutional Neural Network in the ATLAS Experiment
The identification of electrons plays an important role for a large fraction of the physics analyses performed at the ATLAS experiment. [...]
ATL-PHYS-PUB-2023-001. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8114.
A FPGA implementation of the Hough Transform tracking algorithm for the Phase II upgrade of ATLAS / Alfonsi, Fabrizio (Universita e INFN, Bologna (IT))
The LHC High Energy Physics world will face challenging trigger requests in the next decade. [...]
ATL-DAQ-PROC-2023-003. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8115.
Optimizing the ATLAS Geant4 detector simulation software / ATLAS Collaboration
The ATLAS experiment at the LHC relies critically on simulated event samples produced by the full Geant4 detector simulation software FullSim. [...]
ATL-SOFT-PROC-2023-002. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8116.
Search for high-mass resonances in photon plus missing transverse momentum signatures in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for high-mass resonances from heavy Higgs “H” bosons in photon plus missing transverse momentum signatures produced in proton-proton collisions at a center-of-mass energy of $\sqrt{s}=13$ TeV at the Large Hadron Collider (LHC) is presented. [...]
ATL-PHYS-PUB-2023-003. - 2023. - 18 p.
Original Communication (restricted to ATLAS) - Full text
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8117.
ATLAS searches for higgsinos with R-parity violating couplings in events with leptons / Ducu, Otilia Anamaria (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO))
This document presents two searches for Supersymmetry through the direct production of pairs of higgsinos decaying into final states with leptons and ($b$-) jets. [...]
ATL-PHYS-PROC-2023-004. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8118.
Fast track seed selection for track following in the Inner Detector Trigger track reconstruction: Proceedings / Vaitkus, Andrius (University of London (GB)) ; ATLAS Collaboration - On behalf of
During ATLAS Run 2, in the online track reconstruction algorithm of the Inner Detector, a large proportion of the CPU time was dedicated to the track finding. [...]
ATL-DAQ-PROC-2023-002. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8119.
Machine Learning Techniques for selecting Forward Electrons $(2.5<|\eta|<3.2)$ with the ATLAS High Level Trigger / Schefer, Meinrad Moritz (Universitaet Bern (CH))
The ATLAS detector at CERN measures proton proton collisions at the Large Hadron Collider (LHC) which allows us to test the limits of the Standard Model (SM) of particles physics. [...]
ATL-DAQ-PROC-2023-001. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8120.
Performance of the ATLAS Pixel Detector at the start of LHC Run 3 / Battaglia, Marco (University of California,Santa Cruz (US))
This contribution presents a characterisation of the ATLAS Pixel detector response obtained from the analysis of $pp$ collisions recorded by the ATLAS detector at the LHC during Run~2 and at the start of Run~3 [...]
ATL-INDET-PROC-2023-001. - 2023. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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8121.
ATLAS Muon New Small Wheel Grounding, Power and Interconnect Guidelines and Policies
The purpose of this document is to identify grounding, bypassing, signaling, and other issues affecting the integrity of the New Small Wheel detectors, their signals, and their electronics. [...]
ATL-MUON-PUB-2023-001. - 2023. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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8122.
Summary of ATLAS searches for Higgs and vector boson decays to a meson and a photon
This note presents a summary of results from the most recent ATLAS searches for Higgs and vector boson decays to a meson and a photon. [...]
ATL-PHYS-PUB-2023-004. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8123.
Search for an Axion-Like Particle with forward proton scattering in association with photon pairs at ATLAS
A search for forward proton scattering in association with light-by-light scattering mediated by an axion-like particle is presented, using the ATLAS Forward Proton spectrometer to detect scattered protons and the central ATLAS detector to detect pairs of outgoing photons. [...]
ATLAS-CONF-2023-002. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8124.
SUSY March 2023 Summary Plot Update
These are summary plots, updated for the SUSY group in March 2023
ATL-PHYS-PUB-2023-005. - 2023. - 26 p.
Original Communication (restricted to ATLAS) - Full text
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8125.
Preliminary analysis of the luminosity calibration of the ATLAS 13.6 TeV data recorded in 2022
This note presents figures and tables from the preliminary analysis of the ATLAS luminosity calibration for the data recorded in $pp$ collisions at $\sqrt{s}=13.6\,$TeV in 2022..
ATL-DAPR-PUB-2023-001. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8126.
Observation of $W\gamma\gamma$ triboson production in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
This note reports the observation of $W(\ell\nu)\gamma\gamma$ production in proton-proton collisions. [...]
ATLAS-CONF-2023-005. - 2023. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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8127.
Improved W boson Mass Measurement using 7 TeV Proton-Proton Collisions with the ATLAS Detector
The $W$ boson mass is one of the most interesting fundamental parameters of the Standard Model of particle physics, as it allows for model-independent probes for effects of new physics. [...]
ATLAS-CONF-2023-004. - 2023. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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8128.
Measurement of the $H \to \gamma \gamma$ fiducial cross-section in $pp$ collisions at $\sqrt{s}=13.6$ TeV with the ATLAS detector
The Higgs boson production cross-section in the di-photon decay channel is measured using $31.4 \ \mathrm{fb}^{-1}$ of $pp$ collision data collected with the ATLAS detector at a centre-of-mass energy of $\sqrt{s}=13.6 \ \mathrm{TeV}$. [...]
ATLAS-CONF-2023-003. - 2023. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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8129.
Summary plots from ATLAS searches for pair-produced leptoquarks
This note collects summary plots with exclusion contours derived for four different pair-production scenarios of scalar leptoquarks. [...]
ATL-PHYS-PUB-2023-006. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8130.
A precise determination of the strong-coupling constant from the recoil of $Z$ bosons with the ATLAS experiment at $\sqrt{s} = 8$ TeV
The coupling constant of the strong force is determined from the transverse-momentum distribution of $Z$ bosons produced in proton-proton collision at the LHC and recorded by the ATLAS experiment. [...]
ATLAS-CONF-2023-015. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8131.
Observation of WZ$\gamma$ production in pp collisions $\sqrt(s)=13$ TeV with the ATLAS detector
This letter reports the observation of $WZ\gamma$ production and a measurement of its cross-section using $140 \pm 1.2~\textrm{fb}^{-1}$ of proton-proton collision data recorded at a center-of-mass energy of 13 TeV by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2023-014. - 2023. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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8132.
A precise measurement of the $Z$-boson double-differential transverse momentum and rapidity distributions in the full phase space of the decay leptons with the ATLAS experiment at sqrt s = 8 TeV
This paper presents for the first time a precise measurement of the production properties of the $Z$-boson in the full phase space of the decay leptons. [...]
ATLAS-CONF-2023-013. - 2023. - 40 p.
Original Communication (restricted to ATLAS) - Full text
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8133.
Measurements of $W^+W^-$ production cross sections in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
Measurements of $W^+W^-\rightarrow e^\pm \nu \mu^\mp \nu$ production cross-sections are presented, providing a test of the predictions of perturbative quantum chromodynamics, parton distribution functions, and the electroweak theory. [...]
ATLAS-CONF-2023-012. - 2023. - 37 p.
Original Communication (restricted to ATLAS) - Full text
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8134.
Measurement of the centrality dependence of the dijet yield in $p$+Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 8.16 TeV with the ATLAS detector
ATLAS has measured the dijet per-event yield for anti-$k_t$ $R$ = 0.4 jets at center-of-mass energy $\sqrt{s_{\mathrm{NN}}}$ = 8.16 TeV in $p$+Pb collisions. [...]
ATLAS-CONF-2023-011. - 2023. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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8135.
Search for periodic signals in the dielectron and diphoton invariant mass spectra using 139 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for physics beyond the Standard Model inducing periodic signals in the dielectron and diphoton invariant mass spectra is presented using 139 fb$^{-1}$ of $\sqrt{s}=13$ TeV $pp$ collision data collected by the ATLAS experiment at the LHC. [...]
ATLAS-CONF-2023-010. - 2023. - 38 p.
Original Communication (restricted to ATLAS) - Full text
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8136.
Search for pair-produced Higgsinos decaying via Higgs or $Z$ bosons to final states containing a pair of photons and a pair of $b$-jets with the ATLAS detector
A search for the pair production of higgsinos $\tilde{\chi}$ in gauge-mediated supersymmetry models, where $\tilde{\chi}$ decays to a light gravitino $\tilde{G}$ either via a Higgs or $Z$ boson, is presented. [...]
ATLAS-CONF-2023-009. - 2023. - 17.
Original Communication (restricted to ATLAS) - Full text
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8137.
Measurement of isolated photon plus multi-jet correlations in Pb+Pb and $pp$ collisions at 5.02 TeV with ATLAS
This note presents a measurement of isolated photon plus multi-jet correlations in $1.72$ nb$^{-1}$ of Pb+Pb data and $260$ pb$^{-1}$ of $pp$ data, both at $5.02$ TeV, with the ATLAS detector. [...]
ATLAS-CONF-2023-008. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8138.
"Azimuthal anisotropies of charged particles with high transverse momentum in Pb+Pb collisions at 5.02 TeV "
This note describes the measurement of azimuthal anisotropies of charged particles in Pb+Pb collisions at $5.02$ TeV. [...]
ATLAS-CONF-2023-007. - 2023. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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8139.
Measurement of $t\bar{t}$ and $Z$-boson cross sections and their ratio using $pp$ collisions at $\sqrt{s} = 13.6$ TeV with the ATLAS detector
The inclusive top-quark-pair production cross-section $\sigma_{t\bar{t}}$ and fiducial $Z$-boson production cross-section $\sigma_{Z\to\ell\ell}^{\mathrm{fid.}}$ have been measured in proton–proton collisions at $\sqrt{s} = 13.6$ TeV, using 11.3 fb${}^{-1}$ of data collected in 2022 with the ATLAS experiment at the Large Hadron Collider. [...]
ATLAS-CONF-2023-006. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8140.
Measurements of quartic coupling and vector boson scattering in ATLAS / Pyatiizbyantseva, Diana (National Research Nuclear University MEPhI (RU))
Measurements of multiboson production at the Large Hadron Collider (LHC) probe the electroweak gauge structure of the Standard Model for contributions from anomalous couplings. [...]
ATL-PHYS-PROC-2023-007. - 2023. - 14 p.
Original Communication (restricted to ATLAS) - Full text
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8141.
Search for H± → τν and fake τ background estimation in the ATLAS experiment / Juzek, Monika Katarzyna (Polish Academy of Sciences (PL))
Important part of particle physics experiments at the Large Hadron Collider (LHC) at CERN concentrate on searching for potential signs of processes beyond the Standard Model. [...]
ATL-PHYS-PROC-2023-006. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8142.
Heavy Ion Jet RAA Summary Plots 2023
This note presents summary plots on jet suppression characterized by nuclear modification factor, RAA, in heavy-ion collisions from the HI physics group. [...]
ATL-PHYS-PUB-2023-009. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8143.
Summary Plots for Heavy Particle Searches and Long-lived Particle Searches - March 2023
The results of searches for heavy particles from the Exotics and HDBS physics groups and long-lived particles from the Exotics and SUSY physics groups are summarized in plots for a representative set of models. [...]
ATL-PHYS-PUB-2023-008. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8144.
Summary of Diboson Resonance Searches at the ATLAS experiment using full run-2 data
An updated summary of recent ATLAS diboson resonance searches is presented. [...]
ATL-PHYS-PUB-2023-007. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8145.
Electroweak Vector Boson Scattering Measurements at the LHC / Solomon, Shalu (Brandeis University (US))
Vector boson scattering is one of the recent remarkable observations at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2023-005. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8146.
Searches for Supersymmetry with the ATLAS and CMS detectors / Mitsou, Vasiliki (Univ. of Valencia and CSIC (ES))
Supersymmetry (SUSY) provides elegant solutions to several problems in the Standard Model, and searches for SUSY particles are an important component of the LHC physics program. [...]
ATL-PHYS-PROC-2023-008. - 2023. - 16 p.
Original Communication (restricted to ATLAS) - Full text
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8147.
Measurement of the total and differential cross-sections of $t\bar{t}W$ production in $pp$ collisions at 13 TeV with the ATLAS detector
Measurements of both the inclusive and differential production cross-sections of a top-quark-antiquark pair in association with a $W$ boson ($t\bar{t}W$) are presented [...]
ATLAS-CONF-2023-019. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8148.
Search for pairs of muons with small displacements in $pp$ collisions at $\sqrt s = 13$ TeV with the ATLAS detector
A search for pairs of opposite electrically charged muons with impact parameters in the millimetre range is presented, using 139 fb$^{-1}$ of $\sqrt{s}$ = 13 TeV $pp$ collision data from the ATLAS detector at the LHC. [...]
ATLAS-CONF-2023-018. - 2023. - 14 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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8149.
Search for pair production of squarks or gluinos decaying via sleptons or weak bosons in final states with two same-sign or three leptons with the ATLAS detector
A search for pair production of squarks or gluinos decaying via sleptons or weak bosons is reported. [...]
ATLAS-CONF-2023-017. - 2023. - 36 p.
Original Communication (restricted to ATLAS) - Full text
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8150.
Search for dark photons in rare $Z$ boson decays with the ATLAS detector
A search for the dark photon produced in association with the dark Higgs boson via rare decays of the Standard Model $Z$ boson is presented using 139 $fb^{-1}$ of $\sqrt{s} = 13$ TeV proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2023-016. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8151.
Combined Higgs boson measurements and their interpretations with the ATLAS experiment / Escalier, Marc (Université Paris-Saclay (FR))
Combining measurements of many production and decay channels of the observed Higgs boson allows for the highest possible measurement precision for the properties of the Higgs boson and its interactions. [...]
ATL-PHYS-PROC-2023-009. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8152.
Search for singly produced vector-like top partners in multilepton final states with $139$ $\mathrm{fb}^{-1}$ data collected from $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for the single production of vector-like top partners ($T$) optimized for final states with a $Z$ boson decaying to a pair of electrons or muons is presented, using the full Run 2 dataset corresponding to $139$ $\mathrm{fb}^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV, collected in 2015–2018 with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2023-020. - 2023. - 30 p.
Original Communication (restricted to ATLAS) - Full text
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8153.
Demonstrating an Active Learning driven pipeline for optimized analysis reinterpretation: An extended search for Higgs bosons decaying into four-lepton final states via an intermediary dark-Z boson
Active learning techniques can enhance efficiency in new physics searches. [...]
ATL-PHYS-PUB-2023-010. - 2023. - 15 p.
Original Communication (restricted to ATLAS) - Full text
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8154.
Efficient search for new physics using Active Learning in the ATLAS Experiment / Cranmer, Kyle Stuart (University of Wisconsin Madison (US)) ; Espejo Morales, Irina (New York University (US)) ; Rieck, Patrick (New York University (US)) ; Heinrich, Lukas Alexander (Technische Universitat Munchen (DE)) ; Gadow, Philipp (Deutsches Elektronen-Synchrotron (DE)) ; Von Ahnen, Janik (Deutsches Elektronen-Synchrotron (DE)) ; Bhatti, Zubair (New York University (US))
Searches for new physics at the LHC set exclusion limits in multi-dimensional parameter spaces of various theories. [...]
ATL-PHYS-PROC-2023-010. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8155.
Performance of the ATLAS ITK Pixel detector prototype / Vormwald, Benedikt (CERN)
A new all-silicon Inner Tracker (ITk) has been designed for the ATLAS experiment at the HL-LHC. [...]
ATL-ITK-PROC-2023-009. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8156.
Primary Vertex identification using deep learning in ATLAS
The increase in the number of inelastic proton-proton collisions per bunch-crossing in the current and upcoming runs at the Large Hadron Collider (LHC) presents an unprecedented performance challenge for primary vertex reconstruction. [...]
ATL-PHYS-PUB-2023-011. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8157.
Searches for supersymmetry with two same-sign or at least three leptons with the ATLAS experiment / Huang, Shuhui (University of Hong Kong (HK))
Two searches for supersymmetry (SUSY) in events with two leptons of the same electric charge or at least three leptons are presented. [...]
ATL-PHYS-PROC-2023-011. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8158.
Differential cross-section measurements of the production of four charged leptons in association with two jets using the ATLAS detector
Differential cross-sections are measured for the production of four charged leptons in association with two jets. [...]
ATLAS-CONF-2023-024. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8159.
Measurement and interpretation of same-sign $W$ boson pair production in association with two jets in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
This paper presents the measurement of fiducial and differential cross sections for the electroweak and inclusive production of a same-sign $W$ boson pair in association with two jets ($W^\pm W^\pm jj$) using $139$ fb$^{-1}$ of proton-proton collision data recorded at a centre-of-mass energy of $\sqrt{s}=13$ TeV by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2023-023. - 2023. - 49 p.
Original Communication (restricted to ATLAS) - Full text
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8160.
Search for new phenomena in two-body invariant mass distributions using unsupervised machine learning for anomaly detection at $\sqrt{s} = 13$ TeV with the ATLAS detector
Searches for new resonances in two-body invariant mass distributions are performed using an unsupervised anomaly detection technique in events produced in $pp$ collisions at a center-of-mass energy of 13 TeV recorded by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2023-022. - 2023. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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8161.
Search for dark mesons decaying to top and bottom quarks with the ATLAS detector in 140 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}=13~$TeV
A search for dark mesons originating from strongly-coupled, $SU(2)$ dark flavour symmetry conserving models and decaying gaugephobically to pure Standard Model final states containing top and bottom quarks in fully hadronic topologies is performed. [...]
ATLAS-CONF-2023-021. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8162.
Standard Model soft and hard QCD at ATLAS and CMS / Rossini, Lorenzo (Deutsches Elektronen-Synchrotron (DE))
The events collected at the LHC are dominated by production of hard and soft QCD processes. [...]
ATL-PHYS-PROC-2023-014. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8163.
Standard Model highlights at ATLAS / Kivernyk, Oleh (University of Bonn (DE))
This contribution reviews the latest high-precision measurements from ATLAS, which include an improved measurement of the W-boson mass, a new method for measuring double-differential $p_T$ and rapidity cross sections of the Z boson and determining the strong coupling constant, and measurements of fiducial and differential $W^+W^-$ cross sections..
ATL-PHYS-PROC-2023-013. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8164.
Machine learning techniques for cross-section measurements for the vector-boson fusion production of the Higgs boson in the $H\rightarrow WW^* \rightarrow e\nu\mu\nu\ $ decay channel with the ATLAS detector / Addepalli, Sagar (Brandeis University (US))
This article reports on the measurements of the fiducial and differential production cross section of Higgs bosons with an electron, a muon, and two energetic neutrinos from the decay of $W$ bosons in the final state. [...]
ATL-PHYS-PROC-2023-012. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8165.
Evidence for the Higgs boson decay to a $Z$ boson and a photon at the LHC
The first evidence is presented for the Higgs boson decay to a $Z$ boson and a photon, with a statistical significance of 3.4 standard deviations. [...]
ATLAS-CONF-2023-025. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8166.
Effective field theory interpretation of the measurement of off-shell Higgs boson production from $ZZ \rightarrow 4\ell$ and $ZZ \rightarrow 2\ell2\nu$ decay channels with the ATLAS detector
This note reports on the effective field theory (EFT) interpretation of the measurement of off-shell Higgs boson production using 139 fb$^{-1}$ of proton-proton collision data at a centre-of-mass energy of 13 TeV, collected by the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PUB-2023-012. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8167.
$tX$ and $t\bar{t}$X and their EFT interpretation in ATLAS and CMS / Fabbri, Federica (University of Glasgow (GB))
This contribution reports the most recent results on tX and $t\bar{t}$X production from the ATLAS and CMS collaborations, including the $t\bar{t}t\bar{t}$ observation from CMS and the first differential cross-section for $t\bar{t}W$ production from ATLAS. [...]
ATL-PHYS-PROC-2023-015. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8168.
Ready for LHC Run III: The ATLAS New Small Wheel and the MicroMegas chambers performances / Mancini, Giada (INFN e Laboratori Nazionali di Frascati (IT))
The two New Small Wheels (NSW) for the upgrade of the ATLAS Muon Spectrometer are now installed in the experiment and ready to collect data in LHC Run III, started in July 2022. [...]
ATL-MUON-PROC-2023-002. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8169.
Measurement of $t$-channel production of single top quarks and antiquarks in $pp$ collisions at 13 TeV using the full ATLAS Run 2 dataset
The production of single top quarks and top antiquarks via the $t$-channel exchange of a virtual $W$ boson are measured in proton--proton collisions at a centre-of-mass energy of 13 TeV. [...]
ATLAS-CONF-2023-026. - 2023. - 35 p.
Original Communication (restricted to ATLAS) - Full text
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8170.
Flavour tagging with graph neural networks with the ATLAS detector / Duperrin, Arnaud (Centre National de la Recherche Scientifique (FR))
The identification of jets containing a $b$-hadron, referred to as $b$-tagging, plays an important role for various physics measurements and searches carried out by the ATLAS experiment at the CERN Large Hadron Collider (LHC). [...]
arXiv:2306.04415 ; ATL-PHYS-PROC-2023-017. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8171.
Measurement of Z-boson cross sections and strong-coupling constant with ATLAS / Camarda, Stefano (CERN)
In this talk, a precise measurement of the production properties of the $Z$-boson in the full phase space of the decay leptons is presented. [...]
ATL-PHYS-PROC-2023-016. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8172.
Highlights from ATLAS Searches / Liu, Bingxuan (Simon Fraser University (CA))
In this talk, a summary of the recent ATLAS searches is given, covering a variety of topics. [...]
ATL-PHYS-PROC-2023-020. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8173.
Higgs cross-section (including di-Higgs) with ATLAS and CMS / Wang, Rongkun (Harvard University (US))
The latest results of Higgs cross section measurements from the ATLAS and CMS experiments are presented. [...]
arXiv:2306.05543 ; ATL-PHYS-PROC-2023-019. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8174.
Search for electroweak SUSY production in final states with two $\tau$-leptons in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector
Three searches for the direct production of staus or charginos and neutralinos in final states with at least two hadronically decaying $\tau$-leptons are presented. [...]
ATLAS-CONF-2023-029. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8175.
Precise measurements of $W$ and $Z$ transverse momentum spectra with the ATLAS detector at $\sqrt{s} = 5.02\,$ TeV and $13\,$TeV
This note describes measurements of the transverse momentum spectra of $W$ and $Z$ bosons produced in proton--proton collisions at centre-of-mass energies of $\sqrt{s} = 5.02$ TeV and $\sqrt{s} = 13$ TeV at the LHC. [...]
ATLAS-CONF-2023-028. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8176.
Measurement of jet substructure in boosted $t\bar{t}$ events with the ATLAS detector using 140 fb$^{-1}$ of 13 TeV $pp$ collisions
Measurements of the substructure of top-quark jets are presented using top quarks produced in $pp$ interactions at 13 TeV and recorded with the ATLAS detector. [...]
ATLAS-CONF-2023-027. - 2023. - 52 p.
Original Communication (restricted to ATLAS) - Full text
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8177.
B-physics highlights from ATLAS and CMS / Barton, Adam Edward (Lancaster University (GB))
The recent results of B-physics analyses presented here are based on LHC proton-proton collisions recorded by the ATLAS and CMS experiments over all the data taking years of the experiments, 2011-2012 (Run1), 2015-2018 (Run2) and some early plots from 2022 (Run3) [...]
ATL-PHYS-PROC-2023-018. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8178.
Search for diphoton resonances in the 66 to 110 GeV mass range using 140 fb$^{-1}$ of 13 TeV $pp$ collisions collected with the ATLAS detector
Many extensions to the Higgs sector of the Standard Model motivate additional spin-0 bosons. [...]
ATLAS-CONF-2023-035. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8179.
Search for a CP-odd Higgs boson decaying to a heavy CP-even Higgs boson and a $Z$ boson in the $\ell\ell t\bar{t}$ and $\nu\bar{\nu}b\bar{b}$ final states using 140 fb$^{-1}$ of data collected with the ATLAS detector
A search for a heavy $CP$-odd Higgs boson, $A$, decaying into a $Z$ boson and a heavy $CP$-even Higgs boson, $H$, in the $\ell\ell t\bar{t}$ and $\nu\bar{\nu}b\bar{b}$ final states is presented using the full LHC Run 2 dataset of $pp$ collisions collected with the ATLAS detector at $\sqrt{s}=13$ TeV and corresponding to an integrated luminosity of $140$~fb$^{-1}$. [...]
ATLAS-CONF-2023-034. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8180.
Measurement of $t$-Channel Single-Top-Quark Production in $pp$ Collisions at $\sqrt{s} = 5.02$ TeV with the ATLAS Detector
The observation of the electroweak production of single-top-quarks using 257 $\text{pb}^{-1}$ of proton-proton collision data recorded at $\sqrt{s} = 5.02$ TeV with the ATLAS detector at the Large Hadron Collider is reported. [...]
ATLAS-CONF-2023-033. - 2023. - 22 p.
Original Communication (restricted to ATLAS) - Full text
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8181.
Top cross section summary plots - June 2023
Summary plots from related to top-quark cross section measurements from ATLAS only and from ATLAS+CMS. [...]
ATL-PHYS-PUB-2023-014. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8182.
Top Quarks + X Summary Plots June 2023
This note presents summary plots of cross section measurements performed by ATLAS and CMS within the Top Quarks + X sub-group as of June 2023..
ATL-PHYS-PUB-2023-013. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8183.
Measurement of the $H \to \gamma \gamma$ and $H \to ZZ^* \to 4 \ell$ cross-sections in $pp$ collisions at $\sqrt{s}=13.6$ TeV with the ATLAS detector
The Higgs boson production cross-section is measured in the di-photon and the $ZZ^* \to 4 \ell$ decay channels using 31.4 and 29.0 fb$^{-1}$ of $pp$ collision data collected with the ATLAS detector at a centre-of-mass energy of $\sqrt{s}=13.6$ TeV. [...]
ATLAS-CONF-2023-032. - 2023. - 24.
Original Communication (restricted to ATLAS) - Full text - Full text
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8184.
Search for a new heavy scalar particle decaying into a Higgs boson and a new scalar singlet in final states with one or two light leptons and a pair of $\tau$-leptons with the ATLAS detector
A search for a new heavy scalar particle $X$ decaying into a Standard Model (SM) Higgs boson and a new singlet scalar particle $S$ is presented. [...]
ATLAS-CONF-2023-031. - 2023. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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8185.
Searches in the BSM Higgs sector / Leney, Katharine (Southern Methodist University (US))
The discovery of the Higgs boson with the mass of approximately 125 GeV confirmed the mass generation mechanism via spontaneous electroweak symmetry breaking and completed the particle content predicted by the Standard Model. [...]
ATL-PHYS-PROC-2023-022. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8186.
Searches for electroweak production of supersymmetric particles with the ATLAS detector / Potter, Tina (University of Cambridge (GB))
The direct production of electroweak SUSY particles, including sleptons, charginos, and neutralinos, is a particularly interesting area with connections to dark matter and the naturalness of the Higgs mass. [...]
ATL-PHYS-PROC-2023-021. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8187.
Search for the $Z\gamma$ decay mode of new high-mass resonances in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
This letter presents a search for narrow high-mass resonances in the $Z\gamma$ final state with the $Z$ boson decaying into a pair of electrons or muons. [...]
ATLAS-CONF-2023-030. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8188.
Searches for supersymmetric particles with prompt decays with the ATLAS detector / Gravili, Francesco Giuseppe (INFN Lecce e Universita del Salento (IT))
Supersymmetry (SUSY) provides elegant solutions to several problems in the Standard Model and searches for SUSY particles are an important component of the LHC physics program. [...]
arXiv:2306.15014 ; ATL-PHYS-PROC-2023-024. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8189.
Measurements of Higgs bosons decaying into $b\bar{b}$ or $c\bar{c}$ pairs, and how to improve them with GNN-based flavour tagging techniques. / Tanasini, Martino (INFN e Universita Genova (IT))
The results from two analyses of the Higgs boson decaying into pairs of $b\bar{b}$ or $c\bar{c}$ quarks and produced in association with a $W$ or $Z$ boson decaying into leptons are briefly presented. [...]
ATL-PHYS-PROC-2023-023. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8190.
Improved Common $t\bar{t}$ Monte-Carlo Settings for ATLAS and CMS
The ATLAS and CMS Collaborations both use Powheg+Pythia8 for their nominal $t\bar{t}$ Monte- Carlo simulations. [...]
ATL-PHYS-PUB-2023-016. - 2023.
Original Communication (restricted to ATLAS) - Full text - Full text
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8191.
Top quark mass and properties summary plots June 2023
This note presents plots summarising ATLAS results and combinations of top quark mass measurements and other top quark properties..
ATL-PHYS-PUB-2023-015. - 2023. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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8192.
Measuring tau g-2 using ATLAS Pb+Pb collisions / Stanek-Maslouska, Weronika (Deutsches Elektronen-Synchrotron (DE))
Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons, leading to photon-induced processes. [...]
ATL-PHYS-PROC-2023-027. - 2023. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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8193.
Searches for rare top quark production and decay processes with the ATLAS experiment / George, William Frederick (University of Birmingham (GB))
The large integrated luminosity collected by the ATLAS detector at the LHC provides the opportunity to probe the presence of new physics that could enhance the rate of very rare processes in the standard model (SM). [...]
ATL-PHYS-PROC-2023-026. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8194.
Measurements of $W$ boson production in association with heavy flavour at ATLAS / Giuli, Francesco (CERN)
Proceeding for XXX International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2023), Michigan State University, USA, 27-31 March 2023
ATL-PHYS-PROC-2023-025. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8195.
Tagging boosted $W$ bosons applying machine learning to the Lund Jet Plane
In this note we study the performance of taggers using the Lund Plane, and the information from the successive splittings leading to its construction, to identify jets originating from W bosons. [...]
ATL-PHYS-PUB-2023-017. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8196.
Searches for BSM physics using challenging and long-lived signatures with the ATLAS detector / Pompa Pacchi, Elena (Sapienza Universita e INFN, Roma I (IT))
Various theories Beyond the Standard Model (BSM) predict new, Long-Lived Particles (LLP) with unique signatures which are difficult to reconstruct and for which estimating the background rates is also a challenge. [...]
ATL-PHYS-PROC-2023-029. - 2023. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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8197.
Improving ATLAS Hadronic Object Performance with ML/AI Algorithms / Hodkinson, Benjamin Haslum (University of Cambridge (GB))
Hadronic object reconstruction is one of the most promising settings for cutting-edge machine learning and artificial intelligence algorithms at the LHC. [...]
arXiv:2307.01388 ; ATL-PHYS-PROC-2023-028. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8198.
Search for rare decays and lepton-flavor-violating decays of the Higgs boson at the ATLAS experiment / Bruckman De Renstrom, Pawel (Polish Academy of Sciences (PL))
The Standard Model predicts several rare Higgs boson decay channels, among which are the decays to a Z boson and a photon, to a low-mass lepton pair and a photon, and to a meson and a photon. [...]
arXiv:2307.07728 ; ATL-PHYS-PROC-2023-040. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8199.
ATLAS Results on Hard and Electromagnetic Probes in Heavy-Ion Collisions / Balek, Petr (AGH University of Science and Technology (PL))
The ATLAS experiment at the LHC encompasses a wide-ranging physics program that includes a variety of collision systems and energies. [...]
ATL-PHYS-PROC-2023-039. - 2023. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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8200.
Dilepton production and BSM physics from photon fusion processes in UPC and non-UPC Pb+Pb collisions with the ATLAS detector / Grabowska-Bold, Iwona (AGH University of Science and Technology (PL))
Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons, leading to multiple photon-induced processes. [...]
ATL-PHYS-PROC-2023-038. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8201.
BSM physics using photon-photon fusion processes in UPC in Pb+Pb collisions with the ATLAS detector / Burka, Klaudia (AGH University of Science and Technology (PL))
Relativistic heavy-ion beams at the LHC are accompanied by a large flux of equivalent photons, leading to multiple photon-induced processes. [...]
arXiv:2307.07481 ; ATL-PHYS-PROC-2023-037. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8202.
Search for supersymmetric sleptons and charginos with the ATLAS detector / Ballabene, Eric (Universita e INFN, Bologna (IT))
A new search for the electroweak production of supersymmetric particles decaying into two leptons with missing transverse momentum is presented. [...]
ATL-PHYS-PROC-2023-036. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8203.
BSM physics using photon-photon fusion processes in UPC in Pb+Pb collisions with the ATLAS detector / Ogrodnik, Agnieszka Ewa (Charles University (CZ))
In heavy-ion collisions, the highly relativistic ions act as a strong source of electromagnetic radiation, enhanced by the large proton charge number $Z$. [...]
ATL-PHYS-PROC-2023-035. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8204.
Searches for lepton-flavour violating decays of the Higgs boson into $e \tau$ and $\mu \tau$ in $\sqrt{s}=13~\mathrm{TeV}$ $pp$ collisions with the ATLAS detector / Gomez Delegido, Antonio Jesus (Univ. of Valencia and CSIC (ES))
Direct searches for lepton-flavour-violating decays of the Higgs boson into $e \tau$ and $\mu \tau$ final states with the ATLAS detector at the LHC with Run 2 data are presented. [...]
ATL-PHYS-PROC-2023-034. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8205.
Higgs Physics at HL-LHC / Mlynarikova, Michaela (CERN)
The large dataset of about $3~{\mathrm{ab}^{-1}}$ that will be collected by both the ATLAS and CMS experiments at the High Luminosity LHC (HL-LHC) will be used to measure Higgs boson properties in detail. [...]
arXiv:2307.07772 ; ATL-PHYS-PROC-2023-033. - 2023. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8206.
Searching for additional Higgs bosons at ATLAS / Kaczmarska, Anna (Polish Academy of Sciences (PL))
Extending the Higgs sector by introducing additional scalar fields to account for the electroweak symmetry breaking, can provide solutions to some of the questions the Standard Model fails to answer. [...]
ATL-PHYS-PROC-2023-032. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8207.
Searches of Lepton-Flavour-Violating Decays of the Higgs Boson with the ATLAS Detector at the HL-LHC / Bhalla, Naman Kumar (Albert Ludwigs Universitaet Freiburg (DE))
These proceedings presents a study of the prospects of searches for lepton-flavour-violating decays of the Higgs boson into $e\tau$ and $\mu\tau$ final states with $3000\,\text{fb}^{-1}$ of proton-proton collisions at $\sqrt{s} = 14\,\text{TeV}$ using the ATLAS detector at the HL-LHC. [...]
ATL-PHYS-PROC-2023-031. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8208.
Measurements of top-quark production cross-sections with the ATLAS detector / Principe Martin, Miguel Angel (Universidad Autonoma de Madrid (ES))
The LHC produces a vast sample of top-quark pairs and single-top quarks. [...]
ATL-PHYS-PROC-2023-030. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8209.
Probing the nature of electroweak symmetry breaking with Higgs boson pairs in ATLAS / Zabinski, Bartlomiej Henryk (Polish Academy of Sciences (PL))
Constraints on the Higgs boson self-coupling are set by combining double-Higgs boson analyses bb̄bb̄,bb̄τ + τ − and bb̄γγ decay channels The data used in these analyses were recorded by the ATLAS detector at the √ LHC in proton–proton collisions at s = 13 TeV and correspond to an integrated luminosity of 126–139 f b −1 . [...]
arXiv:2307.11467 ; ATL-PHYS-PROC-2023-043. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8210.
Overview of the ATLAS ALFA detectors, performance and physics analysis / Bussey, Peter John (University of Glasgow (GB))
An overview is presented of the ALFA forward detector system in the ATLAS Detector at the LHC, CERN. [...]
ATL-FWD-PROC-2023-002. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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8211.
TileCalibWeb Robot tool for ATLAS Calorimeter conditions and calibrations data handling in Run 3 / Smirnov, Yuri (Northern Illinois University (US)) ; Chakraborty, Dhiman (Northern Illinois University (US)) ; Parrish, Elliot (Northern Illinois University (US)) ; Solodkov, Sanya (Institute for High Energy Physics of NRC Kurchatov Institute (RU)) ; Strizenec, Pavol (Slovak Academy of Sciences (SK))
Every sub-detector in the ATLAS experiment at the LHC, including ATLAS Calorimeter, writes conditions and calibration data into an ORACLE Database (DB). [...]
ATL-CAL-PROC-2023-001. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8212.
Observation of electroweak production of $W^+W^-$ in association with jets using the ATLAS Detector
A measurement of the production of W bosons with opposite electric charges in association with two jets is presented based on $140\,\mathrm{fb}^{-1}$ of data collected by the ATLAS detector in proton-proton collisions at $\sqrt{s}=13\,\mathrm{TeV}$, during LHC Run 2. [...]
ATLAS-CONF-2023-039. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8213.
Evidence of pair-production of longitudinally polarised vector bosons and study of CP properties in $ZZ \to 4\ell$ events with the ATLAS detector at $\sqrt{s} = 13$~TeV
A study of the polarisation and CP properties in $ZZ$ production is presented. [...]
ATLAS-CONF-2023-038. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8214.
Combined measurement of the Higgs boson mass from the $H\to\gamma\gamma$ and $H\to ZZ^{*} \to 4\ell$ decay channels with the ATLAS detector using $\sqrt{s}$ = 7, 8 and 13 TeV $pp$ collision data
A measurement of the mass of the Higgs boson combining the $H\to ZZ^{*} \to 4\ell$ and $H\to\gamma\gamma$ decay channels is presented. [...]
ATLAS-CONF-2023-037. - 2023. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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8215.
Measurement of the Higgs boson mass with $H \rightarrow \gamma\gamma$ decays in 140 fb$^{-1}$ of $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector
The mass of the Higgs boson is measured in the $H\to\gamma\gamma$ decay channel, exploiting the high resolution of the invariant mass of photon pairs reconstructed from the decays of Higgs bosons produced in proton-proton collisions at a centre-of-mass energy $\sqrt{s}=13$ TeV. [...]
ATLAS-CONF-2023-036. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8216.
Dark matter summary plots for s-channel, 2HDM+a, Higgs portal and Dark Higgs models
This is an update of summary plots from the Exotics, SUSY, HDBS and Higgs working groups, via the CDM sub-group, for dark matter simplified models with s-channel Spin-1 and Spin-0 mediators, a Two-Higgs-Doublet model with a pseudoscalar mediator (2HDM+a), Higgs portal models and a Dark Higgs model. [...]
ATL-PHYS-PUB-2023-018. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8217.
Non-leptonic hadron decays at the LHC / Novotny, Radek (University of New Mexico (US))
This manuscript is devoted to the overview of the most recent measurements of non-leptonic hadron decays at the LHC, including results from the ATLAS, CMS, and LHCb collaborations. [...]
ATL-PHYS-PROC-2023-042. - 2023. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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8218.
Overview of ATLAS Forward Proton (AFP) detectors in Run-2 and outlook for Run-3 analyses / Sopczak, Andre (Czech Technical University in Prague (CZ))
We describe the status of the ATLAS Forward Proton (AFP) detectors in Run-2 and the outlook for Run-3 analyses. [...]
arXiv:2307.09780 ; ATL-FWD-PROC-2023-001. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8219.
Measurements of the Higgs boson coupling properties to fermions with the ATLAS detector / Tariq, Khuram (Chinese Academy of Sciences (CN))
Testing the Yukawa couplings of the Higgs boson to quarks and leptons is important to understand the origin of fermion masses. [...]
arXiv:2307.08372 ; ATL-PHYS-PROC-2023-041. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8220.
Precision measurements of jet and photon production at ATLAS / Camarero Munoz, Daniel (Brandeis University (US))
The production of jets and prompt isolated photons at hadron colliders provides stringent tests of perturbative QCD. [...]
arXiv:2307.13096 ; ATL-PHYS-PROC-2023-044. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8221.
Framework for custom event sample augmentations for ATLAS analysis data / Van Gemmeren, Peter (Argonne National Laboratory (US)) ; Mete, Alaettin Serhan (Argonne National Laboratory (US)) ; Nowak, Marcin Jerzy (Brookhaven National Laboratory (US)) ; Catmore, James (University of Oslo (NO)) ; Burzynski, Jackson Carl (Simon Fraser University (CA)) ; Krumnack, Nils Erik (Iowa State University (US)) ; Heinrich, Lukas Alexander (Technische Universitat Munchen (DE))
For HEP event processing, data is typically stored in column-wise synchronized containers, such as most prominently ROOT’s TTree, which have been used for several decades to store by now over 1 exabyte. [...]
ATL-SOFT-PROC-2023-003. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8222.
Transformer Neural Networks for Identifying Boosted Higgs Bosons decaying into $b\bar{b}$ and $c\bar{c}$ in ATLAS
Identifying boosted Higgs bosons decaying hadronically into a pair of $b$-quarks or $c$-quarks is an important capability which opens many opportunities to enrich the ATLAS physics programme at the Large Hadron Collider. [...]
ATL-PHYS-PUB-2023-021. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8223.
Constituent-Based $W$-boson Tagging with the ATLAS Detector
The identification of boosted hadronic decays of $W$ boson is important for a broad range of ATLAS physics analyses. [...]
ATL-PHYS-PUB-2023-020. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8224.
The application of neural networks for the calibration of topological cell clusters in the ATLAS calorimeters
The principal signals of the non-compensating calorimeters employed by the ATLAS experiment at the Large Hadron Collider (LHC) are clusters of topologically connected cell signals that reconstruct three-dimensional blobs of locally deposited energy. [...]
ATL-PHYS-PUB-2023-019. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8225.
Using MQTT and Node-RED to monitor the ATLAS Metadata Interface (AMI) stack and define metadata aggregation tasks in a pipelined way. / Odier, Jerome (Centre National de la Recherche Scientifique (FR)) ; Lambert, Fabian (Centre National de la Recherche Scientifique (FR)) ; Fulachier, Jerome Henri (Centre National de la Recherche Scientifique (FR)) ; Jaume, Maxime (Centre National de la Recherche Scientifique (FR)) ; Delsart, Pierre Antoine (Centre National de la Recherche Scientifique (FR))
ATLAS Metadata Interface (AMI) is a generic ecosystem for metadata aggregation, transformation and cataloging. [...]
ATL-SOFT-PROC-2023-006. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8226.
The ATLAS Workflow Management System Evolution in the LHC Run3 and towards the High-Luminosity LHC era / Pacheco Pages, Andreu (The Barcelona Institute of Science and Technology (BIST) (ES)) ; Klimentov, Alexei (Brookhaven National Laboratory (US))
The ATLAS experiment has 18+ years of experience using workload management systems to deploy and develop workflows to process and to simulate data on the distributed computing infrastructure. [...]
ATL-SOFT-PROC-2023-005. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8227.
Enhancing data consistency in ATLAS and CERN HR databases through automated synchronization / Aleksandravicius, Gabriel (Federal University of Rio de Janeiro (BR)) ; Loureiro Cruz, Ana Clara (Federal University of Rio de Janeiro (BR)) ; Niklaus Moreira Da Rocha Rodrigues, Carolina (Federal University of Rio de Janeiro (BR)) ; Lemos Lucidi Pinhao, Gabriela (LIP - Laboratorio de Instrumentação e Física Experimental de Partículas (PT)) ; Goes Afonso, Pedro Henrique (Federal University of Rio de Janeiro (BR)) ; Coura Torres, Rodrigo (Federal University of Rio de Janeiro (BR)) ; Seixas, Jose (Federal University of Rio de Janeiro (BR)) - Developer of the Glance system Developer of the Glance system Developer of the Glance system Developer of the Glance system
Consisting of the biggest particle physics laboratory in the world, it is with no surprise that CERN has a vast network of thousands of collaborators spreaded globally. [...]
ATL-SOFT-PROC-2023-004. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8228.
Search for short- and long-lived axion-like particles in $H\rightarrow a a \rightarrow 4\gamma$ decays with the ATLAS experiment at the LHC
A search for anomalous Higgs boson decays into two axion-like particles (ALPs) is presented, using the full Run-2 data set recorded by the ATLAS experiment. [...]
ATLAS-CONF-2023-040. - 2023. - 19 p.
Original Communication (restricted to ATLAS) - Full text
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8229.
The ATLAS experiment software on ARM / Elmsheuser, Johannes (Brookhaven National Laboratory (US)) ; Barreiro Megino, Fernando Harald (University of Texas at Arlington (US)) ; De Salvo, Alessandro (Sapienza Universita e INFN, Roma I (IT)) ; De Silva, Asoka (TRIUMF (CA)) ; Hauser, Reiner (Michigan State University (US)) ; Konstantinov, Dmitri (Institute for High Energy Physics of NRC Kurchatov Institute (RU)) ; Krasznahorkay, Attila (CERN) ; Lassnig, Mario (CERN) ; Sailer, Andre (CERN) ; Snyder, Scott (Brookhaven National Laboratory (US))
With an increased dataset obtained during the Run-3 of the LHC at CERN and the even larger expected increase of the dataset by more than one order of magnitude for the HL-LHC, the ATLAS experiment is reaching the limits of the current data processing model in terms of traditional CPU resources based on x86\_64 architectures and an extensive program for software upgrades towards the HL-LHC has been set up. [...]
ATL-SOFT-PROC-2023-008. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8230.
Inclusive and differential $\sigma_{t\bar{t}}$ measurements using the ATLAS detector / Martinelli, Luca (Sapienza Universita e INFN, Roma I (IT))
Measurements of the total and differential top-quark pair-production cross sections in proton proton collisions at 13 TeV with the ATLAS detector at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2023-046. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8231.
Highlights on top quark physics with the ATLAS experiment at the LHC / Gocke, Benedikt (Technische Universitaet Dortmund (DE))
The large top quark samples collected with the ATLAS experiment at the LHC have yielded measurements of the inclusive \ttbar production cross section of unprecedented precision and differential measurements in new kinematic regimes. [...]
arXiv:2308.13483 ; ATL-PHYS-PROC-2023-045. - 2023. - 11 p.
Original Communication (restricted to ATLAS) - Full text - Fulltext
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8232.
ATLAS LAr Calorimeter Commissioning for LHC Run-3 / Furukawa, Marin (University of Tokyo (JP))
The Liquid Argon calorimeter of the ATLAS detector provides inputs to the first level of the ATLAS trigger. [...]
ATL-LARG-PROC-2023-002. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8233.
Clustering and Tracking in Dense Environments with the ATLAS Inner Tracker for the High-Luminosity LHC
Dense hadronic environments encountered, for example, in the core of high-transverse- momentum jets, present specific challenges for the reconstruction of charged-particle trajectories (tracks) in the ATLAS inner tracking detectors, as they are characterised by a high density of ionising particles. [...]
ATL-PHYS-PUB-2023-022. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8234.
Updates to the ATLAS Data Carousel Project / Borodin, Misha (University of Iowa (US)) ; Cameron, David (University of Oslo (NO)) ; Klimentov, Alexei (Brookhaven National Laboratory (US)) ; Korchuganova, Tatiana (University of Pittsburgh (US)) ; Lassnig, Mario (CERN) ; Maeno, Tadashi (Brookhaven National Laboratory (US)) ; Musheghyan, Haykuhi (Georg August Universitaet Goettingen (DE)) ; South, David (Deutsches Elektronen-Synchrotron (DE)) ; Zhao, Xin (Brookhaven National Laboratory (US))
The High Luminosity upgrade to the LHC (HL-LHC) is expected to deliver scientific data at the multi-exabyte scale. [...]
ATL-SOFT-PROC-2023-007. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8235.
A grid site reimagined: building a fully cloud-native ATLAS Tier 2 on Kubernetes / Taylor, Ryan (University of Victoria (CA)) ; Albert, Jeffrey Ryan (University of Victoria (CA)) ; Barreiro Megino, Fernando Harald (University of Texas at Arlington (US))
The University of Victoria (UVic) operates an Infrastructure-as-a- Service scientific cloud for Canadian researchers, and a WLCG Tier 2 grid site for the ATLAS experiment at CERN. [...]
ATL-SOFT-PROC-2023-014. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8236.
Machine Learning for Real-Time Processing of ATLAS Liquid Argon Calorimeter Signals with FPGAs / Voigt, Johann Christoph (Technische Universitaet Dresden (DE))
With the High-Luminosity upgrade of the LHC, the number of simultaneous proton-proton collisions will be increased to up to 200. [...]
ATL-LARG-PROC-2023-003. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8237.
Query Service for the new ATLAS EventIndex system / Rybkin, Grigori (Université Paris-Saclay (FR))
The ATLAS EventIndex system consists of the catalogue of all events collected, processed or generated by the ATLAS experiment at the CERN LHC accelerator, and all associated software tools. [...]
ATL-SOFT-PROC-2023-013. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8238.
Testing framework and monitoring system for the ATLAS EventIndex / Cherepanova, Elizaveta (Nikhef National institute for subatomic physics (NL)) ; Gallas, Elizabeth (University of Oxford (GB)) ; Prokoshin, Fedor (Joint Institute for Nuclear Research (RU)) ; Villaplana, Miguel (Univ. of Valencia and CSIC (ES))
The ATLAS EventIndex is a global catalogue of the events collected, processed or generated by the ATLAS experiment. [...]
ATL-SOFT-PROC-2023-012. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8239.
Computing Activities at the Spanish Tier-1 and Tier-2s for the ATLAS experiment in the LHC Run3 period and towards High Luminosity (HL-LHC) / ATLAS Collaboration
The ATLAS Spanish Tier-1 and Tier-2s have more than 18 years of experience in the deployment and development of LHC computing components and their successful operation. [...]
ATL-SOFT-PROC-2023-011. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8240.
The ATLAS jet trigger for Run 3 of the LHC / Amerl, Maximilian (University of Manchester (GB))
The ATLAS jet trigger is instrumental in selecting events both for Standard Model measurements and Beyond the Standard Model physics searches. [...]
ATL-DAQ-PROC-2023-004. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8241.
Distributed Machine Learning Workflow with PanDA and iDDS in LHC ATLAS / ATLAS Collaboration
Machine Learning (ML) has become one of the important tools for High Energy Physics analysis. [...]
ATL-SOFT-PROC-2023-010. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8242.
Deploying the ATLAS Metadata Interface (AMI) stack in a Docker Compose or Kubernetes environment. / Lambert, Fabian (Centre National de la Recherche Scientifique (FR)) ; Odier, Jerome (Centre National de la Recherche Scientifique (FR)) ; Fulachier, Jerome Henri (Centre National de la Recherche Scientifique (FR)) ; Jaume, Maxime (Centre National de la Recherche Scientifique (FR)) ; Delsart, Pierre Antoine (Centre National de la Recherche Scientifique (FR))
ATLAS Metadata Interface (AMI) is a generic ecosystem for metadata aggregation, transformation and cataloging. [...]
ATL-SOFT-PROC-2023-009. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8243.
Exploring Future Storage Options for ATLAS at the BNL/SDCC facility / Huang, Qiulan (Brookhaven National Laboratory (US)) ; Garonne, Vincent (Brookhaven National Laboratory (US)) ; Benjamin, Doug (Brookhaven National Laboratory (US)) ; Gamboa, Carlos Fernando (Brookhaven National Laboratory (US)) ; Misawa, Shigeki (Brookhaven National Laboratory (US)) ; Liu, Zhenping (Brookhaven National Laboratory (US))
The ATLAS Experiment in the HL-LHC area is expected to deliver an unprecedented amount of scientific data. [...]
ATL-SOFT-PROC-2023-019. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8244.
ATLAS Distributed Computing Evolution: Developments and Demonstrators Towards HL-LHC / South, David (Deutsches Elektronen-Synchrotron (DE)) ; Lassnig, Mario (CERN) ; Cameron, David (University of Oslo (NO))
The computing challenges at the HL–LHC require fundamental changes to the distributed computing models that have served experiments well throughout LHC. [...]
ATL-SOFT-PROC-2023-018. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8245.
Accounting and monitoring tools enhancement for Run 3 in the ATLAS distributed computing / Alekseev, Aleksandr (University of Texas at Arlington (UTA)) ; Barberis, Dario (INFN e Universita Genova (IT)) ; Svatos, Michal (Czech Academy of Sciences (CZ))
The ATLAS experiment at the LHC utilizes complex multicomponent distributed systems for processing (PanDA WMS) and managing (Rucio) data. [...]
ATL-SOFT-PROC-2023-017. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8246.
Extending Rucio with modern cloud storage support / Barisits, Martin (CERN) ; Barreiro Megino, Fernando Harald (University of Texas at Arlington (US)) ; Elmsheuser, Johannes (Brookhaven National Laboratory (US)) ; Lassnig, Mario (CERN) ; Patrascoiu, Mihai (CERN) ; Serfon, Cedric (Brookhaven National Laboratory (US)) ; Vendrell Moya, Alba ; Wegner, Tobias
Rucio is a software framework designed to facilitate scientific collaborations in efficiently organising, managing, and accessing extensive volumes of data through customizable policies. [...]
ATL-SOFT-PROC-2023-016. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8247.
Iterative and incremental development of the ATLAS Publication Tracking System / Loureiro Cruz, Ana Clara (Federal University of Rio de Janeiro (BR)) ; Niklaus Moreira Da Rocha Rodrigues, Carolina (Federal University of Rio de Janeiro (BR)) ; Aleksandravicius, Gabriel (Federal University of Rio de Janeiro (BR)) ; Lemos Lucidi Pinhao, Gabriela (LIP - Laboratorio de Instrumentação e Física Experimental de Partículas (PT)) ; Goes Afonso, Pedro Henrique (Federal University of Rio de Janeiro (BR)) ; Coura Torres, Rodrigo (Federal University of Rio de Janeiro (BR)) ; Seixas, Jose (Federal University of Rio de Janeiro (BR))
The ATLAS experiment is a particle physics experiment situated at the Large Hadron Collider (LHC) at CERN. [...]
ATL-SOFT-PROC-2023-015. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8248.
ATLAS Highlights / Angelidakis, Stylianos (National and Kapodistrian University of Athens (GR))
This report provides a selection of recent results from the physics programme of the ATLAS collaboration, covering a wide spectrum of research areas. [...]
ATL-PHYS-PROC-2023-047. - 2023. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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8249.
ATLAS Data Analysis using a Parallel Workflow on Distributed Cloud-based Services with GPUs / Sandesara, Jay Ajitbhai (Amherst College (US)) ; Coelho Lopes De Sa, Rafael (University of Massachusetts (US)) ; Martinez Outschoorn, Verena Ingrid (University of Massachusetts (US)) ; Barreiro Megino, Fernando Harald (University of Texas at Arlington (US)) ; Elmsheuser, Johannes (Brookhaven National Laboratory (US)) ; Klimentov, Alexei (Brookhaven National Laboratory (US))
A new type of parallel workflow is developed for the ATLAS experiment at the Large Hadron Collider, that makes use of distributed computing combined with a cloud-based infrastructure. [...]
ATL-SOFT-PROC-2023-023. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8250.
Measurements of the azimuthal anisotropy of jets and high-$p_{\mathrm{T}}$ charged particles in Pb+Pb collisions with the ATLAS detector / Wang, Xiaoning (Univ. Illinois at Urbana Champaign (US))
The heavy-ion collisions produce a hot, dense medium, and high-momentum partons from the collision traverse this medium while losing energy to it. [...]
ATL-PHYS-PROC-2023-050. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8251.
Leptoquarks and other leptonic final states - ATLAS / Padovano, Giovanni (Sapienza Universita e INFN, Roma I (IT))
Searches for leptoquarks and other exotic processes in multi-lepton final states constitute a new probe to access new physics in the Standard Model flavour sector. [...]
ATL-PHYS-PROC-2023-049. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8252.
ATLAS Inner TracKer Upgrade / Roy-Garand, Sebastien (University of Toronto (CA))
With the startup of the High-Luminosity Large Hadron Collider (HL-LHC), the Inner Detector (ID) will be replaced with a fully silicon detector known as the ATLAS Inner TracKer (ITk) [...]
ATL-ITK-PROC-2023-011. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8253.
Operational experience with the new ATLAS HLT framework for LHC Run 3 / Poreba, Aleksandra (Heidelberg University (DE))
Athena is the software framework used in the ATLAS experiment throughout the data processing path, from the software trigger system through offline event reconstruction to physics analysis. [...]
ATL-DAQ-PROC-2023-005. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8254.
$B^0_s \to J/\psi \phi$ in ATLAS / Thaler, Alexander (University of Innsbruck (AT))
A measurement of the $B^0_s \to J/\psi \phi$ decay parameters using $80.5\,\mathrm{fb}^{-1}$ of integrated luminosity collected with the ATLAS detector from $13\,\mathrm{TeV}$ proton-proton collisions at the LHC is presented. [...]
ATL-PHYS-PROC-2023-048. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8255.
Utilizing Distributed Heterogeneous Computing with PanDA in ATLAS / ATLAS Collaboration
In recent years, advanced and complex analysis workflows have gained increasing importance in the ATLAS experiment at CERN, one of the large scientific experiments at LHC. [...]
ATL-SOFT-PROC-2023-022. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8256.
The ATLAS ITk Strip Detector for the Phase-II LHC Upgrade / Baselga Bacardit, Marta (Technische Universitaet Dortmund (DE))
The inner detector of the present ATLAS experiment has been designed and developed to function in the environment of the present Large Hadron Collider (LHC). [...]
ATL-ITK-PROC-2023-010. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8257.
Application of quantum computing techniques in particle tracking at LHC / Chan, Wai Yuen (University of Tokyo (JP)) ; Akiyama, Daiya (Waseda University (JP)) ; Arakawa, Koki (Waseda University (JP)) ; Ganguly, Sanmay (University of Tokyo (JP)) ; Kaji, Toshiaki (University of Tokyo (JP)) ; Sawada, Ryu (University of Tokyo (JP)) ; Tanaka, Junichi (University of Tokyo (JP)) ; Terashi, Koji (University of Tokyo (JP)) ; Yorita, Kohei (Waseda University (JP))
In the near future, the LHC detector will deliver higher luminosity, causing the demand on large amount of computing resources. [...]
ATL-SOFT-PROC-2023-021. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8258.
ATLAS Computing Acknowledgements
Document listing the centres providing major contributions to ATLAS computing in terms of CPU resources in 2021, 2022, and 2023. [...]
ATL-SOFT-PUB-2023-001. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8259.
Search for new phenomena with top-quark pairs in final states with one lepton, jets and missing transverse momentum using 140 $\mathrm{fb}^{-1}$ of data at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for new phenomena with top quark pairs in final states with one isolated lepton, either an electron or a muon, jets, and large missing transverse momentum is performed. [...]
ATLAS-CONF-2023-043. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8260.
Improving topological cluster reconstruction using calorimeter cell timing in ATLAS
Clusters of topologically connected calorimeter cells around cells with large absolute signal-to-noise ratio (\textit{topo-clusters}) are at the base of calorimeter signal reconstruction in the ATLAS experiment. [...]
ATLAS-CONF-2023-042. - 2023. - 35 p.
Original Communication (restricted to ATLAS) - Full text
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8261.
Search for narrow low-mass resonances in the four-muon final state with the ATLAS detector at the LHC
A search for new low-mass resonances in the four-muon final state in the four-muon invariant mass range from $10-50$~GeV is performed using $pp$ collision data recorded with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2023-041. - 2023. - 21 p.
Original Communication (restricted to ATLAS) - Full text
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8262.
Accelerating science: the usage of commercial clouds in ATLAS Distributed Computing / ATLAS Collaboration
The ATLAS experiment at CERN is one of the largest scientific ma- chines built to date and will have ever growing computing needs as the Large Hadron Collider collects an increasingly larger volume of data over the next 20 years. [...]
ATL-SOFT-PROC-2023-020. - 2023. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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8263.
Engaging the Classroom – ATLAS Visits, Virtual Visits, Masterclasses, Cheat Sheets and More / Pham, Joni (University of Melbourne (AU))
The ATLAS Collaboration provides a range of outreach and engagement opportunities appropriate for classroom engagement with particle physics developed by the ATLAS Collaboration. [...]
ATL-OREACH-PROC-2023-002. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text - Full text - Full text - Full text
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8264.
Advances in developing deep neural networks for finding primary vertices in proton-proton collisions at the LHC / Garg, Rocky Bala (Stanford University (US)) ; Tompkins, Lauren Alexandra (Stanford University (US))
We have been studying the use of deep neural networks (DNNs) to identify and locate primary vertices (PVs) in proton-proton collisions at the LHC. [...]
ATL-SOFT-PROC-2023-031. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8265.
Efficient Search for New Physics Using Active Learning in the ATLAS Experiment / Bhatti, Zubair (New York University (US)) ; Espejo Morales, Irina (New York University (US)) ; Rieck, Patrick (New York University (US)) ; Heinrich, Lukas Alexander (Technische Universitat Munchen (DE)) ; Cranmer, Kyle Stuart (University of Wisconsin Madison (US)) ; Gadow, Philipp (CERN) ; Von Ahnen, Janik
Searches for new physics set exclusion limits in parameter spaces of typically up to 2 dimensions. [...]
ATL-SOFT-PROC-2023-030. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8266.
ATLAS Trigger and Data Acquisition upgrades for the High Luminosity LHC / Kopeliansky, Revital (Indiana University (US))
The ATLAS experiment at CERN is constructing an upgraded system for the “High Luminosity LHC”, with collisions due to start in 2029. [...]
ATL-DAQ-PROC-2023-007. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8267.
Results from muon reconstruction performance with ATLAS at Run-3 / Pinto Pinoargote, Andres Eloy (Johannes Gutenberg Universitaet Mainz (DE))
This note presents the first momentum performance results for the muon reconstruction, identification and isolation efficiencies of the ATLAS detector in $pp$ collisions at $\sqrt{s}=13.6$ TeV using data collected in 2022. [...]
ATL-PHYS-PROC-2023-053. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8268.
PHYSLITE - A new reduced common data format for ATLAS / Schaarschmidt, Jana (University of Washington (US)) ; Catmore, James (University of Oslo (NO)) ; Elmsheuser, Johannes (Brookhaven National Laboratory (US)) ; Heinrich, Lukas Alexander (Technische Universitat Munchen (DE)) ; Krumnack, Nils Erik (Iowa State University (US)) ; Mete, Alaettin Serhan (Argonne National Laboratory (US)) ; Ozturk, Nurcan (University of Texas at Arlington (US))
The High Luminosity LHC (HL-LHC) era brings unprecedented computing challenges that call for novel approaches to reduce the amount of data and MC that is stored, while continuing to support the rich physics program of the ATLAS experiment. [...]
ATL-SOFT-PROC-2023-029. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8269.
HBase/Phoenix-based Data Collection and Storage for the ATLAS EventIndex / Garcia Montoro, Carlos (Univ. of Valencia and CSIC (ES)) ; Sanchez Martinez, Francisco Javier (Univ. of Valencia and CSIC (ES)) ; Barberis, Dario (INFN e Universita Genova (IT)) ; Gonzalez De La Hoz, Santiago (Univ. of Valencia and CSIC (ES)) ; Salt, Jose (Univ. of Valencia and CSIC (ES))
The ATLAS EventIndex is the global catalogue of all ATLAS real and simulated events. [...]
ATL-SOFT-PROC-2023-028. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8270.
Deployment and Operation of the ATLAS EventIndex for LHC Run 3 / ATLAS Collaboration
The ATLAS EventIndex is the global catalogue of all ATLAS real and simulated events. [...]
ATL-SOFT-PROC-2023-027. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8271.
Examining the Impact of Data Layout on Tape on Data Recall Performance for ATLAS / Misawa, Shigeki (Brookhaven National Laboratory (US))
Increases in data volumes are forcing high-energy and nuclear physics experiments to store more frequently accessed data on tape. [...]
ATL-SOFT-PROC-2023-026. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8272.
Investigating the impact of 4D Tracking in ATLAS Beyond Run 4
This document presents the first investigation of the usage of precision timing information in the ATLAS tracker beyond the HL-LHC Run 4. [...]
ATL-PHYS-PUB-2023-023. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8273.
Sharing ATLAS Science: Communicating to the Public / Le Boulicaut, Elise Maria (Duke University (US))
Communicating the science and achievements of the ATLAS Experiment is a core objective of the ATLAS Collaboration. [...]
ATL-OREACH-PROC-2023-001. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8274.
A search for top-squark pair production, in final states containing a $t$-quark, $c$-quark and missing transverse momentum, using the full Run 2 dataset collected by the ATLAS detector
This paper presents a search for top-squark pair production in final states with a top quark, charm quark and missing transverse momentum using a dataset collected with the ATLAS detector during LHC Run 2, corresponding to an integrated luminosity of 139 fb$^{-1}$ at a centre-of-mass energy of $\sqrt{s} = 13$ TeV proton-proton collisions. [...]
ATLAS-CONF-2023-058. - 2023. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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8275.
Determining the relative sign of the Higgs boson couplings to $W$ and $Z$ bosons using VBF $WH$ production with the ATLAS detector
Associated production of Higgs and $𝑊$ bosons via vector boson fusion (VBF) offers sensitivity to the relative sign of the Higgs boson couplings to $𝑊$ and $𝑍$ bosons. [...]
ATLAS-CONF-2023-057. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8276.
Search for the exclusive $W$ boson hadronic decays $W^{\pm}\to\pi^{\pm}\gamma$, $W^{\pm}\to K^{\pm}\gamma$ and $W^{\pm}\to\rho^{\pm}\gamma$ with the ATLAS detector
A search for the exclusive hadronic decays $W^{\pm}\to \pi^{\pm}\gamma$, $W^{\pm}\to K^{\pm}\gamma$ and $W^{\pm}\to \rho^{\pm}\gamma$ is performed using up to $140\, \text{fb}^{-1}$ of proton-proton collisions recorded with the ATLAS detector at a center-of-mass energy of $\sqrt{s}=13\,\text{TeV}$. [...]
ATLAS-CONF-2023-056. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8277.
ATLAS Run 2 searches for electroweak production of supersymmetric particles interpreted within the pMSSM
A summary of the constraints from searches performed by the ATLAS experiment for the electroweak production of charginos and neutralinos is presented. [...]
ATLAS-CONF-2023-055. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8278.
Search for the quark-gluon plasma diffusion wake via measurements of jet-hadron correlations in photon-jet events in Pb+Pb and pp collisions at sqrt(s_NN) = 5.02 TeV with the ATLAS detector
This note describes the measurement of jet-hadron correlations in photon-jet events, using 1.73 nb−1 of Pb+Pb data and 260 pb−1 of pp data, both taken at sqrt(s_{NN}) = 5.02 TeV with the ATLAS detector in 2018 and 2017, respectively. [...]
ATLAS-CONF-2023-054. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8279.
Measurement of the Z boson invisible width at $\sqrt{s}=13$ TeV with the ATLAS detector
A measurement of the invisible width of the \ZBoson\ using events with jets and missing transverse momentum, \MET, is presented using 37 \ifb of 13 \TeV\ proton-proton data collected by the ATLAS detector in 2015 and 2016. [...]
ATLAS-CONF-2023-053. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8280.
Interpretations of the ATLAS measurements of Higgs boson production and decay rates and differential cross-sections in $pp$ collisions at $\sqrt{s}=13$ TeV
Measurements of the Higgs boson production and decay rates and differential cross-sections have recently been performed by the ATLAS experiment in several decay channels using up to 139 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=13$ TeV recorded at the Large Hadron Collider. [...]
ATLAS-CONF-2023-052. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8281.
Search for light long-lived neutral particles from Higgs boson decays via vector-boson-fusion production from $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
This paper describes a search for displaced dark photons with masses between 0.1 GeV and 15 GeV, from exotics decays of Higgs bosons produced via vector-boson-fusion. [...]
ATLAS-CONF-2023-051. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8282.
Studies of new Higgs boson interactions through nonresonant $HH$ production in the $b\bar{b}\gamma\gamma$ final state in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for nonresonant Higgs boson pair production in the $b\bar{b}\gamma\gamma$ final state is performed using 140 fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of 13 TeV recorded by the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2023-050. - 2023.
Original Communication (restricted to ATLAS) - Full text - Full text
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8283.
A search for R-parity-violating supersymmetry in final states containing many jets in $\sqrt{s} = 13$ $\text{TeV}$ $pp$ collisions with the ATLAS detector
A search for R-parity-violating supersymmetry in final states with high jet multiplicity is presented. [...]
ATLAS-CONF-2023-049. - 2023. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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8284.
The Platform-as-a-Service paradigm meets ATLAS: developing an automated analysis workflow on the newly established INFN CLOUD / Marcon, Caterina (Università degli Studi e INFN Milano (IT)) ; Carminati, Leonardo (Università degli Studi e INFN Milano (IT)) ; Rebatto, David (Università degli Studi e INFN Milano (IT)) ; Turra, Ruggero (Università degli Studi e INFN Milano (IT))
The Worldwide LHC Computing Grid (WLCG) is a large-scale collaboration which gathers computing resources from more than 170 computing centers worldwide. [...]
ATL-SOFT-PROC-2023-025. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8285.
Track reconstruction for the ATLAS Phase-II Event Filter using GNNs on FPGAs / Dittmeier, Sebastian (Heidelberg University (DE)) ; ATLAS TDAQ Collaboration
The High-Luminosity LHC (HL-LHC) will provide an order of magnitude increase in integrated luminosity and enhance the discovery reach for new phenomena. [...]
ATL-DAQ-PROC-2023-006. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8286.
Searches for Beyond the Standard Model Resonances in ATLAS / Le Boulicaut, Elise Maria (Duke University (US))
These proceedings summarize recent ATLAS searches for Beyond the Standard Model resonances which decay to pairs of bosons, heavy quarks, or leptons, using Run 2 data collected at the LHC. [...]
ATL-PHYS-PROC-2023-052. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8287.
Search for resonances in light-by-light scattering using the forward proton detectors at the LHC-ATLAS / Tateno, Gen (University of Tokyo (JP))
A search for light-by-light scattering mediated by an axion-like particle at the LHC is presented, using the central ATLAS detector to detect pairs of outgoing photons and the ATLAS Forward Proton spectrometer to detect scattered intact protons which produce the photons. [...]
ATL-PHYS-PROC-2023-051. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8288.
Towards a new conditions data infrastructure in ATLAS / Formica, Andrea (Université Paris-Saclay (FR)) ; Costanzo, Davide (University of Sheffield (GB)) ; Gallas, Elizabeth (University of Oxford (GB)) ; Ozturk, Nurcan (University of Texas at Arlington (US)) ; Vogel, Marcelo (University of Texas at Arlington (US)) ; Roe, Shaun (CERN) ; Alexandrov, Evgeny (Joint Institute for Nuclear Research (RU)) ; Mineev, Mikhail (Joint Inst. for Nuclear Research (RU)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Lab. (US)) ; Canali, Luca (CERN)
The ATLAS experiment is preparing a major change in the conditions data infrastructure in view of LHC Run 4. [...]
ATL-SOFT-PROC-2023-024. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8289.
Search for new physics in events with two Higgs bosons and missing transverse momentum in $\sqrt{s}=13\;\text{TeV}$ $pp$ collisions at the ATLAS experiment
A search is presented for pair production of higgsinos, the supersymmetric partners of the Higgs bosons, in scenarios with gauge-mediated supersymmetry breaking. [...]
ATLAS-CONF-2023-048. - 2023. - 35 p.
Original Communication (restricted to ATLAS) - Full text
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8290.
Search for Resonant Production of Dark Quarks in the Di-jet Final State with the ATLAS Detector
This note presents a search for a new Z' resonance decaying into a pair of dark quarks which hadronise into dark hadrons before promptly decaying back to Standard Model particles. [...]
ATLAS-CONF-2023-047. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8291.
Run 2 results of searches for charginos and neutralinos at the ATLAS experiment using a statistical combination
Statistical combinations of searches for charginos and neutralinos using various decay channels are performed using $139\,$fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13\,$TeV with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2023-046. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8292.
Search for a new leptonically decaying neutral vector boson in association with missing transverse energy in proton–proton collisions at $\sqrt{s}=13~$TeV with the ATLAS detector
A search for dark matter particles produced in association with a new neutral vector boson is performed using proton–proton collisions at $\sqrt{s} = 13$ TeV, corresponding to an integrated luminosity of 140 fb$^{−1}$ recorded by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2023-045. - 2023. - 32 p.
Original Communication (restricted to ATLAS) - Full text
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8293.
Search for heavy, long lived charged particles with large specific ionisation and low-beta in 140 fb-1 of p-p collisions at sqrt(s) = 13 TeV using the ATLAS experiment
This paper presents a search for hypothetical massive, charged, long-lived particles with the ATLAS detector at the LHC using an integrated luminosity of 140 fb-1 of proton–proton collisions at sqrt(s) = 13 TeV. [...]
ATLAS-CONF-2023-044. - 2023. - 31 p.
Original Communication (restricted to ATLAS) - Full text
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8294.
Electroweak $W^{\pm}W^{\pm}jj$ Production in ATLAS / Solomon, Shalu (Brandeis University (US))
Vector boson scattering is one of the recent remarkable observations at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2023-055. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8295.
The Creation and Evolution of the US ATLAS Shared Analysis Facilities / Rind, Ofer (Brookhaven National Laboratory (US)) ; Gardner Jr, Robert William (University of Chicago (US)) ; Bryant, Lincoln (University of Chicago (US)) ; Hu, Fengping (University of Chicago (US)) ; Yang, Wei (SLAC National Accelerator Laboratory (US)) ; Benjamin, Doug (Brookhaven National Laboratory (US)) ; Vukotic, Ilija (University of Chicago (US))
Prior to the start of the LHC Run 3, the US ATLAS Software and Computing operations program established three shared Tier 3 Analysis Facilities (AFs). [...]
ATL-SOFT-PROC-2023-045. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8296.
Operational Analytics Studies for ATLAS Distributed Computing: Data Popularity Forecast and Utilization of the WLCG Centers / Grigoryeva, Maria (M.V. Lomonosov Moscow State University (RU)) ; Klimentov, Alexei (Brookhaven National Laboratory (US)) ; Schulz, Markus (CERN) ; Shubin, Mikhail (M.V. Lomonosov Moscow State University (RU))
Operational analytics is the direction of research related to the analysis of the current state of computing processes and the prediction of the future in order to anticipate imbalances and take timely measures to stabilize a complex system. [...]
ATL-SOFT-PROC-2023-044. - 2023. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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8297.
Towards a distributed heterogeneous task scheduler for the ATLAS offline software framework / Esseiva, Julien (Lawrence Berkeley National Lab. (US)) ; Stanislaus, Beojan (Lawrence Berkeley National Lab. (US)) ; Leggett, Charles (Lawrence Berkeley National Lab. (US)) ; Calafiura, Paolo (Lawrence Berkeley National Lab. (US)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Lab. (US)) ; Ju, Xiangyang (Lawrence Berkeley National Lab. (US))
With the increased data volumes expected to be delivered by the HL-LHC, it becomes critical for the ATLAS experiment to maximize the utilization of available computing resources ranging from conventional GRID clusters to supercomputers and cloud computing platforms. [...]
ATL-SOFT-PROC-2023-043. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8298.
Development of the ATLAS Liquid Argon Calorimeter Readout Electronics for the HL-LHC / Ventura Gonzalez, Salvador (Université Paris-Saclay (FR))
The ATLAS Liquid Argon Calorimeter readout electronics will be upgraded to withstand higher radiation doses and harsher conditions during the HL-LHC. [...]
ATL-LARG-PROC-2023-004. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8299.
Simulation and expected detector performance of fractionally charged particles in ATLAS
Searching for long-lived fractionally charged particles (FCPs) provides a novel opportunity in the exploration for new physics. [...]
ATL-GEN-PUB-2023-001. - 2023. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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8300.
Benchmarking Data Acquisition event building network performance for the ATLAS HL-LHC upgrade / Pozo Astigarraga, Eukeni (CERN) ; Bonaventura, Matias (CERN) ; Maple, James (CERN) ; Pecker Marcosig, Ezequiel (Universidad de Buenos Aires (AR)) ; Levrini, Giacomo (Universita e INFN, Bologna (IT)) ; Castro, Rodrigo Daniel (Universidad de Buenos Aires (AR))
The ATLAS experiment’s data acquisition (DAQ) system will be extensively updated to take full advantage of the High-Luminosity LHC (HL- LHC) upgrade, allowing it to record data at unprecedented rates. [...]
ATL-DAQ-PROC-2023-009. - 2023. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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8301.
Probing the nature of electroweak symmetry breaking with Higgs boson pairs in ATLAS / Burger, Angela Maria (Université Clermont Auvergne (FR))
In the Standard Model, the ground state of the Higgs field is not found at zero but instead corresponds to one of the degenerate solutions minimising the Higgs potential. [...]
ATL-PHYS-PROC-2023-054. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8302.
FELIX: first operational experience with the new ATLAS readout system and perspectives for HL-LHC / Hoya, Joaquin (Argonne National Laboratory (US))
Over the next decade, the ATLAS detector will be required to operate in an increasingly harsh collision environment, with ten times more trigger rate. [...]
ATL-DAQ-PROC-2023-008. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8303.
Optimizing ATLAS data storage: the impact of compression algorithms on ATLAS physics analysis data formats / Marcon, Caterina (Università degli Studi e INFN Milano (IT)) ; Mete, Alaettin Serhan (Argonne National Laboratory (US)) ; Van Gemmeren, Peter (Argonne National Laboratory (US)) ; Carminati, Leonardo (Università degli Studi e INFN Milano (IT))
The increased footprint foreseen for Run-3 and HL-LHC data will soon expose the limits of currently available storage and CPU resources. [...]
ATL-SOFT-PROC-2023-042. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8304.
Evolution of the ATLAS CREST conditions DB project / Mineev, Mikhail (Joint Inst. for Nuclear Research (RU)) ; Formica, Andrea (Université Paris-Saclay (FR)) ; Ozturk, Nurcan (University of Texas at Arlington (US)) ; Roe, Shaun (CERN) ; Tsulaia, Vakhtang (Lawrence Berkeley National Lab. (US)) ; Vogel, Marcelo (University of Texas at Arlington (US)) ; Alexandrov, Evgeny (Joint Institute for Nuclear Research (RU))
The CREST project is a new realization of the conditions DB with the REST API and JSON support for the ATLAS experiment. [...]
ATL-SOFT-PROC-2023-041. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8305.
Bringing the ATLAS HammerCloud setup to the next level with containerization / Rottler, Benjamin (Albert Ludwigs Universitaet Freiburg (DE)) ; Boehler, Michael (Albert Ludwigs Universitaet Freiburg (DE)) ; Duckeck, Guenter (Ludwig Maximilians Universitat (DE)) ; Lory, Alexander (Ludwig Maximilians Universitat (DE)) ; Mitterer, Christoph Anton (Ludwig Maximilians Universitat (DE)) ; Schovancova, Jaroslava (CERN)
HammerCloud (HC) is a testing service and framework for continuous functional tests, on-demand large-scale stress tests, and performance bench marks. [...]
ATL-SOFT-PROC-2023-040. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8306.
Optimization of opportunistic utilization of the ATLAS high-level trigger farm for LHC run 3 / Glushkov, Ivan (University of Texas at Arlington (US)) ; Di Girolamo, Alessandro (CERN) ; Walker, Rodney (Ludwig Maximilians Universitat (DE)) ; Gottardo, Carlo Alberto (CERN)
The ATLAS Trigger and Data Acquisition (TDAQ) High Level Trigger (HLT) computing farm contains 120000 cores. [...]
ATL-SOFT-PROC-2023-039. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8307.
Physics Performance of the ATLAS GNN4ITk Track Reconstruction Chain / Caillou, Sylvain (Centre National de la Recherche Scientifique (FR)) ; Calafiura, Paolo (Lawrence Berkeley National Lab. (US)) ; Farrell, Steven Andrew ; Ju, Xiangyang (Lawrence Berkeley National Lab. (US)) ; Murnane, Daniel Thomas (Lawrence Berkeley National Lab. (US)) ; Pham, Minh Tuan (University of Wisconsin Madison (US)) ; Rougier, Charline (Centre National de la Recherche Scientifique (FR)) ; Stark, Jan (Centre National de la Recherche Scientifique (FR)) ; Vallier, Alexis (Centre National de la Recherche Scientifique (FR))
Particle tracking is vital for the ATLAS physics programs. [...]
ATL-SOFT-PROC-2023-038. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8308.
Use of a Normalizing Flow model for generating Drell-Yan events in the ATLAS collaboration at the LHC / Fitzhugh, Peter Michael (Université Paris-Saclay (FR)) ; Ju, Xiangyang (Lawrence Berkeley National Lab. (US)) ; Nikolaidou, Rosy (Université Paris-Saclay (FR))
The search for the dimuon decay of the Standard Model (SM) Higgs boson represents a typical bump-hunting physics analysis performed at the Large Hadron Collider (LHC). [...]
ATL-SOFT-PROC-2023-037. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8309.
Faster simulated track reconstruction in the ATLAS Fast Chain / Leight, William Axel (University of Massachusetts (US)) ; Tsai, Fang-Ying (Stony Brook University (US)) ; Javurkova, Martina (University of Massachusetts (US)) ; Golling, Tobias (Universite de Geneve (CH)) ; Chapman, John Derek (University of Cambridge (GB)) ; Sengupta, Debajyoti (Universite de Geneve (CH))
The production of simulated datasets for use by physics analyses consumes a large fraction of ATLAS computing resources, a problem that will only get worse as increases in the instantaneous luminosity provided by the LHC lead to more collisions per bunch crossing (pile-up). [...]
ATL-SOFT-PROC-2023-036. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8310.
ATLAS Virtual Visits: Bringing the World to our Detector / Le Boulicaut, Elise Maria (Duke University (US))
The Virtual Visit service run by the ATLAS Collaboration at CERN has been active since 2010. [...]
ATL-OREACH-PROC-2023-003. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8311.
Inclusive $W^{\pm}$ and $Z^{0}$ cross sections at next-to-next-to leading order QCD for the ATLAS experiment
This note presents the evaluation of the cross sections for the production of single electroweak vector bosons ($W$, $Z/\gamma^{*}$) in proton--proton collisions using state-of-the-art calculations for use in the ATLAS experiment at the Large Hadron Collider. [...]
ATL-PHYS-PUB-2023-026. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8312.
Multithreading ATLAS offline software: a retrospective / Krasznahorkay, Attila (CERN) ; Leggett, Charles (Lawrence Berkeley National Lab. (US)) ; Mete, Alaettin Serhan (Argonne National Laboratory (US)) ; Snyder, Scott (Brookhaven National Laboratory (US)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Lab. (US)) ; Winklmeier, Frank (University of Oregon (US))
For Run 3, ATLAS redesigned its offline software, Athena, so that the main workflows run completely multithreaded. [...]
ATL-SOFT-PROC-2023-035. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8313.
BigPanDA monitoring system evolution in the ATLAS experiment / Korchuganova, Tatiana (University of Pittsburgh (US)) ; Klimentov, Alexei (Brookhaven National Laboratory (US)) ; Alekseev, Aleksandr (University of Texas at Arlington (UTA)) ; Wenaus, Torre (Brookhaven National Laboratory (US)) ; Yang, Zhaoyu (Brookhaven National Laboratory (US))
Monitoring services play a crucial role in the day-to-day operation of distributed computing systems. [...]
ATL-SOFT-PROC-2023-034. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8314.
S3 Gateway / Hanushevsky, Andrew Bohdan (SLAC National Accelerator Laboratory (US))
The S3 Gateway is a server based application that provides a bridge between protocols and security used in the HEP community to S3 protocols and its associated security model [...]
ATL-SOFT-PROC-2023-033. - 2023. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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8315.
The ATLAS Event Picking Service and its evolution / ATLAS Collaboration
The EventIndex is the complete catalogue of all ATLAS real and simulated events, keeping the references to all permanent files that contain a given event in any processing stage; its implementation has been substantially revised in advance of LHC Run 3 to be able to scale to the higher production rates. [...]
ATL-SOFT-PROC-2023-032. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8316.
Jet radius dependence of dijet momentum balance in Pb+Pb collisions at 5.02 TeV with the ATLAS detector
This note describes a measurement of the jet radius dependence of the momentum balance between leading back-to-back dijets in 1.7~\inb\ of Pb+Pb collisions collected in 2018 and 260~\ipb\ of pp collisions collected in 2017 by the ATLAS detector at the LHC. [...]
ATLAS-CONF-2023-060. - 2023. - 27 p.
Original Communication (restricted to ATLAS) - Full text
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8317.
Charged-hadron yield measurements in photo-nuclear collisions using 5.02 TeV Pb+Pb data with ATLAS
This note presents the analysis of charged-hadron measurements in photo-nuclear collisions using 1.73 $\mathrm{nb^{-1}}$ of 5.02 TeV Pb+Pb data collected in 2018 by ATLAS. [...]
ATLAS-CONF-2023-059. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8318.
SUSY August 2023 Summary Plot Update
These are summary plots, updated for the SUSY group in August 2023
ATL-PHYS-PUB-2023-025. - 2023. - 24 p.
Original Communication (restricted to ATLAS) - Full text
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8319.
Physics potential of a combined data taking of the LHCf and ATLAS Roman Pot detectors
The modelling of hadronic showers induced by cosmic rays scattering off atmospheric nuclei is currently a major source of systematic uncertainties for Cherenkov telescope analyses. [...]
ATL-PHYS-PUB-2023-024. - 2023. - 32 p.
Original Communication (restricted to ATLAS) - Full text
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8320.
Roadmap towards future combinations and Effective Field Theory interpretations of top+X processes
This document describes the challenges of combining top+X measurements to produce coherent probes of the Standard Model predictions and Effective Field Theory (EFT) interpretations in the ATLAS experiment. [...]
ATL-PHYS-PUB-2023-030. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8321.
Studies on the improvement of the matching uncertainty definition in top-quark processes simulated with Powheg+Pythia 8
Top-quark processes, including pair production, single-top production and production in association with electroweak bosons, are modelled by the ATLAS Collaboration by matching the hard-scatter matrix element calculations of next-to-leading order Monte-Carlo generators with a parton shower generator. [...]
ATL-PHYS-PUB-2023-029. - 2023. - 33 p.
Original Communication (restricted to ATLAS) - Full text
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8322.
Top cross section summary plots - September 2023
Summary plots related to top-quark cross section measurements from ATLAS only and from ATLAS+CMS. [...]
ATL-PHYS-PUB-2023-028. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8323.
Top EFT summary plots September 2023
This note presents figures that summarise the limits on effective field theory (EFT) operators derived from measurements of the ATLAS top working group and LHC Top working group (ATLAS+CMS). [...]
ATL-PHYS-PUB-2023-027. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8324.
Measurements of Higgs boson properties (mass, width, and Spin/CP) with the ATLAS detector / Angelidakis, Stylianos (National and Kapodistrian University of Athens (GR))
Precise measurements of the properties of the Higgs boson, including its mass, total width, spin, and CP quantum number are presented. [...]
ATL-PHYS-PROC-2023-059. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8325.
Vector boson scattering measurements in ATLAS / Li, Shu (Tsung-Dao Lee Institute (CN) & Shanghai Jiao Tong University (CN))
Vector Boson Scattering VBS Electroweak Differential Measurements aQGC BSM
ATL-PHYS-PROC-2023-058. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8326.
Measurements of Higgs boson production and decay rates and their interpretation with the ATLAS experiment / Camerlingo, Maria Teresa (Universita Federico II e INFN Sezione di Napoli (IT))
The event rates and kinematics of Higgs boson production and decay processes at the LHC are sensitive probes of possible new phenomena beyond the Standard Model (BSM). [...]
ATL-PHYS-PROC-2023-057. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8327.
Measurements of jet production and the strong coupling constant at ATLAS / Day-Hall, Henry (Czech Technical University in Prague (CZ))
The measurement of new event-shape jet observables defined in terms the energy mover’s distance are discussed. [...]
ATL-PHYS-PROC-2023-056. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8328.
Recent Developments in the FullSimLight Simulation Tool from ATLAS / Khan, Raees Ahmad (University of Pittsburgh (US)) ; Bandieramonte, Marilena (University of Pittsburgh (US)) ; Tsulaia, Vakhtang (Lawrence Berkeley National Lab. (US)) ; Boudreau, Joseph (University of Pittsburgh (US)) ; Bianchi, Riccardo Maria (University of Pittsburgh (US)) ; Klekots, Denys (Taras Shevchenko National University of Kyiv (UA)) ; Dell'Acqua, Andrea (CERN)
FullSimLight is a lightweight, Geant4-based command line simulation utility intended for studies of simulation performance. [...]
ATL-SOFT-PROC-2023-046. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8329.
Measurement of differential cross sections in $t\bar t$ and $t\bar t+$jets production in the lepton+jets decay mode in $pp$ collisions at $\sqrt s=$ 13 TeV using 140 fb$^{-1}$ of ATLAS data
Differential cross sections for top-quark pair production, inclusively and in association with jets, are measured in $pp$ collisions at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC using an integrated luminosity of 140 fb$^{-1}$. [...]
ATLAS-CONF-2023-068. - 2023. - 61 p.
Original Communication (restricted to ATLAS) - Full text
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8330.
Measurement of high-momentum Higgs boson production in association with a vector boson in the qqbb final state with the ATLAS detector
This note presents a measurement of Higgs boson production in association with a vector boson (V = W or Z) in the fully hadronic qqbb final state using data recorded by the ATLAS detector at the LHC in proton–proton collisions at √s = 13 TeV and corresponding to an integrated luminosity of 137 fb−1. [...]
ATLAS-CONF-2023-067. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8331.
Combination of measurements of the top quark mass from data collected by the ATLAS and CMS experiments at √s = 7 and 8 TeV
A combination of fifteen top quark mass measurements performed by the ATLAS and CMS experiments at the LHC is presented. [...]
ATLAS-CONF-2023-066. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8332.
Inclusive and differential cross section measurements of $t\bar{t}Z$ production in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector, including EFT and spin correlations interpretations
Measurements of both the inclusive and differential production cross sections of a top-quark-antiquark pair in association with a $Z$ boson ($t\bar{t}Z$) are presented. [...]
ATLAS-CONF-2023-065. - 2023. - 85 p.
Original Communication (restricted to ATLAS) - Full text
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8333.
Search for non-resonant Higgs boson pair production in the $2b + 2\ell + E_\mathrm{T}^\mathrm{miss}$ final state in $pp$ collisions at $\sqrt{s} = 13\,\mathrm{TeV}$ with the ATLAS detector
A search for non-resonant Higgs boson pair ($HH$) production is presented, in which one of the Higgs bosons decays to a b-quark pair ($b\bar b$) and the other decays to $WW^*$, or $ZZ^*$, or $\tau^+\tau^-$, with in each case a final state with $\ell^+\ell^- +$ neutrinos ($\ell = e, \mu$). [...]
ATLAS-CONF-2023-064. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8334.
Observation of $t\bar{t}$ production in lepton+jets and dilepton channels in $p$+Pb collisions at $\sqrt{s_\mathrm{NN}}=8.16\;\mathrm{TeV}$ with the ATLAS detector
This note presents a measurement of the top-quark pair production cross section in proton-lead~($p$+Pb) collisions at $\sqrt{s_\mathrm{NN}}=8.16$ TeV at the Large Hadron Collider. [...]
ATLAS-CONF-2023-063. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8335.
Measurement of $ZZ$ production cross-sections in the four-lepton final state in $pp$ collisions at $\sqrt{s}= 13.6$ TeV with the ATLAS experiment
This paper reports a cross-section measurement of $ZZ$ production in pp collisions at $\sqrt{s}= 13.6$ TeV at the Large Hadron Collider. [...]
ATLAS-CONF-2023-062. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8336.
Measurement of Transverse Momentum Fluctuations in Xe+Xe and Pb+Pb Collisions with ATLAS
Measurements of the first three cumulants of the distribution of the event-by-event transverse momentum distribution, including the mean $\langle[\pT]\rangle$, variance, and skewness, are performed with the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2023-061. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8337.
Probing the nature of electroweak symmetry breaking using Higgs boson pairs in ATLAS / Senthilkumar, Varsha (Univ. of Valencia and CSIC (ES))
In the Standard Model, the ground state of the Higgs field is not found at zero but instead corresponds to one of the degenerate solutions minimising the Higgs potential. [...]
ATL-PHYS-PROC-2023-063. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8338.
Studies of quartic electroweak interactions in the ATLAS experiment / Honan, Benjamin Paul (University of Manchester (GB))
Processes involving quartic electroweak gauge couplings have become experimentally accessible for the first time in the run-2 dataset of the LHC. [...]
ATL-PHYS-PROC-2023-062. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8339.
New results on $t\bar{t}W$ and $t\bar{t}t\bar{t}$ production with the ATLAS experiment / Sindhu, Sreelakshmi (Georg August Universitaet Goettingen (DE))
The top-quark pair production in association with a W boson ($t\bar{t}W$) is an interesting process as it allows the study of $q\bar{q}$ vs $gg$ initiated $t\bar{t}$ production and is an important background to processes like $t\bar{t}H$ or $t\bar{t}t\bar{t}$ production. [...]
ATL-PHYS-PROC-2023-061. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text - Full text
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8340.
Searches for long-lived particles and other exotica at the LHC / Carlson, Evan Michael (University of Victoria (CA))
The ATLAS and CMS experiments at the LHC are currently searching for long-lived particles and other exotica with a wide range of signatures. [...]
ATL-PHYS-PROC-2023-060. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8341.
Observation of quantum entanglement in top-quark pair production using $pp$ collisions of $\sqrt{s} = 13$~\TeV\ with the ATLAS detector
We report the highest-energy observation of entanglement so far in top--antitop quark events produced at the Large Hadron Collider, using a proton$-$proton collision data set with a centre-of-mass energy of $\sqrt{s}=13$ TeV and an integrated luminosity of 140 fb$^{-1}$. [...]
ATLAS-CONF-2023-069. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8342.
Production of Heavy Flavor in ATLAS / Novotny, Radek (University of New Mexico (US))
The ATLAS experiment at the Large Hadron collider measures various heavy flavor production processes. [...]
ATL-PHYS-PROC-2023-067. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8343.
Measurement of electroweak gauge boson production in association with jets at ATLAS / Liu, Danning (Tsung-Dao Lee Institute (CN) & Shanghai Jiao Tong University (CN))
Proceeding for 34th Recontres De Blois Conference parallel talk page limit : 4 Deadline : 30/09/2023
ATL-PHYS-PROC-2023-066. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8344.
Measurement of processes sensitive to quartic electroweak couplings in ATLAS / Solomon, Shalu (Brandeis University (US))
Multi-boson interactions serve as a stringent test of the Standard Model. [...]
ATL-PHYS-PROC-2023-065. - 2023. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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8345.
B-decay branching fractions, helicities and lifetime measurements in ATLAS / Novotny, Radek (University of New Mexico (US))
The ATLAS experiment has an extensive research program focusing on various aspects of heavy flavor decays. [...]
ATL-PHYS-PROC-2023-064. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8346.
Development of the ATLAS Liquid Argon Calorimeter Readout Electronics for the HL-LHC / Shroff, Maheyer Jamshed (University of Victoria (CA)) ; ATLAS LAr Collaboration
A new era of hadron collisions will start around 2029 with the High-Luminosity LHC which is designed to collect ten times more data than what has been collected during 10 years of operation at LHC. [...]
ATL-LARG-PROC-2023-005. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8347.
Engaging Adults – Education and Outreach for ages 16+ / Kourkoumelis, Christine (National and Kapodistrian University of Athens (GR))
The ATLAS Collaboration has developed a number of highly successful programmes featuring educational content for schools and universities, as well as communication strategies to engage the broader public. [...]
ATL-OREACH-PROC-2023-004. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8348.
Searches for additional neutral Higgs bosons in ATLAS / Betti, Alessandra (Sapienza Universita e INFN, Roma I (IT))
The discovery of the Higgs boson with a mass of about 125 GeV completed the observation of the particle content predicted by the Standard Model. [...]
ATL-PHYS-PROC-2023-075. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8349.
Measurements of Higgs boson production in association with top quarks at the ATLAS experiment (EPS-HEP 2023 proceedings) / Strebler, Thomas (Centre National de la Recherche Scientifique (FR))
The study of Higgs boson production in association with one or two top quarks provides a key window into the properties of the two heaviest fundamental particles in the Standard Model, and in particular into their couplings [...]
ATL-PHYS-PROC-2023-074. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8350.
Overview of ATLAS forward proton detectors: status, performance, and new physics results / Clawson, Savannah (Deutsches Elektronen-Synchrotron (DE))
A key focus of the physics programme at the LHC is the study of head-on proton-proton collisions. [...]
ATL-FWD-PROC-2023-003. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8351.
Searches for singly- and doubly-charged Higgs bosons with the ATLAS detector / Novak, Tadej (Deutsches Elektronen-Synchrotron (DE))
In the Standard Model, one doublet of complex scalar fields is the minimal content of the Higgs sector needed to achieve the spontaneous electroweak symmetry breaking. [...]
ATL-PHYS-PROC-2023-073. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8352.
Including radiation damage effects in ATLAS Monte Carlo simulations: status and perspective / Bomben, Marco (Centre National de la Recherche Scientifique (FR)) ; ATLAS Pixel Collaboration
Signal reduction is the most important radiation damage effect on performance of silicon tracking detectors in ATLAS. [...]
ATL-INDET-PROC-2023-002. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8353.
Search for heavy, long-lived, charged particles with large ionisation energy loss and time-of-flight with the ATLAS experiment / Ressegotti, Martina (INFN e Universita Genova (IT))
We present a new search for hypothetical massive, charged, long-lived particles with the ATLAS detector at the LHC using an integrated luminosity of 140 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}$=13~TeV. [...]
ATL-PHYS-PROC-2023-072. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8354.
An FPGA-based Front-end Module Emulator for the High Granularity Timing Detector / Ge, Zhenwu (Nanjing University (CN)) ; Zhang, Jie (Chinese Academy of Sciences (CN)) ; Zhang, Lei (Nanjing University (CN)) ; Han, Liangliang (Nanjing University (CN))
This paper introduces an FPGA-based front-end module emulator developed for the High Granularity Timing Detector (HGTD) within the ATLAS experiment. [...]
ATL-HGTD-PROC-2023-003. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8355.
A precision measurement of fiducial and differential cross-sections of $WW$ production with the ATLAS detector / Pretel, Jose (Albert Ludwigs Universitaet Freiburg (DE))
Measuring production of $W$-boson pairs at particle colliders provides an important test of the predictions of Standard Model (SM) of particle physics in both perturbative quantum chromodynamics and electroweak domains. [...]
ATL-PHYS-PROC-2023-071. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8356.
Recent diboson and polarization measurements at ATLAS / Pretel, Jose (Albert Ludwigs Universitaet Freiburg (DE))
Diboson production in hadron-collider experiments provides access into the self-couplings governing gauge vector bosons, as anticipated by the electroweak sector of the Standard Model of particle physics. [...]
ATL-PHYS-PROC-2023-070. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8357.
Search for pair-production of vector-like quarks in lepton+jets final states containing at least one $b$-jet using the Run 2 data from the ATLAS experiment
A search is presented for the pair-production of heavy vector-like quarks in the lepton+jets final state using 140 fb$^{-1}$ of proton–proton collision data with $\sqrt{s}= 13$ TeV collected with the ATLAS detector. [...]
ATLAS-CONF-2023-070. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8358.
W, Z, and QCD / Calfayan, Philippe (Indiana University (US))
The analyses of W and Z vector bosons, photon, and jets production have been carried out by the ATLAS and CMS collaborations using datasets collected during LHC Run 2, comprising from $36.3\,\mathrm{fb}^{-1}$ to $140\,\mathrm{fb}^{-1}$. [...]
ATL-PHYS-PROC-2023-069. - 2023. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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8359.
Highlights on top quark physics with the ATLAS experiment at the Large Hadron Collider / Cerrito, Lucio (INFN e Universita Roma Tor Vergata (IT))
Recent measurements on the physics of top quarks with the ATLAS experiment at the Large Hadron Collider are presented. [...]
ATL-PHYS-PROC-2023-068. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8360.
Constituent-Based Quark Gluon Tagging using Transformers with the ATLAS detector
Jet constituents provide a more complete description of the radiation pattern inside a jet than observables describing the global jet properties like the number of tracks or the jet width. [...]
ATL-PHYS-PUB-2023-032. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8361.
Status of the MDT Trigger Processor for the ATLAS Level-0 Muon Trigger at the HL-LHC / Rojas Caballero, Rimsky Alejandro (University of Massachusetts (US)) ; ATLAS TDAQ Collaboration
The MDT Trigger Processor (MDTTP) is a key ATLAS Level-0 Muon trigger upgrade component designed to meet High-Luminosity LHC requirements. [...]
ATL-DAQ-PROC-2023-012. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8362.
Evaluation of QCD uncertainties for Higgs boson production through gluon fusion and in association with two top quarks for simplified template cross-section measurements
This note summarizes the QCD uncertainties for Higgs boson production through gluon fusion and in association with two top quarks. [...]
ATL-PHYS-PUB-2023-031. - 2023. - 20 p.
Original Communication (restricted to ATLAS) - Full text
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8363.
Performance of the track-counting luminosity measurement in pp collisions at $\sqrt{s}=13.6$ TeV with the ATLAS detector / Bahner, Daniel (Albert Ludwigs Universitaet Freiburg (DE))
A precise measurement of the luminosity is a crucial input for many ATLAS physics analyses, and represents the leading uncertainty for W, Z and top cross-section measurements. [...]
ATL-DAPR-PROC-2023-001. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8364.
Upgrade of the ATLAS Level-0 TGC Endcap Muon Trigger for HL-LHC / Kawamoto, Chihiro (Kyoto University (JP))
The Level-0 endcap muon trigger system for the ATLAS experiment at the HL-LHC, including the algorithms using Thin Gap Chamber (TGC), has been developed. [...]
ATL-DAQ-PROC-2023-011. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8365.
Performance profiling and design choices of an RDMA implementation using FPGA devices / Vasile, Matei (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Iancu, Voichita (University Politehnica of Bucharest (RO)) ; Martoiu, Sorin (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Stoicea, Gabriel (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO)) ; Boukadida, Nayib (Nikhef National institute for subatomic physics (NL)) ; Hobincu, Radu (University Politehnica of Bucharest (RO)) - software design hardware design, hardware development networking support hardware support hardware support
RDMA communication is an efficient choice for many applications, such as data acquisition systems, data center networking and any other networking application, where high bandwidth and low latency are necessary. [...]
ATL-DAQ-PROC-2023-010. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8366.
HGTD DC/DC Converter in Low Temperature and Magnetic Field Operation / Zhai, Mingjie (Chinese Academy of Sciences (CN)) ; Zhang, Jie (Chinese Academy of Sciences (CN)) ; Xu, Da (Chinese Academy of Sciences (CN)) ; Ge, Zhenwu (Nanjing University (CN)) ; Barreiro Guimaraes Da Costa, Joao (Chinese Academy of Sciences (CN)) ; Zhuang, Xuai (Chinese Academy of Sciences (CN))
The BPOL12V is a DC/DC converter designed to supply power to the High Granularity Timing Detector (HGTD) as part of the ATLAS Phase II upgrade project. [...]
ATL-HGTD-PROC-2023-004. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8367.
The End-of-Substructure (EoS) card for the ATLAS Strip Tracker Upgrade – from Design to Production / ATLAS Collaboration
The ATLAS Strip Tracker for HL-LHC is composed of individual modules that contain silicon sensors and front-end electronics. [...]
ATL-ITK-PROC-2023-012. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8368.
Observation of an excess of di-charmonium events in the four-muon final state with the ATLAS detector / Hagan, Alina (Lancaster University (GB))
An exploration of the $4mu$, di-charmonium channel in search for a full-charm tetraquark of the form $cc\bar{c}\bar{c}$ is conducted using the ATLAS detector with $140\text{fb}^{-1}$ of $pp$ data at $\sqrt{s}=13\text{TeV}$. [...]
ATL-PHYS-PROC-2023-079. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8369.
B hadron reconstruction in early ATLAS Run 3 data / Hagan, Alina (Lancaster University (GB))
B hadron reconstruction in early ATLAS Run 3 data The ATLAS B physics program will exploit data from Run 3 of the LHC. [...]
ATL-PHYS-PROC-2023-078. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8370.
Recent ATLAS Measurements in Heavy-Ion Collisions / Beresford, Lydia Audrey (Deutsches Elektronen-Synchrotron (DE))
The ATLAS experiment at the Large Hadron Collider has a broad heavy ion program covering a range of collision energies and ion species. [...]
ATL-PHYS-PROC-2023-077. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8371.
Measuring tau g-2 using ATLAS Pb+Pb collisions / Stanek-Maslouska, Weronika (Deutsches Elektronen-Synchrotron (DE))
At the Large Hadron Collider (LHC), relativistic heavy-ion beams generate a large flux of equivalent photons, which can lead to photon-induced reactions. [...]
ATL-PHYS-PROC-2023-076. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8372.
ATLAS Planar and 3D Pixel Sensor Performance and Operational Experience at the Large Hadron Collider / Battaglia, Marco (University of California,Santa Cruz (US))
This contribution focuses on performance and operating conditions of the ATLAS Pixel detector with special emphasis on radiation damage. [...]
ATL-INDET-PROC-2023-003. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8373.
Measuring the luminosity of heavy ion collisions with a new algorithm using charged particle tracks at the ATLAS detector / Bhide, Kartik Deepak (Albert Ludwigs Universitaet Freiburg (DE))
Determining the number of collisions delivered by the LHC inside the ATLAS detector is a key part of the ATLAS luminosity program. [...]
ATL-DAPR-PROC-2023-002. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8374.
First measurement of the t-channel single top production in pp collisions at $\sqrt{s} = 5.02$ TeV with the ATLAS experiment / Pintucci, Laura (Universita e INFN Trieste (IT))
Measurement of single top quark production $t-$channel cross-section in proton-proton collisions at an energy in the centre-of-mass of $\sqrt{s}=5.02 \ \text{TeV}$ with $257 \ \text{pb}^{-1}$ of data collected by the ATLAS experiment at LHC. [...]
ATL-PHYS-PROC-2023-086. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8375.
EPS Proceeding : Automation of the b-tagging calibration software in ATLAS / Barakat, Marawan (Deutsches Elektronen-Synchrotron (DE))
Particle cascades originating from quarks and gluons decays (jets) are omnipresent in proton-proton collisions at the LHC. [...]
ATL-PHYS-PROC-2023-085. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8376.
Searches for new phenomena in hadronic final states using the ATLAS detector / Francescato, Simone (Harvard University (US))
Many theories beyond the Standard Model predict new phenomena giving rise to multijet final states. [...]
ATL-PHYS-PROC-2023-084. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8377.
Searches for Leptoquarks with the ATLAS detector / Appelt, Christian (Humboldt University of Berlin (DE))
Leptoquarks are hypothetical particles that appear in many theoretical extensions of the Standard Model. [...]
ATL-PHYS-PROC-2023-083. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8378.
Light-by-light scattering and high mass dilepton production in UPC / Ciesla, Krzysztof (AGH University of Krakow (PL))
Photon-photon fusion is a rare process at hadron and ion colliders. [...]
ATL-PHYS-PROC-2023-082. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8379.
Development of the BCM' system for beam abort and luminosity monitoring in ATLAS based on a segmented polycrystalline CVD diamond system and dedicated front-end ASIC / Mali, Miha (Jozef Stefan Institute (SI))
The High Luminosity upgrade of Large Hadron Collider (HL-LHC) will increase the LHC Luminosity and with it the density of particles on the detector by an order of magnitude. [...]
ATL-ITK-PROC-2023-013. - 2024. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8380.
Measurement of collective dynamics in small and large systems with the ATLAS detector / Bhatta, Somadutta (Stony Brook University (US))
The investigation of bulk observables in heavy-ion collisions has been a long-standing pursuit to understand the properties of Quark-Gluon Plasma (QGP). [...]
ATL-PHYS-PROC-2023-081. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8381.
Recent Results in Higgs Physics / Masubuchi, Tatsuya (University of Tokyo (JP))
These proceedings report on recent results of the Higgs physics by the ATLAS and CMS experiments at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2023-080. - 2023. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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8382.
ATLAS New Small Wheel Performance Studies After First Year of Operation / Martinelli, Luca (Sapienza Universita e INFN, Roma I (IT))
After successfully completing Phase I upgrades during LHC Long Shutdown 2, the ATLAS detector is back in operation with several upgrades implemented. [...]
ATL-MUON-PROC-2023-003. - 2024. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8383.
Track reconstruction for the ATLAS Phase-II High-Level Trigger using Graph Neural Networks on FPGAs / Gupta, Sachin (Heidelberg University (DE)) ; ATLAS TDAQ Collaboration
The High-Luminosity LHC (HL-LHC) will provide an order of magnitude increase in integrated luminosity and the amount of data produced per event. [...]
ATL-DAQ-PROC-2023-014. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8384.
Current and future challenges when operating the ATLAS Liquid Argon Calorimeter / Kresse, Tom (Technische Universitaet Dresden (DE))
The Liquid Argon (LAr) Calorimeters are employed by ATLAS for precision electromagnetic calorimetry and for hadronic and forward calorimetry. [...]
ATL-LARG-PROC-2023-007. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8385.
Low Gain Avalanche Detectors for the ATLAS High Granularity Timing Detector: laboratory and test beam campaign / Ma, Kuo (University of Science and Technology of China (CN))
The High Granularity Timing Detector (HGTD) is designed for the mitigation of pile-up effects in the ATLAS forward region and for bunch per bunch luminosity measurements. [...]
ATL-HGTD-PROC-2023-007. - 2024. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8386.
Feasibility study of CSNS as an ATLAS ITk sensor QA irradiation site / Li, Hui (Tsinghua University (CN))
The current ATLAS Inner Detector will undergo a complete upgrade in order to meet the requirements of the High Luminosity Large Hadron Collider (HL-LHC). [...]
ATL-ITK-PROC-2023-016. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8387.
Luminosity determination in pp collisions at 13.6 TeV with the ATLAS detector / Hugli, Cedrine Alexandra (Deutsches Elektronen-Synchrotron Campus Zeuthen (DE))
A precise measurement of the luminosity is a crucial input for many ATLAS physics analyses, and represents the leading uncertainty for W, Z and top cross-section measurements. [...]
ATL-DAPR-PROC-2023-003. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8388.
Studies related to gender and geographic diversity in the ATLAS Collaboration
The ATLAS Collaboration consists of about 6,000 members, with nationalities from 94 countries. [...]
ATL-OREACH-PUB-2023-001. - 2023. - 13 p.
Original Communication (restricted to ATLAS) - Full text
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8389.
ATLAS Forward Proton Time-of-Flight detectors: status, performance and new physics results / ATLAS AFP Collaboration ; Ernani Martins Neto, Daniel (Polish Academy of Sciences (PL))
ATLAS Forward Proton Time-of-Flight (ToF) detectors of the ATLAS Forward Proton (AFP) system are designed to measure the primary vertex z-position of central exclusive processes by comparing the arrival times measured in the ToF from the two intact protons. [...]
ATL-FWD-PROC-2023-004. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8390.
Preliminary studies for a STXS simplified fiducial decay volume for the four lepton final state of the Higgs boson
This note describes a preliminary simplified fiducial decay selection for the $H \to 4\ell$ channel to be used with STXS measurements in order to reduce acceptance corrections needed in the presence of BSM contributions in the $H \to 4\ell$ decay. [...]
ATL-PHYS-PUB-2023-033. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8391.
Flexible Hough Transform FPGA Implementation for the ATLAS Event Filter / Alfonsi, Fabrizio (Universita e INFN, Bologna (IT))
The ATLAS Run3 will conclude as planned in late 2025 and will be followed by the so-called Long Shutdown 3. [...]
ATL-DAQ-PROC-2023-013. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8392.
Searches for Dark Matter with the ATLAS Experiment at the LHC / Habedank, Martin (Deutsches Elektronen-Synchrotron (DE))
The presence of a non-baryonic Dark Matter (DM) component in the Universe is inferred from the observation of its gravitational interaction. [...]
ATL-PHYS-PROC-2023-088. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8393.
A High Granularity Timing Detector for the ATLAS Phase-II upgrade: project overview and status / Jia, Xuewei (Chinese Academy of Sciences (CN))
A High Granularity Timing Detector (HGTD) has been proposed for the ATLAS phase-II upgrade to reduce the pile-up effects at the HL-LHC. [...]
ATL-HGTD-PROC-2023-006. - 2024. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8394.
Measurements of Higgs boson couplings and simplified template cross sections in bosonic final states (WW, ZZ, γγ) at the ATLAS experiment / Lagouri, Theodota (Yale University (US))
The Higgs boson decays to bosons provide very detailed measurements of Higgs boson properties and interactions, and shine light on the mechanism of electroweak symmetry breaking. [...]
ATL-PHYS-PROC-2023-087. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8395.
Sharing ATLAS Science: engaging the public / Carratta, Giuseppe (Universita e INFN, Bologna (IT))
Communicating the science goals and achievements of the ATLAS Experiment is a core objective of the ATLAS Collaboration. [...]
ATL-OREACH-PROC-2023-005. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8396.
The quality control programme for ITk strip tracker module assembly / Tishelman-Charny, Abraham (Brookhaven National Laboratory (US))
The assembly of the ATLAS Inner Tracker requires the construction of 19,000 silicon strip sensor detector modules in eight different geometries. [...]
ATL-ITK-PROC-2023-015. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8397.
ATLAS Liquid Argon Calorimeter Front-end electronics Phase-2 upgrade / Mazzeo, Elena (Università degli Studi e INFN Milano (IT)) ; ATLAS LAr Collaboration
A new era of hadron collisions will start around 2029 with the High-Luminosity LHC, which will allow to collect ten times more data than the amount that has been collected during the past 10 years of operation at LHC. [...]
ATL-LARG-PROC-2023-006. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8398.
Serial Powering Scheme and Performance Analysis for the Innermost Layer (L0) of ATLAS ITk modules / Samy, Md Arif Abdulla (Universita degli Studi di Trento and INFN (IT)) ; Pianori, Elisabetta (Lawrence Berkeley National Lab. (US)) ; Heim, Timon (Lawrence Berkeley National Lab. (US)) ; Thompson, Emily Anne (Lawrence Berkeley National Lab. (US)) ; Dalla Betta, Gian-Franco
In this study, we powered in series 4 triplets based on the pre-production ATLAS FE chip for HL-LHC. [...]
ATL-ITK-PROC-2023-014. - 2023. - 3 p.
Original Communication (restricted to ATLAS) - Full text
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8399.
Overview of the ATLAS High Granularity Timing Detector: project status and results / Fernandez Martinez, Pablo (The Barcelona Institute of Science and Technology (BIST) (ES))
The increase of the particle flux at the HL-LHC scenario, with instantaneous luminosities up to $7.5\times 10^{34}$ cm$^{-1}$s$^{-2}$, will have a severe impact on the ATLAS detector reconstruction and trigger performance. [...]
ATL-HGTD-PROC-2023-005. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8400.
Search for the non-resonant production of Higgs boson pairs via gluon fusion and vector-boson fusion in the $b\bar{b}\tau^+\tau^-$ final state in proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for the non-resonant production of Higgs boson pairs in the $HH\rightarrow b\bar{b}\tau^+\tau^-$ channel is performed using 140~fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of $13$~TeV recorded by the ATLAS detector at the CERN Large Hadron Collider. [...]
ATLAS-CONF-2023-071. - 2023. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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8401.
Search for low and high mass resonances with $\gamma\gamma$/$Z\gamma$ final states with the ATLAS detector / Pascual Dominguez, Luis (Tel Aviv University (IL))
Searches for new resonances decaying to two photons and a Z boson and a photon in the ATLAS experiment at the LHC are presented. [...]
ATL-PHYS-PROC-2023-092. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8402.
Comparison of two approaches to jet reconstruction in proton-lead collisions in ATLAS / Potepa, Patrycja Anna (AGH University of Krakow (PL))
Jets are commonly produced in heavy-ion collisions at the LHC energies. [...]
ATL-PHYS-PROC-2023-091. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8403.
Optimization of light-by-light triggers from 2022 pilot lead-lead run in ATLAS / Domijan, Karolina (AGH University of Krakow (PL))
Light-by-light scattering (LbyL, $\gamma \gamma \rightarrow \gamma \gamma$) is a very rare and interesting phenomenon, impossible to measure in standard hadronic lead-lead collisions. [...]
ATL-PHYS-PROC-2023-090. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8404.
Searching for anomalous H→ 𝒂𝒂 → 𝜸𝜸𝜸𝜸 decays with the ATLAS detector / Kramer, Peter (Johannes Gutenberg Universitaet Mainz (DE))
A dedicated search for anomalous Higgs boson decays into two axion-like-particles (ALPs) is presented, using the full Run-2 data-set recorded by the ATLAS experiment. [...]
ATL-PHYS-PROC-2023-089. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8405.
The ATLAS Inner Detector Trigger performance in pp collisions at 900 GeV and 13.6 TeV for LHC Run 3 operation during 2022
The modifications to the inner detector trigger for the ATLAS detector at the Large Hadron Collider for the Run 3 running period beginning 2022 are discussed. [...]
ATL-DAQ-PUB-2023-002. - 2023. - 37 p.
Original Communication (restricted to ATLAS) - Full text
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8406.
Overview of the ATLAS High-Granularity Timing Detector: project status and results / Missio, Marion (Nikhef National institute for subatomic physics (NL))
The increase of the particle flux (pile-up) at the HL-LHC with instantaneous luminosities up to L ≃ 7.5 × 1034 cm−2s−1 will have a severe impact on the ATLAS detector reconstruction and trigger performance. [...]
ATL-HGTD-PROC-2023-008. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8407.
Non-WIMP dark matter searches with the ATLAS detector / Kramer, Peter (Johannes Gutenberg Universitaet Mainz (DE))
Collider searches for dark matter (DM) so far have mostly focused on scenarios where DM particles are produced in association with heavy Standard Model (SM) particles or jets. [...]
ATL-PHYS-PROC-2023-094. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8408.
Analytic model for the Event Filter top-of-rack switch buffer occupancy in the HL-LHC ATLAS Data Acquisition system
In this document we derive the analytic formula that estimates the maximum buffer occupancy in the Event Filter top-of-rack switch when performing full Event Building in the ATLAS Data Acquisition system. [...]
ATL-DAQ-PUB-2023-003. - 2023. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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8409.
Physics Performance of the ATLAS GNN4ITk Track Reconstruction Chain / ATLAS Collaboration
Graph-based techniques and graph neural networks (GNNs) in particular are a promising solution for particle track reconstruction at the HL-LHC. [...]
ATL-SOFT-PROC-2023-047. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8410.
Standard Model Summary Plots October 2023
This note presents cross-section summary plots for ATLAS cross-section measurements as of October 2023. [...]
ATL-PHYS-PUB-2023-039. - 2023. - 25 p.
Original Communication (restricted to ATLAS) - Full text
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8411.
Top cross section summary plots - November 2023
Summary plots related to top-quark cross section measurements from ATLAS only and from ATLAS+CMS. [...]
ATL-PHYS-PUB-2023-038. - 2023. - 28 p.
Original Communication (restricted to ATLAS) - Full text
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8412.
Top EFT summary plots November 2023
This note presents figures that summarise the limits on effective field theory (EFT) operators derived from measurements of the ATLAS top working group and LHC Top working group (ATLAS+CMS). [...]
ATL-PHYS-PUB-2023-037. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8413.
Top quark mass and properties summary plots November 2023
This note presents plots summarising ATLAS results and combinations of top quark mass measurements and other top quark properties..
ATL-PHYS-PUB-2023-036. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8414.
Top Quarks + X Summary Plots November 2023
This note presents summary plots of cross-section measurements and searches performed by ATLAS and CMS in the Top Quarks + X sector as of November 2023..
ATL-PHYS-PUB-2023-035. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8415.
Measurement of Higgs boson production and properties / Arcangeletti, Chiara (INFN e Laboratori Nazionali di Frascati (IT))
With the ATLAS and CMS detectors at LHC, a proton-proton collision dataset collected at $\sqrt{s}$=13 TeV reached an integrated luminosity of about 140 fb$^{-1} $. [...]
ATL-PHYS-PROC-2023-093. - 2023. - 9 p.
Original Communication (restricted to ATLAS) - Full text
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8416.
ATLAS Run 3 charged particle track seed finding performance
The measurement of charged particle trajectories is essential to reconstruct hadron-hadron collisions at the LHC. [...]
ATL-PHYS-PUB-2023-034. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8417.
LUCID-3: the upgrade of the ATLAS Luminosity detector for High-Luminosity LHC / Giacobbe, Benedetto (Universita e INFN, Bologna (IT))
The ATLAS physics program at the High Luminosity LHC (HL-LHC) calls for a precision in the luminosity measurement of 1%. [...]
ATL-FWD-PROC-2023-005. - 2023. - 11 p.
Original Communication (restricted to ATLAS) - Full text
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8418.
ITk pixel module assembly and testing experience / Petrukhin, Alexey (Universitaet Siegen (DE))
The entire tracking system of the ATLAS experiment will be replaced during the LHC Phase II shutdown. [...]
ATL-ITK-PROC-2023-017. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8419.
Simulation and expected detector performance of fractionally charged particles in ATLAS
Searching for long-lived fractionally charged particles (FCPs) provides a novel opportunity in the exploration for new physics. [...]
ATL-SOFT-PUB-2023-002. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8420.
Probing initial state effects in nuclear collisions via jet and top-quark measurements with the ATLAS detector / Potepa, Patrycja Anna (AGH University of Krakow (PL))
Proton-lead collisions at the Large Hadron Collider energies offer a unique possibility to investigate initial state effects in nuclear collisions. [...]
ATL-PHYS-PROC-2023-100. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8421.
Observation of top-quark pair production in proton-lead collisions in ATLAS / Baron, Petr (Palacky University (CZ)) ; ATLAS Collaboration
Observation of top-quark pair production in proton-lead collisions in ATLAS Top-quarks and Higgs boson are the only elementary particles that have not been observed in heavy-ion collisions in the ATLAS detector yet. [...]
ATL-PHYS-PROC-2023-099. - 2023. - 12 p.
Original Communication (restricted to ATLAS) - Full text
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8422.
Luminosity determination for the measurement of the total proton-proton cross section and the $\rho$-parameter with the ATLAS experiment at the LHC / Sanzani, Elisa (Universita e INFN, Bologna (IT)) ; Giacobbe, Benedetto (Universita e INFN, Bologna (IT)) ; Valentinetti, Sara (Universita e INFN, Bologna (IT)) ; Sbrizzi, Antonio (Universita e INFN, Bologna (IT))
The ATLAS experiment has measured the total proton-proton cross section during the LHC Run1 at $\sqrt s=7$ and $8~$TeV and in Run2 at $\sqrt s=13~$TeV using a luminosity dependent approach. [...]
ATL-PHYS-PROC-2023-098. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8423.
ATLAS measurement of mean momentum fluctuations and correlations with the flow in Xe+Xe and Pb+Pb collisions / Bold, Tomasz (AGH University of Krakow (PL))
The thermal fluctuations in the QGP medium formed in heavy ion collisions present themselves as event-wise $[p_\mathrm{T}]$ fluctuations in the final state. [...]
ATL-PHYS-PROC-2023-097. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text
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8424.
Upgrade of ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Leone, Sandra (Universita & INFN Pisa (IT))
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2023-001. - 2023. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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8425.
Looking for QGP signatures in ultraperipheral PbPb collisions / Das, Sruthy Jyothi (University of Colorado Boulder (US))
Ultraperipheral collisions of relativistic heavy ion beams lead to a diverse set of photon-nucleus (photonuclear) interactions. [...]
ATL-PHYS-PROC-2023-096. - 2023.
Original Communication (restricted to ATLAS) - Full text
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8426.
Measurement of $t\bar{t}$ and single-top quark production in the ATLAS experiment / Faraj, Mohammed (Abdus Salam Int. Cent. Theor. Phys. (IT))
The most recent inclusive and differential cross-section results for the top quark pair and single-top quark production are presented in this proceeding. [...]
ATL-PHYS-PROC-2023-095. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8427.
Test Beam Results of SINTEF 3D Pixel Silicon Sensorsb / ATLAS Collaboration
This paper presents test beam results of SINTEF 3D pixel sensors designed for the Inner Tracker (ITk) of the ATLAS detector at the High Luminosity LHC (HL-LHC). [...]
ATL-ITK-PROC-2023-021. - 2023. - 10 p.
Original Communication (restricted to ATLAS) - Full text
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8428.
Design and construction of the ATLAS High-Granularity Timing Detector / Terzo, Stefano (The Barcelona Institute of Science and Technology (BIST) (ES)) ; ATLAS Collaboration
The increase of the particle flux (pile-up) at the HL-LHC with instantaneous luminosities up to $\mathrm{L\sim}$ \SI{7.5e34}{\neqcm{}} will have a severe impact on the ATLAS detector reconstruction and trigger performance. [...]
ATL-HGTD-PROC-2023-009. - 2023. - 7 p.
Original Communication (restricted to ATLAS) - Full text
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8429.
Higgs boson couplings at ATLAS / Fiorini, Luca (Univ. of Valencia and CSIC (ES))
The discovery of a Higgs boson with a mass of about 125 GeV by the ATLAS and CMS collaborations at the LHC has given access to a new fundamental sector of the Standard Model. [...]
ATL-PHYS-PROC-2023-101. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8430.
Towards the construction of the ATLAS ITk Strip Endcap detector for the High-Luminosity LHC / Franconi, Laura (Deutsches Elektronen-Synchrotron (DE))
To sustain the seven-fold increase in instantaneous luminosity of the High-Luminosity phase of the LHC, the ATLAS experiment will replace its current Inner Detector with a new all-silicon tracker detector. [...]
ATL-ITK-PROC-2023-020. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text
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8431.
Gamma irradiation of ATLAS18 ITk strip sensors affected by static charge / ATLAS Collaboration
Construction of the new all-silicon Inner Tracker (ITk), developed by the ATLAS collaboration to be able to track charged particles produced at the High-Luminosity LHC, started in 2021 and is expected to continue until 2028. [...]
ATL-ITK-PROC-2023-019. - 2023. - 8 p.
Original Communication (restricted to ATLAS) - Full text
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8432.
The ATLAS ITk Pixel Detector. The biggest challenges from design to construction. / Nechaeva, Serafima (Universita e INFN, Bologna (IT))
As a part of the ATLAS Phase-II upgrade, the current Inner Detector of the experiment will be replaced with a new all-silicon Inner Tracker (ITk) designed to face the challenging environment associated with the high number of collisions per bunch crossing expected during the High-Luminosity phase of the Large Hadron Collider. [...]
ATL-ITK-PROC-2023-018. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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8433.
A full-function Global Common Module prototype for ATLAS Phase-II upgrade / Qian, Weiming (Science and Technology Facilities Council STFC (GB))
The High Luminosity Large Hadron Collider (HL-LHC[1]), an upgrade of the LHC, is set to become operational in 2029, aiming to achieve instantaneous luminosities 5-7.5 times larger than the nominal value of the LHC. [...]
ATL-DAQ-PROC-2023-015. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text
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