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Arthur's Publications
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1.
The ATLAS trigger - high-level trigger commissioning and operation during early data taking / Goncalo, R ; Abolins, M ; Achenbach, R ; Adragna, P ; Aielli, G ; Aleksandrov, E ; Aleksandrov, I ; Aloisio, A ; Alviggi, M G ; Amorim, A et al.
The ATLAS experiment is one of the two general-purpose experiments due to start operation soon at the Large Hadron Collider (LHC). The LHC will collide protons at a centre of mass energy of 14~TeV, with a bunch-crossing rate of 40~MHz. [...]
ATL-DAQ-CONF-2007-032; ATL-COM-DAQ-2007-039.- Geneva : CERN, 2008 - 8 p. - Published in : J. Phys.: Conf. Ser. 110 (2008) 092013 Access to fulltext: PDF;
In : International Europhysics Conference on High Energy Physics, Manchester, UK, 19 - 25 Jul 2007, pp.092013
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2.
The ATLAS Trigger : Commissioning with cosmic rays / Abolins, M ; Achenbach, R ; Adragna, P ; Aielli, G ; Aleksandrov, E ; Aleksandrov, I ; Aloisio, A ; Alviggi, M G ; Amorim, A ; Anderson, K et al.
The ATLAS detector at CERN's LHC will be exposed to proton-proton collisions from beams crossing at 40 MHz. [...]
ATL-DAQ-CONF-2007-024 ; ATL-COM-DAQ-2007-029. - 2008. - 12 p.
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3.
Simulations of minimum bias events and the underlying event, MC tuning and predictions for the LHC / Buttar, C M ; Clements, D ; Dawson, I ; Moraes, A
Minimum bias and underlying event data from the SppmacronS and the Tevatron have been compared to PYTHIA and PHOJET simulations. The data have been used to tune the PYTHIA multiparton model and good agreement is found. [...]
2004 - Published in : Acta Phys. Pol. B 35 (2004) 433-41
In : 33rd International Symposium On Multiparticle Dynamics, Krakow, Poland, 5 - 11 Sep 2003, pp.433-41
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4.
Tevatron-for-LHC Report of the QCD Working Group / Albrow, Michael G. (Fermilab) ; Begel, M. (U. Rochester) ; Bourilkov, D. (Florida U.) ; Campanelli, M. (Geneva U.) ; Chlebana, F. (Fermilab) ; De Roeck, A. (CERN) ; Dittmann, J.R. (Baylor U.) ; Ellis, S.D. (Washington U., Seattle) ; Field, B. (Florida State U.) ; Field, R. (Florida U.) et al.
The experiments at Run 2 of the Tevatron have each accumulated over 1 inverse femtobarn of high-transverse momentum data. [...]
hep-ph/0610012 ; FERMILAB-CONF-06-359 ; Fermilab-Conf-2006-359. - 2006. - 156 p.
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5.
Les Houches Physics at TeV Colliders 2005, Standard Model and Higgs working group: Summary report / Buttar, C ; Dittmaier, S ; Drollinger, V ; Frixione, Stefano (INFN, Genoa) ; Nikitenko, A ; Abdullin, S W S ; Accomando, E ; Acosta, D ; Arbuzov, A ; Ball, R D et al.
This Report summarises the activities of the "SM and Higgs" working group for the Workshop "Physics at TeV Colliders", Les Houches, France, 2-20 May, 2005. On the one hand, we performed a variety of experimental and theoretical studies on standard candles (such as W, Z, and ttbar production), treating them either as proper signals of known physics, or as backgrounds to unknown physics; we also addressed issues relevant to those non-perturbative or semi-perturbative ingredients, such as Parton Density Functions and Underlying Events, whose understanding will be crucial for a proper simulation of the actual events taking place in the detectors. [...]
hep-ph/0604120.- 2005 - 234 p. Access to fulltext document: PDF; External link: hep-ph/0604120 PDF
In : 4th Workshop on Physics at TeV Colliders, Les Houches, France, 2 - 20 May 2005, pp.1-2
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6.
The underlying event / Buttar, C M ; Butterworth, J M ; Field, R D ; Gustafson, G ; Hoeche, S ; Krauss, F ; Moraes, A ; Seymour, Michael H ; Schälicke, A ; Sjöstrand, T et al.
CERN, 2005 Published version from CERN: PDF;
In : HERA and the LHC : A Workshop on the Implications of HERA for LHC Physics, CERN, Geneva, Switzerland, 26 Mar 2004 - 24 Mar 2005, pp.192 (CERN-2005-014)
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7.
Preparing for measurements of dijet azimuthal decorrelations at ATLAS / Moraes, A ; Buttar, C ; Clements, D ; Skillicorn, I O
Dijet azimuthal decorrelations are investigated in this report. [...]
ATL-PHYS-PUB-2006-013 ; ATL-COM-PHYS-2005-077. - 2005. - 13 p.
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8.
Beam tests of ATLAS SCT silicon strip detector modules / Campabadal, F ; Fleta, C ; Key, M ; Lozano, M ; Martínez, C ; Pellegrini, G ; Rafí, J M ; Ullán, M ; Johansen, L ; Pommeresche, B et al.
The design and technology of the silicon strip detector modules for the Semiconductor Tracker (SCT) of the ATLAS experiment have been finalised in the last several years. Integral to this process has been the measurement and verification of the tracking performance of the different module types in test beams at the CERN SPS and the KEK PS. [...]
2005 - Published in : Nucl. Instrum. Methods Phys. Res., A 538 (2005) 384-407
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9.
Prediction for minimum bias and the underlying event at LHC energies / Moraes, A ; Buttar, C ; Dawson, I
In this report we investigate the models employed by PYTHIA and PHOJET Monte Carlo event generators used to describe soft interactions in hadron-hadron collisions. The prime aim of this study is to predict minimum bias and underlying event levels of particle production and event activity for the LHC as accurately as these models allow us, thus providing a good description of the event environment in simulations. [...]
SN-ATLAS-2006-057.- Geneva : CERN, 2007 - 35 p. - Published in : Eur. Phys. J. C 50 (2007) 435-466 Access to fulltext document: PDF;
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10.
Measuring the underlying event at ATLAS / Moraes, A ; Buttar, C ; Clements, D
In this report we investigate measurements of the underlying event in jet events at ATLAS. [...]
ATL-PHYS-PUB-2005-015 ; CERN-ATL-PHYS-PUB-2005-015 ; ATL-COM-PHYS-2005-035. - 2005. - 11 p.
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11.
Prediction for Minimum Bias and the Underlying Event at LHC Energies 010 / Moraes, A ; Buttar, C ; Dawson, I
In this report we investigate the models employed by PYTHIA and PHOJET Monte Carlo event generators used to describe soft interactions in hadron-hadron collisions. [...]
ATL-PHYS-PUB-2005-007 ; ATL-COM-PHYS-2005-010. - 2005. - 46 p.
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12.
Minimum bias and the underlying event: towards the LHC / Dawson, I ; Buttar, C ; Moraes, A
2004 - Published in : Czechoslov. J. Phys. 54 (2004) A221-A228
In : Advanced Studies Institute on Physics at LHC, Prague, Czech Republic, 6 - 12 Jul 2003, pp.A221-A228
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13.
Radioactivation of silicon tracker modules in high-luminosity hadron collider radiation environments / Dawson, I ; Moraes, A ; Buttar, C ; Cindro, V ; Mandic, I
One of the consequences of operating detector systems in harsh radiation environments will be radioactivation of the components. This will certainly be true in experiments such as ATLAS and CMS, which are currently being built to exploit the physics potential at CERN's Large Hadron Collider. [...]
2003 - Published in : Nucl. Instrum. Methods Phys. Res., A 515 (2003) 422-438
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14.
A Step Towards A Computing Grid For The LHC Experiments : ATLAS Data Challenge 1 / ATLAS Collaboration
The ATLAS Collaboration at CERN is preparing for the data taking and analysis at the LHC that will start in 2007. [...]
CERN-PH-EP-2004-028. - 2004. - 24 p.
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15.
Predicting the radiation environment at high-luminosity hadron-collider experiments / Dawson, I ; Buttar, C M ; Mokhov, N V ; Moraes, A ; Shupe, M A
The physics requirements of future hadron-collider experiments require very high collision rates, leading to harsh radiation environments never before confronted in large-scale high-energy physics experiments. The high levels of radiation backgrounds becomes a major design criterion for such experiments. [...]
2003 - Published in : Nucl. Instrum. Methods Phys. Res., A 510 (2003) 219-232
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16.
Les Houches 'Physics at Tev Colliders 2003' QCD/SM Working Group : Summary Report / Dobbs, M. (LBL, Berkeley) ; Frixione, S. (INFN, Genoa) ; Laenen, Eric (NIKHEF, Amsterdam) ; De Roeck, A. (CERN) ; Tollefson, K. (Michigan State U.) ; Andersen, J.R. ; Balazs, C. ; Banfi, A. ; Berge, S. ; Bernreuther, W. et al.
This report documents the results obtained by the Working Group on Quantum Chromodynamics and the Standard Model for the Workshop `Physics at TeV Colliders'', Les Houches, France, 26 May - 6 June 2003. After a Monte Guide description, the first contributions report on progress in describing multiple interactions, important for the LHC, and underlying events. [...]
hep-ph/0403100; FERMILAB-CONF-04-139-T.- 2004 - 51 p. - Published in : , pp. 291-409 Access to fulltext document: PDF; Fulltext: PDF; External link: Fermilab Library Server (fulltext available)
In : 3rd Les Houches Workshop: Physics at TeV Colliders, Les Houches, France, 26 May - 6 Jun 2003, pp.291-409
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17.
Estimating induced-activation of SCT barrel-modules in the ATLAS radiation environment. / Buttar, C M ; Cindro, V ; Dawson, I ; Mandic, I ; Moraes, A
One of the consequences of operating detector systems in the harsh radiation environments of the ATLAS inner-detector will be radioactivation of the components. [...]
ATL-INDET-2002-013. - 2002. - 9 p.
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18.
Estimating induced-activation of SCT barrel-modules / Buttar, C M ; Dawson, I ; Moraes, A
Geneva : CERN, 2001 Published version from CERN: PDF;
In : 7th Workshop on Electronics for LHC Experiments, Stockholm, Sweden, 10 - 14 Sep 2001, pp.412-417 (CERN-2001-005)
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19.
QCD at ATLAS / Moraes, A M /ATLAS Collaboration
A brief overview of QCD studies at ATLAS is presented. The following QCD measurements are discussed: minimum bias, jets, parton luminosity and pdf, direct photon production, measurement of the strong coupling constant at large scales and multi-parton interactions..
ATL-SLIDE-2008-029; CERN-ATL-SLIDE-2008-029.- Geneva : CERN, 2008 Access to fulltext: PDF;
In : Quark and Hadrons in Strong QCD, St. Goar, Germany, 17 - 20 Mar 2008
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20.
Parton distributions at 14 TeV with ATLAS / Moraes, A M (Sheffield U.)
Accurate measurements at ATLAS will allow perturbative QCD to be tested in an energy regime never probed. Operating at the expected level of precision, ATLAS will measure SM cross sections and QCD related processes at the LHC which will further constrain the parton densities distributions. [...]
ATL-SLIDE-2003-005.- Geneva : CERN, 2004 - 11 p. Transparencies from talks on ATLAS - Published in : Nucl. Phys. B, Proc. Suppl. 133 (2004) 63-68 Access to fulltext: PDF PPT;
In : 10th High-Energy Physics International Conference on Quantum ChromoDynamics, Montpellier, France, 2 - 9 Jul 2003, pp.63-68
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21.
QCD at LHC with ATLAS / Moraes, A M
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-SLIDE-2003-004. - 2003. - 12 p.
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22.
Electroweak physics at the LHC with ATLAS / Moraes, A M
The ATLAS experiment at the LHC has vast potential for electroweak measurements and the 14 TeV center-of-mass energy will in addition allow new regimes of electroweak phenomena to be explored. [...]
ATL-SLIDE-2003-003. - 2003. - 12 p.
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23. SUSY searches at the LHC / Moraes, A M
SUSY is a strong candidate for physics beyond the SM. If SUSY is realized at the TeV scale, ATLAS and CMS are likely to detect its signal. [...]
ATL-COM-SLIDE-2006-003.- Geneva : CERN, 2006 - 26 p.
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24.
The Effect Of Multiple Interaction Models On The Efficiency Of Vetoes In The VBF Higgs Channel / Clements, D ; Buttar, C ; Moraes, A
The efficiencies of vetoes used in the VBF Higgs channel (M(H)=160GeV) were evaluated for events generated using three different multiple interaction models (utilising PYTHIA version 6.221 and ATLFAST 8.0.5). The efficiency of two vetoes: the lepton-acceptance cut and the central jet veto (CJV) showed a dependence on the multiple interaction model used. [...]
ATL-PHYS-INT-2006-004; ATL-COM-PHYS-2005-037.- Geneva : CERN, 2005 Access to fulltext: PDF;
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25.
The ATLAS Experiment and Diffractive Physics / Moraes, A (University of Glasgow)
This talk presents a brief review of a few diffractive physics studies to be done with ATLAS. It describes the main features of the forward detectors and gives examples of some measurements planned for diffractive topologies..
ATL-PHYS-SLIDE-2009-292.- Geneva : CERN, 2009 - 28 p. Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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26. Track-based underlying event measurements in pp collisions at sqrt{s} = 900 GeV and 7 TeV with the ATLAS Detector at the LHC / Buckley, A; Chekanov, S; Hare, G; Kar, D; Moraes, A; Nielsen, J; Proudfoot, J; Straessner, A; Yoshida, R; Wahrmund, S et al.
The first underlying event measurements with the ATLAS detector at the LHC are presented. Data were collected using a minimum-bias trigger in December 2009 and March 2010 during proton-proton collisions at center of mass energies of 900 GeV and 7 TeV respectively. [...]
ATLAS-COM-CONF-2010-029.- Geneva : CERN, 2010
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27. Track-based underlying event measurements in pp collisions at sqrt{s} = 7 TeV with the ATLAS Detector at the LHC / Buckley, A; Chekanov, S; Hare, G; Kar, D; Moraes, A; Nielsen, J; Proudfoot, J; Straessner, A; Yoshida, R; Wahrmund, S et al.
The underlying event measurements with the ATLAS detector at the LHC at the center of mass energy of 7 TeV are presented. Data were collected using a minimum-bias trigger on 30th March 2010. [...]
ATL-COM-PHYS-2010-237.- Geneva : CERN, 2010
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28. Track-based underlying event measurements in pp collisions at sqrt{s} = 900 GeV with the ATLAS Detector at the LHC / Buckley, A; Chekanov, S; Hare, G; Kar, D; Moraes, A; Nielsen, J; Proudfoot, J; Straessner, A; Yoshida, R; Wahrmund, S et al.
The first underlying event measurements with the ATLAS detector at the LHC are presented. Data were collected using a minimum-bias trigger in December 2009 during proton-proton collisions at a center of mass energy of 900 GeV. [...]
ATL-COM-PHYS-2010-175.- Geneva : CERN, 2010
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29. Using bin-by-bin corrections for track-based underlying event measurements in pp collisions at 900 GeV / Buckley, A; Chekanov, S; Hare, G; Kar, D; Moraes, A; Nielsen, J; Proudfoot, J; Yoshida, R; Wahrmund, S
Measurements of charged particle densities using minimum-bias events from proton-proton collisions at a center of mass energy of 900 GeV are presented. The densities and the average transverse momenta of charged particles are shown as a function of the transverse momenta of a leading in pT charged particle, concentrating on phase-space regions which are most sensitive to the underlying event. [...]
ATL-COM-PHYS-2010-165.- Geneva : CERN, 2010 - 17 p.
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30. Track-based underlying event measurements in pp collisions at sqrt{s} = 900 GeV with the ATLAS Detector at the LHC / Buckley, A; Chekanov, S; Hare, G; Kar, D; Moraes, A; Nielsen, J; Proudfoot, J; Straessner, A; Yoshida, R; Wahrmund, S et al.
The first underlying event measurements with the ATLAS detector at the LHC are presented. Data were collected using a minimum-bias trigger in December 2009 during proton-proton collisions at a center of mass energy of 900 GeV. [...]
ATL-COM-PHYS-2010-164.- Geneva : CERN, 2010
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31. Monte Carlo used for Minimum Bias Analysis at 900 GeV / Campanelli, M (University College London); Kama, S (Deutsches Elektronen Synchrotron (DESY)); Katzy, J (Deutsches Elektronen Synchrotron (DESY)); Kepka, O (Acad. of Sciences of the Czech Rep. (ASCR)); Mijovic, L (Jozef Stefan Institute); Monk, J W (University College London); Moraes, A (University of Glasgow); Newman, P (University of Birmingham); Steinberg, P A (Brookhaven National Laboratory (BNL)); Warsinsky, M (Universitaet Freiburg)
This note describes the MC studies specifically done for the analysis of minimum bias events taken at 900 GeV. Predictions of minimum bias distributions at 900 GeV from different PYTHIA tunes are presented. [...]
ATL-COM-PHYS-2010-040.- Geneva : CERN, 2010
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32. ATLAS Monte Carlo tunes for MC09 / Buckley, A; Katzy, J; Kersevan, B; Mijovic, L; Moraes, A; Schulz, H; Warsinsky, M
This note describes the ATLAS tunes of underlying event and minimum bias description for the main Monte Carlo generators used in the MC09 production. For the main shower generators, pythia and herwig (with jimmy), the MRST LO* parton distribution functions (PDFs) were used for the first time in ATLAS. [...]
ATL-COM-PHYS-2010-033.- Geneva : CERN, 2010
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33. ATLAS Monte Carlo Tunes for MC09 / Buckley, A; Katzy, J; Kersevan, B; Mijovic, L; Moraes, A; Schulz, H; Warsinsky, M
This note describes the ATLAS tune for the underlying event description and minimum bias events for the main Monte Carlo generators used in the MC09 production. For the main shower generators, PYT HI A and HERWIG, the MRST LO* parton density functions (pdfs) were used for the first time in ATLAS. [...]
ATL-COM-PHYS-2009-652.- Geneva : CERN, 2009 - 61 p.
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34. ATLAS Monte Carlo Tunes for MC09 / Buckley, A; Katzy, J M; Kersesan, B P; Mijovic, L; Moraes, A; Schulz, H; Warsinsky, W
This note describes the ATLAS tune for the underlying event description and min.bias events for the main Monte Carlo generators us ed in the MC09 production. For the main shower generators, Pythia~cite{pythia6} and Herwigcite{herwig},the MRST LO* parton densi ty functions (pdfs) were used for the first time in ATLAS. [...]
ATL-COM-PHYS-2009-631.- Geneva : CERN, 2009 - 61 p.
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35. The ATLAS Experiment and Diffractive Physics / Moraes, A (University of Glasgow)
This talk presents a brief review of a few diffractive physics studies to be done with ATLAS. It describes the main features of the forward detectors and gives examples of some measurements planned for diffractive topologies..
ATL-COM-PHYS-2009-516.- Geneva : CERN, 2009 - 28 p.
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36.
Charged-particle multiplicities in $pp$ interactions at $\sqrt{s}$ = 900 GeV measured with the ATLAS detector at the LHC / ATLAS Collaboration
The first measurements from proton-proton collisions recorded with the ATLAS detector at the LHC are presented. Data were collected in December 2009 using a minimum-bias trigger during collisions at a centre-of-mass energy of 900 GeV. [...]
arXiv:1003.3124; CERN-PH-EP-2010-004; CERN-PH-EP-2010-004.- Geneva : CERN, 2010 - 40 p. - Published in : Phys. Lett. B 688 (2010) 21-42 Elsevier Open Access article: PDF; Fulltext: PDF; External links: all figures including auxiliary figures; Rivet analyses reference; Rivet analyses reference
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37.
Readiness of the ATLAS Liquid Argon Calorimeter for LHC Collisions / ATLAS Collaboration
The ATLAS liquid argon calorimeter has been operating continuously since August 2006. At this time, only part of the calorimeter was readout, but since the beginning of 2008, all calorimeter cells have been connected to the ATLAS readout system in preparation for LHC collisions. [...]
arXiv:0912.2642; CERN-PH-EP-2010-041.- Geneva : CERN, 2010 - 31 p. - Published in : Eur. Phys. J. C 70 (2010) 723-753 Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint
In : The performance of ATLAS detector, pp.1-32
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