CERN Accelerating science

ATLAS Preprints

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2017-09-13
18:05
Direct top-quark decay width measurement in the $t\bar{t}$ lepton+jets channel at $\sqrt{s}=8 \rm{TeV}$ with the ATLAS experiment / ATLAS Collaboration
This paper presents a direct measurement of the decay width of the top quark using $t\bar{t}$ events in the lepton+jets final state. [...]
CERN-EP-2017-187 ; arXiv:1709.04207.
- 2017. - 44 p, 44 p.
Fulltext - Previous draft version - Preprint

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2017-09-12
10:29
Search for supersymmetry in events with $b$-tagged jets and missing transverse momentum in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for the supersymmetric partners of the Standard Model bottom and top quarks is presented. [...]
CERN-EP-2017-154.
- 2017.
Fulltext - Previous draft version

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2017-09-12
09:37
Search for a scalar partner of the top quark in the jets plus missing transverse momentum final state at $\sqrt{s}$=13 TeV with the ATLAS detector
A search for pair production of a scalar partner of the top quark in events with four or more jets plus missing transverse momentum is presented. [...]
CERN-EP-2017-162.
- 2017.
Fulltext - Previous draft version

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2017-09-12
09:01
Characterization of Novel Thin N-in-P Planar Pixel Modules for the ATLAS Inner Tracker Upgrade / Beyer, Julien-Christopher (Munich, Max Planck Inst.) ; La Rosa, Alessandro (Munich, Max Planck Inst.) ; Macchiolo, Anna (Munich, Max Planck Inst.) ; Nisius, Richard (Munich, Max Planck Inst.) ; Savic, Natascha (Munich, Max Planck Inst.)
The ATLAS experiment will undergo a major upgrade of the tracker system in view of the high luminosity phase of the LHC (HL-LHC) to start operation in 2026. [...]
arXiv:1612.01281.
- 5 p.
Preprint

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2017-09-11
15:58
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 paper 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. [...]
CERN-EP-2017-172.
- 2017.
Fulltext - Previous draft version

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2017-09-11
14:56
Measurement of quarkonium production in proton--lead and proton--proton collisions at $5.02$ $\mathrm{TeV}$ with the ATLAS detector
The modification of the production of $J/\psi$, $\psi(\mathrm{2S})$, and $\mit{\Upsilon}(n\mathrm{S})$ ($n = 1, 2, 3$) in $p$+Pb collisions with respect to their production in $pp$ collisions has been studied. [...]
CERN-EP-2017-197.
- 2017.
Fulltext - Previous draft version

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2017-09-11
11:01
Searches for new physics in lepton+jet final states in ATLAS and CMS / Romeo, Francesco (Beijing, Inst. High Energy Phys.) /ATLAS and CMS Collaborations
The most recent results on searches in lepton plus jet final states motivated bydifferent models beyond the standard model are presented, using pp collision datacollected by the ATLAS and CMS detectors during Run I and Run II at theCERN LHC. Leptoquarks and heavy Majorana neutrinos that arise in theleft-right model are looked for in the final states with two leptons and two jets( ll + jj, l = e, mu, tau ). [...]
CMS-CR-2017-210.- Geneva : CERN, 2017 - 7 p. Fulltext: PDF;
In : 5th Conference on Large Hadron Collider Physics 2017, Shanghai, China, 15 - 20 May 2017

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2017-09-11
11:00
ELECTROWEAK MEASUREMENTS AT THE LHC / Savin, Alexander (Wisconsin U., Madison) /ATLAS and CMS Collaborations
A set of selected electroweak measurements from the LHC experiments is discussed. Results on forward-backward asymmetry in production of the Drell-Yan events in both dielectron and dimuon decay channels are presented together with results on the effective mixing angle measurements. Angular coefficients measured in the Z boson production are compared with theoretical predictions. [...]
CMS-CR-2017-209.- Geneva : CERN, 2017 - 9 p. Fulltext: PDF;
In : 5th Conference on Large Hadron Collider Physics 2017, Shanghai, China, 15 - 20 May 2017

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2017-09-11
11:00
Single top t-channel / Faltermann, Nils (KIT, Karlsruhe, EKP) /ATLAS ,CMS and Top Collaborations
The production of single top quarks allows to study the interplay of top quark physics and the electroweak sector of the standard model. Deviations from predictions can be a hint for physics beyond the standard model. [...]
CMS-CR-2017-207.- Geneva : CERN, 2017 - 7 p. Fulltext: PDF;
In : 5th Conference on Large Hadron Collider Physics 2017, Shanghai, China, 15 - 20 May 2017

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2017-09-11
11:00
Overview of SM and Higgs results at ATLAS and CMS / Massironi, Andrea (Northeastern U.) /ATLAS and CMS Collaborations
Recent results on Standard Model and Higgs boson measurements performed by ATLAS and CMS collaborations are reported. The presentation includes results based on LHC Run II data, with particular relevance on most recent ones. [...]
CMS-CR-2017-199.- Geneva : CERN, 2017 - 8 p. Fulltext: PDF;
In : Flavor Physics & CP Violation 2017, Prague, Czech Republic, 5 - 9 Jun 2017

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