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CERN Document Server 966 records found  1 - 10nextend  jump to record: Search took 0.61 seconds. 
1.
Performance of the ATLAS Level-1 topological trigger in Run 2 / ATLAS Collaboration
During LHC Run 2 (2015-2018) the ATLAS Level-1 topological trigger allowed efficient data-taking by the ATLAS experiment at luminosities up to 2.1x10$^{34}$ cm$^{-2}$s$^{-1}$, which exceeds the design value by a factor of two. The system was installed in 2016 and operated in 2017 and 2018. [...]
arXiv:2105.01416; CERN-EP-2021-040.- Geneva : CERN, 2022-01-05 - 26 p. - Published in : Eur. Phys. J. C 82 (2022) 7 Fulltext: 2105.01416 - PDF; Publication - PDF; External link: Previous draft version
2.
Emulating the impact of additional proton–proton interactions in the ATLAS simulation by presampling sets of inelastic Monte Carlo events / ATLAS Collaboration
The accurate simulation of additional interactions at the ATLAS experiment for the analysis of proton-proton collisions delivered by the Large Hadron Collider presents a significant challenge to the computing resources. During the LHC Run 2 (2015-2018) there were up to 70 inelastic interactions per bunch crossing, which need to be accounted for in Monte Carlo (MC) production. [...]
arXiv:2102.09495; CERN-EP-2021-007.- Geneva : CERN, 2022-01-27 - 46 p. - Published in : Comput. Softw. Big Sci. 6 (2022) 3 Fulltext: 2102.09495 - PDF; Publication - PDF; External link: Previous draft version
3.
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 / ATLAS Collaboration
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). This search considers the pair production of top squarks and is sensitive across a wide range of mass differences between the top squark and the lightest neutralino. [...]
arXiv:2102.01444; CERN-EP-2020-243.- Geneva : CERN, 2021-04-16 - 62 p. - Published in : JHEP 2104 (2021) 165 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
4.
Search for new phenomena in final states with $b$-jets and missing transverse momentum in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
The results of a search for new phenomena in final states with $b$-jets and missing transverse momentum using 139 fb$^{-1}$ of proton-proton data collected at a centre-of-mass energy $\sqrt{s} = 13$ TeV by the ATLAS detector at the LHC are reported. The analysis targets final states produced by the decay of a pair-produced supersymmetric bottom squark into a bottom quark and a stable neutralino. [...]
arXiv:2101.12527; CERN-EP-2021-001.- Geneva : CERN, 2021-05-12 - 51 p. - Published in : JHEP 2105 (2021) 093 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
5.
Search for doubly and singly charged Higgs bosons decaying into vector bosons in multi-lepton final states with the ATLAS detector using proton-proton collisions at $\sqrt{s} = 13$ TeV / ATLAS Collaboration
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. A data sample of proton-proton collisions at a centre-of-mass energy of 13 TeV recorded with the ATLAS detector at the Large Hadron Collider between 2015 and 2018 is used. [...]
arXiv:2101.11961; CERN-EP-2020-240.- Geneva : CERN, 2021-06-24 - 51 p. - Published in : JHEP 2106 (2021) 146 Fulltext: 2101.11961 - PDF; document - PDF; External link: Previous draft version
6.
Determination of the parton distribution functions of the proton from ATLAS measurements of differential $W^\pm$ and $Z$ boson production in association with jets / ATLAS Collaboration
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. The new data sets considered are the measurements of $W^+$ and $W^-$ boson and $Z$ boson production in association with jets in $pp$ collisions at $\sqrt{s} = 8~\mathrm{TeV}$ performed by the ATLAS experiment at the LHC with integrated luminosities of $20.2~\mathrm{fb}^{-1}$ and $19.9~\mathrm{fb}^{-1}$, respectively. [...]
arXiv:2101.05095; CERN-EP-2020-237.- Geneva : CERN, 2021-07-29 - 41 p. - Published in : JHEP 2107 (2021) 223 Fulltext: document - PDF; 2101.05095 - PDF; External link: Previous draft version
7.
Search for squarks and gluinos in final states with one isolated lepton, jets, and missing transverse momentum at $\sqrt{s}=13$  with the ATLAS detector / ATLAS Collaboration
The results of a search for gluino and squark pair production with the pairs decaying via the lightest charginos into a final state consisting of two $W$ bosons, the lightest neutralinos ($\tilde{\chi^0_1}$), and quarks, are presented. The signal is characterised by the presence of a single charged lepton ($e^{\pm}$ or $\mu^{\pm}$) from a $W$ boson decay, jets, and missing transverse momentum. [...]
arXiv:2101.01629; CERN-EP-2020-228.- Geneva : CERN, 2021-10-29 - 33 p. - Published in : Eur. Phys. J. C Fulltext: 2101.01629 - PDF; document - PDF; Publication - PDF; Erratum - PDF; External link: Previous draft version
8.
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 / ATLAS Collaboration
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. Signal regions are employed to search for two-, three-, and four-body decays of the directly pair-produced supersymmetric partner of the top quark (stop). [...]
arXiv:2012.03799; CERN-EP-2020-177.- Geneva : CERN, 2021-04-19 - 66 p. - Published in : JHEP 2104 (2021) 174 Article from SCOAP3: PDF; Fulltext: PDF; External link: Previous draft version
9.
Search for dark matter produced in association with a single top quark in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
This paper presents a search for dark matter in the context of a two-Higgs-doublet model together with an additional pseudoscalar mediator, $a$, which decays into the dark-matter particles. Processes where the pseudoscalar mediator is produced in association with a single top quark in the 2HDM+$a$ model are explored for the first time at the LHC. [...]
arXiv:2011.09308; CERN-EP-2020-184.- Geneva : CERN, 2021-10-01 - 53 p. - Published in : Eur. Phys. J. C 81 (2021) 860 Fulltext: 2011.09308 - PDF; document - PDF; Fulltext from publisher: PDF; External link: Previous draft version
10.
Search for displaced leptons in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search for charged leptons with large impact parameters using 139 fb$^{-1}$ of $\sqrt{s} = 13$ TeV $pp$ collision data from the ATLAS detector at the LHC is presented, addressing a long-standing gap in coverage of possible new physics signatures. Results are consistent with the background prediction. [...]
arXiv:2011.07812; CERN-EP-2020-205.- Geneva : CERN, 2021-07-27 - 21 p. - Published in : Phys. Rev. Lett. Fulltext: PDF; External link: Previous draft version

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19 Allport, Phil
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