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# ATLAS Preprints

2021-06-17
16:39
 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 / ATLAS Collaboration 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. [...] arXiv:2106.09609 ; CERN-EP-2021-066. - 2021. - 55 p. Fulltext - Previous draft version - Fulltext

2021-06-17
09:32
 Measurements of sensor radiation damage in the ATLAS inner detector using leakage currents / ATLAS Collaboration Non-ionizing energy loss causes bulk damage to the silicon sensors of the ATLAS pixel and strip detectors. [...] arXiv:2106.09287 ; CERN-EP-2021-055. - 2021. - 47 p. Fulltext - Previous draft version - Fulltext

2021-06-07
13:56
 Configuration and performance of the ATLAS $b$-jet triggers in Run 2 / ATLAS Collaboration Several improvements to the ATLAS triggers used to identify jets containing $b$-hadrons ($b$-jets) were implemented for data-taking during Run 2 of the Large Hadron Collider from 2016 to 2018. [...] arXiv:2106.03584 ; CERN-EP-2021-032. - 2021. - 61 p. Fulltext - Previous draft version - Fulltext

2021-06-07
08:58
 Search for chargino-neutralino pair production in final states with three leptons and missing transverse momentum in $\sqrt{s} = 13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration A search for chargino-neutralino pair production in three-lepton final states with missing transverse momentum is presented. [...] arXiv:2106.01676 ; CERN-EP-2021-059. - 2021. - 104 p. Fulltext - Previous draft version

2021-06-02
06:16
 First Steps in Automated Software Development Approach for LHC Phase II Upgrades CO₂ Detector Cooling Systems / Zwalinski, Lukasz (CERN) ; Daguin, Jerome (CERN) ; Davoine, Loic (CERN) ; Frank, Norbert (CERN) ; Giakoumi, Dina (CERN) ; Ostrega, Maciej (CERN) ; Petagna, Paolo (CERN) ; Tropea, Paola (CERN) ; Verlaat, Bart (CERN) With refrigerating power of the order of 1.5 kW at -35 °C and full compatibility with Detector Control System standards, Light Use Cooling Appliance for Surface Zones (LUCASZ) is the first movable medium size evaporative CO₂ detector cooling system. [...] 2019. - 4 p.

2021-06-02
06:16
 Status of the Process Control Systems Upgrade for the Cryogenic Installations of the LHC Based ATLAS and CMS Detectors / Fluder, Czeslaw (CERN) ; Mastyna, Krzysztof (AGH-UST, Cracow) ; Peksa, Pawel (AGH-UST, Cracow) ; Pezzetti, Marco (CERN) ; Tovar González, Antonio (CERN) ; Wolak, Tomasz (AGH-UST, Cracow) The ATLAS and CMS cryogenic control systems have been operational for more than a decade. [...] 2019. - 5 p.

2021-06-02
04:34
 The large inner Micromegas modules for the Atlas Muon Spectrometer Upgrade: construction, quality control and characterization / Allard, J. (IRFU, Saclay) ; Anfreville, M. (IRFU, Saclay) ; Andari, N. (IRFU, Saclay) ; Attié, D. (IRFU, Saclay) ; Aune, S. (IRFU, Saclay) ; Bachacou, H. (IRFU, Saclay) ; Balli, F. (IRFU, Saclay) ; Bauer, F. (IRFU, Saclay) ; Bennet, J. (IRFU, Saclay) ; Benoit, T. (IRFU, Saclay) et al. The steadily increasing luminosity of the LHC requires an upgrade with high-rate and high-resolution detector technology for the inner end cap of the ATLAS muon spectrometer: the New Small Wheels (NSW). [...] arXiv:2105.13709. - 43 p. Fulltext

2021-06-01
04:01
 Standard Model QCD with jets and photons at CMS and ATLAS / Kirschenmann, Henning (Helsinki Inst. of Phys.) Recent measurements performed by the ATLAS and CMS collaborations on the Run 2 dataset are testing QCD with unprecedented precision. [...] arXiv:2105.13749. - Fulltext

2021-05-28
13:20
 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 / ATLAS Collaboration A search for new phenomena is presented in final states with two leptons and one or no $b$-tagged jets. [...] arXiv:2105.13847 ; CERN-EP-2021-065. - 2021. - 32 p. Fulltext - Previous draft version - Fulltext

2021-05-27
04:06
 Impact of the HL-LHC detector upgrades on the physics program of the ATLAS and CMS experiments / Kuehn, Susanne (CERN) A wealth of physics results have already been obtained from the LHC, due to the excellent performance of the collider and its experiments. [...] arXiv:2105.11514. - 9 p. Fulltext