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ATLAS Preprints

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2021-07-19
15:49
Measurement of the production cross section of pairs of isolated photons in $pp$ collisions at 13 TeV with the ATLAS detector / ATLAS Collaboration
A measurement of prompt photon-pair production in proton-proton collisions at $\sqrt{s}=13$ TeV is presented. [...]
arXiv:2107.09330 ; CERN-EP-2021-105. - 2021. - 52 p.
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2021-07-15
08:22
Search for exotic decays of the Higgs boson into long-lived particles in $pp$ collisions at $\sqrt{s} = 13$ TeV using displaced vertices in the ATLAS inner detector / ATLAS Collaboration
A novel search for exotic decays of the Higgs boson into pairs of long-lived neutral particles, each decaying into 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. [...]
arXiv:2107.06092. - 39 p.

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2021-07-13
16:15
Search for exotic decays of the Higgs boson into 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 into pairs of long-lived neutral particles, each decaying into 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. [...]
CERN-EP-2021-106. - 2021.
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2021-07-06
08:24
The ATLAS Inner Detector Trigger performance in $pp$ collisions at 13 TeV during LHC Run 2 / ATLAS Collaboration
The design and performance of the inner detector trigger for the high level trigger of the ATLAS experiment at the Large Hadron Collider during the 2016-18 data taking period is discussed. [...]
arXiv:2107.02485 ; CERN-EP-2021-076. - 2021. - 79 p.
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2021-07-01
08:50
Search for new phenomena in three- or four-lepton events in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
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. [...]
arXiv:2107.00404 ; CERN-EP-2021-063. - 2021. - 40 p.
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2021-06-22
13:58
Measurement of the $t\bar{t}t\bar{t}$ production cross section in $pp$ collisions at $\sqrt{s}$=13 TeV with the ATLAS detector / ATLAS Collaboration
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 corresponding to an integrated luminosity of 139 fb$^{-1}$ is presented. [...]
arXiv:2106.11683 ; CERN-EP-2021-075. - 2021. - 51 p.
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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.
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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.
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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.
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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.
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