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ATLAS Preprints

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2020-04-07
23:18
Higgs boson production cross-section measurements and their EFT interpretation in the $4\ell$ decay channel at $\sqrt{s}$ = 13 TeV with the ATLAS detector
Higgs boson properties are studied in the four-lepton decay channel (where lepton = $e$, $\mu$) using 139 fb$^{-1}$ of proton$-$proton collision data recorded at $\sqrt{s}$ = 13 TeV by the ATLAS experiment at the Large Hadron Collider. [...]
CERN-EP-2020-034. - 2020.
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2020-04-03
19:38
Search for Higgs boson decays into a $Z$ boson and a light hadronically decaying resonance using 13 TeV $pp$ collision data from the ATLAS detector
A search for Higgs boson decays into a $Z$ boson and a light resonance in two-lepton plus jet events is performed, using a $pp$ collision dataset with an integrated luminosity of 139 fb$^{-1}$ collected at $\sqrt{s}=13$ TeV by the ATLAS experiment at the CERN LHC. [...]
CERN-EP-2020-033. - 2020.
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2020-03-26
16:38
Measurements of the production cross-section for a $Z$ boson in association with $b$-jets in proton$-$proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
This paper presents a measurement of the production cross-section of a $Z$ boson in association with $b$-jets, in proton$-$proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS experiment at the Large Hadron Collider using data corresponding to an integrated luminosity of 35.6 fb$^{-1}$. [...]
arXiv:2003.11960 ; CERN-EP-2020-022. - 2020. - 57 p.
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2020-03-26
16:28
Search for long-lived, massive particles in events with a displaced vertex and a muon with large impact parameter in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for long-lived particles decaying into hadrons and at least one muon is presented. [...]
arXiv:2003.11956 ; CERN-EP-2019-219. - 2020. - 43 p.
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2020-03-09
09:32
Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in Pb+Pb collisions at $\sqrt{s_{NN}} =$ 5.02 TeV with the ATLAS detector / ATLAS Collaboration
Azimuthal anisotropies of muons from charm and bottom hadron decays are measured in Pb+Pb collisions at $\sqrt{s_{NN}}=$ 5.02 TeV. [...]
arXiv:2003.03565 ; CERN-EP-2019-274. - 2020. - 36 p.
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2020-03-07
04:41
Upgraded Electronics of the ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Abdallah, J. (Texas U., Arlington)
The ATLAS hadronic Tile Calorimeter will undergo major upgrades to the on- and off-detector electronics in preparation for the High Luminosity program of the Large Hadron Collider (HL-LHC) in 2026, so that the system can cope with the HL-LHC increased radiation levels and out-of-time pileup. [...]
arXiv:2002.06427. - 8 p.
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2020-02-27
17:15
Search for heavy Higgs bosons decaying into two tau leptons with the ATLAS detector using $pp$ collisions at $\sqrt{s}=13$ TeV / ATLAS Collaboration
A search for heavy neutral Higgs bosons is performed using the LHC Run 2 data, corresponding to an integrated luminosity of 139 fb$^{-1}$ of proton$-$proton collisions at $\sqrt{s}=13$ TeV recorded with the ATLAS detector. [...]
arXiv:2002.12223 ; CERN-EP-2020-014. - 2020. - 32 p.
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2020-02-26
08:01
Search for dijet resonances in events with an isolated charged lepton using $\sqrt{s} = 13$ TeV proton$-$proton collision data collected by the ATLAS detector / ATLAS Collaboration
A search for dijet resonances in events with at least one isolated charged lepton is performed using $139~{\text{fb}}^{-1}$ of $\sqrt{s}=13$ TeV proton$-$proton collision data recorded by the ATLAS detector at the LHC. [...]
arXiv:2002.11325 ; CERN-EP-2019-276. - 2020. - 41 p.
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2020-02-18
13:53
Observation of the associated production of a top quark and a $Z$ boson in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
Single top-quark production in association with a $Z$ boson is measured in the trilepton channel. [...]
arXiv:2002.07546 ; CERN-EP-2019-273. - 2020. - 44 p.
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2020-02-13
09:00
Test of CP invariance in vector-boson fusion production of the Higgs boson in the $H\rightarrow\tau\tau$ channel in proton-proton collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector / ATLAS Collaboration
A test of CP invariance in Higgs boson production via vector-boson fusion is performed in the $H\rightarrow\tau\tau$ decay channel. [...]
arXiv:2002.05315 ; CERN-EP-2020-009. - 2020. - 44 p.
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