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ATLAS Papers

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2020-06-29
15:50
Differential cross-section measurements for the electroweak production of dijets in association with a $Z$ boson in proton$-$proton collisions at ATLAS / ATLAS Collaboration
Differential cross-section measurements are presented for the electroweak production of two jets in association with a $Z$ boson. [...]
arXiv:2006.15458 ; CERN-EP-2020-045. - 2020. - 52 p.
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2020-06-24
16:34
Measurement of the $t\bar{t}$ production cross-section in the lepton+jets channel at $\sqrt{s}$=13 TeV with the ATLAS experiment. / ATLAS Collaboration
The $t\bar{t}$ production cross-section is measured in the lepton+jets channel using proton$-$proton collision data at a centre-of-mass energy of $\sqrt{s}$=13 TeV collected with the ATLAS detector at the LHC. [...]
arXiv:2006.13076 ; CERN-EP-2020-096. - 2020. - 38 p, 38 p.
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2020-06-23
21:43
Search for new non-resonant phenomena in high-mass dilepton final states with the ATLAS detector / ATLAS Collaboration
A search for new physics with non-resonant signals in dielectron and dimuon final states in the mass range above 2 TeV is presented. [...]
arXiv:2006.12946 ; CERN-EP-2020-066. - 2020. - 37 p, 37 p.
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2020-06-16
19:51
Measurements of top-quark pair single- and double-differential cross-sections in the all-hadronic channel in $pp$ collisions at $\sqrt{s}=13$ TeV using the ATLAS detector / ATLAS Collaboration
Differential cross-sections are measured for top-quark pair production in the all-hadronic decay mode, using proton$-$proton collision events collected by the ATLAS experiment in which all six decay jets are separately resolved. [...]
arXiv:2006.09274 ; CERN-EP-2020-063. - 2020. - 76 p.
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2020-06-11
15:13
Search for pairs of scalar leptoquarks decaying into quarks and electrons or muons in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search for new-physics resonances decaying into a lepton and a jet performed by the ATLAS experiment is presented. [...]
arXiv:2006.05872 ; CERN-EP-2020-084. - 2020. - 40 p.
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2020-06-10
18:17
Search for top squarks in events with a Higgs or $Z$ boson using 139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
This paper presents a search for direct top squark pair production in events with missing transverse momentum plus either a pair of jets consistent with Standard Model Higgs boson decay into $b$-quarks or a same-flavour opposite-sign dilepton pair with an invariant mass consistent with a $Z$ boson. [...]
arXiv:2006.05880 ; CERN-EP-2020-074. - 2020. - 46 p.
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2020-05-26
09:05
Search for Higgs boson decays into two new low-mass spin-0 particles in the 4$b$ channel with the ATLAS detector using $pp$ collisions at $\sqrt{s}=13$ TeV
This paper describes a search for beyond the Standard Model decays of the Higgs boson into a pair of new spin-0 particles subsequently decaying into $b$-quark pairs, $H \rightarrow aa \rightarrow (b\bar{b})(b\bar{b})$, using proton-proton collision data collected by the ATLAS detector at the Large Hadron Collider at center-of-mass energy $\sqrt{s}=13$ TeV. [...]
CERN-EP-2020-067. - 2020.
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2020-05-20
08:15
Performance of the missing transverse momentum triggers for the ATLAS detector during Run-2 data taking / ATLAS Collaboration
The factor of four increase in the LHC luminosity, from $0.5\times 10^{34}\,\textrm{cm}^{-2}\textrm{s}^{-1}$ to $2.0\times 10^{34}\textrm{cm}^{-2}\textrm{s}^{-1}$, and the corresponding increase in pile-up collisions during the 2015-2018 data-taking period, presented a challenge for ATLAS to trigger on missing transverse momentum. [...]
arXiv:2005.09554 ; CERN-EP-2020-050. - 2020. - 51 p.
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2020-05-11
23:04
A search for the $Z\gamma$ decay mode of the Higgs boson in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for the $Z\gamma$ decay of the Higgs boson, with $Z$ boson decays into pairs of electrons or muons is presented. [...]
arXiv:2005.05382 ; CERN-EP-2020-052. - 2020. - 37 p.
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2020-05-11
17:20
Search for $t\bar{t}$ resonances in fully hadronic final states in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
This paper presents a search for new heavy particles decaying into a pair of top quarks using 139 fb$^{-1}$ of proton$-$proton collision data recorded at a centre-of-mass energy of $\sqrt{s}=13$ TeV with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2005.05138 ; CERN-EP-2020-055. - 2020. - 40 p.
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