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ATLAS Preprints

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2023-09-18
14:09
A precise measurement of the $Z$-boson double-differential transverse momentum and rapidity distributions in the full phase space of the decay leptons with the ATLAS experiment at $\sqrt s$ = 8 TeV / ATLAS Collaboration
This paper presents for the first time a precise measurement of the production properties of the $Z$ boson in the full phase space of the decay leptons [...]
arXiv:2309.09318 ; CERN-EP-2023-171. - 2023. - 57 p.
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2023-09-12
07:46
Electron and photon energy calibration with the ATLAS detector using LHC Run 2 data / ATLAS Collaboration
This paper presents the electron and photon energy calibration obtained with the ATLAS detector using 140 fb$^{-1}$ of LHC proton-proton collision data recorded at $\sqrt{s}=13$ TeV between 2015 and 2018. [...]
arXiv:2309.05471 ; CERN-EP-2023-128. - 2023. - 58 p.
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2023-09-11
09:44
Search for the $Z\gamma$ decay mode of new high-mass resonances in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
This letter presents a search for narrow, high-mass resonances in the $Z\gamma$ final state with the $Z$ boson decaying into a pair of electrons or muons. [...]
arXiv:2309.04364 ; CERN-EP-2023-153. - 2023. - 36 p.
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2023-09-07
08:43
Evidence for the Higgs boson decay to a $Z$ boson and a photon at the LHC / ATLAS Collaboration
The first evidence for the Higgs boson decay to a $Z$ boson and a photon is presented, with a statistical significance of 3.4 standard deviations. [...]
arXiv:2309.03501 ; CERN-EP-2023-157 ; CMS-HIG-23-002. - 2023. - 48 p.
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2023-09-01
10:41
Measurement of the centrality dependence of the dijet yield in $p$+Pb collisions at $\sqrt{s_{_\text{NN}}}$ = 8.16 TeV with the ATLAS detector / ATLAS Collaboration
The measurement of hard scatterings in proton-nucleus collisions has resulted in a greater understanding of both the proton and nuclear structure [...]
arXiv:2309.00033 ; CERN-EP-2023-178. - 2023. - 31 p.
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2023-08-31
14:07
Measurements of longitudinal flow decorrelations in pp and Xe+Xe collisions with the ATLAS detector / ATLAS Collaboration
Measurements of longitudinal flow decorrelations in 13 TeV $pp$ and 5.44 TeV Xe+Xe collisions with the ATLAS detector are presented. [...]
arXiv:2308.16745 ; CERN-EP-2023-184. - 2023. - 31 p.
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2023-08-31
14:00
Azimuthal angle correlations of muons produced via heavy-flavor decays in 5.02 TeV Pb+Pb and $pp$ collisions with the ATLAS detector / ATLAS Collaboration
Angular correlations between heavy-quarks provide a unique probe of the quark-gluon plasma created in ultra-relativistic heavy-ion collisions. [...]
arXiv:2308.16652 ; CERN-EP-2023-185. - 2023. - 33 p.
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2023-08-25
15:57
Electron and photon efficiencies in LHC Run 2 with the ATLAS experiment / ATLAS Collaboration
Precision measurements of electron reconstruction, identification, and isolation efficiencies and photon identification efficiencies are presented. [...]
arXiv:2308.13362 ; CERN-EP-2023-182. - 2023. - 61 p.
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2023-08-23
16:33
Differential cross-section measurements of the production of four charged leptons in association with two jets using the ATLAS detector / ATLAS Collaboration
Differential cross-sections are measured for the production of four charged leptons in association with two jets. [...]
arXiv:2308.12324 ; CERN-EP-2023-152. - 2023. - 47 p.
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2023-08-18
15:18
Measurement of the $t\bar{t}$ cross section and its ratio to the $Z$ production cross section using $pp$ collisions at $\sqrt{s} = 13.6$ TeV with the ATLAS detector / ATLAS Collaboration
The inclusive top-quark-pair production cross section $\sigma_{t\bar{t}}$ and its ratio to the $Z$-boson production cross section have been measured in proton-proton collisions at $\sqrt{s} = 13.6$ TeV, using 29 fb${}^{-1}$ of data collected in 2022 with the ATLAS experiment at the Large Hadron Collider. [...]
arXiv:2308.09529 ; CERN-EP-2023-166. - 2023. - 42 p.
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