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ATLAS Preprints

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2023-02-08
12:00
Measurements of the suppression and correlations of dijets in Xe+Xe collisions at $\sqrt{s_{NN}}$ = 5.44 TeV
Measurements of the suppression and correlations of dijets is performed using 3 $\mu$b$^{-1}$ of Xe+Xe data at $\sqrt{s_{\mathrm{NN}}} = 5.44$ TeV collected with the ATLAS detector at the LHC. [...]
CERN-EP-2023-001. - 2023.
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2023-02-02
19:31
Observation of single-top-quark production in association with a photon using the ATLAS detector
This Letter reports the observation of single top quarks produced together with a photon using 139 fb$^{-1}$ of 13 TeV proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider. [...]
CERN-EP-2022-229 ; arXiv:2302.01283. - 2023. - 16 p.
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2023-02-01
17:59
Inclusive-photon production and its dependence on photon isolation in $pp$ collisions at $\sqrt s=13$ TeV using 139 fb$^{-1}$ of ATLAS data
Measurements of differential cross sections are presented for inclusive isolated-photon production in $pp$ collisions at a centre-of-mass energy of 13 TeV provided by the LHC and using 139 fb$^{-1}$ of data recorded by the ATLAS experiment. [...]
CERN-EP-2022-247 ; arXiv:2302.00510. - 2023. - 50 p.
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2023-02-01
11:13
Measurement of the production of a $W$ boson in association with a charmed hadron in $pp$ collisions at $\sqrt{s} = 13\,\mathrm{TeV}$ with the ATLAS detector
The production of a $W$ boson in association with a single charm quark is studied using 140 $\mathrm{fb}^{-1}$ of $\sqrt{s} = 13\,\mathrm{TeV}$ proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider. [...]
CERN-EP-2022-291 ; arXiv:2302.00336. - 2023. - 59 p.
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2023-01-31
17:18
Search for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for long-lived particles decaying into hadrons is presented. [...]
CERN-EP-2023-002 ; arXiv:2301.13866. - 2023. - 27 p.
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2023-01-27
14:35
Search for flavor-changing neutral-current couplings between the top quark and the $Z$ boson with LHC Run 2 proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
A search for flavor-changing neutral-current couplings between a top quark, an up or charm quark and a $Z$ boson is presented, using proton-proton collision data at $\sqrt{s} = 13$ TeV collected by the ATLAS detector at the Large Hadron Collider [...]
arXiv:2301.11605 ; CERN-EP-2022-044. - 2023. - 30 p.
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2023-01-27
11:16
Machine Learning in Top Physics in the ATLAS and CMS Collaborations / Keicher, Philip Daniel (Hamburg U.) /ATLAS and CMS Collaborations
Machine learning is essential in many aspects of top-quark related physics in the ATLAS and CMS Collaborations. This work aims to give a brief overview over current applications in the two collaborations as well as on-going studies for future applications.\footnote{Copyright 2023 CERN for the benefit of the ATLAS and CMS Collaborations. Reproduction of this article or parts of it is allowed as specified in the CC-BY-4.0 license}
CMS-CR-2023-006.- Geneva : CERN, 2023 - 9 p. Fulltext: PDF;
In : 15th International Workshop on Top-Quark Physics (TOP 2022), Durham, UK, 4 - 9 Sep 2022

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2023-01-26
10:58
Combination of searches for invisible decays of the Higgs boson using 139 fb$^{-1}$ of proton-proton collision data at $\sqrt{s} = 13$ TeV collected with the ATLAS experiment
Many extensions of the Standard Model predict the production of dark matter particles at the LHC. [...]
arXiv:2301.10731 ; CERN-EP-2022-289. - 2023. - 16 p.
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2023-01-26
09:08
Flow and transverse momentum correlation in Pb+Pb and Xe+Xe collisions with ATLAS: assessing the initial condition of the QGP / Bhatta, Somadutta (MIT, Cambridge, Dept. Phys. ; Bielefeld U.)
One important challenge in our field is to understand the initial condition of the QGP and constrain it using sensitive experimental observables. [...]
arXiv:2210.00159. - 8 p.
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2023-01-26
08:19
Measurements of associated $\textrm{t}\overline{\textrm{t}}\textrm{X}$ / van der Linden, Jan (Karlsruhe U.)
Inclusive and differential cross section measurements of $\textrm{t}\overline{\textrm{t}}$-associated processes are performed at the ATLAS and CMS Collaborations with high precision. [...]
arXiv:2211.14161. - 7 p.
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