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ATLAS Papers

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2024-08-30
13:38
Search for $t\bar{t}H/A \rightarrow t\bar{t}t\bar{t}$ production in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search is presented for a heavy scalar ($H$) or pseudo-scalar ($A$) predicted by the two-Higgs-doublet models, where the $H/A$ is produced in association with a top-quark pair ($t\bar{t}H/A$), and with the $H/A$ decaying into a $t\bar{t}$ pair. [...]
arXiv:2408.17164 ; CERN-EP-2024-197. - 2024. - 51 p.
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2024-08-20
15:23
Search for magnetic monopole pair production in ultraperipheral Pb+Pb collisions at $\sqrt{s_{_\textrm{NN}}}=5.36$ TeV with the ATLAS detector at the LHC / ATLAS Collaboration
This Letter presents a search for highly ionizing magnetic monopoles in 262 $\mu$b$^{-1}$ of ultraperipheral Pb+Pb collision data at $\sqrt{s_{_\textrm{NN}}}=5.36$ TeV collected by the ATLAS detector at the LHC. [...]
arXiv:2408.11035 ; CERN-EP-2024-209. - 2024. - 33 p.
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2024-08-19
14:43
Search for the jet-induced diffusion wake in the quark-gluon plasma via measurements of jet-track correlations in photon-jet events in Pb+Pb collisions at $\sqrt{\mathrm{s}_{\mathrm{NN}}}$ = 5.02 TeV with the ATLAS detector / ATLAS Collaboration
This paper presents a measurement of jet-track correlations in photon-jet events, using 1.72 nb$^{-1}$ of Pb+Pb data at $\sqrt{s_{\text{NN}}}$ = 5.02 TeV recorded with the ATLAS detector at the LHC. [...]
arXiv:2408.08599 ; CERN-EP-2024-202. - 2024. - 36 p.
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2024-08-19
13:39
Combination of searches for singly produced vector-like top quarks in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A combination of searches for the single production of vector-like top quarks ($T$) is presented. [...]
arXiv:2408.08789 ; CERN-EP-2024-203. - 2024. - 42 p.
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2024-08-10
01:16
Search for heavy right-handed Majorana neutrinos in the decay of top quarks produced in proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for heavy right-handed Majorana neutrinos is performed with the ATLAS detector at the CERN Large Hadron Collider, using the 140 $fb^{-1}$ of proton-proton collision data at $\sqrt{s}$ = 13 TeV collected during Run 2. [...]
arXiv:2408.05000 ; CERN-EP-2024-154. - 2024. - 50 p.
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2024-08-01
16:05
Search for boosted low-mass resonances decaying into hadrons produced in association with a photon in pp collisions at $\sqrt{s}=$13 TeV with the ATLAS detector / ATLAS Collaboration
Many extensions of the Standard Model, including those with dark matter particles, propose new mediator particles that decay into hadrons. [...]
arXiv:2408.00049 ; CERN-EP-2024-188. - 2024. - 38 p.
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2024-07-29
18:15
Accuracy versus precision in boosted top tagging with the ATLAS detector / ATLAS Collaboration
The identification of top quark decays where the top quark has a large momentum transverse to the beam axis, known as \textit{top tagging}, is a crucial component in many measurements of Standard Model processes and searches for beyond the Standard Model physics at the Large Hadron Collider. Machine learning techniques have improved the performance of top tagging algorithms, but the size of the systematic uncertainties for all proposed algorithms has not been systematically studied. [...]
arXiv:2407.20127; CERN-EP-2024-159.- Geneva : CERN, 2024-08-27 - 47 p. - Published in : JINST 19 (2024) P08018 Fulltext: 2407.20127 - PDF; ANA-JETM-2023-06-PAPER - PDF; document - PDF; External link: Previous draft version

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2024-07-26
15:24
Jet radius dependence of dijet momentum balance and suppression in Pb+Pb collisions at 5.02 TeV with the ATLAS detector / ATLAS Collaboration
This paper describes a measurement of the jet radius dependence of the dijet momentum balance between leading back-to-back jets in 1.72 $nb^{-1}$ of Pb+Pb collisions collected in 2018 and 255 pb$^{-1}$ of $pp$ collisions collected in 2017 by the ATLAS detector at the LHC. [...]
arXiv:2407.18796 ; CERN-EP-2024-196. - 2024. - 58 p.
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2024-07-24
08:02
Differential cross-section measurements of Higgs boson production in the $H\to\tau^+\tau^-$ decay channel in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Differential measurements of Higgs boson production in the $\tau$-lepton-pair decay channel are presented in the gluon fusion, vector-boson fusion (VBF), $VH$ and $t\bar{t}H$ associated production modes, with particular focus on the VBF production mode [...]
arXiv:2407.16320 ; CERN-EP-2024-198. - 2024. - 64 p.
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2024-07-22
16:35
Measurement of single top-quark production in association with a $W$ boson in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
The inclusive cross-section for the production of a single top quark in association with a $W$ boson is measured using 140 fb$^{-1}$ of proton-proton collision data collected with the ATLAS detector at $\sqrt{s} = 13$ TeV [...]
arXiv:2407.15594 ; CERN-EP-2024-168. - 2024. - 45 p.
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