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ATLAS Preprints

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2024-09-09
11:52
Experimental overview of BSM searches (including resonant HH production) / Soffi, Livia (INFN, Rome) /ATLAS, CMS and LHCB Collaborations
This document summarizes recent results from ATLAS and CMS collaborations in searches for physics Beyond the Standard Model (BSM) using data from LHC Runs 2 and 3. It focuses on key BSM scenarios, including extended Higgs sectors, supersymmetry, heavy fermions, and the two-Higgs-doublet model with an additional pseudoscalar. [...]
CMS-CR-2024-169.- Geneva : CERN, 2024 - 14 p. Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024

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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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2024-07-26
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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