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ATLAS Papers

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2025-09-05
19:37
Measurement of the azimuthal anisotropy of charged particles in $\sqrt{s_{\mathrm{NN}}}=5.36$ TeV $^{16}$O$+^{16}$O and $^{20}$Ne$+^{20}$Ne collisions with the ATLAS detector / ATLAS Collaboration
This paper presents the first measurements of the azimuthal anisotropy coefficients $v_{n}$, which quantify the $n^{\mathrm{th}}$-order Fourier modulation of charged-particle azimuthal distributions, for $n=2$-4 in $\sqrt{s_{\mathrm{NN}}}=5.36$ TeV $\mathrm{^{16}O}+\mathrm{^{16}O}$ and $\mathrm{^{20}Ne}+\mathrm{^{20}Ne}$ collisions recorded with the ATLAS detector at the Large Hadron Collider in 2025. [...]
arXiv:2509.05171 ; CERN-EP-2025-200. - 2025 - 44.
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Detaljerad journal
2025-09-04
14:15
Measurement of coherent exclusive $J/\psi\to\mu^+\mu^-$ production in ultraperipheral Pb+Pb collisions at $\sqrt{s_{\textrm{NN}}}=5.36$ TeV with the ATLAS detector / ATLAS Collaboration
The ATLAS experiment has performed a measurement of coherent exclusive $J/\psi\to\mu^+\mu^-$ production in ultraperipheral Pb+Pb collisions at $\sqrt{s_{\textrm{NN}}}=5.36$ TeV [...]
arXiv:2509.04135 ; CERN-EP-2025-180. - 2025 - 44.
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Detaljerad journal
2025-09-01
12:02
Search for electroweak-scale dijet resonances using trigger-level analysis with the ATLAS detector in $132$ fb$^{-1}$ of $pp$ collisions at $\sqrt{s} = 13$ TeV / ATLAS Collaboration
This article reports on a search for dijet resonances using $132$ fb$^{-1}$ of $pp$ collision data recorded at $\sqrt{s} = 13$ TeV by the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2509.01219 ; CERN-EP-2025-194. - 2025 - 45.
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Detaljerad journal
2025-08-29
08:56
Search for heavy neutral leptons in decays of $W$ bosons produced in 13 TeV $pp$ collisions using prompt signatures in the ATLAS detector / ATLAS Collaboration
The existence of right-handed neutrinos with Majorana masses below the electroweak scale could help address the origins of neutrino masses, the matter-antimatter asymmetry, and dark matter. [...]
arXiv:2508.20929 ; CERN-EP-2025-164. - 2025 - 44.
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Detaljerad journal
2025-08-27
14:07
Search for Beyond the Standard Model physics with anomaly detection in multilepton final states in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A model-agnostic search for Beyond the Standard Model physics is presented, targeting final states with at least four light leptons (electrons or muons). [...]
arXiv:2508.19778 ; CERN-EP-2025-189. - 2025 - 54.
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Detaljerad journal
2025-08-21
09:55
Search for the production of a Higgs boson in association with a single top quark in $pp$ collisions at $\sqrt{s}~=~13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for the production of a Higgs boson in association with a single top quark, $tH$, is presented. [...]
arXiv:2508.14695 ; CERN-EP-2025-178. - 2025 - 67.
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Detaljerad journal
2025-07-17
08:23
Search for the Higgs boson decay to a $Z$ boson and a photon in $pp$ collisions at $\sqrt{s}=13$ TeV and $13.6$ TeV with the ATLAS detector / ATLAS Collaboration
A search for the Higgs boson decay to a $Z$ boson and a photon in the $\ell\ell\gamma$ ($\ell = e, \mu$) final state is performed using $pp$ collisions at $\sqrt{s}=13.6$ TeV recorded with the ATLAS detector at the Large Hadron Collider during 2022-2024, corresponding to an integrated luminosity of 165 fb$^{-1}$. [...]
arXiv:2507.12598 ; CERN-EP-2025-155. - 2025 - 43.
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Detaljerad journal
2025-07-04
17:22
Search for resonant leptoquark production via lepton–jet signatures in $pp$ collisions at $\sqrt{s} = 13$ TeV and $\sqrt{s} = 13.6$ TeV with the ATLAS detector / ATLAS Collaboration
This paper presents a search for physics beyond the Standard Model targeting a heavy resonance visible in the invariant mass of the lepton–jet system. [...]
arXiv:2507.03650 ; CERN-EP-2025-142. - 2025 - 60.
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Detaljerad journal
2025-07-04
17:14
Evidence for the dimuon decay of the Higgs boson in $p\!p$ collisions with the ATLAS detector / ATLAS Collaboration
A search for the dimuon decay of the Higgs boson is presented based on $pp$ collision data recorded by ATLAS during Run 3 of the Large Hadron Collider, corresponding to an integrated luminosity of $165~\mathrm{fb}^{-1}$ at $\sqrt{s} = 13.6~\,\text{TeV}$ [...]
arXiv:2507.03595 ; CERN-EP-2025-149. - 2025 - 37.
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Detaljerad journal
2025-07-04
15:30
Measurements and interpretations of $W^{\pm}Z$ production cross-sections in $pp$ collisions at $\sqrt{s} =$ 13 TeV with the ATLAS detector / ATLAS Collaboration
Measurements of integrated and differential cross-sections for $W^{\pm}Z$ production in proton-proton collisions are presented. [...]
arXiv:2507.03500 ; CERN-EP-2025-145. - 2025 - 64.
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Detaljerad journal