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ATLAS Papers

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2025-10-14
13:34
Search for emerging jets in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS experiment / ATLAS Collaboration
A search is presented for emerging jets using 140 fb$^{-1}$ of proton-proton collision data at $\sqrt{s} = 13$ TeV, collected by the ATLAS experiment between 2015 and 2018. [...]
arXiv:2510.12347 ; CERN-EP-2025-225. - 2025 - 45.
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2025-10-06
10:58
Search for a resonance decaying into a scalar particle and a Higgs boson in the final state with two bottom quarks and two photons with 199 fb$^{-1}$ of data collected at $\sqrt{s}$=13 TeV and $\sqrt{s}$=13.6 TeV with the ATLAS detector / ATLAS Collaboration
A search for the resonant production of a heavy scalar $X$ decaying into a Higgs boson and a lighter scalar $S$, through the process $X \rightarrow S (\rightarrow b \bar{b})H ( \rightarrow \gamma\gamma)$, where the two photons are consistent with the Higgs boson decay, is performed. [...]
arXiv:2510.02857 ; CERN-EP-2025-204. - 2025 - 39.
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2025-09-24
07:39
A search for electroweak $t\bar{t}Wj$ production in multileptonic final states at $\sqrt{s} = 13$ TeV with the ATLAS detector and bounds on effective field theory operators / ATLAS Collaboration
A search is presented for the electroweak production of a top quark pair in association with a $W$ boson and at least one additional jet, known as the ${t\bar{t}W\kern-0.2em j_{\mathrm{EW}}}$ process. [...]
arXiv:2509.19038 ; CERN-EP-2025-207. - 2025 - 51.
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2025-09-22
12:38
Measurement of the top-quark Yukawa coupling from $t\overline{t}$ production in the lepton+jets final state using $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
The top-quark Yukawa coupling is extracted from the distribution of the top-quark pair ($t\overline{t}$) invariant mass in proton-proton collisions using 140 ${fb}^{-1}$ of data at $\sqrt{s} = 13$ TeV collected in 2015-2018 by the ATLAS experiment at the Large Hadron Collider. [...]
arXiv:2509.16039 ; CERN-EP-2025-216. - 2025 - 45.
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2025-09-18
18:04
Precise measurement of the $t\bar{t}$ production cross-section and lepton differential distributions in $e\mu$ dilepton events from $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
The inclusive top quark pair ($t\bar{t}$) cross-section $\sigma_{t\bar{t}}$ has been measured in $\sqrt{s}=13$ TeV proton-proton collisions, using 140 fb$^{-1}$ of data collected by the ATLAS experiment at the Large Hadron Collider. [...]
arXiv:2509.15066 ; CERN-EP-2025-211. - 2025 - 69.
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2025-09-17
17:19
Observation of $W^{+}W^{-}\gamma$ production in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector and constraints on anomalous quartic gauge-boson couplings / ATLAS Collaboration
This Letter reports the observation of $W^{+}W^{-}\gamma$ triboson production in 140 fb$^{-1}$ of data collected by the ATLAS detector from proton-proton collisions at a centre-of-mass energy of $\sqrt{s}$ = 13 TeV at the LHC. [...]
arXiv:2509.14070 ; CERN-EP-2025-187. - 2025 - 43.
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2025-09-17
16:53
Measurement of the $W$-boson angular coefficients and transverse momentum in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
The angular distributions of Drell-Yan lepton pairs provide sensitive probes of the underlying dynamics of quantum chromodynamics (QCD) effects in vector-boson production. [...]
arXiv:2509.13759 ; CERN-EP-2025-188. - 2025 - 53.
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2025-09-17
16:26
Search for Higgs bosons produced in association with a high-energy photon via vector-boson fusion and decaying to a pair of $b$-quarks in the ATLAS detector / ATLAS Collaboration
A search for Standard Model Higgs bosons produced in association with a high-energy photon and decaying to $b\bar{b}$ is performed using 133 fb$^{-1}$ of $\sqrt{s}=13$ TeV $pp$ collision data collected with the ATLAS detector at the Large Hadron Collider at CERN. [...]
arXiv:2509.14005 ; CERN-EP-2025-110. - 2025 - 40.
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2025-09-17
10:29
Observation of structures in the $J/\psi +\psi(2S)$ mass spectrum with the ATLAS detector / ATLAS Collaboration
A search for resonant structures in the $J/\psi +\psi$(2S) mass spectrum is performed using proton-proton collision data at $\sqrt{s}=13$ TeV, corresponding to an integrated luminosity of 140 fb$^{-1}$, recorded by the ATLAS experiment at the LHC. [...]
arXiv:2509.13101 ; CERN-EP-2025-182. - 2025 - 36.
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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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