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ATLAS Preprints

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2025-12-23
11:51
Search for $t\bar{t}$ resonances in final states with exactly one or two leptons using 140 fb$^{-1}$ of pp collision data at $\sqrt{s}=13$ TeV with the ATLAS experiment
A search for heavy spin-1 and spin-2 resonances decaying into a top-antitop-quark pair has been performed with 140 fb$^{-1}$ of proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}=13$ TeV. [...]
CERN-EP-2025-281. - 2025
Fulltext - Previous draft version

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2025-12-23
04:12
Search for ttbar resonances in final states with exactly one or two leptons using 140 fb$^{-1}$ of pp collision data at $\sqrt{s}=13$ TeV with the ATLAS experiment / ATLAS Collaboration
A search for heavy spin-1 and spin-2 resonances decaying into a top-antitop-quark pair has been performed with 140 fb$^{-1}$ of proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider at a centre-of-mass energy of $\sqrt{s}=13$ TeV. [...]
arXiv:2512.17856 ; CERN-EP-2025-281. - 63.
Fulltext

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2025-12-22
07:52
Measurement of inclusive dijet cross-sections in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
Inclusive dijet cross-sections have been measured in proton-proton collisions at a centre-of-mass energy of 13 TeV using data with an integrated luminosity of 140 fb$^{-1}$, recorded by the ATLAS detector at the Large Hadron Collider during 2015-2018. [...]
arXiv:2512.19073 ; CERN-EP-2025-283. - 2025 - 51.
Fulltext - Previous draft version - Fulltext

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2025-12-22
07:42
Calibration of the jet energy scale and resolution of small-radius jets using semileptonic $t\bar{t}$ events with the ATLAS detector / ATLAS Collaboration
A measurement of correction factors for the hadronic jet energy scale and resolution in the ATLAS detector is presented. [...]
arXiv:2512.17482 ; CERN-EP-2025-262. - 2025 - 47.
Fulltext - Previous draft version - Fulltext

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2025-12-17
04:39
Measurement of differential $t$-channel production cross-sections of single top quarks and top antiquarks at $\sqrt{s}=13$ TeV with the ATLAS detector / Kretschmann, Lukas (Wuppertal U.)
The differential production cross-sections of single top quarks and top antiquarks produced via the $t$-channel process are measured in proton-proton collisions at $\sqrt{s}=13$ TeV at the LHC with the full Run 2 ATLAS dataset corresponding to an integrated luminosity of $140$ fb$^{-1}$. [...]
arXiv:2512.09379. - 6.
Fulltext

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2025-12-09
05:34
Measurement of the differential t-channel production cross-section of single top quarks and top antiquarks at $\sqrt{s} = $13 TeV with the ATLAS detector / Stratmann, Maren (Wuppertal U.)
Differential production cross-sections of single top quarks and top antiquarks are measured in proton-proton collisions at a centre-of-mass energy $\sqrt{s} = 13\,$TeV. [...]
arXiv:2512.08573. - 2025 - 7.
Original Communication (restricted to ATLAS) - Full text - Fulltext

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2025-12-08
18:30
Searches for new phenomena in hadronic final states using the ATLAS detector / Barakat, Marawan (Deutsches Elektronen-Synchrotron (DE))
Many theories beyond the Standard Model predict new phenomena giving rise to multijet final states. [...]
ATL-PHYS-PROC-2025-126. - 2025 - 7.
Original Communication (restricted to ATLAS) - Full text

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2025-12-08
13:37
Spectroscopy studies from the ATLAS and CMS experiments / Liang, Zhengchen (Tsinghua U., Beijing) ; Hu, Zhen (Tsinghua U., Beijing) /ATLAS and CMS Collaborations
Recent spectroscopy results from the ATLAS and CMS experiments at the LHC are shedding new light on the hadronic spectrum. These include the first precise measurements of the excited vector mesons $B^{+}$, $B^{0}$, and $B^{*0}_s$, alongside the observation of a new family of tetraquark candidates in the di-$J/\psi$ channel. [...]
CMS-CR-2025-258.- Geneva : CERN, 2025 - 9 p. Fulltext: PDF;
In : 17th International Conference on Heavy Quarks and Leptons, Beijing, Cn, 15 - 19 Sep 2025

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2025-12-03
20:22
Performance and efficiency of a transformer-based quark/gluon jet tagger in the ATLAS experiment / ATLAS Collaboration
A deep-learning approach based on the transformer architecture is developed to distinguish between jets originating from quarks and gluons. [...]
arXiv:2512.03949 ; CERN-EP-2025-252. - 2025 - 50.
Fulltext - Previous draft version - Fulltext

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2025-12-01
19:27
Recent results in Higgs physics / Di Marco, Emanuele (INFN, Rome) /ATLAS and CMS Collaborations
This document summarizes recent results from ATLAS and CMS collaborations in the measurements of production cross section, decay rates, and determination of the properties for the Higgs boson, using proton-proton collision data from the LHC Run-2 and Run-3. The focus is on recent results using single Higgs boson production. [...]
CMS-CR-2025-227.- Geneva : CERN, 2025 - 11 p. Fulltext: PDF;
In : 2025 European Physical Society Conference on High Energy Physics (EPS-HEP 2025), Marseille, France, 7 - 11 Jul 2025

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