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ATLAS Preprints

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2026-02-06
12:36
Precise measurement of the $t\bar{t}$ production cross-section and lepton differential distributions in $e\mu$ dilepton events / Hirschbuehl, Dominic (Wuppertal U.)
Measurements of the inclusive and differential top-quark pair ($t\bar{t}$) cross-sections in proton–proton collisions at $\sqrt{s} = 13\,\mathrm{TeV}$, using $140\,\mathrm{fb}^{-1}$ of data collected by the ATLAS experiment at the Large Hadron Collider, are presented. [...]
arXiv:2602.06664 ; ATL-PHYS-PROC-2026-006. - 2026 - 5.
Original Communication (restricted to ATLAS) - Full text - Fulltext

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2026-02-02
11:17
Breaking barriers: the impact of ATLAS Virtual Visits in science communication / ATLAS Collaboration
The ATLAS Collaboration at CERN’s Large Hadron Collider is at the forefront of particle physics research and is equally committed to bridging the gap between cutting-edge science and the wider public [...]
arXiv:2601.22457 ; CERN-EP-2026-013. - 2026 - 36.
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2026-02-02
08:25
Search for dimuon resonance in the 35 to 75 GeV mass range using 140 fb$^{-1}$ of 13 TeV $pp$ collisions with the ATLAS / ATLAS Collaboration
A model-independent search for low-mass resonances decaying into pairs of oppositely charged muons is presented. [...]
arXiv:2601.21361 ; CERN-EP-2025-285. - 2026 - 44.
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2026-01-29
04:42
Searches for strong production of supersymmetric particles with the ATLAS detector / Greco, Matteo (Garching, Max Planck Inst.)
Supersymmetry (SUSY) provides elegant solutions to several open questions in the Standard Model, and searches for SUSY particles are an important component of the LHC physics program. [...]
arXiv:2601.19695. - 5.
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2026-01-19
08:14
Observation of a cross-section enhancement near the $t\bar{t}$ production threshold in $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A measurement of $t\bar{t}$ production is presented in the invariant-mass region near the pair production threshold, $m_{t\bar{t}} \sim 345$ GeV, in final states with two charged leptons and multiple jets. [...]
arXiv:2601.11780 ; CERN-EP-2026-002. - 2026 - 64.
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2026-01-13
04:24
Measurement of spin correlation and entanglement in ATLAS and CMS / Jolly, Fiona Ann (DESY)
The Large Hadron Collider has delivered exceptionally large proton-proton collision datasets at centre-of-mass energies of up to 13.6 TeV. [...]
arXiv:2601.04649. - 7.
Fulltext

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2026-01-12
14:08
Probes of flavor symmetry and violation with top quarks in ATLAS and CMS / Strautnieks, Normunds Ralfs (LATVIA-UNIV) /ATLAS and CMS Collaborations
Measurements of lepton flavor universality (LFU) and searches for charged lepton flavor violation (cLFV) are one of the most straightforward ways of searching for Beyond Standard Model (BSM) physics. The numerous production of top quark pairs at the LHC allows for high precision measurements of LFU ratios and searches for cLFV signatures. [...]
CMS-CR-2025-296.- Geneva : CERN, 2025 - 9 p. Fulltext: PDF;
In : 18th International Workshop on Top Quark Physics (TOP2025), Seoul, South Korea, 21 - 26 Sep 2025

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2026-01-09
10:52
Search for long-lived particles using displaced vertices of oppositely charged leptons in 140 fb$^{-1}$ of pp collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A search is presented for long-lived particles decaying into an oppositely charged lepton pair, $\mu^{+}\mu^{-}$, $e^{+}e^{-}$, or $e^{\pm}\mu^{\mp}$, that form a vertex within the inner tracking system of the ATLAS detector at the Large Hadron Collider, displaced from the primary proton-proton interaction region. [...]
arXiv:2601.05664 ; CERN-EP-2025-293. - 2026 - 40.
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2026-01-08
14:59
Measurement of differential $t$-channel single top (anti)quark production cross-sections at 13 TeV with the ATLAS detector / ATLAS Collaboration
The production of single top quarks and top antiquarks via the $t$-channel exchange of a virtual $W$ boson is measured in proton-proton collisions at a centre-of-mass energy of 13 TeV at the Large Hadron Collider. [...]
arXiv:2601.04938 ; CERN-EP-2025-286. - 2026 - 65.
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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 / 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. - 2025 - 63.
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