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ATLAS Preprints

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2025-11-10
10:41
Rare decays and lepton flavour studies at the LHC / Michele Atzeni /ATLAS and CMS Collaborations
Rare decays provide a promising laboratory to indirectly probe extensions of the Standard Model (SM). Among these, lepton flavour universality (LFU) tests stand out as theoretically clean observables with strong discovery potential [...]
CMS-CR-2025-200.- Geneva : CERN, 2025 - 16 p. Fulltext: PDF;
In : 13th Edition of the Large Hadron Collider Physics Conference (LHCP2025), Taipei, Tw, 5 - 9 May 2025

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2025-11-10
10:38
LHC Results at 13.6 TeV (ATLAS and CMS) / Pieri, Marco (UC, San Diego) /ATLAS and CMS Collaborations
The first two years of the LHC Run 3 and the first physics results obtained by the ATLAS and CMS Collaborations at the proton-proton center of mass of 13.6 TeV are presented. Both detectors underwent several upgrades in view of Run 3 and the trigger and reconstructions have been further improved. [...]
CMS-CR-2025-133.- Geneva : CERN, 2025 - 10 p. Fulltext: PDF;
In : 42nd International Symposium on Physics in Collision, Arica, Cl, 10 - 13 Oct 2023

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2025-11-03
12:31
Differential cross-section measurements of coherent production of singly and doubly resonant top-quark in $WWbb$ events with one lepton at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
This paper presents differential cross-section measurements of events containing a charged lepton, missing transverse momentum, two $b$-jets, and two light jets, consistent with the $W^{+}W^{-}b\bar{b}$ final state. [...]
arXiv:2510.26476 ; CERN-EP-2025-229. - 2025 - 55.
Fulltext - Previous draft version - Fulltext

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2025-10-27
19:43
Measurement of the Higgs boson production in association with top quarks in multilepton final states in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A measurement of the associated production of a top-quark pair with the Higgs boson ($t\bar{t}H$) in multilepton final states is presented. [...]
arXiv:2510.23755 ; CERN-EP-2025-239. - 2025 - 64.
Fulltext - Previous draft version - Fulltext

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2025-10-27
17:35
Constraints on effective field theories via quadruple-differential angular decay rates from $t$-channel single-top-quark production at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Events with $t$-channel single top quarks are used to probe effective field theory operators in $\sqrt{s}=13$ TeV proton-proton collision data corresponding to 140 fb$^{-1}$ recorded by the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2510.23372 ; CERN-EP-2025-208. - 2025 - 57.
Fulltext - Previous draft version - Fulltext

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2025-10-20
12:38
Measurements of the W mass at ATLAS, CMS and LHCb / Tenchini, Francesco (INFN, Pisa ; Pisa U.) /ATLAS, CMS and LHCB Collaborations
In the standard model of particle physics, the masses of the Z and W boson are closely related. While the former has been precisely measured, the latter value is known much less precisely. [...]
CMS-CR-2025-171.- Geneva : CERN, 2025 - 8 p. Fulltext: PDF;
In : 13th Edition of the Large Hadron Collider Physics Conference (LHCP2025), Taipei, Tw, 5 - 9 May 2025

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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.
Fulltext - Previous draft version - preprint - Fulltext

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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.
Fulltext - Previous draft version - Fulltext

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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.
Fulltext - Previous draft version - Fulltext

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