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ATLAS Preprints

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2026-06-19
07:57
Observation of centrality-dependent dijet transverse momentum imbalance in O+O and Ne+Ne collisions at $\ensuremath{\sqrt{s_{\mathrm{NN}}}} = 5.36$ TeV with the ATLAS detector
The ATLAS experiment presents an observation of a centrality-dependent dijet transverse momentum imbalance in O+O and Ne+Ne collisions at a nucleon–nucleon center-of-mass energy of 5.36 TeV at the Large Hadron Collider. [...]
CERN-EP-2026-178. - 2026
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2026-06-19
07:46
Measurements of charged-particle pseudorapidity and transverse momentum distributions in O+O and Ne+Ne collisions at $\sqrt{s_{_\text{NN}}} = 5.36$ TeV with the ATLAS detector
Measurements of charged-particle transverse momentum spectra, multiplicity, and mean transverse momentum are presented as a function of pseudorapidity and collision centrality in O+O and Ne+Ne collisions at $\sqrt{s_{_\text{NN}}}= 5.36$ TeV using 27.7 $\mu\text{b}^{-1}$ and 53.1 $\mu\text{b}^{-1}$ data sets recorded by the ATLAS experiment at the LHC. [...]
CERN-EP-2026-154. - 2026
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2026-06-17
15:21
Measurement of isolated photon plus two-jet correlations in Pb+Pb and $pp$ collisions at 5.02 TeV with ATLAS / ATLAS Collaboration
This paper presents a measurement of photon plus two-jet events in $pp$ and Pb+Pb collisions, i.e. [...]
arXiv:2606.17760 ; CERN-EP-2026-121. - 2026 - 37.
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2026-06-12
14:29
Search for dark photons from Higgs boson decays in the gluon-gluon fusion channel in proton-proton collisions at $\sqrt{s}=13.6$ TeV with the ATLAS detector / ATLAS Collaboration
This paper presents a search for semi-visible Higgs boson decays in final states with a photon ($\gamma$) and missing transverse momentum $p_T^{miss}$. [...]
arXiv:2606.14362 ; CERN-EP-2026-139. - 2026 - 52.
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2026-06-03
15:29
Probing the Higgs-top Yukawa interaction in the $t\bar{t}H$ and $tH$ processes using $H\rightarrow\gamma\gamma$ with the ATLAS detector / ATLAS Collaboration
A study of the structure of the coupling between the Higgs boson and the top quark is performed using events from $t\bar{t}H$ and $tH$ production in the $H\rightarrow\gamma\gamma$ decay channel, with 164 fb$^{-1}$ of proton-proton collision data at a center-of-mass energy of $\sqrt{s}$ = 13.6 TeV collected by the ATLAS detector at the LHC. [...]
arXiv:2606.04855 ; CERN-EP-2026-150. - 2026 - 36.
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2026-06-02
08:40
Search for electroweak scale dijet resonances in pile-up collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for dijet resonances in the mass range of 100-250 GeV is presented using proton-proton collision data recorded by the ATLAS experiment at the Large Hadron Collider at a centre-of-mass energy of 13 TeV. [...]
arXiv:2606.03222 ; CERN-EP-2026-147. - 2026 - 42.
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2026-06-02
08:08
Search for a leptoquark in events with a hadronically decaying $\tau$-lepton and missing transverse momentum using $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for leptoquark signals is performed in final states with a hadronically decaying $\tau$-lepton and missing transverse momentum, using data from proton--proton collisions at a centre-of-mass energy of $\sqrt{s}=13$ TeV recorded by the ATLAS detector at the Large Hadron Collider during Run 2 (2015-18), corresponding to an integrated luminosity of 140 fb$^{-1}$. [...]
arXiv:2606.02067 ; CERN-EP-2026-136. - 2026 - 42 p, 42.
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2026-05-29
18:38
Status and prospects of rare decay searches at ATLAS and CMS / Buonsante, Marco (INFN, Bari ; Bari U.) /ATLAS and CMS Collaborations
Rare decays with dimuon and multimuon final states provide clean tests of the Standard Model at the LHC. This proceeding summarizes recent ATLAS and CMS results on $B_{(s)}^0\to\mu^+\mu^-$, including branching-fraction measurements and effective-lifetime information, together with the first Run~3 search for $D^0\to\mu^+\mu^-$ and the full Run~2 angular analysis of $B^0\to K^{*0}\mu^+\mu^-$. [...]
CMS-CR-2026-064.- Geneva : CERN, 2026 - 9 p. Fulltext: PDF;
In : Workshop Italiano sulla Fisica ad Alta Intensità (WIFAI 2025), Bari, Italy, 11- 14 Nov 2025

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2026-05-29
14:04
Measurement of the cross-section for the production of a $W$ boson in association with $b$-jets in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
This paper presents a measurement of the production cross-section of a $W$ boson associated with one or two jets, where at least one jet originates from a $b$-quark. [...]
arXiv:2605.31205 ; CERN-EP-2026-146. - 44.
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2026-05-28
10:07
Search for pair-produced vector-like $T$-quarks decaying into $Ht$ final states in the lepton-plus-jets channel in $pp$ collisions at $\sqrt{s}$=13 TeV with the ATLAS detector / ATLAS Collaboration
A search for pair-produced vector-like $T$-quarks in 139 fb$^{-1}$ of $pp$ collisions recorded by the ATLAS detector at a centre-of-mass energy $\sqrt{s}$=13 TeV is presented. [...]
arXiv:2605.28538 ; CERN-EP-2026-131. - 2026 - 58.
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