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ATLAS Preprints

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2024-02-21
10:10
Measurements of Lund subjet multiplicities in 13 TeV proton-proton collisions with the ATLAS detector / ATLAS Collaboration
This Letter presents a differential cross-section measurement of Lund subjet multiplicities, suitable for testing current and future parton shower Monte Carlo algorithms. [...]
arXiv:2402.13052 ; CERN-EP-2024-029.
- 2024. - 36 p.
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2024-02-20
10:59
A search for top-squark pair production, in final states containing a top quark, a charm quark and missing transverse momentum, using the 139 fb$^{-1}$ of $pp$ collision data collected by the ATLAS detector / ATLAS Collaboration
This paper presents a search for top-squark pair production in final states with a top quark, a charm quark and missing transverse momentum. [...]
arXiv:2402.12137 ; CERN-EP-2023-262.
- 2024. - 48 p.
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2024-02-19
09:53
Status and perspective of Lepton Flavor Violation at ATLAS and CMS / Aruta, Caterina (Florida U.) /ATLAS and CMS Collaborations
These proceedings collect a selection of recent experimental results on Lepton Flavor Violation (LFV) searches carried out at the ATLAS and CMS experiments at the LHC. These results are obtained by using the proton-proton collision dataset at $\sqrt{s}$ = 13 TeV, collected during the Run 2 of the LHC, and corresponding to an integrated luminosity of about 140 $\mathrm{fb^{-1}}$.\\ In the first part of these proceedings, few searches for LFV with multi-lepton final states are presented, followed by the searches for this kind of violation in the Higgs boson decays. Finally, the results from the LFV searches in the top quark sector are discussed..
CMS-CR-2024-034.- Geneva : CERN, 2024 - 11 p. Fulltext: PDF;
In : Workshop Italiano sulla Fisica ad Alta Intensita (WIFAI 2023), Rome, Italy, 8 - 10 Nov 2023

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2024-02-19
08:57
Combination of searches for heavy spin-1 resonances using 139 fb$^{-1}$ of proton-proton collision data at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A combination of searches for new heavy spin-1 resonances decaying into different pairings of $W$, $Z$, or Higgs bosons, as well as directly into leptons or quarks, is presented. [...]
arXiv:2402.10607 ; CERN-EP-2024-039.
- 2024. - 46 p.
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2024-02-14
08:17
A statistical combination of ATLAS Run 2 searches for charginos and neutralinos at the LHC / ATLAS Collaboration
Statistical combinations of searches for charginos and neutralinos using various decay channels are performed using $139\,$fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13\,$TeV with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2402.08347 ; CERN-EP-2024-018.
- 2024. - 27 p.
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2024-02-13
08:30
Performance of the ATLAS forward proton Time-of-Flight detector in Run 2
We present performance studies of the Time-of-Flight (ToF) subdetector of the ATLAS Forward Proton (AFP) detector at the LHC. [...]
CERN-EP-2024-004.
- 2024.
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2024-02-13
04:28
Performance of the ATLAS forward proton Time-of-Flight detector in Run 2 / ATLAS Collaboration
We present performance studies of the Time-of-Flight (ToF) subdetector of the ATLAS Forward Proton (AFP) detector at the LHC. [...]
CERN-EP-2024-004 ; arXiv:2402.06438.
- 49 p.
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2024-02-12
14:37
Jet measurements in small systems relevant for in-medium modifications / Radl, Attila Jozsef (Budapest, RMKI) /ALICE, ATLAS and CMS Collaborations
Ultrarelativistic heavy-ion collisions provide insights into the early stages of the expanding universe. The quark-gluon plasma (QGP) is a unique state of matter formed in such high-energy interactions. [...]
CMS-CR-2024-014.- Geneva : CERN, 2024 - 6 p. Fulltext: PDF;
In : 11th Large Hadron Collider Physics Conference 2023, Belgrade, Serbia, 22 - 26 May 2023

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2024-02-08
19:07
The performance of missing transverse momentum reconstruction and its significance with the ATLAS detector using 140 fb$^{-1}$ of $\sqrt{s}=13$ TeV $pp$ collisions / ATLAS Collaboration
This paper presents the reconstruction of missing transverse momentum ($p_{\text{T}}^{\text{miss}}$) in proton-proton collisions, at a center-of-mass energy of 13 TeV. [...]
arXiv:2402.05858 ; CERN-EP-2024-023.
- 2024. - 59 p.
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2024-02-08
18:56
Interpretations of the ATLAS measurements of Higgs boson production and decay rates and differential cross-sections in $pp$ collisions at $\sqrt{s}=13$ TeV / ATLAS Collaboration
Measurements of the Higgs boson production times decay rates and differential cross-sections have recently been performed by the ATLAS experiment in several decay channels using up to 139 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=13$ TeV recorded at the Large Hadron Collider. [...]
arXiv:2402.05742 ; CERN-EP-2024-017.
- 2024. - 89 p.
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