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ATLAS Preprints

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2024-03-01
12:08
Searches for exclusive Higgs boson decays into $D^*\gamma$ and $Z$ boson decays into $D^0\gamma$ and $K^0_s\gamma$ in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Searches for the exclusive decays of the Higgs boson into $D^*\gamma$ and of the $Z$ boson into $D^0\gamma$ and $K^0_s\gamma$ can probe flavour-violating Higgs and $Z$ boson couplings to light quarks. [...]
CERN-EP-2024-037.
- 2024.
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2024-02-27
08:42
Search for invisible particles produced in association with single top quarks in proton–proton collisions at $\sqrt{s}$=13 TeV with the ATLAS detector / ATLAS Collaboration
A search for events with one top quark and missing transverse momentum in the final state is presented. [...]
arXiv:2402.16561 ; CERN-EP-2024-046.
- 2024. - 54 p, 54 p.
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2024-02-26
12:31
Search for high-mass resonances in final states with a tau-lepton and missing transverse momentum with the ATLAS detector / ATLAS Collaboration
A search for high-mass resonances decaying into a tau-lepton and a neutrino using proton–proton collisions at a center-of-mass energy of $\sqrt{s}= 13$ TeV is presented. [...]
arXiv:2402.16576 ; CERN-EP-2023-298.
- 2024. - 42 p, 42 p.
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2024-02-26
12:17
Studies of the energy dependence of diboson polarization fractions and the Radiation Amplitude Zero effect in WZ production with the ATLAS detector / ATLAS Collaboration
This Letter presents the first study of the energy-dependence of diboson polarization fractions in $WZ \rightarrow \ell\nu \ell'\ell'~(\ell, \ell'=e, \mu)$ production. [...]
arXiv:2402.16365 ; CERN-EP-2024-045.
- 2024. - 32 p, 32 p.
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2024-02-26
09:52
Search for a new $Z'$ gauge boson via the $pp \rightarrow W^{\pm(*)} \rightarrow Z' \mu^{\pm} \nu \rightarrow \mu^{\pm}\mu^{\mp}\mu^{\pm}\nu$ process in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for a new $Z'$ gauge boson predicted by $L_{\mu}-L_{\tau}$ models, based on charged-current Drell-Yan production, $pp \rightarrow W^{\pm(*)} \rightarrow Z' \mu^{\pm} \nu \rightarrow \mu^{\pm}\mu^{\mp}\mu^{\pm}\nu$, is presented. [...]
arXiv:2402.15212 ; CERN-EP-2024-042.
- 2024. - 38 p.
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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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