CERN Accelerating science

ATLAS Papers

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2024-03-05
09:05
Measurement of $t$-channel production of single top quarks and antiquarks in $pp$ collisions at 13 TeV using the full ATLAS Run 2 data sample
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 LHC using $140\,\mathrm{fb^{-1}}$ of ATLAS data. [...]
CERN-EP-2023-289.
- 2024.
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2024-03-05
08:11
The quest to discover supersymmetry at the ATLAS experiment
The search for supersymmetry with the ATLAS experiment at the CERN Large Hadron Collider intensified after the discovery of the Higgs boson in 2012. [...]
CERN-EP-2024-056.
- 2024.
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2024-03-05
08:05
Precise test of lepton flavour universality in $W$-boson decays into muons and electrons in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
The ratio of branching ratios of the $W$ boson to muons and electrons, $R^{\mu/e}_W=B(W\rightarrow \mu\nu)/B(W\rightarrow e\nu)$, has been measured using 140 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}=13$ TeV collected with the ATLAS detector at the LHC, probing the universality of lepton couplings. [...]
CERN-EP-2024-063.
- 2024.
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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 / ATLAS Collaboration
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. [...]
arXiv:2402.18731 ; CERN-EP-2024-037.
- 2024. - 38 p, 38 p.
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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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