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Search for \(t\bar{t}H/A \rightarrow t\bar{t}t\bar{t}\) production in proton–proton collisions at \(\sqrt{s}=13\) \(\text {TeV}\) with the ATLAS detector
A search is presented for a heavy scalar ( H ) or pseudo-scalar ( A ) predicted by the two-Higgs-doublet models, where the H / A is produced in association...
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Search for vector-like leptons coupling to first- and second-generation Standard Model leptons in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for pair production of vector-like leptons coupling to first- and second-generation Standard Model leptons is presented. The search is based...
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Test of lepton flavour universality in W-boson decays into electrons and τ-leptons using pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A measurement of the ratio of the branching fractions, R τ/e = B ( W → τν ) /B ( W → eν ), is performed using a sample of W bosons originating from top-quark...
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Search for light neutral particles decaying promptly into collimated pairs of electrons or muons in pp collisions at \(\sqrt{s}\) = 13 \(\text {T}\text {e}\hspace{-1.00006pt}\text {V}\) with the ATLAS detector
A search for a dark photon, a new light neutral particle, which decays promptly into collimated pairs of electrons or muons is presented. The search...
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Software and computing for Run 3 of the ATLAS experiment at the LHC
The ATLAS experiment has developed extensive software and distributed computing systems for Run 3 of the LHC. These systems are described in detail,...
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Differential cross-section measurements of Higgs boson production in the H → τ+τ− decay channel in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
Differential measurements of Higgs boson production in the τ -lepton-pair decay channel are presented in the gluon fusion, vector-boson fusion (VBF), VH ...
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Search for single-production of vector-like quarks decaying into Wb in the fully hadronic final state in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for T and Y vector-like quarks produced in proton-proton collisions at a centre-of-mass energy of 13 TeV and decaying into Wb in the fully...
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Search for the associated production of charm quarks and a Higgs boson decaying into a photon pair with the ATLAS detector
A search for the production of a Higgs boson and one or more charm quarks, in which the Higgs boson decays into a photon pair, is presented. This...
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Total Cost of Ownership and Evaluation of Google Cloud Resources for the ATLAS Experiment at the LHC
The ATLAS Google Project was established as part of an ongoing evaluation of the use of commercial clouds by the ATLAS Collaboration, in anticipation...
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Search for boosted low-mass resonances decaying into hadrons produced in association with a photon in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
Many extensions of the Standard Model, including those with dark matter particles, propose new mediator particles that decay into hadrons. This paper...
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Search for diphoton resonances in the 66 to 110 GeV mass range using pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search is performed for light, spin-0 bosons decaying into two photons in the 66 to 110 GeV mass range, using 140 fb − 1 of proton-proton collisions...
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