108 Result(s)
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Open AccessSearch for new particles in final states with a boosted top quark and missing transverse momentum in proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for events with one top quark and missing transverse momentum in the final state is presented. The fully hadronic decay of the top quark is explored by selecting events with a reconstructed boosted to...
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Open AccessA search for R-parity-violating supersymmetry in final states containing many jets in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for R-parity-violating supersymmetry in final states with high jet multiplicity is presented. The search uses 140 fb−1 of proton-proton collision data at
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Open AccessSearch for new phenomena with top-quark pairs and large missing transverse momentum using 140 fb−1 of pp collision data at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search is conducted for new phenomena in events with a top quark pair and large missing transverse momentum, where the top quark pair is reconstructed in final states with one isolated electron or muon and m...
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Open AccessSearch for a CP-odd Higgs boson decaying into a heavy CP-even Higgs boson and a Z boson in the \( {\ell}^{+}{\ell}^{-}t\overline{t} \) and \( \nu \overline{\nu}b\overline{b} \) final states using 140 fb−1 of data collected with the ATLAS detector
A search for a heavy CP-odd Higgs boson, A, decaying into a Z boson and a heavy CP-even Higgs boson, H, is presented. It uses the full LHC Run 2 dataset of pp collisions at
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Open AccessSearch for resonant production of dark quarks in the dijet final state with the ATLAS detector
This paper presents a search for a new Z′ resonance decaying into a pair of dark quarks which hadronise into dark hadrons before promptly decaying back as Standard Model particles. This analysis is based on proto...
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Open AccessSearch for pair production of squarks or gluinos decaying via sleptons or weak bosons in final states with two same-sign or three leptons with the ATLAS detector
A search for pair production of squarks or gluinos decaying via sleptons or weak bosons is reported. The search targets a final state with exactly two leptons with same-sign electric charge or at least three l...
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Open AccessMeasurement of the \(H \rightarrow \gamma \gamma \) and \(H \rightarrow ZZ^* \rightarrow 4 \ell \) cross-sections in pp collisions at \(\sqrt{s}=13.6\) TeV with the ATLAS detector
The inclusive Higgs boson production cross-section is measured in the di-photon and the \(ZZ^* \rightarrow 4 \ell \) ...
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Open AccessStudies of new Higgs boson interactions through nonresonant HH production in the \( b\overline{b}\gamma \gamma \) final state in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for nonresonant Higgs boson pair production in the b b
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Open AccessSearch for single vector-like B quark production and decay via B → bH( \( b\overline{b} \) ) in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search is presented for single production of a vector-like B quark decaying into a Standard Model b-quark and a Standard Model Higgs boson, which decays into a
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Article
Open AccessSearch for direct production of winos and higgsinos in events with two same-charge leptons or three leptons in pp collision data at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for supersymmetry targeting the direct production of winos and higgsinos is conducted in final states with either two leptons (e or μ) with the same electric charge, or three leptons. The analysis uses 1...
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Article
Open AccessLuminosity determination in pp collisions at \(\sqrt{s}=13\) TeV using the ATLAS detector at the LHC
The luminosity determination for the ATLAS detector at the LHC during Run 2 is presented, with pp collisions at a centre-of-mass energy $$\sqr...
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Open AccessSearch for periodic signals in the dielectron and diphoton invariant mass spectra using 139 fb−1 of pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for physics beyond the Standard Model inducing periodic signals in the dielectron and diphoton invariant mass spectra is presented using 139 fb−1 of ...
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Open AccessMeasurement of the \( {B}_s^0 \) → μμ effective lifetime with the ATLAS detector
This paper reports the first ATLAS measurement of the B s 0 ...
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Open AccessSearch for Majorana neutrinos in same-sign WW scattering events from pp collisions at \(\sqrt{s}=13\) TeV
A search for Majorana neutrinos in same-sign WW scattering events is presented. The analysis uses \(\sqrt{s}= 13\) ...
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Open AccessSearches for exclusive Higgs and Z boson decays into a vector quarkonium state and a photon using 139 fb \(^{-1}\) of ATLAS \(\sqrt{s}=13\) TeV proton–proton collision data
Searches for the exclusive decays of Higgs and Z bosons into a vector quarkonium state and a photon are performed in the $$\mu ^+\mu ^-\,\gamm...
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Open AccessMeasurements of differential cross sections of Higgs boson production through gluon fusion in the \(H\rightarrow WW^{*}\rightarrow e\nu \mu \nu \) final state at \(\sqrt{s} = 13\) TeV with the ATLAS detector
Higgs boson production via gluon–gluon fusion is measured in the \(WW^{*} \rightarrow e\nu \mu \nu \) ...
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Open AccessSearch for single production of vector-like T quarks decaying into Ht or Zt in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
This paper describes a search for the single production of an up-type vector-like quark (T) decaying as T → Ht or T → Zt. The search utilises a dataset of pp collisions at
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Open AccessEvidence for the charge asymmetry in pp → \( t\overline{t} \) production at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
Inclusive and differential measurements of the top–antitop ( t t
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Open AccessSearch for pair-produced vector-like top and bottom partners in events with large missing transverse momentum in pp collisions with the ATLAS detector
A search for pair-produced vector-like quarks using events with exactly one lepton (e or \(\mu \) μ ...
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Open AccessStudies of the muon momentum calibration and performance of the ATLAS detector with pp collisions at \(\sqrt{s}=13\) TeV
This paper presents the muon momentum calibration and performance studies for the ATLAS detector based on the pp collisions data sample produced at ...