406 Result(s)
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Open AccessTowards a muon collider
A muon collider would enable the big jump ahead in energy reach that is needed for a fruitful exploration of fundamental interactions. The challenges of producing muon collisions at high luminosity and 10 TeV ...
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Open AccessSearch for dark matter produced in association with a Higgs boson decaying to tau leptons at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for dark matter produced in association with a Higgs boson in final states with two hadronically decaying τ-leptons and missing transverse momentum is presented. The analysis uses 139 fb−1 of proton-prot...
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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 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 AccessCombination of inclusive top-quark pair production cross-section measurements using ATLAS and CMS data at \( \sqrt{s} \) = 7 and 8 TeV
A combination of measurements of the inclusive top-quark pair production cross-section performed by ATLAS and CMS in proton–proton collisions at centre-of-mass energies of 7 and 8 TeV at the LHC is presented. ...
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Open AccessA search for heavy Higgs bosons decaying into vector bosons in same-sign two-lepton final states in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for heavy Higgs bosons produced in association with a vector boson and decaying into a pair of vector bosons is performed in final states with two leptons (electrons or muons) of the same electric cha...
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Open AccessSearch for a new scalar resonance in flavour-changing neutral-current top-quark decays t → qX (q = u, c), with X → \( b\overline{b} \) , in proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for flavour-changing neutral-current decays of a top quark into an up-type quark (either up or charm) and a light scalar particle X decaying into a bottom anti-bottom quark pair is presented. The search ...
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Open AccessModel-independent search for the presence of new physics in events including H → γγ with \( \sqrt{s} \) = 13 TeV pp data recorded by the ATLAS detector at the LHC
A model-independent search for new physics leading to final states containing a Higgs boson, with a mass of 125.09 GeV, decaying to a pair of photons is performed with 139 fb−1 of
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Open AccessSearch for dark photons from Higgs boson decays via ZH production with a photon plus missing transverse momentum signature from pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
This paper describes a search for dark photons (γd) in proton-proton collisions at s ...
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Open AccessSearch for dark matter produced in association with a dark Higgs boson decaying into W+W− in the one-lepton final state at \( \sqrt{s} \) = 13 TeV using 139 fb−1 of pp collisions recorded with the ATLAS detector
Several extensions of the Standard Model predict the production of dark matter particles at the LHC. A search for dark matter particles produced in association with a dark Higgs boson decaying into W+W− in the ...
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Open AccessSearch for third-generation vector-like leptons in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for vector-like leptons in multilepton (two, three, or four-or-more electrons plus muons) final states with zero or more hadronic τ-lepton decays is presented. The search is performed using a dataset cor...
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Open AccessMeasurement of the properties of Higgs boson production at \( \sqrt{s} \) = 13 TeV in the H → γγ channel using 139 fb−1 of pp collision data with the ATLAS experiment
Measurements of Higgs boson production cross-sections are carried out in the diphoton decay channel using 139 fb−1 of pp collision data at ...
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Open AccessInclusive-photon production and its dependence on photon isolation in pp collisions at \( \sqrt{s} \) = 13 TeV using 139 fb−1 of ATLAS data
Measurements of differential cross sections are presented for inclusive isolated-photon production in pp collisions at a centre-of-mass energy of 13 TeV provided by the LHC and using 139 fb−1 of data recorded by ...
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Open AccessMeasurements of Zγ+jets differential cross sections in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
Differential cross-section measurements of Zγ production in association with hadronic jets are presented, using the full 139 fb−1 dataset of ...
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Open AccessSearch for new phenomena in final states with photons, jets and missing transverse momentum in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for new phenomena has been performed in final states with at least one isolated high-momentum photon, jets and missing transverse momentum in proton–proton collisions at a centre-of-mass energy of ...
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Open AccessSearch for long-lived, massive particles in events with displaced vertices and multiple jets in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for long-lived particles decaying into hadrons is presented. The analysis uses 139 fb−1 of pp collision data collected at ...
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Open AccessSearch for excited τ-leptons and leptoquarks in the final state with τ-leptons and jets in pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search is reported for excited τ-leptons and leptoquarks in events with two hadronically decaying τ-leptons and two or more jets. The search uses proton-proton (pp) collision data at
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Open AccessMeasurement of single top-quark production in the s-channel in proton–proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A measurement of single top-quark production in the s-channel is performed in proton–proton collisions at a centre-of-mass energy of 13 TeV with the ATLAS detector at the CERN Large Hadron Collider. The datase...
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Open AccessSearch for pair-produced scalar and vector leptoquarks decaying into third-generation quarks and first- or second-generation leptons in pp collisions with the ATLAS detector
A search for pair-produced scalar and vector leptoquarks decaying into quarks and leptons of different generations is presented. It uses the full LHC Run 2 (2015–2018) data set of 139 fb−1 collected with the ATLA...
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Open AccessSearch for heavy, long-lived, charged particles with large ionisation energy loss in pp collisions at \( \sqrt{s} \) = 13 TeV using the ATLAS experiment and the full Run 2 dataset
This paper presents a search for hypothetical massive, charged, long-lived particles with the ATLAS detector at the LHC using an integrated luminosity of 139 fb−1 of proton–proton collisions at