117 Result(s)
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Open AccessMeasurement of associated J/ψ-ψ(2S) production cross-section in pp collisions at \( \sqrt{s} \) = 13 TeV
The cross-section of associated J/ψ-ψ(2S) production in proton-proton collisions at a centre-of-mass energy of ...
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Open AccessSearch for jet quenching effects in high-multiplicity pp collisions at \( \sqrt{s} \) = 13 TeV via di-jet acoplanarity
The ALICE Collaboration reports a search for jet quenching effects in high-multiplicity (HM) proton-proton collisions at ...
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Open AccessA search for rare B → Dμ+μ− decays
A search for rare B → Dμ+μ− decays is performed using proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb−1. No significant signals are observed in the...
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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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Open AccessSearch for a light charged Higgs boson in t → H±b decays, with H± → cb, in the lepton+jets final state in proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for a charged Higgs boson, H±, produced in top-quark decays, t → H±b, is presented. The search targets H± decays into a bottom and a charm quark, H± → cb. The analysis focuses on a selection enriched in ...
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Article
Open AccessAssociated production of prompt J/ψ and Υ mesons in pp collisions at \( \sqrt{s} \) = 13 TeV
The associated production of prompt J/ψ and Υ mesons in pp collisions at a centre-of-mass energy of s ...
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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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Article
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 new phenomena in multi-body invariant masses in events with at least one isolated lepton and two jets using \( \sqrt{s} \) = 13 TeV proton–proton collision data collected by the ATLAS detector
A search for resonances in events with at least one isolated lepton (e or μ) and two jets is performed using 139 fb−1 of ...
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Article
Open AccessSearch for \( t\overline{t}H/A\to t\overline{t}t\overline{t} \) production in the multilepton final state in proton–proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for a new heavy scalar or pseudo-scalar Higgs boson (H/A) produced in association with a pair of top quarks, with the Higgs boson decaying into a pair of top quarks (H/A →
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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 AccessMeasurement of the angle between jet axes in pp collisions at \( \sqrt{s} \) = 5.02 TeV
This article reports measurements of the angle between differently defined jet axes in pp collisions at ...
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Open AccessSearch for boosted diphoton resonances in the 10 to 70 GeV mass range using 138 fb−1 of 13 TeV pp collisions with the ATLAS detector
A search for diphoton resonances in the mass range between 10 and 70 GeV with the ATLAS experiment at the Large Hadron Collider (LHC) is presented. The analysis is based on pp collision data corresponding to an i...
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Article
Open AccessSearch for high-mass Wγ and Zγ resonances using hadronic W/Z boson decays from 139 fb−1 of pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A search for high-mass charged and neutral bosons decaying to Wγ and Zγ final states is presented in this paper. The analysis uses a data sample of ...
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Article
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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Article
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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Article
Open AccessSearch for a new Z′ gauge boson in 4μ events with the ATLAS experiment
This paper presents a search for a new Z′ vector gauge boson with the ATLAS experiment at the Large Hadron Collider using pp collision data collected at ...
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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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Article
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 ...