263 Result(s)
within
**-sen Xu
Quantum Physics
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Article
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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Open AccessMeasurements of multijet event isotropies using optimal transport with the ATLAS detector
A measurement of novel event shapes quantifying the isotropy of collider events is performed in 140 fb−1 of proton-proton collisions with ...
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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 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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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 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 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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Article
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 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 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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Article
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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Article
Open AccessSearches for lepton-flavour-violating decays of the Higgs boson into eτ and μτ in \( \sqrt{s} \) = 13 TeV pp collisions with the ATLAS detector
This paper presents direct searches for lepton flavour violation in Higgs boson decays, H → eτ and H → μτ, performed using data collected with the ATLAS detector at the LHC. The searches are based on a data sampl...
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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 AccessInclusive and differential cross-sections for dilepton \( t\overline{t} \) production measured in \( \sqrt{s} \) = 13 TeV pp collisions with the ATLAS detector
Differential and double-differential distributions of kinematic variables of leptons from decays of top-quark pairs ( t ...
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Article
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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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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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 ...
