66 Result(s)
within
**-fang Zhai
English
Elementary Particles, Quantum Field Theory
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Article
Open AccessObservation of four-top-quark production in the multilepton final state with the ATLAS detector
This paper presents the observation of four-top-quark ( \(t\bar{t}t\bar{t}\) t ...
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Open AccessMeasurement of \(Z\gamma \gamma \) production in pp collisions at \(\sqrt{s}= 13\) TeV with the ATLAS detector
Cross-sections for the production of a Z boson in association with two photons are measured in proton–proton collisions at a centre-of-mass energy of 13 TeV. The data used correspond to an integrated luminosity o...
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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 AccessSearch for supersymmetry in final states with missing transverse momentum and three or more b-jets in 139 fb \(^{-1}\) of proton–proton collisions at \(\sqrt{s} = 13\) TeV with the ATLAS detector
A search for supersymmetry involving the pair production of gluinos decaying via off-shell third-generation squarks into the lightest neutralino ...
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Open AccessSearch for leptonic charge asymmetry in \( t\overline{t}W \) production in final states with three leptons at \( \sqrt{s} \) = 13 TeV
A search for the leptonic charge asymmetry ( A c ℓ ...
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Open AccessCharged-hadron production in pp, p+Pb, Pb+Pb, and Xe+Xe collisions at \( \sqrt{s_{\textrm{NN}}} \) = 5 TeV with the ATLAS detector at the LHC
This paper presents measurements of charged-hadron spectra obtained in pp, p+Pb, and Pb+Pb collisions at ...
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Open AccessDetermination of the strong coupling constant from transverse energy-energy correlations in multijet events at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
Measurements of transverse energy-energy correlations and their associated azimuthal asymmetries in multijet events are presented. The analysis is performed using a data sample corresponding to 139 fb−1 of proton...
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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 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 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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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 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 AccessSearch for an axion-like particle with forward proton scattering in association with photon pairs at ATLAS
A search for forward proton scattering in association with light-by-light scattering mediated by an axion-like particle is presented, using the ATLAS Forward Proton spectrometer to detect scattered protons and...
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Article
Open AccessATLAS flavour-tagging algorithms for the LHC Run 2 pp collision dataset
The flavour-tagging algorithms developed by the ATLAS Collaboration and used to analyse its dataset of \(\sqrt{s} = 13\) ...
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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 ...
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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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Article
Open AccessCalibration of the light-flavour jet mistagging efficiency of the b-tagging algorithms with Z+jets events using 139 \(\textrm{fb}^{-1}\) of ATLAS proton–proton collision data at \(\sqrt{s} = 13\) TeV
The identification of b-jets, referred to as b-tagging, is an important part of many physics analyses in the ATLAS experiment at the Large Hadron Collider and an accurate calibration of its performance is essenti...
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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 AccessNew techniques for jet calibration with the ATLAS detector
A determination of the jet energy scale is presented using proton–proton collision data with a centre-of-mass energy of \(\sqrt{s}=13\) ...
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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 \(WW^{*} \rightarrow e\nu \mu \nu \) ...
