116 Result(s)
within
**an-Tong Chen
Elementary Particles, Quantum Field Theory
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Article
Open AccessMeasurement of differential cross sections for single diffractive dissociation in \( \sqrt{s} \) = 8 TeV pp collisions using the ATLAS ALFA spectrometer
A dedicated sample of Large Hadron Collider proton-proton collision data at centre-of-mass energy s ...
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Article
Open AccessMeasurement of J/ψ production in association with a W± boson with pp data at 8 TeV
A measurement of the production of a prompt J/ψ meson in association with a W± boson with W± → μν and J/ψ → μ+μ− is presented for J/ψ transverse momenta in the range 8.5–150 GeV and rapidity |yJ/ψ| < 2.1 using AT...
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Open AccessFluctuations of anisotropic flow in Pb+Pb collisions at \( \sqrt{{\mathrm{s}}_{\mathrm{NN}}} \) = 5.02 TeV with the ATLAS detector
Multi-particle azimuthal cumulants are measured as a function of centrality and transverse momentum using 470 μb−1 of Pb+Pb collisions at sNN\( \sqrt{s_{\mathrm{NN}}} \) = 5.02 TeV with the ATLAS detector at the ...
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Open AccessSearch for bottom-squark pair production with the ATLAS detector in final states containing Higgs bosons, b-jets and missing transverse momentum
The result of a search for the pair production of the lightest supersymmetric partner of the bottom quark ...
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Open AccessMeasurement of the top-quark mass in \( t\overline{t} \) + 1-jet events collected with the ATLAS detector in pp collisions at \( \sqrt{s} \) = 8 TeV
A determination of the top-quark mass is presented using 20.2 fb−1 of 8 TeV proton-proton collision data produced by the Large Hadron Collider and collected by the ATLAS experiment. The normalised differential cr...
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Open AccessSearch for heavy neutral leptons in decays of W bosons produced in 13 TeV pp collisions using prompt and displaced signatures with the ATLAS detector
The problems of neutrino masses, matter-antimatter asymmetry, and dark matter could be successfully addressed by postulating right-handed neutrinos with Majorana masses below the electroweak scale. In this wor...
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Open AccessMeasurement of the inclusive isolated-photon cross section in pp collisions at \( \sqrt{s} \) = 13 TeV using 36 fb−1 of ATLAS data
The differential cross section for isolated-photon production in pp collisions is measured at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC using an integrated luminosity of 36.1 fb−1. The ...
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Open AccessMeasurement of ZZ production in the ℓℓνν final state with the ATLAS detector in pp collisions at \( \sqrt{s} \) = 13 TeV
This paper presents a measurement of ZZ production with the ATLAS detector at the Large Hadron Collider. The measurement is carried out in the final state with two charged leptons and two neutrinos, using data co...
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Open AccessSearch for diboson resonances in hadronic final states in 139 fb−1 of pp collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
Narrow resonances decaying into W W, W Z or ZZ boson pairs are searched for in 139 fb−1 of proton-proton collision data at a centre-of-mass energy of ...
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Article
Open AccessMeasurement of jet-substructure observables in top quark, W boson and light jet production in proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
A measurement of jet substructure observables is presented using data collected in 2016 by the ATLAS experiment at the LHC with proton-proton collisions at ...
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Article
Open AccessElectron reconstruction and identification in the ATLAS experiment using the 2015 and 2016 LHC proton–proton collision data at \(\sqrt{s} = 13\) \(\text {TeV}\)
Algorithms used for the reconstruction and identification of electrons in the central region of the ATLAS detector at the Large Hadron Collider (LHC) are presented in this paper; these algorithms are used in A...
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Open AccessConstraints on mediator-based dark matter and scalar dark energy models using \( \sqrt{s} \) = 13 TeV pp collision data collected by the ATLAS detector
Constraints on selected mediator-based dark matter models and a scalar dark energy model using up to 37 fb−1 ...
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Open AccessMeasurement of VH, \( \mathrm{H}\to \mathrm{b}\overline{\mathrm{b}} \) production as a function of the vector-boson transverse momentum in 13 TeV pp collisions with the ATLAS detector
Cross-sections of associated production of a Higgs boson decaying into bottomquark pairs and an electroweak gauge boson, W or Z, decaying into leptons are measured as a function of the gauge boson transverse mome...
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Open AccessCombinations of single-top-quark production cross-section measurements and |fLVVtb| determinations at \( \sqrt{s} \) = 7 and 8 TeV with the ATLAS and CMS experiments
This paper presents the combinations of single-top-quark production cross-section measurements by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at
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Article
Open AccessSearch for large missing transverse momentum in association with one top-quark in proton-proton collisions at \( \sqrt{s} \) = 13 TeV with the ATLAS detector
This paper describes a search for events with one top-quark and large missing transverse momentum in the final state. Data collected during 2015 and 2016 by the ATLAS experiment from 13 TeV proton–proton colli...
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Open AccessMeasurement of the four-lepton invariant mass spectrum in 13 TeV proton-proton collisions with the ATLAS detector
A measurement of the four-lepton invariant mass spectrum is made with the ATLAS detector, using an integrated luminosity of 36.1 fb−1 of proton-proton collisions at
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Open AccessMeasurement of the photon identification efficiencies with the ATLAS detector using LHC Run 2 data collected in 2015 and 2016
The efficiency of the photon identification criteria in the ATLAS detector is measured using \(36.1\hbox { fb}^1\) ...
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Article
Open AccessMeasurement of the \( Z\gamma \to \nu \overline{\nu}\gamma \) production cross section in pp collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector and limits on anomalous triple gauge-boson couplings
The production of Z bosons in association with a high-energy photon (Zγ production) is studied in the neutrino decay channel of the Z boson using pp collisions at
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Open AccessOperation and performance of the ATLAS Tile Calorimeter in Run 1
The Tile Calorimeter is the hadron calorimeter covering the central region of the ATLAS experiment at the Large Hadron Collider. Approximately 10,000 photomultipliers collect light from scintillating tiles act...
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Open AccessMeasurement of colour flow using jet-pull observables in \(t\bar{t}\) events with the ATLAS experiment at \(\sqrt{s} = 13\,\hbox {TeV}\)
Previous studies have shown that weighted angular moments derived from jet constituents encode the colour connections between partons that seed the jets. This paper presents measurements of two such distributi...
