321 Result(s)
within
**ang-ming Xu
Elementary Particles, Quantum Field Theory
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Article
Open AccessDetermination of jet calibration and energy resolution in proton–proton collisions at \(\sqrt{s} = 8~\hbox {TeV}\) using the ATLAS detector
The jet energy scale, jet energy resolution, and their systematic uncertainties are measured for jets reconstructed with the ATLAS detector in 2012 using proton–proton data produced at a centre-of-mass energy ...
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Article
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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Article
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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Article
Open AccessTransverse parton distribution and fragmentation functions at NNLO: the quark case
We revisit the calculation of perturbative quark transverse momentum de- pendent parton distribution functions and fragmentation functions using the exponential regulator for rapidity divergences. We show that...
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Article
Open AccessMeasurement of distributions sensitive to the underlying event in inclusive Z boson production in pp collisions at \(\sqrt{s}\) = 13 TeV with the ATLAS detector
This paper presents measurements of charged-particle distributions sensitive to the properties of the underlying event in events containing a ...
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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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Article
Open AccessMeasurements of inclusive and differential fiducial cross-sections of \(t\bar{t}\gamma \) production in leptonic final states at \(\sqrt{s}=13~\text {TeV}\) in ATLAS
Inclusive and differential cross-sections for the production of a top-quark pair in association with a photon are measured with proton-proton collision data corresponding to an integrated luminosity of 36.1 ...
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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 AccessIn situ calibration of large-radius jet energy and mass in 13 TeV proton–proton collisions with the ATLAS detector
The response of the ATLAS detector to large-radius jets is measured in situ using 36.2 fb \(^{-1}\) ...
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Article
Open AccessSearch for doubly charged scalar bosons decaying into same-sign W boson pairs with the ATLAS detector
A search for doubly charged scalar bosons decaying into W boson pairs is presented. It uses a data sample from proton–proton collisions corresponding to an integrated luminosity of 36.1 fb
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Article
Open AccessMeasurement of the azimuthal anisotropy of charged particles produced in \(\sqrt{s_{_\text {NN}}}\) = 5.02 TeV Pb+Pb collisions with the ATLAS detector
Measurements of the azimuthal anisotropy in lead–lead collisions at \(\sqrt{s_{_\text {NN}}}\)
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Article
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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Article
Open AccessPerformance of missing transverse momentum reconstruction with the ATLAS detector using proton–proton collisions at \(\sqrt{s}=13~\hbox {TeV}\)
The performance of the missing transverse momentum ( \(E_{\mathrm{T}}^{\mathrm{miss}}\) ...
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Article
Open AccessSearch for the Higgs boson produced in association with a vector boson and decaying into two spin-zero particles in the H → aa → 4b channel in pp collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector
A search for exotic decays of the Higgs boson into a pair of spin-zero particles, H → aa, where the a-boson decay sin to b-quarks promptly or with a mean proper lifetime cτa up to 6 mm and has a mass in the range...
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Article
Open AccessPrompt and non-prompt \(J/\psi \) and \(\psi (2\mathrm {S})\) suppression at high transverse momentum in \(5.02~\mathrm {TeV}\) Pb+Pb collisions with the ATLAS experiment
A measurement of \(J/\psi \) J ...
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Article
Open AccessSearch for supersymmetry in final states with charm jets and missing transverse momentum in 13 TeV pp collisions with the ATLAS detector
A search for supersymmetric partners of top quarks decaying as ...
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Article
Open AccessSearch for Higgs boson decays to beyond-the-Standard-Model light bosons in four-lepton events with the ATLAS detector at \( \sqrt{s}=13 \) TeV
A search is conducted for a beyond-the-Standard-Model boson using events where a Higgs boson with mass 125 GeV decays to four leptons (ℓ = e or μ). This decay is presumed to occur via an intermediate state which ...
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Open AccessSearch for supersymmetry in final states with missing transverse momentum and multiple b-jets in proton-proton collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector
A search for supersymmetry involving the pair production of gluinos decaying via third-generation squarks into the lightest neutralino ...
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Article
Open AccessSearch for top-squark pair production in final states with one lepton, jets, and missing transverse momentum using 36 fb−1 of \( \sqrt{s}=13 \) TeV pp collision data with the ATLAS detector
The results of a search for the direct pair production of top squarks, the supersymmetric partner of the top quark, in final states with one isolated electron or muon, several energetic jets, and missing trans...
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Article
Open AccessSearch for long-lived charginos based on a disappearing-track signature in pp collisions at \( \sqrt{s}=13 \) TeV with the ATLAS detector
This paper presents a search for direct electroweak gaugino or gluino pair production with a chargino nearly mass-degenerate with a stable neutralino. It is based on an integrated luminosity of 36.1 fb−1 of pp co...
