338 Result(s)
within
Lang-** Zhang
Quantum Physics
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Article
Open AccessMeasurement of the production cross section of jets in association with a Z boson in pp collisions at \( \sqrt{s}=7 \) TeV with the ATLAS detector
Measurements of the production of jets of particles in association with a Z boson in pp collisions at \( \sqrt{s}=7 \) TeV are pr...
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Open AccessPerformance of jet substructure techniques for large-R jets in proton-proton collisions at \( \sqrt{s}=7 \) TeV using the ATLAS detector
This paper presents the application of a variety of techniques to study jet substructure. The performance of various modified jet algorithms, or jet grooming techniques, for several jet types and event topologies...
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Open AccessMeasurement of the differential cross-section of B + meson production in pp collisions at \( \sqrt{s}=7 \) TeV at ATLAS
The production cross-section of B + mesons is measured as a function of transverse momentum p T and rapidity y in proton-proton collisions at centre-of-mass energy
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Open AccessSearch for new phenomena in final states with large jet multiplicities and missing transverse momentum at \( \sqrt{s}=8 \) TeV proton-proton collisions using the ATLAS experiment
A search is presented for new particles decaying to large numbers (7 or more) of jets, with missing transverse momentum and no isolated electrons or muons. This analysis uses 20.3 fb−1 of pp collision data at ...
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Open AccessSearch for direct third-generation squark pair production in final states with missing transverse momentum and two b-jets in \( \sqrt{s}=8 \) TeV pp collisions with the ATLAS detector
The results of a search for pair production of supersymmetric partners of the Standard Model third-generation quarks are reported. This search uses 20.1 fb−1 of pp collisions at
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Open AccessMeasurement of the top quark charge in pp collisions at \( \sqrt{s}=7 \) TeV with the ATLAS detector
A measurement of the top quark electric charge is carried out in the ATLAS experiment at the Large Hadron Collider using 2.05 fb−1 of data at a centre-of-mass energy of 7 TeV. In units of the elementary electric ...
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Article
Open AccessMeasurement of the distributions of event-by-event flow harmonics in lead-lead collisions at \( \sqrt{{{s_{NN }}}} \) = 2.76 TeV with the ATLAS detector at the LHC
The distributions of event-by-event harmonic flow coefficients v n for n = 2- 4 are measured in ...
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Open AccessErratum: Search for new phenomena in final states with large jet multiplicities and missing transverse momentum at \( \sqrt{s} \) = 8 TeV proton-proton collisions using the ATLAS experiment
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Open AccessMeasurement of the top quark pair production charge asymmetry in proton-proton collisions at \( \sqrt{s} \) = 7 TeV using the ATLAS detector
This paper presents a measurement of the top quark pair ( \( t\overline{t} \) ) production charge asymmetry A ...
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Open AccessMeasurement of the electroweak production of dijets in association with a Z-boson and distributions sensitive to vector boson fusion in proton-proton collisions at \( \sqrt{s} \) = 8 TeV using the ATLAS detector
Measurements of fiducial cross sections for the electroweak production of two jets in association with a Z-boson are presented. The measurements are performed using 20.3 fb−1 of proton-proton collision data colle...
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Open AccessMeasurement of the production cross section of prompt J/ψ mesons in association with a W ± boson in pp collisions at \( \sqrt{s} \) = 7 TeV with the ATLAS detector
The process pp → W ± J/ψ provides a powerful probe of the production mechanism of charmonium in hadronic collisions, and is also sensitive to multiple parton interactions in the co...
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Open AccessSearch for direct production of charginos and neutralinos in events with three leptons and missing transverse momentum in \( \sqrt{s} \) = 8 TeV pp collisions with the ATLAS detector
A search for the direct production of charginos and neutralinos in final states with three leptons and missing transverse momentum is presented. The analysis is based on 20.3 fb−1 of
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Open AccessMeasurement of dijet cross-sections in pp collisions at 7 TeV centre-of-mass energy using the ATLAS detector
Double-differential dijet cross-sections measured in pp collisions at the LHC with a 7 TeV centre-of-mass energy are presented as functions of dijet mass and half the rapidity separation of the two highest-p ...
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Open AccessMeasurement of the production of a W boson in association with a charm quark in pp collisions at \( \sqrt{s} \) = 7 TeV with the ATLAS detector
The production of a W boson in association with a single charm quark is studied using 4.6 fb−1 of pp collision data at \( \sqrt{s} \) ...
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Open AccessSearch for direct production of charginos, neutralinos and sleptons in final states with two leptons and missing transverse momentum in pp collisions at \( \sqrt{s} \) = 8TeV with the ATLAS detector
Searches for the electroweak production of charginos, neutralinos and sleptons in final states characterized by the presence of two leptons (electrons and muons) and missing transverse momentum are performed u...
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Open AccessSearch for supersymmetry at \(\sqrt{s}\) = 8 TeV in final states with jets and two same-sign leptons or three leptons with the ATLAS detector
A search for strongly produced supersymmetric particles is conducted using signatures involving multiple energetic jets and either two isolated leptons (e or μ) with the same electric charge, or at least three is...
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Open AccessSearch for top quark decays t → qH with H → γγ using the ATLAS detector
A search is performed for flavour-changing neutral currents in the decay of a top quark to an up-type (c, u) quark and a Higgs boson, where the Higgs boson decays to two photons. The proton-proton collision data ...
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Open AccessMeasurement of the low-mass Drell-Yan differential cross section at \( \sqrt{s} \) = 7 TeV using the ATLAS detector
The differential cross section for the process Z/γ ∗ → ℓℓ (ℓ = e, μ) as a function of dilepton invariant mass is measured in pp collisions at
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Open AccessSearch for direct top-squark pair production in final states with two leptons in pp collisions at \( \sqrt{s} \) = 8 TeV with the ATLAS detector
A search is presented for direct top-squark pair production in final states with two leptons (electrons or muons) of opposite charge using 20.3 fb−1 of pp collision data at
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Article
Open AccessMeasurement of χ c1 and χ c2 production with \( \sqrt{s} \) = 7 TeV pp collisions at ATLAS
The prompt and non-prompt production cross-sections for the χ c1 and χ c2 charmonium states are measured in pp collisions at ...
