0000000000170899

AUTHOR

M.p. Geisler

showing 4 related works from this author

Measurement of exclusive γγ→ℓ+ℓ− production in proton–proton collisions at s=7 TeV with the ATLAS detector

2015

This Letter reports a measurement of the exclusive gamma gamma -> l(+)l(-) (l = e, mu) cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV by the ATLAS experiment at the LHC, based on an integrated luminosity of 4.6 fb(-1). For the electron or muon pairs satisfying exclusive selection criteria, a fit to the dilepton acoplanarity distribution is used to extract the fiducial cross-sections. The cross-section in the electron channel is determined to be sigma(excl)(gamma gamma -> e+e-) = 0.428 +/- 0.035 (stat.) +/- 0.018 (syst.) pbfor a phase-space region with invariant mass of the electron pairs greater than 24GeV, in which both electrons have transverse momentum p(T)…

PhysicsNuclear and High Energy PhysicsParticle physicsLarge Hadron ColliderMuonProtonATLAS experimentAcoplanarityNuclear physicsmedicine.anatomical_structureAtlas (anatomy)PseudorapiditymedicineHigh Energy Physics::ExperimentInvariant massNuclear ExperimentPhysics Letters B
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High-ET isolated-photon plus jets production in pp collisions at s=8 TeV with the ATLAS detector

2017

The dynamics of isolated-photon plus one-, two- and three-jet production in pp collisions at a centre-of-mass energy of 8 TeV are studied with the ATLAS detector at the LHC using a data set with an ...

Quantum chromodynamicsPhysicsNuclear and High Energy PhysicsParticle physicsPhotonLarge Hadron ColliderPhysics::Instrumentation and Detectors010308 nuclear & particles physicsAtlas detectorAstrophysics::High Energy Astrophysical Phenomena01 natural sciences7. Clean energyNuclear physics0103 physical sciencesTransverse momentumHigh Energy Physics::Experiment010306 general physicsNuclear Physics B
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Measurement of D⁎±, D± and Ds± meson production cross sections in pp collisions at s=7 TeV with the ATLAS detector

2016

The production of D*(+/-), D-+/- and D-S(+/-) charmed mesons has been measured with the ATLAS detector in pp collisions at,/7s = 7 TeV at the LHC, using data corresponding to an integrated luminosi ...

Quantum chromodynamicsPhysicsNuclear and High Energy PhysicsParticle physicsMeson productionLarge Hadron ColliderMesonPhysics::Instrumentation and Detectors010308 nuclear & particles physicsAtlas detectorHigh Energy Physics::PhenomenologyDeep inelastic scattering01 natural sciences7. Clean energymedicine.anatomical_structureAtlas (anatomy)0103 physical sciencesTransverse momentummedicineHigh Energy Physics::ExperimentNuclear Experiment010306 general physicsNuclear Physics B
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Transverse momentum, rapidity, and centrality dependence of inclusive charged-particle production in sNN=5.02 TeV p+ Pb collisions measured by the AT…

2016

Measurements of the per-event charged-particle yield as a function of the charged-particle transverse momentum and rapidity are performed using p+Pbp+Pb collision data collected by the ATLAS experiment at the LHC at a centre-of-mass energy of sqrt (SNN) = 5.01 TeV. Charged particles are reconstructed over pseudorapidity |η|<2.3|η|<2.3 and transverse momentum between 0.1 GeV0.1 GeV and 22 GeV22 GeV in a dataset corresponding to an integrated luminosity of 1 μb−11 μb−1. The results are presented in the form of charged-particle nuclear modification factors, where the p+Pbp+Pb charged-particle multiplicities are compared between central and peripheral p+Pbp+Pb collisions as well as to charged-p…

PhysicsNuclear and High Energy PhysicsParticle physicsLarge Hadron ColliderLuminosity (scattering theory)Proton010308 nuclear & particles physics01 natural sciencesCharged particleNuclear physicsPseudorapidity0103 physical sciencesRapidityNuclear Experiment010306 general physicsNucleonGlauberPhysics Letters B
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