ALICE potential for direct photon measurements in p-p and Pb-Pb collisions

The production of direct photons, not coming from hadron decays, at large transverse momentum pT > 2 GeV/c in proton-proton collisions at the LHC, is an interesting process to test the predictions of perturbative Quantum Chromodynamics at the highest energies ever and to put constraints on the gl...

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Detalles Bibliográficos
Autor principal: Ichou, Raphaelle
Lenguaje:eng
Publicado: 2011
Materias:
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1016/j.nuclphysa.2011.02.074
http://cds.cern.ch/record/1320861
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author Ichou, Raphaelle
author_facet Ichou, Raphaelle
author_sort Ichou, Raphaelle
collection CERN
description The production of direct photons, not coming from hadron decays, at large transverse momentum pT > 2 GeV/c in proton-proton collisions at the LHC, is an interesting process to test the predictions of perturbative Quantum Chromodynamics at the highest energies ever and to put constraints on the gluon density in the proton. Furthermore, they provide a baseline reference for quark-gluon-plasma studies in Pb-Pb collisions. We will present the experimental capabilities of the ALICE electromagnetic calorimeter EMCal to reconstruct the direct and isolated photon spectra in p-p and Pb-Pb collisions.
id cern-1320861
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2011
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spelling cern-13208612021-05-03T20:08:23Zdoi:10.1016/j.nuclphysa.2011.02.074http://cds.cern.ch/record/1320861engIchou, RaphaelleALICE potential for direct photon measurements in p-p and Pb-Pb collisionsParticle Physics - ExperimentThe production of direct photons, not coming from hadron decays, at large transverse momentum pT > 2 GeV/c in proton-proton collisions at the LHC, is an interesting process to test the predictions of perturbative Quantum Chromodynamics at the highest energies ever and to put constraints on the gluon density in the proton. Furthermore, they provide a baseline reference for quark-gluon-plasma studies in Pb-Pb collisions. We will present the experimental capabilities of the ALICE electromagnetic calorimeter EMCal to reconstruct the direct and isolated photon spectra in p-p and Pb-Pb collisions.arXiv:1101.1244oai:cds.cern.ch:13208612011-01-07
spellingShingle Particle Physics - Experiment
Ichou, Raphaelle
ALICE potential for direct photon measurements in p-p and Pb-Pb collisions
title ALICE potential for direct photon measurements in p-p and Pb-Pb collisions
title_full ALICE potential for direct photon measurements in p-p and Pb-Pb collisions
title_fullStr ALICE potential for direct photon measurements in p-p and Pb-Pb collisions
title_full_unstemmed ALICE potential for direct photon measurements in p-p and Pb-Pb collisions
title_short ALICE potential for direct photon measurements in p-p and Pb-Pb collisions
title_sort alice potential for direct photon measurements in p-p and pb-pb collisions
topic Particle Physics - Experiment
url https://dx.doi.org/10.1016/j.nuclphysa.2011.02.074
http://cds.cern.ch/record/1320861
work_keys_str_mv AT ichouraphaelle alicepotentialfordirectphotonmeasurementsinppandpbpbcollisions

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