A Systematic Study on Direct Photon Production from Central Heavy Ion Collisions

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dc.creatorLiu, Fu-Ming
dc.creatorWerner, Klaus
dc.date2007-12-21
dc.date2007-12-29
dc.date.accessioned2026-07-07T12:35:56Z
dc.date.available2026-07-07T12:35:56Z
dc.descriptionWe investigate the production of direct photons in central Au-Au collisions at the relativistic Heavy-Ion Collider (RHIC) at 200 GeV per nucleon, considering all possible sources. We treat thermal photons emitted from a quark-gluon plasma and from a hadron gas, based on a realistic thermodynamic expansion. Hard photons from elementary nucleon-nucleon scatterings are included: primordial elementary scatterings are certainly dominant at large transverse momenta, but also secondary photons from jet fragmentation and jet-photon conversion cannot be ignored. In both cases we study the effect of energy loss, and we also consider photons emitted from bremsstrahlung gluons via fragmentation.
dc.description13 pages 19 figures
dc.identifierhttps://arxiv.org/abs/0712.3619
dc.identifierhttp://arxiv.org/abs/0712.3619
dc.identifierJ.Phys.G36:035101,2009
dc.identifierdoi:10.1088/0954-3899/36/3/035101
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/217926
dc.subjectHigh Energy Physics - Phenomenology
dc.titleA Systematic Study on Direct Photon Production from Central Heavy Ion Collisions
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