Direct Photon Production in 158 A GeV 208Pb + 208Pb collisions

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dc.creatorWA98 Collaboration
dc.creatorAggarwal, M. M.
dc.date2000-06-11
dc.date2000-06-13
dc.date.accessioned2026-07-07T05:36:39Z
dc.date.available2026-07-07T05:36:39Z
dc.descriptionA measurement of direct photon production in 208Pb + 208Pb collisions at 158 A GeV has been carried out in the CERN WA98 experiment. The invariant yield or upper limit of direct photons as a function of transverse momentum in the interval 0.5 < p_T < 4 GeV/c is presented. A significant direct photon excess is observed at p_T > 1.5 GeV/c in central collisions. The results are compared to proton-induced results and to theoretical predictions. Implications for the dynamics of high-energy heavy-ion collisions are discussed.
dc.description56 pages, 33 figures. Submitted to Phys. Rev. C
dc.identifierhttps://arxiv.org/abs/nucl-ex/0006007
dc.identifierhttp://arxiv.org/abs/nucl-ex/0006007
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/81066
dc.subjectNuclear Experiment
dc.titleDirect Photon Production in 158 A GeV 208Pb + 208Pb collisions
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