Direct Photon Production in Au+Au Collisions at RHIC-PHENIX Experiment

Details Direct Photon Production in Au+Au Collisions at RHIC-PHENIX Experiment Direct Photon Production in Au+Au Collisions at RHIC-PHENIX Experiment

2006-09-18

arxiv.org/abs/nucl-ex/0609028v2

Nucl.Phys.A783:569-572,2007

Physics

Nuclear Physics

Nuclear Experiment

4 pages, 5 figures. Contributed parallel talk at Hard Probes 2006, Asilomar CA USA, Jun. 9-16, 2006

Scientific paper

10.1016/j.nuclphysa.2006.11.118

Direct photons have been measured with the PHENIX experiment in Au+Au collisions at $\sqrt{s_\mathrm{NN}}$ = 200 GeV. The direct photon result obtained with PHENIX-EMCal up to 18 GeV/$c$ is consistent with the NLO pQCD calculation scaled by the nuclear overlap function. The measurement using internal conversion of photons into $e^+e^-$ shows the enhancement of the yield comparing with NLO pQCD calculation.

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