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

Tadaaki Isobe

doi:10.1016/j.nuclphysa.2006.11.118

paper

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

arXiv:nucl-ex/0609028 · doi:10.1016/j.nuclphysa.2006.11.118

Abstract

Direct photons have been measured with the PHENIX experiment in Au+Au collisions at $s_{NN}$ = 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.

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