Major State Basic Research Development Program of China(973Program)(2008CB317100,2008CB317106);National Natural Science Foundation of China(10635020,10575044)~~
Azimuthal anisotropy of direct photon is measured in S_(NN)^(1/2)=200GeV Au+Au collisions at RHIC- PHENIX.Direct photon is one of the most effective probes to study properties of hot dence medium at initial state(also...