Abstract
We report the measurement of anisotropic flow at RHIC - PHENIX experiment. We present the v 4 results at s NN = 200 GeV in Au+Au collision. The scaling ratio of v 4 / ( v 2 ) 2 is about 1.5 and it is found to be smaller than the prediction from simple coalescence model. The v 2 for high p T identified particles (∼ 5 GeV/c) measured with Aerogel Cherenkov Counter are presented. We discuss the constituent quark scaling of v 2 for identified particles. We also report the first observation of v 2 for inclusive charged hadrons as well as identified hadrons at s NN = 200 GeV in Cu+Cu collisions. The system size dependence of v 2 and scaling properties are discussed.
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