Eccentricity Fluctuation in Initial Conditions of Hydrodynamics

Details Eccentricity Fluctuation in Initial Conditions of Hydrodynamics Eccentricity Fluctuation in Initial Conditions of Hydrodynamics

2009-07-17

arxiv.org/abs/0907.2966v2

Nucl.Phys.A830:191c-194c,2009

Physics

Nuclear Physics

Nuclear Theory

4 pages, 3 figures, Proceedings for Quark Matter 2009, Knoxville TN, USA; v2: minor corrections

Scientific paper

10.1016/j.nuclphysa.2009.09.019

We study effects of eccentricity fluctuations on the elliptic flow coefficient v_2 at mid-rapidity in both Au+Au and Cu+Cu collisions at sqrt{s_{NN}}=200 GeV by using a hybrid model that combines ideal hydrodynamics for space-time evolution of the quark gluon plasma phase and a hadronic transport model for the hadronic matter. We find that the effect of eccentricity fluctuation is modest in semicentral Au+Au collisions but significantly enhances v_2 in Cu+Cu collisions.

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