The effect of early chemical freeze out on radial and elliptic flow from a full 3D hydrodynamic model

Details The effect of early chemical freeze out on radial and elliptic flow from a full 3D hydrodynamic model The effect of early chemical freeze out on radial and elliptic flow from a full 3D hydrodynamic model

2002-02-11

arxiv.org/abs/nucl-th/0202033v1

Physics

Nuclear Physics

Nuclear Theory

6 pages, 3 figures, talk presented at Hirschegg2002: Ultrarelativistic Heavy-Ion Collisions, Hirschegg, Austria, January 13-19

Scientific paper

We investigate the effect of early chemical freeze-out on radial and elliptic flow by using a fully three dimensional hydrodynamic model. We find that the time evolution of temperature and the thermal freeze-out temperature dependence of average radial flow are different from the results by using a conventional hydrodynamic model in which chemical equilibrium is always assumed. We also analyse the p_t spectrum and v_2(p_t) at the RHIC energy and consistently reproduce experimental data by choosing the thermal freeze-out temperature T_th = 140 MeV.

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