Universal scaling of the rapidity dependent elliptic flow and the perfect fluid at RHIC

Details Universal scaling of the rapidity dependent elliptic flow and the perfect fluid at RHIC Universal scaling of the rapidity dependent elliptic flow and the perfect fluid at RHIC

2005-09-30

arxiv.org/abs/nucl-th/0509106v2

Nucl.Phys.A774:535-538,2006

Physics

Nuclear Physics

Nuclear Theory

4 pages, 1 figure, talk given at the 18th International Conference on Ultra Relativistic Nucleus-Nucleus Collisions (Quark Mat

Scientific paper

10.1016/j.nuclphysa.2006.06.081

The pseudo-rapidity dependence of the elliptic flow at various excitation energies measured by the PHOBOS Collaboration in Au+Au collisions at RHIC is one of the surprising results that has not been explained before in terms of hydrodynamical models. Here we show that these data are in agreement with theoretical predictions based on perfect fluid hydrodynamics. We also show that these PHOBOS data satisfy the universal scaling relation predicted by the Buda-Lund hydrodynamical model, based on exact solutions of perfect fluid hydrodynamics.

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