Transverse momentum spectra and elliptic flow in ideal hydrodynamics and geometric scaling

Details Transverse momentum spectra and elliptic flow in ideal hydrodynamics and geometric scaling Transverse momentum spectra and elliptic flow in ideal hydrodynamics and geometric scaling

2010-03-30

arxiv.org/abs/1003.5791v1

Physics

Nuclear Physics

Nuclear Theory

4 pages, 3 figures.

Scientific paper

In an ideal hydrodynamic model, with an equation of state where the confinement-deconfinement transition is a cross-over at $T_{co}=196 MeV$, we have simulated $\sqrt{s}$=200 GeV Au+Au collisions. Simultaneous description of the experimental charged particle's $p_T$ spectra and elliptic flow require that in central (0-10%) Au+Au collisions, initial energy density scales with the binary collision number density. In less central collisions, experimental data demand scaling with the participant density. Simulation studies also indicate that in central collisions viscous effects are minimal.

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