Hydrodynamics and perfect fluids: uniform description of soft observables in Au+Au collisions at RHIC

Details Hydrodynamics and perfect fluids: uniform description of soft observables in Au+Au collisions at RHIC Hydrodynamics and perfect fluids: uniform description of soft observables in Au+Au collisions at RHIC

2008-11-23

arxiv.org/abs/0811.3761v1

Physics

Nuclear Physics

Nuclear Theory

Talk presented by WF at the XXXVIII International Symposium on Multiparticle Physics

Scientific paper

It is argued that the use of the initial Gaussian energy density profile for hydrodynamics leads to much better uniform description of the RHIC heavy-ion data than the use of the standard initial condition obtained from the Glauber model. With the modified Gaussian initial conditions we successfully reproduce the transverse-momentum spectra, v2, and the pionic HBT radii (including their azimuthal dependence). The emerging consistent picture of hadron production hints that a solution of the long standing RHIC HBT puzzle has been found.

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