Transverse hydrodynamics and the early-thermalization problem at RHIC

Details Transverse hydrodynamics and the early-thermalization problem at RHIC Transverse hydrodynamics and the early-thermalization problem at RHIC

2010-07-27

arxiv.org/abs/1007.4718v1

J.Phys.Conf.Ser.270:012024,2011

Physics

Nuclear Physics

Nuclear Theory

To appear in the conference proceedings for Hot Quarks 2010 Conference in June 21-26, La Londe-les-Maures, French Riviera, 4 p

Scientific paper

10.1088/1742-6596/270/1/012024

The problem of early thermalization of matter produced in relativistic heavy-ion collisions at RHIC is discussed in the framework of a hybrid model that consists of the transverse-hydrodynamics stage followed by the standard perfect-fluid hydrodynamics stage and freeze-out. The two hydrodynamic regimes are connected with the help of Landau matching conditions. A satisfactory description of the soft hadronic observables is achieved. This indicates that the early-thermalization problem and also the HBT puzzle may be to large extent circumvented.

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