What we have learned so far from 3-fluid hydrodynamics

Details What we have learned so far from 3-fluid hydrodynamics What we have learned so far from 3-fluid hydrodynamics

2007-10-19

arxiv.org/abs/0710.3708v2

PoSCPOD07:008,2007

Physics

Nuclear Physics

Nuclear Theory

10 pages, 7 figures. Contributed to 4th International Workshop on Critical Point and Onset Deconfinement, Darmstadt, Germany,

Scientific paper

Available data on heavy-ion collisions at AGS and SPS energies are analyzed using a 3-fluid dynamical model within a purely hadronic scenario. We investigate the problems met in reproducing these data within this scheme. In particular, we try to indicate those data which could point towards the occurrence of a phase transition into the quark-gluon phase. We also discuss the success of the model in reproducing the transverse-mass spectra of various hadrons. We argue that the simultaneous reproduction of the inverse-slope parameters of all considered particles may imply that these particles belong to the same hydrodynamic flow at the instant of their freeze-out rather than that it signals the onset of a phase transition.

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