Saturation Physics in Heavy Ion Collisions

Details Saturation Physics in Heavy Ion Collisions Saturation Physics in Heavy Ion Collisions

2003-08-06

arxiv.org/abs/hep-ph/0308076v1

AIP Conf.Proc.698:685-689,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 2 figures, Proceedings of CIPANP 2003, New York City, May 19-24, 2003

Scientific paper

10.1063/1.1664328

We discuss expectations of saturation physics for various observables in heavy ion collisions. We show how simple saturation-inspired assumptions about particle production in heavy ion collisions lead to Kharzeev-Levin-Nardi model. Comparing this model to RHIC data on particle multiplicities we conclude that saturation effects may play an important role in particle production and dynamics at the early stages of Au-Au collisions already at RHIC energies. We then estimate the contribution of the initial state two-particle azimuthal correlations to elliptic flow observable v_2 in Au-Au collisions by constructing a lower bound on these non-flow effects based on v_2 obtained from the analysis of proton-proton (pp) collisions.

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