Can momentum correlations proof kinetic equilibration in heavy ion collisions at 160/A-GeV?

  • We perform an event-by-event analysis of the transverse momentum distribution of final state particles in central Pb(160AGeV)+Pb collisions within a microscopic non-equilibrium transport model (UrQMD). Strong influence of rescattering is found. The extracted momentum distributions show less fluctuations in A+A collisions than in p+p reactions. This is in contrast to simplified p+p extrapolations and random walk models.

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Author:Marcus BleicherORCiDGND, Mohamed Belkacem, Christoph Ernst, Henning WeberGND, Lars GerlandGND, Christian Spieles, Steffen A. BassORCiDGND, Horst StöckerORCiDGND, Walter GreinerGND
Document Type:Preprint
Date of Publication (online):2005/12/14
Year of first Publication:1998
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/12/14
Tag:Kollisionen schwerer Ionen; UrQMD Modell
Ultra-relativistic Quantum Molecular Dynamics model; heavy ion collisions
Source:Phys.Lett.B435:9-12,1998 ,
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht