Impact parameter dependencies in Pb(160 AGeV)+Pb reactions : hydrodynamical vs. cascade calculations

  • We investigate the impact parameter dependence of the specific entropy S/A in relativistic heavy ion collisions. Especially the anti-Lambda/anti-proton ratio is found to be a useful tool to distinguish between chemical equilibrium assumptions assumed in hydrodynamics (here: the 3-fluid model) and the chemical non-equilibrium scenario like in microscopic models as the UrQMD model.

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Metadaten
Author:Jörg BrachmannGND, Manuel Reiter, Marcus BleicherORCiDGND, Adrian Bogdan DumitruGND, Joachim MaruhnORCiDGND, Horst StöckerORCiDGND, Walter GreinerGND
URN:urn:nbn:de:hebis:30-20361
Document Type:Preprint
Language:English
Date of Publication (online):2005/11/01
Year of first Publication:1999
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/11/01
Source:http://www.arxiv.org/abs/nucl-th/9901057, Contribution to the GSI annual scientific report 1998
HeBIS-PPN:185413188
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht