The role of quantum effects and nonequilibrium transport coefficients for relativistic heavy ion collisions

Stopping power and thermalization in relativistic heavy ion collisions is investigated employing the quantum molecular dynamics approach. For heavy systems stopping of the incoming nuclei is predicted, independent of the
Stopping power and thermalization in relativistic heavy ion collisions is investigated employing the quantum molecular dynamics approach. For heavy systems stopping of the incoming nuclei is predicted, independent of the energy. The influence of the quantum effects and their increasing importance at low energies, is demonstrated by inspection of the mean free path of the nucleons and the n-n collision number. Classical models, which neglect these effects, overestimate the stopping and the thermalization as well as the collective flow and squeeze out. The sensitivity of the transverse and longitudinal momentum transfer to the in-medium cross section and to the pressure is investigated.
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Metadaten
Author:M. Berenguer, C. Hartnack, G. Peilert, Horst Stöcker, Walter Greiner, Jörg Aichelin, A. Rosenhauer
URN:urn:nbn:de:hebis:30-27105
Document Type:Article
Language:English
Date of Publication (online):2006/05/29
Year of first Publication:1992
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2006/05/29
Source:J.Phys. G18:655-679, 1992 ; http://www.iop.org/EJ/abstract/0954-3899/18/4/005
HeBIS PPN:188724052
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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