Incident-energy dependence of the effective temperature in heavy-ion collisions

We study the behaviour of the effective temperature for K+ in several energy domains. For this purpose, we apply the recently developed SPheRIO code for hydrodynamics in 3+1 dimensions, using both Landau-type compact ini
We study the behaviour of the effective temperature for K+ in several energy domains. For this purpose, we apply the recently developed SPheRIO code for hydrodynamics in 3+1 dimensions, using both Landau-type compact initial conditions and spatially more spread ones. We show that initial conditions given in small volume, like Landau-type ones, are unable to reproduce the effective temperature together with other data (multiplicities and rapidity distributions). These quantities can be reproduced altogether only when using a large initial volume with an appropriate velocity distribution.
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Metadaten
Author:Marek Gazdzicki, Mark I. Gorenstein, Frederique Grassi, Yogiro Hama, Takeshi Kodama, Otavio Jr. Socolowski
URN:urn:nbn:de:hebis:30-16384
Document Type:Preprint
Language:English
Date of Publication (online):2005/09/27
Year of first Publication:2003
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2005/09/27
Source:Braz.J.Phys. 34 (2004) , http://arxiv.org/abs/hep-ph/0309192
HeBIS PPN:188868372
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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