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 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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Author:Marek GaździckiORCiD, Mark I. GorensteinORCiDGND, Frederique GrassiORCiD, Yogiro HamaORCiD, Takeshi KodamaORCiD, Otavio SocolowskiORCiD
ArXiv Id:
Parent Title (German):Brazilian journal of physics
Document Type:Preprint
Date of Publication (online):2003/09/17
Date of first Publication:2003/09/17
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/09/27
Preprint, später: Brazilian journal of physics, 34.2004, 1a, S. 322-325
Source:Braz.J.Phys. 34 (2004) ,
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht