Microscopic analysis of thermodynamic parameters from 160 MeV/n - 160 GeV/n

  • Microscopic calculations of central collisions between heavy nuclei are used to study fragment production and the creation of collective flow. It is shown that the final phase space distributions are compatible with the expectations from a thermally equilibrated source, which in addition exhibits a collective transverse expansion. However, the microscopic analyses of the transient states in the reaction stages of highest density and during the expansion show that the system does not reach global equilibrium. Even if a considerable amount of equilibration is assumed, the connection of the measurable final state to the macroscopic parameters, e.g. the temperature, of the transient "equilibrium" state remains ambiguous.

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Author:Marcus BleicherORCiDGND, Steffen A. BassORCiDGND, Mohamed Belkacem, Jörg BrachmannGND, Mathias Brandstetter, Christoph Ernst, Lars GerlandGND, Jens Konopka, Sven SoffORCiD, Christian Spieles, Henning WeberGND, Horst StöckerORCiDGND, Walter GreinerGND
ArXiv Id:http://arxiv.org/abs/nucl-th/9704065
Editor:Ileana Iori
Document Type:Preprint
Year of Completion:1997
Year of first Publication:1997
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/04/14
Page Number:13
First Page:1
Last Page:13
Preprint, erschienen in: Ileana Iori (Hrsg.): Proceedings of the XXXV International Winter Meeting on Nuclear Physics : Bormio, Italy, Milano : Università degli Studi di Milano, 1997, Ricerca scientifica ed educazione permanente. Supplemento ; 110
Source:http://de.arxiv.org/abs/nucl-th/9704065 , Proceedings of the Winter Meeting in Nuclear Physics (1997), Bormio (Italy)
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht