``Pressure Equilibration'' in Ultrarelativistic Heavy Ion Collisions

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We study the time scale for pressure equilibration in heavy ion collisions at AGS energies within the three-fluid hydrodynamical model and a microscopic cascade model (UrQMD). We find that kinetic equilibrium is reached in both models after a time of 5 fm/c (center-of-mass time). Thus, observables which are sensitive to the early stage of the reaction differ considerably from the expectations within the instant thermalization scenario (one-fluid hydrodynamical model).
to be published in GSI annual scientific report 1997, psfig style file needed

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Nuclear Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/82739

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/nucl-th/9701045
 http://arxiv.org/abs/nucl-th/9701045
 GSI Scientific Report 1996 (ISSN 0174-0814) p.86

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arXiv