Hadron production in relativistic nuclear collisions : Thermal hadron source or hadronizing quark-gluon plasma?

Measured hadron yields from relativistic nuclear collisions can be equally well understood in two physically distinct models, namely a static thermal hadronic source vs. a time-dependent, nonequilibrium hadronization o a
Measured hadron yields from relativistic nuclear collisions can be equally well understood in two physically distinct models, namely a static thermal hadronic source vs. a time-dependent, nonequilibrium hadronization o a quark-gluon plasma droplet. Due to the time-dependent particle evapora- tion o the hadronic surface in the latter approach the hadron ratios change (by factors of <H 5) in time. Final particle yields reflect time averages over the actual thermodynamic properties of the system at a certain stage of the evolution. Calculated hadron, strangelet and (anti-)cluster yields as well as freeze-out times are presented for di erent systems. Due to strangeness distillation the system moves rapidly out of the T, µq plane into the µs-sector. Classif.: 25.75.Dw, 12.38.Mh, 24.85.+p
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Metadaten
Author:Christian Spieles, Horst Stöcker, Carsten Greiner
URN:urn:nbn:de:hebis:30-23576
ArXiv Id:http://arxiv.org/abs/nucl-th/9704008
Document Type:Preprint
Language:English
Date of Publication (online):2006/01/16
Year of first Publication:1997
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2006/01/16
Tag:Kernkollisionen; QGP; Quark-Gluon-Plasma
QGP; nuclear collisions; quark-gluon-plasma
Source:Eur.Phys.J.C2:351-358,1998. [nucl-th/9704008]
HeBIS PPN:185295312
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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