Supercooling of rapidly expanding quark-gluon plasma

We reexamine the scenario of homogeneous nucleation of the quark-gluon plasma produced in ultra-relativistic heavy ion collisions. A generalization of the standard nucleation theory to rapidly expanding system is propose
We reexamine the scenario of homogeneous nucleation of the quark-gluon plasma produced in ultra-relativistic heavy ion collisions. A generalization of the standard nucleation theory to rapidly expanding system is proposed. The nucleation rate is derived via the new scaling parameter Z. It is shown that the size distribution of hadronic clusters plays an important role in the dynamics of the phase transition. The longitudinally expanding system is supercooled to about 3 6%, then it is reheated, and the hadronization is completed within 6 10 fm/c, i.e. 5 10 times faster than it was estimated earlier, in a strongly nonequilibrium way. PACS: 12.38.Mh; 12.39.Ba; 25.75.-q; 64.60.Qb
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Metadaten
Author:Eugene E. Zabrodin, Larissa V. Bravina, László Pal Csernai, Horst Stöcker, Walter Greiner
URN:urn:nbn:de:hebis:30-23082
Document Type:Preprint
Language:English
Date of Publication (online):2005/12/12
Year of first Publication:1998
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2005/12/12
Tag:Bjorken Modell; Phasenübergang ; Quark Gluon Plasma ; homogene Nukleation
Bjorken model; Cluster distribution ; Homogeneous nucleation ; QGP hadrons phase transition
Source:Phys.Lett.B423:373-378,1998. [hep-ph/9806207]
HeBIS PPN:185321763
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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