Chemical equilibration due to heavy Hagedorn states

  • A scenario of heavy resonances, called massive Hagedorn states, is proposed which exhibits a fast (t H 1 fm/c) chemical equilibration of (strange) baryons and anti-baryons at the QCD critical temperature Tc. For relativistic heavy ion collisions this scenario predicts that hadronization is followed by a brief expansion phase during which the equilibration rate is higher than the expansion rate, so that baryons and antibaryons reach chemical equilibrium before chemical freeze-out occurs. PACS-Nr.: 12.38.Mh

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Author:Carsten GreinerGND, Peter Koch-SteinheimerORCiDGND, Fu-Ming Liu, Ihor Andrijovyč ŠovkovyjORCiDGND, Horst StöckerORCiDGND
ArXiv Id:
Document Type:Preprint
Date of Publication (online):2005/11/08
Year of first Publication:2004
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/11/08
Tag:Chemische Gleichgewichtherstellung; schwere Hagedorn Zustände
Chemical equilibration; heavy Hagedorn states
Source:Invited talk given at 8th International Conference on Strangeness in Quark Matter (SQM2004), Cape Town, South Africa, 15-20September 2004, J.Phys. G31 (2005) S725-S732,
Institutes:Physik / Physik
Wissenschaftliche Zentren und koordinierte Programme / Frankfurt Institute for Advanced Studies (FIAS)
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht