Transverse momentum spectra of J/psi and psi prime mesons from quark gluon plasma hadronization in nuclear collisions

Recent results on transverse mass spectra of J/psi and psi prime mesons in central Pb+Pb collisions at 158 AGeV are considered. It is shown that those results support a hypothesis of statistical production of charmonia a
Recent results on transverse mass spectra of J/psi and psi prime mesons in central Pb+Pb collisions at 158 AGeV are considered. It is shown that those results support a hypothesis of statistical production of charmonia at hadronization and suggest the early thermal freeze-out of J/psi and psi prime mesons. Based on this approach the collective transverse velocity of hadronizing quark gluon plasma is estimated to be <v^H_T> \approx 0.2. Predictions for transverse mass spectra of hidden and open charm mesons at SPS and RHIC are discussed.
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Metadaten
Author:Kyrill A. Bugaev, Marek Gazdzicki, Mark I. Gorenstein
URN:urn:nbn:de:hebis:30-16576
Document Type:Preprint
Language:English
Date of Publication (online):2005/09/27
Year of first Publication:2001
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2005/09/27
Tag:early freeze–out ; inverse slope parameter; statistical production of charmonia ; transverse flow
Source:Phys.Lett. B523 (2001), http://arxiv.org/abs/hep-ph/0106342
HeBIS PPN:185529186
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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