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J/ψ suppression and enhancement in Au+Au collisions at the BNL RHIC

  • We consider J/ψ production in heavy ion collisions at RHIC energies in the statistical coalescence model with exact (canonical ensemble) charm conservation. Charm quark–antiquark pairs are assumed to be created in primary hard parton collisions, but open and hidden charm particles are formed at the hadronization stage according to the laws of statistical mechanics. The dependence of the J/ψ production on both the number of nucleon participants and the collision energy is studied. The model predicts J/ψ suppression for low energies, whereas at the highest RHIC energy the model reveals J/ψ enhancement.

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Metadaten
Author:Mark I. GorensteinORCiDGND, Andriy P. KostyukORCiD, Horst StöckerORCiDGND, Walter GreinerGND
URN:urn:nbn:de:hebis:30:3-760227
DOI:https://doi.org/10.1016/S0370-2693(01)01362-4
ISSN:0370-2693
Parent Title (English):Physics Letters B
Publisher:North-Holland Publ.
Place of publication:Amsterdam [u.a.]
Document Type:Article
Language:English
Date of Publication (online):2001/12/06
Date of first Publication:2001/12/06
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2023/09/19
Volume:524
Issue:3
Page Number:8
First Page:265
Last Page:272
HeBIS-PPN:513358773
Institutes:Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
PACS-Classification:10.00.00 THE PHYSICS OF ELEMENTARY PARTICLES AND FIELDS (for experimental methods and instrumentation for elementary-particle physics, see section 29) / 12.00.00 Specific theories and interaction models; particle systematics / 12.40.-y Other models for strong interactions / 12.40.Ee Statistical models
20.00.00 NUCLEAR PHYSICS / 24.00.00 Nuclear reactions: general / 24.85.+p Quarks, gluons, and QCD in nuclear reactions
20.00.00 NUCLEAR PHYSICS / 25.00.00 Nuclear reactions: specific reactions / 25.75.-q Relativistic heavy-ion collisions (collisions induced by light ions studied to calibrate relativistic heavy-ion collisions should be classified under both 25.75.-q and sections 13 or 25 appropriate to the light ions)
20.00.00 NUCLEAR PHYSICS / 25.00.00 Nuclear reactions: specific reactions / 25.75.-q Relativistic heavy-ion collisions (collisions induced by light ions studied to calibrate relativistic heavy-ion collisions should be classified under both 25.75.-q and sections 13 or 25 appropriate to the light ions) / 25.75.Dw Particle and resonance production
Sammlungen:Universitätspublikationen
Licence (German):License LogoCreative Commons - Namensnennung 3.0

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