Dissociation of expanding c anti-c states in heavy ion collisions

  • We study J/psi suppression in AB collisions assuming that the charmonium states evolve from small, color transparent configurations. Their interaction with nucleons and nonequilibrated, secondary hadrons is simulated using the microscopic model UrQMD. The Drell-Yan lepton pair yield and the J/psi Drell-Yan ratio are calculated as a function of the neutral transverse energy in Pb+Pb collisions at 160 GeV and found to be in reasonable agreement with existing data.

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Author:Christian Spieles, Ramona VogtORCiD, Lars GerlandGND, Steffen A. BassORCiDGND, Marcus BleicherORCiDGND, Leonid Frankfurt, Mark StrikmanORCiDGND, Horst StöckerORCiDGND, Walter GreinerGND
Parent Title (German):Physics letters B
Document Type:Article
Year of Completion:1999
Year of first Publication:1999
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2005/12/07
Tag:Drell-Yan; Kollisionen schwerer Ionen; Lepton; UrQMD; mikroskopisches Modell
Drell-Yan; UrQMD; heavy ion collisions; lepton; microscopic model
Page Number:6
First Page:137
Last Page:142
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
Licence (German):License LogoDeutsches Urheberrecht