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Mott mechanism and anomalous charmonium suppression

1997/02/19 by K. Martins, D. Blaschke, Martins, K. +1
Physics and Astronomy · #FOS: Physical sciences #Nuclear Theory (nucl-th) #nucl-th

paper · pdf · doi:10.48550/arxiv.nucl-th/9702044

6 pages, LaTeX, 2 eps figures, To appear in: Proceedings of the International Workshop on Gross Properties of Nuclei and Nuclear Excitations XXV "QCD Phase Transitions", Hirschegg, Jan 13-18, 1997

arxiv created 1997/02/23 · arxiv updated 2009/12/01

Abstract

We investigate a scenario where conditions for Mott dissociation of charmonium are fulfilled locally in ultrarelativistic heavy ion collisions at the short time scales before hadronization and study possible consequences to be drawn from observation of ``anomalous'' thresholds in the J/ψsuppression pattern. We suggest that for a compilation of experiments with different kinematics, variables presently in use to display the observed suppression pattern should be rescaled by the γ factor of the c c state relative to the participant center of mass. This systematics can be tested by inverse kinematics experiments as, e.g., Pb-S collisions and by sampling data sets in pT and y of the dimuon pairs.

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