$J/\psi$ and ${\psi }^{\prime }$ suppression by comovers in Pb+Pb collisions

Abstract

Measurements of $\psi$ and ${\psi }^{\prime }$ production at the CERN SPS are compared to predictions based on a hadronic model of charmonium suppression. Detailed information is presented to facilitate comparison to other analyses. Sensitivity of these conclusions to the model parameters is discussed.

Talk at Quark Matter '96, Heidelberg. 11 pages Latex, 8 postscript figures, epsf

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