Results on ${\psi }^{\prime }$ production in nucleus-nucleus collisions at CERN-SPS

Abstract

We report results on ${\psi }^{\prime }$ production as a function of centrality as measured by experiment NA50, at the CERN/SPS, in Pb-Pb collisions at an incident energy of 158 GeV per nucleon.

4 pages, 6 figures, contributed paper to the XXXIXth Rencontres de Moriond (QCD and High Energy Hadronic Interactions), La Thuile (Italy), Mar.28-Apr.4,2004