First results are reported on J/psi and Drell-Yan cross-sections in Pb-Pb reactions at 158 GeV/c per nucleon. The ratio of cross-sections sigma(J/psi)/sigma(DY) is studied as a function of the impact parameter of the collision estimated from the measured transverse energy. (C) 1997 Elsevier Science B.V.
J/psi and Drell-Yan cross-sections in Pb-Pb interactions at 158 GeV/c per nucleon
DE FALCO, ALESSANDRO;PUDDU, GIOVANNA;USAI, GIANLUCA;
1997-01-01
Abstract
First results are reported on J/psi and Drell-Yan cross-sections in Pb-Pb reactions at 158 GeV/c per nucleon. The ratio of cross-sections sigma(J/psi)/sigma(DY) is studied as a function of the impact parameter of the collision estimated from the measured transverse energy. (C) 1997 Elsevier Science B.V.
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