Parton shadowing and $J/\psi$-to-Drell-Yan ratio in nuclear collisions at SPS and FAIR

Partha Pratim Bhaduri, A. K. Chaudhuri, Subhasis Chattopadhyay

We have analyzed the data on $J/\psi$-to-Drell-Yan production cross section ratio in proton-nucleus ($p+A$) and nucleus-nucleus ($A+A$) collisions, measured by the NA50 collaboration…