We estimate the energy losses in the cases of J/Psi and l^+l^- pair production on nuclear targets in terms of effective change of the initial beam energy. Our phenomenological results are in reasonable agreement with Theoretical calculations.
@article{arxiv.hep-ph/0510152,
title = {J/Psi and Drell-Yan pair production on nuclear targets},
author = {Ya. A. Berdnikov and M. M. Ryzhinskiy and Yu. M. Shabelski},
journal= {arXiv preprint arXiv:hep-ph/0510152},
year = {2009}
}