Energy loss and x2 scaling breakdown in J/ψ nuclear production
F. Arleo, P. -B. Gossiaux, T. Gousset, J. Aichelin
Abstract
In addition to the final-state interactions, J/ψ nuclear production might also be affected by parton energy loss. Using the upper limits from Drell-Yan data at SPS and Fermilab energies, we estimated energy loss contribution to J/ψ production in p-A collisions. The results indicated that the effects might be sizeable at 200 GeV while remaining small at higher energies.
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