Phenomenology of $x_F$ Dependence of Quarkonium Production in Proton-Nucleus Interactions

Abstract

We present a phenomenological study of the $x_F$ dependence of quarkonium production in high energy proton-nucleus collisions. The \xf~dependence of comover contributions is introduced to account for the observed quarkonium suppression at low $x_F$. Combining comover contributions, nuclear shadowing effect, energy loss mechanism and nuclear absorption together we reproduce the overall \xf~dependence of E772/E789 data.

Comments: 11 pages(Latex), 4 uuencoded figures