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Open Access Publications from the University of California

Xf dependence of psi and Drell-Yan production


We discuss the nuclear dependence of psi and psi' production in hadron-nucleus interactions as a function of longitudinal momentum fraction x_F. Nuclear effects such as final-state absorption, interactions with comovers, shadowing of parton distributions, energy loss, and intrinsic heavy-quark components are described separately and incorporated into the model which is then compared to the preliminary E866 data. The resulting nuclear dependence of Drell-Yan production at 800 GeV and proposed measurements of psi, psi' and Drell-Yan production at 120 GeV are also calculated.

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