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arXiv · hep-ph/0411378

Shadowing and Absorption Effects on J/psi Production in dA Collisions

R. Vogt
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Abstract

We study medium modifications of J/psi production in cold nuclear media in deuterium-nucleus collisions. We discuss several parameterizations of the modifications of the parton densities in the nucleus, known as shadowing, an initial-state effect. We also include absorption of the produced J/psi by nucleons, a final-state effect. Both spatially homogeneous and inhomogeneous shadowing and absorption are considered. We use the number of binary nucleon-nucleon collisions as a centrality measure. Results are presented for d+Au collisions at sqrt{S_{NN}} = 200 GeV and for d+Pb collisions at sqrt{S_{NN}} = 6.2 TeV. To contrast the centrality dependence in pA and dA collisions, we also present pPb results at sqrt{S_{NN}} = 8.8 TeV.

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R. Vogt. 2004-11-29. Shadowing and Absorption Effects on J/psi Production in dA Collisions. https://doi.org/10.1103/physrevc.71.054902

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