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arXiv · 0801.4949

Transverse momentum dependence of J/psi shadowing effects

E. G. Ferreiro·F. Fleuret·A. Rakotozafindrabe
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Abstract

We present a new approach to estimate the effect of the gluon shadowing in nucleus+nucleus collisions and its consequences on the J/psi production yield. Using kinematical information available from the measured J/psi production in proton+proton collisions at \sqrt s = 200 GeV, we build a Glauber Monte Carlo code which takes into account shadowing in two alternative ways: multiple scattering corrections or Q2 evolution of parton densities. We exploit the dependence of these different parameterizations to the J/psi transverse momentum and we give the first predictions on the resulting pT dependence of the nuclear modification factor in deuteron+gold collisions at the same energy.

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E. G. Ferreiro, F. Fleuret, A. Rakotozafindrabe. 2008-03-06. Transverse momentum dependence of J/psi shadowing effects. https://doi.org/10.1140/epjc%2Fs10052-008-0843-8

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