Cold nuclear matter effects on J/ψ productionin d-Au collisions

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The medium modifications of J/ψ production in d-Au collisions at(sNN)~1/2 = 200 GeV are studied in the Glauber model.By means of the c.m.energy loss parameter per collision studied in Drell-Yan process,taking account of the inhomogeneous shadowing effect,we find that the initial-state energy loss effect can be ignored in d-Au collisions at mid-rapidity.Then,the final-state J/ψ absorption effect is also considered and the theoretical results are in good agreement with the recent experimental data given by PHENIX.Finally,the experimental results of J/ψ production in d-Pb collisions are also predicted at RHIC and LHC energies respectively. The medium modifications of J / ψ production in d-Au collisions at (sNN) ~ ½ = 200 GeV are studied in the Glauber model. By means of the cmenergy loss parameter per collision studied in Drell-Yan process, taking account of the inhomogeneous shadowing effect, we find that the initial-state energy loss effect can be ignored in d-Au collisions at mid-rapidity. Then, the final-state J / ψ absorption effect is also considered and the theoretical results are in good agreement with the recent experimental data given by PHENIX. Finally, the experimental results of J / ψ production in d-Pb collisions are also predicted at RHIC and LHC energies respectively.
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