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

  • The medium modifications of J/ψ production in d-Au collisions at √sNN=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.

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WANG Hong-Min, HOU Zhao-Yu and SUN Xian-Jing. Cold nuclear matter effects on J/ψ production in d-Au collisions[J]. Chinese Physics C, 2008, 32(11): 892-896. doi: 10.1088/1674-1137/32/11/009
WANG Hong-Min, HOU Zhao-Yu and SUN Xian-Jing. Cold nuclear matter effects on J/ψ production in d-Au collisions[J]. Chinese Physics C, 2008, 32(11): 892-896.  doi: 10.1088/1674-1137/32/11/009 shu
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Received: 2008-02-03
Revised: 2008-03-02
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Cold nuclear matter effects on J/ψ production in d-Au collisions

    Corresponding author: WANG Hong-Min,

Abstract: 

The medium modifications of J/ψ production in d-Au collisions at √sNN=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.

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