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

WANG Hong-Min; HOU Zhao-Yu; SUN Xian-Jing

doi:10.1088/1674-1137/32/11/009

Chinese Physics C> 2008, Vol. 32> Issue(11) : 892-896 DOI: 10.1088/1674-1137/32/11/009

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

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The medium modifications of J/ψ production in d-Au collisions at √s_NN=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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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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

Corresponding author: WANG Hong-Min,

Received Date: 2008-02-03

Accepted Date: 2008-03-02

Available Online: 2008-11-05

Abstract:

The medium modifications of J/ψ production in d-Au collisions at √s_NN=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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Cold nuclear matter effects on J/ψ production in d-Au collisions

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