Charmonium Formation and Suppression in Nuclear Matter

  • The coupling Schrodinger equations describing the evolution of c`c states in nuclear matter are analytically and systematically solved via perturbation method,and the correlation between charmonium formation and nuclear absorption is investigated. After calculating J/ψ and ψ′suppression in nucleon-nucleus collisions and comparing with experiment data, it is found that the formation time effect plays an important rule in charmonium suppression, especially in ψ′suppression.
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XU Jia-Jun, WANG Jia, ZHUANG Chao and ZHUANG Peng-Fei. Charmonium Formation and Suppression in Nuclear Matter[J]. Chinese Physics C, 2005, 29(5): 442-446.
XU Jia-Jun, WANG Jia, ZHUANG Chao and ZHUANG Peng-Fei. Charmonium Formation and Suppression in Nuclear Matter[J]. Chinese Physics C, 2005, 29(5): 442-446. shu
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Received: 2004-02-16
Revised: 1900-01-01
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Charmonium Formation and Suppression in Nuclear Matter

    Corresponding author: ZHUANG Peng-Fei,
  • Physics Department,Tsinghua University,Beijing 100084,China

Abstract: The coupling Schrodinger equations describing the evolution of c`c states in nuclear matter are analytically and systematically solved via perturbation method,and the correlation between charmonium formation and nuclear absorption is investigated. After calculating J/ψ and ψ′suppression in nucleon-nucleus collisions and comparing with experiment data, it is found that the formation time effect plays an important rule in charmonium suppression, especially in ψ′suppression.

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