Influence of Color-Octet States to Associate J/ψ+γ Production

YAN Zhan-Yuan; DUAN Chun-Gui; HE Zhen-Min

Chinese Physics C> 2001, Vol. 25> Issue(12) : 1147-1151

Influence of Color-Octet States to Associate J/ψ+γ Production

Department of Physics,Northchina Electric Power University,Baoding 071003,China2 Department of Physics,Hebei Teachers' University,Shijiazhuang 050016,China

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Abstract：
Using the parton distribution functions of Fe given by the extended x-rescaling model,the influence of heavy qarkonium production mechanism to associate J/ψ and γ production in high energy proton-iron collisions is discnssed. The results show that the contribution of the color-octet states should not be ignored. Furthermore,we predict the differential cross section of associate J/ψ and γ. Comparing our theoretical results with the future experiment data,the heavy quarkonium production mechanism can be examined.

References

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YAN Zhan-Yuan, DUAN Chun-Gui and HE Zhen-Min. Influence of Color-Octet States to Associate J/ψ+γ Production[J]. Chinese Physics C, 2001, 25(12): 1147-1151.

YAN Zhan-Yuan, DUAN Chun-Gui and HE Zhen-Min. Influence of Color-Octet States to Associate J/ψ+γ Production[J]. Chinese Physics C, 2001, 25(12): 1147-1151. shu

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Received: 2001-01-02
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Influence of Color-Octet States to Associate J/ψ+γ Production

Corresponding author: YAN Zhan-Yuan,

Department of Physics,Northchina Electric Power University,Baoding 071003,China2 Department of Physics,Hebei Teachers' University,Shijiazhuang 050016,China

Received Date: 2001-01-02
Accepted Date: 1900-01-01
Available Online: 2001-12-05

Abstract: Using the parton distribution functions of Fe given by the extended x-rescaling model,the influence of heavy qarkonium production mechanism to associate J/ψ and γ production in high energy proton-iron collisions is discnssed. The results show that the contribution of the color-octet states should not be ignored. Furthermore,we predict the differential cross section of associate J/ψ and γ. Comparing our theoretical results with the future experiment data,the heavy quarkonium production mechanism can be examined.