Improved Q<SUP>2</SUP>-Rescaling Model and the Nuclear Effect of Parton Distribution Functions

Yao Xiaoxia; He Zhenmin; Duan Chungui; Li Guanglie; Peng Hongan

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2024年10月30日

Chinese Physics C> 1997, Vol. 21> Issue(6) : 548-553

Improved Q²-Rescaling Model and the Nuclear Effect of Parton Distribution Functions

Department of Physics,Hebei Teacher's University,Shijiazhuang 0500162 Institute of Energy Physics,The Chinese Acadenty of Sciences,Beijing 1000393 Department of Physics,Peking University,Beijing 10087

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Abstract：
Considering that the original Q²-rescaling model has some shortcomings in explaining the experimental data,we propose animproved Q²-rescaling model in which,in order to compensate for the loss of nuclear momentum,we employ different Q²-rescaling parameters for momentum distributions of valence quark,sea quark and glouns.By using improved Q²-rescaling model,We can well explain the experimental data of the EMC effect in the whole x region,the nuclear Drell-Yan Process and J/ψ photoproduction process.

References

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Yao Xiaoxia, He Zhenmin, Duan Chungui, Li Guanglie and Peng Hongan. Improved Q²-Rescaling Model and the Nuclear Effect of Parton Distribution Functions[J]. Chinese Physics C, 1997, 21(6): 548-553.

Yao Xiaoxia, He Zhenmin, Duan Chungui, Li Guanglie and Peng Hongan. Improved Q²-Rescaling Model and the Nuclear Effect of Parton Distribution Functions[J]. Chinese Physics C, 1997, 21(6): 548-553. shu

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Received: 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

Improved Q²-Rescaling Model and the Nuclear Effect of Parton Distribution Functions

Corresponding author: Yao Xiaoxia,

Department of Physics,Hebei Teacher's University,Shijiazhuang 0500162 Institute of Energy Physics,The Chinese Acadenty of Sciences,Beijing 1000393 Department of Physics,Peking University,Beijing 10087

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1997-06-05

Abstract: Considering that the original Q²-rescaling model has some shortcomings in explaining the experimental data,we propose animproved Q²-rescaling model in which,in order to compensate for the loss of nuclear momentum,we employ different Q²-rescaling parameters for momentum distributions of valence quark,sea quark and glouns.By using improved Q²-rescaling model,We can well explain the experimental data of the EMC effect in the whole x region,the nuclear Drell-Yan Process and J/ψ photoproduction process.

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