Nuclear Effect in p-A Drell-Yan Process with QCD Corrections

ZHANG YuMin; DUAN ChunGui; YAN ZhanYuan; HE ZhenMin

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2000, Vol. 24> Issue(9) : 839-844

Nuclear Effect in p-A Drell-Yan Process with QCD Corrections

Physics Department, Hebei Teachers' University, Shijiazhuang 050016, China

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Abstract：
Taking into account perturbative QCD α_s order approximation, using double Q² rescaling model, the cross section ratios of Drell Yan process in p-A collision to p-D collision are calculated. Comparing these results with the ratios without QCD corrections, it shows the neclear effect functions R_QCD(x_A,Q²) are suppressed by different extent for different nucleus, in different ranges of x_A(T). Comparing with the E772 experiment data, R_QCD(x_A,Q²) are better fitted than R(x_A, Q²). It is shown that the QCD corrections are interesting in studing the nuclear effect of D-Y process. After taking into account of α_s order corrections, double Q²-rescaling model is still effective.

References

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ZHANG YuMin, DUAN ChunGui, YAN ZhanYuan and HE ZhenMin. Nuclear Effect in p-A Drell-Yan Process with QCD Corrections[J]. Chinese Physics C, 2000, 24(9): 839-844.

ZHANG YuMin, DUAN ChunGui, YAN ZhanYuan and HE ZhenMin. Nuclear Effect in p-A Drell-Yan Process with QCD Corrections[J]. Chinese Physics C, 2000, 24(9): 839-844. shu

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Received: 1999-07-06
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

Nuclear Effect in p-A Drell-Yan Process with QCD Corrections

Corresponding author: ZHANG YuMin,

Physics Department, Hebei Teachers' University, Shijiazhuang 050016, China

Received Date: 1999-07-06
Accepted Date: 1900-01-01
Available Online: 2000-09-05

Abstract: Taking into account perturbative QCD α_s order approximation, using double Q² rescaling model, the cross section ratios of Drell Yan process in p-A collision to p-D collision are calculated. Comparing these results with the ratios without QCD corrections, it shows the neclear effect functions R_QCD(x_A,Q²) are suppressed by different extent for different nucleus, in different ranges of x_A(T). Comparing with the E772 experiment data, R_QCD(x_A,Q²) are better fitted than R(x_A, Q²). It is shown that the QCD corrections are interesting in studing the nuclear effect of D-Y process. After taking into account of α_s order corrections, double Q²-rescaling model is still effective.