On K-factor's non-constancy for the Drell-Yan process in carbon-carbon nuclear collision

被引：0

作者：

Hou, ZY ^{[1
]}

Zheng, Q

Duan, CG

Zhang, BA

机构：

[1] China Acad Engn Phys, Beijing Postgrad Sch, Beijing 100088, Peoples R China

[2] Shijiazhuang Teachers Coll, Shijiazhuang 050801, Peoples R China

[3] Shijiazhuang Railway Inst, Basic Dept, Shijiazhuang 050043, Peoples R China

[4] Hebei Teachers Univ, Dept Phys, Shijiazhuang 050016, Peoples R China

来源：

COMMUNICATIONS IN THEORETICAL PHYSICS | 2000年 / 34卷 / 02期

关键词：

K-factor; Drell-Yan process; double Q(2)-rescaling model;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The double Q(2)-rescaling model is used to compute the change of K-factor with x(A2) when the nucleus carbon-nucleus carbon collision occurs at different values of x(A1), where x are momentum fraction variables. In the calculation, the contributions of annihilations and Compton scattering have been considered for the Drell-Yan process. The calculated results show that the plots of K-factor versus x(A2) are very different for different values of x(A1). They are also compared with experimental data, which provides a test to the model of nuclear effect and the QCD theory itself.

引用

页码：377 / 380

页数：4

共 17 条

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