摘要
通过p-A碰撞的核Drell-Yan过程研究了核遮蔽效应及其空间相关性.利用空间依赖的部分子分布函数,计算了能量为800GeV/质子打击Au核的Drell-Yan过程与p-p碰撞Drell-Yan过程的微分截面比.计算结果与未来精确测量p-A碰撞核Drell-Yan过程的实验数据比较,能定量的验证部分子分布函数的空间依赖性.
In this paper, the nuclear shadowing effect and its lsition dependence is studied by the p-A Drell- Yan process. Considering the spatial dependence of parton distribution functions, we calculated the Drell- Yan cross-section ratios for an 800GeV proton beam incident on p and Au. Comparing our result with the future precise data measured in Drell-Yan process, the spatial dependent parton distribution functions can be examined.
出处
《河北建筑工程学院学报》
CAS
2007年第3期131-132,135,共3页
Journal of Hebei Institute of Architecture and Civil Engineering
关键词
核遮蔽效应因子
核DreU—Yan过程
部分子分布的空间依赖性
the nuclear shadowing effect parameter
the nuclear DreU-Yan process
the spati＇,d dependence of parton distribution functions
