核Drell-Yan过程中夸克的能量损失

  • 宋丽华 ,
  • 张印杰 ,
  • 莫文玲
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  • 1.河北理工大学,信息学院,河北,唐山,063009; 2.河北大学,物理科学与技术学院,河北,保定,071002

网络出版日期: 2009-01-25

基金资助

国家自然科学基金,河北大学博士科研启动基金

Energy Loss of Quark in Nuclear Drell-Yan Process

  • SONG Li-hua ,
  • ZHANG Yin-jie ,
  • MO Wen-ling
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Online published: 2009-01-25

摘要

借助2种典型的处理夸克能量损失的方法,利用拟合深度非弹性散射实验数据得到的束缚核子中的部分子分布函数,分别计算了核Drell-Yan过程中的微分截面比随运动学变量x1的变化,并与费米实验室E866组的实验结果进行比较.比较结果一方面验证了核Drell-Yan过程中能量损失效应的存在,另一方面也说明了不同的处理夸克能量损失的方法对计算结果的影响.

本文引用格式

宋丽华 , 张印杰 , 莫文玲 . 核Drell-Yan过程中夸克的能量损失[J]. 河北大学学报(自然科学版), 2009 , 29(1) : 32 -35 . DOI: 10.3969/j.issn.1000-1565.2009.01.010

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