Parton distribution functions and nuclear EMC effect in a statistical model

A new and simple statistical approach is performed to calculate the parton distribution functions （PDFs） of the nucleon in terms of light-front kinematic variables.Analytic expressions of x-dependent PDFs are obtained in the whole x region.And thereafter,we treat the temperature T as a parameter of...

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Bibliographic Details
Published in:Chinese physics C 2010-09, Vol.34 (9), p.1417-1420
Main Author: 邵立晶 张运华 马伯强
Format: Article
Language:English
Subjects:
PDF格式
效应参数
电磁兼容
统计方法
统计模型
解析表达式
运动学参数
部分子分布函数
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Summary:A new and simple statistical approach is performed to calculate the parton distribution functions （PDFs） of the nucleon in terms of light-front kinematic variables.Analytic expressions of x-dependent PDFs are obtained in the whole x region.And thereafter,we treat the temperature T as a parameter of the atomic number A to explain the nuclear EMC effect in the region x ∈ [0.2,0.7].We give the predictions of PDF ratios,and they are very different from those by other models,thus experiments aiming at measuring PDF ratios are suggested to provide a discrimination of different models.
ISSN:1674-1137
0254-3052
2058-6132
DOI:10.1088/1674-1137/34/9/059