Twist-3 effects and target mass corrections

被引：5
|
作者：
Dong, Y. B. [1 ,2 ]
机构：
[1] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
[2] Chinese Acad Sci, TPCSF, Beijing 100049, Peoples R China
来源：
PHYSICAL REVIEW C | 2008年 / 77卷 / 01期
关键词：
D O I：
10.1103/PhysRevC.77.015201
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
We estimate the higher-twist contributions using Nachtmann moments, which provide a method for handling target mass corrections. The corrections to the Cornwall-Norton moments of nucleon spin structure functions are also addressed. Their sizable role in the twist-3 (d) over tilde (p,n,d)(2) extracted from the Cornwall-Norton moments is discussed. Moreover, their role in the isoscalar and isovector structure functions is also shown.
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页数：5
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