Chiral corrections to matrix elements of twist-2 operators

被引：94
作者：
Arndt, D
Savage, MJ [1 ]
机构：
[1] Univ Washington, Dept Phys, Seattle, WA 98195 USA
[2] Jefferson Lab, Newport News, VA 23606 USA
来源：
NUCLEAR PHYSICS A | 2002年 / 697卷 / 1-2期
关键词：
D O I：
10.1016/S0375-9474(01)01223-4
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 compute the leading nonanalytic contributions of the form m(q) log m(q) to matrix elements of twist-2 operators in the nucleon and pion using effective field theory. Previously omitted one-loop contributions that are related to tree-level matrix elements by chiral symmetry are included. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：429 / 439
页数：11
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