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

页码：429 / 439

页数：11

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