DOUBLE CHIRAL LOGS IN THE PI-PI SCATTERING-AMPLITUDE

被引：31

作者：

COLANGELO, G

机构：

[1] Universität Bern, CH-3012 Bern

来源：

PHYSICS LETTERS B | 1995年 / 350卷 / 01期

关键词：

D O I：

10.1016/0370-2693(95)00349-P

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

By using the Renormalization Group Equations in Chiral Perturbation Theory, one can calculate the double chiral logs that appear at two loops in any matrix element. We calculate them in the pi pi scattering amplitude, where they represent the potentially largest two loop contribution. It is shown that their correction is reasonably small.

引用

页码：85 / 91

页数：7

共 25 条

[1] THE BACKGROUND FIELD METHOD AND THE ULTRAVIOLET STRUCTURE OF THE SUPERSYMMETRIC NON-LINEAR SIGMA-MODEL [J].