Pion sigma-term

被引：0

作者：

Robilotta, M. R. ^{[1
]}

Zarnauskas, G. R. S. ^{[1
]}

机构：

[1] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS E | 2007年 / 16卷 / 09期

关键词：

D O I：

10.1142/S0218301307008719

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 use a configuration space expression and a procedure to tame its divergent behavior at short distances to evaluate the pion sigma-term. We obtain the result sigma(pi) = 66.9 MeV, which is close to the espected value mu/2, where mu is the pion mass.

引用

页码：2915 / 2918

页数：4

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