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
收藏
页码：2915 / 2918
页数：4
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