FORM-FACTOR OF THE SIGMA-TERM

被引：208

作者：

GASSER, J ^{[1
]}

LEUTWYLER, H ^{[1
]}

SAINIO, ME ^{[1
]}

机构：

[1] UNIV HELSINKI,THEORET PHYS RES INST,SF-00170 HELSINKI 17,FINLAND

来源：

PHYSICS LETTERS B | 1991年 / 253卷 / 1-2期

关键词：

D O I：

10.1016/0370-2693(91)91394-B

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We use dispersion relations to calculate the nucleon form factor of the scalar operator ubaru + dbard and show that the corresponding mean square radius is remarkably large.

引用

页码：260 / 264

页数：5

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