Study of electric polarizabilities of nucleon with a constituent quark model and pion meson cloud

被引：0
|
作者：
Dong, YB [1 ]
机构：
[1] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
来源：
COMMUNICATIONS IN THEORETICAL PHYSICS | 2006年 / 45卷 / 05期
关键词：
electric polarizability; pion meson cloud; charge radius;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this work, a subtle role of the pion meson cloud effect on the electric polarizabilities of the proton and neutron is stressed. It is shown that the electric polarizabilities of the proton and neutron, and the difference between the electric polarizabilities of the proton and neutron can be explained by including the pion meson cloud explicitly. However, the magnitude of the estimated mean-square charge radius of the neutron is still far from the measurement.
引用
收藏
页码：885 / 888
页数：4
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