Baryon magnetic moments in the 1/Nc expansion with flavor symmetry breaking

被引：15

作者：

Jenkins, Elizabeth ^{[1
]}

机构：

[1] Univ Calif San Diego, Dept Phys, La Jolla, CA 92093 USA

来源：

PHYSICAL REVIEW D | 2012年 / 85卷 / 06期

关键词：

CHIRAL PERTURBATION-THEORY; HYPERFINE MASS SPLITTINGS; HEAVY-QUARK;

D O I：

10.1103/PhysRevD.85.065007

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The magnetic moments and transition magnetic moments of the ground-state baryons are analyzed in an expansion in 1/N-c, SU(3) flavor symmetry breaking and isospin symmetry breaking. There is clear evidence in the experimental data for the hierarchy of magnetic moments of the combined expansion in 1/N-c and flavor breaking. SU(3) breaking in the magnetic moments is expected to be enhanced relative to that of other hadronic observables, and significant SU(3) breaking is found.

引用

页数：23

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