ELECTROMAGNETIC SELF-ENERGIES OF PSEUDOSCALAR MESONS AND DASHEN THEOREM

被引：95

作者：

DONOGHUE, JF ^{[1
]}

HOLSTEIN, BR ^{[1
]}

WYLER, D ^{[1
]}

机构：

[1] UNIV ZURICH, INST THEORET PHYS, CH-8001 ZURICH, SWITZERLAND

来源：

PHYSICAL REVIEW D | 1993年 / 47卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.47.2089

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The calculation of the electromagnetic mass shifts of pi, K mesons is studied using a model incorporating chiral symmetry and vector dominance. Significant SU(3) breaking to Dashen's theorem is found, allowing a resolution of the long-standing discrepancy between the quark-mass ratio (m(d) - m(u))/m(s) found from eta-->3pi decay and that from the K+-K0 mass difference.

引用

页码：2089 / 2097

页数：9

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