Quenched chiral perturbation theory for heavy baryons

被引：7

作者：

Chiladze, G ^{[1
]}

机构：

[1] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA

来源：

PHYSICAL REVIEW D | 1998年 / 57卷 / 09期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevD.57.5586

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Chiral perturbation theory of baryons containing a heavy quark is extended to include the effects of quenching. In this framework the leading nonanalytic dependence of the heavy baryon masses on the light quark masses is studied. The size of quenching effects is estimated by comparing the results of quenched and ordinary chiral perturbation theories. It is found that in general they can be large. This estimate is relevant to lattice simulations of the heavy baryon masses.

引用

页码：5586 / 5592

页数：7

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