Spin polarizability of hyperons

被引：0
|
作者：
Kumar, K. B. Vijaya [1 ]
机构：
[1] Mangalore Univ, Dept Phys, Mangalagangothri 574199, Karnataka, India
来源：
PRAMANA-JOURNAL OF PHYSICS | 2014年 / 83卷 / 05期
关键词：
Compton scattering; polarizabilities; heavy baryon chiral perturbation theory; CHIRAL PERTURBATION-THEORY; VIRTUAL COMPTON-SCATTERING; ONE-LOOP ANALYSIS; DISPERSION-RELATIONS; ELECTROMAGNETIC POLARIZABILITIES; LOW-ENERGY; NUCLEON; BARYON; PROTON; MODELS;
D O I：
10.1007/s12043-014-0869-4
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We review the recent progress of the theoretical understanding of spin polarizabilities of the hyperon in the framework of SU(3) heavy baryon chiral perturbation theory (HBChPT). We present the results of a systematic leading-order calculation of hyperon Compton scattering and extract the forward spin polarizability (gamma (0)) of hyperons. The results obtained for gamma (0) in the case of nucleons agree with the known results of SU(2) HBChPT when kaon loops are not considered.
引用
收藏
页码：783 / 798
页数：16
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