MESON MASSES FROM SU(3) AND HEAVY-QUARK SYMMETRY

被引：22

作者：

ROSNER, JL

WISE, MB

机构：

[1] UNIV CHICAGO,DEPT PHYS,CHICAGO,IL 60637

[2] CALTECH,CHARLES C LAURITSEN LAB PHYS,PASADENA,CA 91125

来源：

PHYSICAL REVIEW D | 1993年 / 47卷 / 01期

关键词：

D O I：

10.1103/PhysRevD.47.343

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Pseudoscalar D and B and vector D* and B* meson masses are described using SU(3) and heavy-quark symmetry by considering all effects to first order in isospin and SU(3) breaking and to order m(Q)-1, where Q is the heavy quark. A relation between spin-dependent splittings in the B(s)BAR, and B0BAR systems is found. It implies that the photons in B(s)*BAR-->B(s)gammaBAR and B*0BAR-->B0gammaBAR are equal in energy to an accuracy of about 1 MeV.

引用

页码：343 / 345

页数：3

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