RADIATIVE-D-ASTERISK DECAY USING HEAVY QUARK AND CHIRAL SYMMETRY

被引：142

作者：

AMUNDSON, JF

BOYD, CG

JENKINS, E

LUKE, M

MANOHAR, AV

ROSNER, JL

SAVAGE, MJ

WISE, MB

机构：

[1] CERN,DIV TH,CH-1211 GENEVA 23,SWITZERLAND

[2] CALTECH,PASADENA,CA 91125

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

来源：

PHYSICS LETTERS B | 1992年 / 296卷 / 3-4期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0370-2693(92)91341-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The implications of chiral SU(3)L X SU(3)R symmetry and heavy quark symmetry for the radiative decays D*0-->D0gamma, D*+ --> D+gamma, and D(s)*-->D(s)gamma are discussed. Particular attention is paid to SU(3) violating contributions of order m(q)1/2. Experimental data on these radiative decays provide constraints on the D*Dpi coupling.

引用

页码：415 / 419

页数：5

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