REMARKS ON D(S)ASTERISK-]D(S)PI(0) DECAY

被引:64
作者
CHO, P
WISE, MB
机构
[1] Lauritsen Laboratory, California Institute of Technology, Pasadena
来源
PHYSICAL REVIEW D | 1994年 / 49卷 / 11期
关键词
D O I
10.1103/PhysRevD.49.6228
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We calculate the rate for D(s)* --> D(s)pi0 decay using chiral perturbation theory. This isospin-violating process results from pi0-eta mixing, and its amplitude is proportional to (m(d)-m(u))/[m(s)-(m(u)+m(d))/2]. Experimental information on the branching ratio for D(s)* --> D(s)pi0 can provide insight into the pattern of SU(3) violation in radiative D * decays.
引用
收藏
页码:6228 / 6231
页数:4
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