RELATIONSHIP BETWEEN FORM-FACTORS IN SEMILEPTONIC BBAR AND D DECAYS AND EXCLUSIVE RARE BBAR-MESON DECAYS

被引:267
作者
ISGUR, N
WISE, MB
机构
[1] UNIV TORONTO,DEPT PHYS,TORONTO M5S 1A7,ONTARIO,CANADA
[2] CALTECH,PASADENA,CA 91125
来源
PHYSICAL REVIEW D | 1990年 / 42卷 / 07期
关键词
D O I
10.1103/PhysRevD.42.2388
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We show that existing data on the semileptonic decays DKe+e and DK*e+e provide information on matrix elements relevant for the rare B»-meson decays B»Ke+e-, B»K*e+e-, and B»K* and that future data on B»e»e and B»e»e will further constrain them. A discussion of how the form factors for these latter decays are in turn determined by semileptonic D decays at the corresponding recoil momenta is also presented. © 1990 The American Physical Society.
引用
收藏
页码:2388 / 2391
页数:4
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