NEW FLAVOR SYMMETRY AND NONLEPTONIC DECAYS OF D-MESON AND B-MESON

被引：11

作者：

TANIMOTO, M

机构：

[1] Science Education Laboratory, Ehime University

来源：

PHYSICAL REVIEW D | 1991年 / 44卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.44.1449

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

New flavor symmetry of heavy quarks is studied in D meson and B meson decays. Form factors of the BBAR --> K,K* transition are obtained from observed form factors in semileptonic decays of the D meson owing to flavor symmetry. Branching ratios of nonleptonic decays BBAR --> K-psi and K*psi are predicted, using the 1/N(c) expansion of the weak hadronic matrix element. Our results agree nicely with experimental branching ratios.

引用

页码：1449 / 1453

页数：5

共 24 条

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