FORM-FACTOR A(0)(Q(2)), NONLEPTONIC D(B)-]PV TRANSITIONS, AND RARE B-]K-ASTERISK-GAMMA-DECAYS

被引：14

作者：

COLANGELO, P

DE FAZIO, F

SANTORELLI, P

机构：

[1] UNIV BARI, DIPARTMENTO FIS, I-70126 BARI, ITALY

[2] UNIV NAPLES FEDERICO II, DIPARTIMENTO FIS, I-80125 NAPLES, ITALY

[3] IST NAZL FIS NUCL, SEZ NAPOLI, I-80125 NAPLES, ITALY

来源：

PHYSICAL REVIEW D | 1995年 / 51卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.51.2237

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We use three-point function QCD sum rules to calculate the form factor A0(q2) appearing in the matrix element of the flavor-changing axial vector current between the D(B) state and a vector meson state. We describe the role of this form factor in nonleptonic D(B)→PV decays and analyze the light SU(3)F-symmetry-breaking effects. We also discuss a proposal to relate the branching ratio of B→K*γ to the spectrum of the semileptonic B→ρlν decay. © 1995 The American Physical Society.

引用

页码：2237 / 2246

页数：10

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