DECAYS OF B-MESONS TO 2 LIGHT PSEUDOSCALARS

被引：326

作者：

GRONAU, M

HERNANDEZ, OF

LONDON, D

ROSNER, JL

机构：

[1] UNIV MONTREAL, PHYS NUCL LAB, MONTREAL H3C 3J7, QUEBEC, CANADA

[2] UNIV CHICAGO, ENRICO FERMI INST, CHICAGO, IL 60637 USA

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

来源：

PHYSICAL REVIEW D | 1994年 / 50卷 / 07期

关键词：

D O I：

10.1103/PhysRevD.50.4529

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The decays B --> PP, where P denotes a light pseudoscalar meson, are analyzed. Numerous triangle relations for amplitudes hold within flavor SU(3) symmetry, relating (for example) the decays B+ --> pi+pi0, pi0K+, and pi+K0. Such relations can improve the possibilities for learning about phases of the Cabibbo-Kobayashi-Maskawa (CKM) matrix and for early detection of CP-violating asymmetries. Within the context of a graphical analysis of decays, relations are analyzed among SU(3) amplitudes which hold if some graphs are neglected. These relations allow the determination of weak and strong phases from rate measurements alone. Estimates of SU(3) breaking are included.

引用

页码：4529 / 4543

页数：15

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