I-spin, U-spin, and penguin dominance in B → KK(K)over-bar

被引：62

作者：

Gronau, M ^{[2
]}

Rosner, JL

机构：

[1] Technion Israel Inst Technol, Dept Phys, IL-32000 Haifa, Israel

[2] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[3] Univ Chicago, Dept Phys, Chicago, IL 60637 USA

来源：

PHYSICS LETTERS B | 2003年 / 564卷 / 1-2期

基金：

美国能源部;

关键词：

D O I：

10.1016/S0370-2693(03)00702-0

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Isospin and U-spin symmetries are useful approximations for studying penguin dominance in B meson decays to three kaons, B --> K K (K) over bar. We point out certain subtleties in treating these decays in these approximations. Resulting uncertainties are discussed in determining the CP content of the final state in B --> K+ K- K-S, and in relating the CP asymmetry in this process to the value of sin 2beta. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：90 / 96

页数：7

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