Improving bounds on γ in B±→DK± and B±,0→DXs±,0

被引：92

作者：

Gronau, M ^{[1
]}

机构：

[1] CERN, Div Theory, CH-1211 Geneva 23, Switzerland

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

来源：

PHYSICS LETTERS B | 2003年 / 557卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(03)00192-8

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In view of recent experimental progress in rate and CP asymmetry measurements in B+/- --> DK+/- we reconsider information on the weak phase gamma which can be obtained from these processes. Model-independent inequalities are proven for sin(2) gamma in terms of two ratios of partial rates for B+/-.0 --> DXs+/-.0 where X-s is any multiparticle charmless state carrying strangeness +/-1. Good prospects are shown to exist for using these inequalities and CP asymmetry measurements in two body and multibody decays in order to improve present bounds on gamma. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：198 / 206

页数：9

共 41 条

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