Measurement of sin 2φ1 IN b → c AND b → s decays at belle

被引：0
|
作者：
Hastings, Nicholas C. [1 ]
机构：
[1] Univ Tokyo, Tokyo, Japan
来源：
FUNDAMENTAL INTERACTIONS | 2006年
关键词：
D O I：
10.1142/9789812772541_0025
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
Measurements of time-dependent CP asymmetries in B-0 -> J/psi K-0, phi K-0, K+K-K (S), eta'K (S), f(0)(980)K (S) and omega K (S) decays based on 386 x 10(6) B (B) over bar pairs collected by the Belle detector are presented. With this data sample, the J/psi K-0 mode provides a precision measurement of sin 2 phi(1). The other modes, which proceed via b -> s penguin (loop) diagrams are sensitive to new physics phases which may appear within the loop. Differing sin 2(phi 1), measurements between J/psi K-0 and the b -> s penguin modes could be a signature of such phases.
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页码：215 / 219
页数：5
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