THE ANALYSIS OF B → ηK* AND B→ φKS DECAYS IN A FLAVOR CHANGING Z′ MODEL

被引：1
|
作者：
Wang, Shuai-Wei [1 ]
Liu, Yao-Bei [2 ]
Song, Hai-Zhen [1 ]
机构：
[1] Nanyang Normal Univ, Nanyang 473061, Peoples R China
[2] Henan Inst Sci & Technol, Xinxiang 453003, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2008年 / 23卷 / 24期
关键词：
Z' model; QCD factorization; flavor changing neutral currents;
D O I：
10.1142/S0217751X08041633
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：
We study the large branching ratios of B -> eta K* decays and the time- dependent CP asymmetry S-phi KS anomaly of B -> phi K-S decay in a flavor changing Z' model associated with flavor changing neutral currents at the tree level. Considering the right-handed flavor changing couplings and setting xi(LL) = xi(RL) = xi(LR) = xi(RR) = xi, we obtain 0.011 < xi < 0.0131, this parameter region could give a simultaneous explanation to these anomalies of B -> eta K* and B -> phi K-S decays. The results are consistent with the constraints and the assumptions of some references.
引用
收藏
页码：4039 / 4049
页数：11
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