Neutral Higgs boson contributions to CP asymmetry of B→ φKS in MSSM

被引：36
|
作者：
Cheng, JF
Huang, CS
Wu, XH
机构：
[1] Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
[2] Peking Univ, Dept Phys, Beijing 100871, Peoples R China
[3] CCAST, World Lab, Beijing 100080, Peoples R China
来源：
PHYSICS LETTERS B | 2004年 / 585卷 / 3-4期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.physletb.2004.01.068
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have studied the neutral Higgs boson (NHB) contributions to the pure penguin process B --> phiK(S) in MSSM with middle and large tanbeta (say, > 8). We show that the alpha(s) order hadronic matrix elements of NHB induced operators can make sizable effects on both the branch ratio and time-dependent CP asymmetry S-phiK. Under all the relevant experimental constraints, the Higgs mediated contributions to S-phiK alone can provide a significant deviation from SM and, in particular, lead to a negative S-phiK which is reported by BaBar and Belle. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：287 / 294
页数：8
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