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题名: B-d,s(0)-(B)over-bar(d,s)(0) mixing in the model III 2HDM
作者: Huang, CS ;  Li, JT
刊名: INTERNATIONAL JOURNAL OF MODERN PHYSICS A
出版日期: 2005
卷号: 20, 期号:1, 页码:161-174
关键词: CHANGING NEUTRAL CURRENTS ;  HEAVY TOP-QUARK ;  QCD CORRECTIONS ;  OPERATORS ;  DECAYS
学科分类: Physics
通讯作者: Huang, CS , Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China.
部门归属: Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
英文摘要: In the model III 2HDM there are new CP violating phases which would affect the B-d,s(0) - (B) over bar (0)(d,s) mixing. In this paper, we calculate the new physics contributions to the neutral B meson Mass Splitting DeltaM(Bq) (q = d, s) at the next-to-leading order (NLO) level. Using the high accuracy data and other relevant data, we draw the constraints on the parameter space of the model III 2HDM. Moreover, we calculate the new physics corrections to the ratio q/p. It is found that the phase of (q/p) for Bd which is due to the new contributions is very small and consequently in agreement with the measurements of the time dependent CP asymmetry S-J/psiK in B --> J/psiKS. On the contrary, the phase of (q/p) for B-s is large enough to give significant effects on CP violation in the neutral B-s system.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000226754700007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13905
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Huang, CS,Li, JT. B-d,s(0)-(B)over-bar(d,s)(0) mixing in the model III 2HDM[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2005,20(1):161-174.
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