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题名: CP asymmetry in B ->phi K-S in a supersymmetric SO(10) grand unified theory
作者: Dai, YB ;  Huang, CS ;  Li, WJ ;  Wu, XH
刊名: PHYSICAL REVIEW D
出版日期: 2004
卷号: 70, 期号:11, 页码:-
关键词: LEPTON-FLAVOR VIOLATION ;  CHANGING NEUTRAL CURRENTS ;  ELECTRIC-DIPOLE MOMENT ;  FLIPPED SU(5) MODEL ;  B-MESON DECAYS ;  PHI-K-S ;  QCD FACTORIZATION ;  STANDARD MODEL ;  SUPERGRAVITY MODELS ;  CABIBBO ANGLE
学科分类: Physics
通讯作者: Dai, YB , Acad Sinica, Inst Theoret Phys, POB 2735, 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; Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea
英文摘要: We study the B-->phiK(S) decay in a supersymmetric (SUSY) SO(10) grand unified theory (GUT). We calculate the mass spectrum of sparticles for a given set of parameters at the grand unified theory (GUT) scale. We complete the calculations of the Wilson coefficients of operators including the new operators which are induced by neutral Higgs boson (NHB) penguins at LO using the mass insertion approximation (MIA) with double insertions. It is shown that the recent experimental results on the time-dependent CP asymmetry S-phiK in B-->phiK(S), which is negative and cannot be explained in the standard model (SM), can be explained in the model where there are flavor nondiagonal right-handed down squark mass matrix elements of second and third generations whose size satisfies all relevant constraints from known experiments (tau-->mugamma, B-->X(S)gamma, B-s-->mu(+)mu(-), B-->X(s)mu(+)mu(-), B-->X(s)g, DeltaM(s), etc.). At the same time, the branching ratio for the decay can also be in agreement with experimental measurements.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000226054700091
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13959
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:
Dai, YB,Huang, CS,Li, WJ,et al. CP asymmetry in B ->phi K-S in a supersymmetric SO(10) grand unified theory[J]. PHYSICAL REVIEW D,2004,70(11):-.
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