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CP asymmetry in B ->phi K-S in a supersymmetric SO(10) grand unified theory
Dai, YB; Huang, CS; Li, WJ; Wu, XH; Dai, YB , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2004
发表期刊PHYSICAL REVIEW D
ISSN0556-2821
卷号70期号:11页码:-
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.
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
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
学科领域Physics
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收录类别SCI
WOS记录号WOS:000226054700091
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13959
专题理论物理所SCI论文
通讯作者Dai, YB , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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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):-.
APA Dai, YB,Huang, CS,Li, WJ,Wu, XH,&Dai, YB , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2004).CP asymmetry in B ->phi K-S in a supersymmetric SO(10) grand unified theory.PHYSICAL REVIEW D,70(11),-.
MLA Dai, YB,et al."CP asymmetry in B ->phi K-S in a supersymmetric SO(10) grand unified theory".PHYSICAL REVIEW D 70.11(2004):-.
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