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Huang, CS; Wu, XH; Huang, CS , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
B-s ->mu(+) mu(-) and B -> X-s mu(+)mu(-) in MSSM
Source PublicationNUCLEAR PHYSICS B
KeywordLarge Tan-beta Rare B-decays Minimal Supergravity Model Standard Model 2-higgs-doublet Model Branching Fraction Qcd Corrections Cp Violation Art. Supersymmetry
AbstractPure leptonic and semileptonic rare B decays, B-s --> mu(+)mu(-) and B --> X(s)mu(+)mu(-) in the minimal supersymmetric Standard Model (MSSM), in particular, gluino and neutralino contributions to the decays, are discussed under Br(B --> X(s)gamma) and other experimental constraints. The general scalar quark mass matrices as the new sources of flavor violation are considered. We present Wilson coefficients of bs transitions from gamma, Z, and neutral Higgs boson penguin diagrams by using vertex mixing method to deal with scalar down-type quark flavor changing and also give their expressions in MIA to show different sources of enhancements. We find that under the experimental constraints, with large mixing of left- and right-handed sbottom, C-10((1)) can be enhanced by 10% compared with SM, in two cases, heavy gluino and fine-tuning between delta(23)(dLL) (delta(23)(dRR)) and delta(23)(dLR) (delta(23)(dRL)) terms in C-7((1)). Particularly, C-10 and C'(10) can reach a 20% enhancement in some regions of parameters under experimental constraints. When CP-odd Higgs A(0) is not too heavy (similar to 250 GeV), and tan beta is large (similar to 40), neutral Higgs boson penguins with gluino and down-type squark in the loop can significantly contribute to the bs transition and the contributions can compete with those due to the chargino and up-type squark loop. (C) 2003 Elsevier Science B.V. All rights reserved.
2003
ISSN0550-3213
Volume657Issue:40911Pages:304-332
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13297
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHuang, CS , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Huang, CS,Wu, XH,Huang, CS , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. B-s ->mu(+) mu(-) and B -> X-s mu(+)mu(-) in MSSM[J]. NUCLEAR PHYSICS B,2003,657(40911):304-332.
APA Huang, CS,Wu, XH,&Huang, CS , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2003).B-s ->mu(+) mu(-) and B -> X-s mu(+)mu(-) in MSSM.NUCLEAR PHYSICS B,657(40911),304-332.
MLA Huang, CS,et al."B-s ->mu(+) mu(-) and B -> X-s mu(+)mu(-) in MSSM".NUCLEAR PHYSICS B 657.40911(2003):304-332.
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