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Yan, QS; Huang, CS; Liao, W; Zhu, SH; Yan, QS , Tsing Hua Univ, Dept Phys, Beijing, Peoples R China.
Exclusive semileptonic rare decays B ->(K,K*)l(+)l(-)- in supersymmetric theories
发表期刊PHYSICAL REVIEW D
关键词Twist Distribution Amplitudes Anomalous Dimension Matrix Tau-polarization Asymmetry Minimal Supergravity Model Weak Nonleptonic Decays B-decays Lepton Polarization Leading Logarithms Standard Model Doublet Model
摘要The invariant mass spectrum, forward-backward asymmetry, and lepton polarizations of the exclusive processes B--> K(K*)l(+)l(-),l=mu,tau are analyzed in a supersymmetric context. Special attention is paid to the effects of neutral Higgs bosons (NHB's). Our analysis shows that the branching ratio of the process B --> K mu (+)mu (-) can be quite largely modified by the effects of neutral Higgs bosons and the forward-backward asymmetry would not vanish. For the process B-->K*mu (+)mu (-), the lepton transverse polarization is quite sensitive to the effects of NHB's, while the invariant mass spectrum, forward-backward asymmetry, and lepton longitudinal polarization are not. For both B-->K tau (+)tau (-) and B-->K*tau (+)tau (-), the effects of NHB's are quite significant. The partial decay widths of these processes are also analyzed, and our analysis manifests that, even taking into account the theoretical uncertainties in calculating weak form factors, the effects of NHB's could make supersymmetry show up.
2000
ISSN0556-2821
卷号62期号:9页码:-
学科领域Physics
收录类别SCI
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被引频次:78[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12882
专题理论物理所科研产出_SCI论文
通讯作者Yan, QS , Tsing Hua Univ, Dept Phys, Beijing, Peoples R China.
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Yan, QS,Huang, CS,Liao, W,et al. Exclusive semileptonic rare decays B ->(K,K*)l(+)l(-)- in supersymmetric theories[J]. PHYSICAL REVIEW D,2000,62(9):-.
APA Yan, QS,Huang, CS,Liao, W,Zhu, SH,&Yan, QS , Tsing Hua Univ, Dept Phys, Beijing, Peoples R China..(2000).Exclusive semileptonic rare decays B ->(K,K*)l(+)l(-)- in supersymmetric theories.PHYSICAL REVIEW D,62(9),-.
MLA Yan, QS,et al."Exclusive semileptonic rare decays B ->(K,K*)l(+)l(-)- in supersymmetric theories".PHYSICAL REVIEW D 62.9(2000):-.
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