Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-04-28
Phys.Rev.D62:094023,2000
Physics
High Energy Physics
High Energy Physics - Phenomenology
Several references are added, typo are corrected
Scientific paper
10.1103/PhysRevD.62.094023
The invariant mass spectrum, forward-backward asymmetry, and lepton polarizations of the exclusive processes $B\to K(K^*)\ell^+ \ell^-, \ell=\mu, \tau$ are analyzed under supersymmetric context. Special attention is paid to the effects of neutral Higgs bosons (NHBs). Our analysis shows that the branching ratio of the process $\bkm$ can be quite largely modified by the effects of neutral Higgs bosons and the forward-backward asymmetry would not vanish. For the process $\bksm$, the lepton transverse polarization is quite sensitive to the effects of NHBs, while the invariant mass spectrum, forward-backward asymmetry, and lepton longitudinal polarization are not. For both $\bkt$ and $\bkst$, the effects of NHBs are quite significant. The partial decay widths of these processes are also analyzed, and our analysis manifest that even taking into account the theoretical uncertainties in calculating weak form factors, the effects of NHBs could make SUSY shown up.
Huang Chao-Shang
Wei Liao
Yan Qi-Shu
Zhu Shou-hua
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