The Promising Process to Distinguish Supersymmetric Models with Large tan$β$ from the Standard Model: $B\to X_sμ^{+}μ^{-}$

Details The Promising Process to Distinguish Supersymmetric Models with Large tan$β$ from the Standard Model: $B\to X_sμ^{+}μ^{-}$ The Promising Process to Distinguish Supersymmetric Models with Large tan$β$ from the Standard Model: $B\to X_sμ^{+}μ^{-}$

1998-03-26

arxiv.org/abs/hep-ph/9803460v2

Phys.Rev.D59:011701,1999

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, including 2 figures

Scientific paper

10.1103/PhysRevD.59.011701

It is shown that in supersymmetric models (SUSYMs) the large supersymmetric contributions to $B \to X_s{\mu}^{+}{\mu}^{-}$ come from the Feynman diagrams which consist of exchanging neutral Higgs bosons (NHBs) and the chargino-stop loop and are proportional to $m_b m_{\mu}$tan$^3\beta/m_{h}^2$ when tan$\beta$ is large and the mass of the lightest neutral Higgs boson m$_h$ is not too large (say, less than 150 Gev). Numerical results show that the branching ratios of $B \to X_s{\mu}^{+}{\mu}^{-}$ can be enhanced by more than 100% compared to the standard model (SM) and the backward-forward asymmetry of lepton is significantly different from that in SM when tan$\beta \geq 30$.

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