$ΔF=2$ processes in the MSSM in large $\tanβ$ limit

Details $ΔF=2$ processes in the MSSM in large $\tanβ$ limit $ΔF=2$ processes in the MSSM in large $\tanβ$ limit

2001-08-27

arxiv.org/abs/hep-ph/0108226v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, 2 Postscript figures, to appear in the proceedings of the 9th International Conference on Supersymmetry and Unificati

Scientific paper

We discuss corrections to $\Delta M_{B_d}$, $\Delta M_{B_s}$ and to the CP violation parameter $\epsilon$ in two examples of (generalized) minimal flavour violation models: 2HDM and MSSM in the large $\tan\beta$ limit. We show that for $H^+$ not too heavy, $\Delta M_{B_s}$ in the MSSM with heavy sparticles can be substantially smaller than in the SM due the charged Higgs box contributions and in particular due to the growing like $\tan^4\beta$ contribution of the double penguin diagrams involving neutral Higgs boson exchanges.

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