Decays of MSSM Higgs in Flavour-Changing Quark Channels

Details Decays of MSSM Higgs in Flavour-Changing Quark Channels Decays of MSSM Higgs in Flavour-Changing Quark Channels

2004-05-14

arxiv.org/abs/hep-ph/0405138v3

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 4 figures; Talk given by A. M. Curiel at the XXIXth Rencontres de Moriond Electroweak Interactions and Unified Theori

Scientific paper

We compute the genuine SUSY one-loop quantum contributions to flavour-changing MSSM Higgs-boson decays into $b \bar s$ and $s \bar b$ using the full diagrammatic approach that is valid for all $\tan \beta$ values and do not rely on the mass-insertion approximation for the characteristic flavour-changing parameter. We analyze in full detail the dependence of these flavour-changing partial widths on all the relevant MSSM parameters and also study the non-decoupling behaviour of these widths with the SUSY mass parameters. We find that these contributions are sizable as compared to the SM ones, and can be very efficient as an indirect method in the future search for Supersymmetry.

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