Higgs-mediated FCNC in Supersymmetic Models with Large β
C. Hamzaoui, M. Pospelov, M. Toharia
Abstract
In the supersymmetric models with nontrivial flavour structure in the soft-breaking sector the exchange of neutral Higgses mediates ΔF=2 transitions. This mechanism is studied for ΔS, ΔB=2 processes and for a generic form of the soft-breaking terms. We find that Higgs-mediated FCNC amplitudes increase very rapidly with β and can exceed SUSY box contribution by up to two orders of magnitude when β mt/mb.
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