Suppressing FCNC and CP-Violating Phases with Extra Dimensions
Abstract
The infrared attractiveness of soft-supersymmetry breaking (SSB) parameters is investigated in extra dimensions. The SSB parameters are assumed to run from the Planck scale MPL down to the GUT scale MGUT. We find that, even for MPL/MGUT=100, the SSB parameters in six dimensions can align out of their anarchical disorder at MPL in such a way that flavor-changing neutral currents as well as dangerous CP-violating phases are sufficiently suppressed at MGUT. A concrete, realistic example based on SU(5) in six dimensions is presented.
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