Double Suppression of FCNCs in Supersymmetric Models

Details Double Suppression of FCNCs in Supersymmetric Models Double Suppression of FCNCs in Supersymmetric Models

2004-02-03

arxiv.org/abs/hep-ph/0402026v1

Phys.Rev.D70:055004,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

29 pages, LaTeX, 3 figure

Scientific paper

10.1103/PhysRevD.70.055004

A mechanism for double suppression of flavor-changing neutral currents (FCNCs) and CP violating phases in supersymmetric models is suggested. At M_{SUSY} they are suppressed due to a nonabelian discrete flavor symmetry, and the infrared attractive force of gauge interactions in extra dimensions are used to suppress them at the compactification scale. We present a concrete model, which is a simple extension of S_{3} invariant minimal supersymmetric standard model, where only SU(2)_{L} and SU(3)_{C} gauge multiplets are assumed to propagate in the bulk. We find that a disorder of two orders of magnitude in soft supersymmetry breaking parameters above the compactification scale may be allowed to satisfy experimental constraints on FCNC processes and CP violating phenomena.

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