Suppressing FCNC and CP-Violating Phases by Extra Dimensions

Details Suppressing FCNC and CP-Violating Phases by Extra Dimensions Suppressing FCNC and CP-Violating Phases by Extra Dimensions

2002-05-22

arxiv.org/abs/hep-ph/0205247v1

Phys.Rev. D66 (2002) 116003

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 2 figures

Scientific paper

10.1103/PhysRevD.66.116003

In extra dimensions the infrared attractive force of gauge interactions is amplified. We find that this force can align in the infrared limit the soft-supersymmetry breaking terms out of their anarchical disorder at a fundamental scale, in such a way that flavor-changing neutral currents as well as dangerous CP-violating phases are sufficiently suppressed at the unification scale. The main assumption is that the matter and Higgs supermultiplets and the flavor-dependent interactions such as Yukawa interactions are stuck at the four-dimensional boundary. As a concrete example we consider the minimal model based on SU(5) in six dimensions.

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