A GIM Mechanism from Extra Dimensions

Details A GIM Mechanism from Extra Dimensions A GIM Mechanism from Extra Dimensions

2007-09-12

arxiv.org/abs/0709.1714v1

JHEP 0804:006,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 3 figures

Scientific paper

10.1088/1126-6708/2008/04/006

We explore how to protect extra dimensional models from large flavor changing neutral currents by using bulk and brane flavor symmetries. We show that a GIM mechanism can be built in to warped space models such as Randall-Sundrum or composite Higgs models if flavor mixing is introduced via UV brane kinetic mixings for right handed quarks. We give a realistic implementation both for a model with minimal flavor violation and one with next-to-minimal flavor violation. The latter does not suffer from a CP problem. We consider some of the existing experimental constraints on these models implied by precision electroweak tests.

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