Flavor Violation and Hierarchical Sfermions

Abstract

Naturalness arguments do not forbid the possibility that the first two families of squarks and sleptons are heavier than the rest of the supersymmetric spectrum. In this framework, we study the phenomenology related to the flavor physics and we give bounds on the flavor violating parameters that we compare with the case of nearly degenerate squarks. The peculiar structure of the hierarchical scheme allows us to make definite predictions and suggests also a natural size for the flavor violating parameters.

To appear in the proceedings of 44rd Rencontres de Moriond on Electroweak Interactions and Unified Theories, La Thuile, Italy, 7-14 Mar 2009

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• Measurement of $\boldmath {B_s^0}$ mixing parameters from the flavor-tagged decay