Yukawa Hierarchy Transfer from Superconformal Sector and Degenerate Sfermion Masses

Abstract

We propose a new type of supersymmetric models coupled to superconformal field theories (SCFT's), leading simultaneously to hierarchical Yukawa couplings and completely degenerate sfermion masses. We consider models with an extra Abelian gauge symmetry to generate hierarchical structure for couplings between the SM sector and the SC sector. Interestingly, this hierarchy is inversely transferred to the Yukawa couplings in the SM sector. In this type of models, flavor-independent structure of the superconformal fixed point guarantees that the sfermion masses of the first and the second generations are completely degenerate at low energy.

11 pages, latex, 3 figures

References in corpus (1)

• Sfermion masses in Nelson-Strassler type of models: SUSY standard models coupled with SCFTs

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