Yukawa Hierarchy Transfer from Superconformal Sector and Degenerate Sfermion Masses

Details Yukawa Hierarchy Transfer from Superconformal Sector and Degenerate Sfermion Masses Yukawa Hierarchy Transfer from Superconformal Sector and Degenerate Sfermion Masses

2001-07-04

arxiv.org/abs/hep-ph/0107030v2

Phys.Rev. D65 (2002) 015006

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, latex, 3 figures

Scientific paper

10.1103/PhysRevD.65.015006

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.

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