Flavor from the double tetrahedral group without supersymmetry
Carone, Christopher D. Chaurasia, Shikha Vasquez, Savannah
Carone, Christopher D.
Chaurasia, Shikha
Vasquez, Savannah
Abstract
We consider a class of flavor models proposed by Aranda, Carone and Lebed, relaxing the assumption of supersymmetry and allowing the flavor scale to float anywhere between the weak and Planck scales. We perform global fits to the charged fermion masses and Cabibbo-Kobayashi-Maskawa angles, and consider the dependence of the results on the unknown mass scale of the flavor sector. We find that the typical Yukawa textures in these models provide a good description of the data over a wide range of flavor scales, with a preference for those that approach the lower bounds allowed by flavor-changing-neutral-current constraints. Nevertheless, the possibility that the flavor scale and Planck scale are identified remains viable. We present models that demonstrate how the assumed textures can arise most simply in a nonsupersymmetric framework.
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2018-01-27
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Physics
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https://doi.org/10.1103/PhysRevD.95.015025