Relating the Cabibbo angle to $\tan \beta$ in a two Higgs-doublet model

Abstract

In a two Higgs-doublet model with $D_4$ flavor symmetry, we establish a relation between $\tan \beta$ and the Cabibbo angle. Due to a small number of parameters, the quark Yukawa sector of the model is very predictive. The flavor changing neutral currents are small enough to allow for relatively light nonstandard scalars to pass through the flavor constraints.

arXiv comment8 pages, a figure and some discussions added, version accepted for publication in Phys. Rev. D

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Cited by in corpus (4)

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• Diluting quark flavor hierarchies using dihedral symmetry
• $\mathbf{B}-\mathbf{L}$ model with ${\mathbf{D}}_4\times {\mathbf{Z}}_4\times {\mathbf{Z}}_2$ symmetry for fermion mass hierarchies and mixings