Fermion Mass Hierarchies and Flavor Mixing from Symmetry
arXiv:0803.2278 · doi:10.1103/PhysRevD.78.036011
Abstract
We construct a supersymmetric model based on flavor symmetry. At the leading order, the charged lepton mass matrix is not diagonal, is broken completely, and the hierarchy in the charged lepton masses is generated naturally. Nearly tri-bimaximal mixing is predicted, subleading effects induce corrections of order , where is the Cabibbo angle. Both the up quark and down quark mass matrices textures of the well-known U(2) flavor theory are produced at the leading order, realistic hierarchies in quark masses and CKM matrix elements are obtained. The vacuum alignment and subleading corrections are discussed in detail.
arXiv comment31 pages
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