Fermion masses and mixings in an $SU(5)$ grand unified model with an extra flavor symmetry

@article{Campos2014FermionMA,
  title={Fermion masses and mixings in an \$SU(5)\$ grand unified model with an extra flavor symmetry},
  author={Miguel D. Campos and A. E. C'arcamo Hern'andez and Sergey G. Kovalenko and Ivan Schmidt and Erik Schumacher},
  journal={Physical Review D},
  year={2014},
  volume={90},
  pages={016006}
}
We propose a model based on the $SU(5)$ grand unification with an extra $A_{4}\otimes Z_{2}\otimes Z_{2}^{\prime }\otimes Z_{2}^{\prime \prime}\otimes U\left( 1\right) _{f}$ flavor symmetry, which accounts for the pattern of the SM fermion masses and mixings. The observed hierarchy of charged fermion masses and quark mixing matrix elements arises from a generalized Froggatt-Nielsen mechanism triggered by a scalar $\mathbf{24}$ representation of $SU(5)$ charged under the global $U(1)_{f}$ and… 

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