Fermion Mass Hierarchy and Double Seesaw Mechanism in a 3-3-1 Model with an Axion

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Dias, A. G.; Leite, J.; Lopes, D. D.; Nishi, C. C.;

We present a model based on the $SU(3)_C\otimes SU(3)_L\otimes U(1)_X$ gauge symmetry that relates the mass hierarchy of the fermions with the solution to the strong CP problem through the $U(1)_{PQ}$ Peccei-Quinn symmetry. This last symmetry arises accidentally with th... View more
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