Journal
PHYSICAL REVIEW D
Volume 81, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.81.016004
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We address the problem of rationalizing the pattern of fermion masses and mixings by adding a non-Abelian flavor symmetry in a grand unified framework. With this purpose, we include an A(4) flavor symmetry into a unified renormalizable supersymmetric grand unified theory SU(5) model. With the help of the type II seesaw mechanism we are able to obtain the pattern of observed neutrino mixings in a natural way, through the so-called tribimaximal matrix.
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