Natural Flavour Conservation in a three Higg-doublet Model [PDF]
A. C. B. Machado, V. PleitezWe propose a new mechanism for suppression of flavor changing neutral currents in three-Higgs doublet extension of the standard model. This happens if we impose a discrete $S_3$ symmetry and an appropriate vacuum alignment, in such a way that the mixing matrices in the scalar sector are given, at the tree level, by the tribimaximal matrix.View original: http://arxiv.org/abs/1205.0995
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