Tri-bimaximal neutrino mixing from discrete subgroups of SU(3) and SO(3) family symmetry
By I. D. M. Varzielas, S. F. King, Graham G. Ross. 2005
183 citations recorded by the source corpus.
It has recently been shown how tri-bimaximal neutrino mixing can be achieved, using the see-saw mechanism with constrained sequential dominance, through the vacuum alignment of a broken non-Abelian gauged family symmetry such as SO(3) or SU(3). Generalising the approach of Altarelli and Feruglio developed for an A4 model we show how the reduction of the underlying symmetry to a discrete subgroup of SO(3) or SU(3) renders this alignment a generic property of such models. This means near tri-bimaximal mixing can be quite naturally accommodated in a complete unified theory of quark and lepton masses.
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/1b0ebafa73eae6827767c2181f02808519c96aaf
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In Nuclear and High Energy Physics
Citations in the corpus
- Neutrino mass and mixing with discrete symmetry (2013, background): “ it is mandatory to work in a basis where this is explicitly realised, i.e. where all group generators are real. Applications of the F-term alignment mechanism in indirect models can be found e.g. in [109,117,118]. In addition to the usual F-term alignment mechanism, indirect models offer an elegant ”
- CP and discrete flavour symmetries (2012, unknown): “[62].”