Tri-bimaximal Neutrino Mixing from Orbifolding

By Guido Altarelli, F. Feruglio, Y. Lin. 2006

186 citations recorded by the source corpus.

We show that the A4 discrete symmetry that naturally leads to tri-bimaximal neutrino mixing can be simply obtained as a result of an orbifolding starting from a model in 6 dimensions. This particular orbifolding has four fixed points where 4 dimensional branes are located and the tetrahedral symmetry of A4 connects these branes. In this approach A4 appears after the reduction from six to four dimensions as a remnant of the 6D space-time symmetry. A previously discussed supersymmetric version of A4 is reinterpreted along these lines.

Subfields: Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/ae7fc9b026e0468182c3384d95263bbd08fa4e61

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In Nuclear and High Energy Physics

1. L. Merlo
2. F. Feruglio
3. Guido Altarelli
4. Z. Xing
5. S. King
6. S. Petcov
7. Igor P. Ivanov
8. J. Penedo

Citations in the corpus

• Revisiting Bimaximal Neutrino Mixing in a Model with S(4) Discrete Symmetry (2009, background): “For example, in [7–9], the authors obtain from A4 (which is a subgroup of S4) a natural (in our sense) model for the TB mixing by simply not including symmetry breaking flavons transforming like the 1’ and the 1” representations of A4 (a restriction not allowed by the rules specified in ref.”