Tri-bimaximal neutrino mixing and θ13

2009/03/31 by Stephen F. King, S. F. King · 1 citation
Mathematics · Physics and Astronomy · #Algorithm #Dark Matter and Cosmic Phenomena #Geometry #Mathematics #Mixing (physics) #Neutrino Physics Research #Particle physics theoretical and experimental studies #Physics #Quantum mechanics #hep-ph

paper · pdf · doi:10.1016/j.physletb.2009.04.031

published as Phys.Lett.B675:347-351,2009 · Published version, 13 pages

openalex publication_date 2009/04/17 · arxiv created 2011/07/06 · arxiv updated 2011/07/07 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We propose an extension of tri-bimaximal mixing to include a non-zero reactor angle θ₁₃ while maintaining the tri-bimaximal predictions for the atmospheric angle θ₂₃=45^o and solar angle θ₁₂=35^o. We show how such tri-bimaximal-reactor mixing can arise at leading order from the(type I) see-saw mechanism with partially constrained sequential dominance. Partially constrained sequential dominance can be realized in GUT models with a non-Abelian discrete family symmetry, such as A₄, spontaneously broken by flavons with a particular vacuum alignment.

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Cited by

• TeV-scale resonant leptogenesis with new scaling ansatz on neutrino Dirac mass matrix from A4 flavor symmetry