Predictive Models of Large Neutrino Mixing Angles

Abstract

Several experimental results could be interpreted as evidence that certain neutrino mixing angles are large, of order unity. However, in the context of grand unified models the neutrino angles come out characteristically to be small, like the KM angles. It is shown how to construct simple grand-unified models in which neutrino angles are not only large but completely predicted with some precision. Six models are presented for illustration.

19 pages, LaTeX

References in corpus (6)

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• Expected Properties of Massive Neutrinos for Mass Matrices with a Dominant Block and Random Coefficients Order Unity
• Screening of Dirac flavor structure in the seesaw and neutrino mixing
• Quark and Lepton Flavor Mixings in the SU(5) Grand Unification Theory
• Composite model with neutrino large mixing
• Anomaly-Free Flavor Symmetry and Neutrino Anarchy
• Quark-Lepton Unification and Lepton Flavor Non-Conservation from a TeV-scale Seesaw Neutrino Mass Texture
• Fermion Mass Hierarchy in 6 dimensional SO(10) SUSY GUT
• Fermion Mass Hierarchy in Six Dimensional SO(10) Grand Unified Theory on a $T^2/Z_2$ Orbifold
• Neutrino Mass Models
• (S)fermion Masses in Fat Brane Scenario
• Possible Flavor Mixing Structures of Lepton Mass Matrices
• A simple model of generating fermion mass hierarchy in N=1 supersymmetric 6D SO(10) GUT
• Decoupling and lepton flavor violation in extra dimension
• Sizable D-term contribution as a signature of $E_6\times SU(2{)}_F\times U(1{)}_A$ SUSY GUT model