Possible Alternatives to Tri-bimaximal Mixing
arXiv:1004.2798 · doi:10.1140/epjc/s10052-010-1492-2
Abstract
Possible alternatives to tri-bimaximal mixing are presented based on other symmetry principles, and their predictions for |U_{e3}|, sin^2 theta_{12} and sin^2 theta_{23} are compared to the present neutrino mixing data. In some cases perturbations are required to give better agreement with the data, and the use of a minimal approach is illustrated. Precise experimental determinations of the mixing parameters will be required to decipher the correct mixing pattern and to pin down the appropriate flavor symmetry.
21 pages, 6 figures
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- Z_2 Symmetry Prediction for the Leptonic Dirac CP Phase
- Discrete symmetries and model-independent patterns of lepton mixing
- A(4) Flavor Symmetry Model for Dirac-Neutrinos and Sizable U(e3)
- Neutrinoless Double Beta Decay, the Inverted Hierarchy and Precision Determination of theta(12)
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- Vacuum misalignment corrections to tri-bimaximal mixing and form dominance
- Bi-pair Neutrino Mixing
- Theoretical Overview on the Flavor Issues of Massive Neutrinos