Abstract
Inspired by the indication of a relatively large θ 13 from accelerator and reactor neutrino oscillation experiments, we provide a systematic study of general modifications to the three well-studied neutrino mixing patterns, i.e., tri-bimaximal, bimaximal and democratic lepton mixing matrices. The correlation between θ 13 and the other two neutrino mixing angles are derived for each types of additional rotations. Predictions on θ 12 and θ 23 are also studied. Our study shows that, although some types of additional rotations are already excluded by the current global fit data of neutrino mixing angles, several types of additional rotations still survive. Our results may provide a guideline for the model building in neutrino physics.
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Chao, W., Zheng, Yj. Relatively large Theta13 from modification to the tri-bimaximal, bimaximal and democratic neutrino mixing matrices. J. High Energ. Phys. 2013, 44 (2013). https://doi.org/10.1007/JHEP02(2013)044
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DOI: https://doi.org/10.1007/JHEP02(2013)044