Relatively Large Theta13 from Modification to the Tri-bimaximal, Bimaximal and Democratic Neutrino Mixing Matrices
Chao, Wei · Zheng, Ya-juan
Original · EN
Inspired by the recent T2K indication of a relatively large theta₁₃, we provide a systematic study of some general modifications to three mostly discussed neutrino mixing patterns, i.e., tri-bimaximal, bimaximal and democratic mixing matrices. The correlation between theta₁₃ and two large mixing angles are provided according to each modifications. The phenomenological predictions of theta₁₂ and theta₂₃ are also discussed. After the exclusion of several minimal modifications, we still have reasonable predictions of three mixing angles in 3 Sigma level for other scenarios.
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