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Cobimaximal Neutrino Mixing from $A_4$ and its Possible Deviation

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arxiv 1708.02208 v1 pith:BFYZEMEW submitted 2017-08-07 hep-ph

classification hep-ph
keywords matrixneutrinocobimaximalmixingpatternthetaachievedbeen
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abstract

It has recently been shown that the phenomenologically successful pattern of cobimaximal neutrino mixing ($\theta_{13} \neq 0$, $\theta_{23} = \pi/4$, and $\delta_{CP} = \pm \pi/2$) may be achieved in the context of the non-Abelian discrete symmetry $A_4$, if the neutrino mass matrix is diagonalized by an orthogonal matrix ${\cal O}$. We study how this pattern would deviate if ${\cal O}$ is replaced by an unitary matrix.

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Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. The $\pi/12$ model: trimaximal first-column lepton mixing with charged-lepton $\mu$--$\tau$ breaking

    hep-ph 2026-08 conditional novelty 6.0 of 10

    The pi/12 model fixes the electron row to sin2 theta12 = 0.31811 and sin2 theta13 = 0.02233, and predicts delta about 272 degrees, epsilon2 about -0.066, and sum m nu about 65.6 meV.

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