Systematic search for successful lepton mixing patterns with nonzero theta_13

Details Systematic search for successful lepton mixing patterns with nonzero theta_13 Systematic search for successful lepton mixing patterns with nonzero theta_13

2011-07-20

arxiv.org/abs/1107.3970v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 4 figures, 2 tables; version to be published in Nuclear Physics B

Scientific paper

We perform a systematic search for simple but viable lepton mixing patterns. Our main criterion is that the mixing matrix can be parameterized by three rotation angles, which are simple fractions of pi. These simple rotation angles possess exact expressions for their sines and cosines, and often arise in the flavor symmetry models. All possible parameterizations of the mixing matrix are taken into account. In total, twenty successful mixing patterns are found to be consistent with the latest neutrino oscillation data (including the recent T2K results) in the CP conserving case, whereas fifteen mixing patterns are allowed in the maximal CP violating case. Potential radiative corrections to the constant mixing patterns are also calculated by solving the renormalization group equations.

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