On self-complementarity relations of neutrino mixing

Details On self-complementarity relations of neutrino mixing On self-complementarity relations of neutrino mixing

2012-02-20

arxiv.org/abs/1202.4258v6

Phys.Lett. B 710 (2012) 630-635

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, no figure, 3 tables. Version for publication in PLB

Scientific paper

10.1016/j.physletb.2012.03.026

With the latest results of a large mixing angle $\theta_{13}$ for neutrinos by the T2K, MINOS and Double Chooz experiments, we find that the self-complementarity (SC) relations agree with the data in some angle-phase parametrizations of the lepton mixing matrix. There are three kinds of self-complementarity relations: (1) $\vartheta_i+\vartheta_j=\vartheta_k=45^\circ$; (2) $\vartheta_i+\vartheta_j=\vartheta_k$; (3) $\vartheta_i+\vartheta_j=45^\circ$ (where $i$, $j$, $k$ denote the mixing angles in the angle-phase parametrizations). We present a detailed study on the self-complementarity relations in nine different angle-phase parametrizations, and also examine the explicit expressions in reparametrization-invariant form, as well as their deviations from global fit. These self-complementarity relations may lead to new perspective on the mixing pattern of neutrinos.

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