Neutrino Mixing and Maximal CP Violation

Details Neutrino Mixing and Maximal CP Violation Neutrino Mixing and Maximal CP Violation

2000-02-24

arxiv.org/abs/hep-ph/0002248v1

Acta Phys.Polon. B31 (2000) 1349-1364

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTex 13 pages (2 figures included), talk given (by H.F.) at the Cracow Epiphany Conference on Neutrinos in Physics and Astrop

Scientific paper

We propose a phenomenological model of lepton mixing and CP violation based on the flavor democracy of charge leptons and the mass degeneracy of neutrinos. A nearly bi-maximal flavor mixing pattern, which is favored by current data on atmospheric and solar neutrino oscillations, emerges naturally from this model after explicit symmetry breaking. The rephasing-invariant strength of CP or T violation can be as large as one percent, leading to significant probability asymmetries between \nu_\mu \to \nu_e and \bar{\nu}_\mu \to \bar{\nu}_e (or \nu_e \to \nu_\mu) transitions in the long-baseline neutrino experiments. The possible matter effects on CP- and T-violating asymmetries are also taken into account.

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