Exact Parametrization of Majorana Neutrino Mass Matrix with Large Mixing

Details Exact Parametrization of Majorana Neutrino Mass Matrix with Large Mixing Exact Parametrization of Majorana Neutrino Mass Matrix with Large Mixing

1999-02-16

arxiv.org/abs/hep-ph/9902358v1

Mod.Phys.Lett. A14 (1999) 1625-1636

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, LaTeX, no figures

Scientific paper

10.1142/S0217732399001711

Under the assumption that the neutrinos are Majorana particles we study how the lepton mass matrices can be transformed into the simple form which has the same physical quantities by removing redundant parameters. We propose the exact parametrization of the lepton mass matrices which reflects the small nu_e-nu_mu mixing and the large nu_mu-nu_tau mixing. The relations between the twelve parameters and the physical quantities are shown. Furthermore we calculate the MNS matrix by applying the assumptions used in the quark sector. Finally we also check the validity of these assumptions from the experimental values.

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