Neutrino mass matrix in the standard parametrization with texture two zeros

Details Neutrino mass matrix in the standard parametrization with texture two zeros Neutrino mass matrix in the standard parametrization with texture two zeros

2006-08-28

arxiv.org/abs/hep-ph/0608292v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

17 pages, 1 figure

Scientific paper

We study the texture two zeros neutrino mass matrices using the standard parametrization for the neutrino mixing matrix. We find that if the origin of CP violation in the leptonic sector is not due to the Dirac-type complex phase of the mixing matrix but because of some non-standard phenomena then some of the possible texture two mass matrices, which are allowed by standard parametrization, are found to be unsuitable to accommodate the observed data in the neutrino sector. Furthermore, incorporating nonzero Dirac phase in our analysis we find that many of them do not exhibit normal hierarchy.

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