Investigating texture six zero lepton mass matrices

Details Investigating texture six zero lepton mass matrices Investigating texture six zero lepton mass matrices

2010-10-27

arxiv.org/abs/1010.5640v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

All possible hermitian texture 6 zero Fritzsch like as well as non Fritzsch like lepton mass matrices (144 combinations in all) have been investigated for both Majorana and Dirac neutrinos for their compatibility with the current neutrino oscillation data, keeping in mind the hierarchy of neutrino masses. All the combinations considered here are ruled out by the existing data in the case of inverted hierarchy and degenerate scenario of Majorana neutrino masses. For Majorana neutrinos with normal hierarchy, we find that out of 144 combinations, only 16 possibilities can accommodate the experimental data. Assuming neutrinos to be Dirac particles, normal hierarchy, inverted hierarchy as well as degenerate neutrinos are ruled out for all the combinations.

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