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Lower bound on neutrino mass and possible CP violation in neutrino oscillations

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arxiv 1311.7524 v1 pith:F6ZPO7SU submitted 2013-11-29 hep-ph

Lower bound on neutrino mass and possible CP violation in neutrino oscillations

classification hep-ph
keywords massneutrinoleptonmatricesbeenbounddiraclower
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The phenomenology of the most general lepton mass matrices obtained through weak basis transformations has been discussed. Using a hierarchical parametrization of these mass matrices, the exact relations for lepton mixing angles have been obtained assuming normal neutrino mass hierarchy and natural structures of lepton mass matrices. The recent three neutrino oscillation data together with the condition of naturalness on Dirac lepton mass matrices provide a lower bound on the lightest neutrino mass of m{\nu}1 > 3 meV along with a non-vanishing Dirac CP violating phase.

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