Universal quark-lepton mixing and determination of neutrino masses

Details Universal quark-lepton mixing and determination of neutrino masses Universal quark-lepton mixing and determination of neutrino masses

2000-06-16

arxiv.org/abs/hep-ph/0006185v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages

Scientific paper

If three right-handed neutrinos are added to the Standard Model, then, for the three known generations, there are six quarks and six leptons. It is then natural to assume that the symmetry considerations that have been applied to the quark matrices are also valid for the lepton mass matrices. Under this assumption, the solar and atmospheric neutrino data can be used to determine the individual neutrino masses. Three minima have been found, using the chi^2 fit, and, from these minima, it is determined that the mass of the lightest neutrino is 1.3\times10^-3 eV, that of the next heavier neutrino is 1.3\times10^-2 eV, while the mass of the heaviest neutrino is 3.4\times10^-2, 5.8\times10^-2 or 9.4\times10^-2 eV.

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