A model for Dirac neutrino masses and mixings

Details A model for Dirac neutrino masses and mixings A model for Dirac neutrino masses and mixings

Nov 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phlb..198...69m&link_type=abstract

Physics Letters B, Volume 198, Issue 1, p. 69-72.

Physics

20

Scientific paper

We present a gauge model for three families of fermions, where the Dirac neutrino mass matrix is calculable and takes a particularly simple form. The model predicts mνe ~ 0 and mνμ, mντ ≠ 0. Using known constraints on the mixing of the electron neutrino, we further predict that mνμ/mντ ~ mτ/2me. When combined with cosmological constraints on the mass density of the universe, this leads to mντ < 10-2 eV, which is in the correct range to provide a solar neutrino puzzle via MSW oscillation effect between νe and ντ.
Work supported by a grant from the National Science Foundation.

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