Lepton mass and mixing matrices involving a 17-keV Dirac τ neutrino

Details Lepton mass and mixing matrices involving a 17-keV Dirac τ neutrino Lepton mass and mixing matrices involving a 17-keV Dirac τ neutrino

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992phrvd..45.1624a&link_type=abstract

Physical Review D (Particles and Fields), Volume 45, Issue 5, 1 March 1992, pp.1624-1627

Physics

3

Quark And Lepton Masses And Mixing

Scientific paper

We extend our study of neutrino masses and mixings to the case of a 17-keV Dirac τ neutrino, which has reappeared in recent β-decay experiments. A special set of Dirac submatrices is inputted which works well for quarks and yields a top-quark mass near 135 GeV. Unlike our previous Majorana neutrino study, however, we cannot simultaneously explain all the data including the 17-keV neutrino, its small ||Vντe||2=0.0085 coupling to the electron, the present accelerator neutrino oscillation bounds, and the preferred solar-neutrino nonadiabatic Mikheyev-Smirnov-Wolfenstein effect interpretation.

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