Neutrino oscillations in grand unified models with a horizontal symmetry
Berezhiani Z. G., Chkareuli Dzh. L.
A new mechanism for the generation of neutrino masses is discussed in the SU(5) grand unified model with a horizontal symmetry SU(3)H between quark-lepton generations. A strong νμ~ντ mixing is predicted in a model with three quark generations. The primary oscillation effects in the six-generation model involve the mixing of only left-hand and right-hand neutrinos.