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TTP98-26 Neutrino mixing and seesaw mechanism

TTP98-26 Neutrino mixing and seesaw mechanism

TTP98-26 Neutrino mixing and seesaw mechanism

Models of neutrino masses are discussed capable of explaining in a natural way the maximal mixing between νμ and ντ observed by the Super-Kamiokande collaboration. For three generations of leptons two classes of such models are found implying: a) Δm232Δm122Δm132 and a small mixing between νe and the other two neutrinos, b) Δm122Δm132Δm232 and a nearly maximal mixing for solar neutrino oscillations in vacuum.

M. Jezabek and Y. Sumino
Phys. Lett. B440 327-331 1998
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