經典論文

Type-II Seesaw Mechanism
Neutrino masses, mixings and oscillations in SU(2) x U(1) models of electroweak interactions, Cheng, T. P., Li, Ling-Fong, Phys. Rev. D22 (1980) 2860.
Neutrino masses in SU(2) x U(1) theories, Schechter, J., Valle, J. W. F., Phys. Rev. D22 (1980) 2227.


Zee Model
A theory of lepton number violation and neutrino Majorana masses: A. Zee, Phys. Lett. 93b(1980)389.