Radiative seesaw in left-right symmetric model
arXiv:0807.0270 · doi:10.1103/PhysRevD.78.073012
Abstract
There are some radiative origins for the neutrino masses in the conventional left-right symmetric models with the usual bi-doublet and triplet Higgs scalars. These radiative contributions could dominate over the tree-level seesaw and could explain the observed neutrino masses.
5 pages, 3 figures. Revised version with minor change. Accepted by PRD