Neutrino Masses in Flipped SU(5)
G. K. Leontaris, J. D. Vergados
Abstract
We analyse the fermion masses and mixings in the flipped SU(5) model. The fermion mass matrices are evolved from the GUT scale down to mW by solving the renormalization group equations for the Yukawa couplings. The constraints imposed by the charged fermion data are then utilised to make predictions about the neutrino properties . It is found that the generalized see-saw mechanism which occurs naturally in this model can provide i)a solution to the solar neutrino problem via the MSW mechanism and ii)a sufficiently large ντ mass to contribute as a hot dark matter component as indicated by the recent COBE data.
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