I will present a simple, economic and predictive model of Yukawa structures in the context of a renormalizable SO(10) grandunification. The righthanded neutrino mass is generated radiatively. The fermions have Yukawa couplings with one 10 and one 120 dimensional Higgses. The model predicts in the approxiamate two generation scenario degenerate neutrinos, small quark mixing and b − τ Yukawa unification.

Topics
Electroweak interactions, Elementary particle interactions, Leptons, Renormalization and regularization, Yukawa interaction
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© 2005 American Institute of Physics.
2005
American Institute of Physics
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