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Large Neutrino Mixing in Grand Unified Theories by Feruglio, Ferruccio is a scholarly article available to read on EtoBox.

What is Large Neutrino Mixing in Grand Unified Theories about?

A non-minimal, semi-realistic version of supersymmetric SU(5) grand unified theory is discussed. The solution of the doublet-triplet splitting problem leads to a better agreement between the predicted and observed values of the low-energy strong coupling constant and to a prolongation of the proton lifetime. A U(1) flavor symmetry allows to accommodate a realistic mass spectrum in the charged and in the neutral fermion sectors and protects doublet-triplet splitting and proton decay from dangerous radiative corrections or non-renormalizable operators.

Author

Feruglio, Ferruccio

Published

2001

Language

EN