b - tau unification and large atmospheric mixing: A Case for noncanonical seesaw

We study the second and third generation masses in the context of the minimal renormalizable SO(10) theory. We show that if the see-saw takes the non-canonical (type II) form, large atmospheric neutrino mixing angle requires b-tau unification.

Note:

4 pages, a new reference added, to be published in PRL

grand unified theory: SO(10)
fermion: mass generation
seesaw model
neutrino: mixing angle
neutrino: cosmic radiation
lepton quark: symmetry
tau
bottom

References(17)

Figures(0)

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