Gilad Perez JHEP12(2000)027 doi:10.1088/1126-6708/2000/12/027
Lepton masses and mixing angles with spontaneously broken O(3) flavor symmetry
Gilad Perez1
Show affiliations We present a model based on an O(3) flavor symmetry and a minimal extension of the scalar sector to induce hierarchical breaking, O(3) → O(2) → SO(2) → nothing. The model naturally accounts for all the known lepton parameters and yields various interesting predictions for others: (i) Neutrinos are nearly degenerate, mν ~ 0.1 eV; (ii) The solar neutrino problem is solved by the MSW small mixing angle solution; (iii) The MNS mixing angle θ13 is unobservably small, θ13 = 
(10−5).
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Issue 12 ( 1 December 2000)
Received 24 October 2000, accepted for publication 27 December 2000
Published 15 January 2001
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Lepton masses and mixing angles with spontaneously broken O(3) flavor symmetry
Gilad Perez JHEP12(2000)027
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