Neutrino masses and mixings in SO(10)

Details Neutrino masses and mixings in SO(10) Neutrino masses and mixings in SO(10)

1999-11-04

arxiv.org/abs/hep-ph/9911238v2

Mod.Phys.Lett.A15:15-22,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, no figures. References added

Scientific paper

10.1016/S0217-7323(00)00004-9

Assuming a Zee-like matrix for the right-handed neutrino Majorana masses in the see-saw mechanism, one gets maximal mixing for vacuum solar oscillations, a very small value for $U_{e3}$ and an approximate degeneracy for the two lower neutrino masses. The scale of right-handed neutrino Majorana masses is in good agreement with the value expected in a SO(10) model with Pati-Salam $SU(4)\ts SU(2)\ts SU(2)$ intermediate symmetry.

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