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 Ue3 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) x SU(2) x SU(2) intermediate symmetry.
Neutrino masses and mixings in SO(10) / ABUD FILHO, Mario; Buccella, Franco; Falcone, Domenico; Ricciardi, Giulia; Tramontano, Francesco. - In: MODERN PHYSICS LETTERS A. - ISSN 0217-7323. - 15:1(2000), pp. 15-22. [10.1016/S0217-7323(00)00004-9]
Neutrino masses and mixings in SO(10)
ABUD FILHO, MARIO;BUCCELLA, FRANCO;RICCIARDI, GIULIA;TRAMONTANO, FRANCESCO
2000
Abstract
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 Ue3 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) x SU(2) x SU(2) intermediate symmetry.| File | Dimensione | Formato | |
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