Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-05-08
Physics
High Energy Physics
High Energy Physics - Phenomenology
36 pages, latex, 17 figures. Preprint version contains "low resolution" figures to reduce the size of overall postscript file.
Scientific paper
10.1143/PTP.112.533
We study the symmetric 2-zero texture of the neutrino mass matrix, which is obtained from the symmetric Dirac neutrino mass matrix with 2-zeros and right-handed Majorana neutrino mass matrix with the general form via the see-saw mechanism, for the SUSY SO(10) GUT model including the Pati-Salam symmetry. We show that the only one texture in our model, having degenerate mass spectrum for the 1st and 2nd generation of right-handed Majorana neutrino, can simultaneously explain the current neutrino experimental data, lepton flavor violating processes and baryon asymmetry of the Universe. Within such a framework, the predicted values of the light and heavy Majorana neutrino masses, together with $|U_{e3}|$, $J_{{\rm CP}}$ and $|< M_{ee} >|$, are almost uniquely determined.
Bando Masako
Kaneko Satoru
Obara Midori
Tanimoto Morimitu
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