Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-08-14
AIP Conf. Proc. 698 (2004) 222.
Physics
High Energy Physics
High Energy Physics - Phenomenology
4 pages; talk presented at the Conference on the Intersections of Particle and Nuclear Physics (CIPANP2003), New York City, Ma
Scientific paper
10.1063/1.1664230
A model based on SUSY SO(10) combined with SU(2) family symmetry is constructed. In contrast with the commonly used effective operator approach, 126-dimensional Higgs fields are utilized to construct the Yukawa sector. R-parity symmetry is thus preserved at low energies. The symmetric mass textures arising from the left-right symmetry breaking chain of SO(10) give rise to very good predictions for quark and lepton masses and mixings. The prediction for sin(2beta) agrees with the average of current bounds from BaBar and Belle. In the neutrino sector, our predictions are in good agreement with results from atmospheric neutrino experiments. Our model accommodates the LMA solution to the solar neutrino anomaly. The prediction of our model for the |U(e nu_3)| element in the MNS matrix is close to the sensitivity of current experiments; thus the validity of our model can be tested in the near future. We also investigate the correlation between the |U(e nu_3)| element and tan^{2}(theta_odot) in a general two-zero neutrino mass texture.
Chen Mu-Chun
Mahanthappa Kalyana T.
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