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arXiv · hep-ph/9906297

Bimaximal Mixing in an SO(10) Minimal Higgs Model

Carl H. Albright·S. M. Barr
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Abstract

An SO(10) SUSY GUT model was previously presented based on a minimal set of Higgs fields. The quark and lepton mass matrices derived fitted the data extremely well and led to large mixing of muon- and tau-neutrinos in agreement with the atmospheric neutrino data and to the small-angle MSW solution for the solar neutrinos. Here we show how a slight modification leading to a non-zero up quark mass can result in bimaximal mixing for the atmospheric and solar neutrinos. The "just-so" vacuum solution is slightly favored over the large-angle MSW solution on the basis of the hierarchy required for the right-handed Majorana matrix and the more nearly-maximal mixing angles obtained.

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Carl H. Albright, S. M. Barr. 1999-06-24. Bimaximal Mixing in an SO(10) Minimal Higgs Model. https://doi.org/10.1016/s0370-2693(99)00854-0

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