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arXiv 0901.4122hep-ph
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准简并中微子与三-二-极大混合

Quasi-degenerate neutrinos and tri-bi-maximal mixing

Ivo de Medeiros Varzielas

摘要:

假设高能量的三双最大混合,我们研究轻子混合角的辐射运行,并获得限制的高能量标度要求与观察到的混合一致。我们构建了一个模型,其中一个非阿贝尔离散族对称性导致准简并中微子质谱和附近的三双最大混合。

英文摘要:

Assuming high-energy tri-bi-maximal mixing we study the radiative running of leptonic mixing angles and obtain limits on the high-energy scale from requiring consistency with the observed mixing. We construct a model in which a non-Abelian discrete family symmetry leads both to a quasi-degenerate neutrino mass spectrum and to near tri-bi-maximal mixing.

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