E_6 Unification, Large Neutrino Mixings and SUSY Flavor Problem(Particles and Fields)
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概要
- 論文の詳細を見る
The results of this study indicate that in E_6 grand unified theories (GUTs), once a hierarchical structure of up-quark-type Yukawa couplings is given as a basic structure of flavor, lepton mixings that are larger than the quark mixings and down-quark-type (and charged-lepton-type) mass hierarchies that are milder than the up-quark-type mass hierarchy can generically be obtained under a few natural assumptions. The basic flavor structure is compatible with non-Abelian horizontal symmetry, which can solve the SUSY flavor problem. It is shown that in solving the SUSY flavor problem, the E_6 structure, which realizes bi-large neutrino mixings, also solves a problem that results from the large neutrino mixing angles.
- 理論物理学刊行会の論文
- 2004-10-25
著者
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Maekawa N
名古屋大学大学院理学研究科
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Maekawa Nobuhiro
Department Of Anesthesia And Perioperative Medicine Kobe University
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