S_4 Flavor Model of Quarks and Leptons(Particle Physics beyond the Standard Model)

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概要

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• We present an S_4 flavor model to unify quarks and leptons in the framework of the SU(5) GUT. Three generations of 5-plets in SU(5) are assigned to be 3_1 of S_4 while the first and the second generations of 10-plets in SU(5) are assigned to be 2 of S_4, and the third generation of 10-plet is to be 1_1 of S_4. Right-handed neutrinos are also assigned to be 2 for the first and second generations and 1_1 for the third generation, respectively. Taking vacuum alignments of relevant gauge singlet scalars, we predict the quark mixing as well as the tri-bimaximal mixing of neutrino flavors. Especially, the Cabbibo angle is predicted to be 15° in the limit of the vacuum alignment. We can improve the model to predict observed CKM mixing angles.

• 理論物理学刊行会の論文
• 2009-10-21

著者

• ISHIMORI Hajime

  Graduate School of Science and Technology, Niigata University

• SHIMIZU Yusuke

  Graduate School of Science and Technology, Niigata University

• TANIMOTO Morimitsu

  Department of Physics, Niigata University

• Shimizu Yusuke

  Graduate School Of Science And Technology Niigata University

• Ishimori Hajime

  Graduate School Of Science And Technology Niigata University

• Tanimoto Morimitsu

  Department Of Physics Ehime University

• Shimizu Yusuke

  Graduate School Of Science And Engineering University Of Toyama

• Ishimori Hajime

  Niigata Univ. Niigata Jpn

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