Suppressing Proton Decay by Cancellation in S_4 Flavor Symmetric Extra U(1) Model(Particles and Fields)

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概要

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• We consider proton stability based on E_6 inspired extra U(1) model with S_4 flavor symmetry. In this model, a long life time of proton is realized by the flavor symmetry. One of the interesting effects of flavor symmetry is that the proton decay widths of p → μ^+X are suppressed by cancellation. This suppression mechanism is important in the case that Yukawa coupling constants are hierarchical. Our model predicts p → e^+K^0 has larger decay width than that of p → μ^+K^0.

• 2012-12-25

著者

• Daikoku Yasuhiro

  Institute For Theoretical Physics Faculty Of Science Kanazawa University

• OKADA Hiroshi

  School of Physics, KIAS

関連論文

• Two Component Dark Matters in S_4×Z_2 Flavor Symmetric Extra U(1)(Particles and Fields)
• Radiative Symmetry Breaking and Higgs Mass Bound in the NMSSM
• Suppressing Proton Decay by Cancellation in S_4 Flavor Symmetric Extra U(1) Model(Particles and Fields)

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