Neutrino masses and lepton-flavor-violating τ decays in the supersymmetric left-right model

  • In the supersymmetric left-right model, the light neutrino masses are given by the Type-Ⅱ seesaw mechanism. A duality property of this mechanism indicates that there exist eight possible Higgs triplet Yukawa couplings which result in the same neutrino mass matrix. In this paper, we work out the one-loop renormalization group equations for the effective neutrino mass matrix in the supersymmetric left-right model. The stability of the Type-Ⅱ seesaw scenario is briefly discussed. We also study the lepton-flavor-violating processes (τ→ μγ and τ→eγ) by using the reconstructed Higgs triplet Yukawa couplings.
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CHAO Wei. Neutrino masses and lepton-flavor-violating τ decays in the supersymmetric left-right model[J]. Chinese Physics C, 2011, 35(3): 214-222. doi: 10.1088/1674-1137/35/3/002
CHAO Wei. Neutrino masses and lepton-flavor-violating τ decays in the supersymmetric left-right model[J]. Chinese Physics C, 2011, 35(3): 214-222.  doi: 10.1088/1674-1137/35/3/002 shu
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Received: 2010-05-10
Revised: 2010-10-20
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Neutrino masses and lepton-flavor-violating τ decays in the supersymmetric left-right model

  • Institute of High Energy Physics, Chinese Academy of Sciences, P.O. Box 918, Beijing 100049, China

Abstract: In the supersymmetric left-right model, the light neutrino masses are given by the Type-Ⅱ seesaw mechanism. A duality property of this mechanism indicates that there exist eight possible Higgs triplet Yukawa couplings which result in the same neutrino mass matrix. In this paper, we work out the one-loop renormalization group equations for the effective neutrino mass matrix in the supersymmetric left-right model. The stability of the Type-Ⅱ seesaw scenario is briefly discussed. We also study the lepton-flavor-violating processes (τ→ μγ and τ→eγ) by using the reconstructed Higgs triplet Yukawa couplings.

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