The Solar LMA neutrino oscillation solution in the Zee model

The Solar LMA neutrino oscillation solution in the Zee model
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DOI:
10.1016/s0370-2693(01)00532-9
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发表时间:
2001-04
期刊:
影响因子:
4.4
通讯作者:
K. Balaji;W. Grimus;T. Schwetz
K. Balaji;W. Grimus;T. Schwetz
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
K. Balaji;W. Grimus;T. Schwetz

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我们研究了两个Higgs双重态都与轻子耦合的Zee模型中的中微子质量矩阵。我们表明,在这种情况下,可以容纳大混合角(LMA)的MSW解决方案的太阳中微子问题,同时避免最大的太阳能混合和冲突的轻子族数违反相互作用的约束。在我们考虑的简化方案中,我们有中微子质量谱,其特征为m1 <$m2 <$Δ m2 atm/ sin 2θ和m3/m1 <$cos2 θ,其中θ是太阳混合角。
We examine the neutrino mass matrix in the version of Zee model where both Higgs doublets couple to the leptons. We show that in this case one can accommodate the large mixing angle (LMA) MSW solution of the solar neutrino problem, while avoiding maximal solar mixing and conflicts with constraints on lepton family number-violating interactions. In the simplified scenario we consider, we have the neutrino mass spectrum characterized by m1≃m2≃ Δm2atm/ sin 2θ and m3/m1≃cos2θ, where θ is the solar mixing angle.