Triviality and vacuum stability bounds in the three-loop neutrino mass model
Triviality and vacuum stability bounds in the three-loop neutrino mass model
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三环中微子质量模型中的平凡性和真空稳定性界限
DOI：
10.1103/physrevd.83.075016
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发表时间：
2011
期刊：
影响因子：
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通讯作者：
S.Kanemura and K.Yagyu
中科院分区：
文献类型：
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作者：
M.Aoki;S.Kanemura and K.Yagyu
我们研究了宇称下奇数TeV级右旋中微子三环辐射跷跷板模型中真空稳定性和平凡性条件下参数空间的理论约束。在这个模型中，一些中微子汤川耦合常数可以为1量级。成功的电弱重子发生所需的强一阶相变的要求也更喜欢标量扇区中的一阶耦合常数。因此，重要的是要澄清该模型在给定的截止范围内是否满足这些理论条件。结果发现，该模型在满足中微子数据、轻子味破坏数据、暗物质热遗迹丰度以及强一级相变要求的参数区域内，在10 TeV以上尺度上都能保持一致。
We study theoretical constraints on the parameter space under the conditions from vacuum stability and triviality in the three-loop radiative seesaw model with TeV-scale right-handed neutrinos which are <?format ?>odd under theparity. In this model, some of the neutrino Yukawa coupling constants can be of the order of 1. The requirement of a strongly first order phase transition for successful electroweak baryogenesis also prefers order-one coupling constants in the scalar sector. Hence, it is important to clarify whether this model satisfies those theoretical conditions up to a given cutoff scale. It is found that the model can be consistent up to the scale above 10 TeV in the parameter region where the neutrino data, the lepton-flavor violation data, the thermal relic abundance of dark matter as well as the requirement from the strongly first order phase transition are satisfied.