Triviality and vacuum stability bounds in the three-loop neutrino mass model

Details Triviality and vacuum stability bounds in the three-loop neutrino mass model Triviality and vacuum stability bounds in the three-loop neutrino mass model

2011-02-16

arxiv.org/abs/1102.3412v1

Phys.Rev.D83:075016,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, 14 figures

Scientific paper

10.1103/PhysRevD.83.075016

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 odd under the $Z_2$ parity. In this model, some of the neutrino Yukawa coupling constants can be of the order of one. Requirement of strongly first order phase transition for successful electroweak baryogenes is 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.

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