Naturalness, vacuum stability, and leptogenesis in the minimal seesaw model

2016/11/30 by Gulab Bambhaniya, G. Bambhaniya, P. S. Bhupal Dev +4 · 5 citations
Physics and Astronomy · #Dark Matter and Cosmic Phenomena #Electroweak interaction #Electroweak scale #Higgs boson #Leptogenesis #Lepton #Lepton number #Mathematical physics #Naturalness #Neutrino #Neutrino Physics Research #Neutrino oscillation #Nuclear physics #Particle physics #Particle physics theoretical and experimental studies #Physics #Renormalization #Seesaw mechanism #Seesaw molecular geometry #Sterile neutrino #Yukawa potential #hep-ph

paper · pdf · doi:10.1103/physrevd.95.095016

published as Phys. Rev. D 95, 095016 (2017) · 22 pages, 11 figures; minor changes; version to appear in Phys. Rev. D

arxiv created 2017/05/12 · openalex publication_date 2017/05/19 · arxiv updated 2017/05/23 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

The right-handed neutrinos within the type-I seesaw mechanism can induce large radiative corrections to the Higgs mass, and naturalness arguments can then be used to set limits on their mass scale and Yukawa couplings. Driven by minimality, we consider the presence of two degenerate right-handed neutrinos. We compare the limits from naturalness with the ones from the stability of the electroweak vacuum and from lepton flavor violation. Implications from neutrinoless double beta decay are also discussed and renormalization effects for the light neutrino parameters are presented. Adding small perturbations to the degenerate heavy neutrino spectrum allows for successful leptogenesis.

Citations

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Cited by

• Neutrino CP violation and sign of baryon asymmetry in the minimal seesaw model
• Generation of a radiative neutrino mass in the linear seesaw framework, charged lepton flavor violation, and dark matter
• Low scale left-right symmetry and naturally small neutrino mass
• Dynamical inverse seesaw mechanism as a simple benchmark for electroweak breaking and Higgs boson studies
• TeV-scale resonant leptogenesis with new scaling ansatz on neutrino Dirac mass matrix from A4 flavor symmetry