The smallest neutrino mass

2006/11/30 by Sacha Davidson, Gino Isidori, Alessandro Strumia +1 · 2 citations
Physics and Astronomy · #Astrophysics and Cosmic Phenomena #Baryogenesis #MAJORANA #Massless particle #Neutrino #Neutrino Physics Research #Particle physics #Particle physics theoretical and experimental studies #Physics #Range (aeronautics) #hep-ph

paper · pdf · doi:10.1016/j.physletb.2007.01.015

published as Phys.Lett.B646:100-104,2007 · 6 pages. v2: final version to appear on PLB; important reference added

arxiv created 2007/01/17 · openalex publication_date 2007/01/26 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We consider models where one Majorana neutrino is massless at tree level (like the see saw with two right-handed neutrinos), and compute the contribution to its mass m generated by two-loop quantum corrections. The result is m ∼ 10^-13eV in the SM and m ∼ 10^-10 eV (tanBeta/10)⁴ in the MSSM, compatible with the restricted range suggested by Affleck-Dine baryogenesis.

Citations

• Electron and muon electric dipoles in supersymmetric scenarios
• Neutrino oscillations and signals in β and 0ν2β experiments
• Renormalization of the neutrino mass operator
• Extracting supersymmetry-breaking effects from wave-function renormalization
• Lepton flavor violation and neutrino mixings in a3×2seesaw model

Cited by

• Sterile neutrino dark matter from freeze-in
• Systematic classification of two-loop realizations of the Weinberg operator