Classification of effective neutrino mass operators

2001/06/05 by K. S. Babu, C. N. Leung · 7 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Neutrino Physics Research #Particle physics theoretical and experimental studies #hep-ph

paper · pdf · doi:10.1016/s0550-3213(01)00504-1

published as Nucl.Phys.B619:667-689,2001 · 34 pages in RevTeX with 18 figures

arxiv created 2001/06/05 · openalex publication_date 2001/12/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/01

Abstract

We present a classification of SU(3) x SU(2) x U(1) gauge invariant ΔL = 2 (L being lepton number) effective operators relevant for generating small Majorana neutrino masses. Operators of dimension up to 11 have been included in our analysis. This approach enables us to systematically identify interesting neutrino mass models. It is shown that many of the well-known models fall into this classification. In addition, a number of new models are proposed and their neutrino phenomenology is outlined. Of particular interest is a large class of models in which neutrinoless double beta decays arise at a lower order compared to the neutrino mass, making these decays accessible to the current round of experiments.

Citations

• Real-time, directional measurement ofB<mml:mprescripts/>8solar neutrinos in the Kamiokande II detector

Cited by

• Operator analysis of neutrinoless double beta decay
• Gauged baryon parity and nucleon stability
• From transition magnetic moments to Majorana neutrino masses
• Bilarge leptonic mixing from Abelian horizontal symmetries
• Effect of quark sector minimal flavor violation on neutrinoless double beta decay
• Various definitions of minimal flavour violation for leptons
• Neutrino mass, proton decay, and dark matter in TeV scale universal extra dimension models