2017/05/31 by J. T. Penedo, J.T. Penedo, S. T. Petcov +3 · 29 citations
Physics and Astronomy · #CP violation #Double beta decay #Lepton #MAJORANA #Mixing (physics) #Neutrino #Neutrino Physics Research #Neutrino oscillation #Noncommutative and Quantum Gravity Theories #Particle physics theoretical and experimental studies #Pontecorvo–Maki–Nakagawa–Sakata matrix #Sterile neutrino #hep-ph
paper · pdf · doi:10.1007/jhep12(2017)022
published in Journal of High Energy Physics 2017(12) (Springer Nature) · 56 pages, includes 16 figures and 8 tables; the discussion on the possibility to discriminate experimentally between the different cases extended and a new related figure added; the discussion of neutrinoless double beta decay extended; references added; typos corrected; matches version published in JHEP
openalex created_date 2017/05/12 · openalex publication_date 2017/12/01 · arxiv created 2017/12/06 · arxiv updated 2017/12/07 · openalex updated_date 2026/08/05
We consider a class of models of neutrino mixing with S4 lepton flavour symmetry combined with a generalised CP symmetry, which are broken to residual Z2 and Z2 × H CP symmetries in the charged lepton and neutrino sectors, respectively, H CP being a remnant CP symmetry of the neutrino Majorana mass term. In this set-up the neutrino mixing angles and CP violation (CPV) phases of the neutrino mixing matrix depend on three real parameters — two angles and a phase. We classify all phenomenologically viable mixing patterns and derive predictions for the Dirac and Majorana CPV phases. Further, we use the results obtained on the neutrino mixing angles and leptonic CPV phases to derive predictions for the effective Majorana mass in neutrinoless double beta decay.