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- Title
Radiative Majorana neutrino masses in a parity solution to the strong CP problem.
- Authors
Hall, Lawrence J.; Harigaya, Keisuke; Shpilman, Yogev
- Abstract
The strong CP problem is solved in Parity symmetric theories, with the electroweak gauge group containing SU(2)L × SU(2)R broken by the minimal set of Higgs fields. Neutrino masses may be explained by adding the same number of gauge singlet fermions as the number of generations. The neutrino masses vanish at tree-level and are only radiatively generated, leading to larger couplings of right-handed neutrinos to Standard Model particles than with the tree-level seesaw mechanism. We compute these radiative corrections and the mixing angles between left- and right-handed neutrinos. We discuss sensitivities to these right-handed neutrinos from a variety of future experiments that search for heavy neutral leptons with masses from tens of MeV to the multi-TeV scale.
- Subjects
NEUTRINO mass; ELECTROWEAK interactions; NEUTRINOLESS double beta decay; NEUTRINOS; RADIATIVE corrections; STANDARD model (Nuclear physics); STERILE neutrinos; FERMIONS
- Publication
Journal of High Energy Physics, 2024, Vol 2024, Issue 3, p1
- ISSN
1126-6708
- Publication type
Article
- DOI
10.1007/JHEP03(2024)047