Abstract
We consider the possibility that nuclear no-neutrino double-beta decay is mediated by a universally coupled heavy Majorana electron neutrino. From the known rates of nuclear double-beta decays we conclude that the mass of this neutrino must be at least GeV.
- Received 16 December 1975
DOI:https://doi.org/10.1103/PhysRevD.13.2567
©1976 American Physical Society