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- Title
Double-beta decay: Present status.
- Authors
Barabash, A. S.
- Abstract
The present status of double-beta-decay experiments (including the search for 2 β+, EC β+, and ECEC processes) are reviewed. The results of the most sensitive experiments are discussed. Average and recommended half-life values for two-neutrino double-beta decay are presented. Conservative upper limits on effective Majorana neutrino mass and the coupling constant of the Majoron to the neutrino are established as 〈 m ν 〉 < 0.75 eV and 〈 g ee〉 < 1.9 × 10−4, respectively. Proposals for future double-betadecay experiments with a sensitivity for the 〈 m ν〉 at the level of 0.01–0.1 eV are considered.
- Subjects
BETA decay; NEUTRINO mass; COUPLING constants; LEPTONS (Nuclear physics); NUCLEAR matrix
- Publication
Physics of Atomic Nuclei, 2010, Vol 73, Issue 1, p162
- ISSN
1063-7788
- Publication type
Article
- DOI
10.1134/S1063778810010187