Average and recommended half-life values for two-neutrino double beta decay: Upgrade-2019

All existing positive results on two neutrino double beta decay and two neutrino double electron capture in different nuclei were analyzed. Using the procedure recommended by the Particle Data Group, weighted average values for half-lives of 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 100Mo - 100Ru (01+), 116Cd,...

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Bibliographic Details
Main Author: Barabash, A. S.
Format: Conference Proceeding
Language:English
Subjects:
Beta decay
Electron capture
Half-life
Neutrinos
Zirconium isotopes
Online Access:Get full text
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Summary:All existing positive results on two neutrino double beta decay and two neutrino double electron capture in different nuclei were analyzed. Using the procedure recommended by the Particle Data Group, weighted average values for half-lives of 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 100Mo - 100Ru (01+), 116Cd, 130Te, 136Xe, 150Nd, 150Nd - 150Sm (01+), 238U, 78Kr and 124Xe were obtained. Existing geochemical data were analyzed and recommended values for half-lives of 128Te and 130Ba are proposed. I recommend the use of these results as the most currently reliable values for half-lives.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.5130963