Average (RECOMMENDED) Half-Life Values for Two Neutrino Double Beta Decay
Abstract
All existing "positive" results on two neutrino double beta decay in different nuclei were analyzed. Using procedure recommended by Particle Data Group weighted average values for half-lives of 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 100Mo - 100Ru (0+1), 116Cd, 150Nd and 238U were obtained. Existing geochemical data were analyzed and recommended values for half-lives of 128Te and 130Te are proposed. We recommend to use these results as most precise and reliable values for half-lives at this moment.
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