Q-Value and Half-Lives for the Double-Beta-Decay Nuclide 110Pd
Fink, D. · Barea, J. · Beck, D. · Blaum, K. · Böhm, Ch. · Borgmann, Ch. · Breitenfeldt, M. · Herfurth, F. · Herlert, A. · Kotila, J. · Kowalska, M. · Kreim, S. · Lunney, D. · Naimi, S. · Rosenbusch, M. · Schwarz, S. · Schweikhard, L. · Simkovic, F. · Stanja, J. · Zuber, K.
الأصل · EN
The 110Pd double-beta decay Q-value was measured with the Penning-trap mass spectrometer ISOLTRAP to be Q = 2017.85(64) keV. This value shifted by 14 keV compared to the literature value and is 17 times more precise, resulting in new phase-space factors for the two-neutrino and neutrinoless decay modes. In addition a new set of the relevant matrix elements has been calculated. The expected half-life of the two-neutrino mode was reevaluated as 1.5(6) E20 yr. With its high natural abundance, the new results reveal 110Pd to be an excellent candidate for double-beta decay studies.
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