Q Value and Half-Lives for the Double-β-Decay Nuclide <sup>110</sup>Pd
- Fink, D.
- Barea, J.
- Beck, D.
- Blaum, K.
- Böhm, C.
- Borgmann, C.
- Breitenfeldt, M.
- Herfurth, F.
- Herlert, A.
- Kotila, J.
- Kowalska, M.
- Kreim, S.
- Lunney, D.
- Naimi, S.
- Rosenbusch, M.
- Schwarz, S.
- Schweikhard, L.
- Sĭmkovic, F.
- Stanja, J.
- Zuber, K.
Publication date
February 2012
DOIAbstract
The <sup>110</sup>Pd double-β 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 with 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)×10<sup>20</sup> yr. With its high natural abundance, the new results reveal <sup>110</sup>Pd to be an excellent candidate for double-β decay studies
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