Q Value and Half-Lives for the Double-β-Decay Nuclide 110Pd

Fink, Daniel; Barea, J.; Beck, Dietrich; Blaum, Klaus; Böhm, Christine; Borgmann, Christopher; Breitenfeldt, M.; Herfurth, Frank; Herlert, Alexander; Kotila, J.; Kowalska, Magdalena; Kreim, Susanne Waltraud; Lunney, Dave; Naimi, Sarah; Rosenbusch, M.; Schwarz, S.; Schweikhard, Lutz; Sĭmkovic, F.; Stanja, J.; Zuber, Kai

doi:10.1103/PhysRevLett.108.062502

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Q Value and Half-Lives for the Double-β-Decay Nuclide ¹¹⁰Pd

MPS-Authors

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Fink, Daniel
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;
Fakultät für Physik und Astronomie, Ruprecht-Karls-Universität;
CERN;

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Blaum, Klaus
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30319

Böhm, Christine
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Borgmann, Christopher
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Kowalska, Magdalena
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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Kreim, Susanne Waltraud
Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society;

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引用

Fink, D., Barea, J., Beck, D., Blaum, K., Böhm, C., Borgmann, C., Breitenfeldt, M., Herfurth, F., Herlert, A., Kotila, J., Kowalska, M., Kreim, S. W., Lunney, D., Naimi, S., Rosenbusch, M., Schwarz, S., Schweikhard, L., Sĭmkovic, F., Stanja, J., & Zuber, K. (2012). Q Value and Half-Lives for the Double-β-Decay Nuclide ¹¹⁰Pd. Physical Review Letters, 108:, pp. 1-5. doi:10.1103/PhysRevLett.108.062502.

引用: https://hdl.handle.net/11858/00-001M-0000-000F-42C9-0

要旨

The ¹¹⁰Pd 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)×10²⁰ yr. With its high natural abundance, the new results reveal ¹¹⁰Pd to be an excellent candidate for double-β decay studies.