Direct Q-Value Determination of the β− Decay of 187Re

Filianin, P. E.; Lyu, Chunhai; Door, M.; Blaum, K.; Huang, W. J.; Haverkort, M.; Indelicato, P.; Keitel, C. H.; Kromer, K.; Lange, D.; Novikov, Y. N.; Rischka, A.; Schüssler, R. X.; Schweiger, C.; Sturm, S.; Ulmer, S.; Harman, Z.; Eliseev, S.

doi:10.1103/PhysRevLett.127.072502

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Direct Q-Value Determination of the β⁻ Decay of ¹⁸⁷Re

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

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Lyu, Chunhai
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

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

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

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Keitel, C. H.
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

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

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

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

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

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

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Harman, Z.
Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society;

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

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https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.127.072502
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https://www.mpi-hd.mpg.de/mpi/en/public-relations/news/news-item/important-measuring-method-of-neutrino-physics-on-the-test-bench
(Supplementary material)

https://www.mpi-hd.mpg.de/mpi/de/nachrichten/nachricht/wichtige-messmethode-der-neutrinophysik-auf-dem-pruefstand
(Supplementary material)

https://idw-online.de/en/news774284
(Supplementary material)

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2108.07039.pdf
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Citation

Filianin, P. E., Lyu, C., Door, M., Blaum, K., Huang, W. J., Haverkort, M., et al. (2021). Direct Q-Value Determination of the β⁻ Decay of ¹⁸⁷Re. Physical Review Letters, 127(7): 072502. doi:10.1103/PhysRevLett.127.072502.

Cite as: https://hdl.handle.net/21.11116/0000-0009-05E5-F

Abstract

The cyclotron frequency ratio of ¹⁸⁷Os²⁹⁺ to ¹⁸⁷Re²⁹⁺ ions was measured with the Penning-trap mass spectrometer PENTATRAP. The achieved result of R=1.000 000 013 882(5) is to date the most precise such measurement performed on ions. Furthermore, the total binding-energy difference of the 29 missing electrons in Re and Os was calculated by relativistic multiconfiguration methods, yielding the value of ΔE=53.5(10) eV. Finally, using the achieved results, the mass difference between neutral ¹⁸⁷Re and ¹⁸⁷Os, i.e., the Q value of the β^-− decay of ¹⁸⁷Re, is determined to be 2470.9(13) eV.