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

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.

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2108.07039.pdf (Preprint), 6MB
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MPIK press release: Important measuring method of neutrino physics on the test bench
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MPIK-Pressemitteilung: Wichtige Messmethode der Neutrinophysik auf dem Prüfstand
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 Creators:
Filianin, P. E.1, Author           
Lyu, Chunhai2, Author           
Door, M.1, Author           
Blaum, K.1, Author           
Huang, W. J., Author
Haverkort, M., Author
Indelicato, P., Author
Keitel, C. H.2, Author           
Kromer, K.1, Author           
Lange, D., Author
Novikov, Y. N., Author
Rischka, A.1, Author           
Schüssler, R. X.1, Author           
Schweiger, C.1, Author           
Sturm, S.1, Author           
Ulmer, S., Author
Harman, Z.2, Author           
Eliseev, S.1, Author           
Affiliations:
1Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
2Division Prof. Dr. Christoph H. Keitel, MPI for Nuclear Physics, Max Planck Society, ou_904546              

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Free keywords: Nuclear Experiment, nucl-ex
 MPINP: Präzisionsexperimente - Abteilung Blaum
 MPINP: Expt. PENTATRAP - Abteilung Blaum
 MPINP: Research group Z. Harman – Division C. H. Keitel
 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.

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 Dates: 2021-08-13
 Publication Status: Published online
 Pages: 6 pages, 4 figures, 1 table
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: arXiv: 2108.07039
DOI: 10.1103/PhysRevLett.127.072502
 Degree: -

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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 127 (7) Sequence Number: 072502 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1