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  Direct determination of the atomic mass difference of 187Re and 187Os for neutrino physics and cosmochronology

Nesterenko, D., Eliseev, S., Blaum, K., Block, M., Chenmarev, S., Dörr, A., et al. (2014). Direct determination of the atomic mass difference of 187Re and 187Os for neutrino physics and cosmochronology. Physical Review C, 90(4): 042501(R). doi:10.1103/PhysRevC.90.042501.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0024-24FF-9 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0024-2500-C
Genre: Journal Article

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http://link.aps.org/doi/10.1103/PhysRevC.90.042501 (Publisher version)
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 Creators:
Nesterenko, D.A.1, 2, Author
Eliseev, Sergey1, Author           
Blaum, Klaus1, Author           
Block, M.3, Author
Chenmarev, S.1, 4, Author
Dörr, Andreas1, Author           
Droese, C.5, 6, Author
Filianin, P.E.1, 4, Author
Goncharov, Mikhail1, Author           
Minaya Ramirez, Enrique1, Author           
Novikov, Yu.N.1, 2, 4, Author
Schweikhard, L.5, Author
Simon, V.V.3, 6, Author
Affiliations:
1Division Prof. Dr. Klaus Blaum, MPI for Nuclear Physics, Max Planck Society, ou_904548              
2Petersburg Nuclear Physics Institute, Gatchina, 188300 St. Petersburg, Russia, ou_persistent22              
3GSI Helmholtzzentrum für Schwerionenforschung GmbH, Planckstraße 1, 64291 Darmstadt, Germany, ou_persistent22              
4Physics Faculty of St. Petersburg State University, 198904 Peterhof, Russia, ou_persistent22              
5Institut für Physik, Ernst-Moritz-Arndt-Universität, 17487 Greifswald, Germany, ou_persistent22              
6Helmholtzinstitut Mainz, 55099 Mainz, Germany, ou_persistent22              

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 MPINP: Präzisionsexperimente - Abteilung Blaum
 Abstract: For the first time a direct determination of the atomic mass difference of <sup>187</Sup>Re and <sup>187</Sup>Os has been performed with the Penning-trap mass spectrometer SHIPTRAP applying the novel phase-imaging ion-cyclotron-resonance technique. The obtained value of 2492(30<sub>stat</sub>)(15<sub>sys</sub>) eV is in excellent agreement with the Q values determined indirectly with microcalorimetry and thus resolves a long-standing discrepancy with older proportional counter measurements. This is essential for the determination of the neutrino mass from the β<sup>-</Sup> decay of <sup>187</Sup>Re as planned in future microcalorimetric measurements. In addition, an accurate mass difference of <sup>187</Sup>Re and <sup>187</Sup>Os is also important for the assessment of <sup>187</Sup>Re for cosmochronology.

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Language(s): eng - English
 Dates: 2014-10-29
 Publication Status: Published online
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevC.90.042501
 Degree: -

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Title: Physical Review C
  Other : Phys. Rev. C
Source Genre: Journal
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Publ. Info: New York, NY : American Physical Society
Pages: - Volume / Issue: 90 (4) Sequence Number: 042501(R) Start / End Page: - Identifier: ISSN: 0556-2813
CoNE: https://pure.mpg.de/cone/journals/resource/954925225009