Determination of the 151Sm half-life
- BE Marie-Martine
- ISNARD Helene
- CASSETTE P.
- MOUGEOT X.
- LOURENCO V
- ALTZITZOGLOU Timotheos
- POMME Stefaan
- ROZKOV ANDREJ
- AUERBACH P.
- SOCHOROVA J.
- DZIEL T.
- DERSCH Rainer
- KOSSERT K.
- NAEHLE O.
- KRIVOSIK M.
- OMETAKOVA Jarmila
- STADELMANN G.
- NONELL A.
- CHARTIER F.
Publication date
February 2015
DOI Publisher
Walter de Gruyter GmbH ISSN
0033-8230 Journal
Radiochimica Acta Citation count (estimate)
1Abstract
New measurements have been undertaken to determine the half-life of 151Sm. A pure 151Sm solution was obtained after chemical separation from a samarium solution resulting from the dissolution of an irradiated samarium sample. The concentration of 151Sm in the solution was measured by mass spectrometry, combined with the isotope dilution technique. The activity of the solution was measured by liquid scintillation counting by six European laboratories as part of an international comparison. These combined results lead to a half-life of T1/2 = 94.6(6) a.JRC.D.4-Standards for Nuclear Safety, Security and Safeguard
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