Basis for developing samarium AMS for fuel cycle analysis |
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Authors: | Bruce A Buchholz Steven R Biegalski Scott M Whitney Scott J Tumey C Jordan Weaver |
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Affiliation: | 1. CAMS L-397, LLNL, 7000 East Avenue, Livermore, CA 94551, USA;2. Nuclear Engineering Teaching Laboratory, University of Texas, Austin, TX 78741, USA |
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Abstract: | Modeling of nuclear reactor fuel burnup indicates that the production of samarium isotopes can vary significantly with reactor type and fuel cycle. The isotopic concentrations of 146Sm, 149Sm, and 151Sm are potential signatures of fuel reprocessing, if analytical techniques can overcome the inherent challenges of lanthanide chemistry, isobaric interferences, and mass/charge interferences. We review the current limitations in measurement of the target samarium isotopes and describe potential approaches for developing Sm-AMS. AMS sample form and preparation chemistry will be discussed as well as possible spectrometer operating conditions. |
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