Abstract
Fission yields are especially well characterized for long-lived fission products. Modeling techniques incorporate numerous assumptions and can be used to deduce information about the distribution of short-lived fission products. This work is an attempt to gather experimental (model-independent) data on short-lived fission products. Fissile isotopes of uranium, neptunium, plutonium and americium were irradiated under pulse conditions at the Washington State University 1 MW TRIGA reactor to achieve ~108 fissions. The samples were placed on an HPGe (high purity germanium) detector to initiate counting in less than 3 min post irradiation. The data was analyzed to determine which radionuclides could be quantified and compared to the published fission yield data.
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Acknowledgments
This work was supported by the Office of Defense Nuclear Nonproliferation (DNN), US Department of Energy. Pacific Northwest National Laboratory is operated by Battelle Memorial Institute for the US Department of Energy under Contract DE-AC06-76RLO 1830.
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Metz, L.A., Payne, R.F., Friese, J.I. et al. Experimental measurements of short-lived fission products from uranium, neptunium, plutonium and americium. J Radioanal Nucl Chem 282, 373–377 (2009). https://doi.org/10.1007/s10967-009-0225-1
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DOI: https://doi.org/10.1007/s10967-009-0225-1