![]() Perey FG (1977) Least squares dosimetry unfolding: the program STAY’SL. Payne RF, Schulte SM, Douglas M, Friese JI, Farmer OT III, Finn EC (2011) J Radioanal Nucl Chem 287:863–867 doi: 10.1007/s10967/s1096-yĭouglas M, Friese JI, Greenwood LR, Farmer OT III, Thomas ML, Maiti TC, Finn EC, Garofoli SJ, Gassman PL, Huff MM, Schulte SM, Smith SC, Thomas KK, Bachelor PP (2009) J Radioanal Nucl Chem 282:63–68 Greenwood LR, Wittman R, Pierson BP, Metz LA, Kephart RF, Finn EC, Friese JI (2012) J ASTM International 9: published online įinn EC, Friese JI, Greenwood LR, Kephart J, Metz LA, Kephart RF, Pierson BP (2012) J Radioanal Nucl Chem. Selby HD, Mac Innes MR, Barr DW, Keksis AL, Meade RA, Burns CJ, Chadwick MB, Wallstrom TC (2010) Nucl Data Sheets 111:2891–2922Ĭhadwick MB, Kawano T, Barr DW, Mac Innes MR, Kahler AC, Graves T, Selby H, Burns CJ, Inkret WC, Keksis AL, Lestone JP, Sierk AJ, Talou P (2010) Nucl Data Sheets 111:2923–2964 Reactor dosimetry measurements were also completed to fully characterize the neutron spectrum and total fluence of the irradiation. Fission yields for products were calculated from the radiometric measurements and compared to measurements from thermal neutron induced fission (analyzed in parallel with the non-thermal sample at PNNL) and published evaluated fast-pooled and thermal nuclear data. After 3 days of cooling, the sample was shipped to PNNL for radiochemical separations and analysis by gamma and beta spectroscopy. An HEU foil was irradiated inside of the capsule in WSU’s 1 MW TRIGA reactor at full power for 200 min to produce 5.8 × 10 13 fissions. The presented work used this B 4C capsule to create a fission product sample from the irradiation of highly enriched uranium (HEU) with a fast fission neutron spectrum. ![]() A boron carbide capsule was previously designed and tested by Pacific Northwest National Laboratory (PNNL) and Washington State University (WSU) for spectral-tailoring in mixed spectrum reactors. ![]()
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