Abstract
A comprehensive study has been carried out of the yield pattern of fission products formed in fast neutron-induced fission of 233U. The isotope separator on-line facility at Studsvik to the R2-0 nuclear reactor was used for rapid separation of the fission products. At a target temperature of 2250°C fission products of the elements from zinc (Z = 30) to barium (Z = 56) are released, with the exception of yttrium, zirconium, niobium, molybdenum, technetium, ruthenium and rhodium. The individual isotopes are then available for study, implying that an almost complete mapping of the yield distribution can be made. In the analysis, the delay between production and measurement and the overall separator efficiency for three consecutive elements (the one under study and its parent and grand parent) are taken into account. Independent and/or cumulative yields have been obtained for 203 nuclear species, among them 59 isomeric states.
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Galy, J., Fogelberg, B., Storrer, F. et al. Yields of products from fast neutron-induced fission of 233U measured by means of an isotope separator on-line (ISOL) system. Eur. Phys. J. A 8, 331–354 (2000). https://doi.org/10.1007/s100500070086
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DOI: https://doi.org/10.1007/s100500070086