Abstract
233U α-decay was reinvestigated using a radiochemically purified source and high efficiency HPGe coaxial detectors; the lowenergy γ-spectrum was also measured using a LEPS detector. The energy and intensity values of one hundred sixty three γ-lines were determined, from which forty eight are newly reported with respect to the last study of Canty et al. A revised229Th level scheme was built, using the Ritz combination principle, in which nine levels are newly observed, at 371.3, 381.8, 465.5, 569.2, 584.9, 605.1, 620.8, 656.9 and 749.9 keV.
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El Samad, O., Ardisson, C., Hussonnois, M. et al. New gamma rays following the233U α-decay. Journal of Radioanalytical and Nuclear Chemistry Letters 164, 171–182 (1992). https://doi.org/10.1007/BF02163769
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DOI: https://doi.org/10.1007/BF02163769