科研之友
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摘要
The decay of Pr-140 produced by activation with a clinical LINAC was investigated. The sample was counted by a HPGe detector with 40% relative efficiency. Transitions created by beta decay of Pr-140 were observed and corresponding energies lines and relative transition strengths were measured. In addition, half-life of Pr-140 was obtained at 3.38 +/- 0.06 min. The experimental results fitted nicely to the existing energy levels scheme of Pr-140. Notably, all results for transition energies are more accurate than the literature values, while the half-life and transition strengths showed accuracy similar to that of the literature.
- 出版日期2016-11-30
