Low level .ALPHA. activity measurements with pulse shape discrimination - Application to the determination of .ALPHA.-nuclides in environmental samples.:—Application to the determination of α-nuclides in environmental samples—
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概要
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<I>Liquid scintillation counting of</I> α <I>rays with pulse shape discrimination was applied to the analysis of</I> <SUP>226</SUP>Ra <I>and</I> <SUP>239+240</SUP>Pu <I>in environmental samples and of</I> α-<I>emitters in/on a filter paper. The instrument used in this study was either a specially designed detector or a commercial liquid scintillation counter with an automatic sample changer, both of which were connected to the pulse shape discrimination circuit. The background counting rate in</I> α <I>energy region of 5-7 MeV was 0.01 or 0.04 cpm/MeV, respectively. The figure of merit indicating the resolving power for</I> α- <I>and</I> β-<I>particles in time spectrum was found to be 5.7 for the commercial liquid scintillation counter</I>.
- 社団法人 日本アイソトープ協会の論文
社団法人 日本アイソトープ協会 | 論文
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