{"title":"同位素质谱法测定241Pu的半衰期","authors":"P. De Bièvre, M. Gallet, R. Werz","doi":"10.1016/0020-7381(83)85032-3","DOIUrl":null,"url":null,"abstract":"<div><p>The decrease in the <sup>241</sup>Pu/<sup>240</sup>Pu isotope ratio and in the ratio of the isotope ratios (<sup>241</sup>Pu/<sup>240</sup>Pu)/(<sup>240</sup>Pu/<sup>239</sup>Pu) due to the β-decay of <sup>241</sup>Pu was measured by high-precision isotope mass spectrometry over a period of six years on a 93% isotopically enriched sample. The resulting value for the <sup>241</sup>Pu half-life is 14.33 ± 0.02 years.</p></div>","PeriodicalId":13998,"journal":{"name":"International Journal of Mass Spectrometry and Ion Physics","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1983-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0020-7381(83)85032-3","citationCount":"15","resultStr":"{\"title\":\"Determination of the 241Pu half-life by isotope mass spectrometry\",\"authors\":\"P. De Bièvre, M. Gallet, R. Werz\",\"doi\":\"10.1016/0020-7381(83)85032-3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The decrease in the <sup>241</sup>Pu/<sup>240</sup>Pu isotope ratio and in the ratio of the isotope ratios (<sup>241</sup>Pu/<sup>240</sup>Pu)/(<sup>240</sup>Pu/<sup>239</sup>Pu) due to the β-decay of <sup>241</sup>Pu was measured by high-precision isotope mass spectrometry over a period of six years on a 93% isotopically enriched sample. The resulting value for the <sup>241</sup>Pu half-life is 14.33 ± 0.02 years.</p></div>\",\"PeriodicalId\":13998,\"journal\":{\"name\":\"International Journal of Mass Spectrometry and Ion Physics\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1983-06-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0020-7381(83)85032-3\",\"citationCount\":\"15\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Mass Spectrometry and Ion Physics\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0020738183850323\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Mass Spectrometry and Ion Physics","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0020738183850323","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Determination of the 241Pu half-life by isotope mass spectrometry
The decrease in the 241Pu/240Pu isotope ratio and in the ratio of the isotope ratios (241Pu/240Pu)/(240Pu/239Pu) due to the β-decay of 241Pu was measured by high-precision isotope mass spectrometry over a period of six years on a 93% isotopically enriched sample. The resulting value for the 241Pu half-life is 14.33 ± 0.02 years.
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