Title: Evaluation of chronometers in plutonium age determination for nuclear forensics: What if the ‘Pu/U clocks’ do not match?
Authors: STURM MonikaRICHTER StephanAREGBE YetundeWELLUM RogerMIALLE SÉBASTIENMAYER KlausPROHASKA Thomas
Citation: JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY vol. 302 no. 1 p. 399-411
Publisher: SPRINGER
Publication Year: 2014
JRC N°: JRC88992
ISSN: 0236-5731
URI: http://rd.springer.com/article/10.1007/s10967-014-3294-8
http://dx.doi.org/10.1007/s10967-014-3294-8
http://publications.jrc.ec.europa.eu/repository/handle/JRC88992
DOI: 10.1007/s10967-014-3294-8
Type: Articles in periodicals and books
Abstract: This article discusses the age dating results of plutonium/uranium chronometers with a focus on the consequences for age plutonium determination when the basic assumptions of the methodology are not fully met: Incomplete removal of the daughter nuclides at the production date and uranium contamination of plutonium samples. In addition to the 238Pu/234U, 239Pu/235U and 240Pu/236U, the 242Pu/238U chronometer is discussed. The 242Pu/238U radiochronometer has only scarcely been used, due to its high sensitivity to residual uranium. However, it can be a very useful indicator for uranium contamination of aged plutonium samples.
JRC Directorate:Health, Consumers and Reference Materials

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