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|Title:||Evaluation of chronometers in plutonium age determination for nuclear forensics: What if the ‘Pu/U clocks’ do not match?|
|Authors:||STURM Monika; RICHTER Stephan; AREGBE Yetunde; WELLUM Roger; MIALLE SÉBASTIEN; MAYER Klaus; PROHASKA Thomas|
|Citation:||JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY vol. 302 no. 1 p. 399-411|
|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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