Evaluation of chronometers in plutonium age determination for nuclear forensics: What if the ‘Pu/U clocks’ do not match?
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.
STURM Monika;
RICHTER Stephan;
AREGBE Yetunde;
WELLUM Roger;
MIALLE Sébastien;
MAYER Klaus;
PROHASKA Thomas;
2014-09-22
SPRINGER
JRC88992
0236-5731,
http://rd.springer.com/article/10.1007/s10967-014-3294-8,
http://dx.doi.org/10.1007/s10967-014-3294-8,
https://publications.jrc.ec.europa.eu/repository/handle/JRC88992,
10.1007/s10967-014-3294-8,
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