Preparation of 235mU targets for 235U(n,n′)235mU cross section measurements

This paper describes the preparation of samples for an experiment to measure the cross-section for 235 U(n,n′) 235m U in a fast fission spectrum of neutrons provided by a fast pulsed reactor/critical assembly. Samples of 235m U have been prepared for the calibration of the internal conversion electr...

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Bibliographic Details
Published in:Journal of radioanalytical and nuclear chemistry 2008-05, Vol.276 (2), p.549-554
Main Authors: Bond, E. M., Glover, S., Vieira, D. J., Rundberg, R. S., Belier, G., Meot, V., Hynek, D., Jansen, Y., Becker, J., Macri, R.
Format: Article
Language:English
Subjects:
Anion exchanging
Chemical separation
Chemistry
Chemistry and Materials Science
Diagnostic Radiology
Hadrons
Heavy Ions
Inorganic Chemistry
Internal conversion
Nuclear Chemistry
Nuclear cross sections
Nuclear Physics
Physical Chemistry
Separation Chemistry and Target Preparation for Nuclear Chemistry Experiments
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Summary:This paper describes the preparation of samples for an experiment to measure the cross-section for 235 U(n,n′) 235m U in a fast fission spectrum of neutrons provided by a fast pulsed reactor/critical assembly. Samples of 235m U have been prepared for the calibration of the internal conversion electron detector that is used for the 235m U measurement. Two methods are described for the preparation of 235m U. The first method used a U-Pu chemical separation based on anion-exchange chromatography and the second method used an alpha recoil collection method. Thin, uniform samples of 235m U+ 235 U were prepared for the experiment using electrodeposition.
ISSN:0236-5731
1588-2780
DOI:10.1007/s10967-008-0540-y