4He detectors for Mixed Oxide (MOX) fuel measurements

A neutron spectroscopic technique for plutonium content measurement is described. The technique exploits the kinematic cutoff of neutron emission in (α,n) reactions on oxygen. The Watt spectrum of fission neutron emission extends to higher energies without such a cutoff. 4 He scintillation detectors...

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Bibliographic Details
Published in2011 IEEE Nuclear Science Symposium Conference Record pp. 4858 - 4864
Main Authors Murer, D., Chandra, R., Davatz, G., Friederich, H., Gendotti, U., Howard, A., Lanza, R., Peerani, P., Tomanin, A.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.10.2011
Subjects
Neutrons
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Summary:A neutron spectroscopic technique for plutonium content measurement is described. The technique exploits the kinematic cutoff of neutron emission in (α,n) reactions on oxygen. The Watt spectrum of fission neutron emission extends to higher energies without such a cutoff. 4 He scintillation detectors were calibrated with an energy cut to reject neutrons of low energies, thereby making the detectors sensitive only to fission neutrons but not to neutrons from the (a,n) reaction on oxygen.
ISBN:1467301183
9781467301183
ISSN:1082-3654
2577-0829
DOI:10.1109/NSSMIC.2011.6152485