Author:
V. BulovićHot Laboratory Department of the Boris Kidrič Institute of Nuclear Sciences Vinča Yugoslavia

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Abstract  

The burn-up of235U was determined in two uranium oxide samples (0.713 and 89.9%235U in mixture) irradiated simultaneously with a cobalt monitor, from the amounts of95Zr,103Ru,137Cs,140Ba and144Ce obtained by measuring the intensities of the corresponding gamma radiations. The samples were irradiated for 23 days, and the fission products were measured after cooling for 100 days, nondestructively, by means of a Ge(Li) spectrometer. The integrated neutron flux was determined by measuring the produced60Co in the cobalt monitor. The burn-up in both samples was determined by measuring the intensity of eight gamma energies (0.5–1.6 MeV). The determined values are in good agreement. The standard deviation of the mean value (
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) is 5%. The atom per cent fission of235U in both samples, calculated according to
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, differs by 1%. The measured σf for235U is in good agreement with the data reported in the literature.
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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)