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- Title
Corrections for neutron activation analysis with non-1/v nuclides using reactor moderator temperature readings.
- Authors
St-Pierre, J.; Kennedy, G.
- Abstract
Neutron activation analysis using the single comparator method or the k 0 method may be less accurate in the cases of non-1/ v nuclides if irradiations are done at varying reactor temperatures. We propose a method to correct this effect, using available reactor moderator temperature readings. It was verified by the irradiation of two non-1/ v nuclides, 176Lu and 151Eu. Irradiations were carried out in two irradiation sites at two reactor powers and at estimated neutron temperatures varying from 18 to 46 °C. In all cases the measured activities showed a variation with temperature consistent with published tables of the variation of the Westcott g-factor. The method should be accurate to 1% for most small reactors and eliminates the need to irradiate temperature monitors.
- Subjects
NUCLEAR activation analysis; REACTOR moderators; TEMPERATURE; IRRADIATION; ESTIMATION theory; RADIOACTIVITY
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2007, Vol 271, Issue 2, p283
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-007-0205-2