AVERAGE CROSS SECTION OF THE $sup 32$S(n,p)$sup 32$P AND $sup 27$Al(n,$alpha$$)$$sup 24$Na REACTIONS FOR FISSION NEUTRONS
Journal Article
·
· J. Nucl. Energy, Pts. A & B
The main purpose of this work was to improve the experimental value sigma of the S/sup 32/(n,p)P/sup 32/ reaction cross section for a fission neutron spectrum The sample in a cadmium box was centered on the axis of an enriched uranium disk irradiated by a thermal neutron beam. The absolute value of the thermal flux was determined by activation of a gold detector The absolute value of the fast flux at the sample was calculated taking into account the detector-uranium geometry. The average cross section sigma was deduced from an absolute measurement of the sample activity. The results are: for S/sup 32/ (n,p)P/sup 32/: sigma = 65 plus or minus 3 mb, for Al/sup 27/ (n, alpha )Na/ sup 24/ sigma = 0.63 plus or minus 0.03 mb. (auth)
- Research Organization:
- Studiecentrum voor Kernenergie, Mol. Belgium
- NSA Number:
- NSA-17-009542
- OSTI ID:
- 4732763
- Journal Information:
- J. Nucl. Energy, Pts. A & B, Journal Name: J. Nucl. Energy, Pts. A & B Vol. Vol: 16
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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