ENERGY RELEASE FROM THE DECAY OF FISSION PRODUCTS
Journal Article
·
· Nuclear Sci. and Eng.
OSTI ID:4337129
The total disintegration rates, rates of beta- and gamma-energy release, and gamma-ray energy spectrum, are calculated for fission products due to thermai neutron fission of U/sup 235/. Reactor operating times of 1, 10, 100, and 1000 hours are treated, and the results plotted for decay times ranging from 10/sup 2/ to 10/sup 8/ seconds. In addition, results for instantaneous operation are compared to other calculations and measurements. The present results fall below Way and Wigner's predictions of both disintegration rate and total energy release over the entire range of decay times, though they agree satisfactorily with the Way-Wigner rule-of-thumb expressions. The present results are in very good agreement with experimental measurements. The gamma spectrum is found to vary considerably with decay time but to be only a weak function of reactor operating time. The total beta and antineutrino energies per fission are found to be 7.6 plus or minus 0.5 and 10.0 plus or minus 0.7. respectively. (auth)
- Research Organization:
- Lockheed Aircraft Corp., Marietta, Ga.; Purdue Univ., Lafayette, Ind.
- NSA Number:
- NSA-12-012030
- OSTI ID:
- 4337129
- Journal Information:
- Nuclear Sci. and Eng., Journal Name: Nuclear Sci. and Eng. Vol. Vol: 3
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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