$gamma$-RAYS FROM SHORT-LIVED FISSION PRODUCTS OF $sup 235$U AND $sup 239$Pu
Journal Article
·
· J. Nuclear Energy
Results are given of some measurements of the spectral composition of the gamma rays emitted by U/sup 235/ fission products in the time interval of 1.5 to 5 sec after fission. The absorption coefficient, using Cu absorbers, was 0.048 plus or minus 0.005 cm/sup 2//g amd was 0.046 plus or minus 0.009 cm/sup 2//g for Al absorbers. In the interval of 1.25 to 17 sec after fission the decay of U/sup 235/ fission fragments followed the law t/sup-0.8/ plus or minus 6%. The decay of Pu/sup 239/ fission fragments followed the same law, t/sup -0.8/ plus or minus 8%. (J.S.R.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-12-005688
- OSTI ID:
- 4309351
- Journal Information:
- J. Nuclear Energy, Vol. Vol: 6; Other Information: Orig. Receipt Date: 31-DEC-58
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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