THE GAMMA-RAY DISTRIBUTION FROM ORIENTED CERIUM-141
Journal Article
·
· J. Research Natl. Bur. Standards
The distribution of gamma-radiation emitted in the decay of Ce/sup 141/j nuclei alined in neodymium ethylsulfate single crystals was remeasured for temperatures as low as 0.0162 deg K and was found to be considerably more anisotropic than basis of preferential scattering of the plane-polarized radiation in the Dewart system. Similar measurements with Ce/sup 141/ nuclei oriented in a polarized cerium ethylsulfate crystal were made. The hyperfine constant for Ce/sup 141/ in the neodymium ethylsulfate lattice is deduced as A = 0.0305 plus or minus 0.003 cm/sup -1/, and the E2/Ml ratio for the 145-kev gamma ray in Pr/sup 141/ is 0.068 plus or minus 0.008. (auth)
- Research Organization:
- Originating Research Org. not identified
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-16-026242
- OSTI ID:
- 4808930
- Journal Information:
- J. Research Natl. Bur. Standards, Journal Name: J. Research Natl. Bur. Standards Vol. Vol: 66A
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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