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Low temperature nuclear orientation of239Np in gadolinium host
- Source :
- Hyperfine Interactions; August 1990, Vol. 59 Issue: 1-4 p185-188, 4p
- Publication Year :
- 1990
-
Abstract
- Abstract: The angular distribution of γ-radiation from the decay of<superscript>239</superscript>Np oriented at low temperatures in gadolinium host was investigated. The orientation parameters B2 and B4 were determined. The attenuation factors for two long-living states in<superscript>239</superscript>Pu at 391.5 keV and 285.4 keV were calculated. From the anisotropies measured the multipole mixing ratios for 11 gamma-transitions in<superscript>239</superscript>Pu were deduced. The results obtained support the assignment of spins of the levels at 492.2 keV and 391.6 keV as 3/2<superscript>−</superscript> and 7/2<superscript>−</superscript>, respectively.
Details
- Language :
- English
- ISSN :
- 03043843 and 15729540
- Volume :
- 59
- Issue :
- 1-4
- Database :
- Supplemental Index
- Journal :
- Hyperfine Interactions
- Publication Type :
- Periodical
- Accession number :
- ejs17173738
- Full Text :
- https://doi.org/10.1007/BF02401220