THE DISINTEGRATION OF La$sup 13$$sup 1$
The decay of La/sup 131/ was studied with the help of a magnetic lens spectrometer, scintillation spectrometers and scintillation coincidence spectrometers. The half life is 61 plus or minus 2 min. Three positon groups were found having endpoint energies and relative abundances as follows: 1.939 plus or minus 0.045 Mev (27%), 1.424 plus or minus 0.036 Mev (56%), 0.704 plus or minus 0.045 Mev (17%). Gamma rays are found at 115, 169, 214, and 878 bev. The line at 115 kev is strongly internally converted. A disintegration scheme is proposed. (auth)
- Research Organization:
- Indiana Univ., Bloomington
- NSA Number:
- NSA-14-008967
- OSTI ID:
- 4187427
- Journal Information:
- Nuclear Phys., Journal Name: Nuclear Phys. Vol. Vol: 14
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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