SHAPE OF BETA SPECTRA OF ONCE-FORBIDDEN TRANSITIONS IN THE DECAYS OF $sup 170$Tm $sup 186$Re AND $sup 188$Re
Journal Article
·
· Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B
OSTI ID:4139210
The spectra of the 1/sup -/ yields 2/sup +/ BETA groups in the decays of Tm/sup 170/, Re/sup 186/ and Re/sup 188/ were investigated using the BETA electron coincidence technique. It was found that these BETA groups have long comparative half-lives and allowed shapes. On the assumption that the xi - approximation in the BETA - gamma directional correlation should be valid when the BETA spectrum has an allowed shape, it is proved that the 884 and 937-kev BETA groups in the decays of Tm/sup 170/ and Re/sup 186/, respectively, are first forbidden transitions but have allowed shape. (auth)
- Research Organization:
- Atomic Energy Establishment, Cairo
- NSA Number:
- NSA-18-002896
- OSTI ID:
- 4139210
- Journal Information:
- Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B, Journal Name: Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B Vol. Vol: (10), 29; ISSN NUCIA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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