EXCITED STATES OF Eu$sup 15$$sup 3$
The BETA - decay of Sm/sup 153/ and the electron capture decay'of Gd/ sup 153/ have been studled with a NaI scintillation spectrometer, with a xenon proportional counter used with and without escape gating, and with a conversion- electron proportional counter. The two decay schemes have been verified and, in one case, extended. From a measurement of its internal conversion coefficient the 97 kev gamma in the Gd/sup 153/ decay is shown to be E1. The decay schemes and multipolarities are shown to be inconsistent with any likely spin sequence for Eu/sup 153/ and ground state spin of Gd/sup 153/ (auth)
- Research Organization:
- Cavendish Lab., Cambridge, Eng.
- NSA Number:
- NSA-12-006306
- OSTI ID:
- 4310174
- Journal Information:
- Nuclear Phys., Journal Name: Nuclear Phys. Vol. Vol: 5
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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