An Investigation of Dy$sup 155$ $Yields$ Tb$sup 155$ Decay. ISSLEDOVANIE RASPADA Dy$sup 155$ $Yields$ Tb$sup 15$$sup 5$
Book
·
OSTI ID:4874123
The gamma spectrum and coincidences of gamma rays appearing in Dy/ sup 155/ and up to st r Tb/sup 155/ decay were measured with the aid of a scintillation gamma spectrometer. A pure source wtth only one isotope of Dy/ sup 155/ was used in the measurements. It was obtained by a repeated chromatographic separation from Ho fraction produced by a deep fission reaction on Ta: (Ta + p), E = 660 Mev. Dy/sup 155/ appears as a decay product of Ho/sup 155/ (T/sub 1/2/ = 45 min). In the gamma spectrum new lines in the energy range of 1170-2000 kev were observed. As a result of gamma - gamma coincidence measurements a new level (1820 450 deg C in a 15/kev) of Tb/sup 155 was obtained. (auth)
- Research Organization:
- Joint Inst. for Nuclear Research, Dubna, U.S.S.R. Lab. of Nuclear Problems
- Sponsoring Organization:
- Sponsor not identified
- NSA Number:
- NSA-17-020984
- OSTI ID:
- 4874123
- Report Number(s):
- JINR-P-1178
- Country of Publication:
- USSR
- Language:
- English
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