Ag$sup 108$ GAMMA EMISSION
Journal Article
·
· Latvijas PSR Zinatnu Akad. Vestis
OSTI ID:4759245
The gamma spectrum of various old Ag sources was determined in the raage of 0--1100 kev with a double coincidence scintillation spectrometer. NaI(Tl) crystals (20 x 30 mm) with a photo multiplier were used as detector. The resolving power of the analyzing and the controlling spectrometers was 9 and 10.5%, respectively, for the 661-kev line of Cs/sup 137/. Further, the spectra of the gamma - gamma coincidences and of the sum-coincidences were determined. The existence of a long-lived Ag/sup 108m/ isomer was proved, in the spectrum of which lines with energies of 80, 430, 620, and 725 kev were observed. Coincidences of the 430-kev quanta with 620- and 725-kev quanta, of the 620-kev quanta with 430- and 725-kev quanta, and of the 725-kev quanta with 430- and 620- kev quanta were ascertained. 80-kev quanta did not coincide with quanta of the three other lines. (OTS)
- Research Organization:
- Inst. of Physics, Academy of Sciences, Latviyskaya SSR
- NSA Number:
- NSA-16-032418
- OSTI ID:
- 4759245
- Journal Information:
- Latvijas PSR Zinatnu Akad. Vestis, Journal Name: Latvijas PSR Zinatnu Akad. Vestis Vol. Vol: No. 2(175)
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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