COINCIDENCE STUDIES ON THE DECAYS OF Bi$sup 206$ AND Bi$sup 20$$sup 5$
Journal Article
·
· Arkiv Fysik
OSTI ID:4818097
Using electron-electron and electron-gamma coincidence techniques the decays of Bi/sup 206/ and Bi/sup 205/ are investigated. The measurements on Bi/ sup 206/ are in good agreement with earlier results. In the decay of Bi/sup 206/ the following, previously proposed, excited levels are confirmed: 262.8, 703.3, 76l.0, 987.6, 1013.8, l043.7, 1614.6, l766.4. 2566.5, and 2609.9 kev. The coincidence measurements indirectly suggest a new level in Pb/sup 205/ at 2.3 kev, mainly populated via a 260.5 kev transition from the 262.8 kev level. By studying the internal-conversion electrons following the alpha -decay of Po/sup 209/ the new level is unambiguously proved, since the K-lines of the two transitions of 260.5 and 262.8 kev are found to be present with the same intensity ratio as in the decay of Bi/sup 205/. Furthermore a new level of 1499.4 kev in Pb/sup 205/ is established. (auth)
- Research Organization:
- Nobel Inst. of Physics, Stockholm
- NSA Number:
- NSA-16-002512
- OSTI ID:
- 4818097
- Journal Information:
- Arkiv Fysik, Journal Name: Arkiv Fysik Vol. Vol: 20
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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