The decay of the new neutron-rich isotope $^{217}$Bi
- Kurpeta, J
- Plochocki, A
- Andreyev, A N
- Äystö, J
- De Smet, A
- De Witte, H
- Evensen, A H
- Fedosseev, V
- Franchoo, S
- Górska, M
- Huhta, M
- Huyse, M
- Janas, Z
- Jokinen, A
- Karny, M
- Kugler, E
- Kurcewicz, W
- Köster, U
- Lettry, Jacques
- Nieminen, A
- Partes, K
- Ramdhane, M
- Ravn, H L
- Rykaczewski, K
- Szerypo, J
- Van de Vel, K
- Van Duppen, P
- Weissman, L
- Walter, G
- Wöhr, A
Publication date
January 2003
DOI Publisher
Springer Science and Business Media LLC ISSN
1434-6001 Citation count (estimate)
3Abstract
Exotic, neutron-rich proton-induced spallation products of /sup 232 /Th and /sup 238/U obtained from the PS Booster ISOLDE facility have been investigated by gamma - gamma , alpha - gamma coincidence and spectrum-multiscaling measurements. A new method for he reduction of isobaric contamination enabled to study the unknown region beyond /sup 208/Pb for the decay chain A=217. A new isotope /sup 217/Bi with a half-life of 98.5+or-0.8 s was discovered and its beta -decay studied. For the first time, a half-life value of 1.53+or-0.03 s for the alpha -decay of /sup 217/Po was measured. (12 refs)
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