New $\beta$-decaying state in $^{214}$Bi
- Andel, B.
- van Duppen, P.
- Andreyev, A.N.
- Blazhev, A.
- Grawe, H.
- Lică, R.
- Naïdja, H.
- Stryjczyk, M.
- Algora, A.
- Antalic, S.
- Barzakh, A.
- Benito, J.
- Benzoni, G.
- Berry, T.
- Borge, M.J.G.
- Chrysalidis, K.
- Clisu, C.
- Costache, C.
- Cubiss, J.G.
- de Witte, H.
- Fedorov, D.V.
- Fedosseev, V.N.
- Fraile, L.M.
- Fynbo, H.O.U.
- Greenlees, P.T.
- Harkness-Brennan, L.J.
- Huyse, M.
- Illana, A.
- Jolie, J.
- Judson, D.S.
- Konki, J.
- Lazarus, I.
- Madurga, M.
- Marginean, N.
- Marginean, R.
- Mihai, C.
- Marsh, B.A.
- Molkanov, P.
- Mosat, P.
- Murias, J.R.
- Nacher, E.
- Negret, A.
- Page, R.D.
- Pascu, S.
- Perea, A.
- Pucknell, V.
- Rahkila, P.
- Rapisarda, E.
- Rezynkina, K.
- Sánchez-Tembleque, V.
- Schomacker, K.
- Seliverstov, M.D.
- Sotty, C.
- Stan, L.
- Sürder, C.
- Tengblad, O.
- Vedia, V.
- Viñals, S.
- Wadsworth, R.
- Warr, N.
DOIAbstract
International audienceA new $\beta$-decaying state in $^{214}$Bi has been identified at the ISOLDE Decay Station at the CERN-ISOLDE facility. A preferred $I^{\pi} = (8^-)$ assignment was suggested for this state based on the β-decay feeding pattern to levels in $^{214}$Po and shell-model calculations. The half-life of the $I^{\pi} = (8^-)$ state was deduced to be $T_{1/2} = 9.39(10)$ min. The deexcitation of the levels populated in $^{214}$Po by the $\beta$ decay of this state was investigated via $\gamma - \gamma$ coincidences and a number of new levels and transitions was identified. Shell-model calculations for excited states in $^{214}$Bi and $^{214}$Po were performed using two different effective interactions: the H208 and the modi...
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