Title: First observation of the beta decay of neutron-rich Bi-218 by the pulsed-release technique and resonant laser ionization
Authors: De Witte, H ×
Andreyev, Andrei
Borzov, IN
Caurier, E
Cederkall, J
De Smet, H
Eeckhaudt, S
Fedorov, DV
Fedosseev, VN
Franchoo, S
Górska, M
Grawe, H
Huber, G
Huyse, Marc
Janas, Z
Köster, U
Kurcewicz, W
Kurpeta, J
Plochocki, A
Van de Vel, K
Van Duppen, Piet
Weissman, L #
Issue Date: Apr-2004
Publisher: American physical soc
Series Title: Physical Review C vol:69 pages:1-6
Article number: 044305
Abstract: The neutron-rich isotope Bi-218 has been produced in proton-induced spallation of a uranium carbide target at the ISOLDE facility at CERN, extracted from the ion source by the pulsed-release technique and resonant laser ionization, and its beta decay is studied for the first time. A half-life of 33(1)s was measured and is discussed in the self-consistent continuum-quasi particle-random-phase approximation framework that includes Gamow-Teller and first-forbidden transitions. A level scheme was constructed for Po-218, and a deexcitation pattern of stretched E2 transitions 8(+)-->6(+)-->4(+)-->2(+)-->0(+) to the ground state is suggested. Shell-model calculations based on the Kuo-Herling interaction reproduce the experimental results satisfactorily.
ISSN: 0556-2813
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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