Prolate structures in Po-189 and Pb-185

Prolate structures in Po-189 and Pb-185

The 3/2(-) isomer in Pb-185 and states above it have been populated in the α-decay of Po-189. The observed α-decay strengths to and the electromagnetic decay properties of the excited states in Pb-185 have been combined with Potential Energy Surface and Particle-Plus-Rotor calculations to propose co...

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Veröffentlicht in:The European physical journal. A, Hadrons and nuclei Hadrons and nuclei, 2005-04, Vol.24 (1), p.57
Hauptverfasser: Van de Vel, K., Andreyev, A. N., Ackermann, D., Boardman, H. J., Cagarda, P., Gerl, J., Hessberger, F. P., Hofmann, S., Huyse, M., Karlgren, Daniel, Kojouharov, I., Leino, M., Lommel, B., Munzenberg, G., Moore, C., Page, R. D., Saro, S., Van Duppen, P., Wyss, Ramon
Format: Artikel
Sprache:eng
Schlagworte:
alpha-decay
coexistence
Fysik
mass nuclei
NATURAL SCIENCES
NATURVETENSKAP
Physics
po isotopes
states
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Zusammenfassung:The 3/2(-) isomer in Pb-185 and states above it have been populated in the α-decay of Po-189. The observed α-decay strengths to and the electromagnetic decay properties of the excited states in Pb-185 have been combined with Potential Energy Surface and Particle-Plus-Rotor calculations to propose configuration assignments. It is suggested that the α-decaying isomer of Po-189 is of prolate origin and that the prolate configuration becomes very low in energy in Pb-185.
ISSN:1434-601X
1434-6001
DOI:10.1140/epja/i2004-10124-7