New microsecond isomers in Bi-189,Bi-190

New microsecond isomers in Bi-189,Bi-190

New microsecond isomers in the neutron-deficient isotopes Bi-189g,Bi-190 have been identified after in-flight separation by the velocity filter SHIP. The evaporation residues were identified on the basis of delayed recoil-gamma /X-ray, recoil-gamma /X-ray-alpha and excitation function measurements....

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Veröffentlicht in:The European physical journal. A, Hadrons and nuclei Hadrons and nuclei, 2001-02, Vol.10 (2), p.129
Hauptverfasser: Andreyev, A. N., Ackermann, D., Cagarda, P., Gerl, J., Hessberger, F. P., Hofmann, S., Huyse, M., Keenan, A., Kettunen, H., Kleinbohl, A., Lavrentiev, A., Leino, M., Lommel, B., Matos, M., Munzenberg, G., Moore, C. J., O'Leary, C. D., Page, R. D., Reshitko, S., Saro, S., Schlegel, C., Shaffner, H., Taylor, M. J., Van Duppen, P., Weissman, L., Wyss, Ramon
Format: Artikel
Sprache:eng
Schlagworte:
alpha-decay
coexistence
isotopes
neutron-deficient
nuclei
products
separator
states
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Zusammenfassung:New microsecond isomers in the neutron-deficient isotopes Bi-189g,Bi-190 have been identified after in-flight separation by the velocity filter SHIP. The evaporation residues were identified on the basis of delayed recoil-gamma /X-ray, recoil-gamma /X-ray-alpha and excitation function measurements. The systematics of the [pi 1i(13/2)]13/2(+) excited states in the odd-mass Bi nuclei is discussed.
ISSN:1434-601X
1434-6001
DOI:10.1007/s100500170123