Unambiguous Identification of Three β-Decaying Isomers in 70Cu

J. Van Roosbroeck, C. Guénaut, G. Audi, D. Beck, K. Blaum, G. Bollen, J. Cederkall, P. Delahaye, A. De Maesschalck, H. De Witte, D. Fedorov, V. N. Fedoseyev, S. Franchoo, H. O.U. Fynbo, M. Górska, F. Herfurth, K. Heyde, M. Huyse, A. Kellerbauer, H. J. KlugeU. Köster, K. Kruglov, D. Lunney, V. I. Mishin, W. F. Mueller, Sz Nagy, S. Schwarz, L. Schweikhard, N. A. Smirnova, K. Van De Vel, P. Van Duppen, A. Van Dyck, W. B. Walters, L. Weissman, C. Yazidjian

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Abstract

Three β-decaying states were unambiguously identified in 70-Cu using resonant laser ionization. A mass excess of -62.976 (1.6) keV and a half life of 44.5(2) for the (6 -) ground state were also determined. The 70Ni and 70Cu nuclei were produced in a proton-induced fission reaction on uranium. The low-lying levels of 70Cu populated in the decay of 70Ni and in transfer reactions compare well with large-scale shell-model calculations.

Original languageEnglish
Article number112501
Pages (from-to)112501-1-112501-4
JournalPhysical review letters
Volume92
Issue number11
DOIs
Publication statusPublished - Mar 19 2004

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Van Roosbroeck, J., Guénaut, C., Audi, G., Beck, D., Blaum, K., Bollen, G., Cederkall, J., Delahaye, P., De Maesschalck, A., De Witte, H., Fedorov, D., Fedoseyev, V. N., Franchoo, S., Fynbo, H. O. U., Górska, M., Herfurth, F., Heyde, K., Huyse, M., Kellerbauer, A., ... Yazidjian, C. (2004). Unambiguous Identification of Three β-Decaying Isomers in 70Cu. Physical review letters, 92(11), 112501-1-112501-4. [112501]. https://doi.org/10.1103/PhysRevLett.92.112501