Radioactive decay ofF.P. Heßberger1, S. Hofmann1, I. Kojouharov1, D. Ackermann1, 2, S. Antalic3, P. Cagarda3, B. Kindler1, B. Lommel1, R. Mann1, A.G. Popeko4, S. Saro3, J. Uusitalo5 and A.V. Yeremin4
1 Gesellschaft für Schwerionenforschung mbH, D-64220 Darmstadt, Germany
2 Institut für Physik, Johannes Gutenberg - Universität Mainz, D-55099 Mainz, Germany
3 Department of Nuclear Physics, Comenius University SK-84215 Bratislava, Slovakia
4 Flerov Laboratory of Nuclear Reactions, JINR, 141 980 Dubna, Russia
5 Physics Department, University of Jyväskylä, FIN-40351 Jyväskylä, Finland
(Received: 29 April 2002 / Published online: 19 November 2002)
The radioactive decay of was investigated by means of - -spectroscopy. Fine structure in the ground-state -decay was established. Ambiguities in the fine structure of the -decay of the previously known isomeric state could be clarified by - -coincidence measurements. A previously unknown -transition of = (8306 5) keV was detected and identified by means of delayed - - and - - -coincidence measurements. A second isomeric state decaying by -emission was not observed. The quality of the previously reported data of the -decay fine structure of was improved.
23.60.+e - Alpha decay.
27.90.+b - .
© Società Italiana di Fisica, Springer-Verlag 2002