Identical transitions in the strongly deformed Sr-99 and Sr-100
G. Lhersonneau, B. Pfeiffer, H. Gabelmann, K. -L. Kratz, the ISOLDE-Collaboration
Abstract
The decay of the very neutron-rich nucleus Rb-100 has been studied by gamma-spectroscopy of on-line mass-separated samples. Schemes for beta-decay to Sr-100 and beta-n-decay to Sr-99 are presented. New sets of transitions in Sr-99 and Sr-100 with identical energies are observed. All identical bands so far observed in neutron-rich Sr isotopes obey a simple energy rule valid for even-even, odd-even and odd-odd bands.
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