Decay properties of neutron-de cient nuclei in the region Z = 86-92 F.P. Heßberger, S. Hofmann, D. Ackermann, V.Ninov, M. Leino, S.Saro, A. Andreyev, A.Lavrentev, A.G. Popeko and A.V.Yeremin Eur. Phys. J. A, 9 3 (2000) 433 Published online: 15 November 2000 DOI: 10.1007/s100500070028