Abstract:A b s t r a c t . Excited states of the semimagic nuclei 13*Ba, 140Ce, 141Pr, l43Pm, 144Sm, 109Sn and "'Sn have been investigated by means of in-beam y-spectroscopic methods. Levels in the vicinlty of the yrast line having energies up to about 5 MeV have been identified and spin and parity could be determined for most of them. Several nanosecond and subnanosecond isomers have bem found in the level schemes of the nuclei investigated. The g-factors of three nanosecond isomers have been measured. The large amoun… Show more
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