Abstract
The internal conversion spectra of deformed nuclei in the mass interval 173 ≦ A ≦ 185 were investigated with permanent magnet spectrographs. By combining the conversion results with complementary data from independent photon studies, partial decay schemes are deduced from energy sums, multipolarities and intensities of the transitions. The quantum numbers of nuclear energy levels are associated with intrinsic and collective modes of excitation in the framework of the Nilsson and Bohr-Mottelson models. Parameters relevant to rotational configurations and branching ratios of the de-exciting transitions are evaluated. The energy systematics of proton and neutron particle states in odd-mass nuclei is correlated with the particle-coupled spectra in adjacent doubly odd nuclei. More complete conversion electron measurements permits extension of nuclear level structures of 148, 146Sm.
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