Abstract
Abstract Excited states in 146Pm have been investigated through the 136Xe(15N,5n) and the 146Nd(d,xn) compound-nucleus reactions. A level scheme extending up to 6.9 MeV of excitation energy and ( I = 25 h ) is proposed. Most of the high-spin levels are interpreted in terms of multi-particle-hole states but at medium spins octupole-phonon excitations are identified. The results are discussed and the level scheme compared with analogous states in neighbouring nuclei. Yrast configurations in 146Pm are described by the shell-model calculation involving empirical single-particle energies and two-body interactions.
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