Single-particle transfer studies of 184Re

Abstract

The level structure of odd–odd 184Re has been investigated by means of the (3He,d) and (α,t) reactions on 183W and the (d,t) and (3He,α) reactions on 185Re. Measured relative Q values have been used to deduce the 184Re mass. The spectra are interpreted in terms of two-quasiparticle states formed by the coupling of the transferred particle and the odd particle in the target ground state, each in separate Nilsson orbitals. Identification of rotational bands is based on a comparison of the measured cross-section patterns and energy spacings with those predicted with the aid of Coriolis mixing and DWBA calculations. Assignments are proposed, some tentatively, for the bands arising from both the parallel and antiparallel coupling of the 5/2+[402] proton orbital with the 1/2−[510], 3/2−[512], 7/2−[503], and 11/2+[615] neutron orbitals.