High-resolution study of the particle-hole multiplets in 208Bi

Particle-hole multiplets in ²⁰⁸Bi corresponding to the coupling of the h_9/2 proton with neutron holes in the p_1/2, f_5/2, p_3/2, i_13/2, f_7/2, and h_9/2 shells have been observed by the ²⁰⁹Bi(p,d)²⁰⁸Bi reaction at 35 MeV with an over-all resolution of 5 keV in the deuteron spectra. The results generally show excellent agreement with the weak coupling model except for the h_9/2 hole states. However the observed h_9/2 multiplet states do contain a large fraction of the expected strength. There is also substantial agreement with earlier (d,t) work except for some spin assignments and in the location of the 2⁻ member of the πh_9/2, ν⁻¹i_13/2 multiplet.[NUCLEAR REACTIONS ²⁰⁹Bi(p,d), E=35 MeV; measured levels, σ(θ), deduced S].