Two broad peaks were observed at Ex = 6.5 and 12.1 MeV in the (p, n) reaction on 140Ce at Ep = 38 MeV. They are interpreted as the T = T0 - 1 Gamow-Teller resonances (GTR). A self-consistent TDA model with a Skyrme type interaction predicts such a splitting of the T = T0 - 1 GTR, and reproduces the relative energies and strengths of the components. Experimental results are also compared with a recent RPA calculation which includes Δ-hole excitations.
ASJC Scopus subject areas
- Nuclear and High Energy Physics