Phys.Rev. C 101, 045806 (2020)

P.Scholz, M.Guttormsen, F.Heim, A.C.Larsen, J.Mayer, D.Savran, M.Spieker, G.M.Tveten, A.V.Voinov, J.Wilhelmy, F.Zeiser, A.Zilges

Primary γ-ray intensities and γ-strength functions from discrete two-step γ-ray cascades in radiative proton-capture experiments

NUCLEAR REACTIONS ^63,65Cu(p, γ), E=2.0, 3.5 MeV; measured Eγ, Iγ, γγ-coin, primary γ rays, two-step γ-ray cascades (TSCs) using the HORUS array of 14 HPGe detectors at the Institute for Nuclear Physics, University of Cologne. ^64,66Zn; deduced levels, J, π, primary γ-ray intensities, dipole strength functions, and absolute γ-ray strength functions. Comparison with theoretical predictions, generalized Brink-Axel hypothesis, and other experimental results. Relevance of reaction rates of radiative capture reactions to nucleosynthesis of heavy nuclei in explosive stellar environments.

doi: 10.1103/PhysRevC.101.045806