Abstract

High spin levels in 147Gd are excited in the 144Sm (α,n) reaction. Based on excitation function measurements, angular distribution and two-dimensional γ-γ coincidence experiments a level scheme of 147Gd is proposed. The ground state (7/2-) and the two lowest energy levels at 997.4 and 1 152.8 keV are described within the shell model by the single particle orbitals 2f7/2, 1h9/2 and 3p3/2. The higher lying states in 147Gd may arise from the coupling of a 1h9/2 or 2f7/2 particle to the excited levels of the core.

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