Abstract

A lithium-drifted germanium detector has been used to measure the high-energy gamma rays following thermal and resonance neutron capture in gold. In the region E γ ≧ 5.08 MeV , many new transitions are resolved, and transition intensities as well as level excitations are given. A level scheme deduced from these data does not agree with one proposed on the basis of low-energy, gamma-ray measurements. A comparison of the spectrum following capture in the 4.9 eV resonance with that following thermal neutron capture shows that no significant change in the relative intensity of individual gamma rays occurs.

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