Elsevier

Nuclear Physics A

Volume 173, Issue 3, 4 October 1971, Pages 477-486
Nuclear Physics A

Resonance neutron capture by 170Yb and 172Yb

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Abstract

Primary γ-ray spectra following resonance neutron capture by 170Yb and 172Yb were observed using the NRL linac neutron time-of-flight facility. Spectra from the first four resonances in 170Yb and the first three resonances in 172Yb were studied with a 30 cm3 Ge(Li) detector using natural and separated isotope targets. The intensity of γ-ray transitions to particular Nilsson bands in 171Yb and 173Yb was examined for non-statistical effects. Possible regularities similar to those observed in thermal capture are discussed.

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