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In this paper the experiments are described that have lead to the assignment of spins of a large number of s-wave and p-wave resonances in reactions of epithermal neutrons with the nuclei U-238 and Cd-113. The gamma-ray spectra of the (n,) reactions have been measured using the time-of-flight technique at the GELINA pulsed neutron source facility. For the present spin determinations the fact that the population through gamma radiation of low-lying nuclear states from the compound nucleus is dependent on the resonance spin has been exploited. These assignments are important for the analysis of measurements of parity non conservation in compound nuclei.

Additional information

Authors: GUNSING F, JRC Geel (BE);ATHANASSOPULOS K, JRC Geel (BE);CORVI F, JRC Geel (BE);POSTMA H, Delft University of Technology (NL);POPOV Y P, Joint Institute for Nuclear Research, Dubna (RU);SHARAPOV E I, Joint Institute for Nuclear Research, Dubna (RU)
Bibliographic Reference: Article: Physics Review C (1997)
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