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Home / Publications / Journals / Nuclear Science and Engineering / Volume 155 / Number 1

Neutron Scattering from an Asymmetric Rotor: 197Au

Alan B. Smith

Nuclear Science and Engineering / Volume 155 / Number 1 / January 2007 / Pages 74-83

Technical Paper

Differential neutron elastic-scattering cross sections of 197Au are measured from [approximately equal to]4.5 to 10.0 MeV at incident-neutron energy intervals of [approximately equal to]0.5 MeV. These results are combined with previous lower-energy work by the author and associates to form a neutron-scattering database extending from [approximately equal to]0.3 to 10.0 MeV. A few elastic-scattering distributions and total cross sections from the literature are added to it, and the composite is interpreted in terms of optical-statistical, dispersion, and coupled-channels models. The results are compared with models in the literature and with relevant portions of the ENDF/B-VI nuclear data file. A collective rotational model for the prediction of neutron interactions in this mass-energy region is suggested.

 
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