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Latest News
Direct waste transfer process quickens at Savannah River Site
The Department of Energy Office of Environmental Management’s liquid waste contractor at the Savannah River Site this month marked the first direct transfer of decontaminated waste from the Salt Waste Processing Facility (SWPF) to the Saltstone Production Facility (SPF). This is a new step in optimizing waste processing, according to the DOE.
Xiaolong Huang
Nuclear Science and Engineering | Volume 152 | Number 3 | March 2006 | Pages 325-333
Technical Note | doi.org/10.13182/NSE06-A2587
Articles are hosted by Taylor and Francis Online.
Based on the experimental data of total, nonelastic, elastic cross sections and elastic-scattering angular distributions for n + 58Ni reactions, a set of neutron optical model potential parameters is obtained in the region of incident neutron energy from 0.8 to 150 MeV. Then the reaction cross sections, angular distributions, energy spectra, gamma-ray production cross sections, and gamma-ray production energy spectra are calculated and evaluated by optical model, distorted wave Born approximation theory, Hauser-Feshbach theory, exciton model, and cascade mechanism inside nuclear. The results are compared with existing experimental data and other evaluated data from ENDF/B-VI and in agreement with each other within the uncertainties of these evaluations and measurements. Finally, the covariances for the important neutron cross sections are estimated using the SPC code based on the available experimental data.