Examination of Silicon-28 and URANIUM-235 (cas 15117-96-1) resonance parameters based on integral and differential experiments

Add time:07/26/2019    Source:sciencedirect.com

The article presents the results of a calculation-to-experiment (C/E) discrepancy analysis for a new evaluation of differential (measuring neutron transmission) and integral experiments from the International Handbook of Evaluated Criticality Benchmark Safety Experiments. The experiments were carried out to examine the properties of fuel and structural materials. Based on these experiments, proposals were made for silicon-28 and URANIUM-235 (cas 15117-96-1) resonance parameters corrections. This series of studies is considered as a sample joint analysis framework for differential and integral experiments required to correct nuclear data files of the ROSFOND evaluated neutron data library. The authors investigate the possible sources of the C/E discrepancies in their relation to uncertainties in the neutron cross-section resonance structure as well as resonance effects influencing the measured characteristics.

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