Abstract
A method for determining the parameters of importance to nuclear reactor kinetics and nuclear criticality analysis using the general-purpose Monte Carlo simulation toolkit Geant4 has been developed. The demonstration of the proposed method is first illustrated by a set of six Godiva-like criticality problems consisting of hypothetical spherical subcritical and supercritical configurations of highly enriched uranium. Next, the performance of the application of Geant4 for criticality evaluations is shown using selected experimental benchmarks from the International Criticality Safety Benchmark Evaluation Project ICSBEP. Results were compared with those obtained by a set of the most used neutron transport codes such as MCNP, TRIPOLI-4®, KENO, APOLLO and SERPENT.
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