Use of International Criticality Safety Benchmark Evaluation Project Data for Validation of the Nuclear Data Library BAS

Effective neutron multiplication factors for 66 critical systems were calculated in order to test the neutron data library BAS. The class of systems chosen for the k_eff calculations includes unreflected metal uranium and plutonium systems and systems that were reflected by ²³⁸U, Fe, Al, Ti, Pb, Be, C, CH₂, and H₂O. Configurations and materials used in these critical systems were taken from the "International Handbook of Evaluated Criticality Safety Benchmark Experiments." The calculations with BAS were performed using the codes PRIZMA-D and MCNP.4a. For comparison, the calculations were repeated using MCNP.4a with ENDF/B5 and ENDF/B6 cross-section data. A comparison of all results is provided.