“…The experiments analyzed include eight critical assemblies [51] of Los Alamos National Laboratory (LANL), ZPR-6 Assemblies 6A (ZPR-6/6A) and 7 (ZPR-6/7) [51,52], three loadings of ZPPR-15A [53], six phases of ZPPR-21 [51], and three BFS assemblies [52,54]. Using the ENDF/B-VII.0 data [55], isotopic multigroup cross sections were generated for each composition using MC 2 -3.…”