Estimation of a boundary to distinguish between radioactive materials and non-radioactive materials around a Main Steam line and a Feed Water line in a Biological Shielding Wall of a BWR for decommissioning
Keywords: Decommissioning; BWR; Main Steam line; Non-radioactive (NR) boundary; Activation foil measurement; Neutron-streaming; Coupling technique; Directional mesh set; DOORS; TORT; SCALE6.1; ORIGEN-S; COUPLE;