Performance of an advanced lump correction algorithm for gamma-ray assays of plutonium

摘要

The results of an experimental study to evaluate the performance of an advanced lump correction algorithm for gamma-ray assays of plutonium is presented. The algorithm is applied to correct segmented gamma scanner (SGS) and tomographic gamma scanner (TGS) assays of plutonium samples in 55-gal. drums containing heterogeneous matrices. The relative ability of the SGS and TGS to separate matrix and lump effects is examined, and a technique to detect gross heterogeneity in SGS assays is presented.