Yang Fan, Wei Biao, Mi Deling, et al. Nuclear material enrichment estimation based on 252Cf source-driven noise analysis[J]. High Power Laser and Particle Beams, 2012, 24: 1011-1012.
Citation:
Yang Fan, Wei Biao, Mi Deling, et al. Nuclear material enrichment estimation based on 252Cf source-driven noise analysis[J]. High Power Laser and Particle Beams, 2012, 24: 1011-1012.
Yang Fan, Wei Biao, Mi Deling, et al. Nuclear material enrichment estimation based on 252Cf source-driven noise analysis[J]. High Power Laser and Particle Beams, 2012, 24: 1011-1012.
Citation:
Yang Fan, Wei Biao, Mi Deling, et al. Nuclear material enrichment estimation based on 252Cf source-driven noise analysis[J]. High Power Laser and Particle Beams, 2012, 24: 1011-1012.
The paper investigates the relationship between the change of nuclear sample enrichment and the relative position of detectors of the 252Cf source-driven noise analysis system. A Monte Carlo numerical simulation with varied 235U enrichment (85.15%, 90.15%, 93.15%) and different relative positions has been conducted, and the cross-covariance between data of paired detectors was calculated. The results show that the amplitude of cross-covariance improves with 235U enrichment, which coincides with reference results. Thus it is feasible to estimate the nuclear material enrichment based on the cross-covariance amplitude of detectors.