Collimated LaBr₃ detector response function in radioactivity analysis of nuclear waste drums

分类： 核科学技术 >> 粒子加速器 提交时间： 2023-06-18 合作期刊: 《Nuclear Science and Techniques》

QIAN Nan WANG Dezhong WANG Chuan ZHU Yuelong MAUERHOFER Eric

摘要： The properties of a Lanthanum bromide (LaBr3) detector and its response functions were investigated via experiments and simulations in this paper. The LaBr3 detector had good relative energy resolution and higher efficiency than a high-purity germanium detector. Monte Carlo and other numerical methods were used to calculate the efficiencies of a LaBr3 detector with a square collimation window. A model of the numerical method was established based on a pure geometric model that was consistent with the experimental situation. The results showed that the detector response functions calculated by these methods were in great agreement with experimental results.

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