Off-line experiments on radionuclide detection based on the sequential Bayesian approach

Xiang, Qingpei; Tian, Decheng; Hao, Fang; Ding, Guomin; Zeng, Jun; Luo, Fengguang

doi:10.1016/j.nima.2013.07.046

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On-line experiments on rapid detection of radionuclides based on sequential Bayesian analysis

Xiang

Wang²,

Tian

et al. 2015

J Radioanal Nucl Chem

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A rapid detection method based on sequential Bayesian analysis provides a new perspective on national security in preventing the smuggling and illegal transportation of nuclear materials. In this paper, a sequential Bayesian analysis system, which mainly consists of a LaBr 3 (Ce) scintillator detector, a pulse analyzer based on a field-programmable gate array technique, and a sequential Bayesian analysis processor, is developed to directly validate the feasibility of sequential Bayesian analysis. The detection ability of 60 Co, 137 Cs, 133 Ba, and 152 Eu for a specific radioactivity is studied and quantified using the maximum detection distance and the equivalent minimum detection activity.

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