Abstract
The proper collimator shape in the segmented gamma-ray scanning device can improve the system's detection efficiency and reduce crosstalk. Monte Carlo method is used to model the collimators with different shapes and sizes, and the measuring process of the actual SGS device is simulated. According to the design principles of the collimator, the characteristics of several SGS collimation shapes are compared, and the correctness of the calculation is verified through experiments, which provides a reference for the design of the SGS device in the detection system.
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