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MCNPX simulation and experimental tests of the tagged neutron system for explosive detection in walls

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Abstract

An experimental detection system based on tagged neutron method was developed for detecting the explosives embedded in a concrete wall. The simulant samples of TNT and ammonium nitrate were tested by this system under different conditions. The experimental results were compared with the MCNPX code simulation results and have good consistency. On this basis, the simulation of RDX and Tetryl explosives hidden in different thickness walls was carried out. The simulation results show that the experimental system can detect the 300 g explosive hidden in a wall with a thickness of no more than 10 cm by using the ratio of delta and its standard deviation.

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Acknowledgements

This work was supported by the Science and Technology Development Project of Jilin Province of China [20190303101SF], the Education Department Project of Sichuan Province of China [16ZA0325], and the Criminal Investigation Project in Key laboratory of Sichuan higher education-Criminal Science and Technology Laboratory (Sichuan Police College) [2018YB04].

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Authors and Affiliations

  1. College of Physics, Northeast Normal University, Changchun, 130024, Jilin, China

    Hui Xue, Cong Li, Ya-Dong Gao & Shi-Wei Jing

  2. China Institute of Atomic Energy, Beijing, 121000, China

    Shi-Wei Jing & Yu-Lai Zheng

  3. Key Laboratory of Sichuan Higher Education—Criminal Science and Technology Laboratory (Sichuan Police College), Luzhou, 646000, Sichuan, China

    Shi-Wei Jing

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  1. Hui Xue
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  2. Cong Li
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  3. Ya-Dong Gao
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  4. Shi-Wei Jing
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Correspondence to Shi-Wei Jing.

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Xue, H., Li, C., Gao, YD. et al. MCNPX simulation and experimental tests of the tagged neutron system for explosive detection in walls. J Radioanal Nucl Chem 326, 201–208 (2020). https://doi.org/10.1007/s10967-020-07282-7

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