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ZHAO Rong-sheng,ZHANG Wen-liang,LU Zhao,ZHANG Li-ping,WANG Tong-xing,(China Institute of Atomic Energy,P.O.Box 275-48,Beijing 102413,China). Development of Pedestrian Portal Monitor for Special Nuclear Material[J]. Atomic Energy Science and Technology, 2005, 39(5): 455-455. DOI: 10.7538/yzk.2005.39.05.0455
Citation: ZHAO Rong-sheng,ZHANG Wen-liang,LU Zhao,ZHANG Li-ping,WANG Tong-xing,(China Institute of Atomic Energy,P.O.Box 275-48,Beijing 102413,China). Development of Pedestrian Portal Monitor for Special Nuclear Material[J]. Atomic Energy Science and Technology, 2005, 39(5): 455-455. DOI: 10.7538/yzk.2005.39.05.0455
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  • A pedestrian portal monitor using plastic scintillation as detector for special nuclear material(SNM) is developed.At 2.58×10~(-9) C·kg~(-1)·h~(-1) of background and less than 1.2 m/s of pedestrian speed,the sensitivity is 2 g and 0.06 g for high(enrichment) uranium and low-burnup plutonium respectively;at 5.16×10~(-9) C·kg~(-1)·h~(-1)of background and less than 1.2 m/s of pedestrian speed,the sensitivity is 3 g and 0.08 g for high enrichment uranium and low-burnup plutonium respectively.The false alarm probability is less than 1/3 000.
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