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85Kr 감시시스템 섬광검출기의 빛 변환 확률에 관한 MDA

MDA on the Probability of Light Conversion for the Plastic Scintillator Detector of the 85Kr Monitoring System

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초록

A radioactive krypton analysis system has been operated to detect clandestine nuclearactivitiesof neighboring countries. The probability for their detection is very low due to 1 weekof long sampling and analysis period. The novel analysis system with a short sampling periodis required to increase the probability for the detection. The object of this study is reduction ofthe time with the modification of detector in the BfS-IAR system at the 24 hrs of the samplingperiod. In this study, the detector was designed to avoid the use of P-10 gas which inhibits thedevelopment of the archive system. To achieve the purpose, a novel detection system with a plasticscintillator was proposed for an alternative detecting system of a gas proportional countingsystem. MDA assessment of 85Kr for the detector and the monitoring system was carried outusing the Currie equation based on the simulation of a plastic scintillation system. The MDAassessment proved that a plastic scintillation system can be an alternative detecting system ofa gas proportional counting system. In the future work, the detection system will be applied todetermine other radioactive noble gases.

Abstract

A radioactive krypton analysis system has been operated to detect clandestine nuclearactivitiesof neighboring countries. The probability for their detection is very low due to 1 weekof long sampling and analysis period. The novel analysis system with a short sampling periodis required to increase the probability for the detection. The object of this study is reduction ofthe time with the modification of detector in the BfS-IAR system at the 24 hrs of the samplingperiod. In this study, the detector was designed to avoid the use of P-10 gas which inhibits thedevelopment of the archive system. To achieve the purpose, a novel detection system with a plasticscintillator was proposed for an alternative detecting system of a gas proportional countingsystem. MDA assessment of 85Kr for the detector and the monitoring system was carried outusing the Currie equation based on the simulation of a plastic scintillation system. The MDAassessment proved that a plastic scintillation system can be an alternative detecting system ofa gas proportional counting system. In the future work, the detection system will be applied todetermine other radioactive noble gases.

참고문헌 (15)

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