手脚污染测量仪手部探测器β表面活度响应的校准

Abstract

Abstract: Hand-foot surface contamination monitors are usually used in nuclear facilitiesfor radiation protection purpose, which measure surface contamination levels onworkers' hands and feet. A hand model and two plastic film sources were made to facilitate the calibration of surface activity response of hand detectors in amonitor of this kind, and give rise to calibration results more in line with actual measurements. The effects of beta backscatter from hand tissue on measurement were investigated. The calibration results with aluminum substrate sources used were employed to perform a comparison in the meantime. Their difference was then analyzed.

Key words: Hand-foot contamination, Surface contamination measurement, Response, Calibration

CLC Number:

TL818

Wang Yong, Liu Bei, Niu Qiang, Li Qiang, Feng Mei, Shang Jie. Beta Surface Activity Response Calibration of Hand Detectors in a Hand-Foot Surface Contamination Monitor[J].RADIATION PROTECTION BULLETIN, 2015, 35(3): 12-15.

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Beta Surface Activity Response Calibration of Hand Detectors in a Hand-Foot Surface Contamination Monitor

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