Development of thyroid dose monitoring system using gamma-ray spectrometers; Fabrication of the monitor and development of the measurement procedure

Tanimura, Yoshihiko ; Nishino, Sho ; Yoshitomi, Hiroshi ; Takahashi, Masa

A portable thyroid dose monitoring system using gamma-ray spectrometers has been developed in order to assess the equivalent dose to the thyroid for workers and members of the public in a high dose rate environment at an early stage after a nuclear accident. The developed monitor consists of a couple of spectrometers and a detector shield. It was characterized using our gamma-ray calibration fields which simulated the high dose rate environment.

Language	:	Japanese
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Meeting title	:	日本原子力学会2020年春の年会
Held date	:	2020/03
Location (city)	:	福島
Location (country)	:	日本
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DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	Thyroid; Internal exposure; Radio-iodine; CdZnTe semiconductor detector; LaBr $_{3}$ (Ce) scintillation detector
Research Facility	:	FRS(放射線標準施設)
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Cooperating Institute	:	原子力規制庁

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Registration No. : BB20192150
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