High-dose response characteristics for a personal neutron dosimeter with PADC

Hashimoto, Suki*; Sakuma, Shuhei; Hosomi, Kenji ; Watanabe, Yuki ; Unno, Motoyoshi; Takashima, Hideki

The standards for passive neutron personal dosimeters do not cover high-dose exposures such as criticality accidents, so the upper limit of the dose for personal neutron dosimeters is 20 mSv. On the other hand, the upper limit of dose during emergency work was raised to 250 mSv during the TEPCO Fukushima Daiichi Nuclear Power Plant accident caused by the Great East Japan Earthquake, so it is desirable that personal neutron dosimeters be able to support the upper limit of 250 mSv. In this study, we confirmed the availability of neutron dose evaluation of 250 mSv by irradiating neutron personal dosimeter using PADC detector called CR-39 with up to 300 mSv.

Language	:	Japanese
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Meeting title	:	日本原子力学会2024年春の年会
Held date	:	2024/03
Location (city)	:	東大阪
Location (country)	:	日本
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Keywords	:	中性子用個人線量計; 固体飛跡検出器; CR-39; PADC; 高線量
Research Facility	:	FRS(放射線標準施設)
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Registration No. : BB20231570
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