Bed-type과 Stand-type 상용 전신계수기(Whole Body Counter)의 성능 비교

• 영문명: Performance Comparison of Bed-type and Stand-type Commercial Whole Body Counter Made by Canberra for Internal Exposure Monitoring
• 발행기관: 대한방사선과학회(구 대한방사선기술학회)
• 저자명: 김봉기(Bong-Gi Kim) 하위호(Wi-ho Ha) 권태은(Tae-Eun Kwon) 박민석(Min-Seok Park) 이준호(Jun-Ho Lee) 김종민(Jong-Min Kim) 이상경(Sang-Gyung Lee) 정규환(Kyu-Hwan Jung)
• 간행물 정보: 『방사선기술과학』방사선기술과학 제41권 제5호, 437~444쪽, 전체 8쪽
• 주제분류: 의약학 > 방사선과학
• 파일형태: PDF
• 발행일자: 2018.10.30

영문 초록

Whole-Body counters have been used to evaluate the internal contamination of gamma emitting radionuclides. Among the whole-body counters used in domestic nuclear facilities, Fastscan made by CANBERRA contains 2 NaI(Tl) detectors and is generally used to monitor the primary internal exposure. It has the advantage of achieving MDA even with short time measurements. Accuscan is a bed type, and has good energy resolution because it is composed of HPGe detector. Since the Accuscan with better energy resolution than Fastscan has better able to identify radionuclides, it is used to monitor secondary internal exposure. Some nuclear facilities have only Fastscan. We analyzed statistically whether Fastscan is enough to ensure accuracy and precision comparing with Accuscan. To do this, we prepared a CRM created by the Korea Research Institute of Standards and Science. We also obtained the data of 6 Fastscans and 5 Accuscans in domestic nuclear facilities. As a result of the study, although Fastscan compared with Accuscan is not as accurate as the Accuscan, the precision is statistically same. However, accuracy of Fastscan is in compliance with international standards except low energy range. In terms of accuracy and precision except radionuclides emitting low energy, it is possible to measure radioactivity inside workers even in nuclear facilities where only Fastscan is used.

목차

Ⅰ. 서 론

Ⅱ. 재료 및 방법

Ⅲ. 결 과

Ⅳ. 고 찰

Ⅴ. 결 론

키워드

Accuscan Fastscan Internal Exposure(내부피폭) Accuracy and Precision(정확도와 정밀도) ANSI