Development of a simplified phantom for calibration of whole-body counter
10.13491/j.issn.1004-714X.2023.03.008
- VernacularTitle:一种用于全身计数器刻度的简化体模研制
- Author:
Jianhua WU
1
;
Hongchao PANG
1
;
Zhiping LUO
1
;
Yang LIU
1
;
Xinglong LI
1
;
Guojun YUAN
1
Author Information
1. China Institute of Atomic Energy, Beijing 102413 China.
- Publication Type:OriginalArticles
- Keywords:
Whole-body counter;
BOMAB;
Simplified phantom;
Monte Carlo;
Calibration
- From:
Chinese Journal of Radiological Health
2023;32(3):259-263
- CountryChina
- Language:Chinese
-
Abstract:
Objective To develop a simplified phantom for the calibration of whole-body counters. Methods A simplified phantom design method for the calibration of whole-body counters was established based on the process and method of calibrating whole-body counters. By using the established method and Monte Carlo method, a simplified phantom including the total body, thyroid, lungs, and gastrointestinal tract was designed to calibrate the ORTEC-Stand FAST II whole-body counter. The simplified phantom was compared with the BOMAB phantom through experimental measurements. Results Within the range of 50 keV to 2 MeV, for rays of the same energy in the same organ of the simplified phantom and BOMAB phantom, the simulated data of detection efficiency by whole-body counting showed an error within 5%, and the experimental measurements showed an error within 10%. Conclusion We developed a simplified phantom for the calibration of the whole-body counter, demonstrating the feasibility of using the simplified phantom instead of a physical body phantom for whole-body counter calibration, which can greatly facilitate whole-body counter calibration for internal radiation monitoring.
