Simple procedure for optimizing model of NaI(Tl) detector using Monte Carlo simulation

被引：15
|
作者：
Truong Thanh Sang [1 ]
Huynh Dinh Chuong [2 ]
Hoang Duc Tam [1 ]
机构：
[1] Ho Chi Minh City Univ Educ, Fac Phys, 280 An Duong Vuong St,Dist 5, Ho Chi Minh City, Vietnam
[2] VNUHCM Univ Sci, Nucl Tech Lab, Ho Chi Minh City, Vietnam
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2019年 / 322卷 / 02期
关键词：
Efficiency; MCNP; NaI(Tl) detector; Optimize; Simple procedure; HPGE DETECTOR; GAMMA-RAY; EFFICIENCY; MCNP; CALIBRATION; VALIDATION;
D O I：
10.1007/s10967-019-06787-0
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
This study proposed a simple procedure for optimizing the model of NaI(Tl) detector. The procedure considers using linear functions for describing the dependence of efficiency on each specification of detector using Monte Carlo simulation. The measurements were performed to determine the efficiency of detector using point calibration sources. Using these efficiencies, the optimized specifications were interpolated based on the above linear functions. The validation of optimized model was carried out by experimentally determining the efficiencies of detector and estimating the radioactivities of K-40, U-238, and Th-232 isotopes in reference samples. The obtained results showed good agreement between experiment and simulation.
引用
收藏
页码：1039 / 1048
页数：10
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