Monte Carlo simulation study on coincidence-based imaging system for neutron-induced prompt-gamma activation imaging

被引：0
|
作者：
Lee, Han Rim [1 ]
Kim, Jiseok [1 ,2 ]
Sun, Gwang Min [1 ]
机构：
[1] Korea Atom Energy Res Inst, Neutron Utilizat Res Div, 111 Daedeok Daero,989 Beon Gil, Deajeon 34057, South Korea
[2] Hanyang Univ, Dept Nucl Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2018年 / 318卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
Neutron-induced activation analysis; Prompt-gamma activation imaging; Coincidence-based imaging system; Monte Carlo simulation; Geant4; toolkit; High-purity germanium(HPGe) detector; Position-sensitive detector; RANGE VERIFICATION;
D O I：
10.1007/s10967-018-6302-6
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In the present study, a new prompt-gamma activation imaging system was proposed for two-dimensional (2D) elemental distributions. The system, as based on coincidence measurement, consists of a high-purity germanium detector forthe measurement ofthe prompt-gamma energy and a position-sensitive detector forthe determination ofthe emission position. To estimate its feasibility, we performed the Monte Carlo simulations using the Geant4 toolkit. For an ironbulk sample with implanted nickel elements, we could recognize the shape of the nickel implant from the 2D image obtained by the imaging system using the energy information of characteristic prompt gammas emitted by neutron capture interactions.
引用
收藏
页码：2285 / 2289
页数：5
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