基于GEANT4的转换器和直接靶设计模拟研究以及使用30 MeV电子直线加速器生产钼的靶优化
GEANT4 based simulation study of converter and direct target design and optimization of target for Mo production using 30 MeV electron linear accelerator.
作者信息
Shaikh Aqsa, Dixit Tanuja, Deshpande Abhay, Krishnan R
机构信息
Society for Applied Microwave Electronics Engineering and Research (SAMEER), IIT Campus, Powai, Mumbai, 400076, India.
出版信息
Appl Radiat Isot. 2022 Jul;185:110239. doi: 10.1016/j.apradiso.2022.110239. Epub 2022 Apr 14.
A 30 MeV, 5-10 kW beam power electron linac is under development at SAMEER for radio-isotope production. An enriched Mo target will be irradiated to produce Mo which will be eluted to give Tc. Two approaches of Mo target irradiation -converter and direct are studied using GEANT4 simulations. The main aim of this study is to optimize the Mo target geometry for maximum yield. It is observed that direct target irradiation gives better activity as compared to converter target approach.
萨米尔中心正在研发一台用于生产放射性同位素的30兆电子伏特、束流功率为5 - 10千瓦的电子直线加速器。将用富集钼靶进行辐照以生产钼，钼经洗脱后可得到锝。利用GEANT4模拟研究了钼靶辐照的两种方法——转换靶法和直接辐照法。本研究的主要目的是优化钼靶几何形状以实现最大产量。结果表明，与转换靶法相比，直接靶辐照产生的活度更高。
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