A multi-material diagnosis method based on high-energy proton radiography

作     者：Feng Chen Haibo Xu Junhui Shi Xinge Li Na Zheng Feng Chen;Haibo Xu;Junhui Shi;Xinge Li;Na Zheng

作者机构：Zhejiang LabHangzhou 310000China Institute of Applied Physics and Computational MathematicsBeijing 100094China Graduate School of China Academy of Engineering PhysicsBeijing 100088China 

出 版 物：《Matter and Radiation at Extremes》 (极端条件下的物质与辐射（英文）)

年 卷 期：2023年第8卷第4期

页      面：47-54页

核心收录：

学科分类：07[理学] 070202[理学-粒子物理与原子核物理] 0702[理学-物理学] 

基　　金：supported by the National Natural Science Foundation of China(Grant No.11675021) the Youth Fund Project of Zhejiang Lab(Grant No.K2023MG0AA08) 

主　　题：density. method. method 

摘      要：Diagnosis of fluids is extremely significant at high temperatures and high *** an advanced imaging technique,high-energy proton radiography has great potential for application to the diagnosis of high-density *** high-energy proton radiography,an angular collimator can control the proton flux and thus enable material diagnosis and reconstruction of *** this paper,we propose a multimaterial diagnostic method using angular *** method is verified by reconstructing the density distribution from the proton flux obtained via theoretical calculations and numerical *** simulate a 20 GeV proton imaging system using the Geant4 software toolkit and obtain the characteristic parameters of single-material *** design several concentric spherical objects to verify the *** discuss its application to detonation *** results show that this method can determine the material and boundary information about each component of a multi-material ***,it can be used to diagnose a mixed material and reconstruct densities in a detonation.