Areal density and spatial resolution of high energy electron radiography
Xiao Jiahao1, 2, Zhang Zimin1, Cao Shuchun1, †, Yuan Ping1, Shen Xiaokang1, Cheng Rui1, ‡, Zhao Quantang1, Zong Yang1, Liu Ming1, Zhou Xianming1, Li Zhongping1, Zhao Yongtao1, Tang Chuanxiang3, Huang Wenhui3, Du Yingchao3, Gai Wei1, 3, 4
       

(color online) Angle distribution of the electrons after passing through the target with varying thickness.