Study of measuring methods on spatial resolution of a GEM imaging   detector
  In this paper, limitations of the common method measuring intrinsic spatial resolution of the GEM imaging detector are presented. Through theoretical analysis and experimental verification, we have improved the common method to avoid these limitations. Using these improved methods, more precise measurement of intrinsic spatial resolution are obtained. 
Xin-Yu Lu, Rui-Rui Fan, Yuan-Bo Chen, Qun Ouyang, Rong-Guang Liu, Peng   Liu, Hui-Rong Qi, Jian Zhang, Ping-Ping Zhao, Dong-...
physics.ins-det