Design and Simulation of a Stereo Crystal Electromagnetic Calorimeter for the CEPC Huaqiao Zhang, Xiao Zhao, Chaochen Yuan, Lianyou Shan, Han Wang and Liheng Huang EPJ Web Conf., 320 (2025) 00059 Published online: 07 March 2025 DOI: 10.1051/epjconf/202532000059