Pile-up fraction on the follow-up X-ray telescope onboard Einstein Probe. - Zhang, Juan; Chen, Yong; Jia, Shu-Mei; Zhao, Hai-Sheng; Li, Cheng-Kui; Guan, Ju; Zhao, Xiao-Fan; Han, Da-Wei; Cui, Wei-Wei; Xu, Jing-Jing; Wang, Jin; Song, Li-Ming (Radiation Detection Technology & Methods, 2025)