Top quark mass measurements at the threshold with CEPC Zhan Li, Xiaohu Sun, Yaquan Fang, Gang Li, Shuiting Xin, Shudong Wang, Yiwei Wang, Yuan Zhang, Hao Zhang and Zhijun Liang Eur. Phys. J. C, 83 4 (2023) 269 Published online: 01 April 2023 DOI: 10.1140/epjc/s10052-023-11421-1