Offline data processing system of the BESIII experiment Jiaheng Zou, Weidong Li, Qiumei Ma, Zhengyun You, Shengsen Sun, Ziyan Deng, Xiaobin Ji, Alexy Zhemchugov, Wenxing Fang, Chengdong Fu et al. (15 more) Eur. Phys. J. C, 84 9 (2024) 937 Published online: 17 September 2024 DOI: 10.1140/epjc/s10052-024-13241-3