ParticleNet and its application on CEPC jet flavor tagging Yongfeng Zhu, Hao Liang, Yuexin Wang, Huilin Qu, Chen Zhou and Manqi Ruan Eur. Phys. J. C, 84 2 (2024) 152 Published online: 14 February 2024 DOI: 10.1140/epjc/s10052-024-12475-5