The ground states of hidden-charm tetraquarks and their radial excitations Guo-Liang Yu, Zhen-Yu Li, Zhi-Gang Wang, Bin Wu, Ze Zhou and Jie Lu Eur. Phys. J. C, 84 10 (2024) 1130 Published online: 30 October 2024 DOI: 10.1140/epjc/s10052-024-13514-x