Hadronic molecules composed of a doubly charmed tetraquark state and a charmed meson Ya-Wen Pan, Tian-Wei Wu, Ming-Zhu Liu and Li-Sheng Geng Eur. Phys. J. C, 82 10 (2022) 908 Published online: 13 October 2022 DOI: 10.1140/epjc/s10052-022-10881-1