Studies of nuclear equation of state with the HIRFL-CSR external-target experiment Dong Guo, Xionghong He, Pengcheng Li, Zhi Qin, Chenlu Hu, Botan Wang, Yingjie Zhou, Kun Zheng, Yapeng Zhang, Xianglun Wei et al. (9 more) Eur. Phys. J. A, 60 2 (2024) 36 Published online: 16 February 2024 DOI: 10.1140/epja/s10050-024-01245-2