Photon energy dependence of photoneutron production from heavy targets Thuong T.H. Nguyen, Toshiya Sanami, Hirohito Yamazaki, Eunji Lee, Kenta Sugihara, Toshiro Itoga, Yoichi Kirihara, Shuji Miyamoto, Satoshi Hashimoto and Yoshihiro Asano EPJ Web Conf., 292 (2024) 07004 Published online: 14 March 2024 DOI: 10.1051/epjconf/202429207004