Measurement of displacement cross section of structural materials utilized in the proton accelerator facilities with the kinematic energy above 400 MeVShin-ichiro MEIGO, Hiroki MATSUDA, Yosuke IWAMOTO, Makoto YOSHIDA, Shoichi HASEGAWA, Fujio MAEKAWA, Hiroki IWAMOTO, Tatsushi NAKAMOTO, Taku ISHIDA and Shunsuke MAKIMURAEPJ Web Conf., 239 (2020) 06006DOI: https://doi.org/10.1051/epjconf/202023906006