Development of active neutron nondestructive assay systemYosuke Toh, Akira Ohzu, Harufumi Tsuchiya, Kazuyoshi Furutaka, Fumito Kitatani, Masao Komeda, Makoto Maeda and Mitsuo KoizumiEPJ Web Conf., 329 (2025) 06001DOI: https://doi.org/10.1051/epjconf/202532906001