Development of An Epi-thermal Neutron Field for Fundamental Researches for BNCT with A DT Neutron SourceYuta Osawa, Shoichi Imoto, Sachie Kusaka, Fuminobu Sato, Masahiro Tanoshita et Isao MurataEPJ Web Conf., 153 (2017) 04008DOI: https://doi.org/10.1051/epjconf/201715304008