Shielding experiments of concrete and iron for the 244 MeV and 387 MeV quasi-mono energetic neutrons using an organic scintillator (at RCNP, Osaka Univ.)Masayuki Hagiwara, Hiroshi Iwase, Yosuke Iwamoto, Daiki Satoh, Tetsuro Matsumoto, Akihiko Masuda, Hiroshi Yashima, Yoshihiro Nakane, Hiroshi Nakashima, Yukio Sakamoto, Tatsushi Shima, Atsushi Tamii, Kichiji Hatanaka and Takashi NakamuraEPJ Web Conf., 153 (2017) 08021DOI: https://doi.org/10.1051/epjconf/201715308021