Neutron transport calculation for Activation Evaluation for Decommissioning of PET cyclotron Facility Fumiyoshi Nobuhara, Makoto Kuroyanagi, Kazuyoshi Masumoto, Hajime Nakamura, Akihiro Toyoda and Katsuhiko Takahashi EPJ Web Conf., 153 (2017) 04007 Published online: 25 September 2017 DOI: 10.1051/epjconf/201715304007