[1] Japan Atomic Energy Research Institute, Tokai Establishment, Tokai-mura, Naka-gun, Ibaraki-ken, Japan
[2] Tokyo Institute of Technology, Research Laboratory for Nuclear Reactors, The University of Tokyo, Japan
[3] National Laboratory for High Energy Physics, The University of Tokyo, Japan
[4] Tohoku University, The University of Tokyo, Japan
[5] Research Center for Nuclear Science and Technology, The University of Tokyo, Japan
[6] Institute for Nuclear Study, The University of Tokyo, Japan
[7] Nuclear Engineering Research Laboratory, The University of Tokyo, Japan
[8] Ship Research Institute, Takasaki Establishment, Japan
[9] Nippon Atomic Industry Group Co. Ltd, Takasaki Establishment, Japan
[10] Japan Atomic Energy Research Institute, Takasaki Establishment, Japan