1. National Metrology Institute of Japan, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
2. Nuclear Science Research Institute, Japan Atomic Energy Agency, Tokai, Naka-gun, Ibaraki, Japan
3. Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology, Takasaki-shi, Japan
4. Laboratory for Advanced Nuclear Energy, Tokyo Institute of Technology, Meguro-ku, Tokyo, Japan
5. Radiation Science Center, High Energy Accelerator Research Organization, Tsukuba, Japan