1. Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-Ku, Kyoto 615-8510, Japan
2. Institute for Quantum Life Science, National Institutes for Quantum and Radiological Science and Technology, Anagawa 4-9-1, Inage-ku, Chiba 263-8555, Japan
3. Takasaki Advanced Radiation Research Institute, National Institutes for Quantum and Radiological Science and Technology, 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
4. Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan
5. Laboratory for Solid State Physics, ETH Zurich, Otto-Stern-Weg 1, 8093 Zürich, Switzerland
6. National Institute for Radiological Sciences, National Institutes for Quantum and Radiological Science and Technology, Anagawa 4-9-1,
Inage-ku, Chiba 263-8555, Japan
7. JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan