1. Byon Initiative Research Unit (IRU), RIKEN, 2-1 Hirosawa, Wakoshi, Saitama 351-0198, Japan
2. Department of Energy Sciences, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku,
Yokohama 226-8502, Japan
3. Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu,
Daejeon 34141, Republic of Korea
4. Synchrotron Radiation (SR) Center, Ritsumeikan University, Kusatsu, Shiga 525-8577, Japan