1. Nuclear Science and Engineering Center, Japan Atomic Energy Agency, Ibaraki, Japan
2. Collaborative Laboratories for Advanced Decommissioning Science, Japan Atomic Energy Agency, Ibaraki, Japan
3. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Miyagi, Japan
4. Center for Fundamental Research on Nuclear Decommissioning, Tohoku University, Miyagi, Japan
5. Department of Nuclear Engineering, Kyoto University, Kyoto, Japan