1. Osaka University, Graduate School of Science, Department of Earth and Space Science, Toyonaka, Japan
2. KIOXIA Corporation, Yokohama, Japan
3. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan
4. Kanto Gakuin University, College of Science and Engineering, Yokohama, Japan
5. Ehime University, Department of Physics, Matsuyama, Japan
6. Kwansei Gakuin University, Department of Physics, Sanda, Japan