4:15 PM - 4:30 PM
*Akira Igarashi1, Tomoki Nakamura1, Moe Matuoka1, Yudai Sato, Keiichi Moroi2, Tomohiro Takamatsu, Shingo Kameda2 (1.Department of Earth and Planetary Materials Sciences, Faculty of Science, Tohoku University, 2.Department of Physics, Faculty of Science, Rikkyo University)