2:25 PM - 2:40 PM
*Ryosuke Yanagisawa1, Koichi Sakakibara1, Hirochika Sumino2, Kou Takahashi1, Nanae Fukushima3, Junichi Yamamoto4, Terumi Ejima1 (1.Faculty of Science, Shinshu University, 2.Research Center for Advanced Science and Technology, The University of Tokyo, 3.Graduate School of Arts and Sciences, The University of Tokyo, 4.Suwa Seiryo high school, Suwa, Nagano)