3:30 PM - 3:45 PM
*Kazuki Yoshida1, Atsushi Okamoto1, Ryosuke Oyanagi2,3, Masakazu Fujii4, Yasuhiro Niwa5, Yasuo Takeichi6, Shuhei Tanaka1, Masao Kimura5 (1.Tohoku Univ., 2.Kokushikan Univ., 3.Japan Agency for Marine-Earth Science and Technology, 4.National Institute of Polar Research, 5.High Energy Accelerator Research Organization, 6.Osaka Univ.)