15:30 〜 15:45
*Takayuki Tomaru1,3,2, Nobuhiro Kimura2,3, Kunihiko Hasegawa2, Yoshio Saito2,3 (1. National Astronomical Observatory of Japan (Japan), 2. Institute for Cosmic Ray Research, Univ. Tokyo (Japan), 3. High Energy Accelerator Research Organization (Japan))