Prolonged electron accelerations at a high-Mach-number, quasi-perpendicular shock
Yosuke Matsumoto, Chiba University, Chiba, Japan, Takanobu Amano, University of Tokyo, Graduate School of Science, Bunkyo-ku, Japan, Tsunehiko Kato, NAOJ National Astronomical Observatory of Japan, Tokyo, Japan and Masahiro Hoshino, The University of Tokyo, Tokyo, Japan