[P-EM18] Dynamics of Magnetosphere and Ionosphere

[PEM18-P13] Statistical Analysis of Electron Pitch Angle Distributions in the Inner Magnetosphere with High Angular Resolution around the Loss Cone

*Rino Takahara^1,2, Iku Shinohara², Satoshi Kasahara¹, Kazushi Asamura², Shoichiro Yokota³, Kunihiro Keika¹, Yoichi Kazama⁴, Shiang-Yu Wang⁴, Sunny Wing-Yee Tam⁵, Tzu-Fang Chang⁵, Bo-Jhou Wang⁴, Chae-Woo Jun⁶, Tomoaki Hori⁶, Ayako Matsuoka⁷, Mariko Teramoto⁸, Kazuhiro Yamamoto⁶, Yoshiya Kasahara⁹, Shoya Matsuda⁹, Atsushi Kumamoto¹⁰, Atsuki Shinbori⁶, Fuminori Tsuchiya¹⁰, Yoshizumi Miyoshi⁶ (1. The University of Tokyo, 2. ISAS/JAXA, 3. Osaka University, 4. ASIAA/Institute of Astronomy & Astrophysics, Academia Sinica, 5. National Cheng Kung University, 6. Nagoya University, 7. Kyoto University, 8. Kyushu Institute of Technology, 9. Kanazawa University, 10. Tohoku University)

Keywords:energetic electron precipitation, pitch angle distribution, inner magnetosphere, wave-particle interaction, Arase