Arase and Van Allen Probes Observations of Rapid Variations of Energetic Electron Pitch Angle Distributions and Whistler-Mode Chorus Emissions During Substorm Plasma Injections
James L Roeder1, Joseph F. Fennell2, Yoshizumi Miyoshi3, Satoshi Kurita4, Satoshi Kasahara5, Shoichiro Yokota6, Ayako Matsuoka6, Iku Shinohara7, David Schriver8 and Nicole Echterling9, (1)Aerospace Corporation, Los Angeles, CA, United States, (2)Aerospace Corporation Los Angeles, Los Angeles, CA, United States, (3)Nagoya University, Institute for Space-Earth Environmental Research, Nagoya, Japan, (4)Kyoto University, Research Institute for Sustainable Humanosphere, Kyoto, Japan, (5)The University of Tokyo, Graduate School of Science, Tokyo, Japan, (6)ISAS/JAXA, Sagamihara, Japan, (7)Japan Aerospace Exploration Agency, Institute of Space and Astronautical Science, Sagamihara, Kanagawa, Japan, (8)University of California Los Angeles, Department of Physics and Astronomy, Los Angeles, CA, United States, (9)University of California Los Angeles, Department of Earth, Planetary, and Space Sciences, Los Angeles, CA, United States