K. Keika

Yahnin, A., Popova, T., Demekhov, A., Lubchich, A., Matsuoka, A., Asamura, K., et al. (2021). Evening side EMIC waves and related proton precipitation induced by a substorm. Journal Of Geophysical Research: Space Physics, n/a, e2020JA029091. http://doi.org/https://doi.org/10.1029/2020JA029091 (Original work published June 2021)

Mitchell, D., Lanzerotti, L., Kim, C., Stokes, M., Ho, G., Cooper, S., et al. (2013). Radiation Belt Storm Probes Ion Composition Experiment (RBSPICE). Space Science Reviews, 179, 263-308. http://doi.org/10.1007/s11214-013-9965-x (Original work published November 2013)

e, N. \, Oimatsu, S., Keika, K., Kletzing, C., Kurth, W., De Pascuale, S., et al. (2015). Formation of the oxygen torus in the inner magnetosphere: Van Allen Probes observations. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1002/2014JA020593 (Original work published February 2015)

e, M., Keika, K., Kletzing, C., Spence, H., Smith, C., MacDowall, R., et al. (2016). Van Allen Probes observations of magnetic field dipolarization and its associated O ⁺ flux variations in the inner magnetosphere at L < 6.6. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1002/2016JA022549 (Original work published July 2016)

Oimatsu, S., e, M., Takahashi, K., Yamamoto, K., Keika, K., Kletzing, C., et al. (2018). Van Allen Probes observations of drift-bounce resonance and energy transfer between energetic ring current protons and poloidal Pc4 wave. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1029/2017JA025087 (Original work published April 2018)

Mitani, K., Seki, K., Keika, K., Gkioulidou, M., Lanzerotti, L., Mitchell, D., & Kletzing, C. (2018). Radial Transport of Higher-Energy Oxygen Ions Into the Deep Inner Magnetosphere Observed by Van Allen Probes. Geophysical Research Letters. http://doi.org/10.1029/2018GL077500 (Original work published May 2018)

Mitani, K., Seki, K., Keika, K., Gkioulidou, M., Lanzerotti, L., Mitchell, D., et al. (2019). Statistical Study of Selective Oxygen Increase in High-Energy Ring Current Ions During Magnetic Storms. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1029/2018JA026168 (Original work published April 2019)

Yamamoto, K., e, N. \, Keika, K., Hartley, D. P., Smith, C. W., MacDowall, R. J., et al. (2019). Eastward Propagating Second Harmonic Poloidal Waves Triggered by Temporary Outward Gradient of Proton Phase Space Density: Van Allen Probe A Observation. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1029/2019JA027158 (Original work published November 2019)

Miyoshi, Y., Matsuda, S., Kurita, S., Nomura, K., Keika, K., Shoji, M., et al. (2019). EMIC waves converted from equatorial noise due to M/Q=2 ions in the plasmasphere: Observations from Van Allen Probes and Arase. Geophysical Research Letters. http://doi.org/10.1029/2019GL083024 (Original work published April 2019)