First-authored, refereed papers of Mitsuo Oka

A list of first-authored, refereed publications of Mitsuo Oka, derived from the SAO/NASA Astrophysics Data System (ADS). The number in brackets after each title indicates the number of citations that the paper has received.

Orcid ID: 0000-0003-2191-1025

List of publications ordered by citations
Number of papers: 20
No. of citations: 1015

2025

1. Scaling of Particle Heating in Shocks and Magnetic Reconnection [3]
   Oka, Mitsuo, Phan, Tai D., Øieroset, Marit, Gershman, Daniel J., Torbert, Roy B., Burch, James L. & Angelopoulos, Vassilis, ApJ, 984, 150
2. Maximum Energy of Particles in Plasmas [5]
   Oka, Mitsuo, Makishima, Kazuo & Terasawa, Toshio, ApJ, 979, 161

2023

1. Particle Acceleration by Magnetic Reconnection in Geospace [39]
   Oka, Mitsuo, Birn, Joachim, Egedal, Jan, Guo, Fan, Ergun, Robert E., Turner, Drew L., Khotyaintsev, Yuri, Hwang, Kyoung-Joo, Cohen, Ian J. & Drake, James F., Space Science Reviews, 219, 75

2022

1. Electron energization and thermal to non- thermal energy partition during earth's magnetotail reconnection [26]
   Oka, Mitsuo, Phan, Tai, Øieroset, Marit, Turner, Drew, Drake, James, Li, Xiaocan, Fuselier, Stephen, Gershman, Daniel, Giles, Barbara, Ergun, Robert, Torbert, Roy, Wei, Hanying, Strangeway, Robert, Russell, Christopher & Burch, James, Physics of Plasmas, 29, 052904

2021

1. Unusual enhancement of 30 MeV proton flux in an ICME sheath region [3]
   Oka, Mitsuo, Obara, Takahiro, Nitta, Nariaki V., Yashiro, Seiji, Shiota, Daikou & Ichimoto, Kiyoshi, Earth, Planets and Space, 73, 31

2019

1. Electron Scattering by Low-frequency Whistler Waves at Earth’s Bow Shock [37]
   Oka, M., Otsuka, F., Matsukiyo, S., Wilson, L. B., III, Argall, M. R., Amano, T., Phan, T. D., Hoshino, M., Le Contel, O., Gershman, D. J., Burch, J. L., Torbert, R. B., Dorelli, J. C., Giles, B. L., Ergun, R. E., Russell, C. T. & Lindqvist, P. A., ApJ, 886, 53

2018

1. Electron Power-Law Spectra in Solar and Space Plasmas [82]
   Oka, M., Birn, J., Battaglia, M., Chaston, C. C., Hatch, S. M., Livadiotis, G., Imada, S., Miyoshi, Y., Kuhar, M., Effenberger, F., Eriksson, E., Khotyaintsev, Y. V. & Retinò, A., Space Science Reviews, 214, 82

2017

1. Electron Scattering by High-frequency Whistler Waves at Earth’s Bow Shock [61]
   Oka, M., Wilson, L. B., III, Phan, T. D., Hull, A. J., Amano, T., Hoshino, M., Argall, M. R., Le Contel, O., Agapitov, O., Gershman, D. J., Khotyaintsev, Y. V., Burch, J. L., Torbert, R. B., Pollock, C., Dorelli, J. C., Giles, B. L., Moore, T. E., Saito, Y., Avanov, L. A., Paterson, W., Ergun, R. E., Strangeway, R. J., Russell, C. T. & Lindqvist, P. A., ApJ, 842, L11

2016

1. In situ evidence of electron energization in the electron diffusion region of magnetotail reconnection [24]
   Oka, M., Phan, T.-D., Øieroset, M. & Angelopoulos, V., Journal of Geophysical Research (Space Physics), 121, 1955

2015

1. Electron Energy Partition in the Above-the-looptop Solar Hard X-Ray Sources [78]
   Oka, Mitsuo, Krucker, Säm, Hudson, Hugh S. & Saint-Hilaire, Pascal, ApJ, 799, 129

2013

1. Kappa Distribution Model for Hard X-Ray Coronal Sources of Solar Flares [104]
   Oka, M., Ishikawa, S., Saint-Hilaire, P., Krucker, S. & Lin, R. P., ApJ, 764, 6

2011

1. Magnetic reconnection X-line retreat associated with dipolarization of the Earth's magnetosphere [32]
   Oka, M., Phan, T.-D., Eastwood, J. P., Angelopoulos, V., Murphy, N. A., Øieroset, M., Miyashita, Y., Fujimoto, M., McFadden, J. & Larson, D., Geophysical Research Letters, 38, L20105

2010

1. “Island surfing” mechanism of electron acceleration during magnetic reconnection [74]
   Oka, M., Fujimoto, M., Shinohara, I. & Phan, T. D., Journal of Geophysical Research (Space Physics), 115, A08223
2. Electron Acceleration by Multi-Island Coalescence [264]
   Oka, M., Phan, T.-D., Krucker, S., Fujimoto, M. & Shinohara, I., ApJ, 714, 915

2009

1. Non-thermal electrons at the Earth's bow shock: A 'gradual' event [9]
   Oka, M., Terasawa, T., Fujimoto, M., Matsui, H., Kasaba, Y., Saito, Y., Kojima, H., Matsumoto, H. & Mukai, T., Earth, Planets and Space, 61, 603

2008

1. Magnetic Reconnection by a Self-Retreating X Line [36]
   Oka, M., Fujimoto, M., Nakamura, T. K. M., Shinohara, I. & Nishikawa, K.-I., Physical Review Letters, 101, 205004

2006

1. Whistler critical Mach number and electron acceleration at the bow shock: Geotail observation [67]
   Oka, M., Terasawa, T., Seki, Y., Fujimoto, M., Kasaba, Y., Kojima, H., Shinohara, I., Matsui, H., Matsumoto, H., Saito, Y. & Mukai, T., Geophysical Research Letters, 33, L24104

2005

1. Field-aligned beam observations at the quasi-perpendicular bow shock: Generation and shock angle dependence [34]
   Oka, M., Terasawa, T., Saito, Y. & Mukai, T., Journal of Geophysical Research (Space Physics), 110, A05101

2002

1. Acceleration of interstellar helium pickup ions at the Earth's bow shock: GEOTAIL observation [13]
   Oka, M., Terasawa, T., Noda, H., Saito, Y. & Mukai, T., Geophysical Research Letters, 29, 1688
2. `Torus' distribution of interstellar helium pickup ions: Direct observation [24]
   Oka, M., Terasawa, T., Noda, H., Saito, Y. & Mukai, T., Geophysical Research Letters, 29, 1612