Publications of Mitsuo Oka ordered by citations

A list of publications authored or co-authored by Mitsuo Oka, derived from the SAO/NASA Astrophysics Data System (ADS) and ordered by the numbers of citations.

Orcid ID: 0000-0003-2191-1025

604	Electron-scale measurements of magnetic reconnection in space Burch, J. L., Torbert, R. B., Phan, T. D., Chen, L.-J., Moore, T. E., Ergun, R. E., Eastwood, J. P., Gershman, D. J., Cassak, P. A., Argall, M. R., Wang, S., Hesse, M., Pollock, C. J., Giles, B. L., Nakamura, R., Mauk, B. H., Fuselier, S. A., Russell, C. T., Strangeway, R. J., Drake, J. F., Shay, M. A., Khotyaintsev, Yu. V., Lindqvist, P.-A., Marklund, G., Wilder, F. D., Young, D. T., Torkar, K., Goldstein, J., Dorelli, J. C., Avanov, L. A., Oka, M., Baker, D. N., Jaynes, A. N., Goodrich, K. A., Cohen, I. J., Turner, D. L., Fennell, J. F., Blake, J. B., Clemmons, J., Goldman, M., Newman, D., Petrinec, S. M., Trattner, K. J., Lavraud, B., Reiff, P. H., Baumjohann, W., Magnes, W., Steller, M., Lewis, W., Saito, Y., Coffey, V. & Chandler, M., 2016, Science, 352, aaf2939
495	The Space Physics Environment Data Analysis System (SPEDAS) Angelopoulos, V., Cruce, P., Drozdov, A., Grimes, E. W., Hatzigeorgiu, N., King, D. A., Larson, D., Lewis, J. W., McTiernan, J. M., Roberts, D. A., Russell, C. L., Hori, T., Kasahara, Y., Kumamoto, A., Matsuoka, A., Miyashita, Y., Miyoshi, Y., Shinohara, I., Teramoto, M., Faden, J. B., Halford, A. J., McCarthy, M., Millan, R. M., Sample, J. G., Smith, D. M., Woodger, L. A., Masson, A., Narock, A. A., Asamura, K., Chang, T. F., Chiang, C.-Y., Kazama, Y., Keika, K., Matsuda, S., Segawa, T., Seki, K., Shoji, M., Tam, S. W. Y., Umemura, N., Wang, B.-J., Wang, S.-Y., Redmon, R., Rodriguez, J. V., Singer, H. J., Vandegriff, J., Abe, S., Nose, M., Shinbori, A., Tanaka, Y.-M., UeNo, S., Andersson, L., Dunn, P., Fowler, C., Halekas, J. S., Hara, T., Harada, Y., Lee, C. O., Lillis, R., Mitchell, D. L., Argall, M. R., Bromund, K., Burch, J. L., Cohen, I. J., Galloy, M., Giles, B., Jaynes, A. N., Le Contel, O., Oka, M., Phan, T. D., Walsh, B. M., Westlake, J., Wilder, F. D., Bale, S. D., Livi, R., Pulupa, M., Whittlesey, P., DeWolfe, A., Harter, B., Lucas, E., Auster, U., Bonnell, J. W., Cully, C. M., Donovan, E., Ergun, R. E., Frey, H. U., Jackel, B., Keiling, A., Korth, H., McFadden, J. P., Nishimura, Y., Plaschke, F., Robert, P., Turner, D. L., Weygand, J. M., Candey, R. M., Johnson, R. C., Kovalick, T., Liu, M. H., McGuire, R. E., Breneman, A., Kersten, K. & Schroeder, P., 2019, Space Science Reviews, 215, 9
335	Electron magnetic reconnection without ion coupling in Earth's turbulent magnetosheath Phan, T. D., Eastwood, J. P., Shay, M. A., Drake, J. F., Sonnerup, B. U. Ö., Fujimoto, M., Cassak, P. A., Øieroset, M., Burch, J. L., Torbert, R. B., Rager, A. C., Dorelli, J. C., Gershman, D. J., Pollock, C., Pyakurel, P. S., Haggerty, C. C., Khotyaintsev, Y., Lavraud, B., Saito, Y., Oka, M., Ergun, R. E., Retino, A., Le Contel, O., Argall, M. R., Giles, B. L., Moore, T. E., Wilder, F. D., Strangeway, R. J., Russell, C. T., Lindqvist, P. A. & Magnes, W., 2018, Nature, 557, 202
274	Electron-scale dynamics of the diffusion region during symmetric magnetic reconnection in space Torbert, R. B., Burch, J. L., Phan, T. D., Hesse, M., Argall, M. R., Shuster, J., Ergun, R. E., Alm, L., Nakamura, R., Genestreti, K. J., Gershman, D. J., Paterson, W. R., Turner, D. L., Cohen, I., Giles, B. L., Pollock, C. J., Wang, S., Chen, L.-J., Stawarz, J. E., Eastwood, J. P., Hwang, K. J., Farrugia, C., Dors, I., Vaith, H., Mouikis, C., Ardakani, A., Mauk, B. H., Fuselier, S. A., Russell, C. T., Strangeway, R. J., Moore, T. E., Drake, J. F., Shay, M. A., Khotyaintsev, Yuri V., Lindqvist, P.-A., Baumjohann, W., Wilder, F. D., Ahmadi, N., Dorelli, J. C., Avanov, L. A., Oka, M., Baker, D. N., Fennell, J. F., Blake, J. B., Jaynes, A. N., Le Contel, O., Petrinec, S. M., Lavraud, B. & Saito, Y., 2018, Science, 362, 1391
264	Electron Acceleration by Multi-Island Coalescence Oka, M., Phan, T.-D., Krucker, S., Fujimoto, M. & Shinohara, I., 2010, ApJ, 714, 915
197	Synopsis of the interstellar He parameters from combined neutral gas, pickup ion and UV scattering observations and related consequences Möbius, E., Bzowski, M., Chalov, S., Fahr, H.-J., Gloeckler, G., Izmodenov, V., Kallenbach, R., Lallement, R., McMullin, D., Noda, H., Oka, M., Pauluhn, A., Raymond, J., Ruciński, D., Skoug, R., Terasawa, T., Thompson, W., Vallerga, J., von Steiger, R. & Witte, M., 2004, A&A, 426, 897
125	Observations of the helium focusing cone with pickup ions Gloeckler, G., Möbius, E., Geiss, J., Bzowski, M., Chalov, S., Fahr, H., McMullin, D. R., Noda, H., Oka, M., Ruciński, D., Skoug, R., Terasawa, T., von Steiger, R., Yamazaki, A. & Zurbuchen, T., 2004, A&A, 426, 845
111	MMS observations of electron-scale filamentary currents in the reconnection exhaust and near the X line Phan, T. D., Eastwood, J. P., Cassak, P. A., Øieroset, M., Gosling, J. T., Gershman, D. J., Mozer, F. S., Shay, M. A., Fujimoto, M., Daughton, W., Drake, J. F., Burch, J. L., Torbert, R. B., Ergun, R. E., Chen, L. J., Wang, S., Pollock, C., Dorelli, J. C., Lavraud, B., Giles, B. L., Moore, T. E., Saito, Y., Avanov, L. A., Paterson, W., Strangeway, R. J., Russell, C. T., Khotyaintsev, Y., Lindqvist, P. A., Oka, M. & Wilder, F. D., 2016, Geophysical Research Letters, 43, 6060
104	Kappa Distribution Model for Hard X-Ray Coronal Sources of Solar Flares Oka, M., Ishikawa, S., Saint-Hilaire, P., Krucker, S. & Lin, R. P., 2013, ApJ, 764, 6
101	Weibel Instability and Associated Strong Fields in a Fully Three-Dimensional Simulation of a Relativistic Shock Nishikawa, K.-I., Niemiec, J., Hardee, P. E., Medvedev, M., Sol, H., Mizuno, Y., Zhang, B., Pohl, M., Oka, M. & Hartmann, D. H., 2009, ApJ, 698, L10
99	MMS observations of large guide field symmetric reconnection between colliding reconnection jets at the center of a magnetic flux rope at the magnetopause Øieroset, M., Phan, T. D., Haggerty, C., Shay, M. A., Eastwood, J. P., Gershman, D. J., Drake, J. F., Fujimoto, M., Ergun, R. E., Mozer, F. S., Oka, M., Torbert, R. B., Burch, J. L., Wang, S., Chen, L. J., Swisdak, M., Pollock, C., Dorelli, J. C., Fuselier, S. A., Lavraud, B., Giles, B. L., Moore, T. E., Saito, Y., Avanov, L. A., Paterson, W., Strangeway, R. J., Russell, C. T., Khotyaintsev, Y., Lindqvist, P. A. & Malakit, K., 2016, Geophysical Research Letters, 43, 5536
82	Electron Power-Law Spectra in Solar and Space Plasmas 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., 2018, Space Science Reviews, 214, 82
78	Electron Energy Partition in the Above-the-looptop Solar Hard X-Ray Sources Oka, Mitsuo, Krucker, Säm, Hudson, Hugh S. & Saint-Hilaire, Pascal, 2015, ApJ, 799, 129
74	“Island surfing” mechanism of electron acceleration during magnetic reconnection Oka, M., Fujimoto, M., Shinohara, I. & Phan, T. D., 2010, Journal of Geophysical Research (Space Physics), 115, A08223
67	Whistler critical Mach number and electron acceleration at the bow shock: Geotail observation Oka, M., Terasawa, T., Seki, Y., Fujimoto, M., Kasaba, Y., Kojima, H., Shinohara, I., Matsui, H., Matsumoto, H., Saito, Y. & Mukai, T., 2006, Geophysical Research Letters, 33, L24104
65	Nonequilibrium Processes in the Solar Corona, Transition Region, Flares, and Solar Wind (Invited Review) Dudík, Jaroslav, Dzifčáková, Elena, Meyer-Vernet, Nicole, Del Zanna, Giulio, Young, Peter R., Giunta, Alessandra, Sylwester, Barbara, Sylwester, Janusz, Oka, Mitsuo, Mason, Helen E., Vocks, Christian, Matteini, Lorenzo, Krucker, Säm, Williams, David R. & Mackovjak, Šimon, 2017, Solar Physics, 292, 100
61	Electron Scattering by High-frequency Whistler Waves at Earth’s Bow Shock 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., 2017, ApJ, 842, L11
59	Observational Evidence for Stochastic Shock Drift Acceleration of Electrons at the Earth's Bow Shock Amano, T., Katou, T., Kitamura, N., Oka, M., Matsumoto, Y., Hoshino, M., Saito, Y., Yokota, S., Giles, B. L., Paterson, W. R., Russell, C. T., Le Contel, O., Ergun, R. E., Lindqvist, P.-A., Turner, D. L., Fennell, J. F. & Blake, J. B., 2020, Physical Review Letters, 124, 065101
58	Multiscale whistler waves within Earth's perpendicular bow shock Hull, A. J., Muschietti, L., Oka, M., Larson, D. E., Mozer, F. S., Chaston, C. C., Bonnell, J. W. & Hospodarsky, G. B., 2012, Journal of Geophysical Research (Space Physics), 117, A12104
41	Reconnection With Magnetic Flux Pileup at the Interface of Converging Jets at the Magnetopause Øieroset, M., Phan, T. D., Drake, J. F., Eastwood, J. P., Fuselier, S. A., Strangeway, R. J., Haggerty, C., Shay, M. A., Oka, M., Wang, S., Chen, L.-J., Kacem, I., Lavraud, B., Angelopoulos, V., Burch, J. L., Torbert, R. B., Ergun, R. E., Khotyaintsev, Y., Lindqvist, P. A., Gershman, D. J., Giles, B. L., Pollock, C., Moore, T. E., Russell, C. T., Saito, Y., Avanov, L. A. & Paterson, W., 2019, Geophysical Research Letters, 46, 1937
40	Pre-flight Calibration and Near-Earth Commissioning Results of the Mercury Plasma Particle Experiment (MPPE) Onboard MMO (Mio) Saito, Yoshifumi, Delcourt, Dominique, Hirahara, Masafumi, Barabash, Stas, André, Nicolas, Takashima, Takeshi, Asamura, Kazushi, Yokota, Shoichiro, Wieser, Martin, Nishino, Masaki N., Oka, Mitsuo, Futaana, Yoshifumi, Harada, Yuki, Sauvaud, Jean-André, Louarn, Philippe, Lavraud, Benoit, Génot, Vincent, Mazelle, Christian, Dandouras, Iannis, Jacquey, Christian, Aoustin, Claude, Barthe, Alain, Cadu, Alexandre, Fedorov, Andréi, Frezoul, Anne-Marie, Garat, Catherine, Le Comte, Eric, Lee, Qiu-Mei, Médale, Jean-Louis, Moirin, David, Penou, Emmanuel, Petiot, Mathieu, Peyre, Guy, Rouzaud, Jean, Séran, Henry-Claude, Nëmeček, Zdenëk, Sţafránková, Jana, Marcucci, Maria Federica, Bruno, Roberto, Consolini, Giuseppe, Miyake, Wataru, Shinohara, Iku, Hasegawa, Hiroshi, Seki, Kanako, Coates, Andrew J., Leblanc, Frédéric, Verdeil, Christophe, Katra, Bruno, Fontaine, Dominique, Illiano, Jean-Marie, Berthelier, Jean-Jacques, Techer, Jean-Denis, Fraenz, Markus, Fischer, Henning, Krupp, Norbert, Woch, Joachim, Bührke, Ulrich, Fiethe, Björn, Michalik, Harald, Matsumoto, Haruhisa, Yanagimachi, Tomoki, Miyoshi, Yoshizumi, Mitani, Takefumi, Shimoyama, Manabu, Zong, Qiugang, Wurz, Peter, Andersson, Herman, Karlsson, Stefan, Holmström, Mats, Kazama, Yoichi, Ip, Wing-Huen, Hoshino, Masahiro, Fujimoto, Masaki, Terada, Naoki, Keika, Kunihiro & BepiColombo Mio/MPPE Team, 2021, Space Science Reviews, 217, 70
39	Particle Acceleration by Magnetic Reconnection in Geospace 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., 2023, Space Science Reviews, 219, 75
37	Hard X-Ray Emission from Partially Occulted Solar Flares: RHESSI Observations in Two Solar Cycles Effenberger, Frederic, Rubio da Costa, Fatima, Oka, Mitsuo, Saint-Hilaire, Pascal, Liu, Wei, Petrosian, Vahé, Glesener, Lindsay & Krucker, Säm, 2017, ApJ, 835, 124
37	Magnetic Reconnection at a Thin Current Sheet Separating Two Interlaced Flux Tubes at the Earth's Magnetopause Kacem, I., Jacquey, C., Génot, V., Lavraud, B., Vernisse, Y., Marchaudon, A., Le Contel, O., Breuillard, H., Phan, T. D., Hasegawa, H., Oka, M., Trattner, K. J., Farrugia, C. J., Paulson, K., Eastwood, J. P., Fuselier, S. A., Turner, D., Eriksson, S., Wilder, Victoria, Russell, C. T., Øieroset, M., Burch, J., Graham, D. B., Sauvaud, J.-A., Avanov, L., Chandler, M., Coffey, V., Dorelli, J., Gershman, D. J., Giles, B. L., Moore, T. E., Saito, Y., Chen, L.-J. & Penou, E., 2018, Journal of Geophysical Research (Space Physics), 123, 1779
37	Electron Scattering by Low-frequency Whistler Waves at Earth’s Bow Shock 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., 2019, ApJ, 886, 53
36	Magnetic Reconnection by a Self-Retreating X Line Oka, M., Fujimoto, M., Nakamura, T. K. M., Shinohara, I. & Nishikawa, K.-I., 2008, Physical Review Letters, 101, 205004
36	Ion Kinetics in a Hot Flow Anomaly: MMS Observations Schwartz, Steven J., Avanov, Levon, Turner, Drew, Zhang, Hui, Gingell, Imogen, Eastwood, Jonathan P., Gershman, Daniel J., Johlander, Andreas, Russell, Christopher T., Burch, James L., Dorelli, John C., Eriksson, Stefan, Ergun, Robert E., Fuselier, Stephen A., Giles, Barbara L., Goodrich, Katherine A., Khotyaintsev, Yuri V., Lavraud, Benoit, Lindqvist, Per-Arne, Oka, Mitsuo, Phan, Tai-Duc, Strangeway, Robert J., Trattner, Karlheinz J., Torbert, Roy B., Vaivads, Andris, Wei, Hanying & Wilder, Frederick, 2018, Geophysical Research Letters, 45, 11,520
34	Field-aligned beam observations at the quasi-perpendicular bow shock: Generation and shock angle dependence Oka, M., Terasawa, T., Saito, Y. & Mukai, T., 2005, Journal of Geophysical Research (Space Physics), 110, A05101
32	Magnetic reconnection X-line retreat associated with dipolarization of the Earth's magnetosphere Oka, M., Phan, T.-D., Eastwood, J. P., Angelopoulos, V., Murphy, N. A., Øieroset, M., Miyashita, Y., Fujimoto, M., McFadden, J. & Larson, D., 2011, Geophysical Research Letters, 38, L20105
31	Decay of mesoscale flux transfer events during quasi-continuous spatially extended reconnection at the magnetopause Hasegawa, H., Kitamura, N., Saito, Y., Nagai, T., Shinohara, I., Yokota, S., Pollock, C. J., Giles, B. L., Dorelli, J. C., Gershman, D. J., Avanov, L. A., Kreisler, S., Paterson, W. R., Chandler, M. O., Coffey, V., Burch, J. L., Torbert, R. B., Moore, T. E., Russell, C. T., Strangeway, R. J., Le, G., Oka, M., Phan, T. D., Lavraud, B., Zenitani, S. & Hesse, M., 2016, Geophysical Research Letters, 43, 4755
28	Effect of inflow density on ion diffusion region of magnetic reconnection: Particle-in-cell simulations Wu, P., Shay, M. A., Phan, T. D., Oieroset, M. & Oka, M., 2011, Physics of Plasmas, 18, 111204
26	Electron energization and thermal to non- thermal energy partition during earth's magnetotail reconnection 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, 2022, Physics of Plasmas, 29, 052904
24	`Torus' distribution of interstellar helium pickup ions: Direct observation Oka, M., Terasawa, T., Noda, H., Saito, Y. & Mukai, T., 2002, Geophysical Research Letters, 29, 1612
24	In situ evidence of electron energization in the electron diffusion region of magnetotail reconnection Oka, M., Phan, T.-D., Øieroset, M. & Angelopoulos, V., 2016, Journal of Geophysical Research (Space Physics), 121, 1955
22	Radiation from relativistic shocks in turbulent magnetic fields Nishikawa, K.-I., Niemiec, J., Medvedev, M., Zhang, B., Hardee, P., Nordlund, A., Frederiksen, J., Mizuno, Y., Sol, H., Pohl, M., Hartmann, D. H., Oka, M. & Fishman, G. J., 2011, Advances in Space Research, 47, 1434
20	Evolution of the anemone AR NOAA 10798 and the related geo-effective flares and CMEs Asai, Ayumi, Shibata, Kazunari, Ishii, Takako T., Oka, Mitsuo, Kataoka, Ryuho, Fujiki, Ken'ichi & Gopalswamy, Nat, 2009, Journal of Geophysical Research (Space Physics), 114, A00A21
18	Particle Acceleration in Mercury's Magnetosphere Zelenyi, L., Oka, M., Malova, H., Fujimoto, M., Delcourt, D. & Baumjohann, W., 2007, Space Science Reviews, 132, 593
17	Determination of shock parameters for the very fast interplanetary shock on 29 October 2003 Terasawa, T., Nakata, K., Oka, M., Saito, Y., Mukai, T., Hayakawa, H., Matsuoka, A., Tsuruda, K., Ishisaka, K., Kasaba, K., Kojima, H. & Matsumoto, H., 2005, Journal of Geophysical Research (Space Physics), 110, A09S12
16	Scaling of Magnetic Reconnection Electron Bulk Heating in the High-Alfvén-speed and Low-β Regime of Earth's Magnetotail Øieroset, M., Phan, T. D., Oka, M., Drake, J. F., Fuselier, S. A., Gershman, D. J., Maheshwari, K., Giles, B. L., Zhang, Q., Guo, F., Burch, J. L., Torbert, R. B. & Strangeway, R. J., 2023, ApJ, 954, 118
14	Energy Dissipation at the Termination Shock: 1D PIC Simulation Oka, M., Zank, G. P., Burrows, R. H. & Shinohara, I., 2011, Partially Ionized Plasmas Throughout the Cosmos-Proceedings of the 2010 Huntsville Workshop (Editors: Florinski, Vladimir, Heerikhuisen, Jacob, Zank, Gary P. & Gallagher, Dennis L.), American Institute of Physics Conference Series, 1366, p. 53
14	‘Cosmic-ray-mediated’ interplanetary shocks in 1994 and 2003 Terasawa, T., Oka, M., Nakata, K., Keika, K., Nosé, M., McEntire, R. W., Saito, Y. & Mukai, T., 2006, Advances in Space Research, 37, 1408
14	Disturbance of the Front Region of Magnetic Reconnection Outflow Jets due to the Lower-Hybrid Drift Instability Nakamura, T. K. M., Umeda, T., Nakamura, R., Fu, H. S. & Oka, M., 2019, Physical Review Letters, 123, 235101
13	Acceleration of interstellar helium pickup ions at the Earth's bow shock: GEOTAIL observation Oka, M., Terasawa, T., Noda, H., Saito, Y. & Mukai, T., 2002, Geophysical Research Letters, 29, 1688
12	Establishing the Context for Reconnection Diffusion Region Encounters and Strategies for the Capture and Transmission of Diffusion Region Burst Data by MMS Phan, T. D., Shay, M. A., Eastwood, J. P., Angelopoulos, V., Oieroset, M., Oka, M. & Fujimoto, M., 2016, Space Science Reviews, 199, 631
11	Spatial evolution of magnetic reconnection diffusion region structures with distance from the X-line Øieroset, M., Phan, T. D., Ergun, R., Ahmadi, N., Genestreti, K., Drake, J. F., Liu, Y.-H., Haggerty, C., Eastwood, J. P., Shay, M. A., Pyakurel, P. S., Haaland, S., Oka, M., Goodbred, M., Eriksson, S., Burch, J. L., Torbert, R. B., Khotyaintsev, Y., Russell, C. T., Strangeway, R. J., Gershman, D. J. & Giles, B. L., 2021, Physics of Plasmas, 28, 122901
11	Case Study of Solar Wind Suprathermal Electron Acceleration at the Earth's Bow Shock Liu, Zixuan, Wang, Linghua, Shi, Quanqi, Oka, Mitsuo, Yang, Liu, Wimmer-Schweingruber, Robert F., He, Jiansen, Tian, Hui & Bale, Stuart D., 2020, ApJ, 889, L2
10	Radiation from Relativistic Shocks with Turbulent Magnetic Fields Nishikawa, K.-I., Nimiec, J., Medvedev, M., Zhang, B., Hardee, P., Mizuno, Y., Nordlund, Å., Frederiksen, J., Sol, H., Pohl, M., Hartmann, D. H., Oka, M. & Fishman, J. F., 2010, International Journal of Modern Physics D, 19, 715
9	Non-thermal electrons at the Earth's bow shock: A 'gradual' event Oka, M., Terasawa, T., Fujimoto, M., Matsui, H., Kasaba, Y., Saito, Y., Kojima, H., Matsumoto, H. & Mukai, T., 2009, Earth, Planets and Space, 61, 603
9	Scaling of Ion Bulk Heating in Magnetic Reconnection Outflows for the High-Alfvén-speed and Low-β Regime in Earth's Magnetotail Øieroset, M., Phan, T. D., Drake, J. F., Starkey, M., Fuselier, S. A., Cohen, I. J., Haggerty, C. C., Shay, M. A., Oka, M., Gershman, D. J., Maheshwari, K., Burch, J. L., Torbert, R. B. & Strangeway, R. J., 2024, ApJ, 971, 144
8	A two-step scenario for both solar flares and magnetospheric substorms: Short duration energy storage Tsurutani, Bruce T., Shibata, Kazunari, Akasofu, Syun-Ichi & Oka, Mitsuo, 2009, Earth, Planets and Space, 61, 555
7	A study of the changes of the near-Earth plasma sheet and lobe driven by multiple substorms: Comparison with a full particle simulation of reconnection Sauvaud, J.-A., Jacquey, C., Oka, M., Palin, L., Fruit, G., Kistler, L. M., Balogh, A., Cao, J. B., Reeves, G., Mukai, T., Shinohara, I. & Grigorenko, E., 2012, Journal of Geophysical Research (Space Physics), 117, A01221
5	Loop top nonthermal emission sources associated with an over-the-limb flare observed with NoRH and RHESSI Asai, Ayumi, Nakajima, Hiroshi, Oka, Mitsuo, Nishida, Keisuke & Tanaka, Yasuyuki T., 2007, Advances in Space Research, 39, 1398
5	Energy Partitioning Between Thermal and Non-Thermal Electrons and Ions in Magnetotail Reconnection Rajhans, Abhishek, Oka, Mitsuo, Øieroset, Marit, Phan, Tai, Cohen, Ian J., Fuselier, Stephen A., Turner, Drew L., Burch, James L., Russell, Christopher T., Gabrielse, Christine, Gershman, Daniel J. & Torbert, Roy B., 2025, Geophysical Research Letters, 52, e2025GL114931
5	Maximum Energy of Particles in Plasmas Oka, Mitsuo, Makishima, Kazuo & Terasawa, Toshio, 2025, ApJ, 979, 161
4	Statistical analysis of high-frequency whistler waves at Earth's bow shock: Further support for stochastic shock drift acceleration Amano, Takanobu, Masuda, Miki, Oka, Mitsuo, Kitamura, Naritoshi, Le Contel, Olivier & Gershman, Daniel J., 2024, Physics of Plasmas, 31, 042903
4	Shock Modification by Cosmic-Ray-Excited Turbulences Terasawa, T., Hada, T., Matsukiyo, S., Oka, M., Bamba, A. & Yamazaki, R., 2007, Progress of Theoretical Physics Supplement, 169, 146
3	Micro-Structure of the Heliospheric Termination Shock Zank, G. P., Burrows, R., Oka, M., Dasgupta, B., Heerikhuisen, J. & Webb, G. M., 2009, Shock Waves in Space and Astrophysical Environments: 18th Annual International AstroPhysics Conference (Editors: Ao, Xianzhi & Burrows, Gary Zank Ross), American Institute of Physics Conference Series, 1183, p. 156
3	Unusual enhancement of 30 MeV proton flux in an ICME sheath region Oka, Mitsuo, Obara, Takahiro, Nitta, Nariaki V., Yashiro, Seiji, Shiota, Daikou & Ichimoto, Kiyoshi, 2021, Earth, Planets and Space, 73, 31
3	Scaling of Particle Heating in Shocks and Magnetic Reconnection Oka, Mitsuo, Phan, Tai D., Øieroset, Marit, Gershman, Daniel J., Torbert, Roy B., Burch, James L. & Angelopoulos, Vassilis, 2025, ApJ, 984, 150
3	Spatial and time scaling of coalescing multiple magnetic islands Nakamura, T. K. M., Teh, W.-L., Zenitani, S., Umeda, T., Oka, M., Hasegawa, H., Veronig, A. M. & Nakamura, R., 2023, Physics of Plasmas, 30, 022902
2	Relativistic Electron Acceleration and the "Ankle" Spectral Feature in Earth's Magnetotail Reconnection Sun, Weijie, Oka, Mitsuo, Øieroset, Marit, Turner, Drew L., Phan, Tai, Cohen, Ian J., Li, Xiaocan, Huang, Jia, Smith, Andy W., Slavin, James A., Poh, Gangkai, Genestreti, Kevin J., Gershman, Dan, Dokgo, Kyunghwan, Le, Guan, Nakamura, Rumi & Burch, James L., 2025, ApJ, 978, L28
2	Detection of Large Guide Field Electron-Only Reconnection in a Filamentary Current Sheet Immersed in a Large-Scale Magnetopause Reconnection Exhaust Pyakurel, P. S., Phan, T. D., Øieroset, M., Drake, J. F., Shay, M. A., Mallet, A., Stawarz, J., Wang, S., Oka, M., Genestreti, K. J., Ahmadi, N., Burch, J. L., Torbert, R. B., Ergun, R. E., Gershman, D. J., Giles, B. L. & Strangeway, R. J., 2025, Physical Review Letters, 134, 115201
1	Thick escaping magnetospheric ion layer in magnetopause reconnection with MMS observations Nagai, T., Kitamura, N., Hasegawa, H., Shinohara, I., Yokota, S., Saito, Y., Nakamura, R., Giles, B. L., Pollock, C., Moore, T. E., Dorelli, J. C., Gershman, D. J., Paterson, W. R., Avanov, L. A., Chandler, M. O., Coffey, V., Sauvaud, J. A., Lavraud, B., Russell, C. T., Strangeway, R. J., Oka, M., Genestreti, K. J. & Burch, J. L., 2016, Geophysical Research Letters, 43, 6028
0	Quest for Waves Excited by Interstellar Helium Pickup Ions Oka, M. & Terasawa, T., 2005, Frontiers in Magnetospheric Plasma Physics (Editors: Hoshino, M., Omura, Y. & Lanzerotti, L. J.), 16, p. 306
0	Quest for Waves Excited by Interstellar Helium Pickup Ions Oka, M. & Terasawa, T., 2005, Cospar, 16, 306
0	Acceleration of Picked-up Interstellar Helium ions at the Earth's Bow Shock: GEOTAIL observation Oka, M., Terasawa, T., Noda, H., Mukai, T. & Saito, T., 2001, International Cosmic Ray Conference, International Cosmic Ray Conference, 10, p. 4236