Articles | Volume 37, issue 4
https://doi.org/10.5194/angeo-37-549-2019
https://doi.org/10.5194/angeo-37-549-2019
Regular paper
 | 
09 Jul 2019
Regular paper |  | 09 Jul 2019

Acceleration of protons and heavy ions to suprathermal energies during dipolarizations in the near-Earth magnetotail

Andrei Y. Malykhin, Elena E. Grigorenko, Elena A. Kronberg, Patrick W. Daly, and Ludmila V. Kozak

Cited articles

Angelopoulos, V., Baumjohann, W., Kennel, C. F., Coroniti, F. V., Kivelson, M. G., Pellat, R., Walker, R. J., Lühr, H., and Paschmann, G.: Bursty bulk flows in the inner central plasma sheet, J. Geophys. Res., 97, 4027–4039, https://doi.org/10.1029/91JA02701, 1992. 
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Artemyev, A. V., Lutsenko, V. N., and Petrukovich, A. A.: Ion resonance acceleration by dipolarization fronts: analytic theory and spacecraft observation, Ann. Geophys., 30, 317–324, https://doi.org/10.5194/angeo-30-317-2012, 2012. 
Artemyev, A. V., Liu, J., Angelopoulos, V., and Runov, A.: Acceleration of ions by electric field pulses in the inner magnetosphere, J. Geophys. Res.-Space, 120, 4628–4640, https://doi.org/10.1002/2015JA021160, 2015. 
Asano, Y., Shinohara, I., Retinò, A., Daly, P. W., Kronberg, E. A., Takada, T., Nakamura, R., Khotyaintsev, Y. V., Vaivads, A., Nagai, T., Baumjohann, W., Fazakerley, A. N., Owen, C. J., Miyashita, Y., Lucek, E. A., and Rème, H.: Electron acceleration signatures in the magnetotail associated with substorms, J. Geophys. Res., 115, A05215, https://doi.org/10.1029/2009JA014587, 2010. 
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Short summary
In this work we present an analysis of the dynamics of suprathermal ions of different masses (H+, He+, O+) during prolonged dipolarizations in the near-Earth magnetotail according to Cluster/RAPID observations in 2001–2005. All dipolarizations from our database were associated with fast flow braking and consisted of multiple dipolarization fronts (DFs). We found statistically that fluxes of suprathermal ions started to increase ~ 1  min before the dipolarization onset and continued.
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