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ANGEO | Articles | Volume 37, issue 4
Ann. Geophys., 37, 549–559, 2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Ann. Geophys., 37, 549–559, 2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

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 et al.
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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,, 1992. 
Apatenkov, S. V., Sergeev, V. A., Kubyshkina, M. V., Nakamura, R., Baumjohann, W., Runov, A., Alexeev, I., Fazakerley, A., Frey, H., Muhlbachler, S., Daly, P. W., Sauvaud, J.-A., Ganushkina, N., Pulkkinen, T., Reeves, G. D., and Khotyaintsev, Y.: Multi-spacecraft observation of plasma dipolarization/injection in the inner magnetosphere, Ann. Geophys., 25, 801–814,, 2007. 
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,, 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,, 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,, 2010. 
Publications Copernicus
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.
In this work we present an analysis of the dynamics of suprathermal ions of different masses...