Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 37, issue 4
Articles | Volume 37, issue 4
https://doi.org/10.5194/angeo-37-549-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-37-549-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 37, issue 4
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

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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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