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Ion Composition of the Earth’s Radiation Belts in the Range from 100 keV to \(100\mbox{ MeV}/\mbox{nucleon}\): Fifty Years of Research

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Abstract

Spatial, energy and angular distributions of ion fluxes in the Earth’s radiation belts (ERB) near the equatorial plane, at middle geomagnetic latitudes and at low altitudes are systematically reviewed herein. Distributions of all main ion components, from protons to Fe (including hydrogen and helium isotopes), and their variations under the action of solar and geomagnetic activity are considered. For ions with \(Z\geq 2\) and especially for ions with \(Z \geq 9\), these variations are much more than for protons, and these have no direct connection with the intensity of magnetic storms (\(Z\) is the charge of the atomic nucleus with respect to the charge of the proton). The main physical mechanisms for the generation of ion fluxes in the ERB and the losses of these ions are considered. Solar wind, Solar Cosmic Rays (SCR), Galactic Cosmic Rays (GCR), and Anomalous component of Cosmic Rays (ACR) as sources of ions in the ERB are considered.

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Acknowledgements

The author are very grateful to the reviewers for their very important and fruitful comments and proposals for the paper and to Dr. James L. Burch for editing the paper and helping to make this paper better. This work was supported by Russian Foundation for Basic Research, grant No. 17-29-01022.

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Correspondence to Alexander S. Kovtyukh.

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Kovtyukh, A.S. Ion Composition of the Earth’s Radiation Belts in the Range from 100 keV to \(100\mbox{ MeV}/\mbox{nucleon}\): Fifty Years of Research. Space Sci Rev 214, 124 (2018). https://doi.org/10.1007/s11214-018-0560-z

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  • DOI: https://doi.org/10.1007/s11214-018-0560-z

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