Calculation of atmospheric ionization induced by electrons with non-vertical precipitation: Updated model CRAC-EPII

Anton Artamonov, Irina Mironova, Gennady Kovaltsov, Alexander Mishev, Evgenii Plotnikov, Natalia Konstantinova

Research School of Chemistry & Applied Biomedical Sciences

Research output: Contribution to journal › Article

Abstract

In this paper we present a method to compute ionization rates induced by relativistic electron precipitation with arbitrary incidence. Atmospheric ionization for monoenergetic (>100 keV) relativistic electron precipitation including explicitly ionization by Bremsstrahlung radiation is considered. Two peaks of energy deposition in the atmosphere can be identified. The first ionization peak is related to direct ionization of primary relativistic electrons, while the second corresponds to Bremsstrahlung radiation. The ionization rates are presented us Look-up Tables for vertical, isotropic and angular distributions for 15°,30° and 45° angles of electron incidence. A computation algorithm is provided to compute ionization for an arbitrary angular distribution of precipitation electrons.

Original language	English
Pages (from-to)	2295-2300
Number of pages	6
Journal	Advances in Space Research
Volume	59
Issue number	9
DOIs	https://doi.org/10.1016/j.asr.2017.02.019
Publication status	Published - 1 May 2017

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Keywords

Angular distributions of relativistic electron precipitation
Ionization by electrons and bremsstrahlung
Monoenergetic relativistic electrons
Relativistic electron precipitation (REP)

ASJC Scopus subject areas

Aerospace Engineering
Space and Planetary Science

Cite this

Artamonov, A., Mironova, I., Kovaltsov, G., Mishev, A., Plotnikov, E., & Konstantinova, N. (2017). Calculation of atmospheric ionization induced by electrons with non-vertical precipitation: Updated model CRAC-EPII. Advances in Space Research, 59(9), 2295-2300. https://doi.org/10.1016/j.asr.2017.02.019

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abstract = "In this paper we present a method to compute ionization rates induced by relativistic electron precipitation with arbitrary incidence. Atmospheric ionization for monoenergetic (>100 keV) relativistic electron precipitation including explicitly ionization by Bremsstrahlung radiation is considered. Two peaks of energy deposition in the atmosphere can be identified. The first ionization peak is related to direct ionization of primary relativistic electrons, while the second corresponds to Bremsstrahlung radiation. The ionization rates are presented us Look-up Tables for vertical, isotropic and angular distributions for 15°,30° and 45° angles of electron incidence. A computation algorithm is provided to compute ionization for an arbitrary angular distribution of precipitation electrons.",

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T2 - Updated model CRAC-EPII

AU - Artamonov, Anton

AU - Mironova, Irina

AU - Kovaltsov, Gennady

AU - Mishev, Alexander

AU - Plotnikov, Evgenii

AU - Konstantinova, Natalia

PY - 2017/5/1

Y1 - 2017/5/1

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KW - Angular distributions of relativistic electron precipitation

KW - Ionization by electrons and bremsstrahlung

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Access to Document

10.1016/j.asr.2017.02.019