Multi-instrument Observation of Nonlinear EMIC-Driven Electron Precipitation at sub–MeV Energies
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378289%3A_____%2F19%3A00507759" target="_blank" >RIV/68378289:_____/19:00507759 - isvavai.cz</a>
Alternative codes found
RIV/00216208:11320/19:10407568
Result on the web
<a href="https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2019GL082401" target="_blank" >https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2019GL082401</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1029/2019GL082401" target="_blank" >10.1029/2019GL082401</a>
Alternative languages
Result language
angličtina
Original language name
Multi-instrument Observation of Nonlinear EMIC-Driven Electron Precipitation at sub–MeV Energies
Original language description
In recent years, experimental results have consistently shown evidence of electromagnetic ion cyclotron (EMIC) wave-driven electron precipitation down to energies as low as hundreds of keV. However, this is at odds with the limits expected from quasi-linear theory. Recent analysis using nonlinear theory has suggested energy limits as low as hundreds of keV, consistent with the experimental results, although to date this has not been experimentally verified. In this study, we present concurrent observations from Polar-orbiting Operational Environmental Satellite, Radiation Belt Storm Probes, Global Positioning System, and ground-based instruments, showing concurrent EMIC waves and sub-MeV electron precipitation, and a global dropout in electron flux. We show through test particle simulation that the observed waves are capable of scattering electrons as low as hundreds of keV into the loss cone through nonlinear trapping, consistent with the experimentally observed electron precipitation.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10305 - Fluids and plasma physics (including surface physics)
Result continuities
Project
<a href="/en/project/LTAUSA17070" target="_blank" >LTAUSA17070: Electromagnetic waves in planetary ionospheres and magnetospheres</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Geophysical Research Letters
ISSN
0094-8276
e-ISSN
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Volume of the periodical
46
Issue of the periodical within the volume
13
Country of publishing house
US - UNITED STATES
Number of pages
10
Pages from-to
7248-7257
UT code for WoS article
000476960100022
EID of the result in the Scopus database
2-s2.0-85069778526