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\begin{document}

\title{Harmonization of RBSP and ARASE energetic electron measurements
utilizing ESA radiation monitor data}



\author[1]{Ingmar Sandberg}%
\author[2]{Piers Jiggens}%
\author[3]{Hugh D. Evans}%
\author[1]{Constantinos Papadimitriou}%
\author[1]{Sigiava Aminalragia-Giamini}%
\author[4]{Christos Katsavrias}%
\author[5]{Alexander J. Boyd}%
\author[5]{Thomas Paul O'Brien}%
\author[6]{Nana Higashio}%
\author[7]{Takefumi Mitani}%
\author[8]{Iku Shinohara}%
\author[9]{Yoshizumi Mioshi}%
\author[10]{Daniel N. Baker}%
\author[11]{Ioannis A. Daglis}%
\affil[1]{Space Applications and Research Consultancy}%
\affil[2]{European Space Agency}%
\affil[3]{ESA}%
\affil[4]{University of Athens}%
\affil[5]{The Aerospace Corporation}%
\affil[6]{JAXA}%
\affil[7]{ISAS/JAXA}%
\affil[8]{Japan Aerospace Exploration Agency}%
\affil[9]{Nagoya University}%
\affil[10]{University of Colorado Boulder}%
\affil[11]{National and Kapodistrian University of Athens}%


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  \date{May 26, 2024}


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\begin{abstract}
Accurate measurements of trapped energetic electron fluxes are of major
importance for the studies of the complex nature of radiation belts and
the characterization of space radiation environment. The harmonization
of measurements between different instruments increase the accuracy of
scientific studies and the reliability of data-driven models that treat
the specification of space radiation environment. An inter-calibration
analysis of the energetic electron flux measurements of the Magnetic
Electron Ion Spectrometer (MagEIS) and the Relativistic Electron-Proton
Telescope (REPT) instruments on-board the Radiation Belt Storm Probes
(RBSP) versus the measurements of the Extremely High Energy Electron
Experiment (XEP) unit on-board Arase (ERG) mission is presented. The
performed analysis demonstrates a remarkable agreement between the
majority of MagEIS and XEP measurements and suggests the re-scaling of
MagEIS HIGH unit and of REPT measurements for the treatment of flux
spectra discontinuities. The proposed adjustments were validated
successfully using measurements from ESA Environmental Monitoring Unit
(EMU) on-board GSAT0207 and the Standard Radiation Monitor (SREM)
on-board INTEGRAL. The derived results lead to the harmonization of
science-class experiments on-board RBSP (2012-2019) and Arase (2017- )
and propose the use of the datasets as reference in a series of space
weather and space radiation environment developments.%
\end{abstract}%



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