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Miniature Low Energy Electron Detector for Radiation Environment Studies

Abstract : We present a miniature particle monitor for space -- Low Energy Electron Detector LEED The instrument is based on the Si microstrip MYTHEN detector made in PSI for the synchrotron X-ray detection Its version for space is designed to detect low energy electrons in the planetary radiation belts and for monitoring of the Interplanetary Space Weather LEED will perform measurements of electrons in the energy range from few up to few hundred keV with energy resolution of several keV The detector is characterised by very high counting rate ability of up to 1 4 million counts per second per strip and a miniature radiation hard ASIC read-out chip serving for 128 detection channels Other features are very small size and weight as well as minimum power consumption This makes LEED also very beneficial for radiation detection at remote locations like nearby of the other planets of the solar system To date a demonstration model of the monitor was tested using radioactive sources and its space worthiness was verified In addition the full computer model of the detector was constructed and its response was highly optimised First implementation of the detector in space is foreseen onboard of the AlphaSat as part of the General Spacecraft Environment Monitor
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https://hal-insu.archives-ouvertes.fr/insu-00358878
Contributor : Béatrice Pibaret-Bourdon <>
Submitted on : Wednesday, February 4, 2009 - 5:07:41 PM
Last modification on : Tuesday, April 17, 2018 - 8:42:02 PM

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  • HAL Id : insu-00358878, version 1

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W. Hajdas, A. Mshedlishvili, C. Eggel, D. Kotlinski, B. Schmitt. Miniature Low Energy Electron Detector for Radiation Environment Studies. 36th COSPAR Scientific Assembly, 2006, Beijing, China. ⟨insu-00358878⟩

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