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Imaging mass-spectrometer of ions for studying near-planetary plasma |
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| Authors: | O L Vaisberg A V Leibov V N Smirnov L A Avanov J -J Bertelier K Torcar F Leblan V F Babkin V A Grishin V Baumjohann F Escoubet |
| Institution: | (1) Space Research Institute, Russian Academy of Sciences, Profsoyuznaya ul. 84/32, Moscow, 117997, Russia;(2) National Center for Science and Technology, Huntswille, USA;(3) Center d’Etudes Terrestres at Planetaires, Saint-Muar, France;(4) Institut fur Weltraumforschung, Graz, Austria;(5) Service d’Aeronomie du CNRS, Verriéres-le-Buisson, France;(6) ESA/ESTEC, Noordwijk, The Netherlands |
| Abstract: | A numerical model of an ion mass-spectrometer is developed based on the new type of charged-particle analyzer CAMERA suggested previously 1–3]. The spectrometer provides for complete instantaneous imaging of the flux distribution of various ions in a hemisphere. Such a type of the mass-spectrometer is chosen, which allows one to analyze a conelike beam of ions at the exit of the CAMERA. The mathematical model of the CAMERA with this time-of-flight mass-analyzer ensures sufficiently high mass resolution (M/ΔM > 100) at conserved imaging capabilities of the CAMERA. Such an instrument can find a wide application both in magnetospheric studies and in studying various objects of the solar system. |
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