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Low energy plasma analyzer

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8 Author(s)
Hardy, D.A. ; Air Force Phillips Lab., Hanscom AFB, MA, USA ; Walton, D.M. ; Johnstone, A.D. ; Smith, M.F.
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The low energy plasma analyzer (LEPA) that operates in a direct wave-particle mode in which waves (below 30 kHz), measured by separate onboard electric field and wave experiments, and LEPA signals that are directly cross-correlated, is described. LEPA was developed for the Combined Release and Radiation Effects Satellite (CRRES). LEPA is capable of determining the three-dimensional distribution function of electrons and positive ions in this energy range while simultaneously determining the location in the distribution function and the frequency at which coherent wave-particle interactions may be occurring. The LEPA measurement system uses tri-quadrispherical electrostatic analyzers with microchannel plate detectors

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Nuclear Science, IEEE Transactions on  (Volume:40 ,  Issue: 2 )