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RAPID on Cluster
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Cluster/RAPID
Research with Adaptive Particle Imaging Detectors
6-Hour Summary Plots
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The MPS's PI contribution to the
Cluster Mission The RAPID spectrometer for the
Cluster mission is an advanced particle detector for the analysis of
suprathermal plasma distributions in the energy range from 20-400 keV for
electrons, 40-1500 keV (4000 keV) for hydrogen, and 10 keV/nuc - 1500 keV
(4000 keV) for heavier ions. Novel detector concepts in combination with
pin-hole acceptance allow the measurement of angular distributions over a
range of 180° in polar angle for either species. The detection principle
for the ionic component is based on a two-dimensional analysis of the
particle's velocity and energy. Electrons are identified by the well known
energy-range relationship.
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