Ground experimental demonstration on remote sensing of neutral particles in the upper atmosphere using artificial ion beam

Details Ground experimental demonstration on remote sensing of neutral particles in the upper atmosphere using artificial ion beam Ground experimental demonstration on remote sensing of neutral particles in the upper atmosphere using artificial ion beam

Apr 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006jgra..11104307s&link_type=abstract

Journal of Geophysical Research, Volume 111, Issue A4, CiteID A04307

Mathematics

Logic

Atmospheric Processes: Remote Sensing, Atmospheric Processes: Instruments And Techniques, Space Plasma Physics: Neutral Particles (2151), Space Weather: Impacts On Technological Systems, Space Weather: Satellite Drag (1241)

Scientific paper

Sounding rockets and satellites have been dedicated to measuring ``natural'' energetic neutral atoms (ENAs) in order to investigate ring current ions and precipitating ions. We studied the remote sensing method on the neutral particles in the upper atmosphere using ``artificial'' ENA in the laboratory. The measurement scheme is described below. A space-borne plasma generator emits beam ions, which experience charge exchange collision with neighboring neutral particles to transform into artificial ENAs. Once ENAs are produced, they draw ballistic trajectories holding information, such as density and composition. In the upper atmosphere between 200 km and 700 km altitude, the primary constituent is atomic oxygen, to which krypton ion beams are sensitive. Measurement of artificial ENA at a remote region reveals global distribution of the neutral particles with high resolutions in time and space. One of the feasibility studies demonstrated the density measurement of O2 out of the mixture of O2 and N2 using a xenon ion beam in the laboratory.

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