The hot plasma environment and floating potentials of an electron-beam-emitting rocket in the ionosphere

Details The hot plasma environment and floating potentials of an electron-beam-emitting rocket in the ionosphere The hot plasma environment and floating potentials of an electron-beam-emitting rocket in the ionosphere

Feb 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981jgr....86..575a&link_type=abstract

Journal of Geophysical Research, vol. 86, Feb. 1, 1981, p. 575-584.

Computer Science

Sound

23

Beam Injection, Electron Beams, High Temperature Plasmas, Ionospheric Sounding, Rocket Sounding, Space Plasmas, Beam Plasma Amplifiers, Distribution Functions, Electric Discharges, Electron Guns, Energy Spectra, Ion Temperature, Ionospheric Electron Density

Scientific paper

The plasma environment surrounding the Echo III accelerator payload is examined with an extensive array of particle sensors. Suprathermal electrons are produced isotropically around the payload during the gun firings and decay away in approximately 32 ms. The largest directional intensities of this component are observed at the higher altitudes. Quick echo electrons are also observed to produce suprathermal electrons when they encounter the payload. The hot electrons surrounding the accelerator payload during gun injections bring sufficient charge to the payload to neutralize it provided the loss of charge by secondary production on the payload skin is small. Since the hot population exists for tens of milliseconds after the gun turnoff, it results in driving the payload up to 4 volts negative during this time. Quick echo electrons creating suprathermal electrons around the payload also drive the payload to a few volts negative.

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