CRIT II electric, magnetic, and density measurements within an ionizing neutral stream | Zendy

Swenson C. M. | Zendy; Kelley M. C. | Zendy; Primdahl F. | Zendy; Baker K. D. | Zendy

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CRIT II electric, magnetic, and density measurements within an ionizing neutral stream

Author(s) -

Swenson C. M.,

Kelley M. C.,

Primdahl F.,

Baker K. D.

Publication year - 1990

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/gl017i013p02337

Subject(s) - electric field , physics , plasma , magnetic field , ionizing radiation , atomic physics , drift velocity , electric potential , computational physics , voltage , nuclear physics , irradiation , quantum mechanics

Measurements from rocket borne sensors inside a high velocity neutral barium beam show a factor of six increase in plasma density in a moving ionizing front. This region was co‐located with intense fluctuating electric fields (δE ≈ 300 mV/m) at frequencies well under the lower hybrid frequency for a barium plasma. Large quasi‐DC electric and magnetic field fluctuations were also detected with a large component of the current and the electric field parallel to B o . An Alfvén wave with a finite electric field component parallel to the geomagnetic field was observed to propagate along B o , where it was detected by an instrumented sub‐payload.

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