Plasma Propagation into Low-Pressure Gas and Plasma in a Magnetic Field.
Abstract
The propagation of plasma into an ambient gas at low pressure in the presence of an external electric field was investigated experimentally and theoretically. The important feature is the slow speed of plasma expansion which is of interest in the problem of plasma containment. A possible connection with space physics was sought but not found. The positive column of an arc discharge with and without an external magnetic field was investigated spectroscopically using the singlet-triplet ratio method in helium. Analysis of results showed that the electron-velocity distribution function was not Maxwellian near the wall of the discharge tube. Transfer of the uniform column to the helical form at the critical value of the magnetic field was demonstrated without perturbing the plasma in any way. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Aug 31, 1970
- Accession Number
- AD0719885
Entities
People
- A. S. Kaufman
Organizations
- Hebrew University of Jerusalem