Properties of the Buffer Zone Observed in a Plasma Accelerator

The light emision and the kinetic pressure observed as a particle moves along the bore of a plasma accelerator, implies that the buffer region at the rear of the projectile is warm and weakly ionized. This observation supports the fact that the rear of the projectile shows very little ablation. Deta...

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Bibliographic Details
Main Authors: Clothiaux, E.J., Thomas, K.A., Cobb, K.K.
Format: Conference Proceeding
Language:English
Subjects:
Acceleration
Physics
Plasma accelerators
Plasma density
Plasma devices
Plasma diagnostics
Plasma materials processing
Plasma properties
Plasma sources
Plasma temperature
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Summary:The light emision and the kinetic pressure observed as a particle moves along the bore of a plasma accelerator, implies that the buffer region at the rear of the projectile is warm and weakly ionized. This observation supports the fact that the rear of the projectile shows very little ablation. Detailed analysis of B arm probes provides information about the velocity and the acceleration of the plasma arc, and the position versus time of the accelerated particle is obtained from magnets embedded in the particle. Preliminary results indicate a total pressure balance between the magnetic pressure and the kinetic pressure in the buffer region.
DOI:10.1109/PLASMA.1991.695699