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in creator/contributor: "Briggs, R."

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Stable propagation of a high-current electron beam: experimental observations and computational modeling

Experimental studies of self-focused, high-current electron-beam propagation phenomena are compared with the results of computational modeling. The model includes the radial structure of the beam-plasma system, a full electromagnetic field description, primary and secondary gas ionization processes, and a linear theory of the hose-like distortions. Good agreement between the experimental results and the computations strengthens the premise that hose instability is the principal limitation to pr… more

Date: August 1, 1977

Creator: Briggs, R.; Clark, J.; Fessenden, T.; Lee, E. & Lauer, E.

Item Type: Report

Partner: UNT Libraries Government Documents Department

open access

Experimental test accelerator: description and results of initial experiments

The ETA is a high current (10,000 Amp) linear induction accelerator that produces short (30 ns) pulses of electrons at 5 MeV twice per second or in bursts of 5 pulses separated by as little as one millisecond. At this time the machine has operated at 65% of its design current and 90% of the design voltage. This report contains a description of the accelerator and its diagnostics; the results of the initial year of operation; a comparison of design codes with experiments on beam transport; and a… more

Date: June 2, 1980

Creator: Fessenden, T.; Birx, D. & Briggs, R.