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Collective acceleration of protons in relativistic electron beam propagation in evacuated drift tubes

Journal Article · · Phys. Fluids; (United States)
DOI:https://doi.org/10.1063/1.863374· OSTI ID:6640387
The results are presented of a series of experiments investigating the mechanisms leading to the collective acceleration of protons occurring in electron beam propagation through evacuated drift tubes. Detailed measurements have been made of the electron and ion beam propagation and of the ion energy spectra. The results show that the acceleration cannot occur as a result of a beam head or deep potential well mechanism. It seems likely that the acceleration is due to the self-excitation of a wave on the beam, possibly the electron-ion two-stream instability.
Research Organization:
Laboratory of Plasma Studies and School of Electrical Engineering, Cornell University, Ithaca, New York 14853
OSTI ID:
6640387
Journal Information:
Phys. Fluids; (United States), Journal Name: Phys. Fluids; (United States) Vol. 24:2; ISSN PFLDA
Country of Publication:
United States
Language:
English