Measurements of Vacuum Ultraviolet Radiation, Neutrons, and Ions from the Interaction of an Intense Relativistic Electron Beam and a Deuterated Polyethylene Target.

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Abstract:

The interaction of a tightly pinched relativistic electron beam from a Bennett cathode and a deuterated polyethelene target has been studied using diagnostics sensitive to vacum ultraviolet and neutron radiation. Target plasmas produced by three electron accelerators were analyzed. X-ray pinhole camera photographs indicated plasma sources equal to or less than 75 micrometers in diameter. Maximum plasma temperatures of 50 ev were detected and conversion efficiencies of approximately 0.1 from electron beam energy to X-ray radiation were measured. Neutron production was attributed to the beam-target mechanism resulting from the acceleration of up to 10 to the 14th power ionsstr-MeV across the anodecathode gap. Author

Author(s):
Kerns, John R. ; Johnson, David J.
Author Organization(s):
AIR FORCE WEAPONS LAB KIRTLAND AFB N MEX
Descriptive Note:
Final rept.,
Pagination:
0032

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
AFWL-TR-75-250
Task Number(s):
880917
Project Number(s):
AF-8809
 Subject Terms
Communities of Interest:
Energy and Power Technologies
Descriptor(s):
*ELECTRON BEAMS, *PLASMA DIAGNOSTICS, *DEUTERIUM COMPOUNDS, *THERMONUCLEAR REACTIONS, IONS, TEMPERATURE, VACUUM ULTRAVIOLET RADIATION, PINCH EFFECT, POLYETHYLENE, RELATIVITY THEORY, X RAY FLASH, NEUTRON FLUX, NEUTRON DETECTORS, CONVERSION RATIO
Field(s)/Group(s):
Fusion Devices (Thermonuclear), Particle Accelerators, Plasma Physics and Magnetohydrodynamics
Keyword(s):
*Relativistic beams, *Deuterated targets, *Neutron production, Bennett cathodes, Plasma sources, Faraday cups, Pinhole cameras, Pulsed accelerators, Thermonuclear temperatures
Report Date:
1976 Mar 01