Scattered hard X-ray and γ -ray generation from a chromatic electron beam

An array of photon diagnostics has been deployed on a high power relativistic electron beam diode. Electrons are extracted through a 17.8 cm diode from the surface discharge of a carbon fiber velvet cathode with a nominal diode voltage of 3.8 MV. V4 and detected photon counts of nearly 106 at a radi...

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Bibliographic Details
Published in:Journal of applied physics 2015-11, Vol.118 (18)
Main Authors: Coleman, J. E., Welch, D. R., Miller, C. L.
Format: Article
Language:English
Subjects:
Applied physics
Bremsstrahlung
Carbon fibers
Composite materials
Dependence
Diodes
Electric potential
Electron beams
Food irradiation
Gamma rays
Geometrical optics
Hard X-rays
Optical devices
Photomultiplier tubes
Photomultipliers
Photons
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
PIN diode
PIN diodes
Relativistic electron beams
X-ray imaging
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Description
Summary:An array of photon diagnostics has been deployed on a high power relativistic electron beam diode. Electrons are extracted through a 17.8 cm diode from the surface discharge of a carbon fiber velvet cathode with a nominal diode voltage of 3.8 MV. V4 and detected photon counts of nearly 106 at a radial distance of 1 m which corresponds to dose ∼40 μrad at 1 m.
ISSN:0021-8979
1089-7550
DOI:10.1063/1.4935480