| 摘要 |
An electron accelerator having a first source emitting an electron beam to be accelerated, and a coaxial cavity defined by an outer cylindrical conductor and an inner cylindrical conductor lying on a single axis and joined by two flanges, wherein the electron beam is injected in the mid-plane which is perpendicular to the axis along a first diameter of the outer conductor. The accelerator is characterized in that it comprises a second source emitting an electron beam which decelerates as it passes through the coaxial cavity, wherebythe electromagnetic field required to accelerate the electron beam from the first source is produced.
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