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A New Method of Determining e/m for Medium High Velocities

Abstract

CONSIDER the motion of an electron moving in an electric field between two charged co-axial cylinders. If the electrons are emitted from S (Fig. 1) with velocity ν, they can be refocused at a point S′ on the circle r0 if

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AHARONI, J. A New Method of Determining e/m for Medium High Velocities. Nature 144, 203–204 (1939). https://doi.org/10.1038/144203a0

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