canal ray


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canal ray

[kə′nal ‚rā]
(atomic physics)
The name given in early gaseous discharge experiments to the particles passing through a hole or canal in the cathode; the ray comprises positive ions of the gas being used in the discharge.
References in periodicals archive ?
From the forgoing analysis of the direct experimental spectral data of Ives and Stilwell on hydrogen canal rays, and with the elucidation of the underlying mechanism, we conclude without ambiguity that, the spectral emission of a moving hydrogen atom exhibits always a redshift compared to that from an atom at rest; the faster the atom moves, the redder-shift it shows.