alpha ray


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Related to alpha ray: beta ray

alpha ray

ionizing radiation consisting of a stream of alpha particles

alpha ray

[′al·fə ‚rā]
(nucleonics)
A stream of alpha particles.
References in periodicals archive ?
Marsden found that some alpha rays were scattered directly backward, even from a thin film of gold.
When a person closes their eyes, the alpha rays increase and the greater amplitude provides enough energy to turn on the light.
These alpha rays can be stopped with a piece of paper.
He called the massive, positively charged radiation alpha rays, and the lighter, negatively charged radiation beta rays, after the first two letters of the Greek alphabet.