alpha particle

(redirected from Alpha rays)
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  • noun

Words related to alpha particle

a positively charged particle that is the nucleus of the helium atom

References in periodicals archive ?
When the radioactive elements uranium or thorium break down, they emit alpha rays, which are helium nuclei.
Nuke this right-wing mish-mash with reactionary alpha rays until just before Election Day.
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.
The main reason for this misconception is that I emit alpha rays. 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.