beta rays


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Related to beta rays: Alpha rays

beta rays

a stream of beta particles, as emitted from atoms of disintegrating radioactive elements. Normally, the element is a nuclide with a high ratio of neutrons to protons.
References in periodicals archive ?
Beta rays come from an e-beam generator, which provides the same features as gamma radiation but with reduced penetrating power.
Immediately after the procedure, researchers randomly assigned patients to receive one of four different doses of radioactive yttrium-90 -- which emits beta rays -- within their arteries.
The beta rays emitted from the CU-67 can isolate and attack tumors on a very deep level.
85 million becquerels of radioactive substances emitting beta rays, such as strontium-90, have been discharged.
The company criticised media reports that radiation levels in the tanks were high enough to kill someone in hours if exposed, and said that they mostly gave off beta rays which could be safely deflected, not the more dangerous gamma rays.
35 billion becquerels of cesium and 750 million becquerels of other, unnamed radioactive substances, including strontium, that emit beta rays, the Japan Times reports.