beta ray


Also found in: Dictionary, Thesaurus, Medical, Financial, Wikipedia.
Related to beta ray: alpha ray

beta ray

[′bād·ə ‚rā]
(nuclear physics)
A stream of beta particles.
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.
The beta rays emitted from the CU-67 can isolate and attack tumors on a very deep level.
The liquid was tainted with 80 million Bq per liter of radioactive material emitting beta rays.
After decay the nucleus does not always go to its ground state or least-energy state, and this can have an effect on the energy spectrum of the beta rays that is similar to the effect a small neutrino mass would have.
85 million becquerels of radioactive substances emitting beta rays, such as strontium-90, have been discharged.
said it detected in the leaked water radioactive substances emitting beta rays, with an extremely high reading of 80 million becquerels per liter, the utility said.