Beta Rays |
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| Beta Radiation; Radiation, Beta; Beta Particle; Beta Radiations; Beta Ray; Cathode Ray; Particle, Beta; Particles, Beta; Radiations, Beta; Ray, Beta; Ray, Cathode; Rays, Beta; Rays, Cathode | |
| A stream of positive or negative electrons ejected with high energy from a disintegrating atomic nucleus; most biomedically used isotopes emit negative particles (electrons or negatrons, rather than positrons). Cathode rays are low-energy negative electrons produced in cathode ray tubes, also called television tubes or oscilloscopes. | |