beta ray

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İngilizce - İngilizce
stream of beta particles (electrons or positrons ejected from an atom's nucleus during radioactive decay)
A stream of beta particles, especially of electrons
beta rays
They consist of negatively charged particles or electrons, apparently the same in kind as those of the cathode rays, but having much higher velocities (about 35,000 to 180,000 miles per second)
beta rays
Penetrating rays readily deflected by a magnetic or electric field, emitted by radioactive substances, as radium
beta ray