Radiobiology > Physical Processes > Quanta > Beta Particles

Energetic Quanta: Beta Particles

Beta Particles...

  • Are smaller (1/2000 the size of proton) and less energetic than alpha particles
  • Have negative charge
  • Are created when a neutron transmutates into a proton
  • Are emitted during decay of iodine-131, phosphorus-32, carbon-14, and strontium-90

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