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beta decay

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Definition of beta decay in English:

noun

[mass noun]
Radioactive decay in which an electron is emitted.
Example sentences
  • Some atoms can undergo radioactive beta decay, in which a neutron decays into a proton, an electron and an electron-antineutrino via the weak nuclear force.
  • There are various mechanisms and forms of beta decay (e.g., negative beta decay, neutron beta decay, double beta decay, inverse beta decay, etc.).
  • Physicists originally had a lot of trouble reconciling relativistic quantum field theory with the weak interaction that is responsible, for example, for what is called beta decay of neutron into proton, electron and neutrino.

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