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weak interaction

Line breaks: weak inter|action

Definition of weak interaction in English:

noun

Physics
Interaction at short distances between subatomic particles mediated by the weak force.
Example sentences
  • They are the electromagnetic interaction, the weak interaction and the strong interaction.
  • The currently accepted and experimentally well-tested theory of electromagnetic and weak interactions is called the Standard Model.
  • 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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