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weak interaction
(redirected from Weak nuclear interaction)

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
weak interaction
n.
A fundamental interaction between elementary particles that is several orders of magnitude weaker than the electromagnetic interaction and is responsible for some particle decay, nuclear beta decay, and neutrino absorption and emission. Also called weak force.

weak interaction, force
n
(Physics / General Physics) Physics an interaction between elementary particles that is responsible for certain decay processes, operates at distances less than about 10-15 metres, and is 1012 times weaker than the strong interaction. The weak interaction and electromagnetic interactions are now described by the unifying electroweak theory Also called weak nuclear interaction, force See interaction [2] electroweak interaction

weak interaction
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.weak interaction - (physics) an interaction between elementary particles involving neutrinos or antineutrinos that is responsible for certain kinds of radioactive decay; mediated by intermediate vector bosons
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
fundamental interaction, interaction - (physics) the transfer of energy between elementary particles or between an elementary particle and a field or between fields; mediated by gauge bosons


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Therefore, the size of the PV spin rotation is a direct measure of the strength of the weak nuclear interaction.
Those disturbing fragments of data prompted an intensive, four-year quest for evidence of a new force of nature to join the four types already known: gravity, electromagnetism, and the strong and weak nuclear interactions.
Electrons in atoms "feel" not only the electromagnetic force between an electron and a positively charged nucleus, but also the much smaller influence due to the weak nuclear interaction.
 
 
 
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