单词 | weak interaction |
释义 | weak interaction in British English or weak force noun 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, weak nuclear force. interaction (sense 2), electroweak interactionweak interaction in American English the short-range interaction between leptons responsible for beta decay and the decay of many long-lived elementary particles see also strong interaction, electromagnetic interaction: also weak force |
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