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单词 lepton number
释义

WordReference Random House Unabridged Dictionary of American English © 2024
lepton num′ber, [Physics.]
  1. Physicsin a process involving elementary particles, the total number of leptons minus the total number of antileptons.
  • 1955–60

Collins Concise English Dictionary © HarperCollins Publishers::
lepton number n
  1. a quantum number describing the behaviour of elementary particles, equal to the number of leptons present minus the number of antileptons. It is thought to be conserved in all processes
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