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单词 muon
释义
mu·on (myŏn)
n.
The negatively charged lepton that belongs to the second generation of elementary fermions and has a mass 207 times that of an electron and a mean lifetime of 2.2 × 10-6 second. Also called mu lepton.

[Earlier MU MESON (from the use of the Greek letter mu, the equivalent of the Roman letter m of MESON, to distinguish it from other mesons subsequently discovered, the class of particles to which it was formerly thought to belong).]

mu·onic adj.
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更新时间:2025/1/7 10:54:52