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muon
[ myoo-on ]
noun
, Physics.
- a lepton similar in most respects to the electron except that it is unstable, it may be positively charged, and its mass is approximately 207 times greater; the positively charged muon is the antiparticle of the negatively charged muon. : μ
muon
/ ˈmjuːɒn; mjuːˈɒnɪk /
noun
- a positive or negative elementary particle with a mass 207 times that of an electron and spin 1 2 . It was originally called the mu meson but is now classified as a lepton
muon
/ myo̅o̅′ŏn′ /
- An elementary particle in the lepton family having a mass 209 times that of the electron, a negative electric charge, and a mean lifetime of 2.2 × 10 -6 seconds. The muon was originally called the mu-meson and was once thought to be a meson.
- See Table at subatomic particle
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Derived Forms
- muonic, adjective
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Other Words From
- mu·onic adjective
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Word History and Origins
Origin of muon1
C20: short for mu meson
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Example Sentences
The behavior of the muon is well understood, but its role as one of the elementary particles is unknown.
From Project Gutenberg
The muon is unstable, eventually undergoing a radioactive decay into an electron.
From Project Gutenberg
Although the muon does not experience nuclear forces, it can interact weakly with nuclei.
From Project Gutenberg
That is, if the muon did not exist, what effect would this have on the structure of matter?
From Project Gutenberg
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