Muon



[myoo-on] /ˈmyu ɒn/

noun, Physics.
1.
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. Symbol: μ.
/ˈmjuːɒn/
noun
1.
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
(my’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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  • Muon-catalysed fusion

    noun 1. (physics) an experimental form of nuclear fusion in which hydrogen and deuterium muonic atoms are formed. Because the mass of the muon is much larger than that of the electron, the atoms are smaller, and the nuclei are close enough for fusion to occur

  • Muonic atom

    noun 1. (physics) an atom in which an orbiting electron has been replaced by a muon



  • Muonium

    [myoo-oh-nee-uh m] /myuˈoʊ ni əm/ noun, Physics. 1. an electron and a positively charged muon bound together by electrical attraction in the same manner as the electron and proton in a hydrogen atom.

  • Muon-neutrino

    [myoo-on-noo-tree-noh, -nyoo-] /ˈmyu ɒn nuˌtri noʊ, -nyu-/ noun, plural muon-neutrinos. Physics. 1. a type of neutrino that obeys a conservation law together with the muon, with the total number of muons and muon-neutrinos minus the total number of their antiparticles remaining constant.



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