muon

Meanings

1. 1
   noun

   an unstable elementary lepton with about 207 times the electron's mass; the negative muon has the electron's charge, and its antiparticle is the positive antimuon

   A charged pion can decay into a muon and a neutrino.

Common collocations

• negative muon Adjective + noun

A contraction of the earlier name mu-meson. Mu is the name of the Greek letter used in the symbol for the particle. The shorter name was adopted after the particle was recognized as a lepton rather than a meson.

Topics

External links

• Cambridge Dictionary
• Wiktionary
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