Are muons charged?

Yes — muons are electrically charged particles.

A muon is similar to an electron but much heavier (about 207 times the electron’s mass). There are two types:

  • The negative muon: mu-
    • Charge = -1e (same as an electron)
  • The positive muon (antimuon): mu+
    • Charge = +1e

The elementary charge magnitude is:

e = 1.602 x 10^-19 C

Because muons are charged, they:

  • bend in magnetic fields,
  • ionize matter as they pass through it,
  • leave tracks in cloud chambers and particle detectors.

Cosmic-ray muons constantly pass through us and even through buildings and rock, which is why they’re useful in muon tomography and particle physics experiments.

By Admin

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