Assertion: muon | /r/CapableOf | decay with average lifetime of 2.2 × 10
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Source sentences:
text: The muon differs from the electron in that it is unstable, decaying with an average lifetime of 2.2 × 10-6 seconds (2.2 microseconds) decaying into an electron, an electron-antineutrino, and a muon-neutrino.