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Of, pertaining to, or composed of leptons.

Leptons are involved in several processes such as beta decay.

Of, pertaining to, or composed of leptons.

A muon transmutes into a muon neutrino by emitting a W− boson. The W⁻ boson subsequently decays into an electron and an electron antineutrino.

Of, pertaining to, or composed of leptons.

Left-handed and right-handed helicities