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Leptons
- They have the spin quantum number of 1/2
- They don't have Color Charge
- They have integer electric charges
- They participate in weak interactions
Three generations (+1 and 0 electric charges respectively)
- Electron and Electron Neutrino
- Muon and Muon Neutrino
- Tau and Tau Neutrino
and their respective anti-particles. Anti-leptons have the same mass, mean lifetime and spin, but opposite electric charges.
- An antielectron is also called a positron.
There are 6 distinct types of leptons, and together with their anti-particle variants, there are 12 types of leptons.