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Six flavours of leptons |
Flavour in particle physics |
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Flavour quantum numbers |
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Related quantum numbers |
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Combinations |
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Flavour mixing |
In particle physics, flavour or flavor refers to the species of an elementary particle. The Standard Model counts six flavours of quarks and six flavours of leptons. They are conventionally parameterized with flavour quantum numbers that are assigned to all subatomic particles. They can also be described by some of the family symmetries proposed for the quark-lepton generations.