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  • 游凱復
    游凱復 2018/02/27 12:21

    Flavour in
    particle physics
    Flavour quantum numbers

    Isospin: I or I3
    Charm: C
    Strangeness: S
    Topness: T
    Bottomness: B′

    Related quantum numbers

    Baryon number: B
    Lepton number: L
    Weak isospin: T or T3
    Electric charge: Q
    X-charge: X

    Combinations

    Hypercharge: Y
    Y = (B + S + C + B′ + T)
    Y = 2 (Q − I3)
    Weak hypercharge: YW
    YW = 2 (Q − T3)
    X + 2YW = 5 (B − L)

    Flavour mixing

    CKM matrix
    PMNS matrix
    Flavour complementarity

    v t e

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