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C and P parity of gauge bosons - what are the values?

  1. Mar 25, 2009 #1
    Can somebody explain the parities of photons, W, Z and gluons?

    QFT says that bosons and antibosons have the same P parity.
    But the P parity of the gauge bosons is rarely given.
    Sometimes photons are said to have negative parity, while other say this
    is only the case for electric dipole transitions.
    For W and Z, it is sometimes written that they have no P
    parity because of the P violation of the weak interaction.
    Is that correct?
    In short, I am confused: what are the P parties of the
    gauge bosons?

    C parity exists only for neutral particles. Thus it can be
    defined at most for the photon, the Z and the gluons.
    Do they have a C parity? Does it make sense for them at all?

    Thanks for any help!

  2. jcsd
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