from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun physics a fundamental particle, a gauge boson, that, together with the W-boson, mediates the weak nuclear force; it has a charge of 0


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  • This mixing angle has been measured extremely precisely at energies corresponding to the Z-boson resonance, but a full test of our Standard Model requires precision measurements of this quantity at different energies as well.

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