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Z Boson

The Standard Model of Elementary Particles

Definition: The Z boson is a type of fundamental particle that, along with the W boson, mediates the weak nuclear force. It is a called a boson because it has a quantum spin with an integer value. The Z boson has the following properties:
  • 0 electrical charge; it is electrically neutral
  • The anti-particle of a Z boson is another Z boson.
  • Mass = 91.1876 GeV/c2
  • Particle spin = 1
The Z boson was discovered in 1983, earning the 1984 Nobel Prize in Physics for Simon van der Meer and Carlo Rubbia.
Also Known As: Z0 boson

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