In physics, the W and Z bosons are the elementary particles that mediate the weak force. Their discovery at CERN in 1983 has been heralded as a major success for the Standard Model of particle physics.The W particle is named after the weak nuclear force. The Z particle was semi-humorously given its name because it was said to be the last particle to need discovery. Another explanation is that the Z particle derives its name from the fact that it has zero electric charge.
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Two subatomic particles, (W+ and W-), discovered in experiments using powerful particle accelerators (c1983). Together with the electrically neutral Z particle , are the carriers of the electroweak force . See table of fundamental particles.
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