The Z boson, discovered in 1985, is the mediator of
Chapter 38, Problem 38.46(choose chapter or problem)
The Z boson, discovered in 1985, is the mediator of theweak nuclear force, and it typically decays very quickly. Itsaverage rest energy is 91.19 GeV, but its short lifetime showsup as an intrinsic width of 2.5 GeV. What is the lifetime ofthis particle?
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