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A MEASUREMENT OF Rμ = σ(W → μv)/σ(Z^0→ μ^+ μ^-) IN PP ̅ COLLISIONS AT √S = 1.8 TEV

Swartz, Raymond Lee2011

… the ratio of W and Z production cross sections times branching ratios yields Rμ = σ(W → μv)/σ(Z^0→ μ^+ μ^-) = 9.8 ± 1.1(stat) ± 0.4(syst), where the statistics of the Z sample is the dominant uncertainty. The individual cross sections times branching ratios are σ(pp ̅ → W → μv) = 2.21 ± …

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