Measurement ofW andZ production cross sections at the CERN $$\bar p$$ p collider

Bar (unit)
DOI: 10.1007/bf01551906 Publication Date: 2005-04-20T18:54:17Z
ABSTRACT
Results on the production cross sections ofW andZ bosons detected in the UA2 experiment are given based on a large sample ofW→eν andZ→e + e − decays. The measured cross sections are σ = 660±15(stat)±37(syst)pb, σ = 70.4±5.5(stat)±4.0(syst)pb and their ratioR=9.38 −0.72 +0.82 (stat)±0.25(syst). In the framework of the Standard Model, the measured value ofR is used to determine the total width of theW, Γ(W)=2.30±0.19(stat)±0.06(syst) GeV.
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