Measurement of the W ->tau nu production cross section in p(p)over-bar collisions at root s=1.8 TeV
Baringer, Philip S.
AMERICAN PHYSICAL SOC
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of data collected with the DO detector during 1993-1995. We find that a(p (p) over bar --> W + X)B(W --> tau nu) = 2.22 +/- 0.09 (stat) +/- 0.10 (syst) +/- 0.10 (lum) nb. Lepton universality predicts that the ratio of the tau and electron electroweak charged current couplings to the W boson, g(T)(W)/g(e)(W), be unity. We find g(T)(W)/g(e)(W) = 0.980 +/- 0.031, in agreement with lepton universality.
Abbott, B; Abolins, M, et al. Measurement of the W ->tau nu production cross section in p(p)over-bar collisions at root s=1.8 TeV. PHYSICAL REVIEW LETTERS. June 2000. 84(25) 5710-5715
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