Limits on Anomalous WWgamma and WWZ Couplings from WW/WZ->enujj Production

Details Limits on Anomalous WWgamma and WWZ Couplings from WW/WZ->enujj Production Limits on Anomalous WWgamma and WWZ Couplings from WW/WZ->enujj Production

1999-12-14

arxiv.org/abs/hep-ex/9912033v2

Phys.Rev.D62:052005,2000

Physics

High Energy Physics

High Energy Physics - Experiment

37 pages, 13 figures, submitted to Phys. Rev. D

Scientific paper

10.1103/PhysRevD.62.052005

Limits on anomalous WWgamma and WWZ couplings are presented from a study of WW/WZ->enujj events in ppbar collisions at sqrt{s}=1.8 TeV. Results from the analysis of data collected using the D0 detector during the 1993-1995 Tevatron collider run at Fermilab are combined with those of an earlier study from the 1992-1993 run. A fit to the transverse momentum spectrum of the W boson yields direct limits on anomalous WWgamma and WWZ couplings. With the assumption that the WWgamma and WWZ couplings are equal, we obtain -0.34< lambda < 0.36 (with Delta kappa=0) and -0.43< Delta kappa < 0.59 (with lambda=0) at the 95 confidence level for a form-factor scale Lambda=2.0 TeV.

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