Limits on Anomalous WWgamma and WWZ Couplings from WW/WZ->enujj Production release_iywp73xyhjaibanq64ruzh6m2u

by D0 collaboration: B. Abbott, M. Abolins

Released as a report .

1999  

Abstract

Limits on anomalous WWgamma and WWZ couplings are presented from a study of WW/WZ->enujj events in ppbar collisions at sqrts=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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Type  report
Stage   submitted
Date   1999-12-14
Version   v1
Language   en ?
Number  FERMILAB-Pub-99-364-E
arXiv  hep-ex/9912033v1
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