Limits on Anomalous WWgamma and WWZ Couplings from WW/WZ->enujj
Production
release_iywp73xyhjaibanq64ruzh6m2u
by
D0 collaboration: B. Abbott,
M. Abolins
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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