Limits on anomalous $W W \gamma$ and $W W Z$ couplings from $W W / W Z \to e \nu j j$ production - INSPIRE

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Limits on anomalous $W W \gamma$ and $W W Z$ couplings from $W W / W Z \to e \nu j j$ production

D0

Collaboration

Dec, 1999

37 pages

Published in:

Phys.Rev.D 62 (2000) 052005

e-Print:

hep-ex/9912033 [hep-ex]

DOI:

10.1103/PhysRevD.62.052005

Report number:

FERMILAB-PUB-99-364-E

Experiments:

FNAL-E-0740

View in:

ADS Abstract Service

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Abstract:

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.

Note:

37 pages, 13 figures, submitted to Phys. Rev. D Report-no: FERMILAB-Pub-99-364-E

D0
anti-p p: colliding beams
final state: (2jet electron neutrino)
W: hadroproduction
Z0: hadroproduction
intermediate boson: pair production
intermediate boson: hadronic decay
W: leptonic decay
coupling: (2W photon)
coupling: (Z0 2W)

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Figures(0)

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