Limits on $W W Z$ and $W W \gamma$ couplings from $W W$ and $W Z$ production in $p \bar{p}$ collisions at $\sqrt{s} = 1.8$ TeV

Abe, F.; Albrow, M.G.; Amendolia, S.R.; Amidei, D.; Antos, J.; Anway-Wiese, C.; Apollinari, G.; Areti, H.; Atac, M.; Auchincloss, P.

doi:10.1103/PhysRevLett.75.1017

Limits on $W W Z$ and $W W \gamma$ couplings from $W W$ and $W Z$ production in $p \bar{p}$ collisions at $\sqrt{s} = 1.8$ TeV

CDF

Collaboration

Mar, 1995

16 pages

Published in:

Phys.Rev.Lett. 75 (1995) 1017-1022

e-Print:

hep-ex/9503009 [hep-ex]

DOI:

10.1103/PhysRevLett.75.1017

Report number:

CDF-ANAL-ELECTROWEAK-CDFR-2951,
FERMILAB-PUB-95-036-E,
ANL-HEP-PR-96-17

Experiments:

FNAL-E-0741

View in:

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Abstract: (arXiv)

Direct limits are set on

WWZ

and

WW\gamma

three-boson couplings in a search for

WW

and

WZ

production with high transverse momentum in

p\overline{p}

collisions at

\sqrt{s} = 1.8

TeV, using the Collider Detector at Fermilab. The results are in agreement with the SU(2)

\times

U(1) model of electroweak interactions. Assuming Standard Model

WW\gamma

coupling, the the limits are interpreted as direct evidence for a non-zero

WWZ

coupling at subprocess energies near 500 GeV. Alternatively, assumiong identical

WWZ

and

WW\gamma

couplings, bounds -0.11 < \kappa < 2.27 and -0.81 < \lambda < 0.84 are obtained at

95\%

CL for a form factor scale 1000 GeV.

Note:

16 pages, submitted to PRL, URL: http://www-cdf.fnal.gov/physics/pub95/cdf2951_vvprl.ps

anti-p p: colliding beams
colliding beams: anti-p p
anti-p p: inclusive reaction
W: hadroproduction
hadroproduction: W
Z0: hadroproduction
hadroproduction: Z0
intermediate boson: pair production
pair production: intermediate boson
intermediate boson: leptonic decay

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