Measurement of charged current triple gauge boson couplings using $W$ pairs at LEP

Triple gauge boson couplings are measured from W-pair and single photon events recorded by the OPAL detector at LEP at center-of-mass energies between 183 - 209 GeV with a total integrated luminosity of 680 inverse picobarns. Only CP-conserving couplings are considered and SU(2)xU(1) relations between the WWZ and the WWgamma couolings are used, resulting in four independent couplings. Each coupling is determined in a separate fit, assuming the other couplings to take their Standard Model values. Fits are also done allowing some of the couplings to vary simultaneously. The results are compared with the Standard Model predictions.

Note:

27 pages, 6 figures, Submitted to Eur. Phys. J. C Report-no: CERN-EP/2003-042

electron positron: colliding beams
electron positron: annihilation
W: pair production
coupling: (3gauge boson)
invariance: CP
electroweak interaction: validity test
W: leptonic decay
W: hadronic decay
angular distribution
OPAL

References(68)

Figures(0)

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Measurement of charged current triple gauge boson couplings using WWW pairs at LEP

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Measurement of charged current triple gauge boson couplings using $W$ pairs at LEP