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

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

2003-08-27

arxiv.org/abs/hep-ex/0308067v1

Eur.Phys.J.C33:463-476,2004

Physics

High Energy Physics

High Energy Physics - Experiment

27 pages, 6 figures, Submitted to Eur. Phys. J. C

Scientific paper

10.1140/epjc/s2003-01524-6

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.

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