Anomalous quartic couplings in W+W- γ production at e+e- colliders
Abstract
We study the process e+e- → W+W- γ at high-energy e+ e- colliders to investigate the effect of genuine quartic W+W-γγ and W+W- Zγ anomalous couplings on the cross section. Deviations from the Standard Model predictions are quantified. We show how bounds on the anomalous couplings can be improved by choosing specific initial state helicity combinations. The dependence of the anomalous contributions on the collider energy is studied.
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