Off-Shell Scattering Amplitudes for WW Scattering and the Role of the Photon Pole
Abstract
We derive analytic expressions for high energy 2 2 off-shell scattering amplitudes of weak vector bosons. They are obtained from six fermion final states in processes of the type e+ e- e + (WW) + e e + (l)(l) + e. As an application we reconsider the unitarity bounds on the Higgs mass. Particular attention is given to the role of the photon exchange which has not been considered in earlier investigations; we find that the photon weakens the bound of the Higgs mass.
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