Tests for a Strong Electroweak Sector at Future e^+e^- High Energy Colliders

Abstract

The study of the scattering at high energy of the gauge bosons W and Z, in particular longitudinally polarized W and Z, can clarify the mechanism of spontaneous symmetry breaking in the Standard Model of the electroweak interactions. Different models of strong electroweak sector, based on the effective lagrangian approach are briefly reviewed. They include models with no resonance, with scalar resonance, additional vector and axial-vector resonances. The effective Lagrangians are derived from the chiral symmetry of the symmetry breaking sector. Limits on these models from existing measurements, mainly LEP and Tevatron, are considered. We study also direct and indirect effects of the new interactions at high energy future e^+e^- linear colliders, through WW scattering and the direct production of these new vector gauge bosons.

74 pages, 19 figures and 4 tables included, Latex, uses epsf, to appear in La Rivista del Nuovo Cimento, some minor changes

References in corpus (1)

• Indirect effects of new resonances at future linear colliders

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• Top-quark couplings to TeV resonances at future lepton colliders
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• Consequences of Partial Vector Meson Dominance for the Phenomenology of Colored Technihadrons
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• Probing strongly interacting W's at the ILC with polarized beams
• Sensitivities on the anomalous quartic $\gamma \gamma \gamma \gamma$ and $\gamma \gamma \gamma Z$ couplings at the CLIC
• The future muon collider for the research of the anomalous neutral quartic $Z\gamma \gamma \gamma$, $ZZ\gamma \gamma$, and $ZZZ\gamma$ couplings