Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-08-16
Physics
High Energy Physics
High Energy Physics - Phenomenology
talk presented at LCWS05, Stanford, USA, March 2005
Scientific paper
If no light Higgs boson exist, the interaction among the gauge bosons becomes strong at high energies (~1TeV). The effects of strong electroweak symmetry breaking (SEWSB) could manifest themselves as anomalous couplings before they give rise to new physical states, thus measurement of all couplings and their possible deviation from Standard Model (SM) values could give valuable information for understanding the true nature of symmetry breaking sector. Here we present a detailed study of the measurement of quartic gauge couplings in weak boson scattering processes and a possibility for same measurement in triple weak boson production. Expected limits on the parameters alpha_4 alpha_5,alpha_6, alpha_7 and alpha_10 in electroweak chiral Lagrangian are given.
Beyer Michael
Krstonosic P.
Moenig Klaus
Schmidt Eduard
Schroeder Herbert
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