Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-05-13
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages, Latex, uses epsf, one eps figure. Contribution to the 32nd Rencontres de Moriond ``Electroweak Interactions and Unifi
Scientific paper
The low energy dynamics of the general strongly interacting symmetry breaking sector can be easily described using effective chiral Lagrangians. Indeed, the enhancement in WW scattering at LHC, that would imply the existence of such an strong interaction, can be described with just two chiral parameters. These techniques have been shown to reproduce remarkably well the low-energy pion-pion scattering data, which follows a similar formalism. In this work we first review the LHC sensitivity to those two chiral parameters (in the hardest case of non-resonant low-energy WW scattering). Later it is shown how we can predict the general resonance spectrum of the strongly interacting symmetry breaking sector. For that purpose, we use the inverse amplitude method which is also very successful reproducing the lightest hadronic resonances from data in the low-energy non resonant region. We thus present an study of the regions in parameter space where one, two or no resonances may appear.
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