$WW$ resonance and chiral Lagrangian

Details $WW$ resonance and chiral Lagrangian $WW$ resonance and chiral Lagrangian

1996-01-24

arxiv.org/abs/hep-ph/9601318v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, LaTeX with psfig.sty, Talk presented by M. Tanabashi at the Workshop on Physics and Experiments with Linear Collider,

Scientific paper

We discuss the sensitivity of the $e^+ e^- \rightarrow W^+ W^-$ cross section at a future $e^+ e^-$ collider with $\sqrt{s}=500$GeV to the non-decoupling effects of a techni-$\rho$ like vector resonance. The non-decoupling effects are parametrized by the chiral coefficients of the electroweak chiral perturbation theory. We define renormalization scale independent chiral coefficients by subtracting the Standard Model loop contributions. We also estimate the size of the decoupling effects of the techni-$\rho$ resonance by using a phenomenological Lagrangian including the vector resonance.

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