Measuring Chiral Parameters in the Strongly Interacting W system at a Linear Collider

Details Measuring Chiral Parameters in the Strongly Interacting W system at a Linear Collider Measuring Chiral Parameters in the Strongly Interacting W system at a Linear Collider

1996-09-12

arxiv.org/abs/hep-ph/9609334v1

ECONF C960625:STC131,1996

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 4 pages, 4 figures, uses snow2e.cls and snowtimes.sty. Contribution to the proceedings of the 1996 Snowmass Summer Conf

Scientific paper

In the absence of a Higgs particle vector boson scattering amplitudes are generally described by an electroweak chiral Lagrangian below the resonance region. For a Linear Collider with CMS energy $\sqrt{s}=1.6 TeV$ and an integrated luminosity of $200 fb^{-1}$ we estimate the sensitivity on the chiral parameters $\alpha_4$ and $\alpha_5$. We consider the processes $e^+e^-\to W^+W^-\bar\nu\nu$ and $e^+e^- \to ZZ\bar\nu\nu$, performing a complete calculation which includes all relevant Feynman diagrams at tree level, without relying on the Equivalence Theorem or the Effective $W$ Approximation. The dominant backgrounds and $W/Z$ misidentification probabilities are accounted for.

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