Polarization effects on W boson pair productions with the extra neutral gauge boson at the e^+ e^- Linear Collider

Details Polarization effects on W boson pair productions with the extra neutral gauge boson at the e^+ e^- Linear Collider Polarization effects on W boson pair productions with the extra neutral gauge boson at the e^+ e^- Linear Collider

1999-05-15

arxiv.org/abs/hep-ph/9905353v1

J.Korean Phys.Soc.36:258-264,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages, 8 figures, ReVTeX

Scientific paper

We perform the comprehensive analysis of the polarization effects on the e^+e^- -> W^+W^- process in the presence of the extra neutral gauge boson at the LC energies. Consideration of the polarizations of the produced W bosons and the beam polarizations provides substantial enhancements of the sensitivity to the Z-Z' mixing angles in various models and the asymmetry variables also give the strict constraints on the mixing angles. We find that the \chi-model and the left-right model get the strict constraint from \sigma_{LL}^{unpol} while the \psi-model and the \eta-model from the beam polarization asymmetry.

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