$ZZγ$ and $Zγγ$ couplings in $γe$ collision with polarized beams

Details $ZZγ$ and $Zγγ$ couplings in $γe$ collision with polarized beams $ZZγ$ and $Zγγ$ couplings in $γe$ collision with polarized beams

2003-10-03

arxiv.org/abs/hep-ph/0310047v1

Phys.Rev. D68 (2003) 093014

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 8 EPS figures

Scientific paper

10.1103/PhysRevD.68.093014

The potential of $\gamma$e mode of linear $e^{+}e^{-}$ collider to probe $ZZ\gamma$ and $Z\gamma\gamma$ vertices is investigated through the Z boson production from the procees $\gamma e\to Z e$. Considering the longitudinal and transverse polarization states of the Z boson and incoming polarized beams we find the 95% C.L. limits on the form factors $h_{3}^{Z}$, $h_{4}^{Z}$, $h_{3}^{\gamma}$ and $h_{4}^{\gamma}$ with integrated luminosity 500$fb^{-1}$ and $\sqrt{s}=$0.5, 1, 1.5 TeV energies. It is shown that the polarization can improve sensitivities by factors 2-3 depending on the energy.

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