Measurement of the WW-Gamma Vertex Through Single Photon Production at e^+ e^- Colliders

Abstract

We perform a detailed study of the process $e^{+}{e}^{-}\to \gamma {\nu }_l{\bar{\nu }}_l$ and its sensitivity to anomalous gauge boson couplings of the $\gamma WW$ vertex. We concentrate on LEP II energies, $\sqrt{s}=200$ GeV, and energies appropria- te to the proposed Next Linear Collider (NLC) high energy $e^{+}{e}^{-}$ collider with c.m. energies of 500 GeV and 1 TeV. At 200 GeV, the process offers, at best, a consistency check of other processes being considered at LEP-200. At 500 GeV, the parameters ${\kappa }_{\gamma }$ and ${\lambda }_{\gamma }$ can be measured to about $\pm 0.05$ and $\pm 0.1$ respectively at 95\% C.L. while at 1 TeV, they can be measured to about $\pm 0.02$. At the high luminosities anticipa- ted at high energy linear colliders precision measurements are likely to be limited by systematic rather than statistical errors.

14 pages with 8 figures (available on request), preprint # OCIP/C 94-4, UQAM-PHE-94-09

References in corpus (2)

• Model-Independent Global Constraints on New Physics
• A Phenomenological Study of the Process $e^{+}{e}^{-}\to {\mu }^{+}{\mu }^{-}{\nu }_l{\bar{\nu }}_l$ at High Energy $e^{+}{e}^{-}$ Colliders and Measurement of the $ZWW$ and $\gamma WW$ Couplings

Cited by in corpus (5)

• W-Pair Production in the Process $e^{+}{e}^{-}\to \ell \nu q{\bar{q}}^{\prime }$ and Measurement of the $WW\gamma$ and $WWZ$ Couplings
• Unravelling the $WW\gamma$ and $WWZ$ Vertices at the Linear Collider: $\bar{\nu }\nu \gamma$ and $\bar{\nu }\nu \bar{q}q$ final states
• Probing $WW\gamma$ coupling through $e^{-}\gamma \to {\nu }_e{W}^{-}$ at ILC
• Single-W production to test triple gauge boson couplings at LEP
• The impact of LEP 2 data on possible anomalous enhancements of Re e'/e