We perform a detailed study of the process e+e- →γνlν̄l and its sensitivity to anomalous gauge boson couplings of the γWW vertex. We concentrate on CERN LEP II energies, s =200 GeV, and energies appropriate to the proposed Next Linear Collider (NLC), a high energy e+e- collider, with center of mass energies s =500 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 κγ and λγ can be measured to about ±0.05 and ±0.1, respectively, at 95% C.L. while at 1 TeV they can be measured to about ±0.02. At the high luminosities anticipated at high energy linear colliders precision measurements are likely to be limited by systematic rather than statistical errors.

Physical Review D
Department of Physics

Couture, G. (Gilles), & Godfrey, S. (1994). Measurement of the WWγ vertex through single photon production at e+e- colliders. Physical Review D, 50(9), 5607–5612. doi:10.1103/PhysRevD.50.5607