Constraints on anomalous W W gamma and W W gamma gamma couplings at 500-GeV linear e+ e- collider
Aug, 19919 pages
Published in:
- Phys.Lett.B 272 (1991) 149-157
- Published: 1991
Report number:
- DESY-91-086
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Abstract: (Elsevier)
We examine the potential of a future 500 GeV linear e + e − collider (NLC) to probe the “minimal” set ( ϰ γ , λ γ ) of anomalous WW γ and WW γγ couplings via the (sub) processes γ →W + W − , e − γ →W − v and e + e − →W + W − , for comparison. Photon beams both from classical Bremsstrahlung and, notably, from backscattering laser light off e ± beams are considered. The differential cross sections d σ /d cos θ of the three reactions are calculated analytically and used as observables in a χ 2 analysis under identical assumptions on machine parameters. The constraints emerging from the use of laser photon beams appear very encouraging, are independent of ϰ Z and λ Z and impressively underline the importance of realizing laser photon beams at the NLC.- electron positron: linear collider
- electron positron: annihilation
- annihilation: electron positron
- electron positron: inelastic scattering
- inelastic scattering: electron positron
- photon electron: interaction
- interaction: photon electron
- photon photon: interaction
- interaction: photon photon
- photon electron: Compton scattering
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