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Production of three vector bosons in e+e− annihilation as a test of W±, Z, γ self-interactions

1993; Elsevier BV; Volume: 302; Issue: 2-3 Linguagem: Inglês

10.1016/0370-2693(93)90401-3

ISSN

1873-2445

Autores

Carsten Grosse-Knetter, D. Schildknecht,

Tópico(s)

Quantum Chromodynamics and Particle Interactions

Resumo

We study the vector-boson production processes e+e- --> WWZ and e+e- -->WWgamma which are directly affected by the trilinear and quadrilinear self couplings of the W, Z and gamma. Our analysis is based upon a single-parameter effective-Lagrangian model for these self interactions which contains the standard model as a special case. Consequences for the phenomenology at an e+e- collider of 500 GeV (NLC) are discussed, and fits of the free parameter around its standard model value are carried out.

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