English

New Physics with three-photon events at LEP

High Energy Physics - Phenomenology 2019-08-15 v2

Abstract

The effect of the most general \z3gt vertex in the reaction e+e\ra3γe^+e^- \ra 3\gamma is studied with a particular attention to LEP searches. We give exact analytical expressions including realistic cuts for the signal and present a detailed analysis based on a Monte Carlo that includes the effect of the irreducible 3γ3\gamma QED cross section. As special applications we discuss the effect of heavy scalars, fermions and gauge bosons and comment on the ``monopole" connection.

Keywords

Cite

@article{arxiv.hep-ph/9506396,
  title  = {New Physics with three-photon events at LEP},
  author = {M. Baillargeon and F. Boudjema and E. Chopin and V. Lafage},
  journal= {arXiv preprint arXiv:hep-ph/9506396},
  year   = {2019}
}

Comments

No changes made from previous version, 34 pages, LateX, uses epsf, 11 .eps figs., full paper (including figs) is also available via WWW at http://lapphp0.in2p3.fr/preplapp/psth/lastee3g.ps.gz or via anonymous ftp at ftp:///lapphp0.in2p3.fr/pub/preprints-theorie/ftpee3g.uu

R2 v1 2026-07-22T14:26:33.580Z