New physics with three-photon events at LEP |
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| Authors: | M. Baillargeon F. Boudjema E. Chopin V. Lafage |
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| Affiliation: | 1. Grupo Te??rico de Altas Energias, Instituto Superior T??cnico Edif??cio Ci??ncia (F??sica), P-1699, Lisboa Codex, Portugal
2. Laboratoire de Physique Th??orique ENSLAPP, Chemin de Bellevue, B.P. 110, F-74941, Annecy-le-Vieux, Cedex, France
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| Abstract: | The effect a generalZ??3?? vertex in the reactione + e ???3?? 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 3?? QED cross section. As special applications we discuss the effect of heavy scalars, fermions and gauge bosons. |
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