2001/10/22 by C. D. McMullen, McMullen, C. D., Soumitra Nandi +2 · 1 citation
Physics and Astronomy · Social Sciences · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #International Science and Diplomacy #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.48550/arxiv.hep-ph/0110275
19 pages, 6 figures
arxiv created 2001/10/22 · openalex publication_date 2001/10/22 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
It is possible for the SM fields to propagate into one or more large extra compact dimensions. Such fields have associated KK excitations that produce additional contributions to the SM processes. We calculate the effects that these KK excitations have on cross sections for e+e- collider processes in a model in which the SM gauge bosons, and perhaps the Higgs, can propagate into one TeV-1-size extra compact dimension. Specifically, we consider muon pair production, Bhabha scattering, dijet production, Higgs production, and single-photon production. At prospective high energy e+e- colliders, we find significant deviations from the SM cross sections: For example, a 600 GeV collider produces a 20% reduction in the cross section for muon pair production as compared to the SM for a compactification scale of 3.5 TeV. The effect is much smaller at LEP2 energies, where the compactification scale must be lower than 2 TeV in order to produce a 6% effect.