Search for Manifestations of New Physics in Fermion-Pair Production at LEP

Details Search for Manifestations of New Physics in Fermion-Pair Production at LEP Search for Manifestations of New Physics in Fermion-Pair Production at LEP

2000-05-20

arxiv.org/abs/hep-ex/0005028v1

Phys.Lett.B489:81-92,2000

Physics

High Energy Physics

High Energy Physics - Experiment

Scientific paper

10.1016/S0370-2693(00)00887-X

The measurements of hadron and lepton-pair production cross sections and leptonic forward-backward asymmetries performed with the L3 detector at centre-of-mass energies between 130 GeV and 189 GeV are used to search for new physics phenomena such as: contact interactions, exchange of virtual leptoquarks, scalar quarks and scalar neutrinos, effects of TeV strings in models of quantum gravity with large extra dimensions and non-zero sizes of the fermions. No evidence for these phenomena is found and new limits on their parameters are set.

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