Scientific article
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Search for manifestations of new physics in fermion-pair production at LEP

ContributorsL3 Collaboration
Published inPhysics letters. B, vol. 489, no. 1-2, p. 81-92
Publication date2000
Abstract

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.

Citation (ISO format)
L3 Collaboration. Search for manifestations of new physics in fermion-pair production at LEP. In: Physics letters. B, 2000, vol. 489, n° 1-2, p. 81–92. doi: 10.1016/S0370-2693(00)00887-X
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Journal ISSN0370-2693
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