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Title

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

CollaborationWith : Achard, Pablo / Ambrosi, Giovanni / Bourquin, Maurice / Braccini, Saverio / Chamizo Llatas, Maria / Deglon, Patrick / Delmeire, Evelyne / Extermann, Pierre / Field, John / Kienzle, Maria-Novella / Pohl, Martin / Sciarrino, Deborah
Published in Physics Letters. B. 2000, vol. 489, no. 1-2, p. 81-92
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.
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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. https://archive-ouverte.unige.ch/unige:47343

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Deposited on : 2015-02-27

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