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Free accessOther version: http://www.sciencedirect.com/science/article/pii/S037026930000887X
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Scientific Article
unige:47343 
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Search for manifestations of new physics in fermion-pair production at LEP |
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| Collaboration | With : 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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Article (Published version) (267 Kb) - Free access Other version: http://www.sciencedirect.com/science/article/pii/S037026930000887X |
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| Structures | ||
| 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 https://archive-ouverte.unige.ch/unige:47343 |
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