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Hard-photon production and tests of QED 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 / Muheim, Franz / Pohl, Martin / Produit, Nicolas / Sciarrino, Deborah
Published in Physics Letters. B. 2000, vol. 475, no. 1-2, p. 198-205
Abstract The total and differential cross sections of the process e+e−→nγ with n≥2 are measured using data collected by the L3 experiment at centre-of-mass energies of √s=183 and 189 GeV. The results are in agreement with the Standard Model expectations. Limits are set on deviations from QED, contact interaction cut-off parameters and masses of excited electrons.
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L3 COLLABORATION. Hard-photon production and tests of QED at LEP. In: Physics Letters. B, 2000, vol. 475, n° 1-2, p. 198-205. https://archive-ouverte.unige.ch/unige:47330

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Deposited on : 2015-02-27

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