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Determination of γ/Z interference in e+e annihilation 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
Published in Physics Letters. B. 2000, vol. 489, no. 1-2, p. 93-101
Abstract An S-Matrix ansatz is used to determine the mass and width of the Z boson, as well as the contributions of γ/Z interference and Z boson exchange to fermion-pair production. For this purpose we use hadron and lepton-pair production cross sections and lepton forward-backward asymmetries that have been measured with the L3 detector at centre-of-mass energies between 87 GeV and 189 GeV.
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L3 COLLABORATION. Determination of γ/Z interference in e+e annihilation at LEP. In: Physics Letters. B, 2000, vol. 489, n° 1-2, p. 93-101. https://archive-ouverte.unige.ch/unige:47345

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Deposited on : 2015-02-27

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