Measurement of Forward Z → e+ e− Production at √s = 8 TeV
DOIAbstract
none704siA measurement of the cross-section for Z-boson production in the forward region of pp collisions at 8 TeV centre-of-mass energy is presented. The measurement is based on a sample of Z → e+ e− decays reconstructed using the LHCb detector, corresponding to an integrated luminosity of 2.0 fb^−1. The acceptance is defined by the requirements 2.0 20 GeV for the pseudorapidities and transverse momenta of the leptons. Their invariant mass is required to lie in the range 60-120 GeV. The cross-section is determined to be σ(pp → Z → e+ e−) = 93.81 ± 0.41(stat) ± 1.48(syst) ± 1.14(lumi)pb, where the first uncertainty is statistical and the second reflects all systematic effects apart from that arising from the luminosity, which is given as t...
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