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LHCB_2012_I1208102

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Measurement of the ppZ0 cross-section in the Z/γe+e mode at s=7 TeV. Daughter electrons are required to have pT>20 GeV/c, 2<η<4.5 and the dielectron invariant mass in range 60-120 GeV/c2. The cross-section is given as a function of Z rapidity and an angular variable (ϕ) closely related to Z transverse momentum (derived from the lepton pseudorapidity and azimuthal angle differences). For event generators implementing cross-section QCD corrections only at LO the distributions are normalized to the cross-section measured in data 76.0±0.8±2.0±2.6±0.4 pb, where the first uncertainty is statistical, the second is systematic, the third is due to luminosity uncertainty and the fourth to FSR corrections.

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