3 research outputs found

    Measurement of the E+E- -] B(B)over-Bar and E+E- -] C(C)over-Bar Forward Backward Asymmetries at the Z0 Resonance

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    Measurement of the e+e- --> bb‟\overline{b} and e+e- --> cc‟\overline{c} forward-backward asymmetries at the Z0 resonance

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    We have measured the forward-backward asymmetry in e+e−→bbande+e−→cce^+e^−→b band e^+e^−→cc processes using hadronic events containing muons or electrons. The data sample corresponds to 4100000 hadronic decays of the Z0. From a fit to the single lepton and dilepton p and pT spectra, we determine Abb=0.086±0.015±0.007andAcc=0.083±0.038±0.027 at the effective center-of-mass energy √s=91.24 GeV. These measurements yield a value of the electroweak mixing angl

    Measurement of the forward-backward asymmetries at the Z0 resonance

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