Abstract.
We have studied inclusive muon events using all the data collected by the TOPAZ detector at \(\sqrt{s}=58\)GeV with an integrated luminosity of 273pb\(^{-1}\). From 1328 inclusive muon events, we measured the ratio \(R_{q\bar{q}}\) of the cross section for \(q\bar{q}\) production to the total hadronic cross section and forward-backward asymmetry \(A_{FB}^{q}\) for b and c quarks. The obtained results are \(R_{b\bar{b}}=0.13\pm0.02(stat)\pm0.01(syst)\), \(R_{c\bar c}=0.36\pm0.05(stat)\pm0.05(syst)\), \(A_{FB}^{b}=-0.20\pm0.16(stat)\pm0.01(syst)\) and \(A_{FB}^ c=-0.17\pm0.14(stat)\pm0.02(syst)\), in fair agreement with a prediction of the standard model.
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Received: 18 October 2000 / Revised version: 2 November 2000 / Published online: 27 November 2000
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Inoue, Y., Miyamoto, A., Nakano, E. et al. Measurement of the cross-section and forward-backward charge asymmetry for the b and c-quark in \(e^+e^-\) annihilation with inclusive muons at \(\sqrt{s} = 58\) GeV. Eur. Phys. J. C 18, 273–282 (2000). https://doi.org/10.1007/s100520000541
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DOI: https://doi.org/10.1007/s100520000541