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A Measurement of the Z0 ---> b anti-b forward - backward asymmetry

The L3 collaboration
Phys.Lett.B 252 (1990) 713-721, 1990.

Abstract (data abstract)
CERN-LEP. Measurement of the Z0 --& gt; b bbar forward-backward asymmetry by the L3 collaboration. Z0 --& gt; b bbar decays are identified by the observation of a hadronic event containing a lepton coming from the semileptonic decay of the b or bbar quark.

  • Table 1

    Data from P 719


    Observed asymmetry from fit to single and dilepton P and PT spectra assuming no mixing.

  • Table 2

    Data from P 719


    Asymmetry corrected for the effects of mixing using the L3 observed mixing parameter chi(B) = 0.178 +0.049,-0.040.

  • Table 3

    Data from P 720


    SIN2TW determined from the asymmetry measurement.

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