We present the first measurement of the left-right asymmetry in Bhabha scattering with a polarized electron beam. The effective electron vector and axial vector couplings to the Z0 are extracted from a combined analysis of the polarized Bhabha scattering data and the left-right asymmetry previously published by this collaboration.
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Forward-backward asymmetry calculated from number of events from combined 1989 and 1990 data.
Forward-backward asymmetry resulted from a maximum-likelihood fit to the COS(THETA) distribution from combined 1989 and 1990 data.
Forward-backward asymmetry resulted from a maximum-likelihood fit to the COS(THETA) distribution from combined 1989 and 1990 data.