Figure 11.

Forward-backward charge asymmetries as functions of the center-of-mass energy for: a e⁺e⁻ → e⁺e⁻ with $|\cos {\theta }_{e^{-}}|<0.7$; b e⁺e⁻ → μ⁺μ⁻ with |cos θ| < 0.95; c e⁺e⁻ → τ⁺τ⁻ with |cos θ| < 0.9. The solid lines are the combined fit results. The solid points show the 1990 data.