Determination of $\gamma$ from $\bar B^0 \to K^-\pi^+, \pi^-\pi^+$   Decays
  Due a mistake in identifying the operators $O_9$ and $O_{10}$ which leads to errorous expressions in eq. 9. With the correct expressions (exchange c_9 and c_{10} in eq. 9), the analysis followed are invalide. 
Xiao-Gang He (NTU)