The most general model-independent analysis of the lepton polarization asymmetries in the rare B decay, , is presented. We present the longitudinal, normal and transverse polarization asymmetries for the τ^+ and τ^-, and combinations of them, as functions of the Wilson coefficients of twelve independent four-Fermi interactions, ten of them local and two nonlocal. These procedures will tell us which type of operators contributes to the process. And it will be very useful to pin down new physics

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... ystematically, once we have the experimental data with high statistics and a deviation from the Standard Model is found.