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A Systematic Analysis of the Exclusive B -> K^* l^+ l^- Decay

T. M. Aliev·C. S. Kim·Y. G. Kim
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Abstract

A model-independent analysis for the exclusive, rare B -> K^* l^+ l^- decay is presented. Systematically studied are the experimentally measured quantities, such as, branching ratio, forward-backward asymmetry, longitudinal polarization of the final leptons, and the ratio $Γ_L/Γ_T$ of the decay widths when $K^\ast$ meson is longitudinally and transversally polarized. The dependence of the asymmetry parameter $α= 2 Γ_L/Γ_T -1$ on the new Wilson coefficients is also studied in detail. It is found that the afore-mentioned physical observables are quite sensitive to the new Wilson coefficients. Therefore, once we have the experimental data with high statistics and a deviation from the Standard Model, we can interpret the source of such discrepancy.

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T. M. Aliev, C. S. Kim, Y. G. Kim. 2000-02-11. A Systematic Analysis of the Exclusive B -> K^* l^+ l^- Decay. https://doi.org/10.1103/physrevd.62.014026

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