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The B→Kπ puzzle and supersymmetric models
Arnowitt, Richard,Dutta, Bhaskar,Hu, Bo,Oh, Sechul Elsevier 2006 Physics letters: B Vol.633 No.6
<P><B>Abstract</B></P><P>In the light of new experimental results on B→Kπ decays, we study the decay processes B→Kπ in the framework of both R-parity conserving (SUGRA) and R-parity violating supersymmetric models. We find that any possible deviations from the Standard Model indicated by the current data for the branching ratios and the direct CP asymmetries of B→Kπ can be explained in both R-parity conserving SUGRA and R-parity violating SUSY models. However, there is a difference between the predictions of both models to the time-dependent CP asymmetry observable <SUB>S<SUB>KS</SUB><SUP>π0</SUP></SUB> whose current experimental results include large uncertainties. We demonstrate that this difference can be useful for testing both models with more accurate data for <SUB>S<SUB>KS</SUB><SUP>π0</SUP></SUB> and ACP+− in the near future.</P>