Measurements of the Angular Distributions in the Decays $B \to K{(*)} \mu+ \mu-$ at CDF.

Abstract

Wereportanindirectsearchfornonstandardmodelphysicsusingtheflavor-changingneutralcurrent decaysB!KðÞþ.Wereconstructthedecaysandmeasuretheirangulardistributions,asafunction ofq2¼M2 c2,whereMisthedimuonmass,inppcollisionsat ffiffiffis p ¼1:96TeVusingadatasample correspondingtoanintegratedluminosityof6:8fb1.ThetransversepolarizationasymmetryA ð2Þ Tandthe time-reversal-oddcharge-and-parityasymmetryAimaremeasuredforthefirsttime,togetherwiththeK longitudinalpolarizationfractionFLandthemuonforward-backwardasymmetryAFBforthedecays