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Double-Lepton Polarization Asymmetries and Branching Ratio in B rar K₀^(*)(1430) l^+ l^- transition from Universal Extra Dimension Model

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arxiv 1011.1469 v2 pith:5YBWRY45 submitted 2010-11-05 hep-ph

Double-Lepton Polarization Asymmetries and Branching Ratio in B rar K₀^(*)(1430) l^+ l^- transition from Universal Extra Dimension Model

classification hep-ph
keywords modelasymmetriesbranchingdimensionextrapolarizationpredictionsratio
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We investigate the $B \rar K_{0}^{*}(1430) l^+ l^- $ transition in the Applequist-Cheng-Dobrescu model in the presence of a universal extra dimension. In particular, we calculate double lepton polarization asymmetries and branching ratio related to this channel and compare the obtained results with the predictions of the standard model. Our analysis of the considered observables in terms of radius $R$ of the compactified extra-dimension as the new parameter of the model show a considerable discrepancy between the predictions of two models in low $\frac{1}{R}$ values.

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