Abstract
The rare semileptonic Bc→Ds,dl+l- decays are studied in the universal extra dimension with a single extra dimension scenario. The sensitivity of differential and total branching ratios and polarization asymmetries of final state leptons to the compactification parameter are presented, for both muon and tau decay channels. Considering the ability of available experiments, it would be useful to study these effects.
Highlights
The decays induced by flavor changing neutral current (FCNC) b → s, d transitions play an important role in testing the standard model (SM) and they are very sensitive to the new physics
The main aim of this paper is to find the possible effects of the ACD model on some physical observables related to the Bc → (Ds, D)l+l− decays
Studying polarization asymmetries of final state leptons is an useful way of searching new physics
Summary
The decays induced by flavor changing neutral current (FCNC) b → s, d transitions play an important role in testing the standard model (SM) and they are very sensitive to the new physics. The main aim of this paper is to find the possible effects of the ACD model on some physical observables related to the Bc → (Ds, D)l+l− decays. We study differential decay rate, branching ratio, and polarization of final state leptons, including resonance contributions in as many as possible cases. We analyze these observables in terms of the compactification factor and the form factors.
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