Abstract
In this paper, an extensive study of exclusive baryonic decay Ξb → Ξl+l− (l = μ, τ) in non-universal Z' model is carried out. We use the form factors calculated by light cone QCD sum rule and analyse the effect of neutral gauge boson Z' on this decay. We study different physical observables like differential branching ratio, FB asymmetry, single and double lepton polarization asymmetries in the SM as well as in Z' model for this decay and represent graphically. We also estimate the numerical values of these kinematic observables in Z' model and compare with the SM. Our results indicate that these observables are very sensitive for both μ and τ channels which would provide signal for NP beyond the SM.
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