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Double polarized forward-backward asymmetries in $B\rightarrowK_{1}(1270,1400)\ell^{+}\ell^{-}$ with $\ell=\mu , \tau$ decays are studied,using most general non-standard local four-fermi interactions, where the masseigenstates $K_{1}(1270)$ and $K_{1}(1400)$ are the mixture of $^{1}{P}_{1}$and $^{3}{P}_{1}$ states with the mixing angle $\theta_{K}$. We have calculatedthe expressions of nine doubly polarized forward-backward asymmetries and it ispresented that the polarized lepton pair forward-backward asymmetries aregreatly influenced by the new physics. Therefore, these asymmetries areinteresting tool to explore the status of new physics in near future, speciallyat LHC.

Polarized forward-backward asymmetries of lepton pair in $B\rightarrow K_{1}\ell^{+}\ell^{-}$ decay in the presence of New physics