SUSY effects on the exclusive semi-leptonic decays $B\to \pi {\tau }^{+}{\tau }^{-}$ and $B\to \rho {\tau }^{+}{\tau }^{-}$

Abstract

In this paper we study the polarization asymmetries of the final state lepton in the radiative dileptonic decay of B meson (\bsllg) in the framework of Minimal Supersymmetric Standard Model (MSSM) and various other unified models within the framework of MSSM e.g. mSUGRA, SUGRA (where condition of universality of scalar masses is relaxed) etc. Lepton polarization, in addition of having a longitudinal component (\pl), can have two other components, \pt and \pn, lying in and perpendicular to the decay plane, which are proportional to \ml and hence are significant for final state being ${\mu }^{+}{\mu }^{-}$ or ${\tau }^{+}{\tilde{\tau }}^{-}$. We analyse the dependence of these polarization asymmetries on the parameters of the various models.

version accepted for publication in Phys. Rev. D. Few refrences and two tables added

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• B meson Dileptonic Decays in NMSSM with a Light CP-odd Higgs Boson
• Lepton polarization asymmetries in rare semi-tauonic $b\to s$ exclusive decays at FCC-$ee$
• Double-lepton polarization asymmetries in the (B -> K l^+ l^-) decay beyond the Standard Model
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• Polarized lepton pair forward-backward asymmetries in (B -> K^* l^+ l^-) decay beyond the standard model
• Polarization effects in exclusive semileptonic (Lambda_b -> Lambda l^+ l^-) decay
• Supersymmetric effects on Forward Backward asymmetries of $B\to K{\ell }^{+}{\ell }^{-}$
• Double-lepton polarization asymmetries in Lambda_b -> Lambda l^+ l^- decay
• Double-lepton polarization asymmetries in the Exclusive (B -> rho l^+ l^-) decay beyond the Standard Model
• Exclusive (B -> rho l^+ l^-) decay and Polarized lepton pair forward--backward asymmetries
• (B -> K_2 l^+ l^-) decay beyond the Standard Model
• Study of semileptonic decays $B\to \pi l^{+}{l}^{-}$ and $B\to \rho l^{+}{l}^{-}$ in non-universal Z' model
• Lepton polarization asymmetries for $B\to K^{\ast }{\ell }^{+}{\ell }^{-}$: A Model Independent approach
• Predictions of Angular Observables for ${\bar{B}}_s\to K^{\ast }\ell \ell$ and $\bar{B}\to \rho \ell \ell$ in Standard Model
• The Forward Backward asymmetries of $B\to X_s{\tau }^{+}{\tau }^{-}$ in the MSSM
• Exclusive $B-->\pi {\ell }^{+}{\ell }^{-}$ and $B-->\rho {\ell }^{+}{\ell }^{-}$ Decays in the Universal Extra Dimension
• Exclusive $B \rar ρ\ell^+ \ell^-$ Decay in the Standard Model with Fourth--Generation
• CP violation in polarized B-> pi ell+ ell- and B-> rho ell+ ell- decays
• Implication of Z-mediated FCNC on semileptonic decays $B_s\to \varphi l^{+}{l}^{-}$ and $B^{+}\to K^{+}{l}^{+}{l}^{-}$
• Analysis of the lepton polarisation asymmetries of $\bar{B}\to {\bar{K}}_2(1430){\ell }^{+}{\ell }^{-}$ decay
• Flavor changing effects on single charged Higgs boson production associated with a bottom-charm pair at CERN Large Hadron Collider