Study of $B_s\to (\eta ,{\eta }^{\prime },\varphi )\ell \bar{\ell }$ Decays

Abstract

We study the rare decays of $B_s\to M_s\ell \bar{\ell }$ ($M_s=\eta ,{\eta }^{\prime },\varphi$ and $\ell =\nu ,e,\mu ,\tau$) in the standard model. With the hadronic form factors evaluated in the light front and constituent quark models, we estimate the decay branching ratios, respectively. We also discuss the longitudinal lepton polarization and forward-backward asymmetries.

21 pages, 6 Figures, to be published in J. Phys. G

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