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- W61937079 abstract "The effects of the new neutral ${Z}^{ensuremath{'}}$ boson in ${B}_{s}ensuremath{rightarrow}ensuremath{varphi}{ensuremath{ell}}^{+}{ensuremath{ell}}^{ensuremath{-}}$, when $ensuremath{varphi}$ is longitudinal or transverse polarized, are studied. In addition, the implications of the ${Z}^{ensuremath{'}}$ boson on the unpolarized and polarized $CP$ violation asymmetries, with reference to leptons, are also presented. It is observed that the branching ratio with polarized $ensuremath{varphi}$ is quite sensitive to the ${Z}^{ensuremath{'}}$ contributions which are coming through the modification of the Wilson coefficients ${C}_{9}^{text{eff}}$ and ${C}_{10}$. Moreover, the off-diagonal elements of the chiral ${Z}^{ensuremath{'}}$ couplings contain a new weak phase ${ensuremath{varphi}}_{sb}$ that provides a new source of $CP$ violation. Keeping in view that in the flavor-changing neutral-current transitions, the $CP$-violation asymmetries are highly suppressed in the Standard Model, we have studied the unpolarized and polarized $CP$-violation asymmetries in ${B}_{s}ensuremath{rightarrow}ensuremath{varphi}{ensuremath{ell}}^{+}{ensuremath{ell}}^{ensuremath{-}}$ decays. Our results indicate that these $CP$-violation asymmetries are remarkably significant and can give us hints of any new physics coming through the ${Z}^{ensuremath{'}}$ boson. It is hoped that accurate measurements of these asymmetries will not only help us to establish NP but also give us a chance to determine the precise values of the coupling parameters of the ${Z}^{ensuremath{'}}$ boson." @default.
- W61937079 created "2016-06-24" @default.
- W61937079 creator A5021083546 @default.
- W61937079 creator A5040426750 @default.
- W61937079 creator A5053655154 @default.
- W61937079 date "2014-01-16" @default.
- W61937079 modified "2023-09-24" @default.
- W61937079 title "Effects of neutralZ′boson inBs→φℓ+ℓ−decay with polarizedφand the unpolarized and polarizedCPviolation asymmetry" @default.
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