Analysis of B_s->ϕ\ell^+ \ell^- decay with new physics effects

Abstract

The rare B_s-> ϕ\ell^+ \ell^- decay is investigated by using the most general model independent effective Hamiltonian for $\ell =\mu ,\tau$. The calculated $Br(B_s \rar ϕμ^+ μ^-) = 1.92 \times 10^{-6}$ is in consistent with the experimental upper bound. The dependencies of the branching ratios and polarization asymmetries of leptons and combined lepton-antilepton asymmetries on the new Wilson coefficients are presented. The analysis shows that the branching ratios and the lepton polarization asymmetries are very sensitive to the scalar and tensor type interactions. The results obtained in this work will be very useful in searching new physics beyond the standard model.

28 pages, 14 figures

References in corpus (4)

• $B_{(s)},D_{(s)}\to \pi ,K,\eta ,\rho ,K^{\ast },\omega ,\varphi$ Transition Form Factors and Decay Rates with Extraction of the CKM parameters $|V_{ub}|$, $|V_{cs}|$, $|V_{cd}|$
• Study of FCNC mediated rare B_s decays in a single universal extra dimension scenario
• Search for the Rare Decay B0_s -> phi mu^+ mu- with the D0 Detector
• General analysis of the rare Bc->D^*_s l^+ l^- decay beyond the standard model