Scrutinizing new physics of $B_d\to ϕ(η^{(')},π, ω)$ decay modes

Abstract

We inspect the exclusive hadronic decay modes $ B_d\to ϕ(η^{(')}, π, ω)$, induced by quark level transition as $b\to d$ $(ΔS=0)$, in vector like down quark model. As these decay modes insist highly suppressed followed by the predicted branching fraction $\mathcal{O}(10^{-9})$ which reflects to scrutinize physics beyond the standard model. We constrain the new parameter space inferred from experimental limits on leptonic $B_d\to \ell \ell(\ell=e, μ, τ)$ and nonleptonic decay modes $B_d \to η' π^0$ and $B_u\to ρ^- η'$. We then check the new physics contributions can have significant impact on the prominent observable so called branching ratio of $B_d\to ϕ(η^{(')},π, ω)$ processes.