Anomalous tqγ Couplings and Radiative B Meson Decays*

Abstract

Motivated by the recent ATLAS results in terms of the branching ratios Br(t → qγ), we consider the effects of the anomalous tqγ couplings on the radiative B meson decays B ¯ → X D γ and B → Vγ with V being light vector mesons ρ, ω, ϕ and K *. Comparing with the corresponding experimental measured data, we obtain the constraints on anomalous tqγ couplings.