Study of W-exchange Mode D⁰ → ϕ K⁰
Du, Dong-Sheng · Li, Ying · Lü, Cai-Dian
Original · EN
We calculate the branching ratio of D⁰ → ϕ K⁰ decay using the so-called perturbation QCD approach based on kₜ factorization. Our result shows this branching ratio is (8.7 ±1.4)× 10⁻³, which is consistent with experimental data. We hope the CLEO-C and BES-III can measure it more accurately, which will help us to understand QCD dynamics and D meson weak decays.
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