# $ψ(3770)$ and $B$ meson exclusive decay $B o ψ(3770) K$ in QCD factorization

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Belle has observed surprisingly copious production of $\psi(3770)$ in $B$ meson decay $B\to \psi(3770)K$, of which the rate is comparable to that of $B\to \psi(3686)K$. We study this puzzling process in the QCD factorization approach with the effect of S-D mixing considered. We find that the soft scattering effects in the spectator interactions pla

Autor: Ying-Jia Gao; Ce Meng; Kuang-Ta Chao

Fuente: https://archive.org/