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This is a Quantitative Study study.

Analysis of three-body charmed B meson decays B→D(V*→)VP</mml:…

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This analysis reveals branching fractions of three-body decays in B mesons, suggesting significant contributions from vector resonances.

Three-body decays of B mesons into D mesons exhibit measurable branching fractions around 10^-6 to 10^-4, highlighting their experimental relevance.
The virtual effects from vector resonances like ρ and ω are crucial, comparable to total decay rates of B meson decays into D meson pairs.
Using a factorization-assisted approach, the intermediate subprocesses are calculated while resonances are modeled with a breit-wigner distribution.
Our results provide consistency with previous QCD predictions but demonstrate higher precision in decay rate estimations.

Ouyang et al. (2025) studied this question.

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