Branching ratios of $B^+ \to D^{(*)+}K^{(*)0}$ decays in perturbative QCD approach

Cai-Dian L\"u; Ge-Liang Song

Branching ratios of $B^+ \to D^{()+}K^{()0}$ decays in perturbative QCD approach

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arxiv hep-ph/0403233 v4 pith:2N4NDANM submitted 2004-03-22 hep-ph hep-ex

Ge-Liang Song , Cai-Dian Lü This is my paper · ORCID

classification hep-phhep-ex

keywords approachbranchingdecaysperturbativeratiosannihilationcalculatediagrams

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abstract

We study the rare decays $B^+ \to D^{(*)+}K^{(*)0}$, which can occur only via annihilation type diagrams in the standard model. We calculate all of the four modes, $B \to PP, VP, PV, VV$, in the framework of perturbative QCD approach and give the branching ratios of the order about $10^{-6}$.

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Enhanced Quark-Loop Contribution to Pure Annihilation Nonleptonic B-meson decays in PQCD approach
hep-ph 2025-04 conditional novelty 5.0 of 10

Quark-loop NLO corrections to pure annihilation B decays leave branching ratios nearly unchanged but significantly enhance direct and mixing-induced CP asymmetries, with Bd to phi phi reaching about -40 percent.

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