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arxiv: 0806.0583 · v2 · submitted 2008-06-03 · ✦ hep-ph

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Analysis of the Rare B_c to D_{s,d}^{*} l^+ l^- Decays in QCD

K. Azizi , F. Falahati , V. Bashiry , S. M. Zebarjad
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classification ✦ hep-ph
keywords decaysbranchingrareagreementanalysisapproachcalculatedcondensate
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The rare $B_c \to D_{s,d}^{*} l^+ l^-$ decays are investigated in the framework of the three point QCD sum rules approach. Considering the gluon condensate corrections to the correlation function, the form factors relevant to these transitions are calculated. The total decay width and branching ratio for these decays are also evaluated. The results for the branching ratios are in good agreement with the quark models.

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  1. Weak Annihilation Contribution to Angular Observables in $B_{c}^+\to D^{\ast+}\ell^{+}\ell^{-}$ Decays

    hep-ph 2026-02 unverdicted novelty 4.0

    Weak annihilation contributions are sizable in B_c^+ to D^{*+} lepton pair decays and must be included to obtain reliable Standard Model predictions for angular observables.