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arxiv: 0909.5028 · v2 · submitted 2009-09-28 · ✦ hep-ph

Non-leptonic two-body decays of the Bc meson in light-front quark model and QCD factorization approach

classification ✦ hep-ph
keywords decaysmesonnon-leptonicdecayapproachbranchingconstantsfactorization
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We study exclusive non-leptonic two-body $B_c\to(D_{(s)},\eta_c,B_{(s)})+F$ decays with $F$(pseudoscalar or vector meson) being factored out in QCD factorization approach. The non-leptonic decay amplitudes are related to the product of meson decay constants and the form factors for semileptonic $B_c$ decays. As inputs in obtaining the branching ratios for a large set of non-leptonic $B_c$ decays, we use the weak form factors for the semileptonic $B_c\to(D_{(s)},\eta_c,B_{(s)})$ decays in the whole kinematical region and the unmeasured meson decay constants obtained from our previous light-front quark model. We compare our results of the branching ratios with those of other theoretical studies.

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