pQCD calculations predict ~90% longitudinal polarization in B_c to J/psi or psi(2S) plus rho or K* mediated light meson pairs, with one branching ratio ratio matching LHCb at 2.67 vs 2.80.
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QCDF calculation with NLO terms and updated form factors yields branching ratios up to O(10^{-4}) for B0 to D+ a0- and Bs0 to Ds+ a0- in one scalar meson scenario.
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$B_c$ meson decays into $S$-wave charmonium plus light meson pairs in the perturbative QCD approach
pQCD calculations predict ~90% longitudinal polarization in B_c to J/psi or psi(2S) plus rho or K* mediated light meson pairs, with one branching ratio ratio matching LHCb at 2.67 vs 2.80.
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Study on the Cabibbo-favored ${\overline B}_{d,s}$ ${\to}$ $D_{d,s}^{(*)+}S^{-}$ weak decays in QCD factorization
QCDF calculation with NLO terms and updated form factors yields branching ratios up to O(10^{-4}) for B0 to D+ a0- and Bs0 to Ds+ a0- in one scalar meson scenario.