Abstract
Recent measurements of the branching fractions and helicity amplitudes of the decays B–→ D⋆ 0 ρ– and \({\bar B}^0 \to D^{\star +} \rho^{-}\) by the CLEO collaboration are presented. The fraction of longitudinal polarization in the \({\bar B}^0 \to D^{\star +} \rho^{-}\) decay is found to be consistent with the factorization hypothesis, although the helicity amplitudes show evidence for nonzero final-state interaction phases.
PACS: 13.25.Hw Decays of bottom mesons – 12.39.St Factorization – 14.40.Nd Bottom mesons
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Dankó, I. B decays into charm at CLEO. Eur Phys J C 33 (Suppl 1), s223–s225 (2004). https://doi.org/10.1140/epjcd/s2003-03-113-2
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DOI: https://doi.org/10.1140/epjcd/s2003-03-113-2