Study of B --> D(*)Ds(J)(*) Decays and Measurement of Ds- and DsJ(2 460)- Branching Fractions
The BABAR Collaboration, B. Aubert
Abstract
We present branching fraction measurements of twelve B meson decays of the form B --> D(*)Ds(J)(*). The results are based on Y(4S) decays in BBbar pairs. One of the B mesons is fully reconstructed and the other decays to two charm mesons, of which one is reconstructed, and the mass and momentum of the other is inferred by kinematics. Combining these results with previous exclusive branching fraction measurements, we determine BR(Ds- --> phi pi-) = (4.62 +/- 0.36stat. +/- 0.51syst.)%, BR(DsJ(2460)- --> Ds*- pi0) = (56 +/- 13stat. +/- 9syst.)% and BR(D-sJ(2460)- --> Ds- gamma) = (16 +/- 4stat. +/- 3syst.)%.
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