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Measurement of the Bs0→Ds(*)+Ds(*)- branching fractions
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Published Web Location
http://doi.org/10.1103/PhysRevD.93.092008No data is associated with this publication.
Abstract
The branching fraction of the decay Bs0→Ds(*)+Ds(*)- is measured using pp collision data corresponding to an integrated luminosity of 1.0 fb-1, collected using the LHCb detector at a center-of-mass energy of 7 TeV. It is found to be B(Bs0→Ds(*)+Ds(*)-)=(3.05±0.10±0.20±0.34)%, where the uncertainties are statistical, systematic, and due to the normalization channel, respectively. The branching fractions of the individual decays corresponding to the presence of one or two Ds*± are also measured. The individual branching fractions are found to be B(Bs0→Ds*±Ds∓)=(1.35±0.06±0.09±0.15)%, B(Bs0→Ds*+Ds*-)=(1.27±0.08±0.10±0.14)%. All three results are the most precise determinations to date.
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