Observation of the Bs0 → D D decay

The LHCb collaboration

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A search for the Bs0→ DD decay is performed using proton-proton collision data at centre-of-mass energies of 7, 8 and 13 TeV collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb−1. The decay is observed with a high significance and its branching fraction relative to the B0→ DD decay is measured to beℬ(Bs0→D∗±D∓)(B0→D∗±D∓)=0.137±0.017±0.002±0.006, where the first uncertainty is statistical, the second systematic and the third is due to the uncertainty on the ratio of the Bs0 and B0 hadronisation fractions. [Figure not available: see fulltext.]

Idioma originalInglés
Número de artículo99
PublicaciónJournal of High Energy Physics
EstadoPublicada - mar 2021


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