Observation of the B0s → D*±D∓ decay

A search for the B0s → D*±D∓ 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 t...

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Detalles Bibliográficos
Autores: LHCb Collaboration - CERN, Calvo Gomez, Miriam, Golobardes Ribé, Elisabet, Vilasis-Cardona, Xavier
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2021
País:España
Institución:Universitat Ramon Llull (URL)
Repositorio:DAU Arxiu Digital de la Universitat Ramon Llull
OAI Identifier:oai:dau.url.edu:20.500.14342/3174
Acceso en línea:http://hdl.handle.net/20.500.14342/3174
https://doi.org/10.1007/JHEP03(2021)099
Access Level:acceso abierto
Palabra clave:Gran col·lisionador d'hadrons (França i Suïssa)
Interaccions d'hadrons
Partícules (Física nuclear)
Protons
539
Descripción
Sumario:A search for the B0s → D*±D∓ 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 → D*±D∓ decay is measured to be B(B0s→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 B0s and B0 hadronisation fractions.