2026-04-18T07:06:07Zhttps://recercat.cat/oai/request

oai:recercat.cat:2445/2206132025-12-05T16:14:51Zcom_2072_1057col_2072_478823col_2072_478904col_2072_478917

Measurement of the ratio of branching fractions B(B+ c → B0 sπ +)/B(B+ c → J/ψπ+)  Aaij, R. Alfonso Albero, Alejandro Garcia Moreno, Paula Garrido Beltrán, Lluís Gironella Gironell, Pere Gomez Fernandez, S. Graugés Pous, Eugeni Lobo Salvia, Aniol López Huertas, Albert Manera Escalero, Rafel Marin Benito, Carla Mauricio, J. Vazquez Gomez, R. LHCb collaboration Hadrons Física de partícules Hadrons Particle physics The ratio of branching fractions of B+ c → B0 sπ + and B+ c → J/ψπ+ decays is measured with proton-proton collision data of a centre-of-mass energy of 13 TeV. The data were collected with the LHCb experiment during 2016–2018, corresponding to an integrated luminosity of 5.4 fb−1 . The B0 s mesons are reconstructed via the decays B0 s → J/ψφ and B0 s → D− s π +. The ratio of branching fractions is measured to be B(B+ c → B0 sπ +)/B(B+ c → J/ψπ+) = 91±10±8±3 where the first uncertainty is statistical, the second is systematic and the third is due to the knowledge of the branching fractions of the intermediate state decays.  2025-04-25T11:19:57Z 2025-04-25T11:19:57Z 2023 2025-04-25T11:19:57Z info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 1126-6708 https://hdl.handle.net/2445/220613 757731 eng Reproducció del document publicat a: https://doi.org/10.1007/JHEP07(2023)066 Journal of High Energy Physics, 2023, vol. 2023, num.66 https://doi.org/10.1007/JHEP07(2023)066 cc-by (c) Aaij, R. et al., 2023 http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess 1 p. application/pdf Springer Verlag Articles publicats en revistes (Física Quàntica i Astrofísica)