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| Título: | Measurement of the ratio of branching fractions of the decays Λ b 0 → ψ(2S)Λ and Λ b 0 → J/ψΛ |
Autor: | García Martín, L.M.; Henry, L.; Martínez-Vidal, Fernando CSIC ORCID; Oyanguren, Arantza CSIC ORCID; Remón Alepuz, Clara; Ruiz Valls, Pablo CSIC; Ruiz Vidal, Joan; Sánchez Mayordomo, Carlos CSIC; LHCb Collaboration | Fecha de publicación: | mar-2019 | Editor: | Institute of Physics Publishing | Citación: | Journal of High Energy Physics 2019: 126 (2019) | Resumen: | Using pp collisions corresponding to 3 fb−1 integrated luminosity, recorded by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV, the ratio of branching fractions B(Λ0b→ψ(2S)Λ)/B(Λ0b→J/ψΛ)=0.513±0.023(stat)±0.016(syst)±0.011(B) is determined. The first uncertainty is statistical, the second is systematic and the third is due to the external branching fractions used. | URI: | http://hdl.handle.net/10261/194703 | DOI: | 10.1007/JHEP03(2019)126 | Identificadores: | doi: 10.1007/JHEP03(2019)126 issn: 1029-8479 |
| Aparece en las colecciones: | (IFIC) Artículos |
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| 45_MeasurementOfTheRatioOfBranchi(2)_LHCB.pdf | 1,12 MB | Adobe PDF |  Visualizar/Abrir |
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