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2019-03-22

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cc-by (c) LHCb Collaboration et al., 2019
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/162302

Measurement of the ratio of branching fractions of the decays Λ b0 → ψ(2S)Λ and Λ b0 → J/ψΛ

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Abstract

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.

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https://doi.org/10.1007/JHEP03(2019)126

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Hadrons, Física de partícules, Experiments

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Hadrons, Particle physics, Experiments

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Articles publicats en revistes (Física Quàntica i Astrofísica)
Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB))

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LHCb Collaboration, et al. Measurement of the ratio of branching fractions of the decays Λ b0 → ψ(2S)Λ and Λ b0 → J/ψΛ. Journal of High Energy Physics. 2019. Vol. 126. ISSN 1126-6708. [consulted: 6 of October of 2026]. Available at: https://hdl.handle.net/2445/162302

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