Measurement of the ratio of branching fractions of the decays Λ <inf>b</inf><sup>0</sup> → ψ(2S)Λ and Λ <inf>b</inf><sup>0</sup> → J/ψΛ



Aaij, R, Adeva, B, Adinolfi, M, Ajaltouni, Z, Akar, S, Albrecht, J, Alessio, F, Alexander, M, Alfonso Albero, A, Ali, S
et al (show 90 more authors) (2019) Measurement of the ratio of branching fractions of the decays Λ <inf>b</inf><sup>0</sup> → ψ(2S)Λ and Λ <inf>b</inf><sup>0</sup> → J/ψΛ. Journal of High Energy Physics, 2019 (3).

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Abstract

© 2019, The Author(s). 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 fractionsℬ(Λb0→ψ(2S)Λ)/ℬ(Λb0→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.[Figure not available: see fulltext.]

Item Type: Article
Depositing User: Symplectic Admin
Date Deposited: 08 May 2019 08:58
Last Modified: 27 Nov 2021 09:22
DOI: 10.1007/JHEP03(2019)126
Open Access URL: https://doi.org/10.1007/JHEP03(2019)126
URI: https://livrepository.liverpool.ac.uk/id/eprint/3040213