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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

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sword-2021-04-30T12:36:04.original.xml (130 B)
Original SWORD entry document
Date Issued
March 1, 2019
Journal
Journal of High Energy Physics
Version
Final published version
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.]
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DOI of Published Version
10.1007/JHEP03(2019)126
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