Measurement of the ratio of branching fractions of the decays Λb0 → ψ(2S)Λ and Λb0 → J/ψΛ

The LHCb Collaboration

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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
is determined. The first uncertainty is statistical, the second is systematic and the third is due to the external branching fractions used.
Original languageEnglish
Article number126
Number of pages16
JournalJournal of High Energy Physics
Issue number3
Publication statusPublished - 2019
Externally publishedYes


  • B physics
  • Branching fraction
  • Flavor physics
  • Hadron-Hadron scattering (experiments)

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