Observation of the doubly charmed baryon decay Ξ++cc→Ξ′+cπ+

Mick Mulder, K. De Bruyn, C. J. G. Onderwater, M. van Veghel, LHCb Collaboration

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The Ξcc++→Ξc′+π+ decay is observed using proton-proton collisions collected by the LHCb experiment at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.4 fb−1. The Ξcc++→Ξc′+π+ decay is reconstructed partially, where the photon from the Ξc′+→Ξc+γ decay is not reconstructed and the pK−π+ final state of the Ξc+ baryon is employed. The Ξcc++→Ξc′+π+branching fraction relative to that of the Ξcc++→Ξc+π+ decay is measured to be 1.41 ± 0.17 ± 0.10, where the first uncertainty is statistical and the second systematic. [Figure not available: see fulltext.]
Original languageEnglish
Article number38
JournalJournal of High Energy Physics
Issue number5
Publication statusPublished - 6-May-2022


  • Charm Physics
  • Flavour Physics
  • Hadron-Hadron Scattering
  • Proton-Proton Scattering

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