Measurement of the absolute branching fraction of Λc+→pKS0η decays

BESIII Collaboration

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Abstract

Based on 586 pb−1 of e+e annihilation data collected at a center-of-mass energy of s=4.6GeV with the BESIII detector at the BEPCII collider, the absolute branching fraction of Λc+→pKS0η decays is measured for the first time to be B(Λc+→pKS0η)=(0.414±0.084±0.028)%, where the first uncertainty is statistical and the second is systematic. The result is compatible with a previous CLEO result on the relative branching fraction [Formula-presented], and consistent with theoretical predictions of SU(3) flavor symmetry.

Original languageEnglish (US)
Article number136327
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume817
DOIs
StatePublished - Jun 10 2021

Bibliographical note

Publisher Copyright:
© 2021 The Author

Keywords

  • Absolute branching fraction
  • BESIII
  • Charmed baryon
  • Λ decays

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