Observation of the decays χ cJ → nKS0Λ¯ + c.c.

The BESIII Collaboration

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Abstract

By analyzing 4.48 × 108ψ(3686) events collected with the BESIII detector, we observe the decays χcJ → nKS0Λ¯ + c.c. (J = 0, 1, 2) for the first time, via the radiative transition ψ(3686) → γχcJ. The branching fractions are determined to be (6.65 ± 0.26stat ± 0.41syst) × 10−4, (1.66 ± 0.12stat ± 0.12syst) × 10−4, and (3.58 ± 0.16stat ± 0.23syst) × 10−4 for J = 0, 1, and 2, respectively. [Figure not available: see fulltext.].

Original languageEnglish (US)
Article number217
JournalJournal of High Energy Physics
Volume2021
Issue number11
DOIs
StatePublished - Nov 2021

Bibliographical note

Publisher Copyright:
© 2021, The Author(s).

Keywords

  • e-e Experiments

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