Observation of an excited charmed baryon decaying into Ξ0 c π+

CLEO Collaboration

Research output: Contribution to journalArticlepeer-review

Abstract

Using data recorded by the CLEO II detector at the Cornell Electron Storage Ring, we report the first observation of an excited charmed baryon decaying into Ξ0 cπ+. The state has mass difference M\(Ξ0 cπ+)-M(Ξ0 c\) of 174.3+/-0.5+/-1.0 MeV/c2, and a width of < 3.1 MeV/c2 (90% confidence level limit). We identify the new state as the Ξ*+ c, the isospin partner of the recently discovered Ξ*+ c.

Original languageEnglish (US)
Pages (from-to)810-813
Number of pages4
JournalPhysical review letters
Volume77
Issue number5
DOIs
StatePublished - 1996
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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