SU(3) baryon resonance multiplets in large Nc QCD

Thomas D. Cohen, Richard Lebed

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

We extend the recently developed treatment of baryon resonances in large Nc QCD to describe resonance multiplets collected according to the SU(3) flavor symmetry that includes strange quarks. As an illustration we enumerate the SU(3) partners of a hypothetical JP=1/2 ± resonance in the SU(3) representation that reduces to 10 when Nc=3, and reproduce results hitherto obtained only in the context of a large Nc quark picture. While these specific quantum numbers represent one favored set for the possible pentaquark state Θ+(1540), the method is applicable to baryon resonances with any quantum numbers.

Original languageEnglish (US)
Pages (from-to)115-123
Number of pages9
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume619
Issue number1-2
DOIs
StatePublished - Jul 14 2005

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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