New relations for excited baryons in large-Nc QCD

Thomas D. Cohen, Richard Lebed

Research output: Contribution to journalArticlepeer-review

65 Scopus citations

Abstract

In large-Nc QCD, the masses and widths of excited baryons was shown to form multiplets of states with degenerate masses and widths labeled by K. The quantum numbers of states in these multiplet were given. Simple quark models describing the lowest-lying excited baryons as single-quark excitations reproduce the same pattern of degenerate multiplets in the large-Nc limit as that seen directly in large-Nc QCD.

Original languageEnglish (US)
Article number012001
Pages (from-to)012001/1-012001/4
JournalPhysical Review Letters
Volume91
Issue number1
StatePublished - Jul 4 2003

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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