SU(3) Baryon Resonance Multiplets in Large N_c QCD

Details SU(3) Baryon Resonance Multiplets in Large N_c QCD SU(3) Baryon Resonance Multiplets in Large N_c QCD

2005-04-21

arxiv.org/abs/hep-ph/0504200v1

Phys.Lett.B619:115-123,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

14 pages, ReVTeX

Scientific paper

10.1016/j.physletb.2005.05.069

We extend the recently developed treatment of baryon resonances in large N_c 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 J^P = 1/2^{+/-} resonance in the SU(3) representation that reduces to 10-bar when N_c = 3, and reproduce results hitherto obtained only in the context of a large N_c quark picture. While these specific quantum numbers represent one favored set for the possible pentaquark state Theta^+ (1540), the method is applicable to baryon resonances with any quantum numbers.

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