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SU(3) Baryon Resonance Multiplets in Large N_c QCD | | Thomas D. Cohen
; Richard F. Lebed
; | | Date: |
22 Apr 2005 | | Journal: | Phys.Lett. B619 (2005) 115-123 | | Subject: | hep-ph | | Abstract: | 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. | | Source: | arXiv, hep-ph/0504200 | | Services: | Forum | Review | PDF | Favorites | |
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