TY - JOUR
T1 - SU(3) baryon resonance multiplets in large Nc QCD
AU - Cohen, Thomas D.
AU - Lebed, Richard
N1 - Funding Information:
T.D.C. was supported by the DOE through grant DE-FGO2-93ER-40762; R.F.L. was supported by the NSF through grant PHY-0140362.
PY - 2005/7/14
Y1 - 2005/7/14
N2 - 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.
AB - 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.
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U2 - 10.1016/j.physletb.2005.05.069
DO - 10.1016/j.physletb.2005.05.069
M3 - Article
AN - SCOPUS:20544433423
SN - 0370-2693
VL - 619
SP - 115
EP - 123
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
IS - 1-2
ER -