Comparative analysis of large Nc QCD and quark model approaches to baryons

Details Comparative analysis of large Nc QCD and quark model approaches to baryons Comparative analysis of large Nc QCD and quark model approaches to baryons

2009-03-19

arxiv.org/abs/0903.3340v1

Acta Physica Polonica B Proceedings Supplement 2, 223 (2009)

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in Acta Physica Polonica, proceedings of Excited QCD 2009 (Zakopane)

Scientific paper

We show that a remarkable compatibility exists between the results of a potential model with constituent quarks and the 1/Nc expansion mass formula for strange and nonstrange baryon resonances. Such compatibility brings support to the basic assumptions of relativistic quark models and sheds light on the physical content of the model-independent large Nc mass formula. Good agreement between both approaches is also found for heavy baryons, made of one heavy and two light quarks, in the ground state band.

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