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

Publication Date
  • Physical
  • Chemical
  • Mathematical & Earth Sciences :: Physics [G04]
  • Physique
  • Chimie
  • Mathématiques & Sciences De La Terre :: Physique [G04]
  • Physics


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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