Large-Nc nuclear potential puzzle

A. V. Belitsky, T. D. Cohen

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


An analysis of the baryon-baryon potential from the point of view of large-Nc QCD is performed. A comparison is made between the Nc-scaling behavior directly obtained from an analysis at the quark-gluon level to the Nc scaling of the potential for a generic hadronic field theory in which it arises via meson exchanges and for which the parameters of the theory are given by their canonical large-Nc scaling behavior. The purpose of this comparison is to use large-Nc consistency to test the widespread view that the interaction between nuclei arises from QCD through the exchange of mesons. Although at the one- and two-meson exchange level the scaling rules for the potential derived from the hadronic theory matches the quark-gluon level prediction, at the three- and higher-meson exchange level a generic hadronic theory yields a potential which scales with Nc faster than that of the quark-gluon theory.

Original languageEnglish (US)
Article number064008
Pages (from-to)640081-640089
Number of pages9
JournalPhysical Review C - Nuclear Physics
Issue number6
StatePublished - Jun 2002
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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