Drell-Hearn-Gerasimov Sum Rule for the Nucleon in the Large-N_c Limit

Details Drell-Hearn-Gerasimov Sum Rule for the Nucleon in the Large-N_c Limit Drell-Hearn-Gerasimov Sum Rule for the Nucleon in the Large-N_c Limit

1999-05-13

arxiv.org/abs/hep-ph/9905334v1

Phys.Lett. B474 (2000) 251-254

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, latex, no figures

Scientific paper

10.1016/S0370-2693(00)00038-1

We show that the Drell-Hearn-Gerasimov sum rule for the nucleon is entirely
saturated by the \Delta resonance in the limit of a large number of colors, N_c
\to \infty. Corrections are at relative order 1/N_c^2.

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