Baryon-Pion Scattering in the 1/N_c Expansion: Tree Diagram Cancellations
classification
✦ hep-ph
keywords
treeamplitudesbaryonbaryon-pionexpansionmassorderscattering
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Tree amplitudes for baryon-pion scattering are studied in the 1/N_c expansion. Generalized large-N_c consistency conditions are obtained to all orders in baryon mass splittings. For baryons with spin J ~ O(1), the leading order in N_c tree amplitudes can be evaluated keeping only terms up to a given finite order in baryon mass splittings.
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