2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/199678Beisert et al. have identified an integrable SU(2,2) quantum spin chain which gives the one-loop anomalous dimensions of certain operators in large N QCD. We derive a set of nonlinear integral equations (NLIEs) for this model, and compute the scattering matrix of the various (in particular, magnon) excitations.25 pages, 1 figure; v2: references addedHigh Energy Physics - TheoryThe QCD spin chain S matrixtext