2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/194592This paper is devoted to the calculation of the Reggeized quark-Reggeized quark-gluon effective vertex in perturbative QCD in the next-to-leading order. The case of QCD with massless quarks is considered and the correction is obtained in the D->4 limit. This vertex appears in the quark Reggeization theory, which next-to-leading order extension is now under construction.20 pages, 3 figures, elsart documetclassHigh Energy Physics - Phenomenologytext