2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/82240Chirally invariant Lagrangian containing nucleon, pion and chiral scalar fields is considered. A consistent scheme is proposed for obtaining the nonrelativistic operator of pion absorption by NN-pair taking into account the chiral scalar exchange. An important role of the contact interaction is pointed out.DLatex, 7 pages, 3 figuresNuclear Theorytext