2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45735The proton form factors are reduced to vacuum correlators of 4 quark fields by assuming independent constituent quarks. The axial singlet quark and gluonic form factors are calculated in the instanton liquid model. A discussion of gauge(in)dependence is given.13 LaTeX pagesHigh Energy Physics - Phenomenologytext