2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/53888We propose an action describing chiral fermions with an arbitrary gauge group and with manifest $(8,0)$ worldsheet supersymmetry. The form of the action is inspired by and adapted for completing the twistor-like formulation of the $D=10$ heterotic superstring.13 pages, LaTeXHigh Energy Physics - Theorytext