2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/42128The T-odd quark distrbutions are shown to vanish in the chiral sigma model in contrast to the opposite widespread opinion. This failure of the chiral sigma model is a feature of the model itself and has nothing to do with the recent progress in the clarification of the status of the T-odd distributions in QCD.3 pagesHigh Energy Physics - Phenomenologytext