2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/202662Gribov's theory of confinement offers a simple explanaton of the value of the pion nucleon sigma term. There is no need to invoke a large strange quark component in the nucleon.4 pages, Cavendish HEP 93/4High Energy Physics - Phenomenologytext