2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45147This is a broad-brush introduction to the theory of spin in quantum field theory, presented at the 1993 SLAC Summer Institute. It may be useful for beginning students.67pp (phyzzx) (text only; complete paper with figures available by anonymous ftp at ftp://preprint.slac.stanford.edu/pub/preprints/hep-ph/9405 )High Energy Physics - Phenomenologytext