2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45012Little information is known about the polarization of gluons inside a longitudinally polarized proton. I report on the sensitivity of photoproduction experiments to it. Both jet and heavy quark production are considered.talk given at the International Europhysics Conference on High Energy Physics, Marseille, July 22--28 1993. Latex, 5 pages + 2 postscript figures encoded with uufile, FSU-HEP-931026. A postscript file with text and embedded figures is available via anonymous ftp at hepsg1.physics.fsu.edu, file is /pub/keller/fsu-hep-931026.psHigh Energy Physics - Phenomenologytext