2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/180505Photon-tagged correlations may be useful to determine how the dense partonic medium produced in heavy-ion collisions affects the fragmentation of high-energy quarks and gluons into a leading hadron. In these proceedings, I discuss the kinematic requirements for the hadron and the prompt photon transverse momentum cuts. A case study at LHC energy, tagging on p_T > 20 GeV and p_T > 50 GeV photons, is then briefly examined.4 pages, 2 figures. To appear in the proceedings of the 19th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions (QM2006), Shanghai, China, 14-20 November 2006High Energy Physics - PhenomenologyNuclear ExperimentNuclear TheoryPhoton-tagged correlations in heavy-ion collisions: kinematic requirements and a case studytext