Search for photons above 10^19 eV with the surface detector of the Pierre Auger Observatory - Abreu, Pedro T.; Catalani, Fernando; Souza, Vitor de; Oliveira, Cainã de; Armand, Johnnier Pérez; Santos, Edivaldo Moura; Peixoto, Carlos Jose Todero (Journal of Cosmology and Astroparticle Physics, 2023)