@article{articleec16e78a, title = {A search for photons with energies above 2×1017eV using hybrid data from the low-energy extensions of the Pierre Auger Observatory}, author = {Abreu, P. and Catalani, Fernando and Oliveira, Cainã de and Santos, Edivaldo Moura and Souza, Vitor de and Peixoto, Carlos Jose Todero}, year = {2022}, doi = {10.3847/1538-4357/ac7393}, journal = {Astrophysical Journal} }