TY - GEN AU - The Pierre Auger collaboration PY - 2023 UR - https://hdl.handle.net/10481/85140 AB - We use the surface detector of the Pierre Auger Observatory to search for air showers initiated by photons with an energy above 1019 eV. Photons in the zenith angle range from 30 to 60 can be identified in the overwhelming background of showers... LA - eng PB - IOPScience KW - Cosmic ray experiments KW - Gamma ray detectors KW - Ultra high energy cosmic rays KW - Ultra high energy KW - Photons and neutrinos TI - Search for photons above 1019 eV with the surface detector of the Pierre Auger Observatory DO - 10.1088/1475-7516/2023/05/021 ER -