@misc{misc, title  = {{Observation of single-top-quark production in association with a photon
  using the ATLAS detector}},

 url = {{http://dx.doi.org/10.1103/PhysRevLett.131.181901 }},

 year = {{2023}},

 month = {{2}},

 author = {{Collaboration ATLAS}},

 note = {{Accessed on 2025/05/01}}}