@article{article, title  = {{Observation of top-quark pair production in association with a photon and measurement of the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>t</mml:mi><mml:mover accent="true"><mml:mrow><mml:mi>t</mml:mi></mml:mrow><mml:mrow><mml:mo accent="true" stretchy="false">¯</mml:mo></mml:mrow></mml:mover><mml:mi>γ</mml:mi></mml:mrow></mml:math>production cross section in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>p</mml:mi><mml:mi>p</mml:mi></mml:math>collisions at<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msqrt><mml:mrow><mml:mi>s</mml:mi></mml:mrow></mml:msqrt><mml:mo>=</mml:mo><mml:mn>7</mml:mn></mml:mrow></mml:math>TeV using the ATLAS detector}},

 publisher = {{American Physical Society (APS)}},

 url = {{https://doi.org/10.1103/physrevd.91.072007 }},

 year = {{2015}},

 month = {{4}},

 author = {{Aad G and Abbott B and Abdallah J and Abdel Khalek S and Abdinov O and Aben R and Abi B and Abolins M and AbouZeid OS and Abramowicz H and Abreu H et al}},

 doi = {{10.1103/physrevd.91.072007}},

 volume = {{91}},

 journal = {{Physical Review D}},

 issue = {{7}},

 note = {{Accessed on 2025/11/07}}}