@inproceedings{Chen:2019aS, author = "Chen, Long and Heinrich, Gudrun and Jahn, Stephan and P. Jones, Stephen and Kerner, Matthias and Schlenk, Johannes and Yokoya, Hiroshi", title = "{Photon pair production in gluon fusion: Top quark effects around threshold}", doi = "10.22323/1.375.0026", booktitle = "Proceedings of 14th International Symposium on Radiative Corrections {\textemdash} PoS(RADCOR2019)", year = 2019, volume = "375", pages = "026" }