@inproceedings{Kano:2018sR, author = "Kano, Yuya", title = "{Search for pairs of highly collimated groupings of photons at 13 TeV with the ATLAS detector}", doi = "10.22323/1.321.0013", booktitle = "Proceedings of Sixth Annual Conference on Large Hadron Collider Physics {\textemdash} PoS(LHCP2018)", year = 2018, volume = "321", pages = "013" }