@article {Aaboud:2018djx,
	title = {{A search for pairs of highly collimated photon-jets in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector}},
	journal = {Phys. Rev. D},
	volume = {99},
	number = {1},
	year = {2019},
	pages = {012008},
	doi = {10.1103/PhysRevD.99.012008},
	author = {Aaboud, Morad and others}
}
