1. ATLAS Collaboration, Search for resonances decaying to photon pairs in 3.2 inverse fb of pp collisions at $$\sqrt{s}$$ s = 13 TeV with the ATLAS detector, ATLAS-CONF-2015-081
2. CMS Collaboration, Search for new physics in high mass diphoton events in proton-proton collisions at 13 TeV, CMS PAS EXO-15-004
3. L.D. Landau, On the angular momentum of a system of two photons. Dokl. Akad. Nauk Ser. Fiz. 60(2), 207–209 (1948)
4. C.-N. Yang, Selection rules for the dematerialization of a particle into two photons. Phys. Rev. 77, 242–245 (1950)
5. K. Harigaya, Y. Nomura, Composite models for the 750 GeV diphoton excess. Phys. Lett. B 754, 151–156 (2016). arXiv:1512.04850