1. CMS Collaboration (CMS), CMS-PAS-EXO-15-004 (2015)
2. The ATLAS collaboration, ATLAS-CONF-2015-081 (2015)
3. CMS Collaboration (CMS), CMS-PAS-EXO-16-018 (2016)
4. The ATLAS collaboration, ATLAS-CONF-2016-018 (2016)
5. Composite models for the 750 GeV diphoton excess