LHC collision event at CMS showing two muons and two electrons (CMS Higgs search)

Real CMS events in which two muons (light purple lines) and two electrons (dark orange lines and yellow towers) are observed in proton-proton collisions at a centre-of-mass energy of 8 TeV. The event shows characteristics expected from the decay of a Higgs boson but is also consistent with background Standard Model physics processes.