Two-photon events (black) from the LHC ATLAS detector binned by their invariant mass. The excess at about 126 GeV over background (solid red line) may be due to a Higgs boson of that mass. Selected for an Editors' Suggestion and a Viewpoint in Physics.

From the article:

Search for the Standard Model Higgs Boson in the Diphoton Decay Channel with $4.9{\mathrm{fb}}^{-1}$ of $pp$ Collision Data at $\sqrt{s}=7\mathrm{TeV}$ with ATLAS
G. Aad et al. (ATLAS Collaboration)
Phys. Rev. Lett. 108, 111803 (2012)

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