Features in the Standard Model diphoton background
classification
✦ hep-ph
hep-ex
keywords
diphotonelectromagneticfeaturesadditionalanalysisarguebackgroundbump-like
read the original abstract
We argue that electromagnetic decays of energetic unflavoured neutral mesons, notably $\eta$, mis-identified as single photons due to granularity of the electromagnetic calorimeter might create bump-like features in the diphoton invariant mass spectrum at different energies, including 750 GeV. We discuss what kind of additional analysis can exclude or confirm this hypothesis.
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