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Search for the Standard Model Higgs boson in the decay channel H->ZZ(*)->4l with 4.8 fb-1 of pp collision data at sqrt(s) = 7 TeV with ATLAS

This paper concerns the search for the Higgs in the "golden" Higgs to ZZ to 4-lepton channel. Paganis contributed the original design and strategy of this analysis, which dates back to 2006-2008 when he convened the group. Novel additions/contributions to the original strategy include the determination of the significant Z+jets background which Paganis proposed and performed in Sheffield, the improvement of the electron performance at low energies, and the addition of QED photons (Higgs ->4l+photons). All these items increased the sensitivity of the search and were crucial to the discovery.