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ATLAS
PRELIMINARY
SM
Observation of an excess of events in the search for the Standard Model Higgs boson in the H→ZZ(∗)→4ℓH\rightarrow ZZ^{(*)}\rightarrow 4\ell channel with the ATLAS detector.

A search for the Standard Model Higgs boson in the decay channel H→ZZ(a^ˆ—)→l+la^ˆ’l′+l′a^ˆ’H\rightarrow ZZ^{(∗)} \rightarrow l+l−l'+l'−, where l,l′=e,μl,l' = e,\mu, using proton-proton collisions at sqrts=7sqrt{s}=7 and 8 TeV rec...