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The latest results on the direct experimental search for a Standard ModelHiggs boson decaying to a pair of Z bosons are presented. Three distinct finalstates are considered: $H\rightarrow ZZ^{(*)}\rightarrow \ell\ell\ell\ell$,$H\rightarrow ZZ\rightarrow \ell\ell\nu\nu$, and $H\rightarrow ZZ\rightarrow\ell\ell qq$, where $\ell = e, \mu$. A dataset of more than 1fb$^{-1}$ ofproton-proton collisions at $\sqrt{s} = 7$ TeV collected by the ATLAS detectorat the CERN LHC during the on-going 2011 run is used. In this model and forthese final states, Higgs boson masses in the ranges 192 GeV $< m_H < $ 196GeV, 214 $ < m_H < $ 222 GeV, and 340 $< m_H < $ 460 GeV have been excluded atthe 95% confidence level.

Standard Model $H\rightarrow ZZ^{(*)}\rightarrow \ell\ell\ell\ell$, $\ell\ell\nu\nu$, $\ell\ell qq$ Searches with ATLAS at the LHC