ATLAS

PRELIMINARY

SM

Search for a high-mass Higgs boson in the

H \rightarrow WW \rightarrow l\nu l\nu

decay channel with the ATLAS detector using 21 fb

^{-1}

of proton-proton collision data

A search by the ATLAS experiment at the Large Hadron Collider for a Higgs boson in the $H \rightarrow WW \rightarrow \ell\nu \ell\nu$ channel in the range 260 GeV <~m_H~< 1 TeV is presented. The analysis uses proton-proton collision data at a centre-of-mass energy of 8 TeV corresponding to an integrated luminosity of 20.7 fb $^{-1}$ . A Higgs boson with Standard Model-like couplings is excluded at 95\% confidence level in the mass range 260 GeV $<m_H<$ 642 GeV.

Files

http://cds.cern.ch/record/1562879/files/ATLAS-CONF-2013-067.pdf

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