CERN Accelerating science

ATLAS Note
Report number	ATL-PHYS-PROC-2011-282
Title	Search for the Higgs boson in the $H \to WW \to l\nu jj$ decay channel in $pp$ collisions at $\sqrt{s}$ = 7 TeV with the ATLAS detector
Author(s)	Jana, D (Oklahoma U.)
Corporate Author(s)	The ATLAS collaboration
Publication	2011
Imprint	21 Dec 2011
Number of pages	3
In:	25th International Symposium on Lepton Photon Interactions at High Energies, Mumbai, India, 22 - 27 Aug 2011
Subject category	Detectors and Experimental Techniques
Accelerator/Facility, Experiment	CERN LHC ; ATLAS
Free keywords	HIGGS
Abstract	A search for a Higgs boson has been performed in the $H \to WW \to l\nu jj$ channel using 1.04 $fb^{-1}$ of $pp$ collision data at $\sqrt{s}$ = 7 TeV recorded with the ATLAS detector at the Large Hadron Collider. No significant excess of events is observed over the expected Standard Model (SM) background and limits on the Higgs boson production cross section are derived for a Higgs boson mass in the range 240 GeV $\lt mH \lt$ 600 GeV. The best sensitivity is obtained for mH = 400 GeV, where the 95% confidence level upper bound on the cross section for $H \to WW$ production is 3.1 pb, or 2.7 times the Standard Model prediction.
Copyright/License	Preprint: (License: CC-BY-4.0)

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