Search for the Standard Model Higgs boson through the H -> ZZ -> (llnunu,llqq) decay channels with the ATLAS detector

Searches for a heavy Standard Model (SM) Higgs boson decaying via H -> ZZ -> llqq or H -> ZZ -> llnunu, where l = e,mu, are presented. The analyses are based on proton-proton collision data at sqrt(s)=7 TeV, collected by the ATLAS experiment at the CERN LHC during 2011 and corresponding...

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Autor principal: Gwilliam, C B
Lenguaje:eng
Publicado: 2012
Materias:
Detectors and Experimental Techniques
Acceso en línea:http://cds.cern.ch/record/1495803
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author Gwilliam, C B
author_facet Gwilliam, C B
author_sort Gwilliam, C B
collection CERN
description Searches for a heavy Standard Model (SM) Higgs boson decaying via H -> ZZ -> llqq or H -> ZZ -> llnunu, where l = e,mu, are presented. The analyses are based on proton-proton collision data at sqrt(s)=7 TeV, collected by the ATLAS experiment at the CERN LHC during 2011 and corresponding to an integrated luminosity of 4.7~fb^-1. No significant excess of data above the expected SM background is observed in either channel. Upper limits on the production cross section for a Higgs boson with a mass in the range between 300 and 600~GeV are derived. The H -> ZZ -> llqq decay channel excludes a SM Higgs boson in the mass ranges 300-322 GeV and 353-410 GeV, while the H -> ZZ -> llnunu channel excludes a wide mass range between 319-558 GeV, both at 95% CL.
id cern-1495803
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2012
record_format invenio
spelling cern-14958032019-09-30T06:29:59Zhttp://cds.cern.ch/record/1495803engGwilliam, C BSearch for the Standard Model Higgs boson through the H -> ZZ -> (llnunu,llqq) decay channels with the ATLAS detectorDetectors and Experimental TechniquesSearches for a heavy Standard Model (SM) Higgs boson decaying via H -> ZZ -> llqq or H -> ZZ -> llnunu, where l = e,mu, are presented. The analyses are based on proton-proton collision data at sqrt(s)=7 TeV, collected by the ATLAS experiment at the CERN LHC during 2011 and corresponding to an integrated luminosity of 4.7~fb^-1. No significant excess of data above the expected SM background is observed in either channel. Upper limits on the production cross section for a Higgs boson with a mass in the range between 300 and 600~GeV are derived. The H -> ZZ -> llqq decay channel excludes a SM Higgs boson in the mass ranges 300-322 GeV and 353-410 GeV, while the H -> ZZ -> llnunu channel excludes a wide mass range between 319-558 GeV, both at 95% CL.ATL-PHYS-PROC-2012-261oai:cds.cern.ch:14958032012-11-25
spellingShingle Detectors and Experimental Techniques
Gwilliam, C B
Search for the Standard Model Higgs boson through the H -> ZZ -> (llnunu,llqq) decay channels with the ATLAS detector
title Search for the Standard Model Higgs boson through the H -> ZZ -> (llnunu,llqq) decay channels with the ATLAS detector
title_full Search for the Standard Model Higgs boson through the H -> ZZ -> (llnunu,llqq) decay channels with the ATLAS detector
title_fullStr Search for the Standard Model Higgs boson through the H -> ZZ -> (llnunu,llqq) decay channels with the ATLAS detector
title_full_unstemmed Search for the Standard Model Higgs boson through the H -> ZZ -> (llnunu,llqq) decay channels with the ATLAS detector
title_short Search for the Standard Model Higgs boson through the H -> ZZ -> (llnunu,llqq) decay channels with the ATLAS detector
title_sort search for the standard model higgs boson through the h -> zz -> (llnunu,llqq) decay channels with the atlas detector
topic Detectors and Experimental Techniques
url http://cds.cern.ch/record/1495803
work_keys_str_mv AT gwilliamcb searchforthestandardmodelhiggsbosonthroughthehzzllnunullqqdecaychannelswiththeatlasdetector

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