6533b871fe1ef96bd12d0bc4
RESEARCH PRODUCT
Search for a Standard Model Higgs boson in the mass range 200-600 GeV in the H -> ZZ -> l(+)l(-)q(q)over-bar decay channel with the ATLAS detector
Atlas CollaborationSusana Cabrera UrbánMaría Victoria Castillo GiménezMaría José Costa MezquitaAntonio Ferrer SoriaJuan A. Fuster VerdúCarmen García GarcíaJosé Enrique García NavarroSantiago González De La HozYesenia Hernández JiménezEmilio Higón RodríguezLuca FioriniMohammed KaciCarlos Lacasta LlácerVicente Lacuesta MiquelSalvador Martí GarcíaJosé Salt CairolsVasiliki MitsouEduardo Ros MartínezJuan Antonio Valls FerrerMiguel Villaplana Pérezsubject
Astrophysics::High Energy Astrophysical PhenomenaHigh Energy Physics::PhenomenologyHigh Energy Physics::ExperimentNuclear Experimentdescription
A search for a heavy Standard Model Higgs boson decaying via H -> ZZ -> l(+)l(-)q (q) over bar, where l = e or mu, is presented. The search uses a data set of pp collisions at root s = 7 TeV, corresponding to an integrated luminosity of 4.7 fb(-1) collected in 2011 by the ATLAS detector at the CERN LHC. No significant excess of events above the estimated background is found. Upper limits at 95% confidence level on the production cross section of a Higgs boson with a mass in the range between 200 and 600 GeV are derived. A Standard Model Higgs boson with a mass in the range 300 GeV <= m(H) 322 <= GeV or 353 GeV <= m(H) <= 410 GeV is excluded at 95% CL The corresponding expected exclusion range is 351 GeV <= m(H) <= 404 GeV at 95% CL.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2012-01-01 |