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Search for a Standard Model Higgs Boson in the H -> ZZ -> l(+)l(-)v(v)over-bar Decay Channel with the ATLAS Detector
DESY, D-2000 Hamburg, Germany .
KTH, Skolan för teknikvetenskap (SCI), Fysik, Partikel- och astropartikelfysik.
KTH, Skolan för teknikvetenskap (SCI), Fysik, Partikel- och astropartikelfysik.ORCID-id: 0000-0002-8913-0981
Vise andre og tillknytning
Rekke forfattare: 30252011 (engelsk)Inngår i: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 107, nr 22, s. 221802-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

A search for a heavy standard model Higgs boson decaying via H -> ZZ -> l(+)l(-)v (v) over bar, where l = e, mu, is presented. It is based on proton-proton collision data at root s = 7 TeV, collected by the ATLAS experiment at the LHC in the first half of 2011 and corresponding to an integrated luminosity of 1.04 fb(-1). The data are compared to the expected standard model backgrounds. The data and the background expectations are found to be in agreement and upper limits are placed on the Higgs boson production cross section over the entire mass window considered; in particular, the production of a standard model Higgs boson is excluded in the region 340 < m(H) < 450 GeV at the 95% confidence level.

sted, utgiver, år, opplag, sider
2011. Vol. 107, nr 22, s. 221802-
Emneord [en]
HADRON COLLIDERS, COLLISIONS
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-52603DOI: 10.1103/PhysRevLett.107.221802ISI: 000297292200001Scopus ID: 2-s2.0-81855161474OAI: oai:DiVA.org:kth-52603DiVA, id: diva2:467187
Forskningsfinansiär
Swedish Research Council
Merknad
QC 20111219. Author count: 3025.Tilgjengelig fra: 2011-12-19 Laget: 2011-12-19 Sist oppdatert: 2017-12-08bibliografisk kontrollert

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