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Search for the Standard Model Higgs Boson in ZH -> l(+) l(-) b(b)over-bar Production with the D0 Detector in 9.7 fb(-1)of p(p)over-bar Collisions at root s=1.96 TeV
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2012 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 109, no 12, 121803- p.Article in journal (Refereed) Published
Abstract [en]

We present a search for the standard model (SM) Higgs boson produced in association with a Z boson in 9.7 fb(-1) of p (p) over bar collisions collected with the D0 detector at the Fermilab Tevatron Collider at root s = 1.96 TeV. Selected events contain one reconstructed Z -> e(+) e(-) or Z -> mu(+) mu(-)candidate and at least two jets, including at least one jet identified as likely to contain a b quark. To validate the search procedure, we also measure the cross section for ZZ production in the same final state. It is found to be consistent with its SM prediction. We set upper limits on the ZH production cross section times branching ratio for H -> b (b) over bar at the 95% C.L. for Higgs boson masses 90 <= M-H <= 150 GeV. The observed (expected) limit for M-H = 125 GeV is 7.1 (5.1) times the SM cross section.

Place, publisher, year, edition, pages
2012. Vol. 109, no 12, 121803- p.
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-183749DOI: 10.1103/PhysRevLett.109.121803ISI: 000309205500004OAI: oai:DiVA.org:uu-183749DiVA: diva2:564935
Available from: 2012-11-05 Created: 2012-11-01 Last updated: 2012-11-05Bibliographically approved

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Buszello, Claus. P.
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High Energy Physics
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