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Search for the standard model Higgs boson produced in association with W and Z bosons in pp collisions at root s=7 TeV

Chatrchyan, S; Khachatryan, V; Sirunyan, AM; Tumasyan, A; Adam, W; Aguilo, E; Bergauer, T; ... Collaboration, CMS; + view all (2012) Search for the standard model Higgs boson produced in association with W and Z bosons in pp collisions at root s=7 TeV. Journal Of High Energy Physics , 2012 (11) , Article 88. 10.1007/JHEP11(2012)088. Green open access

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Abstract

A search for the Higgs boson produced in association with a W or Z boson in proton-proton collisions at a center-of-mass energy of 7 TeV is performed with the CMS detector at the LHC using the full 2011 data sample, from an integrated luminosity of 5 fb−1. Higgs boson decay modes to ττ and WW are explored by selecting events with three or four leptons in the final state. No excess above background expectations is observed, resulting in exclusion limits on the product of Higgs associated production cross section and decay branching fraction for Higgs boson masses between 110 and 200 GeV in these channels. Combining these results with other CMS associated production searches using the same dataset in the H→ γγ and H→ b b¯ decay modes, the cross section for associated Higgs boson production 3.3 times the standard model expectation or larger is ruled out at the 95% confidence level for a Higgs boson mass of 125 GeV.

Type: Article
Title: Search for the standard model Higgs boson produced in association with W and Z bosons in pp collisions at root s=7 TeV
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/JHEP11(2012)088
Publisher version: http://dx.doi.org/10.1007/JHEP11(2012)088
Language: English
Additional information: This article is distributed under a CC BY 4.0 license [http://creativecommons.org/licenses/by/4.0/], which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Keywords: Hadron-Hadron Scattering
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/1346166
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