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Search for charged Higgs bosons: combined results using LEP data

ALEPH Collaboration, ; DELPHI Collaboration, ; L3 Collaboration, ; OPAL Collaboration, ; The LEP working group for Higgs boson searches, ; (2013) Search for charged Higgs bosons: combined results using LEP data. The European Physical Journal C , 73 , Article 2463. 10.1140/epjc/s10052-013-2463-1. Green open access

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Abstract

The four LEP collaborations, ALEPH, DELPHI, L3 and OPAL, have searched for pair-produced charged Higgs bosons in the framework of Two Higgs Doublet Models (2HDMs). The data of the four experiments have been statistically combined. The results are interpreted within the 2HDM for Type I and Type II benchmark scenarios. No statistically significant excess has been observed when compared to the Standard Model background prediction, and the combined LEP data exclude large regions of the model parameter space. Charged Higgs bosons with mass below 80 GeV/c2GeV/c2 (Type II scenario) or 72.5 GeV/c2GeV/c2 (Type I scenario, for pseudo-scalar masses above 12 GeV/c2GeV/c2 ) are excluded at the 95 % confidence level.

Type: Article
Title: Search for charged Higgs bosons: combined results using LEP data
Open access status: An open access version is available from UCL Discovery
DOI: 10.1140/epjc/s10052-013-2463-1
Publisher version: http://dx.doi.org/10.1140/epjc/s10052-013-2463-1
Language: English
Additional information: Copyright © The Author(s) 2013. This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
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/1519554
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