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New LHC benchmarks for the CP-conserving two-Higgs-doublet model
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Number of Authors: 2
2015 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 75, no 10, 491Article in journal (Refereed) Published
Abstract [en]

We introduce a strategy to study the parameter space of the general, CP-conserving, two-Higgs-doublet Model (2HDM) with a softly broken Z(2)-symmetry by means of a new hybrid basis. In this basis the input parameters are the measured values of the mass of the observed Standard Model (SM)-like Higgs boson and its coupling strength to vector boson pairs, the mass of the second CP-even Higgs boson, the ratio of neutral Higgs vacuum expectation values, and three additional dimensionless parameters. Using the hybrid basis, we present numerical scans of the 2HDM parameter space where we survey available parameter regions and analyze model constraints. From these results, we define a number of benchmark scenarios that capture different aspects of non-standard Higgs phenomenology that are of interest for future LHC Higgs searches.

Place, publisher, year, edition, pages
2015. Vol. 75, no 10, 491
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-125816DOI: 10.1140/epjc/s10052-015-3697-xISI: 000366311800001OAI: oai:DiVA.org:su-125816DiVA: diva2:896376
Available from: 2016-01-21 Created: 2016-01-18 Last updated: 2016-01-21Bibliographically approved

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Stål, Oscar
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