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Electroweak production of Higgs boson pairs in 2HDMs
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics. (Theoretical high energy physics)ORCID iD: 0000-0003-0452-0671
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics. School of Physics and Astronomy, University of Manchester, UK. (Theoretical high energy physics)
School of Physics and Astronomy, University of Southampton, UK.
Korea Institute for Advanced Study, Seoul, Korea.
2017 (English)Conference paper, Published paper (Other academic)
Abstract [en]

One of the main features of a Two-Higgs Doublet Model (2HDM) is the presence of two additional neutral Higgs states, besides the one mimicking the ~125 GeV state observed at the LHC. The three Higgs bosons of a 2HDM can be produced at the LHC either singly via gluon fusion or in pairs with each other. When analyzing their pair production, the emphasis is laid on gluon-initiated processes, and the electroweak (EW) production is generally not treated on the same footing, assuming its contribution to be highly subleading. We show here that when the sum of the masses of the lightest scalar and pseudoscalar Higgs bosons in the Type-I 2HDM is smaller than the Z-boson mass, their EW pair production can dominate over QCD pair production by orders of magnitude.

Place, publisher, year, edition, pages
2017.
National Category
Subatomic Physics
Research subject
Physics with specialization in Elementary Particle Physics
Identifiers
URN: urn:nbn:se:uu:diva-391452OAI: oai:DiVA.org:uu-391452DiVA, id: diva2:1345083
Conference
38th International Conference on High Energy Physics (ICHEP2016), August 3-10, Chicago, USA
Available from: 2019-08-22 Created: 2019-08-22 Last updated: 2019-10-10Bibliographically approved

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arXiv:1704.06405

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CiteExportLink to record
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