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Varying gauge couplings and collider phenomenology
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Theoretical Physics.
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. Swedish Collegium for Advanced Study, Thunbergsvägen 2, SE-752 38 Uppsala, Sweden. (Theoretical high energy physics)ORCID iD: 0000-0002-8287-0864
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics. (Theoretical high energy physics)ORCID iD: 0000-0001-7268-549X
2019 (English)In: Physical Review D. Particles and fields, ISSN 0556-2821, E-ISSN 1089-4918, Vol. 100, no 5, article id 055028Article in journal (Refereed) Published
Abstract [en]

In this paper we investigate a natural extension of the Standard Model that involves varying coupling constants. This is a general expectation in any fundamental theory such as string theory, and there are good reasons for why new physics could appear at reachable energy scales. We investigate the collider phenomenology of models with varying gauge couplings where the variations are associated with real singlet scalar fields. We introduce three different heavy scalar fields that are responsible for the variations of the three gauge couplings of the Standard Model. This gives rise to many interesting collider signatures that we explore, resulting in exclusion limits based on the most recent LHC data, and predictions of the future discovery potential at the high-luminosity LHC.

Place, publisher, year, edition, pages
American Physical Society, 2019. Vol. 100, no 5, article id 055028
National Category
Subatomic Physics
Research subject
Physics with specialization in Elementary Particle Physics; Theoretical Physics
Identifiers
URN: urn:nbn:se:uu:diva-384700DOI: 10.1103/PhysRevD.100.055028ISI: 000486644000010OAI: oai:DiVA.org:uu-384700DiVA, id: diva2:1321301
Funder
Swedish Research Council, 2015-04814Available from: 2019-06-07 Created: 2019-06-07 Last updated: 2019-10-31Bibliographically approved

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Publisher's full textarXiv:1905.11314

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