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The 750 GeV diphoton excess in unified SU(2)(L) x SU(2)(R) x SU(4) models from noncommutative geometry
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
Virginia Tech, Dept Phys, Ctr Neutrino Phys, Blacksburg, VA 24061 USA..
Virginia Tech, Dept Phys, Ctr Neutrino Phys, Blacksburg, VA 24061 USA..
Virginia Tech, Dept Phys, Ctr Neutrino Phys, Blacksburg, VA 24061 USA..
2016 (English)In: Modern Physics Letters A, ISSN 0217-7323, E-ISSN 1793-6632, Vol. 31, no 18, 1650101Article in journal (Refereed) PublishedText
Abstract [en]

We discuss a possible interpretation of the 750 GeV diphoton resonance, recently reported at the large hadron collider (LHC), within a class of SU(2)(L) x SU(2)(R) x SU(4) models with gauge coupling unification. The unification is imposed by the underlying noncommutative geometry (NCG), which in these models is extended to a left-right symmetric completion of the Standard Model (SM). Within such unified SU(2)(L) x SU(2)(R) x SU(4) models the Higgs content is restrictively determined from the underlying NCG, instead of being arbitrarily selected. We show that the observed cross-sections involving the 750 GeV diphoton resonance could be realized through a SM singlet scalar field accompanied by colored scalars, present in these unified models. In view of this result, we discuss the underlying rigidity of these models in the NCG framework and the wider implications of the NCG approach for physics beyond the SM.

Place, publisher, year, edition, pages
2016. Vol. 31, no 18, 1650101
Keyword [en]
Noncommutative geometry, left-right symmetric model, Pati-Salam model, colored scalars, LHC
National Category
Accelerator Physics and Instrumentation
Identifiers
URN: urn:nbn:se:uu:diva-299898DOI: 10.1142/S0217732316501017ISI: 000379143600002OAI: oai:DiVA.org:uu-299898DiVA: diva2:950378
Funder
Swedish Research Council, 621-2011-5107
Available from: 2016-07-29 Created: 2016-07-29 Last updated: 2016-07-29Bibliographically approved

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Aydemir, Ufuk
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High Energy Physics
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