Low-energy implications of cosmological data in U(1)_X Higgs inflation

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dc.contributor.author Kawai, Shinsuke
dc.contributor.author Okada, Nobuchika
dc.contributor.author Okada, Satomi
dc.date.accessioned 2022-08-02T15:12:00Z
dc.date.available 2022-08-02T15:12:00Z
dc.date.issued 2021
dc.identifier.citation Kawai, S., Okada, N., & Okada, S. (2021). Low-energy implications of cosmological data in U(1)X Higgs inflation. In Physical Review D (Vol. 103, Issue 3). American Physical Society (APS). https://doi.org/10.1103/physrevd.103.035026 en_US
dc.identifier.uri https://ir.ua.edu/handle/123456789/8764
dc.description.abstract A scalar field having the Coleman-Weinberg type effective potential arises in various contexts of particle physics and serves as a useful framework for discussing cosmic inflation. According to recent studies based on the Markov chain Monte Carlo analysis, the coefficients of such an effective potential are severely constrained by the cosmological data. We investigate the impact of this observation on the physics beyond the Standard Model, focusing on an inflationary model based on the \(U\left(1{\right)}_{X}\)-extended Standard Model as a well-motivated example. We examine the parameter region that is not excluded by the Large Hadron Collider (LHC) run-2 at \(139\text{}\text{}{\mathrm{fb}}^{-1}\) integrated luminosity, and show that the model parameters can be further constrained by the high-luminosity LHC experiments in the near future. We also comment on the possible reheating mechanism and the dark matter candidates of this scenario. en_US
dc.description.uri https://doi.org/10.1103/PhysRevD.103.035026
dc.format.mimetype application/pdf
dc.language English
dc.rights.uri https://creativecommons.org/licenses/by/4.0/
dc.subject High Energy Physics - Phenomenology en_US
dc.subject Cosmology and Nongalactic Astrophysics en_US
dc.subject High Energy Physics - Experiment en_US
dc.title Low-energy implications of cosmological data in U(1)_X Higgs inflation en_US
dc.type text

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