Matches in SemOpenAlex for { <https://semopenalex.org/work/W4384206412> ?p ?o ?g. }
- W4384206412 abstract "The aim of this paper is to highlight the challenges and potential gains surrounding a coherent description of physics from the high-energy scales of inflation down to the lower energy scales probed in particle-physics experiments. As an example, we revisit the way inflation can be realized within an effective minimal supersymmetric standard model (eMSSM), in which the $LLe$ and $udd$ flat directions are lifted by the combined effect of soft-supersymmetric-breaking masses already present in the MSSM, together with the addition of effective nonrenormalizable operators. We clarify some features of the model and address the question of the one-loop renormalization group improvement of the inflationary potential, discussing its impact on the fine-tuning of the model. We also compare the parameter space that is compatible with current observations (in particular the amplitude, ${A}_{mathrm{S}}$, and the spectral index, ${n}_{mathrm{S}}$, of the primordial cosmological fluctuations) at tree level and at one loop, and discuss the role of reheating. Finally we perform combined fits of particle and cosmological observables (mainly ${A}_{mathrm{S}}$, ${n}_{mathrm{S}}$, the Higgs mass, and the cold-dark-matter energy density) with the one-loop inflationary potential applied to some examples of dark-matter annihilation channels (Higgs-funnel, Higgsinos and A-funnel), and discuss the status of the ensuing MSSM spectra with respect to the LHC searches." @default.
- W4384206412 created "2023-07-14" @default.
- W4384206412 creator A5017525149 @default.
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- W4384206412 creator A5076550631 @default.
- W4384206412 creator A5090991064 @default.
- W4384206412 date "2023-07-13" @default.
- W4384206412 modified "2023-10-17" @default.
- W4384206412 title "MSSM inflation revisited: Toward a coherent description of high-energy physics and cosmology" @default.
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