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Constraining the SMEFT at Present and Future Colliders
by Eugenia Celada
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Submission summary
| Authors (as registered SciPost users): | Eugenia Celada |
| Submission information | |
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| Preprint Link: | https://arxiv.org/abs/2412.08311v1 (pdf) |
| Date submitted: | 2024-12-12 14:52 |
| Submitted by: | Celada, Eugenia |
| Submitted to: | SciPost Physics Proceedings |
| Proceedings issue: | The 17th International Workshop on Top Quark Physics (TOP2024) |
| Ontological classification | |
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| Academic field: | Physics |
| Specialties: |
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Abstract
We present results from SMEFiT3.0, a global SMEFT fit of Higgs, top quark, and diboson production data from the LHC. Our updated analysis includes recent inclusive and differential measurements from the LHC Run II, together with the exact implementation of electroweak precision observables (EWPOs) from LEP and SLD. We then analyse the impact of HL-LHC measurements by adding to SMEFiT3.0 the projections obtained by extrapolating from Run II data. Finally we estimate the potential of two proposed high-energy circular $e^+e^-$ colliders, the FCC-ee and the CEPC, in further improving the bounds on the SMEFT parameters.
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Strengths
1. The paper provides a concise summary of the published Ref. [6]
2. The most interesting results are included, namely current bounds on SMEFT operators after LHC Run II, as well as projected bounds after the high-luminosity LHC run and achievable bounds if FCC-ee if built
3. The publication points out the relevance of quadratic contributions in the fit as opposed to a pure linear fit at dimension 6.
Weaknesses
1. Details of the methodology must be retrieved from Ref. [6]
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