Renormalisation group evolution effects on global SMEFT analyses

A bstract Global analyses in the Standard Model Effective Field Theory (SMEFT) framework serve as a tool to probe potential directions of new physics. To break degeneracies between the Wilson coefficients of the SMEFT, it is essential to combine observables from various experiments. Since different observables entering global fits may be measured at different energy scales, it becomes increasingly important to account for this fact through the renormalisation group evolution (RGE) of the Wilson coefficients. In this work, we investigate the effects of the RGE on a global SMEFT fit under the assumption of a U(3) 5 symmetry within the minimal flavour violation framework. We comment on the role of next-to-leading order SMEFT predictions for breaking potential degeneracies between Wilson coefficients arising as a result of RGE effects.

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Publication Details

Journal
Journal of High Energy Physics
Published
2025-05-23
DOI
https://doi.org/10.1007/jhep05(2025)203
Citations
10
Primary Topic
Particle physics theoretical and experimental studies
Type
article
Field-Weighted Citation Impact
18.70

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article

Renormalisation group evolution effects on global SMEFT analyses

Tobias Hurth, Anke Biekötter, Riccardo Bartocci
10 citations
Journal of High Energy Physics
Particle physics theoretical and experimental studies
18.70
article

Renormalisation group evolution effects on global SMEFT analyses

Tobias Hurth, Anke Biekötter, Riccardo Bartocci
article en
10 citations

Abstract

A bstract Global analyses in the Standard Model Effective Field Theory (SMEFT) framework serve as a tool to probe potential directions of new physics. To break degeneracies between the Wilson coefficients of the SMEFT, it is essential to combine observables from various experiments. Since different observables entering global fits may be measured at different energy scales, it becomes increasingly important to account for this fact through the renormalisation group evolution (RGE) of the Wilson coefficients. In this work, we investigate the effects of the RGE on a global SMEFT fit under the assumption of a U(3) 5 symmetry within the minimal flavour violation framework. We comment on the role of next-to-leading order SMEFT predictions for breaking potential degeneracies between Wilson coefficients arising as a result of RGE effects.

Journal of High Energy PhysicsVol. 2025(5)
Johannes Gutenberg University Mainz (DE)
CERN, Deutsche Forschungsgemeinschaft
Openalex Percentile: Top 1%
Particle physics theoretical and experimental studies
18.70
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