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Analytic results for electroweak precision observables at NLO in SMEFT

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arxiv 2503.07724 v1 pith:3F7R6SEU submitted 2025-03-10 hep-ph

Anke Biekötter , Benjamin D. Pecjak This is my paper · ORCID
classification hep-ph
keywords resultssmeftelectroweakanalyticobservablesprecisionalongassess
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We present analytic results for electroweak precision observables (EWPO) at next-to-leading order (NLO) in dimension-six SMEFT, with no assumptions on the flavour structure of SMEFT Wilson coefficients. The results are given in five different electroweak input schemes, thus offering a simple means, along with scale variations, of estimating theory uncertainties related to higher-order terms in the SMEFT expansion. Our results will be useful to assess the constraining power of existing and future lepton colliders for new physics scenarios.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Positivity in the Renormalization of Effective Field Theory

    hep-ph 2025-05 conditional novelty 8.0 of 10

    A general theorem fixes the sign of one-loop renormalization of even-dimension EFT couplings induced by equal-even-dimension operator pairs, with applications to SMEFT dimension-eight running and new non-renormalizati...

  2. Electroweak precision observables at NLL order in the SMEFT

    hep-ph 2026-08 accept novelty 6.0 of 10

    SMEFT electroweak precision predictions can be upgraded to NLL accuracy using two-loop renormalization-group evolution plus one-loop matching, yielding complete 210-coefficient expressions and stronger indirect new-ph...

  3. Accuracy complements energy: electroweak precision tests at Tera-Z

    hep-ph 2024-12 conditional novelty 5.0 of 10

    Z-pole precision at a Tera-Z factory gives projected sensitivities to Higgs and gauge SMEFT operators that are competitive with, and complementary to, higher-energy runs such as WW and ZH.

  4. Cornering Natural SUSY at a Tera-$Z$ Factory

    hep-ph 2025-07 conditional novelty 4.0 of 10

    FCC-ee's Tera-Z electroweak precision program could probe natural supersymmetric particles up to multi-TeV masses, sometimes better than Higgs coupling measurements, assuming Standard Model theory uncertainties can be...

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