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Renormalization-group running of dimension-8 four-fermion operators in the SMEFT

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arxiv 2408.15378 v2 pith:JWITBZRN submitted 2024-08-27 hep-ph

Radja Boughezal , Yingsheng Huang , Frank Petriello This is my paper · ORCID
classification hep-ph
keywords dimension-8datarenormalization-grouprunningsmeftanalysiscoefficientsdrell-yan
verification ladder T0 review T1 audit T2 compute T3 formal
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We compute the renormalization-group equations governing the evolution of dimension-8 four-fermion operators in the Standard Model Effective Field Theory (SMEFT). We describe the calculation and present analytic results for both the full flavor structure of the SMEFT and with the assumption of minimal flavor violation. We present numerical results for the renormalization-group evolution of the coefficients, and study their impact on fits of the Large Hadron Collider (LHC) Drell-Yan data. The effects of running on the dimension-8 coefficients can reach 50\% or more when evolving from 10 TeV scale down to few-GeV energies relevant for the analysis of fixed-target data. However, the impact of the dimension-8 running on the analysis of Drell-Yan data from the LHC is minimal.

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Cited by 3 Pith papers

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

  1. Renormalization of general Effective Field Theories: Formalism and renormalization of bosonic operators

    hep-ph 2025-01 conditional novelty 7.0 of 10

    The authors compute, for the first time, the one-loop renormalization group equations of the bosonic operators of a completely general EFT up to mass dimension 6.

  2. Renormalization-group equations of the LEFT at two loops: dimension-five effects

    hep-ph 2024-12 conditional novelty 7.0 of 10

    The complete two-loop renormalization-group equations for the dimension-five LEFT sector, derived in a chirally symmetric scheme, with two methods that avoid gauge-variant nuisance operators.

  3. A Guide to Functional Methods Beyond One-Loop Order

    hep-ph 2024-12 conditional novelty 7.0 of 10

    Functional methods are generalized to two-loop EFT matching and running with manifest gauge covariance, and the hard-region matching formula is proven to all loop orders.

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