Year: 2026
Type: article
Abstract: A bstract We present a systematic functional approach to calculating symmetry-restoring counterterms in Effective Field Theories (EFTs) regulated using the Breitenlohner-Maison-’t Hooft-Veltman (BMHV) scheme. Building on a recently developed method that employs auxiliary spurion fields, our approach automates the extraction of these counterterms directly from the one-loop effective action, offering a streamlined and efficient procedure. We demonstrate its efficacy by applying it to the Standard Model Effective Field Theory (SMEFT) at dimension six, providing the first complete determination of its symmetry-restoring counterterms in the BMHV scheme. Our work establishes a robust foundation for consistent one-loop matching and two-loop running computations in EFTs with chiral gauge symmetries.
Source: Journal of High Energy Physics
Institutions: Universidad de Granada, University of Bern
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: diamond
Awards: G1165570487, G1175115578, G1989904170, G210041235, G2262748287, G2601397997, Matching and Running: Improved Precision in the Hunt for New Physics, G2863668859, G300979063, On-Surface Magnetochemistry, G34346518, G3480869486, G3681454997, G4042783231, G425668148, Flavour Physics beyond the Standard Model, G5080475149, G5195188938, G6533733065, G7084143925, VLSI-Systeme mit optischen Verbindungen - Vorstudie der technologischen Machbarkeit -
OpenAlex ID: W7130419143