Constraining four-heavy-quark operators with top-quark, Higgs, and electroweak precision data

Journal of High Energy Physics 2026 Open access

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Authors: Stefano Di Noi, H. El Faham, Ramona Gröber, Marco Vitti, Eleni Vryonidou
DOI: 10.1007/jhep01(2026)025
Cited by: 3
References: 93

Abstract

A bstract We establish constraints on the dimension-six four-heavy-quark operators in the Standard Model Effective Field Theory (SMEFT) by synthesising LHC measurements of top-quark and single-Higgs production with electroweak precision observables. We scrutinise the choice of the γ 5 scheme in single-Higgs calculations, demonstrating its non-negligible impact on SMEFT fits.

Fields of Study & Subjects

Particle physics theoretical and experimental studies Computational Physics and Python Applications Neutrino Physics Research

Publication details

Journal / source
Journal of High Energy Physics
Publisher
Springer Science and Business Media LLC
Volume
2026
Issue
1
Publication date
5 January 2026
Language
EN