Top, Higgs, Diboson and Electroweak Fit to the Standard Model Effective Field Theory
Maeve Madigan
TL;DR
This paper presents a comprehensive global fit of the Standard Model Effective Field Theory (SMEFT) to various collider observables, highlighting constraints from top quark data and the importance of a combined analysis of Higgs, top, and electroweak sectors.
Contribution
It provides the first integrated global fit of dimension-6 SMEFT operators across multiple sectors, emphasizing the interplay between top and Higgs observables.
Findings
Top sector data significantly constrain SMEFT parameters.
Global analysis reveals correlations between Higgs and top operators.
Results guide future experimental searches for deviations from the Standard Model.
Abstract
The Standard Model Effective Field Theory (SMEFT) provides a powerful theoretical framework for searching for subtle deviations from the Standard Model. In this talk, we present the results from a global fit of the dimension-6 operators of the SMEFT to a combination of Higgs, top, diboson and electroweak precision observables. SMEFT constraints driven by data from the top quark sector are highlighted. We explore the interplay between the top and Higgs sectors, emphasising the need for a global approach to constraining the SMEFT.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Computational Physics and Python Applications · Quantum Chromodynamics and Particle Interactions