The SMEFTsim package, theory and tools

I Brivio, Y Jiang, M Trott - Journal of High Energy Physics, 2017 - Springer
A bstract We report codes for the Standard Model Effective Field Theory (SMEFT) in F eyn R
ules—the SMEFTsim package. The codes enable theoretical predictions for dimension six …

Flavour symmetries in the SMEFT

DA Faroughy, G Isidori, F Wilsch… - Journal of High Energy …, 2020 - Springer
A bstract We analyse how U (3) 5 and U (2) 5 flavour symmetries act on the Standard Model
Effective Field Theory, providing an organising principle to classify the large number of …

The impact of flavour data on global fits of the MFV SMEFT

R Aoude, T Hurth, S Renner, W Shepherd - Journal of High Energy Physics, 2020 - Springer
A bstract We investigate the information that can be gained by including flavour data in fits of
the Standard Model Effective Field Theory (SMEFT) with the assumption of Minimal Flavour …

SMEFTsim 3.0—a practical guide

I Brivio - Journal of High Energy Physics, 2021 - Springer
A bstract The SMEFTsim package [1] is designed to enable automated computations in the
Standard Model Effective Field Theory (SMEFT), where the SM Lagrangian is extended with …

The importance of flavor in SMEFT Electroweak Precision Fits

L Bellafronte, S Dawson, PP Giardino - Journal of High Energy Physics, 2023 - Springer
A bstract Effective field theory tools are essential for exploring non-Standard Model physics
at the LHC in the absence of the discovery of new light particles. Predictions for observables …

Scheming in the SMEFT... and a reparameterization invariance!

I Brivio, M Trott - Journal of High Energy Physics, 2017 - Springer
A bstract We explain a reparameterization invariance in the Standard Model Effective Field
Theory present when considering\(\overline {\psi}\psi\\to\overline {\psi}\psi\) scatterings (with …

Compilation of low-energy constraints on 4-fermion operators in the SMEFT

A Falkowski, M González-Alonso, K Mimouni - Journal of High Energy …, 2017 - Springer
A bstract We compile information from low-energy observables sensitive to flavor-conserving
4-fermion operators with two or four leptons. Our analysis includes data from e+ e− colliders …

Updated global SMEFT fit to Higgs, diboson and electroweak data

J Ellis, CW Murphy, V Sanz, T You - Journal of High Energy Physics, 2018 - Springer
A bstract The ATLAS and CMS collaborations have recently released significant new data
on Higgs and diboson production in LHC Run 2. Measurements of Higgs properties have …

Adding Flavor to the SMEFT

A Greljo, A Palavrić, AE Thomsen - Journal of High Energy Physics, 2022 - Springer
A bstract We study the flavor structure of the lepton and baryon number-conserving
dimension-6 operators in the Standard Model effective field theory (SMEFT). Building on the …

EWPD in the SMEFT to dimension eight

T Corbett, A Helset, A Martin, M Trott - Journal of High Energy Physics, 2021 - Springer
A bstract We calculate the\(\mathcal {O}\left ({\left\langle {H}^{\dagger} H\right\rangle}^
2/{\Lambda}^ 4\right)\) corrections to LEP electroweak precision data using the geometric …