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Renormalisation group evolution effects on global SMEFT analyses [PDF]

open access: diamondJournal of High Energy Physics
Global analyses in the Standard Model Effective Field Theory (SMEFT) framework serve as a tool to probe potential directions of new physics. To break degeneracies between the Wilson coefficients of the SMEFT, it is essential to combine observables from ...
Riccardo Bartocci   +2 more
doaj   +3 more sources

On the non-minimal character of the SMEFT [PDF]

open access: yesPhysics Letters B, 2017
When integrating out unknown new physics sectors, what is the minimal character of the Standard Model Effective Field Theory (SMEFT) that can result? In this paper we focus on a particular aspect of this question: “How can one obtain only one dimension ...
Yun Jiang, Michael Trott
doaj   +9 more sources

Lectures on SMEFT [PDF]

open access: diamondThe European Physical Journal C, 2023
This document contains lectures on SMEFT, which is an effective field theory of the degrees of freedom of the Standard Model. The material is at a basic, introductory level, without assuming any prior knowledge of effective field theory techniques.
Adam Falkowski
semanticscholar   +6 more sources

Dimension-8 SMEFT contact-terms for vector-pair production via on-shell Higgsing [PDF]

open access: diamondJournal of High Energy Physics
We derive the dimension-8 standard-model effective theory (SMEFT) contact terms relevant for vector-pair production at the LHC and lepton colliders.
Jared M. Goldberg   +2 more
doaj   +3 more sources

The importance of flavor in SMEFT Electroweak Precision Fits [PDF]

open access: yesJournal of High Energy Physics, 2023
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.
Luigi Bellafronte   +2 more
doaj   +2 more sources

SMEFT deviations

open access: yesEuropean Physical Journal C: Particles and Fields, 2023
This work is based on a bottom-up approach to the standard-model effective field theory (SMEFT), resulting in an equiprobable space of Wilson coefficients.
Federico Camponovo, Giampiero Passarino
doaj   +4 more sources

Mapping the SMEFT to discoverable models

open access: yesJournal of High Energy Physics, 2022
The matching of specific new physics scenarios onto the SMEFT framework is a well-understood procedure. The inverse problem, the matching of the SMEFT to UV scenarios, is more difficult and requires the development of new methods to perform a systematic ...
Ricardo Cepedello   +3 more
doaj   +10 more sources

Leading directions in the SMEFT [PDF]

open access: yesJournal of High Energy Physics, 2023
Short-distance new physics at (or slightly) above the TeV scale should not excessively violate the approximate flavor symmetries of the SM in order to comply with stringent constraints from flavor-changing neutral currents.
A. Greljo, Ajdin Palavrić
semanticscholar   +4 more sources

Is SMEFT enough? [PDF]

open access: yesJournal of High Energy Physics, 2021
There are two canonical approaches to treating the Standard Model as an Effective Field Theory (EFT): Standard Model EFT (SMEFT), expressed in the electroweak symmetric phase utilizing the Higgs doublet, and Higgs EFT (HEFT), expressed in the broken ...
Timothy Cohen   +3 more
doaj   +4 more sources

SMEFT as a slice of HEFT’s parameter space [PDF]

open access: yesEPJ Web of Conferences, 2022
The Standard Model Effective Field Theory (SMEFT) is the parametrization chosen to interpret many modern measurements. We have recently discussed, building on the work of other groups, that its overall framework can be experimentally tested, beyond ...
Salas-Bernárdez Alexandre   +3 more
doaj   +3 more sources

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