-
Jose Santiago14/09/2022, 09:00
-
Mikael Chala14/09/2022, 09:45
I will discuss the constraints that unitarity and locality impose on the Wilson coefficients of effective field theories, and particularly on the SMEFT, clarifying recent results on their range of applicability. I will discuss the relevance of different tools for arriving at the previous results, as well as ongoing work to enhance the power of these tools to tackle phenomenological problems.
Go to contribution page -
Renato Fonseca (University of Granada)14/09/2022, 11:00
Effective field theories (EFTs) are a powerful tool for the exploration of potential new physics in a model-independent way. At a time when there is a lack of clarity on how to extend the Standard Model, the Standard Model effective field theory (SMEFT) and related EFTs have been receiving an increasing amount of attention. For example, the number of SMEFT operators, up to high mass...
Go to contribution page -
Supratim Das Bakshi (Granada University)14/09/2022, 11:45
I will present the Mathematica package - CoDEx that integrates out heavy fields of spin-0, 1/2, 1 and computes SMEFT effective operators up to mass dimension-6 and associated Wilson coefficients upto 1-loop-level in terms of the model parameters. The computation of Wilson coefficients is based on the evaluation of effective action formulae. I will discuss model implementation in CoDEx,...
Go to contribution page -
Matthias König14/09/2022, 14:00
In this talk I will present an overview of the Mathematica software suite "MATCHETE". Starting from a Lagrangian provided by the user, MATCHETE determines the effective low-energy Lagrangian with matching conditions up to one-loop order using functional methods. I will discuss the matching procedure and highlight some of the technical challenges arising from operator reduction and evanescent operators.
Go to contribution page -
Juan Carlos Criado14/09/2022, 14:45
The complete matching between the SMEFT and any of its UV completions is known at tree level, and it has been collected in the form of a dictionary connecting BSM fields and their couplings to the corresponding low-energy effective interactions. The recent developments in matching codes will allow to extend this dictionary to one loop in the near future. The large amount of data generated in...
Go to contribution page -
Peter Stangl (University of Bern)14/09/2022, 16:00
I will report on recent developments concerning the Python package smelli, which implements a global likelihood function in the space of dimension-six Wilson coefficients in the Standard Model Effective Field Theory and the Weak Effective Theory above and below the electroweak scale, respectively. This likelihood can serve as a basis either for model-independent fits or for testing dynamical models.
Go to contribution page -
Ken Mimasu14/09/2022, 16:45
I will review the status and prospects for the implementation of SMEFT operators in UFO models for MadGraph5_aMC@NLO.
Go to contribution page -
Lukas Allwicher14/09/2022, 17:30
The high-pT tails in Drell-Yan processes can provide useful complementary information to low-energy and electroweak observables when investigating the flavour structure beyond the Standard Model. The Mathematica package HighPT allows to compute Drell-Yan cross sections for dilepton and monolepton final states at the LHC. The observables can be computed at tree-level in the SMEFT, including the...
Go to contribution page -
Michael Trott15/09/2022, 09:00
Some recent developments in the SMEFT using the geoSMEFT formulation of this theory
Go to contribution page -
Mikolaj Misiak, Nalecz Ignacy15/09/2022, 09:45
We shall present the motivation, as well as the current status of our calculation of Renormalization Group Equations (RGEs) in generic Effective Field Theories (EFTs) up to operators of dimension six.
Go to contribution page -
Paul Kühler15/09/2022, 11:00
We investigate the application of the BMHV scheme for treating Gamma5 in Dimensional Regularization. Looking at a toy example of a chiral QED, we observe that the BRST symmetry is broken in the presence of a non-anticommuting Gamma5. The symmetry breaking can be repaired by finite symmetry restoring counter terms which can be systematically calculated from insertions of evanescent operators....
Go to contribution page -
Hermès Bélusca-Maïto15/09/2022, 11:45
I discuss how renormalization group equations can be consistently established for chiral theories in the BMHV dimensional renormalization scheme, where the BRST symmetry has been restored with finite counterterms, by using notions from Algebraic Renormalization.
Go to contribution page -
Achillefs Lazopoulos (ETH Zurich)15/09/2022, 14:00
-
Janusz Rosiek15/09/2022, 14:45
I will discuss how to perform consistent calculations at SMEFT including dim6, dim6^2 and dim8 corrections. Further I will present the automatic tools facilitating such calculations and directly expressing the results in terms of user-defined set of input quantities (usually observables taken from the experiment). I will illustrate the results with few chosen examples.
Go to contribution page -
Luca Vecchi15/09/2022, 16:00
We discuss the finite one-loop counterterm required to restore the Ward Identities broken by the regularization scheme in chiral gauge theories. As a concrete application, we work out the finite counterterm in the Standard Model, within dimensional regularization and the Breitenlohner-Maison-'t Hooft-Veltman prescription for the $\gamma_5$ matrix.
Go to contribution page -
Marco Ardu15/09/2022, 16:45
I will discuss an Effective Field Theory parametrisation of Lepton Flavour Violation (LFV). I will present a bottom-up analysis of LFV observables in WET and SMEFT, and I will discuss the challenges that the SMEFT calculations present.
Go to contribution page -
Ilaria Brivio16/09/2022, 09:00
SMEFT predictions for LHC processes are typically extracted via Monte Carlo event generation. The first part of the talk will give an overview of the state of the art of these simulations in terms tools and methodologies. The second part will focus in more detail on the SMEFTsim UFO models, discussing their main features and presenting the most recent updates (v3).
Go to contribution page -
Avelino Vicente (IFIC (CSIC - U. Valencia))16/09/2022, 09:45
-
Jorge de Blas (Universidad de Granada)16/09/2022, 11:00
𝙷𝙴𝙿𝚏𝚒𝚝 is a flexible open-source tool which, given the Standard Model or any of its extensions, allows to i) fit the model parameters to a given set of experimental observables; ii) obtain predictions for observables. 𝙷𝙴𝙿𝚏𝚒𝚝 can be used either in Monte Carlo mode, to perform a Bayesian Markov Chain Monte Carlo analysis of a given model, or as a library, to obtain predictions of observables for...
Go to contribution page -
Meril Reboud16/09/2022, 11:45
I present EOS, an open-source software dedicated to a variety of tasks in the processing of flavor physics observables. EOS is written in C++ and offers both a C++ and a Python interface. It is developed for three main tasks, the production of theoretical predictions for flavor physics observables; the inference of theoretical parameters from an extensible database of likelihoods; and the...
Go to contribution page
Choose timezone
Your profile timezone: