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Related papers: Measurements and EFT fits on detector level

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The Standard Model Effective Field Theory (SMEFT) is a widely utilized framework for exploring new physics effects in a model-independent manner. In previous studies, Drell-Yan collider data has emerged as a promising signature due to its…

High Energy Physics - Phenomenology · Physics 2025-03-19 Gudrun Hiller , Lara Nollen , Daniel Wendler

Effective Field Theories are an established framework to bridge the gap between UV and low energy theories. In the context of the Standard Model, the bottom-up approach extends its operator set and thus equips us to astutely probe its…

High Energy Physics - Phenomenology · Physics 2021-03-23 Supratim Das Bakshi , Joydeep Chakrabortty , Suraj Prakash , Shakeel Ur Rahaman , Michael Spannowsky

We constrain general Dirac neutrino interactions based on the Standard Model Effective Field Theory framework extended with right-handed neutrinos $N$ (SMNEFT) using deep inelastic and coherent elastic neutrino scattering, nuclear beta…

High Energy Physics - Phenomenology · Physics 2021-06-08 Tao Han , Jiajun Liao , Hongkai Liu , Danny Marfatia

We calculate the one- and two-loop matching corrections in the Standard Model effective field theory (SMEFT) that impact electroweak precision measurements and flavour physics observables, focusing on the contributions of third-generation…

High Energy Physics - Phenomenology · Physics 2025-01-17 Ulrich Haisch , Luc Schnell

The Standard Model Effective Field Theory (SMEFT) and the Low Energy Effective Field Theory (LEFT) can be extended by adding additional spin 0, 1/2 and 1 dark matter particles which are singlets under the Standard Model (SM) gauge group. We…

High Energy Physics - Phenomenology · Physics 2022-10-13 Jason Aebischer , Wolfgang Altmannshofer , Elizabeth E. Jenkins , Aneesh V. Manohar

In this study, we examine the possibilities opened by upcoming high-energy deep-inelastic scattering (DIS) experiments to investigate new physics within the framework of the Standard Model Effective Field Theory (SMEFT). Specifically, we…

High Energy Physics - Phenomenology · Physics 2023-07-19 Chiara Bissolotti , Radja Boughezal , Kaan Simsek

The study of Standard Model (SM) physics is crucial at the LHC for several reasons. Before any discovery can be claimed a detailed understanding of the detectors should be reached and benchmark SM processes should be measured. A precise…

High Energy Physics - Experiment · Physics 2019-08-14 F. Petrucci

The precise measurement of the Higgs boson properties requires a robust framework to parametrize possible deviations from Standard Model (SM) predictions in the most model-independent way possible. The Effective Field Theory (EFT) framework…

High Energy Physics - Phenomenology · Physics 2026-03-03 Ramona Gröber , Alejo N. Rossia , Michał Ryczkowski

We study four top quark production at hadron colliders in the Standard Model Effective Field Theory (SMEFT). We perform an analysis at the tree-level, including all possible QCD- and EW-coupling orders and relevant dimension-six operators.…

High Energy Physics - Phenomenology · Physics 2022-11-09 Rafael Aoude , Hesham El Faham , Fabio Maltoni , Eleni Vryonidou

I discuss recent progress on fits to dimension-six operators in the Standard Model Effective Theory (SMEFT). I focus on the top quark sector of the SMEFT, as well as the theoretical advances made in computing SMEFT effects through to…

High Energy Physics - Phenomenology · Physics 2019-06-26 Emma Slade

Linear Standard Model (SM) extensions, defined as new particles that can couple linearly to SM fields, form a motivated and finite set of simplified models for exploring phenomenology Beyond the SM (BSM). Heavy BSM particles may be…

High Energy Physics - Phenomenology · Physics 2025-09-26 John Gargalionis , Jérémie Quevillon , Pham Ngoc Hoa Vuong , Tevong You

In these proceedings we review the interplay between LHC searches for dark matter and direct detection experiments. For this purpose we consider two prime examples: the effective field theory (EFT) approach and the minimal supersymmetric…

High Energy Physics - Phenomenology · Physics 2015-05-12 Andreas Crivellin , Martin Hoferichter , Massimiliano Procura , Lewis C. Tunstall

We review the status of calculations in the Standard Model Effective Field Theory (SMEFT) beyond leading order (LO). Improving the SMEFT beyond LO allows theoretical errors to be characterized and reduced when considering SMEFT…

High Energy Physics - Phenomenology · Physics 2016-10-27 Giampiero Passarino , Michael Trott

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…

High Energy Physics - Phenomenology · Physics 2021-08-11 Timothy Cohen , Nathaniel Craig , Xiaochuan Lu , Dave Sutherland

We obtain SMEFT bounds using an approach that utilises the complete multi-dimensional differential information of a process. This approach is based on the fact that at a given EFT order, the full angular distribution in the most important…

High Energy Physics - Phenomenology · Physics 2020-11-12 Shankha Banerjee , Rick S. Gupta , Joey Y. Reiness , Satyajit Seth , Michael Spannowsky

For standard model (SM) processes involving top quarks, such as top quark-antiquark pair production or single top quark production, the theoretical predictions depend on fundamental parameters of the SM like the top quark mass. Using the…

High Energy Physics - Experiment · Physics 2024-09-25 Sebastian Wuchterl

A set of constructs, definitions, and propositions that present a systematic view of the Standard Model Effective Field Theory (SMEFT), i.e. how the influence of higher energy processes is localizable in a few structural properties which…

High Energy Physics - Phenomenology · Physics 2016-07-06 Giampiero Passarino

Analyzing the clustering of galaxies at the field level in principle promises access to all the cosmological information available. Given this incentive, in this paper we investigate the performance of field-based forward modeling approach…

Cosmology and Nongalactic Astrophysics · Physics 2023-07-31 Andrija Kostić , Nhat-Minh Nguyen , Fabian Schmidt , Martin Reinecke

This paper presents a computer code for analyzing electroweak precision data (EWPD) in the framework of the Standard Model Effective Field Theory (SMEFT), highlights the importance of recent ATLAS and CMS precision measurements, and…

High Energy Physics - Phenomenology · Physics 2026-05-14 Hannes Mildner

We derive bounds on couplings in the standard model effective field theory (SMEFT) as a consequence of causality and the analytic structure of scattering amplitudes. In the SMEFT, there are 64 independent operators at mass dimension eight…

High Energy Physics - Phenomenology · Physics 2020-09-16 Grant N. Remmen , Nicholas L. Rodd
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