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Related papers: TopFitter: Fitting top-quark Wilson Coefficients t…

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We perform a comprehensive study of the Higgs couplings, gauge-boson couplings to fermions and triple gauge boson vertices. We work in the framework of effective theories including the effects of the dimension-six operators contributing to…

High Energy Physics - Phenomenology · Physics 2019-02-13 Eduardo da Silva Almeida , Alexandre Alves , N. Rosa Agostinho , Oscar J. P. Éboli , M. C. Gonzalez-Garcia

We update the global fit to electroweak precision observables, including the effect of the latest measurements at hadron colliders of the $W$ and top-quark masses and the effective leptonic weak mixing angle. We comment on the impact of…

High Energy Physics - Phenomenology · Physics 2017-10-17 Jorge de Blas , Marco Ciuchini , Enrico Franco , Satoshi Mishima , Maurizio Pierini , Laura Reina , Luca Silvestrini

The latest results of the ATLAS and CMS experiments on top quark property measurements and interpretations in the EFT framework are presented. All measurements are based on the full LHC Run 2 dataset of approximately $138\,\textrm{fb}^{-1}$…

High Energy Physics - Experiment · Physics 2023-06-06 Jan van der Linden

We perform a model-independent analysis of top-philic New Physics scenarios, under the assumption that only effective operators involving top quarks are generated at tree level. Within the SMEFT framework, we derive indirect constraints on…

High Energy Physics - Phenomenology · Physics 2024-02-20 Francesco Garosi , David Marzocca , Antonio Rodríguez Sánchez , Alfredo Stanzione

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 improved in many channels, while kinematic information for $h \to \gamma\gamma$…

High Energy Physics - Phenomenology · Physics 2018-08-01 John Ellis , Christopher W. Murphy , Verónica Sanz , Tevong You

We present a summary of top quark physics results from Run 1 at CDF using the Run 1 data sample of 106 pb$^{-1}$. In addition to the precursory measurements of the top quark mass and $\ttbar$ cross section, we have performed a number of…

High Energy Physics - Experiment · Physics 2019-08-14 Steven R. Blusk

We study the top-quark production along with a Higgs boson and a jet (tHq) at the LHC experiment within the framework of the Standard Model Effective Field Theory (SMEFT). A strategy is developed to constrain the Wilson Coefficients (WC)…

High Energy Physics - Phenomenology · Physics 2023-09-29 Monoranjan Guchait , Arnab Roy

I will briefly review the status of higher-order calculations for top-quark observables, comment on the need for improvements, discuss some of the recent theoretical advances, and present a few examples to highlight the role of top-quark…

High Energy Physics - Phenomenology · Physics 2009-01-15 D. Wackeroth

Recent measurements of top-quark properties at the LHC and the Tevatron are presented. Most recent measurements of the top quark mass have been carried out by CMS using $19.7/$fb of $\sqrt{s} = 8$ TeV data including the study of the…

High Energy Physics - Experiment · Physics 2014-10-15 A. W. Jung

We present a global interpretation of Higgs, diboson, and top quark production and decay measurements from the LHC in the framework of the Standard Model Effective Field Theory (SMEFT) at dimension six. We constrain simultaneously 36…

High Energy Physics - Phenomenology · Physics 2021-11-02 Jacob J. Ethier , Giacomo Magni , Fabio Maltoni , Luca Mantani , Emanuele R. Nocera , Juan Rojo , Emma Slade , Eleni Vryonidou , Cen Zhang

The performance of taggers for hadronically decaying top quarks and $W$ bosons in $pp$ collisions at $\sqrt{s}$ = 13 TeV recorded by the ATLAS experiment at the Large Hadron Collider is presented. A set of techniques based on jet shape…

High Energy Physics - Experiment · Physics 2019-06-05 ATLAS Collaboration

With no direct evidence for new physics at the TeV scale, deviations from the Standard Model (SM) can be explored systematically through Effective Field Theories (EFTs) such as the Standard Model EFT (SMEFT). SMEFT extends the SM by…

High Energy Physics - Experiment · Physics 2026-02-04 Dongwon Kim

Recent measurements dedicated to improving the understanding of modelling top quark pair (${\text{t}\overline{\text{t}}}$) production at the LHC are summarised. These measurements, performed with proton-proton collision data collected by…

High Energy Physics - Experiment · Physics 2019-01-17 Emyr Clement

The top-quark is a fundamental element of the physics program at the Large Hadron Collider (LHC). We review the current status of the top-quark measurements performed by ATLAS and CMS experiments in pp collisions at sqrt(s)=7 TeV by…

High Energy Physics - Experiment · Physics 2012-01-31 Luca Fiorini

Recent top quark properties measurements made with the CMS detector at the LHC are presented. The measurements summarized include spin correlation of top quark pairs, asymmetries, top quark mass, and the underlying event in top quark pair…

High Energy Physics - Experiment · Physics 2019-08-13 Efe Yazgan

The use of experimental data to constrain the values of the Wilson coefficients of an Effective Field Theory (EFT) involves minimising a $\chi^2$ function that may contain local minima. Classical optimisation algorithms can become trapped…

High Energy Physics - Phenomenology · Physics 2023-02-08 Juan Carlos Criado , Roman Kogler , Michael Spannowsky

A recent EFT result from CMS is presented, combining differential cross section and direct EFT measurements performed by the CMS Collaboration across four branches of the Standard Model: top, Higgs, electroweak and QCD physics. To maximize…

High Energy Physics - Experiment · Physics 2026-02-04 Niels Van den Bossche

The recent observation of entanglement between top and anti-top quarks at the LHC opens the way to interpreting collider data with quantum information tools. In this work we investigate the relevance of quantum observables in searches of…

High Energy Physics - Phenomenology · Physics 2024-03-21 Fabio Maltoni , Claudio Severi , Simone Tentori , Eleni Vryonidou

We present results from SMEFiT3.0, a global SMEFT fit of Higgs, top quark, and diboson production data from the LHC. Our updated analysis includes recent inclusive and differential measurements from the LHC Run II, together with the exact…

High Energy Physics - Phenomenology · Physics 2026-02-04 Eugenia Celada

One of the main goals of the Tevatron RunII is to look for any hints for new physics. At D0, the range of searches for new physics signals is large and one of the places we look for hints for new physics is by measuring the top quark…

High Energy Physics - Experiment · Physics 2019-08-14 Shabnam Jabeen