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Related papers: Results from TopFitter

200 papers

In this paper we present a global fit of beyond the Standard Model (BSM) dimension six operators relevant to the top quark sector to currently available data. Experimental measurements include parton-level top-pair and single top production…

High Energy Physics - Phenomenology · Physics 2015-12-02 Andy Buckley , Christoph Englert , James Ferrando , David J. Miller , Liam Moore , Michael Russell , Chris D. White

We perform an up-to-date global fit of top quark effective theory to experimental data from the Tevatron, and from LHC Runs I and II. Experimental data includes total cross-sections up to 13 TeV, as well as differential distributions, for…

High Energy Physics - Phenomenology · Physics 2018-07-05 Andy Buckley , Christoph Englert , James Ferrando , David J. Miller , Liam Moore , Michael Russell , Chris D. White

We describe the latest TopFitter analysis, which uses top quark observables to fit the Wilson Coefficients of the SM augmented with dimension-6 operators. In particular, we discuss the inclusion of new LHC Run II data and the implementation…

High Energy Physics - Phenomenology · Physics 2019-01-11 Stephen Brown , Andy Buckley , Christoph Englert , James Ferrando , Peter Galler , David J Miller , Liam Moore , Michael Russell , Chris White , Neil Warrack

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

Recent measurements at the Large Hadron Collider allow for a robust and precise characterisation of the electro-weak interactions of the top quark. We present the results of a global analysis at next-to-leading order precision including…

High Energy Physics - Phenomenology · Physics 2022-02-14 Víctor Miralles , Marcos Miralles López , María Moreno Llácer , Ana Peñuelas , Martín Perelló , Marcel Vos

Motivated by recently observed anomalies in the flavour sector, we analyse the potential of measurements of top quarks at the Large Hadron Collider (LHC) to provide complementary constraints on interactions that shape low-energy precision…

High Energy Physics - Phenomenology · Physics 2025-03-13 Oliver Atkinson , Christoph Englert , Matthew Kirk , Gilberto Tetlalmatzi-Xolocotzi

I review the latest results on properties of the top quark from the Tevatron and the LHC, including results measured in $t\bar{t}$ and single-top events on the mass, width, couplings, and spin correlations.

High Energy Physics - Experiment · Physics 2012-12-04 Tony M. Liss

Several proposals exist for energy-frontier facilities after the HL-LHC. In this contribution I review the potential of these facilities to perform key measurements of top quark properties and interacions. Top quark precision physics at a…

High Energy Physics - Experiment · Physics 2017-01-24 Marcel Vos

With the full Tevatron Run II and early LHC data samples, the opportunity for furthering our understanding of the properties of the top quark has never been more promising. Although the current knowledge of the top quark comes largely from…

High Energy Physics - Experiment · Physics 2015-06-03 Kevin Lannon , Fabrizio Margaroli , Chris Neu

An overview of recent top quark measurements using the full Run II data set of CDF or D0 at the Tevatron is presented. Results are complementary to the ones at the LHC. Recent measurements of the production cross section of top quarks in…

High Energy Physics - Experiment · Physics 2015-05-22 Andreas W. Jung

Top quarks are a prime system for hunting for new physics. Nonetheless, two decades on from their discovery few of their couplings have been measured to high precision. We present an overview of current determinations and the expected…

High Energy Physics - Experiment · Physics 2013-09-17 Jahred Adelman , Matthew Baumgart , Aran Garcia-Bellido , Andrey Loginov

Measurements of top quark properties performed at the Large Hadron Collider are reviewed, with a particular emphasis on top-pair charge asymmetries, spin correlations and polarization measurements performed by the ATLAS and CMS…

High Energy Physics - Experiment · Physics 2014-10-30 Richard Hawkings

We investigate the prospects to systematically improve generic effective field theory-based searches for new physics in the top sector during LHC run 2 as well as the high luminosity phase. In particular, we assess the benefits of high…

High Energy Physics - Phenomenology · Physics 2017-05-08 Christoph Englert , Karl Nordstrom , Liam Moore , Michael Russell

Recent measurements of the inclusive top pair production at the Tevatron and LHC collider in the electron/muon final states are discussed. Measurements at the Tevatron use up to 9.7 /fb of data, and at the LHC up to 4.9 /fb of data at…

High Energy Physics - Experiment · Physics 2013-12-24 Andreas Werner Jung

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

We perform global fits within Standard Model Effective Field Theory (SMEFT) combining top-quark pair production processes and decay with $b\rightarrow s$ flavor changing neutral current transitions and $Z \to b \bar b$ in three stages:…

High Energy Physics - Phenomenology · Physics 2021-06-16 Stefan Bißmann , Cornelius Grunwald , Gudrun Hiller , Kevin Kröninger

The CMS programme of indirect searches in the top-quark sector interprets precision measurements in the Standard Model Effective Field Theory (SMEFT) framework. These proceedings summarize recent CMS results highlighted in the TOP2025 talk:…

High Energy Physics - Experiment · Physics 2026-01-12 Andrea Piccinelli

Almost two decades after its discovery at Fermilab's Tevatron collider experiments, the top quark is still under the spotlight due to its connections to some of the most interesting puzzles in the Standard Model. The Tevatron has been shut…

High Energy Physics - Experiment · Physics 2015-06-18 Fabrizio Margaroli

The latest results on top quark physics, namely single top quark production cross sections, $W$-boson helicity and asymmetry measurements are used to probe the Lorentz structure of the $Wtb$ vertex. The increase of sensitivity to new…

We review the status of heavy quark physics at the Fermilab Tevatron collider by summarizing recent top quark and B physics results from CDF and DO. In particular, we discuss the measurement of the top quark mass and top production cross…

High Energy Physics - Experiment · Physics 2007-05-23 M. Paulini
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