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Related papers: Measuring the W-t-b Interaction at the ILC

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The top quark forward-backward asymmetry measured at the Fermilab Tevatron collider deviates from the standard model prediction. A W^prime boson model is described, where the coupling W^prime-t-d is fixed by the tt_bar forward-backward…

High Energy Physics - Phenomenology · Physics 2015-06-04 Daniel Duffty , Zack Sullivan , Hao Zhang

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

Top quark production in the process $e^+e^- \rightarrow t\bar{t}$ at a future linear electron positron collider with polarised beams is a powerful tool to determine indirectly the scale of new physics. The presented study, based on a…

High Energy Physics - Experiment · Physics 2013-07-31 M. S. Amjad , M. Boronat , T. Frisson , I. Garcìa Garcìa , R. Pöschl , E. Ros , F. Richard , J. Rouëné , P. Ruiz Femenia , M. Vos

Reaching a high precision of the top quark mass is an important task of the Large Hadron Collider. We perform a feasibility study of measuring the top quark mass through the three-point energy correlator. The expected sensitivity of the top…

High Energy Physics - Phenomenology · Physics 2024-10-14 Meng Xiao , Yulei Ye , Xinyu Zhu

In this letter, we evaluate potential of linear $e^+e^-$ colliders to measure the top quark mass in radiative events and in a suitable short-distance scheme. We present a calculation of the differential cross section for production of a top…

High Energy Physics - Phenomenology · Physics 2020-03-11 Marça Boronat , Esteban Fullana , Juan Fuster , Pablo Gomis , André Hoang , Vicent Mateu , Marcel Vos , Angelika Widl

The mass of the top quark has been measured at Fermilab using the Tevatron ppbar collider to a precision of less than 1%. I discuss the individual measurements that go into this result and its impact on our understanding of the standard…

High Energy Physics - Experiment · Physics 2008-06-09 Ulrich Heintz

The prospects for electroweak measurements at the Large Hadron Collider (LHC) are discussed. In addition to high-luminosity results, special emphasis is placed on early start-up measurements with a total luminosity ranging from 10/pb to…

High Energy Physics - Experiment · Physics 2019-08-14 Martin W. Grunewald

A scan of the top quark pair production threshold at a future electron-positron collider provides the possibility for high-precision measurements of the top quark mass, and, when using two dimensional fits of the measured cross sections,…

High Energy Physics - Experiment · Physics 2020-05-25 Frank Simon

The D0 collaboration reports direct evidence for electroweak production of single top quarks through the t-channel exchange of a virtual W boson. This is the first analysis to isolate an individual single top quark production channel. We…

High Energy Physics - Experiment · Physics 2009-12-22 D0 Collaboration , V. Abazov

We present a study of the sensitivity of an International Linear Collider (ILC) to electroweak parameters in the absence of a light Higgs boson. In particular, we consider those parameters that have been inaccessible at previous colliders,…

High Energy Physics - Phenomenology · Physics 2009-09-29 M. Beyer , W. Kilian , P. Krstonosic , K. Monig , J. Reuter , E. Schmidt , H. Schroder

We present an overview of the present status and prospects for progress in electroweak measurements at future collider experiments leading to precision tests of the Standard Model of Electroweak Interactions. Special attention is paid to…

High Energy Physics - Phenomenology · Physics 2016-09-06 U. Baur , M. Demarteau

This note presents constraints on Standard Model parameters using published and preliminary precision electroweak results measured at the electron-positron colliders LEP and SLC. The results are compared with precise electroweak…

Electroweak production of the top quark is measured in pp collisions at sqrt(s) = 7 TeV, using a dataset collected with the CMS detector at the LHC and corresponding to an integrated luminosity of 36 inverse picobarns. With an event…

High Energy Physics - Experiment · Physics 2012-08-27 CMS Collaboration

Although often quoted as a discovery collider, the LHC will also allow for precise measurements. In particular, in the electroweak sector, the determination of the masses of the top quark and the W boson will benefit from high statistics…

High Energy Physics - Experiment · Physics 2008-12-03 N. Besson

We consider the electroweak production of a top quark in association with a photon at the LHC to probe the electroweak top quark couplings (t$\bar{\text{t}}\gamma$) as well as the triple gauge boson couplings (WW$\gamma$). The study is…

High Energy Physics - Phenomenology · Physics 2016-10-05 Seyed Mohsen Etesami , Sara Khatibi , Mojtaba Mohammadi Najafabadi

This note presents constraints on Standard Model parameters using published and preliminary precision electroweak results measured at the electron-positron colliders LEP and SLC. The results are compared with precise electroweak…

We introduce a new asymmetry in the decay t -> W b -> l nu b, which is shown to be directly proportional to the polarisation of the top quark along a chosen axis, times a sum of W helicity fractions. The latter have already been precisely…

High Energy Physics - Phenomenology · Physics 2015-06-11 J. A. Aguilar-Saavedra , R. V. Herrero-Hahn

In the context of $SU(2)_L\times U(1)$ dimension six operators we study the potential of the LHeC to provide information on top quark effective interactions. We focus on single antitop production and how it is affected not only by the…

High Energy Physics - Phenomenology · Physics 2015-06-03 I. A. Sarmiento-Alvarado , Antonio O. Bouzas , F. Larios

The International Linear Collider has a rich physics programme, whatever lies beyond the standard model. Accurate measurement of the top quark mass is needed to constrain the model or its extensions. If there is a light Higgs boson the LHC…

High Energy Physics - Phenomenology · Physics 2009-11-10 David J. Miller

Measurements of the production cross section of top-quark pairs ($t\bar t$) in $pp$ collisions at $\sqrt{s}$ = 7 TeV are presented using 35 \ipb\ of data recorded with the ATLAS detector at the Large Hadron Collider. Events are selected in…

High Energy Physics - Experiment · Physics 2011-09-01 Yasuyuki Okumura