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Related papers: Top Threshold Physics

200 papers

We study the spin properties of top quarks produced in collisions of polarized photons in the threshold region. For a relatively heavy top quark the influence of non-perturbative effects is small and its polarization parameters can be…

High Energy Physics - Phenomenology · Physics 2009-10-28 V. S. Fadin , V. A. Khoze , M. I. Kotsky

A scan of the beam energy across the top quark pair ($\mathrm{t\overline{t}}$) production threshold is part of the program of future Higgs, top, and electroweak factory projects. In this paper, we provide projections for the achievable…

High Energy Physics - Phenomenology · Physics 2025-11-26 Matteo M. Defranchis , Jorge de Blas , Ankita Mehta , Michele Selvaggi , Marcel Vos

Using non-relativistic effective theories, new next-to-next-to-leading order (NNLO) QCD corrections to the total $t\bar t$ production cross section at the Linear Collider have been calculated recently. In this article the NNLO calculations…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. H. Hoang , M. Beneke , K. Melnikov , T. Nagano , A. Ota , A. A. Penin , A. A. Pivovarov , A. Signer , V. A. Smirnov , Y. Sumino , T. Teubner , O. Yakovlev , A. Yelkhovsky

The physics case for studying top-quark physics at the International Linear Collider is well established. This summary places in context the top-quark physics goals, examines the current state-of-the art in understanding of the top-quark…

High Energy Physics - Phenomenology · Physics 2009-03-09 Zack Sullivan

Measurements of top quark production at $e^+e^-$ colliders can provide a leap in precision in our knowledge of top quark properties and open a new window on physics beyond the Standard Model. In this contribution the top quark physics…

High Energy Physics - Experiment · Physics 2016-11-15 Aleksander Filip Zarnecki

I consider the measurement of the top-quark mass, the CKM matrix element V_{tb}, and the top-quark Yukawa coupling to the Higgs boson at the Tevatron, the LHC, and a Linear Collider. The theoretical motivations for these measurements, as…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Willenbrock

We report on the precision determination of the top-quark mass to next-to-next-to-leading order in QCD in well-defined renormalization schemes using data from the Large Hadron Collider for single-top and top-quark pair production. We also…

High Energy Physics - Phenomenology · Physics 2018-09-28 Sven-Olaf Moch , Jürgen Reuter

We perform a comparative study of the reach of future $e^+e^-$ collider options for the scale of non-resonant new physics effects in the top quark sector, phrased in the language of higher-dimensional operators. Our focus is on the…

High Energy Physics - Phenomenology · Physics 2017-10-26 Christoph Englert , Michael Russell

A realistic study of the physics reach of a t-tbar threshold scan at a future e+e- linear collider is presented. The results obtained take into account experimental and, to a large extent, theoretical systematic errors, as well as beam…

High Energy Physics - Phenomenology · Physics 2009-01-07 Manel Martinez , Ramon Miquel

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

We review some recent theoretical progresses towards the determination of the top-quark couplings beyond the standard model. We briefly introduce the global effective field theory approach to the top-quark production and decay processes,…

High Energy Physics - Phenomenology · Physics 2017-08-31 Cen Zhang

We review the present situation in top quark physics, in these early days of Run II of the LHC. We take mostly a Standard Model perspective, showing recent results, and review the key concepts and results of the associated theoretical…

High Energy Physics - Phenomenology · Physics 2017-12-19 Vittorio Del Duca , Eric Laenen

Measurements involving top quarks provide important tests of QCD. A selected set of top quark measurements in CMS including the strong coupling constant, top quark pole mass, constraints on parton distribution functions, top quark pair…

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

We present an overview of Top Quark Physics - from what has been learned so far at the Tevatron, to the searches that lie ahead at present and future colliders. We summarize the richness of the measurements and discuss their possible impact…

High Energy Physics - Phenomenology · Physics 2009-07-09 D. Chakraborty , J. Konigsberg , D. Rainwater

We review the physics involved in the production and decay of top quarks in e^+e^- -> ttbar near threshold, with special emphasis on the recent theoretical study on the decay process of top quarks in the threshold region. The energy-angular…

High Energy Physics - Phenomenology · Physics 2011-03-02 Y. Sumino

The experimental status of measurements of the top quark mass is reviewed. After an introduction to the definition of the top quark mass and the production and decay of top quarks, an in-depth comparison of the analysis techniques used in…

High Energy Physics - Experiment · Physics 2010-03-03 Frank Fiedler

The status of top quark searches will be briefly reviewed. Theoretical predictions for the top quark decay rate are presented including QCD and electroweak radiative corrections. The possibilities for quarkonium searches at an hadron…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. H. Kühn

This paper is an experimental review of the study of processes with a single top quark at the LHC. The pioneering times are over, and this is now a sector of "precision physics" at colliders. Angular distributions of the decay products of…

High Energy Physics - Experiment · Physics 2016-01-22 Andrea Giammanco

The production of four top quarks is a rare process in the Standard Model that provides unique opportunities and sensitivity to Standard Model observables including potential enhancement from many popular new physics extensions. This…

High Energy Physics - Experiment · Physics 2022-12-02 Freya Blekman , Fréderic Déliot , Valentina Dutta , Emanuele Usai

A precise measurement of the top quark Yukawa coupling is of great importance, since it may shed light on the mechanism of EWSB. We study the prospects of such measurement during the first phase of the ILC at sqrt(s)=500 GeV, focusing in…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Juste