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Related papers: Top physics at CLIC and ILC

200 papers

We study the potential of future lepton colliders to probe violation of the CP symmetry in the top quark sector. In certain extensions of the Standard Model, such as the two-Higgs-doublet model (2HDM), sizeable anomalous top quark dipole…

High Energy Physics - Experiment · Physics 2018-04-04 W. Bernreuther , L. Chen , I. García , M. Perelló , R. Poeschl F. Richard , E. Ros , M. Vos

Most supersymmetric models predict new particles within the reach of the next generation of colliders. For an understanding of the model structure and the mechanism(s) of electroweak symmetry breaking, it is important to know the masses of…

High Energy Physics - Phenomenology · Physics 2007-12-28 A. Sopczak , A. Freitas , C. Milstene , M. Schmitt

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

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

In this contribution I will highlight the new challenges for top quark physics at LHC Run II, focusing in particular on the interplay between precision studies on the top quark and searches for new physics. A new strategy to search for…

High Energy Physics - Phenomenology · Physics 2016-01-13 Roberto Franceschini

Future lepton colliders will have a rich top quark physics program which would add to our understanding of this interesting quark and promise an ultimate precision on the experimental knowledge of top-quark mass. We present possible…

High Energy Physics - Experiment · Physics 2019-08-14 Min Suk Kim

At proposed high energy linear e+e- colliders a large number of W bosons and top quarks will be produced. We evaluate the potential precision to which the decay branching ratios into the various quark species can be measured, implying also…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Letts , P. Mattig

With a high instantaneous luminosity and the large top quark pair production cross section, the Large Hadron Collider (LHC) will be a "top factory" allowing the analysis of millions of top events. After a short description of the top quark…

High Energy Physics - Experiment · Physics 2007-05-23 Florian Beaudette

We present a study of top quark mass measurements at the $t\bar{t}$ threshold based on CEPC. A centre-of-mass energy scan near two times of the top mass is performed and the measurement precision of top quark mass, width and $\alpha_S$ are…

High Energy Physics - Experiment · Physics 2023-04-19 Zhan Li , Xiaohu Sun , Yaquan Fang , Gang Li , Shuiting Xin , Shudong Wang , Yiwei Wang , Yuan Zhang , Hao Zhang , Zhijun Liang

The top quark is the heaviest particle to date discovered, with a mass close to the electroweak symmetry breaking scale. It is expected that the top quark would be sensitive to the new physics at the TeV scale. One of the most important…

High Energy Physics - Phenomenology · Physics 2015-03-13 O. Cakir , I. T. Cakir , A. Senol , A. T. Tasci

We perform a detailed study of the process $e^+e^-\to \mu^+\mu^-\nu_l\bar\nu_l$ including all contributions. The contributions other than from real gauge boson production leads to a rich phenomenology. We explore the use of the process as a…

High Energy Physics - Phenomenology · Physics 2009-10-28 G. Couture , S. Godfrey

First observed in 1995, the top quark is one of a pair of third-generation quarks in the Standard Model of particle physics. It has charge +2/3e and a mass of 171.4 GeV, about 40 times heavier than its partner, the bottom quark. The CDF and…

High Energy Physics - Experiment · Physics 2019-08-15 A. P. Heinson

The mass of the top quark is measured using a sample of $\mathrm{t\overline{t}}$ events collected by the CMS detector using proton-proton collisions at $\sqrt{s} =$ 13 TeV at the CERN LHC. Events are selected with one isolated muon or…

High Energy Physics - Experiment · Physics 2022-04-15 CMS Collaboration

Twelve years after the discovery of the Top quark, the CDF detector has collected large samples of tt-bar events with integrated luminosities up to 1-1.7 fb^-1, where we are able to probe our knowledge of the Standard Model Top quark. This…

High Energy Physics - Experiment · Physics 2007-09-17 Susana Cabrera

Evidence for pair production of a new particle consistent with the Standard Model top quark has been reported recently by groups studying proton anti-proton collisions at 1.8 TeV center of mass energy at the Fermi National Accelerator…

High Energy Physics - Experiment · Physics 2008-11-26 C. Campagnari , M. Franklin

The top quark mass measurements are based either on a direct kinematic reconstruction of the top quark decay products or on indirect measurements, where an observable sensitive to the top quark mass, such as the production cross section, is…

High Energy Physics - Experiment · Physics 2024-01-11 Mikael Myllymäki

A linear e+e- collider provides excellent possibilities for precision measurements of the properties of the Higgs boson. At energies close to the Z-Higgs threshold, the Higgs boson can be studied in recoil against a Z boson, to obtain not…

High Energy Physics - Experiment · Physics 2012-12-03 Frank Simon

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

Measurements of the top quark mass are presented, obtained from CMS data collected in proton proton collisions at the LHC at centre-of-mass energies of 7 TeV and 8 TeV. The mass of the top quark is measured using several methods and…

High Energy Physics - Experiment · Physics 2016-10-07 Simon Spannagel

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