English
Related papers

Related papers: Top Quark Mass

200 papers

We present the results of an exact calculation of gluon radiation in top production and decay at high energy electron-positron colliders. We include all spin correlations and interferences, the bottom quark mass, and finite top width…

High Energy Physics - Phenomenology · Physics 2009-10-31 Cosmin Macesanu , Lynne H. Orr

The mass of the top quark is a fundamental parameter of the Standard Model and has to be determined experimentally. In these proceedings, I review recent direct measurements of the top quark mass in $p\bar p$ collisions at $\sqrt s=1.96$…

High Energy Physics - Experiment · Physics 2017-10-13 Oleg Brandt

Studies of top quark properties using data collected by the CMS experiment are presented, including direct measurements of properties or extractions using differential cross section measurements. The latest results on top quark mass…

High Energy Physics - Experiment · Physics 2022-11-10 Dennis Schwarz

A combination of fifteen top quark mass measurements performed by the ATLAS and CMS experiments at the LHC is presented. The data sets used correspond to an integrated luminosity of up to 5 and 20$^{-1}$ of proton-proton collisions at…

High Energy Physics - Experiment · Physics 2024-08-08 CMS Collaboration , ATLAS Collaboration

First observed in 1995, the top quark is the third-generation up-type quark of the standard model of particle physics (SM). The CDF and D\O\ collaborations have analyzed many \ttbar\ events produced by the Tevatron collider, studying many…

High Energy Physics - Experiment · Physics 2019-08-14 Karolos Potamianos

Electroweak dipole moments of the top quark are conjectured and their effect in polarized $e^+e^-$ collisions is examined for the expectation values of two different $CP$-odd observables. One of these observables probes the real part of the…

High Energy Physics - Phenomenology · Physics 2010-11-01 Frank Cuypers , Saurabh Rindani

An overview of recent measurements of electroweak and top quark physics is given. In particular, total and differential diboson cross sections, limits on anomalous triple gauge couplings as well as top quark production cross sections and…

High Energy Physics - Experiment · Physics 2013-05-03 Marilyn Marx

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

Latest results from the CMS experiment at the LHC on top quark production in association with a Z boson or a photon, and the production of four top quarks, are summarized. Proton-proton collision data corresponding to an integrated…

High Energy Physics - Experiment · Physics 2022-02-15 David Walter

Theoretical predictions for processes involving top quarks, such as top quark-antiquark pair production, depend on fundamental standard model (SM) parameters like the top quark mass or potentially receive contributions from beyond-the-SM…

High Energy Physics - Experiment · Physics 2024-10-15 Sebastian Wuchterl

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

Top quark studies at future $e^+e^-$ colliders are considered. Two issues are discussed: {a --}Some results are presented on the decays of top quarks. Energy distributions of charged leptons and neutrinos in $t\to bW\to be^+\nu$ and jets in…

High Energy Physics - Phenomenology · Physics 2014-11-17 M. Jeżabek

We present recent preliminary measurements of the top-antitop pair production cross section and determinations of the top quark pole mass, performed using the data collected by the CDF and D0 Collaborations at the Tevatron Collider. In the…

High Energy Physics - Experiment · Physics 2019-08-15 Lucio Cerrito

I review standard top quark production at the Fermilab Tevatron. The current theoretical understanding of the total cross section and many partial differential cross sections is presented. Studies on the effects of extra gluon radiation on…

High Energy Physics - Phenomenology · Physics 2009-10-28 Stephen Parke

The mass of the top quark is measured using top-antitop-quark pair events with high transverse momentum top quarks. The dataset, collected with the ATLAS detector in proton--proton collisions at $\sqrt{s}=13$ TeV delivered by the Large…

High Energy Physics - Experiment · Physics 2025-06-16 ATLAS Collaboration

Theoretical arguments for a new higher-color quark sector, based on Pomeron physics in QCD, are briefly described. The electroweak symmetry-breaking, Strong CP conservation, and electroweak scale CP violation, that is naturally produced by…

High Energy Physics - Phenomenology · Physics 2009-09-25 Alan R. White

The top quark is the most recently discovered of the standard model quarks, and because of its very large mass, studies of the top quark and its interactions are important both as tests of the standard model and as searches for new physical…

High Energy Physics - Experiment · Physics 2019-08-14 David J. Mietlicki

The processes of six-quark production with one $b\bar b$ pair are studied by means of a complete tree-level electroweak calculation. The top-quark signal is examined: the importance of electroweak backgrounds, of the order of 10% above the…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. Gangemi , G. Montagna , M. Moretti , O. Nicrosini , F. Piccinini

We review the current status of the cross sections measurement of the top-quark at the LHC and at the Tevatron. Total production cross sections, studies using single top quark events and differential $\rm{t}\bar{\rm t}$ cross sections are…

High Energy Physics - Experiment · Physics 2014-09-26 Mara Senghi Soares

Theoretical issues are discussed for the measurement of the top-mass using jets, including perturbative and non-perturbative effects that relate experimental observables to the Lagrangian mass, and appropriate choices for mass schemes. Full…

High Energy Physics - Phenomenology · Physics 2009-01-30 Andre H. Hoang , Iain W. Stewart