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Related papers: ttbar Spin Correlations at D0

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We review recent measurements of the properties of the top quark by the CDF and D0 experiments: the mass and decay width of the top quark, the ratio $R=\btwb/\btwq$, the total production cross section of \ttbar\ pairs, the helicity of the…

High Energy Physics - Experiment · Physics 2013-06-25 Oleg Brandt

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

We report the latest results on the top-quark mass and on the top-antitop mass difference from the CDF and D0 collaborations using data collected at the Fermilab Tevatron $p\bar{p}$ collider at $\sqrt{s}=1.96$ TeV. We discuss general issues…

High Energy Physics - Experiment · Physics 2011-07-25 Zhenyu Ye , for CDF , D0 collaborations

We report on the observation of single top quark production by the D0 collaboration using a dataset of 2.3 fb^-1 collected at the Fermilab Tevatron ppbar collider. Several multivariate techniques are combined to separate the single top…

High Energy Physics - Experiment · Physics 2019-08-14 Reinhard Schwienhorst

Observables sensitive to top quark polarization are important for characterizing or even discovering new physics. The most powerful spin analyzer in top decay is the down-type fermion from the W, which in the case of leptonic decay allows…

High Energy Physics - Phenomenology · Physics 2014-11-19 Brock Tweedie

We determine the top quark mass m_t using t-tbar pairs produced in the D0 detector by \sqrt{s} = 1.8 TeV p-pbar collisions in a 125 pb^-1 exposure at the Fermilab Tevatron. We make a two constraint fit to m_t in t-tbar -> b W^+bbar W^-…

High Energy Physics - Experiment · Physics 2008-11-26 D0 Collaboration , B. Abbott

The lighter superpartner of the top quark ($\tt_1$) may be considerably lighter than squarks of the first two generations, and hence may be accessible to Tevatron collider searches, even if the other squarks and the gluino are too heavy.…

High Energy Physics - Phenomenology · Physics 2009-10-28 H. Baer , J. Sender , X. Tata

Recent measurements of top-quark properties at the LHC and the Tevatron are presented. Most recent measurements of the top quark mass have been carried out by CMS using $19.7/$fb of $\sqrt{s} = 8$ TeV data including the study of the…

High Energy Physics - Experiment · Physics 2014-10-15 A. W. Jung

A summary of the most recent results on top quark physics obtained at Fermilab's Tevatron proton-antiproton collider, operating at a centre of mass energy of 1.96 TeV, is presented. Measurements of the top pair and single top quark…

High Energy Physics - Experiment · Physics 2019-08-14 Jeannine Wagner-Kuhr

We present measurements of the top quark mass based on 3.6 fb^-1 of data collected by the D0 experiment during Run II of the Fermilab Tevatron collider. We present results in the dilepton and lepton+jets final states. We also present the…

High Energy Physics - Experiment · Physics 2019-08-14 Scott S. Snyder

This report describes a measurement of the top quark mass in $\ppbar$ collisions at a center of mass energy of 1.8 TeV. The data sample was collected with the CDF detector during the 1992--95 collider run at the Fermilab Tevatron, and…

High Energy Physics - Experiment · Physics 2012-08-27 The CDF Collaboration

Different measurements of the properties of the top quark using up to $5.4 fb^{-1}$ collected with the D{\O} detector at the Fermilab Tevatron collider are presented. The top mass is obtained from a study of dilepton and lepton+jets final…

High Energy Physics - Experiment · Physics 2011-10-11 Andreas W. Jung

An overview of the recent measurements of the top quark properties in proton antiproton collisions at \sqrt{s}=1.96 TeV is presented.These measurements are based on 5.4 -- 8.7 fb^-1 of data collected with the D0 and CDF experiments at the…

High Energy Physics - Experiment · Physics 2019-08-14 Viatcheslav Shary

We review the search for the top quark conducted by the D-Zero collaboration using data from the Fermilab pbar-p collider. Based upon a preliminary analysis of an integrated luminosity of about 13.5 pb-1, we have searched for t-tbar…

High Energy Physics - Experiment · Physics 2007-05-23 P. D. Grannis

Although the top quark has been discovered in 1995 and studied extensively by the Tevatron experiments, the top quark will remain special for years to come due to unique opportunities it offers. Because of the large top-antitop production…

High Energy Physics - Experiment · Physics 2019-08-13 Ashish Kumar

We report on measurements of the ttbar production cross section at a center-of-mass energy of 1.96 TeV at the D0 experiment during Run II of the Fermilab Tevatron collider. We use candidate events in lepton+jets and dilepton final states.…

High Energy Physics - Experiment · Physics 2009-07-20 Jiri Kvita

We show that the angular distributions of leptons or jets due to ttbar spin correlations allow a determination of the top chromomagnetic moment kappa with an accuracy of order 0.1. The method is quite insensitive to background, event…

High Energy Physics - Phenomenology · Physics 2011-03-23 B. Holdom , T. Torma

This is an overview of top quark search, with particular emphasis on the more recent results. After a brief introduction to the basic constituents of matter and their interactions, I shall discuss the indirect evidences for the existence of…

High Energy Physics - Phenomenology · Physics 2009-09-25 D. P. Roy

After the discovery of the top quark more than 20 years ago, its properties have been studied in great detail both in production and in decay. Increasingly sophisticated experimental results from the Fermilab Tevatron and from Run 1 and Run…

High Energy Physics - Experiment · Physics 2017-05-19 Ulrich Husemann

We review the most recent results on top quark production at the Tevatron including the measurements of the top quark pair ($t \bar t$) production cross section, the forward-backward asymmetry, the spin correlations and the ratio of…

High Energy Physics - Experiment · Physics 2012-08-10 Marc Besancon