English
Related papers

Related papers: Studying the $Wtb$ vertex structure using recent L…

200 papers

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

Recent measurements of top-quark properties at the LHC and at the Tevatron are presented. The results include precision measurements of standard model parameters, such as the top-quark mass, the measurement of angular distributions as well…

High Energy Physics - Experiment · Physics 2015-11-24 Andreas B. Meyer

In the standard model, for the t --> W b decay mode, the relative phase is 0-degrees between the dominant A(0,-1/2) and A(-1, -1/2) helicity amplitudes. However, in the case of an additional large t_R --> b_L chiral weak-transition moment,…

High Energy Physics - Phenomenology · Physics 2008-10-09 Charles A. Nelson

A review of recent combinations of top-quark measurements performed at the LHC, by the ATLAS and CMS collaborations, is provided. The typical uncertainty categorisations, and their assumed correlation patterns are presented, together with…

High Energy Physics - Experiment · Physics 2019-08-14 Giorgio Cortiana

With the full Tevatron Run II and early LHC data samples, the opportunity for furthering our understanding of the properties of the top quark has never been more promising. Although the current knowledge of the top quark comes largely from…

High Energy Physics - Experiment · Physics 2015-06-03 Kevin Lannon , Fabrizio Margaroli , Chris Neu

A measurement of the top quark mass is reported in events containing a single top quark produced via the electroweak t channel. The analysis is performed using data from proton-proton collisions collected with the CMS detector at the LHC at…

High Energy Physics - Experiment · Physics 2017-06-01 CMS Collaboration

The LHeC is a proposed upgrade of the LHC to study $ep/eA$ collisions in the TeV regime, by adding a 60 GeV electron beam through an energy recovery linac. In $ep$, high precision top and electroweak physics can be performed, such as…

High Energy Physics - Experiment · Physics 2015-11-18 Zhiqing Zhang

We consider the production of a single top quark in association with a $W$ boson at LHeC based $\gamma p$ collider. We compute the cross section for the process $\gamma p\rightarrow WtX$ with the anomalous $Wtb$ and $Wtb\gamma$ couplings.…

High Energy Physics - Phenomenology · Physics 2014-02-11 I. T. Cakir , A. Senol , A. T. Tasci

The top quark, discovered in 1995 at the Fermilab Tevatron collider from CDF and D0 experiments, remains by far the most interesting particle to test standard model because of its large mass and unique properties. Having data collected…

High Energy Physics - Experiment · Physics 2015-06-03 Hyun Su Lee

Measurements of several top-quark properties, obtained from the CMS data collected in 2011 and 2012 at centre-of-mass energies of 7 and 8 TeV are presented. The results include measurements of the top pair charge asymmetry, the W helicity…

High Energy Physics - Experiment · Physics 2019-08-14 Efe Yazgan

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

We review and update current limits on possible anomalous couplings of the top quark to gauge bosons. We consider data from top quark decay (as encoded in the $W$-boson helicity fractions) and single-top production (in the $t$-, $s$- and…

High Energy Physics - Phenomenology · Physics 2014-06-23 M. Fabbrichesi , M. Pinamonti , A. Tonero

The latest measurements of the top quark mass obtained by the ATLAS and CMS experiments at the LHC for centre-of-mass energies of 7 and 8 TeV are presented. The mass of the top quark is measured using several methods and channels, including…

High Energy Physics - Experiment · Physics 2015-09-11 Sven Menke

Top quarks are a prime system for hunting for new physics. Nonetheless, two decades on from their discovery few of their couplings have been measured to high precision. We present an overview of current determinations and the expected…

High Energy Physics - Experiment · Physics 2013-09-17 Jahred Adelman , Matthew Baumgart , Aran Garcia-Bellido , Andrey Loginov

At hadron colliders, top quarks are dominantly produced in pairs ($t\bar{t}$), a production mechanism that was discovered more than twenty years ago at the Tevatron in Fermilab. Although the \ttbar process has already entered the domain of…

High Energy Physics - Experiment · Physics 2019-08-13 Juan R. González Fernández

New vector-like quarks can have sizable couplings to first generation quarks without conflicting with current experimental constraints. The coupling with valence quarks and unique kinematics make single production the optimal discovery…

High Energy Physics - Phenomenology · Physics 2015-03-18 Anupama Atre , Georges Azuelos , Marcela Carena , Tao Han , Erkcan Ozcan , José Santiago , Gokhan Unel

We present a combination of measurements of the mass of the top quark, $m_{\rm top}$, performed by the CDF and D0 experiments at the Tevatron collider and the ATLAS and CMS experiments at the Large Hadron Collider (LHC). The Tevatron data…

High Energy Physics - Experiment · Physics 2014-03-19 The ATLAS , CDF , CMS , D0 Collaborations

Overview on top couplings measurements is presented, and the prospects of future measurements are discussed. The coupling of top to the W boson can be examined either by looking at the decay of the top quark or from single top quark…

High Energy Physics - Experiment · Physics 2013-09-17 Jahred Adelman , Barbara Alvarez Gonzalez , Yang Bai , Matthew Baumgart , Richard Keith Ellis , Sasha Khanov , Andrey Loginov , Marcel Vos

Verifying $V_{tb} \simeq 1$ is critical to test the three generation assumption of the Standard Model. So far our best knowledge of $V_{tb}$ is inferred either from the $3\times 3$ unitarity of CKM matrix or from single top-quark…

High Energy Physics - Phenomenology · Physics 2015-12-01 Qing-Hong Cao , Bin Yan

Cross section measurements of top quark production in association with a vector boson in proton-proton collisions at $\sqrt{s}=13\,\mathrm{TeV}$ at the CERN LHC provide an important probe of the electroweak top quark couplings. In this…

High Energy Physics - Experiment · Physics 2022-01-03 Joscha Knolle
‹ Prev 1 3 4 5 6 7 10 Next ›