English
Related papers

Related papers: Top properties in $t\bar{t}$ events at CMS (includ…

200 papers

Due to its high mass top quarks decay before top-flavoured hadrons can be formed. This feature yields experimental access to the top quark polarization and production asymmetries. The large top quark sample moreover enables measurements of…

High Energy Physics - Experiment · Physics 2024-04-18 Nello Bruscino

For standard model (SM) processes involving top quarks, such as top quark-antiquark pair production or single top quark production, the theoretical predictions depend on fundamental parameters of the SM like the top quark mass. Using the…

High Energy Physics - Experiment · Physics 2024-09-25 Sebastian Wuchterl

This contribution presents recent cross section measurements for top quark pair production (tt) and single top quark production in association with a W boson (tW) in proton-proton collisions at the CMS experiment at LHC. For tt production,…

High Energy Physics - Experiment · Physics 2026-02-04 Javier del Riego

Top quarks are produced copiously at the LHC, and a variety of related measurements has been made in the recent years by the two collaborations ATLAS and CMS. The most recent measurements of the top quark mass by the two collaborations are…

High Energy Physics - Experiment · Physics 2018-01-10 Andrea Castro

We present recent measurements of the top quark mass by the ATLAS and CMS experiments in the $\mathrm{t}\overline{\mathrm{t}}$ lepton+jets, all-hadronic, and dilepton channels. In addition, we present a measurement using a topology enriched…

High Energy Physics - Experiment · Physics 2015-12-09 Nathan Mirman

A new set of measurements of the top quark mass are presented, based on the proton-proton data recorded by the CMS experiment at the LHC at sqrt(s) = 8 TeV corresponding to a luminosity of 19.7 inverse femtobarns. The top quark mass is…

High Energy Physics - Experiment · Physics 2016-04-15 CMS Collaboration

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 top quark is by far the most massive fundamental particle observed so far, and the study of its properties is interesting for several reasons ranging from its possible special role in electroweak symmetry breaking to its sensitivity to…

High Energy Physics - Experiment · Physics 2007-05-23 Gervasio Gomez

A summary of studies of electroweak top-quark production performed by the CMS collaboration is presented. The results include measurements of production cross sections, extraction of the value of $|V_{tb}|$, determination of W-boson…

High Energy Physics - Experiment · Physics 2019-08-13 Andrey Popov

This review summarizes the highlights in the area of top quark physics obtained with the two general purpose detectors ATLAS and CMS during the first two years of operation of the Large Hadron Collider LHC. It covers the 2010 and 2011 data…

High Energy Physics - Experiment · Physics 2013-04-18 Frank-Peter Schilling

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

Selected topics of the top-quark mass measurements in well-defined schemes are presented. The measurements have been performed using data recorded with the ATLAS and CMS detectors at the LHC at proton-proton centre-of-mass energies of 7 and…

High Energy Physics - Experiment · Physics 2019-03-06 Teresa Barillari

The LHC collider plans to start in 2007, after which millions of top quarks will be produced at the collision points. In the first period of data taking these events will provide an essential calibration tool for the ATLAS and CMS…

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

A measurement of the top quark mass is performed using a data sample enriched with single top quark events produced in the $t$ channel. The study is based on proton-proton collision data, corresponding to an integrated luminosity of 35.9…

High Energy Physics - Experiment · Physics 2021-12-30 CMS Collaboration

We review recent measurements of the properties of the top quark by the D0 experiment: the decay width of the top quark, the CKM matrix element $V_{tb}$, the helicity of the $W$ boson, anomalous couplings at the $Wtb$ vertex, violation of…

High Energy Physics - Experiment · Physics 2019-08-14 Oleg Brandt

We report on a simultaneous measurement of the top quark, W boson, and neutrino masses in $t\bar{t}$ dilepton decays with $4.98 \mathrm{fb}^{-1}$ of data from the CMS experiment. The analysis is based on endpoint determinations in kinematic…

High Energy Physics - Experiment · Physics 2019-08-13 Benjamin Nachman

The latest results of the ATLAS and CMS experiments on top quark property measurements and interpretations in the EFT framework are presented. All measurements are based on the full LHC Run 2 dataset of approximately $138\,\textrm{fb}^{-1}$…

High Energy Physics - Experiment · Physics 2023-06-06 Jan van der Linden

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

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

Properties of the top-quark are presented, with emphasis on the most recent ATLAS measurements of the mass and $t\bar{t}$ spin correlations, obtained with proton-proton collision data collected at the Large Hadron Collider. Normalised…

High Energy Physics - Experiment · Physics 2019-09-10 Markus Cristinziani