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We measure the mass of the top quark using top quark pair candidate events in the lepton+jets channel from data corresponding to 1 fb-1 of integrated luminosity collected by the D0 experiment at the Fermilab Tevatron collider. We use a…

High Energy Physics - Experiment · Physics 2008-12-18 D0 Collaboration , V. Abazov

We present a measurement of the top-quark mass, $M_{\mathrm{top}}$, in the all-hadronic decay channel $t\bar{t} \to W^+b W^- \bar{b} \to q_1\bar{q}_2 b q_3 \bar{q}_4 \bar{b}$. The analysis is performed using 310 pb$^{-1}$ of $\sqrt{s}$=1.96…

High Energy Physics - Experiment · Physics 2010-05-12 T. Aaltonen

A top-quark reconstruction method for CLIC is described. The reconstructed events are used to measure the e+ e- -> t \bar{t} cross-section as well as the forward-backward asymmetry. The results suggest that the relative measurement accuracy…

High Energy Physics - Experiment · Physics 2007-05-23 Laura Salmi

The mass of the top quark is measured in a data set corresponding to 4.6 fb$^{-1}$ of proton-proton collisions with centre-of-mass energy $\sqrt{s}=7$ TeV collected by the ATLAS detector at the LHC. Events consistent with hadronic decays of…

High Energy Physics - Experiment · Physics 2015-04-29 ATLAS Collaboration

We present the calculation of the next-to-leading order QCD corrections for top-quark pair production in association with an additional jet at hadron colliders, using the modified minimal subtraction scheme to renormalize the top-quark…

High Energy Physics - Phenomenology · Physics 2017-12-11 J. Fuster , A. Irles , D. Melini , P. Uwer , M. Vos

Taking advantage of large top production rates at the LHC, the leptonic final states with J/psi are explored for a precise determination of the top quark mass. The top is partially reconstructed by combining the isolated lepton from the W…

High Energy Physics - Phenomenology · Physics 2011-03-23 Avto Kharchilava

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 demonstrate a new likelihood method for extracting the top quark mass from events of the type ttbar-->bW(l+nu)bW(l+nu) This method estimates the top quark mass correctly from an ensemble of dilepton events. The method proposed by Dalitz…

High Energy Physics - Experiment · Physics 2009-12-30 Rajendran Raja

The most precise top quark mass measurements use kinematic reconstruction methods, determining the top mass parameter of a Monte Carlo event generator, $m_t^{\rm MC}$. Due to hadronization and parton shower dynamics, relating $m_t^{\rm MC}$…

High Energy Physics - Phenomenology · Physics 2016-12-07 Mathias Butenschoen , Bahman Dehnadi , Andre H. Hoang , Vicent Mateu , Moritz Preisser , Iain W. Stewart

The Large Hadron Collider (LHC) produces a vast sample of top-quark pairs and single-top quarks. Measurements of the inclusive top-quark production rates at the LHC have reached a precision of several percent and test advanced…

High Energy Physics - Experiment · Physics 2023-07-18 Miguel Angel Principe Martin

In this paper, we present an improved analysis of the top-quark pair production via the process $e^{+}e^{-}\to \gamma^{*}\to t\bar{t}$ near the threshold region up to next-to-next-to-next-to-leading order (N$^3$LO) QCD corrections. Near the…

High Energy Physics - Phenomenology · Physics 2024-04-25 Jiang Yan , Xing-Gang Wu , Zhi-Fei Wu , Jing-Hao Shan , Hua Zhou

The Compact Linear Collider (CLIC) is a mature option for a future electron-positron collider operating at centre-of-mass energies of up to 3 TeV. It incorporates a novel two-beam acceleration technique offering accelerating gradient of up…

High Energy Physics - Experiment · Physics 2022-09-21 Jan Klamka

We examine the ability of experimental measurements of top-quark pair production to constrain both the top-quark mass and the strong coupling within the global MSHT parton distribution function (PDF) fit. Specifically, we consider ATLAS and…

High Energy Physics - Phenomenology · Physics 2023-09-14 Thomas Cridge , Matthew A. Lim

We present a new approach for improving motif scanning accuracy, based on analysis of in-between similarity. Given a set of motifs obtained from a scanning process, we construct an associated weighted graph. We also compute the expected…

Quantitative Methods · Quantitative Biology 2022-03-23 Braslav Rabar , Keti Nižetić , Pavle Goldstein

We summarize the top-quark mass measurements from the CDF and DO experiments at Fermilab. We combine published Run-I (1992-1996) measurements with the most recent preliminary Run-II (2001-present) measurements using up to 1 fb-1 of data.…

High Energy Physics - Experiment · Physics 2019-08-15 Tevatron Electroweak Working Group

Latest results on inclusive top-quark pair production cross-sections are presented using collision data collected by ATLAS and CMS experiments at the LHC. Inclusive and differential measurements of top-quark pair production cross-sections…

High Energy Physics - Experiment · Physics 2022-01-10 Luca Martinelli

We present an optimized and physically motivated method for separating top quark signal events from background events at the Tevatron. For the top quark signal $t\bar t \to e/\mu + 4$ jets, we show how to reject all but $25\%$ of the…

High Energy Physics - Phenomenology · Physics 2009-10-28 P. Agrawal , D. Bowser-Chao , J. Pumplin

The CDF and D0 collaborations have updated their measurements of the mass of the top quark using proton-antiproton collisions at sqrt{s}=1.96TeV produced at the Tevatron. The uncertainties in each of the of top-antitop decay channels have…

High Energy Physics - Experiment · Physics 2019-08-14 Pedro A. Movilla Fernandez

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 measurements of the top quark mass given are obtained from ATLAS data taken at proton--proton centre-of-mass energies of $\sqrt{s}=7$ and $8$ TeV. An extraction of the top quark pole mass ($m_{\mathrm{top}}^{\mathrm{pole}}$) at…

High Energy Physics - Experiment · Physics 2017-09-29 Richard Nisius