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Related papers: Determination of Top-quark Asymmetries at the ILC

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A measurement of the top-antitop production charge asymmetry A_C is presented using data corresponding to an integrated luminosity of 1.04 fb^-1 of pp collisions at sqrt(s) = 7 TeV collected by the ATLAS detector at the LHC. Events are…

High Energy Physics - Experiment · Physics 2012-08-27 ATLAS Collaboration

This document discusses for the first time the experimental prospects on the measurement of cross section and the forward-backward asymmetry in $e^{-}e^{+}\rightarrow c\bar{c}$ collisions at 250 GeV at the International Linear Collider…

High Energy Physics - Experiment · Physics 2020-02-17 A. Irles , R. Pöeschl , F. Richard

At the LHC, top quark pairs are dominantly produced from gluons, making it difficult to measure the top quark forward-backward asymmetry. To improve the asymmetry measurement, we study variables that can distinguish between top quarks…

High Energy Physics - Phenomenology · Physics 2015-05-28 Yang Bai , Zhenyu Han

The charge asymmetry in hadronic top-antitop-quark production is a powerful test observable of perturbative quantum chromodynamics. Since its origin in terms of Feynman diagrams is distinct from charge-symmetric top-antitop production,…

High Energy Physics - Phenomenology · Physics 2015-01-30 Susanne Westhoff

With the next start of LHC, a huge production of top quarks is expected. There are several models that predict the existence of heavy colored resonances decaying to top quarks in the TeV energy range. A peak in the differential cross…

High Energy Physics - Phenomenology · Physics 2009-09-02 Paola Ferrario , German Rodrigo

The LHC will be a top-quark factory. With 80 million pairs of top quarks and an additional 34 million single tops produced annually at the designed high luminosity, the properties of this particle will be studied to a great accuracy. The…

High Energy Physics - Phenomenology · Physics 2009-01-06 Tao Han

The Technical Design Report (TDR) of the ILC mainly concentrates on a baseline machine of 500 GeV centre-of-mass with detailed cost and manpower estimates consistent with this option. However, the discovery of a Higgs Boson with a mass of…

Accelerator Physics · Physics 2017-11-22 Lyn Evans , Shinichiro Michizono

The ILC Technical Design Report documents the design of a 500 GeV linear collider, but does not specify the center-of-mass energy steps of operation for the collider. The ILC Parameters Joint Working Group has studied possible running…

High Energy Physics - Experiment · Physics 2015-11-18 James E. Brau , representing ILC Parameters Joint Working Group , : , T. Barklow , J. Brau , K. Fujii , J. Gao , J. List , N. Walker , K. Yokoya

We have studied the associated production processes of a neutral top-Higgs in the topcolor assisted technicolor model with a pair of heavy quarks in \gamma\gamma collisions at the International Linear Collider (ILC). We find that the cross…

High Energy Physics - Phenomenology · Physics 2015-05-18 Jinshu Huang , Gongru Lu , Wei Xu , Shuaiwei Wang

This article reviews the physics case for the ILC. Baseline running at 500 GeV as well as possible upgrades and options are discussed. The opportunities on Standard Model physics, Higgs physics, Supersymmetry and alternative theories beyond…

High Energy Physics - Phenomenology · Physics 2009-09-29 Abdelhak Djouadi , Joseph Lykken , Klaus Mönig , Yasuhiro Okada , Mark Oreglia , Satoru Yamashita

The International Linear Collider (ILC) is a proposed electron-positron collider with a center-of-mass energy of 500~GeV, and a peak luminosity of $2 \cdot 10^{34}~\mathrm{cm}^{-2}\mathrm{s}^{-1}$. The ILC will complement the Large Hadron…

Accelerator Physics · Physics 2010-10-29 Iftach Sadeh

Both D0 and CDF at Tevatron reported the measurements of forward-backward asymmetry in top pair production, which showed possible deviation from the standard model QCD prediction. In this paper, we explore how to examine the {\em same}…

High Energy Physics - Phenomenology · Physics 2011-02-01 You-kai Wang , Bo Xiao , Shou-hua Zhu

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

Highlights of measurements of the properties of the top quark at the LHC are presented. The measurements probe a range of the properties of the top quark, including the structure of the $Wtb$ vertex, the top-Z coupling and the top-quark…

High Energy Physics - Experiment · Physics 2017-05-26 Mark Owen

We consider the top quark charge asymmetry in the process $pp \to t\bar{t}+\gamma$ at the 13 TeV LHC. The genuine tree level asymmetry in the $q\bar{q}$ channel is large with about -12%. However, the symmetric $gg$ channel, photon radiation…

High Energy Physics - Phenomenology · Physics 2019-03-27 Jonas Bergner , Markus Schulze

Single top quark production at the ILC can be used to obtain a high precision measurements of the the Vtb CKM matrix element as well as the effective tbW coupling. We have calculated the QCD correction for the cross section in the context…

High Energy Physics - Phenomenology · Physics 2011-04-22 F. Penunuri , F. Larios , Antonio O. Bouzas

The International Linear Collider (ILC) will collide polarised electrons and positrons at beam energies of 45.6 GeV to 250 GeV and optionally up to 500 GeV. To fully exploit the physics potential of this machine, not only the luminosity and…

Instrumentation and Detectors · Physics 2008-10-13 C. Helebrant , D. Käfer , J. List

The International Large Detector (ILD) is a concept for a detector at the International Linear Collider, ILC. The ILC will collide electrons and positrons at energies of initially 500 GeV, upgradeable to 1 TeV. The ILC has an ambitious…

High Energy Physics - Experiment · Physics 2012-08-27 The ILD Concept Group

The plan for the International Linear Collider (ILC) is now being prepared as a staged design, with the first stage of 2 ${\rm ab^{-1}}$ at 250GeV and later stages achieving the full project specifications with 4 ${\rm ab^{-1}}$ at 500 GeV.…

High Energy Physics - Experiment · Physics 2021-06-18 Tomohisa Ogawa

The ILC Technical Design Report documents the design for the construction of a linear collider which can be operated at energies up to 500 GeV. This report summarizes the outcome of a study of possible running scenarios, including a…

High Energy Physics - Experiment · Physics 2015-06-26 T. Barklow , J. Brau , K. Fujii , J. Gao , J. List , N. Walker , K. Yokoya