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Related papers: Top pair production at a future $e^+e^-$ machine i…

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The top quark is the heaviest elementary particle known and its mass ($m_{\rm top}$) is a fundamental parameter of the Standard Model (SM). The $m_{\rm top}$ value affects theory predictions of particle production cross-sections required…

High Energy Physics - Experiment · Physics 2015-10-16 Giorgio Cortiana

The left-right twin $Higgs$ ($LRTH$) model is a concrete realization of the twin $Higgs$ mechanism, which predicts the existence of the top partner $T$. In this paper, we consider production of $T$ associated with the top quark $t$ at the…

High Energy Physics - Phenomenology · Physics 2009-05-29 Chong-Xing Yue , Hui-Di Yang , Wei Ma

In this talk we present the current status of the theoretical description of the production of top-quark pairs at the LHC, detailing recent progress for predictions at the stable-top level as well as for predictions that include the decay…

High Energy Physics - Phenomenology · Physics 2018-01-08 Andrew S. Papanastasiou

We study the sensitivity reach to probe the electroweak dipole operators associated with a top quark at a multi-TeV lepton collider. Studying the electroweak dipole operators is strongly motivated by precision physics. The operators exhibit…

High Energy Physics - Phenomenology · Physics 2025-02-20 Tao Han , Da Liu , Si Wang

Running a future Linear Collider at the top pair threshold allows for precise measurements of the mass, the widths and the couplings of the top quark. I give a nontechnical review on recent theoretical developments and the theory status in…

High Energy Physics - Phenomenology · Physics 2009-11-11 Andre H. Hoang

We briefly review the studies on the top quark FCNC processes at a next-generation linear collider. Such processes, including various FCNC top quark rare decays and top-charm associated productions, are extremely suppressed in the standard…

High Energy Physics - Phenomenology · Physics 2009-11-10 Jin Min Yang

Like many other models, Composite Higgs Models feature the existence of heavy vector-like quarks. Mixing effects between the Standard Model fields and the heavy states, which can be quite large in case of the top quark, imply deviations…

High Energy Physics - Phenomenology · Physics 2015-06-17 Marc Gillioz , Ramona Grober , Andreas Kapuvari , Margarete Muhlleitner

The next-to-leading order analysis for the cross section for hadroproduction of top quark pairs close to threshold is presented. Within the framework of non-relativistic QCD a significant enhancement compared to fixed order perturbation…

High Energy Physics - Phenomenology · Physics 2009-03-30 Y. Kiyo , J. H. Kühn , S. Moch , M. Steinhauser , P. Uwer

We explore various aspects of top quark phenomenology at the Large Hadron Collider and proposed future machines. After summarising the role of the top quark in the Standard Model (and some of its well-known extensions), we discuss the…

High Energy Physics - Phenomenology · Physics 2018-02-01 Michael Russell

The processes of six-quark production with one $b\bar b$ pair are studied by means of a complete tree-level electroweak calculation. The top-quark signal is examined: the importance of electroweak backgrounds, of the order of 10% above the…

High Energy Physics - Phenomenology · Physics 2009-10-31 F. Gangemi , G. Montagna , M. Moretti , O. Nicrosini , F. Piccinini

Aspects of top quark physics can be studied at a future Circular Electron-Positron Collider (CEPC). In particular, Flavor-Changing Neutral Current interactions (FCNC) of the top quark can be studied even with a center-of-mass energy from…

High Energy Physics - Phenomenology · Physics 2022-02-10 M. A. Arroyo-Ureña , J. Lorenzo Díaz-Cruz , R. Gaitán , J. H. Montes de Oca , T. A. Valencia-Pérez

We report on the precision determination of the top-quark mass to next-to-next-to-leading order in QCD in well-defined renormalization schemes using data from the Large Hadron Collider for single-top and top-quark pair production. We also…

High Energy Physics - Phenomenology · Physics 2018-09-28 Sven-Olaf Moch , Jürgen Reuter

The determination of the electromagnetic dipole moments of the top quark is one of the most important goals of the top quark physics program in the collider experiments. For this reason, the top quark pair production to investigate the…

High Energy Physics - Phenomenology · Physics 2019-12-03 M. Koksal

In recent years, an interest in the study of quantum information has grown within the high-energy particle physics community. The possibility to establish the presence of entanglement at particle colliders, such as the Large Hadron Collider…

High Energy Physics - Phenomenology · Physics 2022-11-09 Luca Mantani

In this letter, we evaluate potential of linear $e^+e^-$ colliders to measure the top quark mass in radiative events and in a suitable short-distance scheme. We present a calculation of the differential cross section for production of a top…

High Energy Physics - Phenomenology · Physics 2020-03-11 Marça Boronat , Esteban Fullana , Juan Fuster , Pablo Gomis , André Hoang , Vicent Mateu , Marcel Vos , Angelika Widl

Top quark pair production close to threshold at a next linear collider is discussed, with special focus on the influence of rescattering corrections. Numerical results are shown for the differential cross-section, i.e. the momentum…

High Energy Physics - Phenomenology · Physics 2011-03-02 M. Peter

I survey the characteristics of hadron colliders as tools to investigate top-quark physics and to explore the 1-TeV scale of electroweak symmetry breaking.

High Energy Physics - Phenomenology · Physics 2007-05-23 Chris Quigg

A review is presented of the current experimental status of the top quark sector of the standard model. The measurements summarized include searches for electroweak single top production, the latest results on the ttbar production cross…

High Energy Physics - Experiment · Physics 2010-04-22 Erich W. Varnes

If the top quark is a composite state made out of some constituents, its interaction with the gluon will be modified. We introduce the leading effective operators that contribute to the radius and anomalous magnetic moment of the top quark…

High Energy Physics - Phenomenology · Physics 2014-04-23 M. Fabbrichesi , M. Pinamonti , A. Tonero

The LHC will be a top quark factory. In this note, the central role of the top quark for LHC physics will be discussed, and an overview will be given of the studies of top quark properties in preparation, with an emphasis on the systematic…

High Energy Physics - Experiment · Physics 2009-03-02 P. de Jong
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