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Related papers: Top Quarks at Photon Colliders

200 papers

Two photon collisions offer a variety of physics studies that can be performed at the future electron-positron colliders. Using the planned CEPC parameters as a benchmark we consider several topics to be studied in the two-photon…

High Energy Physics - Phenomenology · Physics 2022-12-14 I. R. Boyko , V. V. Bytev , A. S. Zhemchugov

The top quark pairs produced at a polarized muon collider are in a (nearly) pure spin configuration. This result holds for all center-of-mass energies, and is insensitive to the next-to-leading order QCD radiative corrections. The decay…

High Energy Physics - Phenomenology · Physics 2009-10-31 Gregory Mahlon , Stephen Parke

A few key issues of present and future explorations of the physics of top quarks at the Tevatron and LHC are discussed.

High Energy Physics - Phenomenology · Physics 2022-03-02 Werner Bernreuther

Evidence for pair production of a new particle consistent with the Standard Model top quark has been reported recently by groups studying proton anti-proton collisions at 1.8 TeV center of mass energy at the Fermi National Accelerator…

High Energy Physics - Experiment · Physics 2008-11-26 C. Campagnari , M. Franklin

Due to the large production cross-section, many of the top quark properties can be measured very precisely at the LHC. A very few recent results, probed only through the top quark decay vertices are presented here. These results are based…

High Energy Physics - Experiment · Physics 2017-10-13 Prolay Kumar Mal

The Large Hadron Collider (LHC) will provide a huge amount of top-antitop events, making the LHC a top quark factory, producing 1 tt pair per second at a luminosity of 10^33cm-2s-1. A large top quark sample will be available from the start…

High Energy Physics - Experiment · Physics 2019-08-14 M. Vander Donckt

A new interaction that confines the top quark at the electroweak scale is proposed to account for a top quark mass potentially close in value to the electroweak scale.

High Energy Physics - Phenomenology · Physics 2012-08-27 Bijan Haeri,

The Run I experiments at the Fermilab Tevatron Collider discovered the top quark and provided first measurements of many of its properties. Run II (and eventually the LHC and NLC experiments) promise to extend our knowledge of the top quark…

High Energy Physics - Phenomenology · Physics 2017-08-23 Elizabeth H. Simmons

High energy photon colliders based on laser backscattering are a very natural extension of a e+e- linear colliders and open new possibilities to study of the matter. This option has been included in the pre-conceptual designs of linear…

High Energy Physics - Experiment · Physics 2015-06-25 Valery Telnov

We present the next-to-leading-order cross sections of the heavy quark-antiquark pair production in polarized photon-photon collision for the general case of photon polarizations. The numerical results for top-antitop production cross…

High Energy Physics - Phenomenology · Physics 2009-10-31 George Jikia , Avto Tkabladze

We investigated top quark effects on virtual photon structure functions by pQCD. We include the top quark mass effects on the virtual photon structure function with the quark parton model and with the operator product expansion up to the…

High Energy Physics - Phenomenology · Physics 2011-08-17 Yoshio Kitadono

Kinematic reconstruction of top quarks allows to define a set of kinematic observables relevant to various physics processes that involve top quarks and provides an additional handle for the suppression of background events. Radiation of…

High Energy Physics - Experiment · Physics 2021-12-03 Didar Dobur , Joscha Knolle , Gianny Mestdach , Kirill Skovpen

A summary of the most recent results on top quark physics obtained at Fermilab's Tevatron proton-antiproton collider, operating at a centre of mass energy of 1.96 TeV, is presented. Measurements of the top pair and single top quark…

High Energy Physics - Experiment · Physics 2019-08-14 Jeannine Wagner-Kuhr

We summarize the expectations for the top quark mass in supersymmetric models and discuss the potential implications of its value measured by the CDF group in Fermilab.

High Energy Physics - Phenomenology · Physics 2009-10-28 Stefan Pokorski

Measurements of top quark properties performed at the Large Hadron Collider are reviewed, with a particular emphasis on top-pair charge asymmetries, spin correlations and polarization measurements performed by the ATLAS and CMS…

High Energy Physics - Experiment · Physics 2014-10-30 Richard Hawkings

We present recent measurements on top quark physics obtained at the Fermilab Tevatron $p\bar p$ collider by the CDF and D0 collaborations. We discuss the measurements of the top quark mass using direct and indirect methods of extraction,…

High Energy Physics - Experiment · Physics 2018-05-24 Boris Tuchming

We study the quantum properties of top quark pairs in lepton colliders with unpolarised beams, including spin correlations, entanglement, and violation of Bell inequalities. We present analytical results in the SM and in the SMEFT and…

High Energy Physics - Phenomenology · Physics 2024-09-27 Fabio Maltoni , Claudio Severi , Simone Tentori , Eleni Vryonidou

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

A comprehensive review of physics at an e+e- Linear Collider in the energy range of sqrt{s}=92 GeV--3 TeV is presented in view of recent and expected LHC results, experiments from low energy as well as astroparticle physics.The report…

A review on recent top quark properties measurements by the ATLAS and CMS Collaborations in pp collisions at the LHC is presented.

High Energy Physics - Experiment · Physics 2023-11-28 Hugo Alberto Becerril Gonzalez