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Related papers: Top Quark Production in Extended Bess Model

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We review the most recent results on top quark production at the Tevatron including the measurements of the top quark pair ($t \bar t$) production cross section, the forward-backward asymmetry, the spin correlations and the ratio of…

High Energy Physics - Experiment · Physics 2012-08-10 Marc Besancon

The Tevatron proton-antiproton collider at Fermilab with its centre of mass energy of 1.96 TeV is currently the only source for the production of top quarks. Its increased luminosity and centre of mass energy in Run II allow both collider…

High Energy Physics - Experiment · Physics 2019-08-14 Marc-André Pleier

Pseudo-Goldstone boson contributions to $t\bar{t}$ production rates in technicolor models with and without topcolor at the $\sqrt{s}=0.5 and 1.5$ TeV photon colliders and hadron colliders are reviewed. For reasonable ranges of the…

High Energy Physics - Phenomenology · Physics 2019-08-17 Hong-Yi Zhou , Yu-Ping Kuang , Chong-Xing Yue , Hua Wang , Gong-Ru Lu

We study the production of the Higgs boson in association with a single top quark at hadron colliders. The cross sections for the three production processes (t-channel, s-channel, and W-associated) at both the Tevatron and the LHC are…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Maltoni , K. Paul , T. Stelzer , S. Willenbrock

In this talk we review the physics of top-quark mass generation in models of dynamical electroweak symmetry breaking and the constraints on this physics arising from limits on the deviation of the weak interaction $\rho$-parameter from one.…

High Energy Physics - Phenomenology · Physics 2011-03-02 R. Sekhar Chivukula , Bogdan Dobrescu , John Terning

Taking into account the mixing effects between left- and right-handed top-squarks, we calculate the genuine supersymmetric eletroweak correction to top quark production at the Tevatron in the minimal supersymmetric model. The analytic…

High Energy Physics - Phenomenology · Physics 2016-08-24 Jin Min Yang , Chong Sheng Li

We examine the possibility that a new strong interaction is accessible to the Tevatron and the LHC. In an effective theory approach, we consider a scenario with a new color-octet interaction with strong couplings to the top quark, as well…

High Energy Physics - Phenomenology · Physics 2011-02-23 Gustavo Burdman , Leonardo de Lima , Ricardo D. Matheus

This letter presents evidence for the associated production of a W boson and a top quark using 2.05 fb^-1 of pp collision data at sqrt(s) = 7 TeV accumulated with the ATLAS detector at the LHC. The analysis is based on the selection of the…

High Energy Physics - Experiment · Physics 2015-03-20 ATLAS Collaboration

Top quarks are produced at the Tevatron proton-antiproton collider at Fermilab and at the Large Hadron (proton-proton) Collider at CERN in two ways: as quark-antiquark pairs, and singly. For each mode, the cross sections and future…

High Energy Physics - Experiment · Physics 2007-05-23 A. P. Heinson

The production cross--section and distributions of the top quark are sensitive to new physics, e.g., the $t\overline{t}$ system can be a probe of new resonances or gauge bosons that are strongly coupled to the top quark, in analogy to…

High Energy Physics - Phenomenology · Physics 2007-05-23 Stephen Parke

As the heaviest known fundamental particle, the top quark has taken a central role in the study of fundamental interactions. Production of top quarks in pairs provides an important probe of strong interactions. The top quark mass is a key…

High Energy Physics - Experiment · Physics 2008-11-26 R. Kehoe , M. Narain , A. Kumar

A search is presented for charge-asymmetric production of a W' boson that has been proposed to accommodate the forward-backward asymmetry observed in the production of top-antitop quark pairs at the Tevatron. The new heavy W' boson would be…

High Energy Physics - Experiment · Physics 2013-01-29 CMS Collaboration

The LHC is a promising machine to discover new physics in the top sector. There are several models that predict the existence of heavy colored resonances decaying to top quarks in the TeV energy range. The production of such resonances…

High Energy Physics - Phenomenology · Physics 2010-11-19 Paola Ferrario , German Rodrigo

A large forward-backward asymmetry is seen in both the top quark rapidity distribution $A_{FB}^t$ and in the rapidity distribution of charged leptons $A_{FB}^\ell$ from top quarks produced at the Tevatron. We study the kinematic and dynamic…

High Energy Physics - Phenomenology · Physics 2012-02-15 Edmond L. Berger , Qing-Hong Cao , Chuan-Ren Chen , Jiang-Hao Yu , Hao Zhang

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

Although the top quark has been discovered in 1995 and studied extensively by the Tevatron experiments, the top quark will remain special for years to come due to unique opportunities it offers. Because of the large top-antitop production…

High Energy Physics - Experiment · Physics 2019-08-13 Ashish Kumar

We summarize results of some crucial measurements of the top quark and W/Z boson properties carried out by the D0 and the CDF collaborations at the Tevatron collider at Fermilab based on data collected during Run 1 (1992-96). Among the…

High Energy Physics - Experiment · Physics 2007-05-23 Dhiman Chakraborty

The theoretical status of MSSM particle production at the hadron colliders Tevatron and LHC is reviewed, including next-to-leading order supersymmetric QCD corrections. The higher-order corrections significantly reduce the theoretical…

High Energy Physics - Phenomenology · Physics 2009-04-13 Michael Krämer

Exclusive production of transversely polarized heavy vector mesons in deep inelastic scattering at high energy is calculated at next-to-leading order accuracy in the Color Glass Condensate framework. In addition to the first QCD correction…

High Energy Physics - Phenomenology · Physics 2022-09-12 Heikki Mäntysaari , Jani Penttala

Several recent measurements at the Tevatron experiments point towards an anomalously large forward-backward asymmetry in top-antitop production. This article summarizes the main classes of physics beyond the standard model that can give…

High Energy Physics - Phenomenology · Physics 2011-08-18 Susanne Westhoff
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