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Related papers: Top Confinement

200 papers

I will briefly review the physics of top quark at high energy colliders. A new discovery of single-top event at the Fermilab Tevatron is expected. At the CERN Large Hadron Collider, detailed top quark properties can be measured and new…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. -P. Yuan

Top quark production in the process $e^+e^- \rightarrow t\bar{t}$ at a future linear electron positron collider with polarized beams is a powerful tool to determine the scale of new physics. Studies at the $\ttbar$ threshold will allow for…

High Energy Physics - Experiment · Physics 2014-01-07 D. Asner , A. Hoang , Y. Kiyo , R. Pöschl , Y. Sumino , M. Vos

We study electroweak symmetry breaking involving the seesaw mechanism of quark condensation. These models produce a composite Higgs boson involving the left-handed top quark, yet the top mass arises naturally at the observed scale. We…

High Energy Physics - Phenomenology · Physics 2009-09-11 R. Sekhar Chivukula , Bogdan A. Dobrescu , Howard Georgi , Christopher T. Hill

Electroweak dipole moments of the top quark are conjectured and their effect in polarized $e^+e^-$ collisions is examined for the expectation values of two different $CP$-odd observables. One of these observables probes the real part of the…

High Energy Physics - Phenomenology · Physics 2010-11-01 Frank Cuypers , Saurabh Rindani

The top-quark mass is a parameter of paramount importance in particle physics, playing a crucial role in the electroweak precision tests and in the stability of the Standard Model vacuum. I will discuss the main strategies to extract the…

High Energy Physics - Phenomenology · Physics 2019-03-29 Gennaro Corcella

In theories of Partial Compositeness the top quark is a mixture of a composite and an elementary state, and as a consequence its interactions with gauge bosons are expected to deviate from those of a point-like object. At sufficiently large…

High Energy Physics - Phenomenology · Physics 2019-08-21 Diogo Buarque Franzosi , Alberto Tonero

We report first results from the investigation on probing dynamical mechanism of the electroweak symmetry breaking using top quark. We consider the case where the top mass originates from a fermion-antifermion pair condensate, which…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Asaka , N. Maekawa , T. Moroi , Y. Shobuda , Y. Sumino

Recent electroweak precision measurements from e+e- and pbarp colliders are presented. Some emphasis is placed on the recent developments in the heavy flavor sector. The measurements are compared to predictions from the Standard Model of…

High Energy Physics - Experiment · Physics 2007-05-23 Marcel Demarteau

The minimal dynamical electroweak symmetry breaking through top condensation in the presence of compact large extra dimensions is studed. It is shown that thanks to the power-low evolution of gauge and Yukawa couplings the original BHL…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. B. Kobakhidze

We present the recent results of top-quark physics using up to 6 fb$^{-1}$ of $p\bar{p}$ collisions analyzed by the CDF collaboration. The large number of top quark events analyzed, of the order of several thousands, allows stringent checks…

High Energy Physics - Experiment · Physics 2011-12-05 Karolos Potamianos

We study possible theoretical deviations from SM in top quark physics which alter the decay properties of the top quark. Using effective filed theory techniques we parametrize the effects of potential NP of scales well above the electroweak…

High Energy Physics - Phenomenology · Physics 2012-10-19 Jure Drobnak

We review models of electroweak symmetry breaking due to new strong interactions at the TeV energy scale and discuss the prospects for their experimental tests. We emphasize the direct observation of the new interactions through high-energy…

High Energy Physics - Phenomenology · Physics 2011-01-13 T. L. Barklow , G. Burdman , R. S. Chivukula , B. A. Dobrescu , P. S. Drell , N. Hadley , W. B. Kilgore , M. E. Peskin , J. Terning , D. R. Wood

After a brief comment on the role of top quark in models of electroweak symmetry breaking (EWSB), I shall discuss what we know about top quark interaction and how to improve that knowledge. Since bottom quark is the weak isospin partner of…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. -P. Yuan

The physics case for studying top-quark physics at the International Linear Collider is well established. This summary places in context the top-quark physics goals, examines the current state-of-the art in understanding of the top-quark…

High Energy Physics - Phenomenology · Physics 2009-03-09 Zack Sullivan

We consider constraints on models in which a top quark mass is generated through unenhanced extended technicolor interactions. The deviation in the $\rho$ parameter from unity and $B$--$\overline{B}$ mixing could be large, but given the…

High Energy Physics - Phenomenology · Physics 2009-09-15 L. Randall

The top quark is by far the most massive fundamental particle observed so far, and the study of its properties is interesting for several reasons ranging from its possible special role in electroweak symmetry breaking to its sensitivity to…

High Energy Physics - Experiment · Physics 2007-05-23 Gervasio Gomez

This paper presents a personal point of view on the prospects open for top quark physics analyses at the LHC with 10 fb$^{-1}$ of pp collisions at 7 TeV. We discuss the main directions for improvement for the analyses presented at TOP2011…

High Energy Physics - Experiment · Physics 2022-03-02 Andrea Giammanco

There is strong evidence that new physical degrees of freedom and new phenomena exist and may be revealed in future collider experiments. The best hints of what this new physics might be are provided by electroweak symmetry breaking. I…

High Energy Physics - Phenomenology · Physics 2009-11-07 Bogdan A. Dobrescu

The polarization of a top quark can be sensitive to new physics beyond the standard model. Since the charged lepton from top quark decay is maximally correlated with the top quark spin, it is common to measure the polarization from the…

High Energy Physics - Phenomenology · Physics 2013-05-30 Edmond L. Berger , Qing-Hong Cao , Jiang-Hao Yu , Hao Zhang

The experimental status of measurements of the top quark mass is reviewed. After an introduction to the definition of the top quark mass and the production and decay of top quarks, an in-depth comparison of the analysis techniques used in…

High Energy Physics - Experiment · Physics 2010-03-03 Frank Fiedler