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Related papers: Top Theories

200 papers

The techniques used to study top quarks at hadron colliders are presented. The analyses that discovered the top quark are described, with emphasis on the techniques used to tag b-quark jets in candidate events. The most recent measurements…

High Energy Physics - Experiment · Physics 2007-05-23 Pekka K. Sinervo

In this contribution I will highlight the new challenges for top quark physics at LHC Run II, focusing in particular on the interplay between precision studies on the top quark and searches for new physics. A new strategy to search for…

High Energy Physics - Phenomenology · Physics 2016-01-13 Roberto Franceschini

`Little Higgs' models, in which the Higgs particle arises as a pseudo-Goldstone boson, have a natural mechanism of electroweak symmetry breaking associated with the large value of the top quark Yukawa coupling. The mechanism typically…

High Energy Physics - Phenomenology · Physics 2009-11-10 Maxim Perelstein , Michael E. Peskin , Aaron Pierce

Flavour physics represents one of the most interesting and, at the same time, less understood sector of the Standard Theory. On the one hand, the peculiar pattern of quark and lepton masses, and their mixing angles, may be the clue to some…

High Energy Physics - Phenomenology · Physics 2016-10-12 Gino Isidori

At the time of the 10th International Workshop on Top Quark Physics (TOP2017), top quark physics is a very dynamic research area. Thanks to the unprecedentedly fast accumulation of high-energy data at the LHC during the ongoing Run~2,…

High Energy Physics - Experiment · Physics 2017-12-07 Andrea Giammanco

The flavor puzzles remain among the most compelling open questions in particle physics. The striking hierarchies observed in the masses and mixing of charged fermions define the Standard Model (SM) flavor puzzle, a profound structural…

High Energy Physics - Phenomenology · Physics 2025-06-23 Wolfgang Altmannshofer , Admir Greljo

We explore constraints on various new physics resonances from four top-quark production based on current experimental data. Both light and heavy resonances are studied in the work. A comparison of full width effect and narrow width…

High Energy Physics - Phenomenology · Physics 2021-09-22 Qing-Hong Cao , Jun-Ning Fu , Yandong Liu , Xiao-Hu Wang , Rui Zhang

We review some recent results on heavy quark production in high energy hadronic collisions. We will discuss in particular the status of production cross sections for bottom quarks and charmonium states and will present some studies on the…

High Energy Physics - Phenomenology · Physics 2009-09-25 Michelangelo MANGANO

A brief overview of the theory of open heavy flavor dynamics in QCD matter produced in high energy heavy-ion collisions is presented. First, we will summarise the phenomenological efforts to estimate the heavy quark diffusion coefficients…

Nuclear Theory · Physics 2023-08-03 Santosh K. Das

Models of top condensation can provide both a compelling solution to the hierarchy problem as well as an explanation of why the top-quark mass is large. The spectrum of such models, in particular topcolor-assisted technicolor, includes…

High Energy Physics - Phenomenology · Physics 2015-05-28 Yanou Cui , Zhenyu Han , Matthew D. Schwartz

In the last decade, huge progress in experimentally measuring and theoretically understanding flavor physics has been achieved. In particular, the accuracy in the determination of the CKM elements has been greatly improved, and a large…

High Energy Physics - Phenomenology · Physics 2015-05-18 Gino Isidori , Yosef Nir , Gilad Perez

This report represents the response of the Intensity Frontier Quark Flavor Physics Working Group to the Snowmass charge. We summarize the current status of quark flavor physics and identify many exciting future opportunities for studying…

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

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

I discuss recent work aimed at interpreting the top-quark mass measurements at the LHC and determining the theoretical uncertainty.

High Energy Physics - Phenomenology · Physics 2017-11-30 Gennaro Corcella

Almost two decades after its discovery at Fermilab's Tevatron collider experiments, the top quark is still under the spotlight due to its connections to some of the most interesting puzzles in the Standard Model. The Tevatron has been shut…

High Energy Physics - Experiment · Physics 2015-06-18 Fabrizio Margaroli

Recent developments in the theory of heavy quarks are reviewed. In the area of heavy quark fragmentation, there has been progress in the study of both pertubative and nonperturbative processes, including the identification of new observable…

High Energy Physics - Phenomenology · Physics 2008-02-03 Adam F. Falk

The prospects of single top quark physics at colliders of the TeV energy scale are discussed. Single top quark study allows a direct measurement of the $Wtb$ vertex and a precise probing physics beyond the Standard Model in various…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Belyaev

First observed in 1995, the top quark is one of a pair of third-generation quarks in the Standard Model of particle physics. It has charge +2/3e and a mass of 171.4 GeV, about 40 times heavier than its partner, the bottom quark. The CDF and…

High Energy Physics - Experiment · Physics 2019-08-15 A. P. Heinson

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