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Related papers: Top quarks as a probe for heavy new physics

200 papers

Accelerator searches for new resonances have a long-standing history of discoveries that have driven advances in our understanding of nature. Since 2010, the Large Hadron Collider (LHC) has probed previously inaccessible energy scales,…

High Energy Physics - Experiment · Physics 2024-04-24 Barbara Clerbaux , Carl Gwilliam

The formation of hadrons is a fundamental process in nature that can be investigated at particle colliders. Given their large mass, heavy quarks (charm and beauty) are produced only in initial hard-scatterings, prior to hadronisation, which…

High Energy Physics - Experiment · Physics 2023-10-30 Andrea Rossi

Observables sensitive to top quark polarization are important for characterizing or even discovering new physics. The most powerful spin analyzer in top decay is the down-type fermion from the W, which in the case of leptonic decay allows…

High Energy Physics - Phenomenology · Physics 2014-11-19 Brock Tweedie

On the twentieth anniversary of the observation of the top quark, we trace our understanding of this heaviest of all known particles from the prediction of its existence, through the searches and discovery, to the current knowledge of its…

High Energy Physics - Experiment · Physics 2016-03-17 E. Boos , O. Brandt , D. Denisov , S. Denisov , P. Grannis

Emphasis is given on the observation of a convergence to a critical value of the effective mass of a heavy fermion compound by tuning it through a quantum instability either by applying pressure or magnetic field from an antiferromagnetic…

Strongly Correlated Electrons · Physics 2015-05-18 J. Flouquet , D. Aoki , W. Knafo , G. Knebel , T. D. Matsuda , S. Raymond , C. Proust , C. Paulsen , P. Haen

We follow the example of Cabibbo by revising the Standard Model (SM) to present a universal mass structure for fermions. A universal Higgs coupling for each species of fundamental fermions moves the SM towards a Theory of Matter, albeit…

High Energy Physics - Phenomenology · Physics 2019-04-05 T. Goldman , G. J. Stephenson,

Theoretical predictions for processes involving top quarks, such as top quark-antiquark pair production, depend on fundamental standard model (SM) parameters like the top quark mass or potentially receive contributions from beyond-the-SM…

High Energy Physics - Experiment · Physics 2024-10-15 Sebastian Wuchterl

The unexpected absence of unambiguous signals of New Physics at the TeV scale at the Large Hadron Collider puts today flavour physics at the forefront. In particular rare decays of b-hadrons represent a unique probe to challenge the…

High Energy Physics - Experiment · Physics 2018-06-13 Gaia Lanfranchi

An overview is given of the potential for neutrino physics studies through parasitic use of the intense high energy neutrino beams that would be produced at future many-TeV muon colliders. Neutrino experiments clearly cannot compete with…

High Energy Physics - Experiment · Physics 2011-01-13 B. J. King

With the next start of LHC, a huge production of top quarks is expected. There are several models that predict the existence of heavy colored resonances decaying to top quarks in the TeV energy range. A peak in the differential cross…

High Energy Physics - Phenomenology · Physics 2009-09-02 Paola Ferrario , German Rodrigo

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

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

Machine learning plays a crucial role in enhancing and accelerating the search for new fundamental physics. We review the state of machine learning methods and applications for new physics searches in the context of terrestrial high energy…

High Energy Physics - Phenomenology · Physics 2021-12-08 Georgia Karagiorgi , Gregor Kasieczka , Scott Kravitz , Benjamin Nachman , David Shih

This is a brief review of the collider phenomenology of neutrino physics. Current and future colliders provide an ideal testing ground for (sub)TeV-scale neutrino mass models, as they can directly probe the messenger particles, which could…

High Energy Physics - Phenomenology · Physics 2026-02-09 P. S. Bhupal Dev

If a new massive vector boson with nonzero axial couplings to fermions will be observed at LHC, then an upper limit on the scale of new physics could be derived from unitarity of $\mathcal{S}$-matrix. The new physics will involve either new…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jing Shu

Heavy particles are a window to new physics and new phenomena. Since the late eighties they are treated by means of effective field theories that fully exploit the symmetries and power counting typical of non-relativistic systems. More…

High Energy Physics - Phenomenology · Physics 2014-11-05 Antonio Vairo

The top quark, discovered at the Tevatron in 1995, is a very interesting particle. Precise measurement of the top properties using large data samples will allow stringent tests of the Standard Model and offer a unique window on new physics.…

High Energy Physics - Experiment · Physics 2009-11-10 P. Azzi

I discuss some of the physics of the top quark which will be explored in the near and more-distant future at the Tevatron.

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Willenbrock

Almost 20 years after its discovery, the top quark is still an interesting particle, undergoing precise investigation of its properties. For many years, the Tevatron proton antiproton collider at Fermilab was the only place to study top…

High Energy Physics - Experiment · Physics 2019-08-15 Reinhild Yvonne Peters

This talk summarizes recent progress in top quark physics studies for high energy linear electron-positron colliders as presented at the LCWS2000 Workshop at Fermilab. New results were presented for top pair production at threshold and in…

High Energy Physics - Phenomenology · Physics 2009-11-07 Lynne H. Orr