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Polarization observables in top quark decays are sensitive probes of possible new physics contributions to the interactions of the heavy third generation quarks. Within an effective theory approach such new physics contributions can be…

High Energy Physics - Phenomenology · Physics 2011-05-20 Jernej F. Kamenik

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

The current status of the comparisons between some experimental results and theoretical predictions for heavy quark production is reviewed. It is shown that the combination of new theoretical tools and better experimental input allows for a…

High Energy Physics - Phenomenology · Physics 2007-05-23 Matteo Cacciari

We review some of the recent progress in our knowledge about high-energy cosmic rays, with an emphasis on the interpretation of the different observational results. We discuss the effects that are relevant to shape the cosmic ray spectrum…

High Energy Astrophysical Phenomena · Physics 2017-12-05 Silvia Mollerach , Esteban Roulet

I review recent theoretical work on top-quark physics within the standard model, beyond the standard model, and at the Planck scale.

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

We calculate the O(alpha alpha_s) corrections to the relationships between the MS-bar Yukawa couplings and the pole masses of the first five quark flavours in the standard model. We also present the corresponding relationships between the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Bernd A. Kniehl , Jan H. Piclum , Matthias Steinhauser

The simple realistic model of the tippe top is considered. An averaged system of equations of motion is obtained in special evolutionary variables. Through the qualitative analysis of this system the general features of the motion of the…

General Physics · Physics 2016-04-11 Vladislav Sidorenko

In this talk I will present recent preliminary results from the D0 experiment from Tevatron Run II ($p\bar p$ collisions at $\sqrt{s} = 1.96$ TeV). The results presented in this talk include top quark pair production cross section, top…

High Energy Physics - Experiment · Physics 2019-08-14 H. B. Greenlee

The test of the Standard Model and search for New Physics signal are main aim of LHC experiment. With the increasing of the measurement accuracy at the LHC, it is a major task in future to exceed the current accuracy of the theoretical…

High Energy Physics - Phenomenology · Physics 2014-08-05 Chong Sheng Li , Hai Tao Li , Ding Yu Shao

We present a joint extraction of the strong coupling $\alpha_s$ and the top-quark pole mass $m_t$ from measurements of top-quark pair production performed by the ATLAS and CMS experiments at the 8 TeV LHC. For the first time, differential…

High Energy Physics - Phenomenology · Physics 2020-10-12 Amanda M. Cooper-Sarkar , Michal Czakon , Matthew A. Lim , Alexander Mitov , Andrew S. Papanastasiou

The status of top quark searches will be briefly reviewed. Theoretical predictions for the top quark decay rate are presented including QCD and electroweak radiative corrections. The possibilities for quarkonium searches at an hadron…

High Energy Physics - Phenomenology · Physics 2007-05-23 J. H. Kühn

Theoretical and experimental situation in physics of heavy neutrinos $(M_N>M_Z)$ is briefly presented. Various experimental bounds on heavy neutrino masses and mixings are shortly reviewed. Special attention is paid to possibility of…

High Energy Physics - Phenomenology · Physics 2011-04-15 J. Gluza , M. Zralek

We discuss the most recent calculations of the top quark total cross section and transverse momentum distributions at the Tevatron and the LHC. These calculations include the soft-gluon corrections at next-to-next-to-leading order (NNLO).…

High Energy Physics - Phenomenology · Physics 2009-11-10 Nikolaos Kidonakis , Ramona Vogt

We review some recent developments in top quark production and decay at current and future colliders.

We give an overview of the status of theoretical predictions for single-top production in the Standard Model. We focus in particular on recent developments, including calculations of off-shell effects at next-to-leading order beyond the…

High Energy Physics - Phenomenology · Physics 2015-06-15 Pietro Falgari

I discuss recent advances being made in the physics and astrophysics of cosmic rays and cosmic gamma-rays at the highest observed energies as well as the related physics and astrophysics of very high energy cosmic neutrinos. I also discuss…

Astrophysics · Physics 2007-05-23 F. W. Stecker

We study the impact of the top quark mass renormalized in the $\overline{\text{MS}}$ scheme on the $\text{t}\bar{\text{t}}\text{H}$ production cross-sections as an alternative to theory predictions with the conventionally used pole mass…

High Energy Physics - Phenomenology · Physics 2022-06-01 Maria Aldaya Martin , Sven-Olaf Moch , Andrej Saibel

With a high instantaneous luminosity and the large top quark pair production cross section, the Large Hadron Collider (LHC) will be a "top factory" allowing the analysis of millions of top events. After a short description of the top quark…

High Energy Physics - Experiment · Physics 2007-05-23 Florian Beaudette

I discuss the feasibility of measuring the top quark mass by the using of final states with leptons and J/\psi at hadron colliders. I also investigate the impact of matrix-element corrections to the HERWIG simulation of top decays.

High Energy Physics - Phenomenology · Physics 2008-11-26 Gennaro Corcella

We present a procedure for the determination of the mass of the top quark at the LHC based on leptonic observables in dilepton $t\bar{t}$ events. Our approach utilises the shapes of kinematic distributions through their few lowest Mellin…

High Energy Physics - Phenomenology · Physics 2015-06-22 Stefano Frixione , Alexander Mitov