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I first comment on some recent advances in computing equipment for CPU-intensive numerical simulations, and on possible developments in the near future. I then discuss some particularly important and yet unsolved problems in dynamics and…

Astrophysics · Physics 2007-05-23 E. Athanassoula

A review on current theories and observations of high-mass star formation is given. Particularly the influence of magnetic fields and feedback mechanisms, and of varying initial conditions on theories are discussed. The, in my biased view,…

Astrophysics of Galaxies · Physics 2017-12-14 Peter Schilke

An overview of recent results on top quark properties and interactions is given, obtained using data collected with the CMS and ATLAS experiments during the years 2011 and 2012 at 7 TeV and 8 TeV centre-of-mass energies. Measurements of top…

High Energy Physics - Experiment · Physics 2019-08-13 Carlo Battilana

The analytic relation between the \bar {MS} and the pole quark masses is computed to O(\alpha_s^3) in QCD. Using this exact result, the accuracy of the large \beta_0 approximation is critically examined and the implications of the obtained…

High Energy Physics - Phenomenology · Physics 2009-10-31 Kirill Melnikov , Timo van Ritbergen

We describe various studies relevant for top physics at future circular collider projects currently under discussion. We show how highly-massive top-antitop systems produced in proton-proton collisions at a center-of-mass energy of 100 TeV…

High Energy Physics - Phenomenology · Physics 2014-12-05 Benjamin Fuks

In this paper we study new-physics contributions to the top-quark decay $t \to b \bar b c$. We search for ways of detecting such new physics via measurements at the LHC. As top quarks are mainly produced at the LHC in $t \bar t$ production…

High Energy Physics - Phenomenology · Physics 2015-10-02 Ken Kiers , Pratishruti Saha , Alejandro Szynkman , David London , Samuel Judge , Jordan Melendez

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 show some recent HERWIG results related to the top quark mass measurement at the LHC and discuss possible improvements for studies of the bottom quark fragmentation function in the top decay.

High Energy Physics - Phenomenology · Physics 2009-10-31 Gennaro Corcella

In this review I give an overview on the conceptual issues involved in the question how to interpret so-called `direct top quark mass measurements', which are based on the kinematic reconstruction of top quark decay products at the Large…

High Energy Physics - Phenomenology · Physics 2020-04-28 André H. Hoang

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

In this talk we discuss the process e^+e^-\to t\bar t near threshold, calculated with NNLO accuracy as well as top quark mass definitions adequate for the threshold. As new definition we suggest the PS-bar mass which allows to calculate…

High Energy Physics - Phenomenology · Physics 2009-10-31 Oleg Yakovlev , Stefan Groote

This talk is an overview of prospects for measuring the top mass $m_t$ at present and future colliders. Methods for extracting $m_t$ appropriate to experiments at the Tevatron, Large Hadron Collider, and Next Linear Collider are discussed,…

High Energy Physics - Phenomenology · Physics 2009-09-25 Lynne H. Orr

We investigate the effects of top quark compositeness on various physical parameters, and obtain lower limits on the compositeness scale from electroweak precision data. We consider corrections to top quark decay rates and other physical…

High Energy Physics - Phenomenology · Physics 2009-09-11 Howard Georgi , Lev Kaplan , David Morin , Andreas Schenk

The role of the top quark in completing the Standard Model quark sector is reviewed, along with a discussion of production, decay, and theoretical restrictions on the top quark properties. Particular attention is paid to the top quark as a…

High Energy Physics - Phenomenology · Physics 2009-09-29 S. Dawson

We review several aspects of the recent theoretical progress in K and B decays including the impact of the top quark discovery on rare and CP violating decays. In particular we summarize the present status of next-to-leading QCD…

High Energy Physics - Phenomenology · Physics 2009-09-25 Andrzej J. Buras

We compare double-differential normalized production cross sections for top-antitop $+ X$ hadroproduction at NNLO QCD accuracy, as obtained through a customized version of the MATRIX framework interfaced to PineAPPL, with recent data by the…

High Energy Physics - Phenomenology · Physics 2023-12-07 Maria Vittoria Garzelli , Javier Mazzitelli , Sven-Olaf Moch , Oleksandr Zenaiev

I present theoretical results through three loops and N$^3$LO for soft-gluon corrections in a variety of processes involving top-quark production. In particular, I present results for total cross sections and differential distributions in…

High Energy Physics - Phenomenology · Physics 2019-09-12 Nikolaos Kidonakis

Recent results on top quark physics with the D0 experiment in pbar-p collisions at sqrt(s) = 1.8 TeV for an integrated luminosity of 125 pb**-1 are reported. The direct measurement of the top quark mass uses single lepton and dilepton…

High Energy Physics - Experiment · Physics 2007-05-23 Boaz Klima

Overview on top couplings measurements is presented, and the prospects of future measurements are discussed. The coupling of top to the W boson can be examined either by looking at the decay of the top quark or from single top quark…

High Energy Physics - Experiment · Physics 2013-09-17 Jahred Adelman , Barbara Alvarez Gonzalez , Yang Bai , Matthew Baumgart , Richard Keith Ellis , Sasha Khanov , Andrey Loginov , Marcel Vos

We describe our recent NNLO QCD extraction of the top-quark pole mass from fits to experimental data on total inclusive and normalized (multi)-differential cross sections for $t\bar{t} + X$ hadroproduction, using as input various modern PDF…

High Energy Physics - Phenomenology · Physics 2025-01-14 S. Alekhin , M. V. Garzelli , J. Mazzitelli , S. -O. Moch , O. Zenaiev
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