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Measurements of top quark production at $e^+e^-$ colliders can provide a leap in precision in our knowledge of top quark properties and open a new window on physics beyond the Standard Model. In this contribution the top quark physics…

High Energy Physics - Experiment · Physics 2016-11-15 Aleksander Filip Zarnecki

Recent developments in our understanding of neutrino masses and their implications for physics beyond the standard model are reviewed.

High Energy Physics - Phenomenology · Physics 2007-05-23 R. N. Mohapatra

Past work has proven the possibility of extracting the top-quark mass, one of the fundamental parameters of the Standard Model, from the comparison of theory predictions and experimental measurements of differential cross-sections for…

I give an overview of the effects of neutrino masses in cosmology, focussing on the role they play in the evolution of cosmological perturbations. I discuss how recent observations of the cosmic microwave background anisotropies and the…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-03 Yvonne Y. Y. Wong

Top quark physics continues to be an exciting and fast moving research area. The large statistics provided by the LHC are allowing us to measure processes never observed before and to develop new methods to improve the precision for the…

High Energy Physics - Experiment · Physics 2019-02-01 Mark Owen

The calculation of NLO QCD corrections to the $t\bar{t}\to W^{+}W^{-}b\bar{b}\to e^{+}\nu_e \mu^{-}\bar{\nu}_{\mu}b\bar{b}$ process with complete off-shell effects, is briefly summarized. Besides the total cross section and its scale…

High Energy Physics - Phenomenology · Physics 2011-11-24 Malgorzata Worek

We consider the top-antitop invariant mass distributions for production of unpolarized and polarized top quark pairs at LHC, in the theoretical framework of the MSSM. Assuming a "moderately" light SUSY scenario, we derive the leading…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Beccaria , S. Bentvelsen , M. Cobal , F. M. Renard , C. Verzegnassi

The top-quark mass can be determined with very high precision from a scan of the total $e^+e^-\to b\bar{b}W^+W^-X$ cross section near the top-pair production threshold. We present the full calculation of electroweak and non-resonant…

High Energy Physics - Phenomenology · Physics 2017-11-03 Martin Beneke , Andreas Maier , Thomas Rauh , Pedro Ruiz-Femenía

The top quark mass measurements are based either on a direct kinematic reconstruction of the top quark decay products or on indirect measurements, where an observable sensitive to the top quark mass, such as the production cross section, is…

High Energy Physics - Experiment · Physics 2024-01-11 Mikael Myllymäki

Top pair production is ideally suited to observe post-decay entanglement, thus providing a novel test of quantum mechanics. We provide top polarised decay amplitudes that can be used to compute semi-analytical predictions and, in…

High Energy Physics - Phenomenology · Physics 2024-05-14 J. A. Aguilar-Saavedra

I motivate and discuss some recent work on theories with varying constants, and consider some possible observational consequences and tests. Particular emphasis is given to models which can (almost) exactly mimic the predictions of standard…

Astrophysics · Physics 2017-08-23 C. J. A. P. Martins

Currently the most precise LHC measurements of the top quark mass are determinations of the top quark mass parameter of Monte-Carlo (MC) event generators reaching uncertainties of well below $1$ GeV. However, there is an additional…

High Energy Physics - Phenomenology · Physics 2014-12-12 André H. Hoang

The top quark will be extensively studied at future muon colliders. The threshold cross section can be measured precisely, and the small beam energy spread is especially effective at making the measurement useful. We report on all the…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. S. Berger , B. L. Winer

The theoretical developments in the study of electromagnetic radiation in relativistic heavy-ion collisions are reviewed. The recent progress in the rates for photon and lepton pair production is discussed. Together with the improvements in…

Nuclear Theory · Physics 2015-11-25 Chun Shen

I review the current status of structure formation bounds on neutrino properties such as mass and energy density. I also discuss future cosmological bounds as well as a variety of different scenarios for reconciling cosmology with the…

Cosmology and Nongalactic Astrophysics · Physics 2016-05-13 Steen Hannestad

Highlights of recent theory developments are summarized relevant to precision Standard Model (SM) studies and searches for Beyond-the-SM (BSM) phenomena at present and future high-energy pp and e+ e- colliders, and B-factories, as well as…

High Energy Physics - Phenomenology · Physics 2019-06-24 D. Wackeroth

We review the recent theoretical progress in single-top physics at hadron colliders. Apart from single-top production within the Standard Model we treat certain aspects of single-top production in beyond Standard Model scenarios.

High Energy Physics - Phenomenology · Physics 2022-03-02 Patrick Motylinski

The top quark mass is one of the most intriguing parameters of the standard model (SM). Its value indicates a Yukawa coupling close to unity, and the resulting strong ties to Higgs physics make the top quark mass a crucial ingredient for…

High Energy Physics - Experiment · Physics 2025-04-10 CMS Collaboration

We extract the top-quark mass value in the on-shell renormalization scheme from the comparison of theoretical predictions for $pp \rightarrow t\bar{t} + X$ at next-to-next-to-leading order (NNLO) QCD accuracy with experimental data…

High Energy Physics - Phenomenology · Physics 2024-05-31 M. V. Garzelli , J. Mazzitelli , S. -O. Moch , O. Zenaiev

In this presentation I will primarily focus on top quark physics but I will include a discussion of the W-boson mass and the possibility of discovering a light Higgs boson via associated production at the Tevatron.

High Energy Physics - Phenomenology · Physics 2007-05-23 Stephen Parke