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Related papers: Precision on the top mass

200 papers

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

A new method to measure the mass of the top quark at the LHC is presented. This method uses lepton energy distribution and ideally does not depend on the velocity distribution of the top quark. We perform a simulation analysis of the top…

High Energy Physics - Phenomenology · Physics 2014-10-27 Sayaka Kawabata

If supersymmetric particles are produced at the Large Hadron Collider it becomes very important not only to identify them, but also to determine their masses with the highest possible precision, since this may lead to an understanding of…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. K. Gjelsten , D. J. Miller , P. Osland

Precision measurements together with exact theoretical calculations have led to steady progress in fundamental physics. A brief survey is given on recent developments and current achievements in the field of perturbative precision…

High Energy Physics - Phenomenology · Physics 2012-06-08 Johannes Blümlein

The aim of this paper is to organize some known mass formulas arising from a definite central division algebra over a global field and to deduce some more new ones.

Number Theory · Mathematics 2014-08-26 Chia-Fu Yu

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 current status of determinations of the b-quark mass, m_b. We describe the theoretical tools required for determining m_b, with particular emphasis on effective field theories both in the continuum and on the lattice. We…

High Energy Physics - Phenomenology · Physics 2008-11-26 Aida X. El-Khadra , Michael Luke

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 accuracy of description of measured nuclear masses by presently used nuclear-mass models is studied. Twelve models of various kinds are considered, eleven of the global character and one local model specially adapted to description of…

Nuclear Theory · Physics 2019-03-05 Adam Sobiczewski , Yuri A. Litvinov , Michal Palczewski

In this short note we explain how one can use established results to prove various versions of the positive mass theorem for initial data sets with boundary, in dimensions less than 8.

General Relativity and Quantum Cosmology · Physics 2022-01-11 Gregory J. Galloway , Dan A. Lee

Current measurements of the top quark mass which have achieved a precision of less than 1 GeV involve a theoretical problem that the definition of the measured mass is ambiguous in perturbation theory. As a possible solution to the problem,…

High Energy Physics - Phenomenology · Physics 2015-05-27 Sayaka Kawabata

We explore a possibility of optimization of the method of determination of the top quark mass from $M_{b\ell}$ distribution in semi-leptonic decays $t \to b \ell\nu$ at LHC and a future linear collider (LC). We discover that the systematic…

High Energy Physics - Phenomenology · Physics 2009-01-07 M. L. Nekrasov

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

The underlying structure of matter can be deeply probed via precision measurements of the mass of the \emph{top quark}, the most massive observed fundamental particle. Top quarks can be produced and studied only in collisions at high energy…

High Energy Physics - Experiment · Physics 2007-05-23 S. Whiteson , D. Whiteson

(Report of the Top Physics working group at the 1996 DPF/DPB Snowmass workshop, to appear in the proceedings). We discuss the study of the top quark at future experiments and machines. Top's large mass makes it a unique probe of physics at…

High Energy Physics - Phenomenology · Physics 2009-02-20 Raymond Frey , David Gerdes , John Jaros , Steve Vejcik

The general properties needed in targets (sources) for high precision, high accuracy measurements are reviewed. The application of these principles to the problem of developing targets for the Fission TPC is described. Longer term issues,…

The top-quark mass measurements carried out by the LHC experiments, ATLAS and CMS, are summarized. Results of different approaches to the top-quark mass reconstruction are presented. Masses from different measurements are in good agreement…

High Energy Physics - Experiment · Physics 2019-01-16 Stanislav Tokar

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

Studies of top quark properties using data collected by the CMS experiment are presented, including direct measurements of properties or extractions using differential cross section measurements. The latest results on top quark mass…

High Energy Physics - Experiment · Physics 2022-11-10 Dennis Schwarz

The top quark is the heaviest elementary particle known and its mass ($m_{\rm top}$) is a fundamental parameter of the Standard Model (SM). The $m_{\rm top}$ value affects theory predictions of particle production cross-sections required…

High Energy Physics - Experiment · Physics 2015-10-16 Giorgio Cortiana