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Related papers: R Measurements at High Q^2

200 papers

With the full Tevatron Run II and early LHC data samples, the opportunity for furthering our understanding of the properties of the top quark has never been more promising. Although the current knowledge of the top quark comes largely from…

High Energy Physics - Experiment · Physics 2015-06-03 Kevin Lannon , Fabrizio Margaroli , Chris Neu

I will review new measurements of the b quark mass, presented at this conference by ALEPH and DELPHI. A large set of observables has been used and detailed studies on jet algorithms have been performed. These measurements at the Z peak are…

High Energy Physics - Experiment · Physics 2007-05-23 G. Dissertori

We present a summary of top quark physics results from Run 1 at CDF using the Run 1 data sample of 106 pb$^{-1}$. In addition to the precursory measurements of the top quark mass and $\ttbar$ cross section, we have performed a number of…

High Energy Physics - Experiment · Physics 2019-08-14 Steven R. Blusk

This article summarizes the latest results on the proton-to-electron mass ratio $\mu$ derived from H$_2$ observations at high redshift in the light of possible variations of fundamental physical constants. The focus lies on UVES…

Cosmology and Nongalactic Astrophysics · Physics 2013-11-27 Martin Wendt , Paolo Molaro

Recent results from the HERA ep collider are reviewed in these proceedings. The results are from measurements that probe QCD at high-energy scales, as defined by $Q^2$, the four-momentum-transfer squared of the collisions. These…

High Energy Physics - Experiment · Physics 2009-11-05 J. Ferrando

Over the past few months, the theory of QCD at high density has been advanced considerably. It provides new perspectives on, and controlled realizations of, confinement and chiral symmetry breaking. Here I survey the recent developments,…

High Energy Physics - Phenomenology · Physics 2009-10-31 Frank Wilczek

A review of the present status of the spectroscopy of heavy quarkonia (b-bbar, c-cbar) is presented.

High Energy Physics - Experiment · Physics 2015-06-25 Kamal K. Seth

We study how well we can retrodict results of measurements made on a quantum system if we can make measurements on its final state. We know what measurements were made, but not their results. An initial examination shows that we can gain…

Quantum Physics · Physics 2016-10-12 Mark Hillery , Daniel Koch

Measurements involving top quarks provide important tests of QCD. A selected set of top quark measurements in CMS including the strong coupling constant, top quark pole mass, constraints on parton distribution functions, top quark pair…

High Energy Physics - Experiment · Physics 2019-08-13 Efe Yazgan

The current status of spin physics experiments, based on talks presented at the Third Circum-Pan-Pacific Symposium on High Energy Spin Physics held in Beijing, 2001, is summarized in this article. Highlights of recent experimental results…

High Energy Physics - Phenomenology · Physics 2009-11-07 Jen-Chieh Peng

The results and the present limits of the observations of high-z ellipticals are discussed in the framework of VLT imminent and future instruments.

Astrophysics · Physics 2009-11-07 A. Cimatti

It is shown that a significant measurement of the longitudinal structure function $F_L(x,Q^2)$ can be performed at HERA, for $Q^2 = 2 GeV^2$ and $Q^2 = 5 GeV^2$ and for x around $10^{-4}$, using radiative events with hard photon emission…

High Energy Physics - Phenomenology · Physics 2009-10-28 L. Favart , M. Gruwé , P. Marage , Z. Zhang

In this contribution we assess the current experimental status of Special and General Relativity. Particular emphasis is put on putative extensions of these theories and on how these could be detected experimentally.

General Relativity and Quantum Cosmology · Physics 2012-12-11 Orfeu Bertolami , Jorge Páramos

The measurements at RHIC have revealed a new state of matter, which needs to be further characterized in order to better understand its implications for the early evolution of the universe and QCD. I will show that, in the near future,…

Nuclear Experiment · Physics 2008-11-26 Rene Bellwied

A summary of QCD results obtained at e+e- experiments in recent years is given. Emphasis is put on basic QCD tests and \alpha_s measurements with event shapes.

High Energy Physics - Experiment · Physics 2011-01-27 Klaus Hamacher

Recent developments in calculations of the light hadron spectrum are reviewed. Particular emphasis is placed on discussion of to what extent the quenched spectrum agrees with experiment. Recent progress, both for quenched and full QCD, in…

High Energy Physics - Lattice · Physics 2009-10-30 T. Yoshié

I review the recent theoretical progress towards the computation of jet observables at two loops in QCD.

High Energy Physics - Phenomenology · Physics 2015-06-25 T. Gehrmann

The most recent measurements of the top quark mass at the D0 experiment are summarized. Different techniques and final states are used and the top quark mass is determined to be mtop=172.8+-1.6(stat+syst)GeV/c^2. In addition, a new,…

High Energy Physics - Experiment · Physics 2009-06-02 Alexander Grohsjean

A study is presented of a possible future measurement of the longitudinal structure function $F_{L}(x,Q^{2})$ with different proton beam energies at HERA.

High Energy Physics - Experiment · Physics 2007-05-23 L. A. T. Bauerdick , A. Glazov , M. Klein

The limits of frequency resolution in nano-NMR experiments have been discussed extensively in recent years. It is believed that there is a crucial difference between the ability to resolve a few frequencies and the precision of estimating a…