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Related papers: Precision Electroweak Measurements

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The impact of atomic parity violation experiments on determination of the weak mixing parameter $\sin^2 \theta$ and the Peskin-Takeuchi parameters $S$ and $T$ is reassessed in the light of recent electroweak measurements at LEP, SLAC, and…

High Energy Physics - Phenomenology · Physics 2016-08-24 Jonathan L. Rosner

The present status of precision electroweak data is reviewed. These data include measurements of e+e- -> f+fbar, taken at the Z resonance at LEP, which are used to determine the mass and width of the Z boson. In addition, measurements have…

High Energy Physics - Phenomenology · Physics 2009-11-07 P. B. Renton

The status of published and preliminary precision electroweak measurements as of winter 2002/03 is presented. The new results on the mass of the W boson as measured at LEP-2 and on atomic parity violation in Caesium are included. The…

High Energy Physics - Experiment · Physics 2007-05-23 Martin W. Grunewald

Present global fits to electroweak data are characterized by two results that differ from Standard Model expectations by about 3 sigma, the NuTeV measurement of sin^2theta_W and the FB b quark asymmetries measured at LEP. I review possible…

High Energy Physics - Phenomenology · Physics 2007-05-23 Paolo Gambino

Overall, the Standard Model describes electroweak precision data rather well. There are however a few areas of tension (charged current universality, NuTeV, (g-2)_\mu, b quark asymmetries), which I review emphasizing recent theoretical and…

High Energy Physics - Phenomenology · Physics 2009-11-10 Paolo Gambino

The status of the electroweak precision measurements as of winter 2004 and the global test of the Standard Model are discussed. Important input data are the precision variables measured on the Z resonance at LEP and SLC and the measurements…

High Energy Physics - Experiment · Physics 2007-05-23 Stefan Roth

Our picture of the electroweak interactions continues to improve, with ever more precise constraints on the masses of the Higgs boson(s) and on non-standard physics. Some recent developments include: (a) a calculation of higher-order…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jonathan L. Rosner

We report on the final electroweak measurements performed with data taken at the Z resonance by the experiments operating at the electron-positron colliders SLC and LEP. The data consist of 17 million Z decays accumulated by the ALEPH,…

Recent reanalyses of the atomic physics effects on the weak charge in cesium have led to a value in much closer agreement with predictions of the Standard Model. We review precision electroweak tests, their implications for upper bounds on…

High Energy Physics - Phenomenology · Physics 2009-11-07 Jonathan L. Rosner

Internal consistency of the most sensitive electroweak measurements within the standard model framework is examined. Confirming an earlier observation on the separation of Z-pole asymmetry measurements into {\em hadronisation- free}and {\em…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Aziz , A. Gurtu

This note presents constraints on Standard Model parameters using published and preliminary precision electroweak results measured at the electron-positron colliders LEP and SLC. The results are compared with precise electroweak…

Recent developments in the measurement of precision electroweak measurements are summarised, notably new results on the mass of the top quark and mass and width of the W boson. Predictions of the Standard Model are compared to the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Martin W. Grunewald

This note presents constraints on Standard Model parameters using published and preliminary precision electroweak results measured at the electron-positron colliders LEP and SLC. The results are compared with precise electroweak…

Recent published and preliminary precision electroweak measurements are reviewed, including new results on the mass of the top quark and mass and width of the W boson. The experimental results are compared with the predictions of the…

High Energy Physics - Experiment · Physics 2007-05-23 Martin W. Grunewald

We carry out high-precision calculation of parity violation in cesium atom, reducing theoretical uncertainty by a factor of two compared to previous evaluations. We combine previous measurements with our calculations and extract the weak…

High Energy Physics - Phenomenology · Physics 2010-04-21 S. G. Porsev , K. Beloy , A. Derevianko

The $W$ boson mass is one of the most important electroweak precision observables for testing the Standard Model or its extensions. The very recent measured $W$ boson mass at CDF shows about $7\sigma$ deviations from the SM prediction,…

High Energy Physics - Phenomenology · Physics 2022-09-14 Chih-Ting Lu , Lei Wu , Yongcheng Wu , Bin Zhu

We present an overview of the present status and prospects for progress in electroweak measurements at future collider experiments leading to precision tests of the Standard Model of Electroweak Interactions. Special attention is paid to…

High Energy Physics - Phenomenology · Physics 2016-09-06 U. Baur , M. Demarteau

This note presents constraints on Standard Model parameters using published and preliminary precision electroweak results obtained at the electron-positron colliders LEP and SLC. The results are compared with precise electroweak…

We review the progress made in the determination of the weak charge, Q\_w, of the cesium nucleus which raises the status of Atomic Parity Violation measurements to that of a precision electroweak test. Not only is it necessary to have a…

Atomic Physics · Physics 2016-08-16 Jocelyne Guéna , Michel Lintz , Marie-Anne Bouchiat

A new precision measurement of the parity violating analyzing power in longitudinally polarized electron scattering from the proton at very low Q^2 at an incident energy of 1.16 GeV is in the final stages of preparation for execution at…

Nuclear Experiment · Physics 2008-11-26 Qweak Collaboration , Willem T. H. van Oers
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