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Future lepton colliders will provide a powerful tool for making precision experiments at energies that will range typically between 500 GeV and 2 TeV. At such high energies, one loop electroweak corrections are bigger than one could naively…

High Energy Physics - Phenomenology · Physics 2016-09-06 Paolo Ciafaloni

Experiments at the future colliders LHC and ILC will, for the first time, explore electroweak reactions at energies in the TeV region, i.e. far beyond the masses of the W and Z bosons. In exclusive processes without the emission of massive…

High Energy Physics - Phenomenology · Physics 2008-05-07 Bernd Jantzen

We discuss the experimental and theoretical uncertainties on precision electroweak observables and their relationship to the indirect constraints on the Higgs-boson mass, $\MH$, in the Standard Model (SM). The critical experimental…

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

For both the FCC-ee and the ILC, to exploit properly the respective precision physics program, the theoretical precision tag on the respective luminosity will need to be improved from the analogs of the $ 0.054 \% (0.061\%)$ results at LEP…

High Energy Physics - Phenomenology · Physics 2023-02-03 B. F. L. Ward , S. Jadach , W. Placzek , M. Skrzypek , S. A. Yost

Precision tests of the Standard Model (SM) require not only accurate experiments, but also precise and reliable theoretical predictions. Triple vector boson production provides a unique opportunity to investigate the quartic gauge couplings…

High Energy Physics - Phenomenology · Physics 2016-11-08 Shen Yong-Bai , Zhang Ren-You , Ma Wen-Gan , Li Xiao-Zhou , Zhang Yu , Guo Lei

Precision experiments, such as those performed at LEP and SLC, offer us an excellent opportunity to constrain extended gauge model parameters. To this end, it is often assumed, that in order to obtain more reliable estimates, one should…

High Energy Physics - Phenomenology · Physics 2011-09-13 M. Czakon , J. Gluza , F. Jegerlehner , M. Zralek

This paper is an updated version of the lectures given at the XXIX International Meeting on Fundamental Physics in Sitges, Barcelona (February 2000). The measurements perforned at LEP and SLC have substantially improved the precision of the…

High Energy Physics - Experiment · Physics 2007-05-23 F. Teubert

I give a basic introduction to precision electroweak analysis, beginning with calculation at tree-level which most simply illustrates the procedure. I then work out the formalism for one-loop corrections to the vector boson self energies…

High Energy Physics - Phenomenology · Physics 2007-05-23 James D. Wells

To match the precision of present and future measurements of W-boson production at hadron colliders electroweak radiative corrections must be included in the theory predictions. In this paper we consider their effect on the transverse…

High Energy Physics - Phenomenology · Physics 2008-11-26 Johann H. Kuhn , A. Kulesza , S. Pozzorini , M. Schulze

Future high-energy $e^+e^-$ colliders will provide some of the most precise tests of the Standard Model. Statistical uncertainties on electroweak precision observables and triple gauge couplings are expected to improve by orders of…

High Energy Physics - Experiment · Physics 2021-11-15 Jakob Beyer , Jenny List

We consider W-boson scattering at high-energy e+ e- colliders and study one-loop logarithmic electroweak corrections within the Standard Model assuming a light Higgs boson. We present explicit analytical results for W+ W- -> W+ W-. Using…

High Energy Physics - Phenomenology · Physics 2010-10-27 E. Accomando , A. Denner , S. Pozzorini

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…

I find the three-loop corrections at leading order in QCD to the physical masses of the Higgs, W, and Z bosons in the Standard Model. The results are obtained as functions of the $\overline{\rm{MS}}$ Lagrangian parameters only, using the…

High Energy Physics - Phenomenology · Physics 2022-08-17 Stephen P. Martin

Recent results for higher-order corrections to the relation between the vector-boson masses in the Standard Model and Supersymmetry are summarized. In the Standard Model, the Higgs-mass dependence of the two-loop contributions to Delta r is…

High Energy Physics - Phenomenology · Physics 2011-03-17 G. Weiglein

The dominant electroweak corrections to the production cross sections and partial decay widths of a light Standard-Model Higgs boson, with mass M_H << 2m_t, are due to top-quark loops. By means of a low-energy theorem, we study at the…

High Energy Physics - Phenomenology · Physics 2009-10-30 A. Djouadi , P. Gambino , B. A. Kniehl

Various types of electroweak-interacting particles, which have non-trivial charges under the $\mathrm{SU}(2)_L \times \mathrm{U}(1)_Y$ gauge symmetry, appear in various extensions of the Standard Model. These particles are good targets of…

High Energy Physics - Phenomenology · Physics 2015-09-24 Keisuke Harigaya , Koji Ichikawa , Anirban Kundu , Shigeki Matsumoto , Satoshi Shirai

The complete fermionic two-loop contributions to the prediction for the W-boson mass from muon decay in the electroweak Standard Model are evaluated exactly, i.e. no expansion in the top-quark and the Higgs-boson mass is made. The result…

High Energy Physics - Phenomenology · Physics 2011-07-19 A. Freitas , W. Hollik , W. Walter , G. Weiglein

Electroweak Precision Measurements are stringent tests of the Standard Model and sensitive probes to New Physics. Accurate studies of the $Z$-boson couplings to the first-generation quarks, which are currently constrained from LEP data to a…

High Energy Physics - Phenomenology · Physics 2025-11-13 Krzysztof Mękała , Daniel Jeans , Jürgen Reuter , Junping Tian , Aleksander Filip Żarnecki

This proceeding summarizes recent measurements of electroweak boson and diboson production. The results, based on data from LHC Run 2 at $\sqrt{s}=13\,\mathrm{TeV}$ and Run 3 at $\sqrt{s}=13.6\,\mathrm{TeV}$, probe the Standard Model with…

High Energy Physics - Experiment · Physics 2025-07-16 Francesco Giuli