English
Related papers

Related papers: Global analysis of electroweak data in the Standar…

200 papers

Recent measurements at the Large Hadron Collider allow for a robust and precise characterisation of the electro-weak interactions of the top quark. We present the results of a global analysis at next-to-leading order precision including…

High Energy Physics - Phenomenology · Physics 2022-02-14 Víctor Miralles , Marcos Miralles López , María Moreno Llácer , Ana Peñuelas , Martín Perelló , Marcel Vos

A precise determination of the W boson mass is an essential test for the Standard Model of particle physics: the comparison of experimental value and theoretical prediction allows to probe the internal consistency of the electroweak sector…

High Energy Physics - Phenomenology · Physics 2025-06-03 Giuseppe Bozzi , Matthias Schott

The purpose of this paper is threefold: a) Check if the rather poor Standard Model (SM) fit to all electroweak data can be improved in its minimal supersymmetric extension (MSSM); b) Check what constraints present electroweak data has on…

High Energy Physics - Phenomenology · Physics 2009-11-10 Wim de Boer , Christian Sander

The Lee-Wick Standard Model at temperatures near electroweak scale is considered, with the aim of studying the electroweak phase transition. While Lee-Wick theories possess states of negative norm, they are not pathological but instead are…

High Energy Physics - Phenomenology · Physics 2013-10-30 Richard F. Lebed , Andrew J. Long , Russell H. TerBeek

We investigate the electroweak phase transition in the real-singlet extension of the Standard Model at two-loop level, building upon existing one-loop studies. We calculate the effective potential in the high-temperature approximation and…

High Energy Physics - Phenomenology · Physics 2024-03-05 Lauri Niemi , Philipp Schicho , Tuomas V. I. Tenkanen

The electroweak phase transition broke the electroweak symmetry. Perturbative methods used to calculate observables related to this phase transition suffer from severe problems such as gauge dependence, infrared divergences, and a breakdown…

High Energy Physics - Phenomenology · Physics 2021-02-03 Andreas Ekstedt , Johan Löfgren

These notes contain some of the material I presented at TASI 96 on the comparison of the standard model with precision electroweak data. After a physical accounting of the dominant electroweak radiative corrections, including the effects of…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. D. Peccei

The NuTeV collaboration has extracted the electroweak parameter, $\stw$, from the measurement of the ratios of neutral current to charged current neutrino and antineutrino deep inelastic scattering interactions. We find that our…

High Energy Physics - Experiment · Physics 2007-05-23 G. P. Zeller

An electroweak model is formulated in a finite, four-dimensional quantum field theory without a Higgs particle. The W and Z masses are induced from the electroweak symmetry breaking of one-loop vacuum polarization graphs. The theory…

High Energy Physics - Phenomenology · Physics 2008-06-11 J. W. Moffat

A program including all radiative corrections to the MSSM at the same level as the radiative corrections to the SM has been developed and used to perform global fits to all electroweak data from LEP, SLC and the Tevatron and the radiative…

High Energy Physics - Phenomenology · Physics 2016-09-06 W. de Boer

The Standard Model does not provide a very good fit to the most recent precision electroweak data from LEP, due primarily to the observed branching ratios for $Z$ decay to $b\bar b$ and $c\bar c$. The possibility that an extension of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Howard E. Haber

Recent electroweak precision measurements from e+e- and pbarp colliders are presented. Some emphasis is placed on the recent developments in the heavy flavor sector. The measurements are compared to predictions from the Standard Model of…

High Energy Physics - Experiment · Physics 2007-05-23 Marcel Demarteau

I review the results of a recent global fit to electroweak precision data. Particular attention is devoted to the landscape of determinations of the weak mixing angle, recent results on basic properties of the electroweak gauge bosons, and…

High Energy Physics - Phenomenology · Physics 2025-05-07 Jens Erler

Over the last decade, precise LEP and SLC measurements of electroweak coupling parameters at the Z0 pole have lead to tests of the Standard Model to unprecedented precision. This report presents a comprehensive review of these studies,…

High Energy Physics - Experiment · Physics 2016-11-23 B. A. Schumm

A global survey of weak mixing angle measurements at low and high energies is presented. Then I will discuss theoretical uncertainties in precision observables with special emphasis on their correlations. The important role of vacuum…

High Energy Physics - Phenomenology · Physics 2019-08-21 Jens Erler

This note presents a combination of published and preliminary electroweak results from the four LEP collaborations and the SLD collaboration which were prepared for the 2001 summer conferences. Averages from Z resonance results are derived…

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

Recent tests of the electroweak Standard Model are reviewed, covering the precise measurements of Z decays at LEP I and SLC and measurements of fermion pair production at higher energies at LEP II. Special emphasis is given to new results…

High Energy Physics - Phenomenology · Physics 2007-05-23 David Ward

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 note presents a combination of published and preliminary electroweak results from the four LEP collaborations ALEPH, DELPHI, L3 and OPAL based on electron-positron collision data taken at centre-of-mass energies above the Z-pole, $130…