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Related papers: Precision Electroweak Physics at the Z

200 papers

In view of the recent and future electroweak precision data accumulated at LEP and SLC, we systematically analyze possible new physics effects that may occur in the leptonic sector within the context of $SU(2)_R \times SU(2)_L \times…

High Energy Physics - Phenomenology · Physics 2016-09-01 Apostolos Pilaftsis

A promising avenue to perform precision tests of the SM at the LHC is to measure differential cross-sections at high invariant mass, exploiting in this way the growth with the energy of the corrections induced by heavy new physics. We…

High Energy Physics - Phenomenology · Physics 2018-06-11 Roberto Franceschini , Giuliano Panico , Alex Pomarol , Francesco Riva , Andrea Wulzer

The interpretation of electroweak precision data in the Standard Model Effective Field Theory is discussed. One loop corrections $\propto y_t^2, \lambda$ to the partial $Z$ decay widths and ratios of partial widths in this theory are…

High Energy Physics - Phenomenology · Physics 2017-05-17 Michael Trott

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

General formulas as well as leading asymptotics for corrections to Z- and W-boson parameters are derived. Experimental data fits in Standard Model and its extensions are discussed and results are presented.

High Energy Physics - Phenomenology · Physics 2008-12-16 M. I. Vysotsky

We discuss the ultimate precision for ALR, and therefore for the weak mixing angle, at a high-luminosity Linear Collider. Drawing on our experience at the SLC, and considering various machine parameter sets for the NLC and for TESLA, it…

High Energy Physics - Experiment · Physics 2009-10-31 P. C. Rowson , M. Woods

After discussing alternative scenarios for the origins of the electroweak symmetry breaking, I briefly review the experimental status of the Standard Model. I explore further both the hints for, and constraints on, supposing that that a…

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

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

Higher-order results for electroweak precision observables in the Standard Model are analyzed in view of the experimental accuracies achievable at the present and the next generation of colliders, and the indirect prediction of the…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Heinemeyer , G. Weiglein

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

The cross-section for ZZ->ZZ with arbitrarily polarized Z bosons is calculated within the electroweak Standard Model including the complete O(alpha) corrections. We show the numerical importance of the radiative corrections and elaborate…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Denner , S. Dittmaier , T. Hahn

I review recent progress on the electroweak phase transition and baryogenesis, focusing on the minimal supersymmetric standard model as the source of new physics.

High Energy Physics - Phenomenology · Physics 2009-10-31 J. M. Cline

The Born approximation, based on $\bar\alpha \equiv\alpha (m_Z)$ instead of $\alpha$, reproduces all electroweak precision measurements within their $(1\sigma)$ accuracy. The low upper limits for the genuinely electroweak corrections…

High Energy Physics - Phenomenology · Physics 2015-06-25 V. A. Novikov , L. B. Okun , M. I. Vysotsky

The phenomenological evidence for electroweak corrections in the Standard Model, both at very low energies and the $Z^0$ scale, is discussed. In particular, we review a simple but sharp argument for the presence of Electroweak Bosonic…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alberto Sirlin

Recent higher-order results for the prediction of the W-boson mass, M_W, within the Standard Model are reviewed and an estimate of the remaining theoretical uncertainties of the electroweak precision observables is given. An updated version…

High Energy Physics - Phenomenology · Physics 2009-11-07 Ayres Freitas , Sven Heinemeyer , Georg Weiglein

Section 10 of the 2004 edition of the Review of Particle Physics.

High Energy Physics - Phenomenology · Physics 2007-05-23 Jens Erler , Paul Langacker

I shortly review time period of twelve years, 1989-2000, which was devoted to a theoretical support of experiments at LEP and SLC at Z resonance and discuss several directions of possible future work in the field of precision theoretical…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. Bardin

We summarize the recent results on electroweak physics and physics beyond the Standard Model that have been presented at the XIV International Workshop on Deep Inelastic Scattering 2006.

High Energy Physics - Phenomenology · Physics 2017-08-23 L. Bellagamba , E. Sauvan , H. Spiesberger

The proposed electron-proton collider experiments LHeC and FCC-eh at CERN are the highest resolution microscopes that can be realised in the present century and they would represent a really unique research facility. We exploit simulated…

High Energy Physics - Phenomenology · Physics 2022-03-15 Daniel Britzger , Max Klein , Hubert Spiesberger

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