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The precision data on Z boson decays from LEP-I and SLC colliders are compared with the predictions based on the Minimal Standard Theory. The Born approximation of the theory is based on three most accurately known observables: G_mu -- the…

High Energy Physics - Phenomenology · Physics 2010-12-02 V. A. Novikov , L. B. Okun , A. N. Rozanov , M. I. Vysotsky

We have studied the effects of the complete logarithmic electroweak O(alpha) corrections on the production of vector-boson pairs WZ, ZZ, and WW at the LHC. These corrections are implemented into a Monte Carlo program for pp -> 4f (+\gamma)…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Accomando , A. Denner , A. Kaiser

Recent LEP results on electroweak precision measurements are reviewed. Line-shape and asymmetries analysis on the Z peak is described. Then, the consistency of the Standard Model predictions with experimental data and consequent limits on…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. Mele

Contribution to A.D.Sakharov memorial volume. A detailed review of the electroweak radiative corrections to the Z-boson decays in the framework of the Minimal Standard Modelm (MSM) is presented. After a short historical introduction we…

High Energy Physics - Phenomenology · Physics 2010-12-17 M I Vysotsky , V A Novikov , L B Okun , A N Rozanov

Accurate forward modeling of weak lensing (WL) observables from cosmological parameters is necessary for upcoming galaxy surveys. Because WL probes structures in the non-linear regime, analytical forward modeling is very challenging, if not…

Cosmology and Nongalactic Astrophysics · Physics 2017-06-13 Andrea Petri , Zoltán Haiman , Morgan May

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…

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…

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

We reemphasize the importance of discriminating fermion-loop and bosonic electroweak corrections in the analysis of electroweak precision data. Most recent data are indeed precise enough to require corrections beyond (trivial) fermion…

High Energy Physics - Phenomenology · Physics 2007-05-23 Dieter Schildknecht

We calculate the complete electroweak O(alpha) corrections to pp, pbar p -> l+l- X (l=e, mu) in the Standard Model of electroweak interactions. They comprise weak and photonic virtual one-loop corrections as well as real photon radiation to…

High Energy Physics - Phenomenology · Physics 2010-04-06 U. Baur , O. Brein , W. Hollik , C. Schappacher , D. Wackeroth

The precision measurements of lepton electroweak parameters at SLD and LEP are reviewed and discussed. The updated SLD weak mixing angle measurement from $A_{LR}$ and the lepton left-right forward-backward asymmetries is…

High Energy Physics - Experiment · Physics 2007-05-23 James E. Brau

The most important hint of physics beyond the Standard Model (SM) from the 1995 precision electroweak data is that the most precisely measured quantities, the total, leptonic and hadronic decay widths of the $Z$ and the effective weak…

High Energy Physics - Phenomenology · Physics 2010-11-23 Kaoru Hagiwara

The 1999 precision electroweak data from LEP and SLC persist in showing some slight discrepancies from the assumed standard model, mostly regarding $b$ and $c$ quarks. We show how their mixing with exotic heavy quarks could result in a more…

High Energy Physics - Phenomenology · Physics 2009-10-31 Darwin Chang , We-Fu Chang , Ernest Ma

The systematic uncertainty on the W mass and width measurement resulting from the imperfect knowledge of electroweak radiative corrections is discussed. The intrinsic uncertainty in the 4-f generator used by the DELPHI Collaboration is…

High Energy Physics - Phenomenology · Physics 2009-01-07 F. Cossutti

A complete analysis of the electroweak precision observables is performed within a recently proposed minimal composite Higgs model, realized as a 5-dimensional warped compactification. In particular, we compute Z->bb and the one-loop…

High Energy Physics - Phenomenology · Physics 2011-05-05 Kaustubh Agashe , Roberto Contino

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

The first complete calculation of the next-to-leading-order electroweak corrections to four-lepton production at the LHC is presented, where all off-shell effects of intermediate Z bosons and photons are taken into account. Focusing on the…

High Energy Physics - Phenomenology · Physics 2016-04-27 B. Biedermann , A. Denner , S. Dittmaier , L. Hofer , B. Jäger

The cross section for $e^-e^- \to e^-e^-$ with arbitrary electron polarizations is calculated within the Electroweak Standard Model for energies large compared to the electron mass, including the complete virtual and soft-photonic…

High Energy Physics - Phenomenology · Physics 2008-11-26 Ansgar Denner , Stefano Pozzorini

The W-mass measurements from LEP and the results of a global fit of the Standard Model parameters to the electroweak data are presented. Comprehensive studies of experimental systematic effects allowed a measurement of the W mass with an…

High Energy Physics - Experiment · Physics 2007-05-23 S. Roth

We calculate the $\mathcal{O}(\alpha)$ weak corrections to top quark pair production at the LHC and include anomalous electroweak interactions from dimension-six operators. The loop calculation and renormalization are consistently done…

High Energy Physics - Phenomenology · Physics 2020-04-06 Till Martini , Markus Schulze