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Related papers: Electroweak radiative corrections and heavy top

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We calculate the electroweak and QCD corrections to W-W+ -> tt and ZZ -> tt. We also consider the interplay of these corrections with the effect of anomalous interactions that affect the massive weak bosons and the top. The results at the…

High Energy Physics - Phenomenology · Physics 2008-11-26 N. Bouayed , F. Boudjema

We present a complete calculation of the electroweak O(alpha^3 alpha_s) corrections to three-jet production and related event-shape observables at electron--positron colliders. The Z-boson resonance is described within the complex-mass…

High Energy Physics - Phenomenology · Physics 2014-11-20 Ansgar Denner , Stefan Dittmaier , Thomas Gehrmann , Christian Kurz

The status of precision electroweak data, tests of the standard model, determination of its parameters, and constraints on new physics, are surveyed.

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

The study of electron-positron collisions at LEP, together with additional measurements from other experiments, in particular those at SLC and at the Tevatron, has allowed for tests of the electroweak Standard Model with unprecedented…

High Energy Physics - Phenomenology · Physics 2009-11-10 Guido Altarelli , Martin W. Grunewald

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

The radiative corrections involved in the precise determination of the electroweak mixing angle measured at the Z-peak are reviewed in detail, with particular emphasis on the new calculation of two-loop heavy top effects. This example…

High Energy Physics - Phenomenology · Physics 2011-03-02 Paolo Gambino

We present the calculation of the mixed two-loop QCD/electroweak corrections to hadronic W boson decays within the Standard Model. The optical theorem is applied to the W boson two-point function. The multi-scale integrals are computed with…

High Energy Physics - Phenomenology · Physics 2015-12-01 Dominik Kara

Many models beyond the Standard Electroweak Theory, top-down or bottom-up, contain extensions of the gauge symmetry group by extra U(1)' factors which can be understood or treated as subgroups of E(6). A brief overview of such models is…

High Energy Physics - Phenomenology · Physics 2011-08-04 Jens Erler , Paul Langacker , Shoaib Munir , Eduardo Rojas

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 results for one-loop correction to deep inelastic scattering of longitudinal polarized leptons on longitudinal polarized hadrons are obtained withing the framework of the standard theory of electroweak interactions and ordinary…

High Energy Physics - Phenomenology · Physics 2007-05-23 I. V. Akushevich , A. N. Ilyichev , N. M. Shumeiko

We calculate the electroweak and finite width corrections to the decay of an unpolarized top quark into a bottom quark and a $ W $-gauge boson where the helicities of the $ W $ are specified as longitudinal, transverse-plus and…

High Energy Physics - Phenomenology · Physics 2011-03-23 H. S. Do , S. Groote , J. G. Körner , M. C. Mauser

Recent developments in the field of high precision calculations in the Standard Model are illustrated with particular emphasis on the evidence for radiative corrections and on the estimate of the theoretical error in perturbative…

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

We present a concise review of the status of the Standard Model and of the models of new physics.

High Energy Physics - Phenomenology · Physics 2007-05-23 Guido ALTARELLI

Strong rescattering corrections to one-loop contributions to the parameters of the standard electroweak model are considered.

High Energy Physics - Phenomenology · Physics 2009-10-22 Mary K. Gaillard

For the Run 2 of the LHC next-to-leading order electroweak corrections will play an important role. Even though they are typically moderate at the level of total cross sections they can lead to substantial deviations in the shapes of…

High Energy Physics - Phenomenology · Physics 2016-04-06 Mauro Chiesa , Nicolas Greiner , Francesco Tramontano

We report a high-precision calculation of the Standard Model electroweak radiative corrections in the $K\to \pi e^+\nu(\gamma)$ decay as a part of the combined theory effort to understand the existing anomaly in the determinations of…

High Energy Physics - Phenomenology · Physics 2021-08-11 Chien-Yeah Seng , Daniel Galviz , Mikhail Gorchtein , Ulf-G. Meißner

The high accuracy envisaged for future measurements of W-boson production at hadron colliders has to be matched by precise theoretical predictions. We study the impact of electroweak radiative corrections on W-boson production cross…

High Energy Physics - Phenomenology · Physics 2008-11-26 Silja Brensing , Stefan Dittmaier , Michael Krämer , Alexander Mück

This article presents results for the last unknown two-loop contributions to the $Z$-boson partial widths and $Z$-peak cross-section. These are the so-called bosonic electroweak two-loop corrections, where "bosonic" refers to diagrams…

High Energy Physics - Phenomenology · Physics 2018-06-27 Ievgen Dubovyk , Ayres Freitas , Janusz Gluza , Tord Riemann , Johann Usovitsch

A novel approach to study electroweak physics at one-loop level in generic ${\rm SU(2)_L \times U(1)_Y}$ theories is introduced. It separates the 1-loop corrections into two pieces: process specific ones from vertex and box contributions,…

High Energy Physics - Phenomenology · Physics 2008-11-26 K. Hagiwara , D. Haidt , C. S. Kim , S. Matsumoto

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
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