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Related papers: Electroweak Corrections at High Energies

200 papers

We report on our recent work on electroweak corrections to $t\bar{t}$ production at hadron colliders. Specifically, we discuss the weak-interaction contributions to the top quark transverse momentum and $t \bar{t}$ invariant mass…

High Energy Physics - Phenomenology · Physics 2010-11-11 Werner Bernreuther , Michael Fucker , Zong-Guo Si

A measurement is presented for the electroweak production of a W boson, a photon ($\gamma$), and two jets (j) in proton-proton collisions. The leptonic decay of the W boson is selected by requiring one identified electron or muon and large…

High Energy Physics - Experiment · Physics 2023-08-29 CMS Collaboration

Four-fermion processes with a particle lost in the beam pipe are studied at LEP to perform precision tests of the electroweak theory. Leading higher-order QED corrections to such processes are analyzed within the framework of the Structure…

High Energy Physics - Phenomenology · Physics 2009-01-07 G. Montagna , M. Moretti , O. Nicrosini , A. Pallavicini , F. Piccinini

We compute the electroweak ${\cal O}(\alpha^3\alpha_s)$ corrections to three-jet production and related event-shape observables at electron-positron colliders. We properly account for the experimental photon isolation criteria and for the…

High Energy Physics - Phenomenology · Physics 2009-09-28 Ansgar Denner , Stefan Dittmaier , Thomas Gehrmann , Christian Kurz

The electroweak corrections at one-loop level to the process $H\rightarrow t{\bar t}$ are calculated, especially the fresh top mass value announced recently by CDF is concerned. For $M_H < 1. TeV$ where a perturbative calculation is valid,…

High Energy Physics - Phenomenology · Physics 2015-06-25 Xiao-Xi Chen , Wen-Gan Ma , Yao-Yang Liu , La-Zhen Sun , Chao-Hsi Chang

Recently, a measurement of the vector-boson scattering process with same-sign W bosons has been reported by the CMS collaboration. Hence it is of prime importance to have precise predictions with next-to-leading order (NLO) accuracy. In…

High Energy Physics - Phenomenology · Physics 2017-08-03 Benedikt Biedermann , Ansgar Denner , Mathieu Pellen

We present the full ${\cal O}(\alpha_{{ew}})$ electroweak radiative corrections to the Higgs-boson production in association with $Z^0$-boson pair at an electron-positron linear collider(LC) in the standard model. We analyze the dependence…

High Energy Physics - Phenomenology · Physics 2009-11-11 Zhou Ya-Jin , Ma Wen-Gan , Zhang Ren-You , Jiang Yi , Han Liang

Recent analyses of top quark production in association with vector bosons are summarized, representing the most precise inclusive and differential cross section measurements of these processes to date. Proton-proton collision data at a…

High Energy Physics - Experiment · Physics 2022-02-15 David Walter

The first measurements of diboson production cross sections in proton-proton interactions at a center-of-mass energy of 5.02 TeV are reported. They are based on data collected with the CMS detector at the LHC, corresponding to an integrated…

High Energy Physics - Experiment · Physics 2021-11-05 CMS Collaboration

Measurements at $\sqrt{s}$ = 13.6 TeV of the opposite-sign W boson pair production cross section in proton-proton collisions are presented. The data used in this study were collected with the CMS detector at the CERN LHC in 2022, and…

High Energy Physics - Experiment · Physics 2025-01-10 CMS Collaboration

Triboson processes allow for a measurement of the triple and quartic couplings of the Standard Model gauge bosons, which can be used to constrain anomalous gauge couplings. In this paper we calculate the next-to-leading order electroweak…

High Energy Physics - Phenomenology · Physics 2018-08-15 Marek Schönherr

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

We present the next-to-leading order (NLO) electroweak (EW) corrections to the top quark pair production associated with a hard photon at the current and future hadron colliders. The dependence of the leading order (LO) and NLO EW corrected…

High Energy Physics - Phenomenology · Physics 2017-01-17 Peng-Fei Duan , Yu Zhang , Yong Wang , Mao Song , Gang Li

In these proceedings, we summarise our recent calculations of next-to-leading order electroweak corrections to Higgs boson pair and Higgs boson plus jet production. The calculations are divided into different regions. In the high-energy…

High Energy Physics - Phenomenology · Physics 2023-10-24 Hantian Zhang

Measurements of neutral current Drell-Yan production at large invariant dilepton masses can be used to test the energy scale dependence (running) of the electroweak mixing angle. In this work, we make use of a novel implementation of the…

High Energy Physics - Phenomenology · Physics 2024-03-12 Simone Amoroso , Mauro Chiesa , Clara Lavinia Del Pio , Katerina Lipka , Fulvio Piccinini , Federico Vazzoler , Alessandro Vicini

This report summarises studies of associated production of electroweak gauge bosons and jets in proton-proton collisions at LHC with center of mass energy of 8 and 13 TeV. It is based on a selection of results published by the ATLAS…

High Energy Physics - Experiment · Physics 2017-10-25 S. Spagnolo

We present the electroweak one-loop corrections to the processes e+e- -> f bar-f, f = tau, c, b, t, at energies relevant for a future linear collider. The results of two independent calculations are compared and agreement is found at a…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Hahn , W. Hollik , A. Lorca , T. Riemann , A. Werthenbach

We formulate the equivalence theorem as a theoretical criterion for sensitively probing the electroweak symmetry breaking mechanism, and develop a precise power counting method for the chiral Lagrangian formulated electroweak theories.…

High Energy Physics - Phenomenology · Physics 2009-10-28 H. -J. He , Y. -P. Kuang , C. -P. Yuan

From a distance, the proton's weak charge is seen through the distorting effects of clouds of virtual particles. The effective weak charge can be calculated by starting with the measured weak coupling at the Z-pole and "running" the…

High Energy Physics - Phenomenology · Physics 2019-08-14 W. D. Ramsay

In this review, we summarize tests of standard electroweak (EW) theory at the highest available energies as a precursor to the Large Hadron Collider (LHC) era. Our primary focus is on the published results (as of March 2010) from proton-…

High Energy Physics - Experiment · Physics 2015-03-13 John D. Hobbs , Mark S. Neubauer , Scott Willenbrock