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Related papers: Electroweak physics at LHCb

200 papers

We discuss the expected sensitivity to Z' boson effects in the W^\pm boson pair production process at the Large Hadron Collider (LHC). The results of a model-dependent analysis of Z' boson effects are presented as constraints on the Z-Z'…

High Energy Physics - Phenomenology · Physics 2014-10-13 V. V. Andreev , P. Osland , A. A. Pankov

Measurements of the electroweak production of a $W$ boson in association with two jets at high dijet invariant mass are performed using $\sqrt{s} = 7$ and $8$ TeV proton-proton collision data produced by the Large Hadron Collider,…

High Energy Physics - Experiment · Physics 2017-08-29 ATLAS Collaboration

We point out that gauge bosons emissions should be carefully estimated when considering LHC observables, since real $Ws$ and $Zs$ contributions can dramatically change cross sections with respect to tree level values. Here we consider…

High Energy Physics - Phenomenology · Physics 2016-09-06 Paolo Ciafaloni , Denis Comelli

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

This is an overview of the electroweak physics achieved at LEP. After a brief review of the standard model and the calculation of the radiative corrections both in the MS and on-shell schemes, we introduce the Z decay parameters around the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Kyungsik Kang

Based upon our recent study, we reveal the profound physical content of the longitudinal-Goldstone boson equivalence theorem as being able to discriminate physical processes which are sensitive/insensitive to probing the electroweak…

High Energy Physics - Phenomenology · Physics 2009-10-30 H. -J. He , Y. -P. Kuang , C. -P. Yuan

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

Recent results from the CMS experiment on the production of multiple vector bosons in proton-proton collisions at the CERN LHC are presented. Measurements of WZ and ZZ production with fully leptonic decays, Z$(\nu\nu)\gamma$, and WV (V $=$…

High Energy Physics - Experiment · Physics 2017-10-17 Kenneth Long

LHCb provides unique opportunities to study $W$ and $Z$ boson production at forward rapidities at the LHC. It has recently been suggested that a measurement of the $W$ boson mass by LHCb would complement measurements by ATLAS and CMS. All…

High Energy Physics - Phenomenology · Physics 2019-07-04 Martina Pili

Flavour changing neutral currents are only allowed via loop diagrams in the Standard Model (SM). Electroweak penguin processes are therefore sensitive probes for new physics, as physics beyond the Standard Model can enter via virtual…

High Energy Physics - Experiment · Physics 2013-01-01 Michel De Cian

The $Wtb$ vertex structure and the search for new anomalous couplings is studied using top quark measurements obtained at the LHC, for a centre-of-mass energy of 8 TeV. By combining the latest and most precise results on the single top…

High Energy Physics - Phenomenology · Physics 2014-12-17 César Bernardo , N. F. Castro , Miguel C. N. Fiolhais , Hugo Gonçalves , André G. C. Guerra , Miguel Oliveira , A. Onofre

Vector boson measurements at the LHC are an ideal laboratory to study detailed properties of the QCD and electroweak sectors of the Standard Model. These proceedings review several recent measurements of W and Z bosons by the ATLAS and CMS…

High Energy Physics - Experiment · Physics 2023-06-05 Oz Amram

Recent developments in the measurement of precision electroweak measurements are summarised, notably new results on the mass of the top quark and mass and width of the W boson. Predictions of the Standard Model are compared to the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Martin W. Grunewald

New preliminary electroweak results from the HERA lepton-proton collider experiments H1 and ZEUS are presented. These include new high Q^2 neutral current cross section measurements and limits on a possible quark radius, in the search for…

High Energy Physics - Experiment · Physics 2008-06-02 Ytsen de Boer

We present results of the first calculation of next-to-leading-order electroweak corrections to W-boson pair production at the LHC that fully takes into account leptonic W-boson decays and off-shell effects. Employing realistic event…

High Energy Physics - Phenomenology · Physics 2016-06-29 Benedikt Biedermann , Marina Billoni , Ansgar Denner , Stefan Dittmaier , Lars Hofer , Barbara Jager , Lukas Salfelder

Boson-boson scattering and Higgs production in boson-boson fusion hold the key to electroweak symmetry breaking. In order to analyze these essential features of the Standard Model we have performed a partonic level study of all processes…

High Energy Physics - Phenomenology · Physics 2009-11-11 E. Accomando , A. Ballestrero , S. Bolognesi , E. Maina , C. Mariotti

The production cross sections of W$^\pm$W$^{\pm}$ and WZ boson pairs in association with two jets in proton-proton collisions are measured at $\sqrt{s}$ = 13.6 TeV. The data sample corresponds to an integrated luminosity of 171 fb$^{-1}$,…

High Energy Physics - Experiment · Physics 2026-05-18 CMS Collaboration

The production of a single top quark at LHC may occur through charged-current electroweak interactions, i.e. via three different processes: the s-channel exchange of a virtual W boson, the t-channel exchange of a virtual W boson and the…

High Energy Physics - Experiment · Physics 2019-08-14 Aniello Spiezia

We investigate the production of the weak bosons $W^+$, $W^-$ and $Z$ at the LHC as a function of their rapidity, reconstructed {\it experimentally} from their leptonic decay. We show that the measurements provide a powerful tool for…

High Energy Physics - Phenomenology · Physics 2013-11-13 Francis Halzen , Yu Seon Jeong , C. S. Kim

The mechanism of electroweak symmetry breaking (EWSB) will be directly scrutinized soon at the CERN Large Hadron Collider (LHC). We analyze the LHC potential to look for new vector bosons associated with the EWSB sector. We present a…

High Energy Physics - Phenomenology · Physics 2009-11-05 A. Alves , O. J. P. Eboli , D. Goncalves , M. C. Gonzalez-Garcia , J. K. Mizukoshi