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Related papers: Electroweak measurements at the LHC

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A measurement of the effective leptonic weak mixing angle $\sin^2\theta_\mathrm{eff}^\ell$ is presented using the forward-backward asymmetry in Drell-Yan dilepton events produced in pp collisions at $\sqrt{s}=13$ TeV. The data sample…

High Energy Physics - Experiment · Physics 2024-05-21 Aleko Khukhunaishvili

The Standard Model extensions with vector-like states which have either zero hypercharge or zero weak isospin are rather poorly constrained by the electroweak precision measurements. Such new states would however modify the running of the…

High Energy Physics - Phenomenology · Physics 2017-05-23 Christian Gross , Oleg Lebedev , Jose Miguel No

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

The production of two weak bosons at the Large Hadron Collider will be one of the most important sources of SM backgrounds for final states with multiple leptons. In this paper we consider several quantities that can help normalize the…

High Energy Physics - Phenomenology · Physics 2009-11-06 J. M. Campbell , E. Castaneda-Miranda , Y. Fang , N. Kauer , B. Mellado , Sau Lan Wu

This talk summarizes the first calculation of the next-to-leading-order electroweak corrections to W-boson + jet hadroproduction including leptonic W-boson decays [1]. The W-boson resonance is treated consistently using the complex-mass…

High Energy Physics - Phenomenology · Physics 2014-11-20 Ansgar Denner , Stefan Dittmaier , Tobias Kasprzik , Alexander Mück

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

The ATLAS experiment has observed 1995 $Z$ boson candidates in 0.15 nb$^{-1}$ of integrated luminosity obtained in the 2011 LHC Pb+Pb run at $\sqrt{s_{NN}}$ 2.76 TeV. The $Z$ bosons are reconstructed via di-electron and di-muon decay…

Nuclear Experiment · Physics 2019-08-21 Zvi Citron

We consider neutral- and charged-current Drell Yan lepton-pair production at hadron colliders, and include dominant classes of electroweak and mixed QCD-electroweak corrections to all orders in perturbation theory. The accurate description…

High Energy Physics - Phenomenology · Physics 2024-04-24 Luca Buonocore , Luca Rottoli , Paolo Torrielli

The LHC is also a high-energy photon collider. The ATLAS and CMS experiments are exploring a wide diphoton energy range with various approaches in heavy-ion and proton collisions to precisely measure quantum electrodynamics processes and…

High Energy Physics - Phenomenology · Physics 2024-05-13 Cecile Caillol

The measurement of differential cross section of a Z boson produced in association with jets is presented. The cross section is presented with respect to various jet kinematic variables where the Z bosons are reconstructed from opposite…

High Energy Physics - Experiment · Physics 2019-08-13 B. Bilin

We present a detailed study of the production of a high transverse-momentum lepton pair at hadron colliders, which includes the exact O(alpha) electroweak corrections properly matched with leading logarithmic effects due to multiple photon…

High Energy Physics - Phenomenology · Physics 2009-04-17 C. M. Carloni Calame , G. Montagna , O. Nicrosini , A. Vicini

We present results for the low mass Drell-Yan (DY) production in proton-proton collisions at the LHC in the color dipole formalism. The DY differential cross sections at 7 TeV as a function of dilepton rapidity, transverse momentum and…

High Energy Physics - Phenomenology · Physics 2014-06-19 M. B. Gay Ducati , M. T. Griep , M. V. T. Machado

A correct modelling of the underlying event in proton-proton collisions is important for the proper simulation of kinematic distributions of high-energy collisions. The ATLAS collaboration extended previous studies at 7 TeV with a leading…

High Energy Physics - Experiment · Physics 2016-08-18 Yuri Kulchitsky

We present an improved measurement of the left-right cross section asymmetry Alr for Z boson production by e+e- collisions. The measurement was performed at a center-of-mass energy of 91.28 GeV with the SLD detector at the SLAC Linear…

High Energy Physics - Experiment · Physics 2007-05-23 Eric Torrence , The SLD Collaboration

Next-to-leading order electroweak and QCD radiative corrections to the Drell-Yan process with high dimuon masses for experiments CMS LHC at CERN have been studied in fully differential form. The FORTRAN code READY for numerical analysis of…

High Energy Physics - Phenomenology · Physics 2015-06-17 Vladimir Zykunov

A concise review about the status of the calculation of radiative corrections to the Drell-Yan processes is presented. The effect of matching together exact electroweak O(alpha) corrections with higher-order QED effects due to multiple…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. M. Carloni Calame , G. Montagna , O. Nicrosini , A. Vicini

The interaction among vector bosons is crucial to understanding electroweak symmetry breaking. At the LHC one technique is to use "tag" jets to identify vector boson fusion processes leading to two vector bosons and two "tag" jets in the…

High Energy Physics - Experiment · Physics 2007-05-23 D. Green

We apply the leading and sub-leading electroweak (EW) corrections to the Drell-Yan process of the neutralino pair production at proton-proton collision, in order to calculate the effects of the these corrections on the neutralino pair…

High Energy Physics - Phenomenology · Physics 2013-07-16 A. I. Ahmadov , M. Demirci

Measurements of the differential cross sections of Z + jets and $\gamma$ + jets production, and their ratio, are presented as a function of the boson transverse momentum. Measurements are also presented of the angular distribution between…

High Energy Physics - Experiment · Physics 2021-06-08 CMS Collaboration

This paper presents a measurement of fiducial and differential cross-sections for $W^{+}W^{-}$ production in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS experiment at the Large Hadron Collider using a dataset corresponding…

High Energy Physics - Experiment · Physics 2023-11-16 ATLAS Collaboration