English
Related papers

Related papers: W-pair production in modified perturbation theory

200 papers

We calculate tree-level cross-sections for $W^{+}\gamma$ and $W^{+}W^{-}$ production in proton-antiproton collisions, with one $W$ decaying to leptons, with anomalous electroweak triple-boson coupling parameters $\Delta\kappa$ and…

High Energy Physics - Phenomenology · Physics 2009-10-28 Michael Wiest , Daniel R. Stump , Douglas O. Carlson , C. --P. Yuan

A measurement of the W$^+$W$^-$ boson pair production cross section in proton-proton collisions at $\sqrt{s} =$ 13 TeV is presented. The data used in this study are collected with the CMS detector at the CERN LHC and correspond to an…

High Energy Physics - Experiment · Physics 2020-11-18 CMS Collaboration

We discuss many new subleading processes for inclusive production of W+W- pairs generally not included in the literature so far. We focus mainly on photon-photon induced processes. We include elastic-elastic, elastic-inelastic,…

High Energy Physics - Phenomenology · Physics 2014-10-28 Marta Luszczak

We discuss theoretical predictions for W-pair production and decay at LEP2 and higher energies in a form suitable for comparison with raw data. We present a practical framework for calculating uncertainties of predictions given by the…

High Energy Physics - Phenomenology · Physics 2011-09-13 T. Ishikawa , Y. Kurihara , M. Skrzypek , Z. Was

The programs WPHACT and WTO, which are designed for computing cross sections and other relevant observables in the $e^+e^-$ annihilation into four fermions, are used to make detailed and complete predictions for the semi-leptonic and fully…

High Energy Physics - Phenomenology · Physics 2009-10-28 Elena Accomando , Alessandro Ballestrero , Giampiero Passarino

$Z$ production at an $e^+e^-$ collider, associated with production of other particles, can be an accurate source of information of details of electroweak interactions, including possible interactions beyond the standard model. We discuss…

High Energy Physics - Phenomenology · Physics 2023-11-23 Kumar Rao , Saurabh D. Rindani , Priyanka Sarmah , Balbeer Singh

This analysis presents an observation of the photon-fusion production of W boson pairs using the CMS detector at the LHC. The total cross section of the W$^+$W$^-$ production in photon fusion is measured using proton-proton collision data…

High Energy Physics - Experiment · Physics 2026-01-30 CMS Collaboration

Providing accurate theoretical predictions in the Standard Model for processes with polarised electroweak bosons is crucial to understand more in-depth the electroweak-symmetry breaking mechanism and to enhance the sensitivity to potential…

The production of $W$ boson pairs in proton-proton collisions at $\sqrt{s}=$ 8 TeV is studied using data corresponding to 20.3 fb$^{-1}$ of integrated luminosity collected by the ATLAS detector during 2012 at the CERN Large Hadron Collider.…

High Energy Physics - Experiment · Physics 2016-12-15 ATLAS Collaboration

In this talk I attempt to survey some selected physics issues on radiative interference phenomena in the production of heavy unstable particles. A special emphasis is placed on the reactions $e^+e^- \rightarrow W^+W^- \rightarrow 4$ jets…

High Energy Physics - Phenomenology · Physics 2011-03-02 Valery A. Khoze

We present a new calculation of $W^+ W^-$ production in the semi-exclusive channel, that is either with intact outgoing protons or rapidity gaps present in the final state, and with no colour flow between the colliding protons. This study…

High Energy Physics - Phenomenology · Physics 2022-06-01 S. Bailey , L. A. Harland-Lang

The Lund string fragmentation model is applied in a non-perturbative calculation of the invariant production cross section of pions from proton-proton collisions in the soft pT region. Invariant production cross sections of pions and kaons…

High Energy Physics - Phenomenology · Physics 2007-05-23 Alfred Tang , John W. Norbury

As shown recently, one can obtain additional information from the measured charged particle multiplicity distributions, $P(N)$, by investigating the so-called modified combinants, $C_j$, extracted from them. This information is encoded in…

High Energy Physics - Phenomenology · Physics 2020-04-24 H. W. Ang , A. H. Chan , M. Ghaffar , M. Rybczyński , G. Wilk , Z. Włodarczyk

The heavy ion cross section for continuum e+ e- pair production has been calculated to all orders in Z alpha. Comparison is made with available CERN SPS and RHIC STAR data. Computed cross sections are found to be reduced from perturbation…

Nuclear Theory · Physics 2009-11-11 Anthony J. Baltz

The production cross sections of the inclusive Drell-Yan processes W to l nu and Z/gamma to ll (l=e,mu) are measured in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector. The cross sections are reported integrated over a…

High Energy Physics - Experiment · Physics 2012-08-27 ATLAS Collaboration

Searches for the kinematic selection criteria for estimation of multiple parton interaction fraction in 14 TeV pp collisions are presented using the eikonalization of the cross section implemented in the Herwig++ Monte Carlo event…

High Energy Physics - Phenomenology · Physics 2012-06-21 Miroslav Myska

These final results on e+e- -> W+W- production cross-section measurements at LEP2 use data collected by the DELPHI detector at centre-of-mass energies up to 209 GeV. Measurements of total cross-sections, W angular differential distributions…

High Energy Physics - Experiment · Physics 2008-11-26 The DELPHI Collaboration , J. Abdallah

We report on the first fully differential calculation for $W^\pm Z$ production in hadron collisions up to next-to-next-to-leading order (NNLO) in QCD perturbation theory. Leptonic decays of the $W$ and $Z$ bosons are consistently taken into…

High Energy Physics - Phenomenology · Physics 2017-09-13 Massimiliano Grazzini , Stefan Kallweit , Dirk Rathlev , Marius Wiesemann

Near-threshold production of boson pairs is considered within the framework of the model of unstable particles with smeared mass. We describe the principal aspects of the model and consider the strategy of calculations including the…

High Energy Physics - Phenomenology · Physics 2014-11-20 V. I. Kuksa , R. S. Pasechnik

We study the process $e^+e^- \rightarrow W^+W^- \gamma$ at high-energy $e^+ e^-$ colliders to investigate the effect of genuine quartic $W^+W^-\gamma\gamma$ and $W^+W^- Z\gamma$ anomalous couplings on the cross section. Deviations from the…

High Energy Physics - Phenomenology · Physics 2009-10-28 Ghadir Abu Leil , W. J. Stirling