English
Related papers

Related papers: The Effective Vector Boson Approximation in High-E…

200 papers

We study the discovery prospects of the leptophilic photon Z\_l, a hypothetical gauge boson beyond the Standard Model, at future electron-positron colliders. Our analysis is based on the process e+e- -> mu+mu- and consistently includes…

High Energy Physics - Phenomenology · Physics 2025-08-27 S. O. Kara

Precision tests of the Standard Model (SM) require not only accurate experiments, but also precise and reliable theoretical predictions. Triple vector boson production provides a unique opportunity to investigate the quartic gauge couplings…

High Energy Physics - Phenomenology · Physics 2016-11-08 Shen Yong-Bai , Zhang Ren-You , Ma Wen-Gan , Li Xiao-Zhou , Zhang Yu , Guo Lei

Three studies on six-fermion production processes are presented, in which the production of an intermediate-mass Higgs boson, the top-quark physics and the analysis of possible anomalous quartic gauge couplings are considered. A Monte Carlo…

High Energy Physics - Phenomenology · Physics 2007-05-23 F. Gangemi , G. Montagna , M. Moretti , O. Nicrosini , F. Piccinini

In this work we present a new approach for the combination of electroweak (EW) corrections at high energies, the so-called EW Sudakov logarithms (EWSL), and next-to-leading-order QCD predictions matched to parton-shower simulations…

High Energy Physics - Phenomenology · Physics 2024-05-24 Davide Pagani , Timea Vitos , Marco Zaro

W-pair production in e+ e- annihilation at 500 GeV is studied using different Monte Carlo generators and the proposed detector for the Linear Collider in its TESLA version. Semileptonic W decays are used to give hints for the detector…

High Energy Physics - Phenomenology · Physics 2009-09-25 George Daskalakis , Aristoteles Kyriakis , Christos Markou , Hannelies Nowak , Imma Riu , Errietta Simopoulou , Revaz Shanidze

We consider QCD radiative corrections to the production of W and Z bosons in hadron collisions. We present a fully exclusive calculation up to next-to-next-to-leading order (NNLO) in QCD perturbation theory. To perform this NNLO…

High Energy Physics - Phenomenology · Physics 2009-09-02 S. Catani , L. Cieri , G. Ferrera , D. de Florian , M. Grazzini

We explore the sensitivity of W and Z boson production in hadronic collisions to uncertainties in parton distribution functions (PDFs) at large x arising from uncertainties in nuclear corrections when using deuterium data in global QCD…

High Energy Physics - Phenomenology · Physics 2015-05-30 L. T. Brady , A. Accardi , W. Melnitchouk , J. F. Owens

Within the framework of pQCD, we systematically study the $W^{\pm}/Z^0$ boson production as a probe of cold nuclear matter effects and nuclear parton distributions in p+Pb and Pb+Pb collisions at the LHC and future colliders. A detailed…

Nuclear Theory · Physics 2016-12-12 Peng Ru , Ben-Wei Zhang

Measurements of electroweak boson production in pp collisions at $\sqrt{s} = 7$ TeV are presented using the decays $W \rightarrow \mu\nu$, $Z \rightarrow \mu\mu$ and $Z \rightarrow \tau\tau$ recorded using the LHCb detector at the LHC. For…

High Energy Physics - Experiment · Physics 2019-08-13 Jonathan Anderson

This paper describes measurements of the transverse momentum spectra of $W$ and $Z$ bosons produced in proton-proton collisions at centre-of-mass energies of $\sqrt{s}=5.02$ TeV and $\sqrt{s}=13$ TeV with the ATLAS experiment at the Large…

High Energy Physics - Experiment · Physics 2024-11-14 ATLAS Collaboration

The leptonic and inclusive hadronic decay branching fractions of the W boson are measured using proton-proton collision data collected at $\sqrt{s} =$ 13 TeV by the CMS experiment at the CERN LHC, corresponding to an integrated luminosity…

High Energy Physics - Experiment · Physics 2022-04-29 CMS Collaboration

The precision data on Z boson decays from LEP-I and SLC colliders are compared with the predictions based on the Minimal Standard Theory. The Born approximation of the theory is based on three most accurately known observables: G_mu -- the…

High Energy Physics - Phenomenology · Physics 2010-12-02 V. A. Novikov , L. B. Okun , A. N. Rozanov , M. I. Vysotsky

The Higgs-boson production in association with a W-boson pair at $e^+e^-$ linear colliders is one of the important processes in probing the coupling between Higgs-boson and vector gauge bosons and discovering the signature of new physics.…

High Energy Physics - Phenomenology · Physics 2009-11-18 Song Mao , Ma Wen-Gan , Zhang Ren-You , Guo Lei , Wang Shao-Ming

In particle collisions at energies higher than the mass scale involved, the collinear splitting becomes the dominant phenomena. Suitable descriptions of the physics in this regime include the parton distribution functions, the initial state…

High Energy Physics - Phenomenology · Physics 2022-03-22 Tao Han , Yang Ma , Keping Xie

We apply machine-learning techniques to the effective-field-theory analysis of the $e^+e^- \to W^+W^-$ processes at future lepton colliders, and demonstrate their advantages in comparison with conventional methods, such as optimal…

High Energy Physics - Phenomenology · Physics 2024-07-02 Shengdu Chai , Jiayin Gu , Lingfeng Li

In general, attempts to extend the standard model will include extra gauge structure. We parameterize string and technicolor models for a Z' boson with primitive lepton flavor violating interactions. Calculations for its muon conversion…

High Energy Physics - Phenomenology · Physics 2007-05-23 Brandon Murakami , James D. Wells

We perform a comprehensive analysis of electroweak, QED and mixed QCD-electroweak corrections underlying the precise measurement of the W-boson mass M_W at hadron colliders. By applying a template fitting technique, we detail the impact on…

High Energy Physics - Phenomenology · Physics 2017-11-22 Carlo Michel Carloni Calame , Mauro Chiesa , Homero Martinez , Guido Montagna , Oreste Nicrosini , Fulvio Piccinini , Alessandro Vicini

In the absence of light Higgs bosons, the W and Z bosons become strongly interacting particles at energies of about 1 TeV. If the longitudinal W,Z components are generated by Goldstone modes associated with spontaneous symmetry breaking in…

High Energy Physics - Phenomenology · Physics 2011-07-19 E. Boos , H. -J. He , W. Kilian , A. Pukhov , C. -P. Yuan , P. M. Zerwas

The Compact Muon Solenoid (CMS) is fully equipped to measure leptonic decays of electroweak probes in the high multiplicity environment of nucleus-nucleus collisions. Electroweak boson production is an important benchmark process at hadron…

Nuclear Experiment · Physics 2015-06-17 Michael Gardner

A search for a heavy charged-boson resonance decaying into a charged lepton (electron or muon) and a neutrino is reported. A data sample of 139 fb$^{-1}$ of proton-proton collisions at $\sqrt{s} = 13$ TeV collected with the ATLAS detector…

High Energy Physics - Experiment · Physics 2019-10-16 ATLAS Collaboration