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Related papers: Electroweak accuracy in V-pair production at the L…

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We present the most recent precision electroweak measurements of single $W$ and $Z$ boson cross section and properties from the LHC and Tevatron colliders, analyzing data collected by ATLAS, CDF, CMS, D0, and LHCb detectors. The results…

High Energy Physics - Experiment · Physics 2015-06-18 Hang Yin

The precision measurement of the mass of the $W$ boson is an important goal of the Fermilab Tevatron and the CERN Large Hadron Collider (LHC). It requires accurate theoretical calculations which incorporate both higher-order QCD and…

High Energy Physics - Phenomenology · Physics 2013-05-30 C. Bernaciak , D. Wackeroth

We report on the first computation of the next-to-next-to-leading order (NNLO) QCD corrections to $W^{\pm}Z$ production in proton collisions. We consider both the inclusive production of on-shell $W^{\pm}Z$ pairs at LHC energies and the…

High Energy Physics - Phenomenology · Physics 2016-08-17 Massimiliano Grazzini , Stefan Kallweit , Dirk Rathlev , Marius Wiesemann

We compute the next-to-leading order QCD corrections to WZ+jet production at the Tevatron and the LHC, including decays of the electroweak bosons to light leptons with all off-shell effects taken into account. The corrections are sizable…

High Energy Physics - Phenomenology · Physics 2014-11-21 F. Campanario , C. Englert , S. Kallweit , M. Spannowsky , D. Zeppenfeld

Charged Higgs particles are a common feature of many extensions of the Standard Model. While its existence with masses up to the TeV scale can be probed at the Tevatron Run II and LHC hadron colliders, a precise determination of its…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jaume Guasch , Wolfgang Hollik , Arnd Kraft

We study the impact of anomalous gauge boson and fermion couplings on the production of $W^+W^-$ pairs at the LHC. Helicity amplitudes are presented separately to demonstrate the sources of new physics contributions and the impact of QCD…

High Energy Physics - Phenomenology · Physics 2017-10-18 Julien Baglio , Sally Dawson , Ian M. Lewis

In models with extended Higgs sectors, it is possible that the Higgs boson discovered at the LHC is not the lightest one. We show that in a realistic model (the Type I 2-Higgs Doublet Model), when the sum of the masses of a light scalar and…

High Energy Physics - Phenomenology · Physics 2016-12-08 Rikard Enberg , William Klemm , Stefano Moretti , Shoaib Munir

We calculate the MSSM $O(\alpha)$ corrections to the main production processes of strong top pair production at the upgraded Tevatron and at the LHC. In exploring the potential of future hadron colliders for performing electroweak precision…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Hollik , C. Kao , W. M. Moesle , D. Wackeroth

The longitudinal polarisation states of the $W$ and $Z$ bosons arise during electroweak (EW) symmetry breaking as the vector bosons absorb the Higgs boson's massless degrees of freedom. Consequently, these states are intrinsically linked to…

High Energy Physics - Phenomenology · Physics 2025-06-17 Rosa Colyer , Dominik Duda

In the context of a strongly coupled Electroweak Symmetry Breaking, composite light scalar singlet and composite triplet of heavy vectors may arise from an unspecified strong dynamics and the interactions among themselves and with the…

High Energy Physics - Phenomenology · Physics 2012-09-26 A. E. Cárcamo Hernández

We derive the high energy asymptotic of one- and two-loop corrections in the next-to-next-to-leading logarithmic approximation to the differential cross section of $W$-pair production at the LHC. For large invariant mass of the W-pair the…

High Energy Physics - Phenomenology · Physics 2015-03-17 J. H. Kuhn , F. Metzler , A. A. Penin , S. Uccirati

The $O(\alpha_{ew}m_{t(b)}^{2}/m_{W}^{2})$ and $O(\alpha_{ew} m_{t(b)}^4/m_W^4)$ supersymmetric electroweak corrections to the cross section for $W^{\pm}H^{\mp}$ associated production at the LHC are calculated in the minimal supersymmetric…

High Energy Physics - Phenomenology · Physics 2009-10-31 Ya Sheng Yang , Chong Sheng Li , Li Gang Jin , Shou Hua Zhu

The analysis of hadronic vector boson decays at LHC does not normally allow for interference with QCD production. These effects are studied here using the Sherpa package and can move by several GeV/c 2 the peak positions experiments would…

High Energy Physics - Phenomenology · Physics 2020-03-18 Cathy Ding , Ben Fuller , Eleanor Jones , Aran Martin , William Murray

We calculate the full $\mathcal{O}(\alpha_s^2\alpha)$ corrections to the process of gluino pair production at hadron colliders in the framework of the real MSSM. We show that these contributions can be neglected at the LHC performing a scan…

High Energy Physics - Phenomenology · Physics 2009-12-08 Edoardo Mirabella

In the present work we study the predictions for $WZ$ and $ZZ$ production at LHC with the Electroweak Chiral Lagrangian (EChL) approach. Our analysis will be focused on the less favored case from the experimental point of view, in which the…

High Energy Physics - Phenomenology · Physics 2016-09-01 A. Dobado , M. J. Herrero , J. R. Pelaez , E. Ruiz Morales , M. T. Urdiales

We present the full next-to-leading-order electroweak and QCD corrections to vector-boson scattering into a pair of off-shell opposite-sign W bosons decaying into leptons of different flavour at the LHC. We include full leading-order…

High Energy Physics - Phenomenology · Physics 2022-10-11 Ansgar Denner , Robert Franken , Timo Schmidt , Christopher Schwan

We present an updated study of the systematic errors in the measurements of the electroweak boson cross-sections at the LHC for various experimental cuts for a center of mass energy of 7, 10 and 14 TeV. The size of both electroweak and NNLO…

High Energy Physics - Phenomenology · Physics 2011-02-16 Nadia Adam , Valerie Halyo , Scott A. Yost

We compute the $O(\alpha_s \alpha^2)$ and $O(\alpha_s^2 \alpha)$ contributions to the production cross section of a $Z$ boson with one $b$ jet at the Large Hadron Collider (LHC), and study their phenomenological relevance for LHC physics.…

High Energy Physics - Phenomenology · Physics 2019-01-10 Diogenes Figueroa , Steven Honeywell , Seth Quackenbush , Laura Reina , Christian Reuschle , Doreen Wackeroth

In this paper we compute electroweak contributions to the production of squark pairs at hadron colliders. These include the exchange of electroweak gauge bosons in the s-channel as well as electroweak gaugino exchange in the t- and/or…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sascha Bornhauser , Manuel Drees , Herbi K. Dreiner , Jong Soo Kim

We calculate the full one-loop electroweak radiative corrections to the cross section of single W-boson inclusive hadroproduction at finite transverse momentum (p_T). This includes the O(alpha) corrections to W+j production, the O(alpha_s)…

High Energy Physics - Phenomenology · Physics 2008-11-26 W. Hollik , T. Kasprzik , B. A. Kniehl