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Related papers: W b bbar production in POWHEG

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The positive weight next-to-leading-order matching formalism (POWHEG) is applied to Deep Inelastic Scattering (DIS) and the related Higgs boson production via vector-boson fusion process in the Herwig++ Monte Carlo event generator. This…

High Energy Physics - Phenomenology · Physics 2015-05-28 Luca D'Errico , Peter Richardson

We present a next-to-leading order QCD calculation for the electroweak production of a pair of same-sign weak gauge bosons in association with three jets in the region dominated by vector boson scattering, and its matching with…

High Energy Physics - Phenomenology · Physics 2025-01-29 Barbara Jäger , Santiago Lopez Portillo Chavez

We present a fully consistent implementation of electroweak and strong radiative corrections to single W hadroproduction in the POWHEG BOX framework, treating soft and collinear photon emissions on the same ground as coloured parton…

High Energy Physics - Phenomenology · Physics 2014-11-14 L. Barze' , G. Montagna , P. Nason , O. Nicrosini , F. Piccinini

We present a method, based on the positive weight next-to-leading-order matching formalism (POWHEG), to simulate photon production processes at next-to-leading-order (NLO). This technique is applied to the simulation of diphoton production…

High Energy Physics - Phenomenology · Physics 2015-05-28 Luca D'Errico , Peter Richardson

The PowHel framework allows to make predictions of total and differential cross-sections of multiparticle hadroproduction processes at both NLO QCD accuracy and NLO QCD matched to Parton Shower, on the basis of the interface between the…

High Energy Physics - Phenomenology · Physics 2013-08-13 M. V. Garzelli , A. Kardos , C. G. Papadopoulos , Z. Trocsanyi

The hadroproduction of a $W$ boson in association with a charm quark at the Large Hadron Collider is at the centre of current investigations due to its potential to probe the strangeness content of the proton. In this paper we present an…

High Energy Physics - Phenomenology · Physics 2022-04-27 G. Bevilacqua , M. V. Garzelli , A. Kardos , L. Toth

We present the implementation of electroweak Zjj and Wjj production via vector boson fusion with fully leptonic decays at NLO QCD in the POWHEG framework. These processes represent an important background to Higgs searches in vector boson…

High Energy Physics - Phenomenology · Physics 2013-04-12 Franziska Schissler , Dieter Zeppenfeld

In this article we describe simulations of Higgs boson production via the gluon fusion and Higgs-strahlung processes, using the positive weight next-to-leading-order (NLO) matching scheme, POWHEG, in the Herwig++ 2.3 event generator. This…

High Energy Physics - Phenomenology · Physics 2009-05-20 Keith Hamilton , Peter Richardson , Jon Tully

We present a next-to-leading order calculation of heavy flavour production in hadronic collisions that can be interfaced to shower Monte Carlo programs. The calculation is performed in the context of the POWHEG method. It is suitable for…

High Energy Physics - Phenomenology · Physics 2011-01-13 Stefano Frixione , Paolo Nason , Giovanni Ridolfi

Recent progress in calculating lepton density functions inside the proton and simulating lepton showers laid the foundations for precision studies of resonant leptoquark production at hadron colliders. Direct quark-lepton fusion into a…

High Energy Physics - Phenomenology · Physics 2022-12-14 Luca Buonocore , Admir Greljo , Peter Krack , Paolo Nason , Nudzeim Selimovic , Francesco Tramontano , Giulia Zanderighi

In this work we present the implementation of generators for W and Z bosons in association with two jets interfaced to parton showers using the POWHEG BOX. We incorporate matrix elements from the parton-level Monte Carlo program MCFM in the…

High Energy Physics - Phenomenology · Physics 2015-06-15 John M. Campbell , R. Keith Ellis , Paolo Nason , Giulia Zanderighi

We present a calculation of the next-to-leading order QCD corrections to weakino+squark production processes at hadron colliders and their implementation in the framework of the POWHEG-BOX, a tool for the matching of fixed-order…

High Energy Physics - Phenomenology · Physics 2021-12-17 Julien Baglio , Gabriele Coniglio , Barbara Jager , Michael Spira

We report on the calculation of the next-to-leading order QCD corrections to the production of W-boson pairs in association with a hard jet at the Tevatron and the LHC, which is an important source of background for Higgs and new-physics…

High Energy Physics - Phenomenology · Physics 2010-01-15 Stefan Dittmaier , Stefan Kallweit , Peter Uwer

We report on the calculation of the next-to-leading order QCD corrections to the production of W-boson pairs in association with a hard jet at the Tevatron and the LHC, which is an important source of background for Higgs and new-physics…

High Energy Physics - Phenomenology · Physics 2009-11-18 S. Dittmaier , S. Kallweit , P. Uwer

We present a new Monte Carlo code for Higgs boson pair production at next-to-leading order in the POWHEG-BOX Monte Carlo approach. The code is based on analytic results for the two loop virtual corrections which include the full top quark…

High Energy Physics - Phenomenology · Physics 2023-09-20 Emanuele Bagnaschi , Giuseppe Degrassi , Ramona Gröber

We present a generator for the production of a Higgs boson H in association with a vector boson V=W or Z (including subsequent V decay) plus zero and one jet, that can be used in conjunction with general-purpose shower Monte Carlo…

High Energy Physics - Phenomenology · Physics 2015-06-16 Gionata Luisoni , Paolo Nason , Carlo Oleari , Francesco Tramontano

In this article we generalise POWHEG next-to-leading order parton shower (NLOPS) simulations of vector boson production and vector boson production in association with a single jet, to give matrix element corrected MENLOPS simulations. In…

High Energy Physics - Phenomenology · Physics 2015-05-30 Simone Alioli , Keith Hamilton , Emanuele Re

In this work we illustrate the POWHEG BOX, a general computer code framework for implementing NLO calculations in shower Monte Carlo programs according to the POWHEG method. Aim of this work is to provide an illustration of the needed…

High Energy Physics - Phenomenology · Physics 2014-11-20 Simone Alioli , Paolo Nason , Carlo Oleari , Emanuele Re

We present the matching of NLO QCD and NLO EW corrections to parton showers for vector-boson pair production at the LHC. We consider leptonic final states, including resonant and non-resonant diagrams, spin correlations and off-shell…

High Energy Physics - Phenomenology · Physics 2020-09-24 Mauro Chiesa , Carlo Oleari , Emanuele Re

We present results for Higgs boson pair production with variations of the trilinear Higgs boson self-coupling at next-to-leading order (NLO) in QCD including the full top quark mass dependence. Differential results at 14 TeV are presented,…

High Energy Physics - Phenomenology · Physics 2019-06-25 G. Heinrich , S. P. Jones , M. Kerner , G. Luisoni , L. Scyboz