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Related papers: W^+W^+ plus dijet production in the POWHEGBOX

200 papers

This note documents the use of the POWHEG-hvq package, a generator for heavy flavour hadroproduction at next-to-leading order in QCD, that can be easily interfaced to shower Monte Carlo programs, in such a way that NLO and shower accuracy…

High Energy Physics - Phenomenology · Physics 2007-07-23 Stefano Frixione , Paolo Nason , Giovanni Ridolfi

We present theoretical predictions for the hadroproduction of t tbar W+, t tbar W- and t tbar Z at LHC as obtained by matching numerical computations at NLO accuracy in QCD with Shower Monte Carlo programs. The calculation is performed by…

High Energy Physics - Phenomenology · Physics 2012-12-03 M. V. Garzelli , A. Kardos , C. G. Papadopoulos , Z. Trócsányi

We present a new Monte Carlo event generator for the hadronic production of four top quarks in the POWHEG BOX framework. Besides the dominant next-to-leading order QCD corrections at $\mathcal{O}(\alpha_s^5)$ we also include all subleading…

High Energy Physics - Phenomenology · Physics 2022-07-06 Tomáš Ježo , Manfred Kraus

We present a next-to-leading order accurate simulation of t-channel single-top plus jet production matched to parton showers via the POWHEG method. The calculation underlying the simulation is enhanced with a process-specific implementation…

High Energy Physics - Phenomenology · Physics 2018-10-17 Stefano Carrazza , Rikkert Frederix , Keith Hamilton , Giulia Zanderighi

Next-to-leading order (NLO) QCD predictions for the production of heavy quarks in proton-proton collisions are presented within three different approaches to quark mass, resummation and fragmentation effects. In particular, new NLO and…

High Energy Physics - Phenomenology · Physics 2015-06-19 M. Klasen , C. Klein-Bösing , K. Kovarik , G. Kramer , M. Topp , J. Wessels

In this short review we discuss two implementations of the charged Higgs boson production process in association with a top quark in Monte Carlo event generators at next-to-leading order in QCD. We introduce the MC@NLO and the POWHEG method…

High Energy Physics - Phenomenology · Physics 2014-12-19 K. Kovarik

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 new Monte-Carlo generator for the simulation of di-jet production in polarized proton-proton collisions at the next-to-leading order in QCD matched to parton showers using the framework of the POWHEG BOX. With this program we…

High Energy Physics - Phenomenology · Physics 2026-02-06 Ignacio Borsa , David Betz , Barbara Jäger

We present an implementation for slepton pair production at hadron colliders in the POWHEG BOX, a framework for combining next-to-leading order QCD calculations with parton-shower Monte-Carlo programs. Our code provides a SUSY Les Houches…

High Energy Physics - Phenomenology · Physics 2015-06-11 Barbara Jager , Andreas von Manteuffel , Stephan Thier

Photoproduction processes have gained a renewed interest following the approval of the EIC, making their implementation in Monte Carlo event generators highly desirable. We present recent efforts to develop a POWHEG BOX extension simulating…

High Energy Physics - Phenomenology · Physics 2025-09-24 Alexander Feike , Tomáš Ježo , Michael Klasen

We report on a method for matching the next-to-leading order calculation of QCD jet production in e+e- annihilation with a Monte Carlo parton shower event generator (MC) to produce realistic final states. The final result is accurate to…

High Energy Physics - Phenomenology · Physics 2008-11-26 Michael Krämer , Stephen Mrenna , Davison E. Soper

We present two precision tools for the simulation of Higgs-pair production via vector-boson fusion in the kappa framework for the parameterization of non-standard Higgs couplings. A new implementation of the process is developed in the…

High Energy Physics - Phenomenology · Physics 2025-06-13 Barbara Jäger , Alexander Karlberg , Simon Reinhardt

With the advent and recent extension of the BLHA standard to interface Monte Carlo event generators and one-loop matrix element providers, the Herwig++ event generator has expanded its range of applicability to a multitude of underlying…

We consider the POWHEG generator for a H/W/Z boson plus one jet, augmented with the recently proposed MiNLO method for the choice of scales and the inclusion of Sudakov form factors. Within this framework, the generator covers all the…

High Energy Physics - Phenomenology · Physics 2015-06-12 Keith Hamilton , Paolo Nason , Carlo Oleari , Giulia Zanderighi

We present the implementation of a next-to-leading-order plus parton-shower event generator for the hadronic production of a heavy charm quark accompanied by a leptonically-decaying $W$ boson in the POWHEG BOX RES framework. We consider…

High Energy Physics - Phenomenology · Physics 2023-08-16 Silvia Ferrario Ravasio , Carlo Oleari

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

In this publication, an algorithm is presented that combines the ME+PS approach to merge sequences of tree-level matrix elements into inclusive event samples with the POWHEG method, which combines exact next-to-leading order matrix element…

High Energy Physics - Phenomenology · Physics 2011-08-31 Stefan Hoeche , Frank Krauss , Marek Schonherr , Frank Siegert

We calculate next-to-leading order (NLO) QCD corrections to electroweak Higgs plus three jet production. Both vector boson fusion (VBF) and Higgs-strahlung type contributions are included along with all interferences. The calculation is…

High Energy Physics - Phenomenology · Physics 2013-11-27 F. Campanario , T. M. Figy , S. Plätzer , M. Sjödahl

We present a calculation of the next-to-leading order (NLO) QCD corrections to gluon-induced electroweak gauge boson pair production, $gg \to ZZ$ and $gg \to W^+W^-$, matched to the PYTHIA8 parton shower in the POWHEG approach. The…

High Energy Physics - Phenomenology · Physics 2021-08-18 Simone Alioli , Silvia Ferrario Ravasio , Jonas M. Lindert , Raoul Röntsch

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