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Related papers: Powheg-Pythia matching scheme effects in NLO simul…

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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 a Monte-Carlo program for the simulation of polarized deep inelastic scattering at next-to-leading order in QCD matched to parton shower programs building on an existing implementation of the unpolarized case in the POWHEG BOX…

High Energy Physics - Phenomenology · Physics 2024-07-24 Ignacio Borsa , Barbara Jäger

We present a calculation of the next-to-leading order QCD corrections to slepton pair production in association with a jet at the LHC together with their implementation in the POWHEG BOX. For the simulation of parton-shower effects and the…

High Energy Physics - Phenomenology · Physics 2015-06-23 Barbara Jager , Andreas von Manteuffel , Stephan Thier

We present a new Monte Carlo event generator for the production of a top-quark pair in association with a $W^\pm$ boson at hadron colliders in the POWHEG-BOX framework. We consider the next-to-leading-order QCD corrections to the $pp\to…

High Energy Physics - Phenomenology · Physics 2021-05-19 F. Febres Cordero , M. Kraus , L. Reina

Building on the new automatic subtraction of NLO amplitudes in WHIZARD, we present our implementation of the POWHEG scheme to match radiative corrections consistently with the parton shower. We apply this general framework to two linear…

High Energy Physics - Phenomenology · Physics 2015-10-13 B. Chokoufe Nejad , W. Kilian , J. Reuter , C. Weiss

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

We present an implementation of the calculation of the production of W^+W^+ plus two jets at hadron colliders, at next-to-leading order (NLO) in QCD, in the POWHEG framework, which is a method that allows the interfacing of NLO calculations…

High Energy Physics - Phenomenology · Physics 2015-05-27 Tom Melia , Paolo Nason , Raoul Rontsch , Giulia Zanderighi

We review the key features of POWHEG, a method for interfacing parton-shower Monte Carlo generators to fixed next-to-leading order QCD computations. We describe a recently introduced framework, the POWHEG-BOX, that allows the automatic…

High Energy Physics - Phenomenology · Physics 2010-12-13 Carlo Oleari

In this publication, uncertainties in and differences between the MC@NLO and POWHEG methods for matching next-to-leading order QCD calculations with parton showers are discussed. Implementations of both algorithms within the event generator…

High Energy Physics - Phenomenology · Physics 2012-09-25 Stefan Hoeche , Frank Krauss , Marek Schonherr , Frank Siegert

We present the matching of the next-to-leading order QCD calculation for W+W+jj production via vector-boson fusion in hadronic collisions to parton-shower Monte-Carlo programs according to the POWHEG method. Our implementation complements…

High Energy Physics - Phenomenology · Physics 2015-05-30 Barbara Jager , Giulia Zanderighi

We present an implementation of electroweak W+W-jj production at hadron colliders in the POWHEG framework, a method that allows the interfacing of a next-to-leading order QCD calculation with parton shower Monte Carlo programs. We provide…

High Energy Physics - Phenomenology · Physics 2015-06-12 Barbara Jager , Giulia Zanderighi

We present an implementation of the next-to-leading order dijet production process in hadronic collisions in the framework of POWHEG, which is a method to implement NLO calculations within a shower Monte Carlo context. In constructing the…

High Energy Physics - Phenomenology · Physics 2015-05-20 Simone Alioli , Keith Hamilton , Paolo Nason , Carlo Oleari , Emanuele Re

I review recent developments in POWHEG, a method for interfacing parton-shower generators with NLO QCD computations. I illustrate recent progress in understanding several features of the method, and in clarifying similarity and differences…

High Energy Physics - Phenomenology · Physics 2010-01-18 P. Nason

To explore the interplay of NLO matching and next-to-leading logarithmic (NLL) parton showers, we consider the simplest case of $\gamma^*$ and Higgs-boson decays to $q\bar q$ and $gg$ respectively. Not only should shower NLL accuracy be…

High Energy Physics - Phenomenology · Physics 2023-10-25 Keith Hamilton , Alexander Karlberg , Gavin P. Salam , Ludovic Scyboz , Rob Verheyen

We review the methods developed for combining the parton shower approximation to QCD with fixed-order perturbation theory, in such a way as to achieve next-to-leading-order (NLO) accuracy for inclusive observables. This has made it possible…

High Energy Physics - Phenomenology · Physics 2015-06-04 Paolo Nason , Bryan Webber

We present an implementation of the next-to-leading order vector boson plus one jet production process in hadronic collision in the framework of POWHEG, which is a method to implement NLO calculations within a Shower Monte Carlo context.…

High Energy Physics - Phenomenology · Physics 2011-02-01 Simone Alioli , Paolo Nason , Carlo Oleari , Emanuele Re

We present the full NLO SUSY-QCD corrections to the pair production of neutralinos and charginos at the LHC in association with a jet and their matching to parton-shower programs in the framework of the POWHEG-BOX package. The code we have…

High Energy Physics - Phenomenology · Physics 2018-07-17 Julien Baglio , Barbara Jäger , Matthias Kesenheimer

We present a next-to-leading order calculation of single-top production interfaced to Shower Monte Carlo programs, implemented according to the POWHEG method. A detailed comparison with MC@NLO and PYTHIA is carried out for several…

High Energy Physics - Phenomenology · Physics 2010-03-03 Simone Alioli , Paolo Nason , Carlo Oleari , Emanuele Re

General-purpose Monte Carlo event generators have become important tools in particle physics, allowing the simulation of exclusive hadronic final states. In this article we examine the Pythia 8 generator, in particular focusing on its…

High Energy Physics - Phenomenology · Physics 2011-03-18 Richard Corke , Torbjörn Sjöstrand

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
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