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Following recent work on the combination of electroweak and strong radiative corrections to single W-boson hadroproduction in the POWHEG BOX framework, we generalize the above treatment to cover the neutral current Drell-Yan process.…

High Energy Physics - Phenomenology · Physics 2014-11-14 Luca Barze' , Guido Montagna , Paolo Nason , Oreste Nicrosini , Fulvio Piccinini , Alessandro Vicini

The aim of this work is to describe in detail the POWHEG method, first suggested by one of the authors, for interfacing parton-shower generators with NLO QCD computations. We describe the method in its full generality, and then specify its…

High Energy Physics - Phenomenology · Physics 2009-11-13 Stefano Frixione , Paolo Nason , Carlo Oleari

We present an implementation of electroweak Z-boson production in association with two jets at hadron colliders in the POWHEG framework, a method that allows the interfacing of NLO-QCD calculations with parton-shower Monte Carlo programs.…

High Energy Physics - Phenomenology · Physics 2015-06-05 Barbara Jager , Steven Schneider , Giulia Zanderighi

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 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

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 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 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

Motivated by the requirement of a refined and flexible treatment of electroweak corrections to the neutral current Drell-Yan process, we report on recent developments on various input parameter/renormalization schemes for the calculation of…

High Energy Physics - Phenomenology · Physics 2024-06-07 Mauro Chiesa , Clara Lavinia Del Pio , Fulvio Piccinini

We present results for the QCD production of Z/{\gamma} + 2 jets matched with parton showers using the POWHEG method. Some technicalities relevant for the merging of NLO corrections for this process with parton showers are discussed, and…

High Energy Physics - Phenomenology · Physics 2015-06-04 Emanuele Re

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 an implementation of $WZjj$ production via vector-boson fusion in the POWHEG BOX, a public tool for the matching of next-to-leading order QCD calculations with multi-purpose parton-shower generators. We provide phenomenological…

High Energy Physics - Phenomenology · Physics 2019-04-12 Barbara Jager , Alexander Karlberg , Johannes Scheller

The positive weight next-to-leading-order (NLO) matching scheme (POWHEG) is applied to Drell-Yan vector boson production in the Herwig++ Monte Carlo event generator. This approach consistently combines the NLO calculation and parton shower…

High Energy Physics - Phenomenology · Physics 2008-11-26 Keith Hamilton , Peter Richardson , Jon Tully

We present a next-to-next-to-leading order accurate description of Drell-Yan lepton pair production processes through $\gamma^*/Z$ or $W$ exchange that includes consistently parton shower effects. Results are obtained by upgrading the…

High Energy Physics - Phenomenology · Physics 2015-06-22 Alexander Karlberg , Emanuele Re , Giulia Zanderighi

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

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

In this talk we discuss the next-to-leading-order electroweak (EW) corrections to W-boson + jet hadroproduction [1] and compare the full result to a simple approximation assuming factorization of EW and QCD corrections for the…

High Energy Physics - Phenomenology · Physics 2010-01-15 Ansgar Denner , Stefan Dittmaier , Tobias Kasprzik , Alexander Mück

A parton shower method for the photonic radiative correction is applied to the single W-boson production processes. The energy scale for the evolution of the parton shower is determined so that the correct soft-photon emission is…

High Energy Physics - Phenomenology · Physics 2009-01-07 Y. Kurihara , J. Fujimoto , T. Ishikawa , Y. Shimizu , K. Kato , K. Tobimatsu , T. Munehisa

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

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
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